WIP: use HdlOption[the_type_var] or UInt[123 + n] for creating types
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This commit is contained in:
Jacob Lifshay 2024-08-07 03:16:29 -07:00
parent cd99dbc849
commit 73b3c79e27
Signed by: programmerjake
SSH key fingerprint: SHA256:B1iRVvUJkvd7upMIiMqn6OyxvD2SgJkAH3ZnUOj6z+c
38 changed files with 11889 additions and 11843 deletions

View file

@ -7,13 +7,14 @@ jobs:
- uses: https://code.forgejo.org/actions/checkout@v3
with:
fetch-depth: 0
- run: |
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.79.0
source "$HOME/.cargo/env"
echo "$PATH" >> "$GITHUB_PATH"
- uses: https://github.com/Swatinem/rust-cache@v2
with:
save-if: ${{ github.ref == 'refs/heads/master' }}
- run: cargo test
- run: cargo test --features=unstable-doc
- run: cargo doc --features=unstable-doc
# FIXME: uncomment once the code works again
# - run: |
# curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.79.0
# source "$HOME/.cargo/env"
# echo "$PATH" >> "$GITHUB_PATH"
# - uses: https://github.com/Swatinem/rust-cache@v2
# with:
# save-if: ${{ github.ref == 'refs/heads/master' }}
# - run: cargo test
# - run: cargo test --features=unstable-doc
# - run: cargo doc --features=unstable-doc

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@ -0,0 +1,843 @@
use crate::{
hdl_type_common::{
common_derives, get_target, ItemOptions, MakeHdlTypeExpr, MaybeParsed, ParsedField,
ParsedFieldsNamed, ParsedGenerics, SplitForImpl, TypesParser, WrappedInConst,
},
kw, Errors, HdlAttr, PairsIterExt,
};
use proc_macro2::TokenStream;
use quote::{format_ident, quote_spanned, ToTokens};
use syn::{
parse_quote, parse_quote_spanned,
punctuated::{Pair, Punctuated},
spanned::Spanned,
token::Brace,
AngleBracketedGenericArguments, Attribute, Field, FieldMutability, Fields, FieldsNamed,
GenericParam, Generics, Ident, ItemStruct, Path, Token, Type, Visibility,
};
#[derive(Clone, Debug)]
pub(crate) struct ParsedBundle {
pub(crate) attrs: Vec<Attribute>,
pub(crate) options: HdlAttr<ItemOptions>,
pub(crate) vis: Visibility,
pub(crate) struct_token: Token![struct],
pub(crate) ident: Ident,
pub(crate) generics: MaybeParsed<ParsedGenerics, Generics>,
pub(crate) fields: MaybeParsed<ParsedFieldsNamed, FieldsNamed>,
pub(crate) field_flips: Vec<Option<HdlAttr<kw::flip>>>,
pub(crate) mask_type_ident: Ident,
pub(crate) mask_type_match_variant_ident: Ident,
pub(crate) match_variant_ident: Ident,
pub(crate) builder_ident: Ident,
pub(crate) mask_type_builder_ident: Ident,
}
impl ParsedBundle {
fn parse_field(
errors: &mut Errors,
field: &mut Field,
index: usize,
) -> Option<HdlAttr<kw::flip>> {
let Field {
attrs,
vis: _,
mutability,
ident,
colon_token,
ty,
} = field;
let ident = ident.get_or_insert_with(|| format_ident!("_{}", index, span = ty.span()));
if !matches!(mutability, FieldMutability::None) {
// FIXME: use mutability as the spanned tokens,
// blocked on https://github.com/dtolnay/syn/issues/1717
errors.error(&ident, "field mutability is not supported");
*mutability = FieldMutability::None;
}
*mutability = FieldMutability::None;
colon_token.get_or_insert(Token![:](ident.span()));
let options = errors.unwrap_or_default(HdlAttr::parse_and_take_attr(attrs));
options
}
fn parse(item: ItemStruct) -> syn::Result<Self> {
let ItemStruct {
mut attrs,
vis,
struct_token,
ident,
mut generics,
fields,
semi_token,
} = item;
let mut errors = Errors::new();
let mut options = errors
.unwrap_or_default(HdlAttr::<ItemOptions>::parse_and_take_attr(&mut attrs))
.unwrap_or_default();
errors.ok(options.body.validate());
let ItemOptions {
outline_generated: _,
target: _,
custom_bounds,
no_static: _,
no_runtime_generics: _,
} = options.body;
let mut fields = match fields {
syn::Fields::Named(fields) => fields,
syn::Fields::Unnamed(fields) => {
errors.error(&fields, "#[hdl] struct must use curly braces: {}");
FieldsNamed {
brace_token: Brace(fields.paren_token.span),
named: fields.unnamed,
}
}
syn::Fields::Unit => {
errors.error(&fields, "#[hdl] struct must use curly braces: {}");
FieldsNamed {
brace_token: Brace(semi_token.unwrap_or_default().span),
named: Punctuated::default(),
}
}
};
let mut field_flips = Vec::with_capacity(fields.named.len());
for (index, field) in fields.named.iter_mut().enumerate() {
field_flips.push(Self::parse_field(&mut errors, field, index));
}
let generics = if custom_bounds.is_some() {
MaybeParsed::Unrecognized(generics)
} else if let Some(generics) = errors.ok(ParsedGenerics::parse(&mut generics)) {
MaybeParsed::Parsed(generics)
} else {
MaybeParsed::Unrecognized(generics)
};
let fields = TypesParser::maybe_run(generics.as_ref(), fields, &mut errors);
errors.finish()?;
Ok(Self {
attrs,
options,
vis,
struct_token,
generics,
fields,
field_flips,
mask_type_ident: format_ident!("__{}__MaskType", ident),
mask_type_match_variant_ident: format_ident!("__{}__MaskType__MatchVariant", ident),
match_variant_ident: format_ident!("__{}__MatchVariant", ident),
mask_type_builder_ident: format_ident!("__{}__MaskType__Builder", ident),
builder_ident: format_ident!("__{}__Builder", ident),
ident,
})
}
}
#[derive(Clone, Debug)]
struct Builder {
vis: Visibility,
struct_token: Token![struct],
ident: Ident,
target: Path,
generics: Generics,
fields: FieldsNamed,
}
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
enum BuilderFieldState {
Unfilled,
Generic,
Filled,
}
impl Builder {
fn phantom_field_name(&self) -> Ident {
format_ident!("__phantom", span = self.ident.span())
}
fn phantom_field(&self) -> Field {
let target = &self.target;
let type_generics = self.generics.split_for_impl().1;
Field {
attrs: vec![],
vis: Visibility::Inherited,
mutability: FieldMutability::None,
ident: Some(self.phantom_field_name()),
colon_token: Some(Token![:](self.ident.span())),
ty: parse_quote_spanned! {self.ident.span()=>
::fayalite::__std::marker::PhantomData<#target #type_generics>
},
}
}
fn builder_struct_generics(
&self,
mut get_field_state: impl FnMut(usize) -> BuilderFieldState,
) -> Generics {
let mut retval = self.generics.clone();
for param in retval.params.iter_mut() {
match param {
GenericParam::Lifetime(_) => {}
GenericParam::Type(param) => param.default = None,
GenericParam::Const(param) => param.default = None,
}
}
for (field_index, field) in self.fields.named.iter().enumerate() {
match get_field_state(field_index) {
BuilderFieldState::Unfilled | BuilderFieldState::Filled => continue,
BuilderFieldState::Generic => {}
}
if !retval.params.empty_or_trailing() {
retval.params.push_punct(Token![,](self.ident.span()));
}
retval.params.push_value(GenericParam::Type(
type_var_for_field_name(field.ident.as_ref().unwrap()).into(),
));
}
retval
}
fn builder_struct_ty(
&self,
mut get_field_state: impl FnMut(usize) -> BuilderFieldState,
) -> Type {
let mut ty_arguments: AngleBracketedGenericArguments = if self.generics.params.is_empty() {
parse_quote_spanned! {self.ident.span()=>
<>
}
} else {
let builder_type_generics = self.generics.split_for_impl().1;
parse_quote! { #builder_type_generics }
};
for (field_index, Field { ident, ty, .. }) in self.fields.named.iter().enumerate() {
let ident = ident.as_ref().unwrap();
if !ty_arguments.args.empty_or_trailing() {
ty_arguments.args.push_punct(Token![,](self.ident.span()));
}
ty_arguments
.args
.push_value(match get_field_state(field_index) {
BuilderFieldState::Unfilled => parse_quote_spanned! {self.ident.span()=>
::fayalite::bundle::Unfilled<#ty>
},
BuilderFieldState::Generic => {
let type_var = type_var_for_field_name(ident);
parse_quote_spanned! {self.ident.span()=>
#type_var
}
}
BuilderFieldState::Filled => parse_quote_spanned! {self.ident.span()=>
::fayalite::expr::Expr<#ty>
},
});
}
let ident = &self.ident;
parse_quote_spanned! {ident.span()=>
#ident #ty_arguments
}
}
}
fn type_var_for_field_name(ident: &Ident) -> Ident {
format_ident!("__T_{}", ident)
}
fn field_fn_for_field_name(ident: &Ident) -> Ident {
format_ident!("field_{}", ident)
}
impl ToTokens for Builder {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Self {
vis,
struct_token,
ident,
target,
generics: _,
fields,
} = self;
let phantom_field_name = self.phantom_field_name();
let builder_struct = ItemStruct {
attrs: vec![parse_quote_spanned! {ident.span()=>
#[allow(non_camel_case_types, dead_code)]
}],
vis: vis.clone(),
struct_token: *struct_token,
ident: ident.clone(),
generics: self.builder_struct_generics(|_| BuilderFieldState::Generic),
fields: Fields::Named(FieldsNamed {
brace_token: fields.brace_token,
named: Punctuated::from_iter(
[Pair::Punctuated(
self.phantom_field(),
Token![,](self.ident.span()),
)]
.into_iter()
.chain(fields.named.pairs().map_pair_value_ref(|field| {
let ident = field.ident.as_ref().unwrap();
let type_var = type_var_for_field_name(ident);
Field {
vis: Visibility::Inherited,
ty: parse_quote_spanned! {ident.span()=>
#type_var
},
..field.clone()
}
})),
),
}),
semi_token: None,
};
builder_struct.to_tokens(tokens);
let field_idents = Vec::from_iter(
self.fields
.named
.iter()
.map(|field| field.ident.as_ref().unwrap()),
);
for (
field_index,
Field {
vis,
ident: field_ident,
ty,
..
},
) in self.fields.named.iter().enumerate()
{
let field_ident = field_ident.as_ref().unwrap();
let fn_ident = field_fn_for_field_name(field_ident);
let fn_generics = self.builder_struct_generics(|i| {
if i == field_index {
BuilderFieldState::Unfilled
} else {
BuilderFieldState::Generic
}
});
let (impl_generics, _, where_clause) = fn_generics.split_for_impl();
let unfilled_ty = self.builder_struct_ty(|i| {
if i == field_index {
BuilderFieldState::Unfilled
} else {
BuilderFieldState::Generic
}
});
let filled_ty = self.builder_struct_ty(|i| {
if i == field_index {
BuilderFieldState::Filled
} else {
BuilderFieldState::Generic
}
});
let pat_fields =
Vec::from_iter(self.fields.named.iter().enumerate().map(|(i, field)| {
let field_ident = field.ident.as_ref().unwrap();
if field_index == i {
quote_spanned! {self.ident.span()=>
#field_ident: _,
}
} else {
quote_spanned! {self.ident.span()=>
#field_ident,
}
}
}));
quote_spanned! {self.ident.span()=>
#[automatically_derived]
#[allow(non_camel_case_types, dead_code)]
impl #impl_generics #unfilled_ty
#where_clause
{
#vis fn #fn_ident(
self,
#field_ident: impl ::fayalite::expr::ToExpr<Type = #ty>,
) -> #filled_ty {
let Self {
#phantom_field_name: _,
#(#pat_fields)*
} = self;
let #field_ident = ::fayalite::expr::ToExpr::to_expr(&#field_ident);
#ident {
#phantom_field_name: ::fayalite::__std::marker::PhantomData,
#(#field_idents,)*
}
}
}
}
.to_tokens(tokens);
}
let unfilled_generics = self.builder_struct_generics(|_| BuilderFieldState::Unfilled);
let unfilled_ty = self.builder_struct_ty(|_| BuilderFieldState::Unfilled);
let (unfilled_impl_generics, _, unfilled_where_clause) = unfilled_generics.split_for_impl();
quote_spanned! {self.ident.span()=>
#[automatically_derived]
#[allow(non_camel_case_types, dead_code)]
impl #unfilled_impl_generics ::fayalite::__std::default::Default for #unfilled_ty
#unfilled_where_clause
{
fn default() -> Self {
#ident {
#phantom_field_name: ::fayalite::__std::marker::PhantomData,
#(#field_idents: ::fayalite::__std::default::Default::default(),)*
}
}
}
}
.to_tokens(tokens);
let filled_generics = self.builder_struct_generics(|_| BuilderFieldState::Filled);
let filled_ty = self.builder_struct_ty(|_| BuilderFieldState::Filled);
let (filled_impl_generics, _, filled_where_clause) = filled_generics.split_for_impl();
let type_generics = self.generics.split_for_impl().1;
quote_spanned! {self.ident.span()=>
#[automatically_derived]
#[allow(non_camel_case_types, dead_code)]
impl #filled_impl_generics ::fayalite::expr::ToExpr for #filled_ty
#filled_where_clause
{
type Type = #target #type_generics;
fn to_expr(
&self,
) -> ::fayalite::expr::Expr<<Self as ::fayalite::expr::ToExpr>::Type> {
let __ty = #target {
#(#field_idents: ::fayalite::expr::Expr::ty(self.#field_idents),)*
};
let __field_values = [
#(::fayalite::expr::Expr::canonical(self.#field_idents),)*
];
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::BundleLiteral::new(
__ty,
::fayalite::intern::Intern::intern(&__field_values[..]),
),
)
}
}
}
.to_tokens(tokens);
}
}
impl ToTokens for ParsedBundle {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Self {
attrs,
options,
vis,
struct_token,
ident,
generics,
fields,
field_flips,
mask_type_ident,
mask_type_match_variant_ident,
match_variant_ident,
builder_ident,
mask_type_builder_ident,
} = self;
let ItemOptions {
outline_generated: _,
target,
custom_bounds: _,
no_static,
no_runtime_generics,
} = &options.body;
let target = get_target(target, ident);
let mut item_attrs = attrs.clone();
item_attrs.push(common_derives(ident.span()));
ItemStruct {
attrs: item_attrs,
vis: vis.clone(),
struct_token: *struct_token,
ident: ident.clone(),
generics: generics.into(),
fields: Fields::Named(fields.clone().into()),
semi_token: None,
}
.to_tokens(tokens);
let (impl_generics, type_generics, where_clause) = generics.split_for_impl();
if let (MaybeParsed::Parsed(generics), MaybeParsed::Parsed(fields), None) =
(generics, fields, no_runtime_generics)
{
generics.make_runtime_generics(tokens, vis, ident, &target, |context| {
let fields: Vec<_> = fields
.named
.iter()
.map(|ParsedField { ident, ty, .. }| {
let ident = ident.as_ref().unwrap();
let expr = ty.make_hdl_type_expr(context);
quote_spanned! {ident.span()=>
#ident: #expr,
}
})
.collect();
parse_quote_spanned! {ident.span()=>
#target {
#(#fields)*
}
}
})
}
let mut wrapped_in_const = WrappedInConst::new(tokens, ident.span());
let tokens = wrapped_in_const.inner();
let builder = Builder {
vis: vis.clone(),
struct_token: *struct_token,
ident: builder_ident.clone(),
target: target.clone(),
generics: generics.into(),
fields: fields.clone().into(),
};
builder.to_tokens(tokens);
let unfilled_builder_ty = builder.builder_struct_ty(|_| BuilderFieldState::Unfilled);
let filled_builder_ty = builder.builder_struct_ty(|_| BuilderFieldState::Filled);
let mut mask_type_fields = FieldsNamed::from(fields.clone());
for Field { ident, ty, .. } in &mut mask_type_fields.named {
let ident = ident.as_ref().unwrap();
*ty = parse_quote_spanned! {ident.span()=>
<#ty as ::fayalite::ty::Type>::MaskType
};
}
let mask_type_builder = Builder {
vis: vis.clone(),
struct_token: *struct_token,
ident: mask_type_builder_ident.clone(),
target: mask_type_ident.clone().into(),
generics: generics.into(),
fields: mask_type_fields.clone(),
};
mask_type_builder.to_tokens(tokens);
let unfilled_mask_type_builder_ty =
mask_type_builder.builder_struct_ty(|_| BuilderFieldState::Unfilled);
let filled_mask_type_builder_ty =
mask_type_builder.builder_struct_ty(|_| BuilderFieldState::Filled);
ItemStruct {
attrs: vec![
common_derives(ident.span()),
parse_quote_spanned! {ident.span()=>
#[allow(non_camel_case_types, dead_code)]
},
],
vis: vis.clone(),
struct_token: *struct_token,
ident: mask_type_ident.clone(),
generics: generics.into(),
fields: Fields::Named(mask_type_fields.clone()),
semi_token: None,
}
.to_tokens(tokens);
let mut mask_type_match_variant_fields = mask_type_fields;
for Field { ident, ty, .. } in &mut mask_type_match_variant_fields.named {
let ident = ident.as_ref().unwrap();
*ty = parse_quote_spanned! {ident.span()=>
::fayalite::expr::Expr<#ty>
};
}
ItemStruct {
attrs: vec![
common_derives(ident.span()),
parse_quote_spanned! {ident.span()=>
#[allow(non_camel_case_types, dead_code)]
},
],
vis: vis.clone(),
struct_token: *struct_token,
ident: mask_type_match_variant_ident.clone(),
generics: generics.into(),
fields: Fields::Named(mask_type_match_variant_fields),
semi_token: None,
}
.to_tokens(tokens);
let mut match_variant_fields = FieldsNamed::from(fields.clone());
for Field { ident, ty, .. } in &mut match_variant_fields.named {
let ident = ident.as_ref().unwrap();
*ty = parse_quote_spanned! {ident.span()=>
::fayalite::expr::Expr<#ty>
};
}
ItemStruct {
attrs: vec![
common_derives(ident.span()),
parse_quote_spanned! {ident.span()=>
#[allow(non_camel_case_types, dead_code)]
},
],
vis: vis.clone(),
struct_token: *struct_token,
ident: match_variant_ident.clone(),
generics: generics.into(),
fields: Fields::Named(match_variant_fields),
semi_token: None,
}
.to_tokens(tokens);
let match_variant_body_fields = Vec::from_iter(fields.named().into_iter().map(|field| {
let ident: &Ident = field.ident().as_ref().unwrap();
let ident_str = ident.to_string();
quote_spanned! {ident.span()=>
#ident: ::fayalite::expr::Expr::field(__this, #ident_str),
}
}));
let mask_type_body_fields = Vec::from_iter(fields.named().into_iter().map(|field| {
let ident: &Ident = field.ident().as_ref().unwrap();
quote_spanned! {ident.span()=>
#ident: ::fayalite::ty::Type::mask_type(&self.#ident),
}
}));
let from_canonical_body_fields =
Vec::from_iter(fields.named().into_iter().enumerate().zip(field_flips).map(
|((index, field), flip)| {
let ident: &Ident = field.ident().as_ref().unwrap();
let ident_str = ident.to_string();
let flipped = flip.is_some();
quote_spanned! {ident.span()=>
#ident: {
let ::fayalite::bundle::BundleField {
name: __name,
flipped: __flipped,
ty: __ty,
} = __fields[#index];
::fayalite::__std::assert_eq!(&*__name, #ident_str);
::fayalite::__std::assert_eq!(__flipped, #flipped);
::fayalite::ty::Type::from_canonical(__ty)
},
}
},
));
let fields_body_fields = Vec::from_iter(fields.named().into_iter().zip(field_flips).map(
|(field, flip)| {
let ident: &Ident = field.ident().as_ref().unwrap();
let ident_str = ident.to_string();
let flipped = flip.is_some();
quote_spanned! {ident.span()=>
::fayalite::bundle::BundleField {
name: ::fayalite::intern::Intern::intern(#ident_str),
flipped: #flipped,
ty: ::fayalite::ty::Type::canonical(&self.#ident),
},
}
},
));
let fields_len = fields.named().into_iter().len();
quote_spanned! {ident.span()=>
#[automatically_derived]
impl #impl_generics ::fayalite::ty::Type for #mask_type_ident #type_generics
#where_clause
{
type BaseType = ::fayalite::bundle::Bundle;
type MaskType = #mask_type_ident #type_generics;
type MatchVariant = #mask_type_match_variant_ident #type_generics;
type MatchActiveScope = ();
type MatchVariantAndInactiveScope = ::fayalite::ty::MatchVariantWithoutScope<
<Self as ::fayalite::ty::Type>::MatchVariant,
>;
type MatchVariantsIter = ::fayalite::__std::iter::Once<
<Self as ::fayalite::ty::Type>::MatchVariantAndInactiveScope,
>;
fn match_variants(
__this: ::fayalite::expr::Expr<Self>,
__source_location: ::fayalite::source_location::SourceLocation,
) -> <Self as ::fayalite::ty::Type>::MatchVariantsIter {
let __retval = #mask_type_match_variant_ident {
#(#match_variant_body_fields)*
};
::fayalite::__std::iter::once(::fayalite::ty::MatchVariantWithoutScope(__retval))
}
fn mask_type(&self) -> <Self as ::fayalite::ty::Type>::MaskType {
*self
}
fn canonical(&self) -> ::fayalite::ty::CanonicalType {
::fayalite::ty::Type::canonical(&::fayalite::bundle::Bundle::new(::fayalite::bundle::BundleType::fields(self)))
}
#[track_caller]
fn from_canonical(__canonical_type: ::fayalite::ty::CanonicalType) -> Self {
let ::fayalite::ty::CanonicalType::Bundle(__bundle) = __canonical_type else {
::fayalite::__std::panic!("expected bundle");
};
let __fields = ::fayalite::bundle::BundleType::fields(&__bundle);
::fayalite::__std::assert_eq!(__fields.len(), #fields_len, "bundle has wrong number of fields");
Self {
#(#from_canonical_body_fields)*
}
}
fn source_location() -> ::fayalite::source_location::SourceLocation {
::fayalite::source_location::SourceLocation::caller()
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::bundle::BundleType for #mask_type_ident #type_generics
#where_clause
{
type Builder = #unfilled_mask_type_builder_ty;
type FilledBuilder = #filled_mask_type_builder_ty;
fn fields(&self) -> ::fayalite::intern::Interned<[::fayalite::bundle::BundleField]> {
::fayalite::intern::Intern::intern(&[#(#fields_body_fields)*][..])
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::ty::TypeWithDeref for #mask_type_ident #type_generics
#where_clause
{
fn expr_deref(__this: &::fayalite::expr::Expr<Self>) -> &<Self as ::fayalite::ty::Type>::MatchVariant {
let __this = *__this;
let __retval = #mask_type_match_variant_ident {
#(#match_variant_body_fields)*
};
::fayalite::intern::Interned::<_>::into_inner(::fayalite::intern::Intern::intern_sized(__retval))
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::ty::Type for #target #type_generics
#where_clause
{
type BaseType = ::fayalite::bundle::Bundle;
type MaskType = #mask_type_ident #type_generics;
type MatchVariant = #match_variant_ident #type_generics;
type MatchActiveScope = ();
type MatchVariantAndInactiveScope = ::fayalite::ty::MatchVariantWithoutScope<
<Self as ::fayalite::ty::Type>::MatchVariant,
>;
type MatchVariantsIter = ::fayalite::__std::iter::Once<
<Self as ::fayalite::ty::Type>::MatchVariantAndInactiveScope,
>;
fn match_variants(
__this: ::fayalite::expr::Expr<Self>,
__source_location: ::fayalite::source_location::SourceLocation,
) -> <Self as ::fayalite::ty::Type>::MatchVariantsIter {
let __retval = #match_variant_ident {
#(#match_variant_body_fields)*
};
::fayalite::__std::iter::once(::fayalite::ty::MatchVariantWithoutScope(__retval))
}
fn mask_type(&self) -> <Self as ::fayalite::ty::Type>::MaskType {
#mask_type_ident {
#(#mask_type_body_fields)*
}
}
fn canonical(&self) -> ::fayalite::ty::CanonicalType {
::fayalite::ty::Type::canonical(&::fayalite::bundle::Bundle::new(::fayalite::bundle::BundleType::fields(self)))
}
#[track_caller]
fn from_canonical(__canonical_type: ::fayalite::ty::CanonicalType) -> Self {
let ::fayalite::ty::CanonicalType::Bundle(__bundle) = __canonical_type else {
::fayalite::__std::panic!("expected bundle");
};
let __fields = ::fayalite::bundle::BundleType::fields(&__bundle);
::fayalite::__std::assert_eq!(__fields.len(), #fields_len, "bundle has wrong number of fields");
Self {
#(#from_canonical_body_fields)*
}
}
fn source_location() -> ::fayalite::source_location::SourceLocation {
::fayalite::source_location::SourceLocation::caller()
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::bundle::BundleType for #target #type_generics
#where_clause
{
type Builder = #unfilled_builder_ty;
type FilledBuilder = #filled_builder_ty;
fn fields(&self) -> ::fayalite::intern::Interned<[::fayalite::bundle::BundleField]> {
::fayalite::intern::Intern::intern(&[#(#fields_body_fields)*][..])
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::ty::TypeWithDeref for #target #type_generics
#where_clause
{
fn expr_deref(__this: &::fayalite::expr::Expr<Self>) -> &<Self as ::fayalite::ty::Type>::MatchVariant {
let __this = *__this;
let __retval = #match_variant_ident {
#(#match_variant_body_fields)*
};
::fayalite::intern::Interned::<_>::into_inner(::fayalite::intern::Intern::intern_sized(__retval))
}
}
}
.to_tokens(tokens);
if let (None, MaybeParsed::Parsed(generics)) = (no_static, &self.generics) {
let static_generics = generics.clone().for_static_type();
let (static_impl_generics, static_type_generics, static_where_clause) =
static_generics.split_for_impl();
let static_type_body_fields = Vec::from_iter(fields.named().into_iter().map(|field| {
let ident: &Ident = field.ident().as_ref().unwrap();
let ty = field.ty();
quote_spanned! {ident.span()=>
#ident: <#ty as ::fayalite::ty::StaticType>::TYPE,
}
}));
let static_mask_type_body_fields =
Vec::from_iter(fields.named().into_iter().map(|field| {
let ident: &Ident = field.ident().as_ref().unwrap();
let ty = field.ty();
quote_spanned! {ident.span()=>
#ident: <#ty as ::fayalite::ty::StaticType>::MASK_TYPE,
}
}));
let type_properties = format_ident!("__type_properties", span = ident.span());
let type_properties_fields = Vec::from_iter(fields.named().into_iter().zip(field_flips).map(|(field, field_flip)| {
let ident: &Ident = field.ident().as_ref().unwrap();
let flipped = field_flip.is_some();
let ty = field.ty();
quote_spanned! {ident.span()=>
let #type_properties = #type_properties.field(#flipped, <#ty as ::fayalite::ty::StaticType>::TYPE_PROPERTIES);
}
}));
let type_properties_mask_fields = Vec::from_iter(fields.named().into_iter().zip(field_flips).map(|(field, field_flip)| {
let ident: &Ident = field.ident().as_ref().unwrap();
let flipped = field_flip.is_some();
let ty = field.ty();
quote_spanned! {ident.span()=>
let #type_properties = #type_properties.field(#flipped, <#ty as ::fayalite::ty::StaticType>::MASK_TYPE_PROPERTIES);
}
}));
quote_spanned! {ident.span()=>
#[automatically_derived]
impl #static_impl_generics ::fayalite::ty::StaticType for #mask_type_ident #static_type_generics
#static_where_clause
{
const TYPE: Self = Self {
#(#static_mask_type_body_fields)*
};
const MASK_TYPE: <Self as ::fayalite::ty::Type>::MaskType = Self {
#(#static_mask_type_body_fields)*
};
const TYPE_PROPERTIES: ::fayalite::ty::TypeProperties = {
let #type_properties = ::fayalite::bundle::BundleTypePropertiesBuilder::new();
#(#type_properties_mask_fields)*
#type_properties.finish()
};
const MASK_TYPE_PROPERTIES: ::fayalite::ty::TypeProperties = {
let #type_properties = ::fayalite::bundle::BundleTypePropertiesBuilder::new();
#(#type_properties_mask_fields)*
#type_properties.finish()
};
}
#[automatically_derived]
impl #static_impl_generics ::fayalite::ty::StaticType for #target #static_type_generics
#static_where_clause
{
const TYPE: Self = Self {
#(#static_type_body_fields)*
};
const MASK_TYPE: <Self as ::fayalite::ty::Type>::MaskType = #mask_type_ident {
#(#static_mask_type_body_fields)*
};
const TYPE_PROPERTIES: ::fayalite::ty::TypeProperties = {
let #type_properties = ::fayalite::bundle::BundleTypePropertiesBuilder::new();
#(#type_properties_fields)*
#type_properties.finish()
};
const MASK_TYPE_PROPERTIES: ::fayalite::ty::TypeProperties = {
let #type_properties = ::fayalite::bundle::BundleTypePropertiesBuilder::new();
#(#type_properties_mask_fields)*
#type_properties.finish()
};
}
}
.to_tokens(tokens);
}
}
}
pub(crate) fn hdl_bundle(item: ItemStruct) -> syn::Result<TokenStream> {
let item = ParsedBundle::parse(item)?;
let outline_generated = item.options.body.outline_generated;
let mut contents = item.to_token_stream();
if outline_generated.is_some() {
contents = crate::outline_generated(contents, "hdl-bundle-");
}
Ok(contents)
}

View file

@ -0,0 +1,656 @@
use crate::{
hdl_type_common::{
common_derives, get_target, ItemOptions, MakeHdlTypeExpr, MaybeParsed, ParsedGenerics,
ParsedType, SplitForImpl, TypesParser, WrappedInConst,
},
Errors, HdlAttr, PairsIterExt,
};
use proc_macro2::TokenStream;
use quote::{format_ident, quote_spanned, ToTokens};
use syn::{
parse_quote_spanned,
punctuated::{Pair, Punctuated},
token::{Brace, Paren},
Attribute, Field, FieldMutability, Fields, FieldsNamed, FieldsUnnamed, Generics, Ident,
ItemEnum, ItemStruct, Token, Type, Variant, Visibility,
};
crate::options! {
#[options = VariantOptions]
pub(crate) enum VariantOption {}
}
crate::options! {
#[options = FieldOptions]
pub(crate) enum FieldOption {}
}
#[derive(Clone, Debug)]
pub(crate) struct ParsedVariantField {
pub(crate) paren_token: Paren,
pub(crate) attrs: Vec<Attribute>,
pub(crate) options: HdlAttr<FieldOptions>,
pub(crate) ty: MaybeParsed<ParsedType, Type>,
pub(crate) comma_token: Option<Token![,]>,
}
#[derive(Clone, Debug)]
pub(crate) struct ParsedVariant {
pub(crate) attrs: Vec<Attribute>,
pub(crate) options: HdlAttr<VariantOptions>,
pub(crate) ident: Ident,
pub(crate) field: Option<ParsedVariantField>,
}
impl ParsedVariant {
fn parse(
errors: &mut Errors,
variant: Variant,
generics: &MaybeParsed<ParsedGenerics, Generics>,
) -> Self {
let Variant {
mut attrs,
ident,
fields,
discriminant,
} = variant;
let options = errors
.unwrap_or_default(HdlAttr::parse_and_take_attr(&mut attrs))
.unwrap_or_default();
let field = match fields {
Fields::Unnamed(FieldsUnnamed {
paren_token,
unnamed,
}) if unnamed.len() == 1 => {
let (field, comma_token) = unnamed.into_pairs().next().unwrap().into_tuple();
let Field {
mut attrs,
vis,
mutability,
ident: _,
colon_token: _,
ty,
} = field;
let options = errors
.unwrap_or_default(HdlAttr::parse_and_take_attr(&mut attrs))
.unwrap_or_default();
if !matches!(vis, Visibility::Inherited) {
errors.error(
&vis,
"enum variant fields must not have a visibility specifier",
);
}
if !matches!(mutability, FieldMutability::None) {
// FIXME: use mutability as the spanned tokens,
// blocked on https://github.com/dtolnay/syn/issues/1717
errors.error(&ty, "field mutability is not supported");
}
Some(ParsedVariantField {
paren_token,
attrs,
options,
ty: TypesParser::maybe_run(generics.as_ref(), ty, errors),
comma_token,
})
}
Fields::Unit => None,
Fields::Unnamed(fields) if fields.unnamed.is_empty() => None,
Fields::Named(fields) if fields.named.is_empty() => None,
Fields::Unnamed(_) | Fields::Named(_) => {
errors.error(
fields,
"enum variant must either have no fields or a single parenthesized field",
);
None
}
};
if let Some((eq, _)) = discriminant {
errors.error(eq, "custom enum discriminants are not allowed");
}
Self {
attrs,
options,
ident,
field,
}
}
}
#[derive(Clone, Debug)]
pub(crate) struct ParsedEnum {
pub(crate) attrs: Vec<Attribute>,
pub(crate) options: HdlAttr<ItemOptions>,
pub(crate) vis: Visibility,
pub(crate) enum_token: Token![enum],
pub(crate) ident: Ident,
pub(crate) generics: MaybeParsed<ParsedGenerics, Generics>,
pub(crate) brace_token: Brace,
pub(crate) variants: Punctuated<ParsedVariant, Token![,]>,
pub(crate) match_variant_ident: Ident,
}
impl ParsedEnum {
fn parse(item: ItemEnum) -> syn::Result<Self> {
let ItemEnum {
mut attrs,
vis,
enum_token,
ident,
mut generics,
brace_token,
variants,
} = item;
let mut errors = Errors::new();
let mut options = errors
.unwrap_or_default(HdlAttr::<ItemOptions>::parse_and_take_attr(&mut attrs))
.unwrap_or_default();
errors.ok(options.body.validate());
let ItemOptions {
outline_generated: _,
target: _,
custom_bounds,
no_static: _,
no_runtime_generics: _,
} = options.body;
attrs.retain(|attr| {
if attr.path().is_ident("repr") {
errors.error(attr, "#[repr] is not supported on #[hdl] enums");
false
} else {
true
}
});
let generics = if custom_bounds.is_some() {
MaybeParsed::Unrecognized(generics)
} else if let Some(generics) = errors.ok(ParsedGenerics::parse(&mut generics)) {
MaybeParsed::Parsed(generics)
} else {
MaybeParsed::Unrecognized(generics)
};
let variants = Punctuated::from_iter(
variants
.into_pairs()
.map_pair_value(|v| ParsedVariant::parse(&mut errors, v, &generics)),
);
errors.finish()?;
Ok(Self {
attrs,
options,
vis,
enum_token,
generics,
brace_token,
variants,
match_variant_ident: format_ident!("__{}__MatchVariant", ident),
ident,
})
}
}
impl ToTokens for ParsedEnum {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Self {
attrs,
options,
vis,
enum_token,
ident,
generics,
brace_token,
variants,
match_variant_ident,
} = self;
let ItemOptions {
outline_generated: _,
target,
custom_bounds: _,
no_static,
no_runtime_generics,
} = &options.body;
let target = get_target(target, ident);
let mut struct_attrs = attrs.clone();
struct_attrs.push(common_derives(ident.span()));
struct_attrs.push(parse_quote_spanned! {ident.span()=>
#[allow(non_snake_case)]
});
let struct_fields = Punctuated::from_iter(variants.pairs().map_pair_value_ref(
|ParsedVariant {
attrs: _,
options,
ident,
field,
}| {
let VariantOptions {} = options.body;
let colon_token;
let ty = if let Some(ParsedVariantField {
paren_token,
attrs: _,
options,
ty,
comma_token: _,
}) = field
{
let FieldOptions {} = options.body;
colon_token = Token![:](paren_token.span.open());
ty.clone().into()
} else {
colon_token = Token![:](ident.span());
parse_quote_spanned! {ident.span()=>
()
}
};
Field {
attrs: vec![],
vis: vis.clone(),
mutability: FieldMutability::None,
ident: Some(ident.clone()),
colon_token: Some(colon_token),
ty,
}
},
));
ItemStruct {
attrs: struct_attrs,
vis: vis.clone(),
struct_token: Token![struct](enum_token.span),
ident: ident.clone(),
generics: generics.into(),
fields: if struct_fields.is_empty() {
Fields::Unit
} else {
Fields::Named(FieldsNamed {
brace_token: *brace_token,
named: struct_fields,
})
},
semi_token: None,
}
.to_tokens(tokens);
let (impl_generics, type_generics, where_clause) = generics.split_for_impl();
if let (MaybeParsed::Parsed(generics), None) = (generics, no_runtime_generics) {
generics.make_runtime_generics(tokens, vis, ident, &target, |context| {
let fields: Vec<_> = variants
.iter()
.map(|ParsedVariant { ident, field, .. }| {
if let Some(ParsedVariantField {
ty: MaybeParsed::Parsed(ty),
..
}) = field
{
let expr = ty.make_hdl_type_expr(context);
quote_spanned! {ident.span()=>
#ident: #expr,
}
} else {
quote_spanned! {ident.span()=>
#ident: (),
}
}
})
.collect();
parse_quote_spanned! {ident.span()=>
#target {
#(#fields)*
}
}
})
}
let mut wrapped_in_const = WrappedInConst::new(tokens, ident.span());
let tokens = wrapped_in_const.inner();
{
let mut wrapped_in_const = WrappedInConst::new(tokens, ident.span());
let tokens = wrapped_in_const.inner();
let mut enum_attrs = attrs.clone();
enum_attrs.push(parse_quote_spanned! {ident.span()=>
#[allow(dead_code)]
});
ItemEnum {
attrs: enum_attrs,
vis: vis.clone(),
enum_token: *enum_token,
ident: ident.clone(),
generics: generics.into(),
brace_token: *brace_token,
variants: Punctuated::from_iter(variants.pairs().map_pair_value_ref(
|ParsedVariant {
attrs,
options: _,
ident,
field,
}| Variant {
attrs: attrs.clone(),
ident: ident.clone(),
fields: match field {
Some(ParsedVariantField {
paren_token,
attrs,
options: _,
ty,
comma_token,
}) => Fields::Unnamed(FieldsUnnamed {
paren_token: *paren_token,
unnamed: Punctuated::from_iter([Pair::new(
Field {
attrs: attrs.clone(),
vis: Visibility::Inherited,
mutability: FieldMutability::None,
ident: None,
colon_token: None,
ty: ty.clone().into(),
},
*comma_token,
)]),
}),
None => Fields::Unit,
},
discriminant: None,
},
)),
}
.to_tokens(tokens);
}
let mut enum_attrs = attrs.clone();
enum_attrs.push(parse_quote_spanned! {ident.span()=>
#[allow(dead_code, non_camel_case_types)]
});
ItemEnum {
attrs: enum_attrs,
vis: vis.clone(),
enum_token: *enum_token,
ident: match_variant_ident.clone(),
generics: generics.into(),
brace_token: *brace_token,
variants: Punctuated::from_iter(variants.pairs().map_pair_value_ref(
|ParsedVariant {
attrs,
options: _,
ident,
field,
}| Variant {
attrs: attrs.clone(),
ident: ident.clone(),
fields: match field {
Some(ParsedVariantField {
paren_token,
attrs,
options: _,
ty,
comma_token,
}) => Fields::Unnamed(FieldsUnnamed {
paren_token: *paren_token,
unnamed: Punctuated::from_iter([Pair::new(
Field {
attrs: attrs.clone(),
vis: Visibility::Inherited,
mutability: FieldMutability::None,
ident: None,
colon_token: None,
ty: parse_quote_spanned! {ident.span()=>
::fayalite::expr::Expr<#ty>
},
},
*comma_token,
)]),
}),
None => Fields::Unit,
},
discriminant: None,
},
)),
}
.to_tokens(tokens);
for (index, ParsedVariant { ident, field, .. }) in variants.iter().enumerate() {
if let Some(ParsedVariantField { ty, .. }) = field {
quote_spanned! {ident.span()=>
#[automatically_derived]
impl #impl_generics #target #type_generics
#where_clause
{
#[allow(non_snake_case, dead_code)]
#vis fn #ident<__V: ::fayalite::expr::ToExpr<Type = #ty>>(
self,
v: __V,
) -> ::fayalite::expr::Expr<Self> {
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::EnumLiteral::new_by_index(
self,
#index,
::fayalite::__std::option::Option::Some(
::fayalite::expr::Expr::canonical(
::fayalite::expr::ToExpr::to_expr(&v),
),
),
),
)
}
}
}
} else {
quote_spanned! {ident.span()=>
#[automatically_derived]
impl #impl_generics #target #type_generics
#where_clause
{
#[allow(non_snake_case, dead_code)]
#vis fn #ident(self) -> ::fayalite::expr::Expr<Self> {
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::EnumLiteral::new_by_index(
self,
#index,
::fayalite::__std::option::Option::None,
),
)
}
}
}
}
.to_tokens(tokens);
}
let from_canonical_body_fields = Vec::from_iter(variants.iter().enumerate().map(
|(index, ParsedVariant { ident, field, .. })| {
let ident_str = ident.to_string();
let val = if field.is_some() {
let missing_value_msg = format!("expected variant {ident} to have a field");
quote_spanned! {ident.span()=>
::fayalite::ty::Type::from_canonical(ty.expect(#missing_value_msg))
}
} else {
quote_spanned! {ident.span()=>
::fayalite::__std::assert!(ty.is_none());
}
};
quote_spanned! {ident.span()=>
#ident: {
let ::fayalite::enum_::EnumVariant {
name,
ty,
} = variants[#index];
::fayalite::__std::assert_eq!(&*name, #ident_str);
#val
},
}
},
));
let match_active_scope_match_arms = Vec::from_iter(variants.iter().enumerate().map(
|(index, ParsedVariant { ident, field, .. })| {
if field.is_some() {
quote_spanned! {ident.span()=>
#index => #match_variant_ident::#ident(
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::VariantAccess::new_by_index(
variant_access.base(),
variant_access.variant_index(),
),
),
),
}
} else {
quote_spanned! {ident.span()=>
#index => #match_variant_ident::#ident,
}
}
},
));
let variants_body_variants = Vec::from_iter(variants.iter().map(
|ParsedVariant {
attrs: _,
options,
ident,
field,
}| {
let VariantOptions {} = options.body;
let ident_str = ident.to_string();
match field {
Some(ParsedVariantField { options, .. }) => {
let FieldOptions {} = options.body;
quote_spanned! {ident.span()=>
::fayalite::enum_::EnumVariant {
name: ::fayalite::intern::Intern::intern(#ident_str),
ty: ::fayalite::__std::option::Option::Some(
::fayalite::ty::Type::canonical(&self.#ident),
),
},
}
}
None => quote_spanned! {ident.span()=>
::fayalite::enum_::EnumVariant {
name: ::fayalite::intern::Intern::intern(#ident_str),
ty: ::fayalite::__std::option::Option::None,
},
},
}
},
));
let variants_len = variants.len();
quote_spanned! {ident.span()=>
#[automatically_derived]
impl #impl_generics ::fayalite::ty::Type for #target #type_generics
#where_clause
{
type BaseType = ::fayalite::enum_::Enum;
type MaskType = ::fayalite::int::Bool;
type MatchVariant = #match_variant_ident #type_generics;
type MatchActiveScope = ::fayalite::module::Scope;
type MatchVariantAndInactiveScope = ::fayalite::enum_::EnumMatchVariantAndInactiveScope<Self>;
type MatchVariantsIter = ::fayalite::enum_::EnumMatchVariantsIter<Self>;
fn match_variants(
this: ::fayalite::expr::Expr<Self>,
source_location: ::fayalite::source_location::SourceLocation,
) -> <Self as ::fayalite::ty::Type>::MatchVariantsIter {
::fayalite::module::ModuleBuilder::enum_match_variants_helper(this, source_location)
}
fn mask_type(&self) -> <Self as ::fayalite::ty::Type>::MaskType {
::fayalite::int::Bool
}
fn canonical(&self) -> ::fayalite::ty::CanonicalType {
::fayalite::ty::CanonicalType::Enum(::fayalite::enum_::Enum::new(::fayalite::enum_::EnumType::variants(self)))
}
#[track_caller]
#[allow(non_snake_case)]
fn from_canonical(canonical_type: ::fayalite::ty::CanonicalType) -> Self {
let ::fayalite::ty::CanonicalType::Enum(enum_) = canonical_type else {
::fayalite::__std::panic!("expected enum");
};
let variants = ::fayalite::enum_::EnumType::variants(&enum_);
::fayalite::__std::assert_eq!(variants.len(), #variants_len, "enum has wrong number of variants");
Self {
#(#from_canonical_body_fields)*
}
}
fn source_location() -> ::fayalite::source_location::SourceLocation {
::fayalite::source_location::SourceLocation::caller()
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::enum_::EnumType for #target #type_generics
#where_clause
{
fn match_activate_scope(
v: <Self as ::fayalite::ty::Type>::MatchVariantAndInactiveScope,
) -> (<Self as ::fayalite::ty::Type>::MatchVariant, <Self as ::fayalite::ty::Type>::MatchActiveScope) {
let (variant_access, scope) = v.activate();
(
match variant_access.variant_index() {
#(#match_active_scope_match_arms)*
#variants_len.. => ::fayalite::__std::panic!("invalid variant index"),
},
scope,
)
}
fn variants(&self) -> ::fayalite::intern::Interned<[::fayalite::enum_::EnumVariant]> {
::fayalite::intern::Intern::intern(&[
#(#variants_body_variants)*
][..])
}
}
}
.to_tokens(tokens);
if let (None, MaybeParsed::Parsed(generics)) = (no_static, &self.generics) {
let static_generics = generics.clone().for_static_type();
let (static_impl_generics, static_type_generics, static_where_clause) =
static_generics.split_for_impl();
let static_type_body_variants =
Vec::from_iter(variants.iter().map(|ParsedVariant { ident, field, .. }| {
if let Some(_) = field {
quote_spanned! {ident.span()=>
#ident: ::fayalite::ty::StaticType::TYPE,
}
} else {
quote_spanned! {ident.span()=>
#ident: (),
}
}
}));
let type_properties = format_ident!("__type_properties", span = ident.span());
let type_properties_variants =
Vec::from_iter(variants.iter().map(|ParsedVariant { ident, field, .. }| {
let variant = if let Some(ParsedVariantField { ty, .. }) = field {
quote_spanned! {ident.span()=>
::fayalite::__std::option::Option::Some(
<#ty as ::fayalite::ty::StaticType>::TYPE_PROPERTIES,
)
}
} else {
quote_spanned! {ident.span()=>
::fayalite::__std::option::Option::None
}
};
quote_spanned! {ident.span()=>
let #type_properties = #type_properties.variant(#variant);
}
}));
quote_spanned! {ident.span()=>
#[automatically_derived]
impl #static_impl_generics ::fayalite::ty::StaticType
for #target #static_type_generics
#static_where_clause
{
const TYPE: Self = Self {
#(#static_type_body_variants)*
};
const MASK_TYPE: <Self as ::fayalite::ty::Type>::MaskType =
::fayalite::int::Bool;
const TYPE_PROPERTIES: ::fayalite::ty::TypeProperties = {
let #type_properties = ::fayalite::enum_::EnumTypePropertiesBuilder::new();
#(#type_properties_variants)*
#type_properties.finish()
};
const MASK_TYPE_PROPERTIES: ::fayalite::ty::TypeProperties =
<::fayalite::int::Bool as ::fayalite::ty::StaticType>::TYPE_PROPERTIES;
}
}
.to_tokens(tokens);
}
}
}
pub(crate) fn hdl_enum(item: ItemEnum) -> syn::Result<TokenStream> {
let item = ParsedEnum::parse(item)?;
let outline_generated = item.options.body.outline_generated;
let mut contents = item.to_token_stream();
if outline_generated.is_some() {
contents = crate::outline_generated(contents, "hdl-enum-");
}
Ok(contents)
}

File diff suppressed because it is too large Load diff

View file

@ -13,15 +13,15 @@ use syn::{
};
mod fold;
mod hdl_bundle;
mod hdl_enum;
mod hdl_type_common;
mod module;
mod value_derive_common;
mod value_derive_enum;
mod value_derive_struct;
//mod value_derive_common;
//mod value_derive_struct;
mod kw {
pub(crate) use syn::token::{
Enum as enum_, Extern as extern_, Static as static_, Struct as struct_, Where as where_,
};
pub(crate) use syn::token::{Enum as enum_, Extern as extern_, Struct as struct_};
macro_rules! custom_keyword {
($kw:ident) => {
@ -43,6 +43,7 @@ mod kw {
custom_keyword!(clock_domain);
custom_keyword!(connect_inexact);
custom_keyword!(custom_bounds);
custom_keyword!(flip);
custom_keyword!(hdl);
custom_keyword!(input);
@ -52,6 +53,8 @@ mod kw {
custom_keyword!(memory_array);
custom_keyword!(memory_with_init);
custom_keyword!(no_reset);
custom_keyword!(no_runtime_generics);
custom_keyword!(no_static);
custom_keyword!(outline_generated);
custom_keyword!(output);
custom_keyword!(reg_builder);
@ -519,6 +522,26 @@ macro_rules! impl_extra_traits_for_options {
) => {
impl Copy for $option_enum_name {}
impl PartialEq for $option_enum_name {
fn eq(&self, other: &Self) -> bool {
self.cmp(other).is_eq()
}
}
impl Eq for $option_enum_name {}
impl PartialOrd for $option_enum_name {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
Some(self.cmp(other))
}
}
impl Ord for $option_enum_name {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
self.variant().cmp(&other.variant())
}
}
impl quote::IdentFragment for $option_enum_name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
let _ = f;
@ -554,6 +577,66 @@ pub(crate) use impl_extra_traits_for_options;
macro_rules! options {
(
#[options = $options_name:ident]
$($tt:tt)*
) => {
crate::options! {
#[options = $options_name, punct = syn::Token![,], allow_duplicates = false]
$($tt)*
}
};
(
#[options = $options_name:ident, punct = $Punct:ty, allow_duplicates = true]
$(#[$($enum_meta:tt)*])*
$enum_vis:vis enum $option_enum_name:ident {
$($Variant:ident($key:ident $(, $value:ty)?),)*
}
) => {
crate::options! {
#[options = $options_name, punct = $Punct, allow_duplicates = (true)]
$(#[$($enum_meta)*])*
$enum_vis enum $option_enum_name {
$($Variant($key $(, $value)?),)*
}
}
impl Extend<$option_enum_name> for $options_name {
fn extend<T: IntoIterator<Item = $option_enum_name>>(&mut self, iter: T) {
iter.into_iter().for_each(|v| match v {
$($option_enum_name::$Variant(v) => {
self.$key = Some(v);
})*
});
}
}
impl FromIterator<$option_enum_name> for $options_name {
fn from_iter<T: IntoIterator<Item = $option_enum_name>>(iter: T) -> Self {
let mut retval = Self::default();
retval.extend(iter);
retval
}
}
impl Extend<$options_name> for $options_name {
fn extend<T: IntoIterator<Item = $options_name>>(&mut self, iter: T) {
iter.into_iter().for_each(|v| {
$(if let Some(v) = v.$key {
self.$key = Some(v);
})*
});
}
}
impl FromIterator<$options_name> for $options_name {
fn from_iter<T: IntoIterator<Item = $options_name>>(iter: T) -> Self {
let mut retval = Self::default();
retval.extend(iter);
retval
}
}
};
(
#[options = $options_name:ident, punct = $Punct:ty, allow_duplicates = $allow_duplicates:expr]
$(#[$($enum_meta:tt)*])*
$enum_vis:vis enum $option_enum_name:ident {
$($Variant:ident($key:ident $(, $value:ty)?),)*
@ -567,8 +650,11 @@ macro_rules! options {
}
#[derive(Clone, Debug, Default)]
#[allow(non_snake_case)]
$enum_vis struct $options_name {
$($enum_vis $key: Option<(crate::kw::$key, $(syn::token::Paren, $value)?)>,)*
$(
$enum_vis $key: Option<(crate::kw::$key, $(syn::token::Paren, $value)?)>,
)*
}
crate::fold::impl_fold! {
@ -577,6 +663,43 @@ macro_rules! options {
}
}
const _: () = {
#[derive(Clone, Debug)]
$enum_vis struct Iter($enum_vis $options_name);
impl IntoIterator for $options_name {
type Item = $option_enum_name;
type IntoIter = Iter;
fn into_iter(self) -> Self::IntoIter {
Iter(self)
}
}
impl Iterator for Iter {
type Item = $option_enum_name;
fn next(&mut self) -> Option<Self::Item> {
$(
if let Some(value) = self.0.$key.take() {
return Some($option_enum_name::$Variant(value));
}
)*
None
}
#[allow(unused_mut, unused_variables)]
fn fold<B, F: FnMut(B, Self::Item) -> B>(mut self, mut init: B, mut f: F) -> B {
$(
if let Some(value) = self.0.$key.take() {
init = f(init, $option_enum_name::$Variant(value));
}
)*
init
}
}
};
impl syn::parse::Parse for $options_name {
fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
#![allow(unused_mut, unused_variables, unreachable_code)]
@ -585,7 +708,7 @@ macro_rules! options {
let old_input = input.fork();
match input.parse::<$option_enum_name>()? {
$($option_enum_name::$Variant(v) => {
if retval.$key.replace(v).is_some() {
if retval.$key.replace(v).is_some() && !$allow_duplicates {
return Err(old_input.error(concat!("duplicate ", stringify!($key), " option")));
}
})*
@ -593,7 +716,7 @@ macro_rules! options {
if input.is_empty() {
break;
}
input.parse::<syn::Token![,]>()?;
input.parse::<$Punct>()?;
}
Ok(retval)
}
@ -602,7 +725,7 @@ macro_rules! options {
impl quote::ToTokens for $options_name {
#[allow(unused_mut, unused_variables, unused_assignments)]
fn to_tokens(&self, tokens: &mut proc_macro2::TokenStream) {
let mut separator: Option<syn::Token![,]> = None;
let mut separator: Option<$Punct> = None;
$(if let Some(v) = &self.$key {
separator.to_tokens(tokens);
separator = Some(Default::default());
@ -673,6 +796,20 @@ macro_rules! options {
}
}
}
impl $option_enum_name {
#[allow(dead_code)]
fn variant(&self) -> usize {
#[repr(usize)]
enum Variant {
$($Variant,)*
__Last, // so it doesn't complain about zero-variant enums
}
match *self {
$(Self::$Variant(..) => Variant::$Variant as usize,)*
}
}
}
};
}
@ -686,6 +823,15 @@ pub(crate) fn outline_generated(contents: TokenStream, prefix: &str) -> TokenStr
.suffix(".tmp.rs")
.tempfile_in(out_dir)
.unwrap();
struct PrintOnPanic<'a>(&'a TokenStream);
impl Drop for PrintOnPanic<'_> {
fn drop(&mut self) {
if std::thread::panicking() {
println!("{}", self.0);
}
}
}
let _print_on_panic = PrintOnPanic(&contents);
let contents = prettyplease::unparse(&parse_quote! { #contents });
let hash = <sha2::Sha256 as sha2::Digest>::digest(&contents);
let hash = base16ct::HexDisplay(&hash[..5]);
@ -706,7 +852,7 @@ pub(crate) fn outline_generated(contents: TokenStream, prefix: &str) -> TokenStr
}
}
pub fn module(attr: TokenStream, item: TokenStream) -> syn::Result<TokenStream> {
pub fn hdl_module(attr: TokenStream, item: TokenStream) -> syn::Result<TokenStream> {
let options = syn::parse2::<module::ConfigOptions>(attr)?;
let options = HdlAttr::from(options);
let func = syn::parse2::<module::ModuleFn>(quote! { #options #item })?;
@ -717,14 +863,14 @@ pub fn module(attr: TokenStream, item: TokenStream) -> syn::Result<TokenStream>
Ok(contents)
}
pub fn value_derive(item: TokenStream) -> syn::Result<TokenStream> {
let item = syn::parse2::<Item>(item)?;
pub fn hdl_attr(attr: TokenStream, item: TokenStream) -> syn::Result<TokenStream> {
let item = syn::parse2::<Item>(quote! { #[hdl(#attr)] #item })?;
match item {
Item::Enum(item) => value_derive_enum::value_derive_enum(item),
Item::Struct(item) => value_derive_struct::value_derive_struct(item),
Item::Enum(item) => hdl_enum::hdl_enum(item),
Item::Struct(item) => hdl_bundle::hdl_bundle(item),
_ => Err(syn::Error::new(
Span::call_site(),
"derive(Value) can only be used on structs or enums",
"top-level #[hdl] can only be used on structs or enums",
)),
}
}

View file

@ -1,7 +1,6 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{
is_hdl_attr,
module::transform_body::{HdlLet, HdlLetKindIO},
options, Errors, HdlAttr, PairsIterExt,
};
@ -57,13 +56,6 @@ impl Visit<'_> for CheckNameConflictsWithModuleBuilderVisitor<'_> {
}
}
fn retain_struct_attrs<F: FnMut(&Attribute) -> bool>(item: &mut ItemStruct, mut f: F) {
item.attrs.retain(&mut f);
for field in item.fields.iter_mut() {
field.attrs.retain(&mut f);
}
}
pub(crate) type ModuleIO = HdlLet<HdlLetKindIO>;
pub(crate) struct ModuleFn {
@ -284,7 +276,7 @@ impl ModuleFn {
body_sig.ident = parse_quote! {__body};
body_sig.inputs.insert(
0,
parse_quote! {m: &mut ::fayalite::module::ModuleBuilder<#struct_ty, #module_kind_ty>},
parse_quote! {m: &mut ::fayalite::module::ModuleBuilder<#module_kind_ty>},
);
let body_fn = ItemFn {
attrs: vec![],
@ -312,32 +304,15 @@ impl ModuleFn {
#body_fn
::fayalite::module::ModuleBuilder::run(#fn_name_str, |m| __body #body_turbofish_type_generics(m, #(#param_names,)*))
}};
let static_type = io.iter().all(|io| io.kind.ty_expr.is_none());
let struct_options = if static_type {
quote! { #[hdl(static)] }
} else {
quote! {}
};
let the_struct: ItemStruct = parse_quote! {
#[derive(::fayalite::__std::clone::Clone,
::fayalite::__std::hash::Hash,
::fayalite::__std::cmp::PartialEq,
::fayalite::__std::cmp::Eq,
::fayalite::__std::fmt::Debug)]
#[allow(non_camel_case_types)]
#struct_options
#[hdl(no_runtime_generics)]
#vis struct #fn_name #struct_generics #struct_where_clause {
#(
#io_flips
#vis #io_names: #io_types,)*
}
};
let mut struct_without_hdl_attrs = the_struct.clone();
let mut struct_without_derives = the_struct;
retain_struct_attrs(&mut struct_without_hdl_attrs, |attr| !is_hdl_attr(attr));
retain_struct_attrs(&mut struct_without_derives, |attr| {
!attr.path().is_ident("derive")
});
let outer_fn = ItemFn {
attrs,
vis,
@ -345,10 +320,7 @@ impl ModuleFn {
block,
};
let mut retval = outer_fn.into_token_stream();
struct_without_hdl_attrs.to_tokens(&mut retval);
retval.extend(
crate::value_derive_struct::value_derive_struct(struct_without_derives).unwrap(),
);
retval.extend(crate::hdl_bundle::hdl_bundle(the_struct).unwrap());
retval
}
}

View file

@ -1006,7 +1006,7 @@ fn wrap_ty_with_expr(ty: impl ToTokens) -> Type {
fn unwrap_or_static_type(expr: Option<impl ToTokens>, span: Span) -> TokenStream {
expr.map(ToTokens::into_token_stream).unwrap_or_else(|| {
quote_spanned! {span=>
::fayalite::ty::StaticType::static_type()
::fayalite::ty::StaticType::TYPE
}
})
}
@ -1290,7 +1290,10 @@ impl Visitor {
memory,
paren,
ty_expr,
} => (paren, unwrap_or_static_type(ty_expr.as_ref(), memory.span())),
} => (
paren,
unwrap_or_static_type(ty_expr.as_ref(), memory.span()),
),
MemoryFn::MemoryArray {
memory_array,
paren,

View file

@ -1,761 +0,0 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{fold::impl_fold, kw, Errors, HdlAttr};
use proc_macro2::{Span, TokenStream};
use quote::{format_ident, quote, quote_spanned, ToTokens};
use std::collections::{BTreeMap, HashMap, HashSet};
use syn::{
fold::{fold_generics, Fold},
parse::{Parse, ParseStream},
parse_quote, parse_quote_spanned,
punctuated::Punctuated,
spanned::Spanned,
token::{Brace, Paren, Where},
Block, ConstParam, Expr, Field, Fields, FieldsNamed, FieldsUnnamed, GenericParam, Generics,
Ident, Index, ItemImpl, Lifetime, LifetimeParam, Member, Path, Token, Type, TypeParam,
TypePath, Visibility, WhereClause, WherePredicate,
};
#[derive(Clone, Debug)]
pub(crate) struct Bounds(pub(crate) Punctuated<WherePredicate, Token![,]>);
impl_fold! {
struct Bounds<>(Punctuated<WherePredicate, Token![,]>);
}
impl Parse for Bounds {
fn parse(input: ParseStream) -> syn::Result<Self> {
Ok(Bounds(Punctuated::parse_terminated(input)?))
}
}
impl From<Option<WhereClause>> for Bounds {
fn from(value: Option<WhereClause>) -> Self {
Self(value.map_or_else(Punctuated::new, |v| v.predicates))
}
}
impl ToTokens for Bounds {
fn to_tokens(&self, tokens: &mut TokenStream) {
self.0.to_tokens(tokens)
}
}
#[derive(Debug, Clone)]
pub(crate) struct ParsedField<O> {
pub(crate) options: HdlAttr<O>,
pub(crate) vis: Visibility,
pub(crate) name: Member,
pub(crate) ty: Type,
}
impl<O> ParsedField<O> {
pub(crate) fn var_name(&self) -> Ident {
format_ident!("__v_{}", self.name)
}
}
pub(crate) fn get_field_name(
index: usize,
name: Option<Ident>,
ty_span: impl FnOnce() -> Span,
) -> Member {
match name {
Some(name) => Member::Named(name),
None => Member::Unnamed(Index {
index: index as _,
span: ty_span(),
}),
}
}
pub(crate) fn get_field_names(fields: &Fields) -> impl Iterator<Item = Member> + '_ {
fields
.iter()
.enumerate()
.map(|(index, field)| get_field_name(index, field.ident.clone(), || field.ty.span()))
}
impl<O: Parse + Default> ParsedField<O> {
pub(crate) fn parse_fields(
errors: &mut Errors,
fields: &mut Fields,
in_enum: bool,
) -> (FieldsKind, Vec<ParsedField<O>>) {
let mut unit_fields = Punctuated::new();
let (fields_kind, fields) = match fields {
Fields::Named(fields) => (FieldsKind::Named(fields.brace_token), &mut fields.named),
Fields::Unnamed(fields) => {
(FieldsKind::Unnamed(fields.paren_token), &mut fields.unnamed)
}
Fields::Unit => (FieldsKind::Unit, &mut unit_fields),
};
let fields = fields
.iter_mut()
.enumerate()
.map(|(index, field)| {
let options = errors
.unwrap_or_default(HdlAttr::parse_and_take_attr(&mut field.attrs))
.unwrap_or_default();
let name = get_field_name(index, field.ident.clone(), || field.ty.span());
if in_enum && !matches!(field.vis, Visibility::Inherited) {
errors.error(&field.vis, "field visibility not allowed in enums");
}
ParsedField {
options,
vis: field.vis.clone(),
name,
ty: field.ty.clone(),
}
})
.collect();
(fields_kind, fields)
}
}
#[derive(Copy, Clone, Debug)]
pub(crate) enum FieldsKind {
Unit,
Named(Brace),
Unnamed(Paren),
}
impl FieldsKind {
pub(crate) fn into_fields_named(
brace_token: Brace,
fields: impl IntoIterator<Item = syn::Field>,
) -> Fields {
Fields::Named(FieldsNamed {
brace_token,
named: Punctuated::from_iter(fields),
})
}
pub(crate) fn into_fields_unnamed(
paren_token: Paren,
fields: impl IntoIterator<Item = syn::Field>,
) -> Fields {
Fields::Unnamed(FieldsUnnamed {
paren_token,
unnamed: Punctuated::from_iter(fields),
})
}
pub(crate) fn into_fields(self, fields: impl IntoIterator<Item = syn::Field>) -> Fields {
match self {
FieldsKind::Unit => {
let mut fields = fields.into_iter().peekable();
let Some(first_field) = fields.peek() else {
return Fields::Unit;
};
if first_field.ident.is_some() {
Self::into_fields_named(Default::default(), fields)
} else {
Self::into_fields_unnamed(Default::default(), fields)
}
}
FieldsKind::Named(brace_token) => Self::into_fields_named(brace_token, fields),
FieldsKind::Unnamed(paren_token) => Self::into_fields_unnamed(paren_token, fields),
}
}
}
pub(crate) fn get_target(target: &Option<(kw::target, Paren, Path)>, item_ident: &Ident) -> Path {
match target {
Some((_, _, target)) => target.clone(),
None => item_ident.clone().into(),
}
}
pub(crate) struct ValueDeriveGenerics {
pub(crate) generics: Generics,
pub(crate) static_type_generics: Generics,
}
impl ValueDeriveGenerics {
pub(crate) fn get(mut generics: Generics, where_: &Option<(Where, Paren, Bounds)>) -> Self {
let mut static_type_generics = generics.clone();
if let Some((_, _, bounds)) = where_ {
generics
.make_where_clause()
.predicates
.extend(bounds.0.iter().cloned());
static_type_generics
.where_clause
.clone_from(&generics.where_clause);
} else {
let type_params = Vec::from_iter(generics.type_params().map(|v| v.ident.clone()));
let predicates = &mut generics.make_where_clause().predicates;
let static_type_predicates = &mut static_type_generics.make_where_clause().predicates;
for type_param in type_params {
predicates.push(parse_quote! {#type_param: ::fayalite::ty::Value<Type: ::fayalite::ty::Type<Value = #type_param>>});
static_type_predicates
.push(parse_quote! {#type_param: ::fayalite::ty::StaticValue});
}
}
Self {
generics,
static_type_generics,
}
}
}
pub(crate) fn derive_clone_hash_eq_partialeq_for_struct<Name: ToTokens>(
the_struct_ident: &Ident,
generics: &Generics,
field_names: &[Name],
) -> TokenStream {
let (impl_generics, type_generics, where_clause) = generics.split_for_impl();
quote! {
#[automatically_derived]
impl #impl_generics ::fayalite::__std::clone::Clone for #the_struct_ident #type_generics
#where_clause
{
fn clone(&self) -> Self {
Self {
#(#field_names: ::fayalite::__std::clone::Clone::clone(&self.#field_names),)*
}
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::__std::hash::Hash for #the_struct_ident #type_generics
#where_clause
{
#[allow(unused_variables)]
fn hash<__H: ::fayalite::__std::hash::Hasher>(&self, hasher: &mut __H) {
#(::fayalite::__std::hash::Hash::hash(&self.#field_names, hasher);)*
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::__std::cmp::Eq for #the_struct_ident #type_generics
#where_clause
{
}
#[automatically_derived]
impl #impl_generics ::fayalite::__std::cmp::PartialEq for #the_struct_ident #type_generics
#where_clause
{
#[allow(unused_variables)]
#[allow(clippy::nonminimal_bool)]
fn eq(&self, other: &Self) -> ::fayalite::__std::primitive::bool {
true #(&& ::fayalite::__std::cmp::PartialEq::eq(
&self.#field_names,
&other.#field_names,
))*
}
}
}
}
pub(crate) fn append_field(fields: &mut Fields, mut field: Field) -> Member {
let ident = field.ident.clone().expect("ident is supplied");
match fields {
Fields::Named(FieldsNamed { named, .. }) => {
named.push(field);
Member::Named(ident)
}
Fields::Unnamed(FieldsUnnamed { unnamed, .. }) => {
field.ident = None;
field.colon_token = None;
let index = unnamed.len();
unnamed.push(field);
Member::Unnamed(index.into())
}
Fields::Unit => {
*fields = Fields::Named(FieldsNamed {
brace_token: Default::default(),
named: Punctuated::from_iter([field]),
});
Member::Named(ident)
}
}
}
#[derive(Clone, Debug)]
pub(crate) struct BuilderField {
pub(crate) names: HashSet<Member>,
pub(crate) mapped_value: Expr,
pub(crate) mapped_type: Type,
pub(crate) where_clause: Option<WhereClause>,
pub(crate) builder_field_name: Ident,
pub(crate) type_param: Ident,
}
#[derive(Debug)]
pub(crate) struct Builder {
struct_name: Ident,
vis: Visibility,
fields: BTreeMap<String, BuilderField>,
}
#[derive(Debug)]
pub(crate) struct BuilderWithFields {
struct_name: Ident,
vis: Visibility,
phantom_type_param: Ident,
phantom_type_field: Ident,
fields: Vec<(String, BuilderField)>,
}
impl Builder {
pub(crate) fn new(struct_name: Ident, vis: Visibility) -> Self {
Self {
struct_name,
vis,
fields: BTreeMap::new(),
}
}
pub(crate) fn insert_field(
&mut self,
name: Member,
map_value: impl FnOnce(&Ident) -> Expr,
map_type: impl FnOnce(&Ident) -> Type,
where_clause: impl FnOnce(&Ident) -> Option<WhereClause>,
) {
self.fields
.entry(name.to_token_stream().to_string())
.or_insert_with_key(|name| {
let builder_field_name =
format_ident!("field_{}", name, span = self.struct_name.span());
let type_param = format_ident!("__T_{}", name, span = self.struct_name.span());
BuilderField {
names: HashSet::new(),
mapped_value: map_value(&builder_field_name),
mapped_type: map_type(&type_param),
where_clause: where_clause(&type_param),
builder_field_name,
type_param,
}
})
.names
.insert(name);
}
pub(crate) fn finish_filling_in_fields(self) -> BuilderWithFields {
let Self {
struct_name,
vis,
fields,
} = self;
let fields = Vec::from_iter(fields);
BuilderWithFields {
phantom_type_param: Ident::new("__Phantom", struct_name.span()),
phantom_type_field: Ident::new("__phantom", struct_name.span()),
struct_name,
vis,
fields,
}
}
}
impl BuilderWithFields {
pub(crate) fn get_field(&self, name: &Member) -> Option<(usize, &BuilderField)> {
let index = self
.fields
.binary_search_by_key(&&*name.to_token_stream().to_string(), |v| &*v.0)
.ok()?;
Some((index, &self.fields[index].1))
}
pub(crate) fn ty(
&self,
specified_fields: impl IntoIterator<Item = (Member, Type)>,
phantom_type: Option<&Type>,
other_fields_are_any_type: bool,
) -> TypePath {
let Self {
struct_name,
vis: _,
phantom_type_param,
phantom_type_field: _,
fields,
} = self;
let span = struct_name.span();
let mut arguments =
Vec::from_iter(fields.iter().map(|(_, BuilderField { type_param, .. })| {
if other_fields_are_any_type {
parse_quote_spanned! {span=>
#type_param
}
} else {
parse_quote_spanned! {span=>
()
}
}
}));
for (name, ty) in specified_fields {
let Some((index, _)) = self.get_field(&name) else {
panic!("field not found: {}", name.to_token_stream());
};
arguments[index] = ty;
}
let phantom_type_param = phantom_type.is_none().then_some(phantom_type_param);
parse_quote_spanned! {span=>
#struct_name::<#phantom_type_param #phantom_type #(, #arguments)*>
}
}
pub(crate) fn append_generics(
&self,
specified_fields: impl IntoIterator<Item = Member>,
has_phantom_type_param: bool,
other_fields_are_any_type: bool,
generics: &mut Generics,
) {
let Self {
struct_name: _,
vis: _,
phantom_type_param,
phantom_type_field: _,
fields,
} = self;
if has_phantom_type_param {
generics.params.push(GenericParam::from(TypeParam::from(
phantom_type_param.clone(),
)));
}
if !other_fields_are_any_type {
return;
}
let mut type_params = Vec::from_iter(
fields
.iter()
.map(|(_, BuilderField { type_param, .. })| Some(type_param)),
);
for name in specified_fields {
let Some((index, _)) = self.get_field(&name) else {
panic!("field not found: {}", name.to_token_stream());
};
type_params[index] = None;
}
generics.params.extend(
type_params
.into_iter()
.filter_map(|v| Some(GenericParam::from(TypeParam::from(v?.clone())))),
);
}
pub(crate) fn make_build_method(
&self,
build_fn_name: &Ident,
specified_fields: impl IntoIterator<Item = (Member, Type)>,
generics: &Generics,
phantom_type: &Type,
return_ty: &Type,
mut body: Block,
) -> ItemImpl {
let Self {
struct_name,
vis,
phantom_type_param: _,
phantom_type_field,
fields,
} = self;
let span = struct_name.span();
let field_names = Vec::from_iter(fields.iter().map(|v| &v.1.builder_field_name));
let (impl_generics, _type_generics, where_clause) = generics.split_for_impl();
let empty_arg = parse_quote_spanned! {span=>
()
};
let mut ty_arguments = vec![empty_arg; fields.len()];
let empty_field_pat = quote_spanned! {span=>
: _
};
let mut field_pats = vec![Some(empty_field_pat); fields.len()];
for (name, ty) in specified_fields {
let Some((index, _)) = self.get_field(&name) else {
panic!("field not found: {}", name.to_token_stream());
};
ty_arguments[index] = ty;
field_pats[index] = None;
}
body.stmts.insert(
0,
parse_quote_spanned! {span=>
let Self {
#(#field_names #field_pats,)*
#phantom_type_field: _,
} = self;
},
);
parse_quote_spanned! {span=>
#[automatically_derived]
impl #impl_generics #struct_name<#phantom_type #(, #ty_arguments)*>
#where_clause
{
#[allow(non_snake_case, dead_code)]
#vis fn #build_fn_name(self) -> #return_ty
#body
}
}
}
}
impl ToTokens for BuilderWithFields {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Self {
struct_name,
vis,
phantom_type_param,
phantom_type_field,
fields,
} = self;
let span = struct_name.span();
let mut any_generics = Generics::default();
self.append_generics([], true, true, &mut any_generics);
let empty_ty = self.ty([], None, false);
let field_names = Vec::from_iter(fields.iter().map(|v| &v.1.builder_field_name));
let field_type_params = Vec::from_iter(fields.iter().map(|v| &v.1.type_param));
quote_spanned! {span=>
#[allow(non_camel_case_types)]
#[non_exhaustive]
#vis struct #struct_name #any_generics {
#(#field_names: #field_type_params,)*
#phantom_type_field: ::fayalite::__std::marker::PhantomData<#phantom_type_param>,
}
#[automatically_derived]
impl<#phantom_type_param> #empty_ty {
fn new() -> Self {
Self {
#(#field_names: (),)*
#phantom_type_field: ::fayalite::__std::marker::PhantomData,
}
}
}
}
.to_tokens(tokens);
for (field_index, (_, field)) in self.fields.iter().enumerate() {
let initial_fields = &fields[..field_index];
let final_fields = &fields[field_index..][1..];
let initial_type_params =
Vec::from_iter(initial_fields.iter().map(|v| &v.1.type_param));
let final_type_params = Vec::from_iter(final_fields.iter().map(|v| &v.1.type_param));
let initial_field_names =
Vec::from_iter(initial_fields.iter().map(|v| &v.1.builder_field_name));
let final_field_names =
Vec::from_iter(final_fields.iter().map(|v| &v.1.builder_field_name));
let BuilderField {
names: _,
mapped_value,
mapped_type,
where_clause,
builder_field_name,
type_param,
} = field;
quote_spanned! {span=>
#[automatically_derived]
#[allow(non_camel_case_types, dead_code)]
impl<#phantom_type_param #(, #initial_type_params)* #(, #final_type_params)*>
#struct_name<
#phantom_type_param,
#(#initial_type_params,)*
(), #(#final_type_params,)*
>
{
#vis fn #builder_field_name<#type_param>(
self,
#builder_field_name: #type_param,
) -> #struct_name<
#phantom_type_param,
#(#initial_type_params,)*
#mapped_type,
#(#final_type_params,)*
>
#where_clause
{
let Self {
#(#initial_field_names,)*
#builder_field_name: (),
#(#final_field_names,)*
#phantom_type_field: _,
} = self;
let #builder_field_name = #mapped_value;
#struct_name {
#(#field_names,)*
#phantom_type_field: ::fayalite::__std::marker::PhantomData,
}
}
}
}
.to_tokens(tokens);
}
}
}
pub(crate) struct MapIdents {
pub(crate) map: HashMap<Ident, Ident>,
}
impl Fold for &MapIdents {
fn fold_ident(&mut self, i: Ident) -> Ident {
self.map.get(&i).cloned().unwrap_or(i)
}
}
pub(crate) struct DupGenerics<M> {
pub(crate) combined: Generics,
pub(crate) maps: M,
}
pub(crate) fn merge_punctuated<T, P: Default>(
target: &mut Punctuated<T, P>,
source: Punctuated<T, P>,
make_punct: impl FnOnce() -> P,
) {
if source.is_empty() {
return;
}
if target.is_empty() {
*target = source;
return;
}
if !target.trailing_punct() {
target.push_punct(make_punct());
}
target.extend(source.into_pairs());
}
pub(crate) fn merge_generics(target: &mut Generics, source: Generics) {
let Generics {
lt_token,
params,
gt_token,
where_clause,
} = source;
let span = lt_token.map(|v| v.span).unwrap_or_else(|| params.span());
target.lt_token = target.lt_token.or(lt_token);
merge_punctuated(&mut target.params, params, || Token![,](span));
target.gt_token = target.gt_token.or(gt_token);
if let Some(where_clause) = where_clause {
if let Some(target_where_clause) = &mut target.where_clause {
let WhereClause {
where_token,
predicates,
} = where_clause;
let span = where_token.span;
target_where_clause.where_token = where_token;
merge_punctuated(&mut target_where_clause.predicates, predicates, || {
Token![,](span)
});
} else {
target.where_clause = Some(where_clause);
}
}
}
impl DupGenerics<Vec<MapIdents>> {
pub(crate) fn new_dyn(generics: &Generics, count: usize) -> Self {
let mut maps = Vec::from_iter((0..count).map(|_| MapIdents {
map: HashMap::new(),
}));
for param in &generics.params {
let (GenericParam::Lifetime(LifetimeParam {
lifetime: Lifetime { ident, .. },
..
})
| GenericParam::Type(TypeParam { ident, .. })
| GenericParam::Const(ConstParam { ident, .. })) = param;
for (i, map_idents) in maps.iter_mut().enumerate() {
map_idents
.map
.insert(ident.clone(), format_ident!("__{}_{}", ident, i));
}
}
let mut combined = Generics::default();
for map_idents in maps.iter() {
merge_generics(
&mut combined,
fold_generics(&mut { map_idents }, generics.clone()),
);
}
Self { combined, maps }
}
}
impl<const COUNT: usize> DupGenerics<[MapIdents; COUNT]> {
pub(crate) fn new(generics: &Generics) -> Self {
let DupGenerics { combined, maps } = DupGenerics::new_dyn(generics, COUNT);
Self {
combined,
maps: maps.try_into().ok().unwrap(),
}
}
}
pub(crate) fn add_where_predicate(
target: &mut Generics,
span: Span,
where_predicate: WherePredicate,
) {
let WhereClause {
where_token: _,
predicates,
} = target.where_clause.get_or_insert_with(|| WhereClause {
where_token: Token![where](span),
predicates: Punctuated::new(),
});
if !predicates.empty_or_trailing() {
predicates.push_punct(Token![,](span));
}
predicates.push_value(where_predicate);
}
pub(crate) fn make_connect_impl(
connect_inexact: Option<(crate::kw::connect_inexact,)>,
generics: &Generics,
ty_ident: &Ident,
field_types: impl IntoIterator<Item = Type>,
) -> TokenStream {
let span = ty_ident.span();
let impl_generics;
let combined_generics;
let where_clause;
let lhs_generics;
let lhs_type_generics;
let rhs_generics;
let rhs_type_generics;
if connect_inexact.is_some() {
let DupGenerics {
mut combined,
maps: [lhs_map, rhs_map],
} = DupGenerics::new(generics);
for field_type in field_types {
let lhs_type = (&lhs_map).fold_type(field_type.clone());
let rhs_type = (&rhs_map).fold_type(field_type);
add_where_predicate(
&mut combined,
span,
parse_quote_spanned! {span=>
#lhs_type: ::fayalite::ty::Connect<#rhs_type>
},
);
}
combined_generics = combined;
(impl_generics, _, where_clause) = combined_generics.split_for_impl();
lhs_generics = (&lhs_map).fold_generics(generics.clone());
(_, lhs_type_generics, _) = lhs_generics.split_for_impl();
rhs_generics = (&rhs_map).fold_generics(generics.clone());
(_, rhs_type_generics, _) = rhs_generics.split_for_impl();
} else {
let mut generics = generics.clone();
for field_type in field_types {
add_where_predicate(
&mut generics,
span,
parse_quote_spanned! {span=>
#field_type: ::fayalite::ty::Connect<#field_type>
},
);
}
combined_generics = generics;
(impl_generics, lhs_type_generics, where_clause) = combined_generics.split_for_impl();
rhs_type_generics = lhs_type_generics.clone();
}
quote_spanned! {span=>
#[automatically_derived]
#[allow(non_camel_case_types)]
impl #impl_generics ::fayalite::ty::Connect<#ty_ident #rhs_type_generics>
for #ty_ident #lhs_type_generics
#where_clause
{
}
}
}

View file

@ -1,969 +0,0 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{
value_derive_common::{
append_field, derive_clone_hash_eq_partialeq_for_struct, get_field_names, get_target,
make_connect_impl, Bounds, Builder, FieldsKind, ParsedField, ValueDeriveGenerics,
},
value_derive_struct::{self, ParsedStruct, ParsedStructNames, StructOptions},
Errors, HdlAttr,
};
use proc_macro2::TokenStream;
use quote::{format_ident, quote, quote_spanned, ToTokens};
use syn::{
parse_quote, parse_quote_spanned, punctuated::Punctuated, spanned::Spanned, token::Brace,
Field, FieldMutability, Fields, FieldsNamed, Generics, Ident, Index, ItemEnum, ItemStruct,
Member, Path, Token, Type, Variant, Visibility,
};
crate::options! {
#[options = EnumOptions]
enum EnumOption {
OutlineGenerated(outline_generated),
ConnectInexact(connect_inexact),
Bounds(where_, Bounds),
Target(target, Path),
}
}
crate::options! {
#[options = VariantOptions]
enum VariantOption {}
}
crate::options! {
#[options = FieldOptions]
enum FieldOption {}
}
enum VariantValue {
None,
Direct {
value_type: Type,
},
Struct {
value_struct: ItemStruct,
parsed_struct: ParsedStruct,
},
}
impl VariantValue {
fn is_none(&self) -> bool {
matches!(self, Self::None)
}
fn value_ty(&self) -> Option<Type> {
match self {
VariantValue::None => None,
VariantValue::Direct { value_type } => Some(value_type.clone()),
VariantValue::Struct { value_struct, .. } => {
let (_, type_generics, _) = value_struct.generics.split_for_impl();
let ident = &value_struct.ident;
Some(parse_quote! { #ident #type_generics })
}
}
}
}
struct ParsedVariant {
options: HdlAttr<VariantOptions>,
ident: Ident,
fields_kind: FieldsKind,
fields: Vec<ParsedField<FieldOptions>>,
value: VariantValue,
}
impl ParsedVariant {
fn parse(
errors: &mut Errors,
variant: Variant,
enum_options: &EnumOptions,
enum_vis: &Visibility,
enum_ident: &Ident,
enum_generics: &Generics,
) -> Self {
let target = get_target(&enum_options.target, enum_ident);
let Variant {
mut attrs,
ident,
fields,
discriminant,
} = variant;
if let Some((eq, _)) = discriminant {
errors.error(eq, "#[derive(Value)]: discriminants not allowed");
}
let variant_options = errors
.unwrap_or_default(HdlAttr::parse_and_take_attr(&mut attrs))
.unwrap_or_default();
let (fields_kind, parsed_fields) =
ParsedField::parse_fields(errors, &mut fields.clone(), true);
let value = match (&fields_kind, &*parsed_fields) {
(FieldsKind::Unit, _) => VariantValue::None,
(
FieldsKind::Unnamed(_),
[ParsedField {
options,
vis: _,
name: Member::Unnamed(Index { index: 0, span: _ }),
ty,
}],
) => {
let FieldOptions {} = options.body;
VariantValue::Direct {
value_type: ty.clone(),
}
}
_ => {
let variant_value_struct_ident =
format_ident!("__{}__{}", enum_ident, ident, span = ident.span());
let variant_type_struct_ident =
format_ident!("__{}__{}__Type", enum_ident, ident, span = ident.span());
let mut value_struct_fields = fields.clone();
let (_, type_generics, _) = enum_generics.split_for_impl();
append_field(
&mut value_struct_fields,
Field {
attrs: vec![HdlAttr::from(value_derive_struct::FieldOptions {
flip: None,
skip: Some(Default::default()),
})
.to_attr()],
vis: enum_vis.clone(),
mutability: FieldMutability::None,
ident: Some(Ident::new("__phantom", ident.span())),
colon_token: None,
ty: parse_quote_spanned! {ident.span()=>
::fayalite::__std::marker::PhantomData<#target #type_generics>
},
},
);
let (value_struct_fields_kind, value_struct_parsed_fields) =
ParsedField::parse_fields(errors, &mut value_struct_fields, false);
let value_struct = ItemStruct {
attrs: vec![parse_quote! { #[allow(non_camel_case_types)] }],
vis: enum_vis.clone(),
struct_token: Token![struct](ident.span()),
ident: variant_value_struct_ident.clone(),
generics: enum_generics.clone(),
fields: value_struct_fields,
semi_token: None,
};
VariantValue::Struct {
value_struct,
parsed_struct: ParsedStruct {
options: StructOptions {
outline_generated: None,
static_: Some(Default::default()),
where_: Some((
Default::default(),
Default::default(),
ValueDeriveGenerics::get(
enum_generics.clone(),
&enum_options.where_,
)
.static_type_generics
.where_clause
.into(),
)),
target: None,
connect_inexact: enum_options.connect_inexact,
}
.into(),
vis: enum_vis.clone(),
struct_token: Default::default(),
generics: enum_generics.clone(),
fields_kind: value_struct_fields_kind,
fields: value_struct_parsed_fields,
semi_token: None, // it will fill in the semicolon if needed
skip_check_fields: true,
names: ParsedStructNames {
ident: variant_value_struct_ident.clone(),
type_struct_debug_ident: Some(format!("{enum_ident}::{ident}::Type")),
type_struct_ident: variant_type_struct_ident,
match_variant_ident: None,
builder_struct_ident: None,
mask_match_variant_ident: None,
mask_type_ident: None,
mask_type_debug_ident: Some(format!(
"AsMask<{enum_ident}::{ident}>::Type"
)),
mask_value_ident: None,
mask_value_debug_ident: Some(format!("AsMask<{enum_ident}::{ident}>")),
mask_builder_struct_ident: None,
},
},
}
}
};
ParsedVariant {
options: variant_options,
ident,
fields_kind,
fields: parsed_fields,
value,
}
}
}
struct ParsedEnum {
options: HdlAttr<EnumOptions>,
vis: Visibility,
enum_token: Token![enum],
ident: Ident,
generics: Generics,
brace_token: Brace,
variants: Vec<ParsedVariant>,
}
impl ParsedEnum {
fn parse(item: ItemEnum) -> syn::Result<Self> {
let ItemEnum {
mut attrs,
vis,
enum_token,
ident,
generics,
brace_token,
variants,
} = item;
let mut errors = Errors::new();
let enum_options = errors
.unwrap_or_default(HdlAttr::parse_and_take_attr(&mut attrs))
.unwrap_or_default();
let variants = variants
.into_iter()
.map(|variant| {
ParsedVariant::parse(
&mut errors,
variant,
&enum_options.body,
&vis,
&ident,
&generics,
)
})
.collect();
errors.finish()?;
Ok(ParsedEnum {
options: enum_options,
vis,
enum_token,
ident,
generics,
brace_token,
variants,
})
}
}
impl ToTokens for ParsedEnum {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Self {
options,
vis,
enum_token,
ident: enum_ident,
generics: enum_generics,
brace_token,
variants,
} = self;
let EnumOptions {
outline_generated: _,
connect_inexact,
where_,
target,
} = &options.body;
let target = get_target(target, enum_ident);
let ValueDeriveGenerics {
generics: _,
static_type_generics,
} = ValueDeriveGenerics::get(enum_generics.clone(), where_);
let (static_type_impl_generics, static_type_type_generics, static_type_where_clause) =
static_type_generics.split_for_impl();
let type_struct_ident = format_ident!("__{}__Type", enum_ident);
let mut field_checks = vec![];
let mut make_type_struct_variant_type = |variant: &ParsedVariant| {
let VariantOptions {} = variant.options.body;
let (value_struct, parsed_struct) = match &variant.value {
VariantValue::None => {
return None;
}
VariantValue::Direct { value_type } => {
field_checks.push(quote_spanned! {value_type.span()=>
__check_field::<#value_type>();
});
return Some(parse_quote! { <#value_type as ::fayalite::expr::ToExpr>::Type });
}
VariantValue::Struct {
value_struct,
parsed_struct,
} => (value_struct, parsed_struct),
};
value_struct.to_tokens(tokens);
parsed_struct.to_tokens(tokens);
let mut field_names = Vec::from_iter(get_field_names(&value_struct.fields));
derive_clone_hash_eq_partialeq_for_struct(
&value_struct.ident,
&static_type_generics,
&field_names,
)
.to_tokens(tokens);
field_names = Vec::from_iter(
field_names
.into_iter()
.zip(parsed_struct.fields.iter())
.filter_map(|(member, field)| {
field.options.body.skip.is_none().then_some(member)
}),
);
let field_name_strs =
Vec::from_iter(field_names.iter().map(|v| v.to_token_stream().to_string()));
let debug_ident = format!("{enum_ident}::{}", variant.ident);
let debug_body = match variant.fields_kind {
FieldsKind::Unit => quote! {
f.debug_struct(#debug_ident).finish()
},
FieldsKind::Named(_) => quote! {
f.debug_struct(#debug_ident)
#(.field(#field_name_strs, &self.#field_names))*
.finish()
},
FieldsKind::Unnamed(_) => quote! {
f.debug_tuple(#debug_ident)#(.field(&self.#field_names))*.finish()
},
};
let value_struct_ident = &value_struct.ident;
quote! {
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::__std::fmt::Debug
for #value_struct_ident #static_type_type_generics
#static_type_where_clause
{
fn fmt(
&self,
f: &mut ::fayalite::__std::fmt::Formatter<'_>,
) -> ::fayalite::__std::fmt::Result {
#debug_body
}
}
}
.to_tokens(tokens);
Some(parse_quote! {
<
#value_struct_ident #static_type_type_generics
as ::fayalite::expr::ToExpr
>::Type
})
};
let type_struct_variants = Punctuated::from_iter(variants.iter().filter_map(|variant| {
let VariantOptions {} = variant.options.body;
Some(Field {
attrs: vec![],
vis: vis.clone(),
mutability: FieldMutability::None,
ident: Some(variant.ident.clone()),
colon_token: None, // it will fill in the colon if needed
ty: make_type_struct_variant_type(variant)?,
})
}));
let type_struct = ItemStruct {
attrs: vec![
parse_quote! {#[allow(non_camel_case_types)]},
parse_quote! {#[allow(non_snake_case)]},
],
vis: vis.clone(),
struct_token: Token![struct](enum_token.span),
ident: type_struct_ident,
generics: static_type_generics.clone(),
fields: Fields::Named(FieldsNamed {
brace_token: *brace_token,
named: type_struct_variants,
}),
semi_token: None,
};
let type_struct_ident = &type_struct.ident;
let type_struct_debug_ident = format!("{enum_ident}::Type");
type_struct.to_tokens(tokens);
let non_empty_variant_names = Vec::from_iter(
variants
.iter()
.filter(|v| !v.value.is_none())
.map(|v| v.ident.clone()),
);
let non_empty_variant_name_strs =
Vec::from_iter(non_empty_variant_names.iter().map(|v| v.to_string()));
let debug_type_body = quote! {
f.debug_struct(#type_struct_debug_ident)
#(.field(#non_empty_variant_name_strs, &self.#non_empty_variant_names))*
.finish()
};
derive_clone_hash_eq_partialeq_for_struct(
type_struct_ident,
&static_type_generics,
&non_empty_variant_names,
)
.to_tokens(tokens);
let variant_names = Vec::from_iter(variants.iter().map(|v| &v.ident));
let variant_name_strs = Vec::from_iter(variant_names.iter().map(|v| v.to_string()));
let (variant_field_pats, variant_to_canonical_values): (Vec<_>, Vec<_>) = variants
.iter()
.map(|v| {
let field_names: Vec<_> = v.fields.iter().map(|field| &field.name).collect();
let var_names: Vec<_> = v.fields.iter().map(|field| field.var_name()).collect();
let field_pats = quote! {
#(#field_names: #var_names,)*
};
let to_canonical_value = match &v.value {
VariantValue::None => quote! { ::fayalite::__std::option::Option::None },
VariantValue::Direct { .. } => {
debug_assert_eq!(var_names.len(), 1);
quote! {
::fayalite::__std::option::Option::Some(
::fayalite::ty::DynValueTrait::to_canonical_dyn(#(#var_names)*),
)
}
}
VariantValue::Struct {
value_struct,
parsed_struct,
} => {
let value_struct_ident = &value_struct.ident;
let phantom_field_name = &parsed_struct
.fields
.last()
.expect("missing phantom field")
.name;
let type_generics = static_type_type_generics.as_turbofish();
quote! {
::fayalite::__std::option::Option::Some(
::fayalite::ty::DynValueTrait::to_canonical_dyn(
&#value_struct_ident #type_generics {
#(#field_names:
::fayalite::__std::clone::Clone::clone(#var_names),)*
#phantom_field_name: ::fayalite::__std::marker::PhantomData,
},
),
)
}
}
};
(field_pats, to_canonical_value)
})
.unzip();
let mut match_enum_variants = Punctuated::new();
let mut match_enum_debug_arms = vec![];
let mut match_enum_arms = vec![];
let mut variant_vars = vec![];
let mut from_canonical_type_variant_lets = vec![];
let mut non_empty_variant_vars = vec![];
let mut enum_type_variants = vec![];
let mut enum_type_variants_hint = vec![];
let match_enum_ident = format_ident!("__{}__MatchEnum", enum_ident);
let mut builder = Builder::new(format_ident!("__{}__Builder", enum_ident), vis.clone());
for variant in variants.iter() {
for field in variant.fields.iter() {
builder.insert_field(
field.name.clone(),
|v| {
parse_quote_spanned! {v.span()=>
::fayalite::expr::ToExpr::to_expr(&#v)
}
},
|t| {
parse_quote_spanned! {t.span()=>
::fayalite::expr::Expr<<
<#t as ::fayalite::expr::ToExpr>::Type
as ::fayalite::ty::Type
>::Value>
}
},
|t| {
parse_quote_spanned! {t.span()=>
where
#t: ::fayalite::expr::ToExpr,
}
},
);
}
}
let builder = builder.finish_filling_in_fields();
builder.to_tokens(tokens);
for (variant_index, variant) in variants.iter().enumerate() {
let variant_var = format_ident!("__v_{}", variant.ident);
let variant_name = &variant.ident;
let variant_name_str = variant.ident.to_string();
match_enum_variants.push(Variant {
attrs: vec![],
ident: variant.ident.clone(),
fields: variant.fields_kind.into_fields(variant.fields.iter().map(
|ParsedField {
options,
vis,
name,
ty,
}| {
let FieldOptions {} = options.body;
Field {
attrs: vec![],
vis: vis.clone(),
mutability: FieldMutability::None,
ident: if let Member::Named(name) = name {
Some(name.clone())
} else {
None
},
colon_token: None,
ty: parse_quote! { ::fayalite::expr::Expr<#ty> },
}
},
)),
discriminant: None,
});
let match_enum_field_names = Vec::from_iter(variant.fields.iter().map(
|ParsedField {
options,
vis: _,
name,
ty: _,
}| {
let FieldOptions {} = options.body;
name
},
));
let match_enum_field_name_strs = Vec::from_iter(variant.fields.iter().map(
|ParsedField {
options,
vis: _,
name,
ty: _,
}| {
let FieldOptions {} = options.body;
name.to_token_stream().to_string()
},
));
let match_enum_debug_vars = Vec::from_iter(variant.fields.iter().map(
|ParsedField {
options,
vis: _,
name,
ty: _,
}| {
let FieldOptions {} = options.body;
format_ident!("__v_{}", name)
},
));
match_enum_debug_arms.push(match variant.fields_kind {
FieldsKind::Unit | FieldsKind::Named(_) => quote! {
Self::#variant_name {
#(#match_enum_field_names: ref #match_enum_debug_vars,)*
} => f.debug_struct(#variant_name_str)
#(.field(#match_enum_field_name_strs, #match_enum_debug_vars))*
.finish(),
},
FieldsKind::Unnamed(_) => quote! {
Self::#variant_name(
#(ref #match_enum_debug_vars,)*
) => f.debug_tuple(#variant_name_str)
#(.field(#match_enum_debug_vars))*
.finish(),
},
});
if let Some(value_ty) = variant.value.value_ty() {
from_canonical_type_variant_lets.push(quote! {
let #variant_var =
#variant_var.from_canonical_type_helper_has_value(#variant_name_str);
});
non_empty_variant_vars.push(variant_var.clone());
enum_type_variants.push(quote! {
::fayalite::enum_::VariantType {
name: ::fayalite::intern::Intern::intern(#variant_name_str),
ty: ::fayalite::__std::option::Option::Some(
::fayalite::ty::DynType::canonical_dyn(&self.#variant_name),
),
}
});
enum_type_variants_hint.push(quote! {
::fayalite::enum_::VariantType {
name: ::fayalite::intern::Intern::intern(#variant_name_str),
ty: ::fayalite::__std::option::Option::Some(
::fayalite::bundle::TypeHint::<
<#value_ty as ::fayalite::expr::ToExpr>::Type,
>::intern_dyn(),
),
}
});
} else {
from_canonical_type_variant_lets.push(quote! {
#variant_var.from_canonical_type_helper_no_value(#variant_name_str);
});
enum_type_variants.push(quote! {
::fayalite::enum_::VariantType {
name: ::fayalite::intern::Intern::intern(#variant_name_str),
ty: ::fayalite::__std::option::Option::None,
}
});
enum_type_variants_hint.push(quote! {
::fayalite::enum_::VariantType {
name: ::fayalite::intern::Intern::intern(#variant_name_str),
ty: ::fayalite::__std::option::Option::None,
}
});
}
variant_vars.push(variant_var);
match_enum_arms.push(match &variant.value {
VariantValue::None => quote! {
#variant_index => #match_enum_ident::#variant_name,
},
VariantValue::Direct { value_type } => quote! {
#variant_index => #match_enum_ident::#variant_name {
#(#match_enum_field_names)*: ::fayalite::expr::ToExpr::to_expr(
&__variant_access.downcast_unchecked::<
<#value_type as ::fayalite::expr::ToExpr>::Type>(),
),
},
},
VariantValue::Struct {
value_struct: ItemStruct { ident, .. },
..
} => quote! {
#variant_index => {
let __variant_access = ::fayalite::expr::ToExpr::to_expr(
&__variant_access.downcast_unchecked::<<
#ident #static_type_type_generics
as ::fayalite::expr::ToExpr
>::Type>(),
);
#match_enum_ident::#variant_name {
#(#match_enum_field_names:
(*__variant_access).#match_enum_field_names,)*
}
},
},
});
let builder_field_and_types = Vec::from_iter(variant.fields.iter().map(
|ParsedField {
options,
vis: _,
name,
ty,
}| {
let FieldOptions {} = options.body;
(name, ty)
},
));
let builder_field_vars = Vec::from_iter(
builder_field_and_types
.iter()
.map(|(name, _)| &builder.get_field(name).unwrap().1.builder_field_name),
);
let build_body = match &variant.value {
VariantValue::None => parse_quote! {
{
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::EnumLiteral::<
#type_struct_ident #static_type_type_generics
>::new_unchecked(
::fayalite::__std::option::Option::None,
#variant_index,
::fayalite::ty::StaticType::static_type(),
),
)
}
},
VariantValue::Direct { value_type: _ } => parse_quote! {
{
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::EnumLiteral::<
#type_struct_ident #static_type_type_generics
>::new_unchecked(
::fayalite::__std::option::Option::Some(
#(#builder_field_vars)*.to_canonical_dyn(),
),
#variant_index,
::fayalite::ty::StaticType::static_type(),
),
)
}
},
VariantValue::Struct {
parsed_struct:
ParsedStruct {
names:
ParsedStructNames {
type_struct_ident: field_type_struct_ident,
..
},
..
},
..
} => parse_quote! {
{
let __builder = <
#field_type_struct_ident #static_type_type_generics
as ::fayalite::bundle::BundleType
>::builder();
#(let __builder = __builder.#builder_field_vars(#builder_field_vars);)*
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::EnumLiteral::<
#type_struct_ident #static_type_type_generics
>::new_unchecked(
::fayalite::__std::option::Option::Some(
__builder.build().to_canonical_dyn(),
),
#variant_index,
::fayalite::ty::StaticType::static_type(),
),
)
}
},
};
builder
.make_build_method(
&format_ident!("variant_{}", variant_name),
variant.fields.iter().map(
|ParsedField {
options,
vis: _,
name,
ty,
}| {
let FieldOptions {} = options.body;
(name.clone(), parse_quote! { ::fayalite::expr::Expr<#ty> })
},
),
&static_type_generics,
&parse_quote! {#type_struct_ident #static_type_type_generics},
&parse_quote! { ::fayalite::expr::Expr<#target #static_type_type_generics> },
build_body,
)
.to_tokens(tokens);
}
let match_enum = ItemEnum {
attrs: vec![parse_quote! {#[allow(non_camel_case_types)]}],
vis: vis.clone(),
enum_token: *enum_token,
ident: match_enum_ident,
generics: static_type_generics.clone(),
brace_token: *brace_token,
variants: match_enum_variants,
};
let match_enum_ident = &match_enum.ident;
match_enum.to_tokens(tokens);
make_connect_impl(
*connect_inexact,
&static_type_generics,
type_struct_ident,
variants.iter().flat_map(|variant| {
variant.fields.iter().map(|field| {
let ty = &field.ty;
parse_quote_spanned! {field.name.span()=>
<#ty as ::fayalite::expr::ToExpr>::Type
}
})
}),
)
.to_tokens(tokens);
let variant_count = variants.len();
let empty_builder_ty = builder.ty([], Some(&parse_quote! { Self }), false);
quote! {
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::__std::fmt::Debug
for #match_enum_ident #static_type_type_generics
#static_type_where_clause
{
fn fmt(
&self,
f: &mut ::fayalite::__std::fmt::Formatter<'_>,
) -> ::fayalite::__std::fmt::Result {
match *self {
#(#match_enum_debug_arms)*
}
}
}
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::ty::StaticType
for #type_struct_ident #static_type_type_generics
#static_type_where_clause
{
fn static_type() -> Self {
Self {
#(#non_empty_variant_names: ::fayalite::ty::StaticType::static_type(),)*
}
}
}
fn __check_field<T: ::fayalite::ty::Value>()
where
<T as ::fayalite::expr::ToExpr>::Type: ::fayalite::ty::Type<Value = T>,
{}
fn __check_fields #static_type_impl_generics(_: #target #static_type_type_generics)
#static_type_where_clause
{
#(#field_checks)*
}
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::__std::fmt::Debug
for #type_struct_ident #static_type_type_generics
#static_type_where_clause
{
fn fmt(
&self,
f: &mut ::fayalite::__std::fmt::Formatter<'_>,
) -> ::fayalite::__std::fmt::Result {
#debug_type_body
}
}
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::ty::Type
for #type_struct_ident #static_type_type_generics
#static_type_where_clause
{
type CanonicalType = ::fayalite::enum_::DynEnumType;
type Value = #target #static_type_type_generics;
type CanonicalValue = ::fayalite::enum_::DynEnum;
type MaskType = ::fayalite::int::UIntType<1>;
type MaskValue = ::fayalite::int::UInt<1>;
type MatchVariant = #match_enum_ident #static_type_type_generics;
type MatchActiveScope = ::fayalite::module::Scope;
type MatchVariantAndInactiveScope =
::fayalite::enum_::EnumMatchVariantAndInactiveScope<Self>;
type MatchVariantsIter = ::fayalite::enum_::EnumMatchVariantsIter<Self>;
fn match_variants<IO: ::fayalite::bundle::BundleValue>(
this: ::fayalite::expr::Expr<<Self as ::fayalite::ty::Type>::Value>,
module_builder: &mut ::fayalite::module::ModuleBuilder<
IO,
::fayalite::module::NormalModule,
>,
source_location: ::fayalite::source_location::SourceLocation,
) -> <Self as ::fayalite::ty::Type>::MatchVariantsIter
where
<IO as ::fayalite::expr::ToExpr>::Type:
::fayalite::bundle::BundleType<Value = IO>,
{
module_builder.enum_match_variants_helper(this, source_location)
}
fn mask_type(&self) -> <Self as ::fayalite::ty::Type>::MaskType {
::fayalite::int::UIntType::new()
}
fn canonical(&self) -> <Self as ::fayalite::ty::Type>::CanonicalType {
let variants = ::fayalite::enum_::EnumType::variants(self);
::fayalite::enum_::DynEnumType::new(variants)
}
fn source_location(&self) -> ::fayalite::source_location::SourceLocation {
::fayalite::source_location::SourceLocation::caller()
}
fn type_enum(&self) -> ::fayalite::ty::TypeEnum {
::fayalite::ty::TypeEnum::EnumType(::fayalite::ty::Type::canonical(self))
}
#[allow(non_snake_case)]
fn from_canonical_type(t: <Self as ::fayalite::ty::Type>::CanonicalType) -> Self {
let [#(#variant_vars),*] = *::fayalite::enum_::EnumType::variants(&t) else {
::fayalite::__std::panic!("wrong number of variants");
};
#(#from_canonical_type_variant_lets)*
Self {
#(#non_empty_variant_names: #non_empty_variant_vars,)*
}
}
}
#[automatically_derived]
#[allow(clippy::init_numbered_fields)]
impl #static_type_impl_generics ::fayalite::enum_::EnumType
for #type_struct_ident #static_type_type_generics
#static_type_where_clause
{
type Builder = #empty_builder_ty;
fn match_activate_scope(
v: <Self as ::fayalite::ty::Type>::MatchVariantAndInactiveScope,
) -> (
<Self as ::fayalite::ty::Type>::MatchVariant,
<Self as ::fayalite::ty::Type>::MatchActiveScope,
) {
let (__variant_access, __scope) = v.activate();
(
match ::fayalite::expr::ops::VariantAccess::variant_index(
&*__variant_access,
) {
#(#match_enum_arms)*
#variant_count.. => ::fayalite::__std::panic!("invalid variant index"),
},
__scope,
)
}
fn builder() -> <Self as ::fayalite::enum_::EnumType>::Builder {
#empty_builder_ty::new()
}
fn variants(&self) -> ::fayalite::intern::Interned<[::fayalite::enum_::VariantType<
::fayalite::intern::Interned<dyn ::fayalite::ty::DynCanonicalType>,
>]> {
::fayalite::intern::Intern::intern(&[#(#enum_type_variants,)*][..])
}
fn variants_hint() -> ::fayalite::enum_::VariantsHint {
::fayalite::enum_::VariantsHint::new([#(#enum_type_variants_hint,)*], false)
}
}
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::expr::ToExpr
for #target #static_type_type_generics
#static_type_where_clause
{
type Type = #type_struct_ident #static_type_type_generics;
fn ty(&self) -> <Self as ::fayalite::expr::ToExpr>::Type {
::fayalite::ty::StaticType::static_type()
}
fn to_expr(&self) -> ::fayalite::expr::Expr<Self> {
::fayalite::expr::Expr::from_value(self)
}
}
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::ty::Value
for #target #static_type_type_generics
#static_type_where_clause
{
fn to_canonical(&self) -> <
<Self as ::fayalite::expr::ToExpr>::Type
as ::fayalite::ty::Type
>::CanonicalValue
{
let __ty = ::fayalite::ty::Type::canonical(&::fayalite::expr::ToExpr::ty(self));
match self {
#(Self::#variant_names { #variant_field_pats } => {
::fayalite::enum_::DynEnum::new_by_name(
__ty,
::fayalite::intern::Intern::intern(#variant_name_strs),
#variant_to_canonical_values,
)
})*
}
}
}
#[automatically_derived]
impl #static_type_impl_generics ::fayalite::enum_::EnumValue
for #target #static_type_type_generics
#static_type_where_clause
{
}
}
.to_tokens(tokens);
}
}
pub(crate) fn value_derive_enum(item: ItemEnum) -> syn::Result<TokenStream> {
let item = ParsedEnum::parse(item)?;
let outline_generated = item.options.body.outline_generated;
let mut contents = quote! {
const _: () = {
#item
};
};
if outline_generated.is_some() {
contents = crate::outline_generated(contents, "value-enum-");
}
Ok(contents)
}

View file

@ -1,765 +0,0 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{
value_derive_common::{
append_field, derive_clone_hash_eq_partialeq_for_struct, get_target, make_connect_impl,
Bounds, Builder, FieldsKind, ParsedField, ValueDeriveGenerics,
},
Errors, HdlAttr,
};
use proc_macro2::TokenStream;
use quote::{format_ident, quote, quote_spanned, ToTokens};
use syn::{
parse_quote, parse_quote_spanned, spanned::Spanned, FieldMutability, Generics, Ident,
ItemStruct, Member, Path, Token, Visibility,
};
crate::options! {
#[options = StructOptions]
pub(crate) enum StructOption {
OutlineGenerated(outline_generated),
Static(static_),
ConnectInexact(connect_inexact),
Bounds(where_, Bounds),
Target(target, Path),
}
}
crate::options! {
#[options = FieldOptions]
pub(crate) enum FieldOption {
Flip(flip),
Skip(skip),
}
}
pub(crate) struct ParsedStructNames<I, S> {
pub(crate) ident: Ident,
pub(crate) type_struct_debug_ident: S,
pub(crate) type_struct_ident: Ident,
pub(crate) match_variant_ident: I,
pub(crate) builder_struct_ident: I,
pub(crate) mask_match_variant_ident: I,
pub(crate) mask_type_ident: I,
pub(crate) mask_type_debug_ident: S,
pub(crate) mask_value_ident: I,
pub(crate) mask_value_debug_ident: S,
pub(crate) mask_builder_struct_ident: I,
}
pub(crate) struct ParsedStruct {
pub(crate) options: HdlAttr<StructOptions>,
pub(crate) vis: Visibility,
pub(crate) struct_token: Token![struct],
pub(crate) generics: Generics,
pub(crate) fields_kind: FieldsKind,
pub(crate) fields: Vec<ParsedField<FieldOptions>>,
pub(crate) semi_token: Option<Token![;]>,
pub(crate) skip_check_fields: bool,
pub(crate) names: ParsedStructNames<Option<Ident>, Option<String>>,
}
impl ParsedStruct {
pub(crate) fn parse(item: &mut ItemStruct) -> syn::Result<Self> {
let ItemStruct {
attrs,
vis,
struct_token,
ident,
generics,
fields,
semi_token,
} = item;
let mut errors = Errors::new();
let struct_options = errors
.unwrap_or_default(HdlAttr::parse_and_take_attr(attrs))
.unwrap_or_default();
let (fields_kind, fields) = ParsedField::parse_fields(&mut errors, fields, false);
errors.finish()?;
Ok(ParsedStruct {
options: struct_options,
vis: vis.clone(),
struct_token: *struct_token,
generics: generics.clone(),
fields_kind,
fields,
semi_token: *semi_token,
skip_check_fields: false,
names: ParsedStructNames {
ident: ident.clone(),
type_struct_debug_ident: None,
type_struct_ident: format_ident!("__{}__Type", ident),
match_variant_ident: None,
builder_struct_ident: None,
mask_match_variant_ident: None,
mask_type_ident: None,
mask_type_debug_ident: None,
mask_value_ident: None,
mask_value_debug_ident: None,
mask_builder_struct_ident: None,
},
})
}
pub(crate) fn write_body(
&self,
target: Path,
names: ParsedStructNames<&Ident, &String>,
is_for_mask: bool,
tokens: &mut TokenStream,
) {
let Self {
options,
vis,
struct_token,
generics,
fields_kind,
fields,
semi_token,
skip_check_fields,
names: _,
} = self;
let skip_check_fields = *skip_check_fields || is_for_mask;
let ParsedStructNames {
ident: struct_ident,
type_struct_debug_ident,
type_struct_ident,
match_variant_ident,
builder_struct_ident,
mask_match_variant_ident: _,
mask_type_ident,
mask_type_debug_ident: _,
mask_value_ident,
mask_value_debug_ident,
mask_builder_struct_ident: _,
} = names;
let StructOptions {
outline_generated: _,
where_,
target: _,
static_,
connect_inexact,
} = &options.body;
let ValueDeriveGenerics {
generics,
static_type_generics,
} = ValueDeriveGenerics::get(generics.clone(), where_);
let (impl_generics, type_generics, where_clause) = generics.split_for_impl();
let unskipped_fields = fields
.iter()
.filter(|field| field.options.body.skip.is_none());
let _field_names = Vec::from_iter(fields.iter().map(|field| field.name.clone()));
let unskipped_field_names =
Vec::from_iter(unskipped_fields.clone().map(|field| field.name.clone()));
let unskipped_field_name_strs = Vec::from_iter(
unskipped_field_names
.iter()
.map(|field_name| field_name.to_token_stream().to_string()),
);
let unskipped_field_vars = Vec::from_iter(
unskipped_field_names
.iter()
.map(|field_name| format_ident!("__v_{}", field_name)),
);
let unskipped_field_flips = Vec::from_iter(
unskipped_fields
.clone()
.map(|field| field.options.body.flip.is_some()),
);
let mut any_fields_skipped = false;
let type_fields = Vec::from_iter(fields.iter().filter_map(|field| {
let ParsedField {
options,
vis,
name,
ty,
} = field;
let FieldOptions { flip: _, skip } = &options.body;
if skip.is_some() {
any_fields_skipped = true;
return None;
}
let ty = if is_for_mask {
parse_quote! { ::fayalite::ty::AsMask<#ty> }
} else {
ty.to_token_stream()
};
Some(syn::Field {
attrs: vec![],
vis: vis.clone(),
mutability: FieldMutability::None,
ident: match name.clone() {
Member::Named(name) => Some(name),
Member::Unnamed(_) => None,
},
colon_token: None,
ty: parse_quote! { <#ty as ::fayalite::expr::ToExpr>::Type },
})
}));
let field_types = Vec::from_iter(type_fields.iter().map(|field| field.ty.clone()));
let match_variant_fields = Vec::from_iter(fields.iter().zip(&type_fields).map(
|(parsed_field, type_field)| {
let field_ty = &parsed_field.ty;
syn::Field {
ty: parse_quote! { ::fayalite::expr::Expr<#field_ty> },
..type_field.clone()
}
},
));
let mask_value_fields = Vec::from_iter(fields.iter().zip(&type_fields).map(
|(parsed_field, type_field)| {
let field_ty = &parsed_field.ty;
syn::Field {
ty: parse_quote! { ::fayalite::ty::AsMask<#field_ty> },
..type_field.clone()
}
},
));
let mut type_struct_fields = fields_kind.into_fields(type_fields);
let mut match_variant_fields = fields_kind.into_fields(match_variant_fields);
let mut mask_value_fields = fields_kind.into_fields(mask_value_fields);
let phantom_data_field_name = any_fields_skipped.then(|| {
let phantom_data_field_name = Ident::new("__phantom_data", type_struct_ident.span());
let member = append_field(
&mut type_struct_fields,
syn::Field {
attrs: vec![],
vis: vis.clone(),
mutability: FieldMutability::None,
ident: Some(phantom_data_field_name.clone()),
colon_token: None,
ty: parse_quote_spanned! {type_struct_ident.span()=>
::fayalite::__std::marker::PhantomData<#struct_ident #type_generics>
},
},
);
append_field(
&mut match_variant_fields,
syn::Field {
attrs: vec![],
vis: Visibility::Inherited,
mutability: FieldMutability::None,
ident: Some(phantom_data_field_name.clone()),
colon_token: None,
ty: parse_quote_spanned! {type_struct_ident.span()=>
::fayalite::__std::marker::PhantomData<#struct_ident #type_generics>
},
},
);
append_field(
&mut mask_value_fields,
syn::Field {
attrs: vec![],
vis: Visibility::Inherited,
mutability: FieldMutability::None,
ident: Some(phantom_data_field_name),
colon_token: None,
ty: parse_quote_spanned! {type_struct_ident.span()=>
::fayalite::__std::marker::PhantomData<#struct_ident #type_generics>
},
},
);
member
});
let phantom_data_field_name_slice = phantom_data_field_name.as_slice();
let type_struct = ItemStruct {
attrs: vec![parse_quote! {#[allow(non_camel_case_types)]}],
vis: vis.clone(),
struct_token: *struct_token,
ident: type_struct_ident.clone(),
generics: generics.clone(),
fields: type_struct_fields,
semi_token: *semi_token,
};
type_struct.to_tokens(tokens);
let match_variant_struct = ItemStruct {
attrs: vec![parse_quote! {#[allow(non_camel_case_types)]}],
vis: vis.clone(),
struct_token: *struct_token,
ident: match_variant_ident.clone(),
generics: generics.clone(),
fields: match_variant_fields,
semi_token: *semi_token,
};
match_variant_struct.to_tokens(tokens);
let mask_type_body = if is_for_mask {
quote! {
::fayalite::__std::clone::Clone::clone(self)
}
} else {
let mask_value_struct = ItemStruct {
attrs: vec![parse_quote! {#[allow(non_camel_case_types)]}],
vis: vis.clone(),
struct_token: *struct_token,
ident: mask_value_ident.clone(),
generics: generics.clone(),
fields: mask_value_fields,
semi_token: *semi_token,
};
mask_value_struct.to_tokens(tokens);
let debug_mask_value_body = match fields_kind {
FieldsKind::Unit => quote! {
f.debug_struct(#mask_value_debug_ident).finish()
},
FieldsKind::Named(_) => quote! {
f.debug_struct(#mask_value_debug_ident)
#(.field(#unskipped_field_name_strs, &self.#unskipped_field_names))*
.finish()
},
FieldsKind::Unnamed(_) => quote! {
f.debug_tuple(#mask_value_debug_ident)
#(.field(&self.#unskipped_field_names))*
.finish()
},
};
quote! {
#[automatically_derived]
impl #impl_generics ::fayalite::__std::fmt::Debug
for #mask_value_ident #type_generics
#where_clause
{
fn fmt(
&self,
f: &mut ::fayalite::__std::fmt::Formatter<'_>,
) -> ::fayalite::__std::fmt::Result {
#debug_mask_value_body
}
}
}
.to_tokens(tokens);
quote! {
#mask_type_ident {
#(#unskipped_field_names:
::fayalite::ty::Type::mask_type(&self.#unskipped_field_names),)*
#(#phantom_data_field_name_slice: ::fayalite::__std::marker::PhantomData,)*
}
}
};
let debug_type_body = match fields_kind {
FieldsKind::Unit => quote! {
f.debug_struct(#type_struct_debug_ident).finish()
},
FieldsKind::Named(_) => quote! {
f.debug_struct(#type_struct_debug_ident)
#(.field(#unskipped_field_name_strs, &self.#unskipped_field_names))*
.finish()
},
FieldsKind::Unnamed(_) => quote! {
f.debug_tuple(#type_struct_debug_ident)
#(.field(&self.#unskipped_field_names))*
.finish()
},
};
for the_struct_ident in [&type_struct_ident, match_variant_ident]
.into_iter()
.chain(is_for_mask.then_some(mask_value_ident))
{
derive_clone_hash_eq_partialeq_for_struct(
the_struct_ident,
&generics,
&Vec::from_iter(
unskipped_field_names
.iter()
.cloned()
.chain(phantom_data_field_name.clone()),
),
)
.to_tokens(tokens);
}
let check_v = format_ident!("__v");
let field_checks = Vec::from_iter(fields.iter().map(|ParsedField { ty, name, .. }| {
quote_spanned! {ty.span()=>
__check_field(#check_v.#name);
}
}));
if static_.is_some() {
let (impl_generics, type_generics, where_clause) =
static_type_generics.split_for_impl();
quote! {
#[automatically_derived]
impl #impl_generics ::fayalite::ty::StaticType for #type_struct_ident #type_generics
#where_clause
{
fn static_type() -> Self {
Self {
#(#unskipped_field_names: ::fayalite::ty::StaticType::static_type(),)*
#(#phantom_data_field_name_slice:
::fayalite::__std::marker::PhantomData,)*
}
}
}
}
.to_tokens(tokens);
}
if !skip_check_fields {
quote! {
fn __check_field<T: ::fayalite::ty::Value>(_v: T)
where
<T as ::fayalite::expr::ToExpr>::Type: ::fayalite::ty::Type<Value = T>,
{}
fn __check_fields #impl_generics(#check_v: #target #type_generics)
#where_clause
{
#(#field_checks)*
}
}
.to_tokens(tokens);
}
let mut builder = Builder::new(builder_struct_ident.clone(), vis.clone());
for field in unskipped_fields.clone() {
builder.insert_field(
field.name.clone(),
|v| {
parse_quote_spanned! {v.span()=>
::fayalite::expr::ToExpr::to_expr(&#v)
}
},
|t| {
parse_quote_spanned! {t.span()=>
::fayalite::expr::Expr<<
<#t as ::fayalite::expr::ToExpr>::Type
as ::fayalite::ty::Type
>::Value>
}
},
|t| {
parse_quote_spanned! {t.span()=>
where
#t: ::fayalite::expr::ToExpr,
}
},
);
}
let builder = builder.finish_filling_in_fields();
builder.to_tokens(tokens);
let build_type_fields =
Vec::from_iter(unskipped_fields.clone().map(|ParsedField { name, .. }| {
let builder_field_name = &builder.get_field(name).unwrap().1.builder_field_name;
quote_spanned! {struct_ident.span()=>
#name: ::fayalite::expr::ToExpr::ty(&#builder_field_name)
}
}));
let build_expr_fields =
Vec::from_iter(unskipped_fields.clone().map(|ParsedField { name, .. }| {
let builder_field_name = &builder.get_field(name).unwrap().1.builder_field_name;
quote_spanned! {struct_ident.span()=>
#builder_field_name.to_canonical_dyn()
}
}));
let build_specified_fields = unskipped_fields.clone().map(
|ParsedField {
options: _,
vis: _,
name,
ty,
}| {
let ty = if is_for_mask {
parse_quote_spanned! {name.span()=>
::fayalite::expr::Expr<::fayalite::ty::AsMask<#ty>>
}
} else {
parse_quote_spanned! {name.span()=>
::fayalite::expr::Expr<#ty>
}
};
(name.clone(), ty)
},
);
let build_body = parse_quote_spanned! {struct_ident.span()=>
{
::fayalite::expr::ToExpr::to_expr(
&::fayalite::expr::ops::BundleLiteral::new_unchecked(
::fayalite::intern::Intern::intern(&[#(
#build_expr_fields,
)*][..]),
#type_struct_ident {
#(#build_type_fields,)*
#(#phantom_data_field_name_slice:
::fayalite::__std::marker::PhantomData,)*
},
),
)
}
};
builder
.make_build_method(
&Ident::new("build", struct_ident.span()),
build_specified_fields,
&generics,
&parse_quote_spanned! {struct_ident.span()=>
#type_struct_ident #type_generics
},
&parse_quote_spanned! {struct_ident.span()=>
::fayalite::expr::Expr<#target #type_generics>
},
build_body,
)
.to_tokens(tokens);
make_connect_impl(
*connect_inexact,
&generics,
&type_struct_ident,
unskipped_fields.clone().map(|field| {
let ty = &field.ty;
parse_quote_spanned! {field.name.span()=>
<#ty as ::fayalite::expr::ToExpr>::Type
}
}),
)
.to_tokens(tokens);
let empty_builder_ty = builder.ty([], Some(&parse_quote! { Self }), false);
quote! {
#[automatically_derived]
impl #impl_generics ::fayalite::__std::fmt::Debug for #type_struct_ident #type_generics
#where_clause
{
fn fmt(
&self,
f: &mut ::fayalite::__std::fmt::Formatter<'_>,
) -> ::fayalite::__std::fmt::Result {
#debug_type_body
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::ty::Type for #type_struct_ident #type_generics
#where_clause
{
type CanonicalType = ::fayalite::bundle::DynBundleType;
type Value = #target #type_generics;
type CanonicalValue = ::fayalite::bundle::DynBundle;
type MaskType = #mask_type_ident #type_generics;
type MaskValue = #mask_value_ident #type_generics;
type MatchVariant = #match_variant_ident #type_generics;
type MatchActiveScope = ();
type MatchVariantAndInactiveScope = ::fayalite::ty::MatchVariantWithoutScope<
#match_variant_ident #type_generics,
>;
type MatchVariantsIter = ::fayalite::__std::iter::Once<
<Self as ::fayalite::ty::Type>::MatchVariantAndInactiveScope,
>;
#[allow(unused_variables)]
fn match_variants<IO: ::fayalite::bundle::BundleValue>(
this: ::fayalite::expr::Expr<<Self as ::fayalite::ty::Type>::Value>,
module_builder: &mut ::fayalite::module::ModuleBuilder<
IO,
::fayalite::module::NormalModule,
>,
source_location: ::fayalite::source_location::SourceLocation,
) -> <Self as ::fayalite::ty::Type>::MatchVariantsIter
where
<IO as ::fayalite::expr::ToExpr>::Type:
::fayalite::bundle::BundleType<Value = IO>,
{
::fayalite::__std::iter::once(::fayalite::ty::MatchVariantWithoutScope(
#match_variant_ident {
#(#unskipped_field_names: this.field(#unskipped_field_name_strs),)*
#(#phantom_data_field_name_slice:
::fayalite::__std::marker::PhantomData,)*
},
))
}
fn mask_type(&self) -> <Self as ::fayalite::ty::Type>::MaskType {
#mask_type_body
}
fn canonical(&self) -> <Self as ::fayalite::ty::Type>::CanonicalType {
let fields = ::fayalite::bundle::BundleType::fields(self);
::fayalite::bundle::DynBundleType::new(fields)
}
fn source_location(&self) -> ::fayalite::source_location::SourceLocation {
::fayalite::source_location::SourceLocation::caller()
}
fn type_enum(&self) -> ::fayalite::ty::TypeEnum {
::fayalite::ty::TypeEnum::BundleType(::fayalite::ty::Type::canonical(self))
}
fn from_canonical_type(t: <Self as ::fayalite::ty::Type>::CanonicalType) -> Self {
let [#(#unskipped_field_vars),*] = *::fayalite::bundle::BundleType::fields(&t)
else {
::fayalite::__std::panic!("wrong number of fields");
};
Self {
#(#unskipped_field_names: #unskipped_field_vars.from_canonical_type_helper(
#unskipped_field_name_strs,
#unskipped_field_flips,
),)*
#(#phantom_data_field_name_slice: ::fayalite::__std::marker::PhantomData,)*
}
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::ty::TypeWithDeref for #type_struct_ident #type_generics
#where_clause
{
#[allow(unused_variables)]
fn expr_deref(this: &::fayalite::expr::Expr<<Self as ::fayalite::ty::Type>::Value>)
-> &<Self as ::fayalite::ty::Type>::MatchVariant
{
::fayalite::intern::Interned::<_>::into_inner(
::fayalite::intern::Intern::intern_sized(#match_variant_ident {
#(#unskipped_field_names: this.field(#unskipped_field_name_strs),)*
#(#phantom_data_field_name_slice:
::fayalite::__std::marker::PhantomData,)*
}),
)
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::bundle::BundleType for #type_struct_ident #type_generics
#where_clause
{
type Builder = #empty_builder_ty;
fn builder() -> <Self as ::fayalite::bundle::BundleType>::Builder {
#empty_builder_ty::new()
}
fn fields(&self) -> ::fayalite::intern::Interned<
[::fayalite::bundle::FieldType<::fayalite::intern::Interned<
dyn ::fayalite::ty::DynCanonicalType,
>>],
>
{
::fayalite::intern::Intern::intern(&[#(
::fayalite::bundle::FieldType {
name: ::fayalite::intern::Intern::intern(#unskipped_field_name_strs),
flipped: #unskipped_field_flips,
ty: ::fayalite::ty::DynType::canonical_dyn(
&self.#unskipped_field_names,
),
},
)*][..])
}
fn fields_hint() -> ::fayalite::bundle::FieldsHint {
::fayalite::bundle::FieldsHint::new([#(
::fayalite::bundle::FieldType {
name: ::fayalite::intern::Intern::intern(#unskipped_field_name_strs),
flipped: #unskipped_field_flips,
ty: ::fayalite::bundle::TypeHint::<#field_types>::intern_dyn(),
},
)*], false)
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::expr::ToExpr for #target #type_generics
#where_clause
{
type Type = #type_struct_ident #type_generics;
fn ty(&self) -> <Self as ::fayalite::expr::ToExpr>::Type {
#type_struct_ident {
#(#unskipped_field_names: ::fayalite::expr::ToExpr::ty(
&self.#unskipped_field_names,
),)*
#(#phantom_data_field_name_slice: ::fayalite::__std::marker::PhantomData,)*
}
}
fn to_expr(&self) -> ::fayalite::expr::Expr<Self> {
::fayalite::expr::Expr::from_value(self)
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::ty::Value for #target #type_generics
#where_clause
{
fn to_canonical(&self) -> <
<Self as ::fayalite::expr::ToExpr>::Type
as ::fayalite::ty::Type
>::CanonicalValue
{
let ty = ::fayalite::ty::Type::canonical(&::fayalite::expr::ToExpr::ty(self));
::fayalite::bundle::DynBundle::new(ty, ::fayalite::__std::sync::Arc::new([
#(::fayalite::ty::DynValueTrait::to_canonical_dyn(
&self.#unskipped_field_names,
),)*
]))
}
}
#[automatically_derived]
impl #impl_generics ::fayalite::bundle::BundleValue for #target #type_generics
#where_clause
{
}
}
.to_tokens(tokens);
}
}
impl ToTokens for ParsedStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let ParsedStructNames {
ident: struct_ident,
type_struct_debug_ident,
type_struct_ident,
match_variant_ident,
builder_struct_ident,
mask_match_variant_ident,
mask_type_ident,
mask_type_debug_ident,
mask_value_ident,
mask_value_debug_ident,
mask_builder_struct_ident,
} = &self.names;
macro_rules! unwrap_or_set {
($(let $var:ident =? $fallback_value:expr;)*) => {
$(let $var = $var.clone().unwrap_or_else(|| $fallback_value);)*
};
}
unwrap_or_set! {
let type_struct_debug_ident =? format!("{struct_ident}::Type");
let match_variant_ident =? format_ident!("__{}__MatchVariant", struct_ident);
let builder_struct_ident =? format_ident!("__{}__Builder", struct_ident);
let mask_match_variant_ident =? format_ident!("__AsMask__{}__MatchVariant", struct_ident);
let mask_type_ident =? format_ident!("__AsMask__{}__Type", struct_ident);
let mask_type_debug_ident =? format!("AsMask<{struct_ident}>::Type");
let mask_value_ident =? format_ident!("__AsMask__{}", struct_ident);
let mask_value_debug_ident =? format!("AsMask<{struct_ident}>");
let mask_builder_struct_ident =? format_ident!("__AsMask__{}__Builder", struct_ident);
}
let target = get_target(&self.options.body.target, struct_ident);
let names = ParsedStructNames {
ident: struct_ident.clone(),
type_struct_debug_ident: &type_struct_debug_ident,
type_struct_ident: type_struct_ident.clone(),
match_variant_ident: &match_variant_ident,
builder_struct_ident: &builder_struct_ident,
mask_match_variant_ident: &mask_match_variant_ident,
mask_type_ident: &mask_type_ident,
mask_type_debug_ident: &mask_type_debug_ident,
mask_value_ident: &mask_value_ident,
mask_value_debug_ident: &mask_value_debug_ident,
mask_builder_struct_ident: &mask_builder_struct_ident,
};
self.write_body(target, names, false, tokens);
let mask_names = ParsedStructNames {
ident: mask_value_ident.clone(),
type_struct_debug_ident: &mask_type_debug_ident,
type_struct_ident: mask_type_ident.clone(),
match_variant_ident: &mask_match_variant_ident,
builder_struct_ident: &mask_builder_struct_ident,
mask_match_variant_ident: &mask_match_variant_ident,
mask_type_ident: &mask_type_ident,
mask_type_debug_ident: &mask_type_debug_ident,
mask_value_ident: &mask_value_ident,
mask_value_debug_ident: &mask_value_debug_ident,
mask_builder_struct_ident: &mask_builder_struct_ident,
};
self.write_body(mask_value_ident.clone().into(), mask_names, true, tokens);
}
}
pub(crate) fn value_derive_struct(mut item: ItemStruct) -> syn::Result<TokenStream> {
let item = ParsedStruct::parse(&mut item)?;
let outline_generated = item.options.body.outline_generated;
let mut contents = quote! {
const _: () = {
#item
};
};
if outline_generated.is_some() {
contents = crate::outline_generated(contents, "value-struct-");
}
Ok(contents)
}

View file

@ -2,7 +2,7 @@
// See Notices.txt for copyright information
//! proc macros for `fayalite`
//!
//! see `fayalite::hdl_module` and `fayalite::ty::Value` for docs
//! see `fayalite::hdl_module` and `fayalite::hdl` for docs
// intentionally not documented here, see `fayalite::hdl_module` for docs
#[proc_macro_attribute]
@ -10,16 +10,19 @@ pub fn hdl_module(
attr: proc_macro::TokenStream,
item: proc_macro::TokenStream,
) -> proc_macro::TokenStream {
match fayalite_proc_macros_impl::module(attr.into(), item.into()) {
match fayalite_proc_macros_impl::hdl_module(attr.into(), item.into()) {
Ok(retval) => retval.into(),
Err(err) => err.into_compile_error().into(),
}
}
// intentionally not documented here, see `fayalite::ty::Value` for docs
#[proc_macro_derive(Value, attributes(hdl))]
pub fn value_derive(item: proc_macro::TokenStream) -> proc_macro::TokenStream {
match fayalite_proc_macros_impl::value_derive(item.into()) {
// intentionally not documented here, see `fayalite::hdl` for docs
#[proc_macro_attribute]
pub fn hdl(
attr: proc_macro::TokenStream,
item: proc_macro::TokenStream,
) -> proc_macro::TokenStream {
match fayalite_proc_macros_impl::hdl_attr(attr.into(), item.into()) {
Ok(retval) => retval.into(),
Err(err) => err.into_compile_error().into(),
}

View file

@ -1,7 +1,7 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{
expr::Target,
expr::target::Target,
intern::{Intern, Interned},
};
use serde::{Deserialize, Serialize};

View file

@ -1,671 +1,234 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{
bundle::{BundleType, BundleValue},
expr::{
ops::{ArrayIndex, ArrayLiteral, ExprIndex},
Expr, ToExpr,
},
intern::{Intern, Interned, InternedCompare, Memoize},
module::{
transform::visit::{Fold, Folder, Visit, Visitor},
ModuleBuilder, NormalModule,
},
expr::{ops::ArrayIndex, Expr, ToExpr},
int::{DynSize, KnownSize, Size},
intern::{Intern, Interned, LazyInterned},
module::transform::visit::{Fold, Folder, Visit, Visitor},
source_location::SourceLocation,
ty::{
CanonicalType, CanonicalTypeKind, CanonicalValue, Connect, DynCanonicalType,
DynCanonicalValue, DynType, DynValueTrait, MatchVariantWithoutScope, StaticType,
StaticValue, Type, TypeEnum, Value, ValueEnum,
CanonicalType, MatchVariantWithoutScope, StaticType, Type, TypeProperties, TypeWithDeref,
},
util::{ConstBool, GenericConstBool, MakeMutSlice},
};
use bitvec::{slice::BitSlice, vec::BitVec};
use std::{
any::Any,
borrow::{Borrow, BorrowMut},
fmt,
hash::Hash,
marker::PhantomData,
ops::IndexMut,
sync::Arc,
util::ConstUsize,
};
use std::ops::Index;
mod sealed {
pub trait Sealed {}
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub struct ArrayType<T: Type = CanonicalType, Len: Size = DynSize> {
element: LazyInterned<T>,
len: Len::SizeType,
type_properties: TypeProperties,
}
pub trait ValueArrayOrSlice:
sealed::Sealed
+ BorrowMut<[<Self as ValueArrayOrSlice>::Element]>
+ AsRef<[<Self as ValueArrayOrSlice>::Element]>
+ AsMut<[<Self as ValueArrayOrSlice>::Element]>
+ Hash
+ fmt::Debug
+ Eq
+ Send
+ Sync
+ 'static
+ IndexMut<usize, Output = <Self as ValueArrayOrSlice>::Element>
+ ToOwned
+ InternedCompare
{
type Element: Value<Type = <Self as ValueArrayOrSlice>::ElementType>;
type ElementType: Type<Value = <Self as ValueArrayOrSlice>::Element>;
type LenType: 'static + Copy + Ord + fmt::Debug + Hash + Send + Sync;
type Match: 'static
+ Clone
+ Eq
+ fmt::Debug
+ Hash
+ Send
+ Sync
+ BorrowMut<[Expr<Self::Element>]>;
type MaskVA: ValueArrayOrSlice<
Element = <Self::ElementType as Type>::MaskValue,
ElementType = <Self::ElementType as Type>::MaskType,
LenType = Self::LenType,
MaskVA = Self::MaskVA,
> + ?Sized;
type IsStaticLen: GenericConstBool;
const FIXED_LEN_TYPE: Option<Self::LenType>;
fn make_match(array: Expr<Array<Self>>) -> Self::Match;
fn len_from_len_type(v: Self::LenType) -> usize;
#[allow(clippy::result_unit_err)]
fn try_len_type_from_len(v: usize) -> Result<Self::LenType, ()>;
fn len_type(&self) -> Self::LenType;
fn len(&self) -> usize;
fn is_empty(&self) -> bool;
fn iter(&self) -> std::slice::Iter<Self::Element> {
Borrow::<[_]>::borrow(self).iter()
}
fn clone_to_arc(&self) -> Arc<Self>;
fn arc_make_mut(v: &mut Arc<Self>) -> &mut Self;
fn arc_to_arc_slice(self: Arc<Self>) -> Arc<[Self::Element]>;
}
impl<T> sealed::Sealed for [T] {}
impl<V: Value> ValueArrayOrSlice for [V]
where
V::Type: Type<Value = V>,
{
type Element = V;
type ElementType = V::Type;
type LenType = usize;
type Match = Box<[Expr<V>]>;
type MaskVA = [<Self::ElementType as Type>::MaskValue];
type IsStaticLen = ConstBool<false>;
const FIXED_LEN_TYPE: Option<Self::LenType> = None;
fn make_match(array: Expr<Array<Self>>) -> Self::Match {
(0..array.canonical_type().len())
.map(|index| ArrayIndex::<V::Type>::new_unchecked(array.canonical(), index).to_expr())
.collect()
}
fn len_from_len_type(v: Self::LenType) -> usize {
v
}
fn try_len_type_from_len(v: usize) -> Result<Self::LenType, ()> {
Ok(v)
}
fn len_type(&self) -> Self::LenType {
self.len()
}
fn len(&self) -> usize {
<[_]>::len(self)
}
fn is_empty(&self) -> bool {
<[_]>::is_empty(self)
}
fn clone_to_arc(&self) -> Arc<Self> {
Arc::from(self)
}
fn arc_make_mut(v: &mut Arc<Self>) -> &mut Self {
MakeMutSlice::make_mut_slice(v)
}
fn arc_to_arc_slice(self: Arc<Self>) -> Arc<[Self::Element]> {
self
impl<T: Type, Len: Size> std::fmt::Debug for ArrayType<T, Len> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "Array<{:?}, {}>", self.element, self.len())
}
}
impl<T, const N: usize> sealed::Sealed for [T; N] {}
pub type Array<
T = CanonicalType,
const LEN: usize = { <DynSize as crate::util::GenericConstUsize>::VALUE },
> = ArrayType<T, ConstUsize<LEN>>;
impl<V: Value, const N: usize> ValueArrayOrSlice for [V; N]
where
V::Type: Type<Value = V>,
{
type Element = V;
type ElementType = V::Type;
type LenType = ();
type Match = [Expr<V>; N];
type MaskVA = [<Self::ElementType as Type>::MaskValue; N];
type IsStaticLen = ConstBool<true>;
const FIXED_LEN_TYPE: Option<Self::LenType> = Some(());
#[allow(non_upper_case_globals)]
pub const Array: ArrayWithoutGenerics = ArrayWithoutGenerics;
#[allow(non_upper_case_globals)]
pub const ArrayType: ArrayWithoutGenerics = ArrayWithoutGenerics;
fn make_match(array: Expr<Array<Self>>) -> Self::Match {
std::array::from_fn(|index| {
ArrayIndex::<V::Type>::new_unchecked(array.canonical(), index).to_expr()
})
}
fn len_from_len_type(_v: Self::LenType) -> usize {
N
}
fn try_len_type_from_len(v: usize) -> Result<Self::LenType, ()> {
if v == N {
Ok(())
} else {
Err(())
}
}
fn len_type(&self) -> Self::LenType {}
fn len(&self) -> usize {
N
}
fn is_empty(&self) -> bool {
N == 0
}
fn clone_to_arc(&self) -> Arc<Self> {
Arc::new(self.clone())
}
fn arc_make_mut(v: &mut Arc<Self>) -> &mut Self {
Arc::make_mut(v)
}
fn arc_to_arc_slice(self: Arc<Self>) -> Arc<[Self::Element]> {
self
}
}
#[derive(Debug, PartialEq, Eq, Hash)]
pub struct ArrayType<VA: ValueArrayOrSlice + ?Sized> {
element: VA::ElementType,
len: VA::LenType,
bit_width: usize,
}
pub trait ArrayTypeTrait:
Type<
CanonicalType = ArrayType<[DynCanonicalValue]>,
Value = Array<<Self as ArrayTypeTrait>::ValueArrayOrSlice>,
CanonicalValue = Array<[DynCanonicalValue]>,
MaskType = ArrayType<
<<Self as ArrayTypeTrait>::ValueArrayOrSlice as ValueArrayOrSlice>::MaskVA,
>,
> + From<ArrayType<<Self as ArrayTypeTrait>::ValueArrayOrSlice>>
+ Into<ArrayType<<Self as ArrayTypeTrait>::ValueArrayOrSlice>>
+ BorrowMut<ArrayType<<Self as ArrayTypeTrait>::ValueArrayOrSlice>>
+ sealed::Sealed
+ Connect<Self>
{
type ValueArrayOrSlice: ValueArrayOrSlice<Element = Self::Element, ElementType = Self::ElementType>
+ ?Sized;
type Element: Value<Type = Self::ElementType>;
type ElementType: Type<Value = Self::Element>;
}
impl<VA: ValueArrayOrSlice + ?Sized> sealed::Sealed for ArrayType<VA> {}
impl<VA: ValueArrayOrSlice + ?Sized> ArrayTypeTrait for ArrayType<VA> {
type ValueArrayOrSlice = VA;
type Element = VA::Element;
type ElementType = VA::ElementType;
}
impl<VA: ValueArrayOrSlice + ?Sized> Clone for ArrayType<VA> {
fn clone(&self) -> Self {
Self {
element: self.element.clone(),
len: self.len,
bit_width: self.bit_width,
}
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Copy for ArrayType<VA> where VA::ElementType: Copy {}
impl<VA: ValueArrayOrSlice + ?Sized> ArrayType<VA> {
pub fn element(&self) -> &VA::ElementType {
&self.element
}
pub fn len(&self) -> usize {
VA::len_from_len_type(self.len)
}
pub fn is_empty(&self) -> bool {
self.len() == 0
}
pub fn bit_width(&self) -> usize {
self.bit_width
}
pub fn into_slice_type(self) -> ArrayType<[VA::Element]> {
ArrayType {
len: self.len(),
element: self.element,
bit_width: self.bit_width,
}
}
#[track_caller]
pub fn new_with_len(element: VA::ElementType, len: usize) -> Self {
Self::new_with_len_type(
element,
VA::try_len_type_from_len(len).expect("length should match"),
)
}
#[track_caller]
pub fn new_with_len_type(element: VA::ElementType, len: VA::LenType) -> Self {
let Some(bit_width) = VA::len_from_len_type(len).checked_mul(element.bit_width()) else {
panic!("array is too big: bit-width overflowed");
impl<T: Type, Len: Size> ArrayType<T, Len> {
const fn make_type_properties(element: TypeProperties, len: usize) -> TypeProperties {
let TypeProperties {
is_passive,
is_storable,
is_castable_from_bits,
bit_width,
} = element;
let Some(bit_width) = bit_width.checked_mul(len) else {
panic!("array too big");
};
ArrayType {
element,
len,
TypeProperties {
is_passive,
is_storable,
is_castable_from_bits,
bit_width,
}
}
pub fn new(element: T, len: Len::SizeType) -> Self {
let type_properties =
Self::make_type_properties(element.canonical().type_properties(), Len::as_usize(len));
Self {
element: LazyInterned::Interned(element.intern_sized()),
len,
type_properties,
}
}
pub fn element(&self) -> T {
*self.element
}
pub fn len(self) -> usize {
Len::as_usize(self.len)
}
pub fn is_empty(self) -> bool {
self.len() == 0
}
pub fn type_properties(self) -> TypeProperties {
self.type_properties
}
pub fn as_dyn_array(self) -> Array {
Array::new_dyn(self.element().canonical(), self.len())
}
pub fn can_connect<T2: Type, Len2: Size>(self, rhs: ArrayType<T2, Len2>) -> bool {
self.len() == rhs.len()
&& self
.element()
.canonical()
.can_connect(rhs.element().canonical())
}
}
impl<VA: ValueArrayOrSlice + ?Sized, State: ?Sized + Folder> Fold<State> for ArrayType<VA>
where
VA::ElementType: Fold<State>,
{
impl<T: Type, Len: KnownSize> ArrayType<T, Len> {
pub fn new_static(element: T) -> Self {
Self::new(element, Len::SizeType::default())
}
}
impl<T: StaticType, Len: KnownSize> StaticType for ArrayType<T, Len> {
const TYPE: Self = Self {
element: LazyInterned::new_lazy(&|| T::TYPE.intern_sized()),
len: Len::SIZE,
type_properties: Self::TYPE_PROPERTIES,
};
const MASK_TYPE: Self::MaskType = ArrayType::<T::MaskType, Len> {
element: LazyInterned::new_lazy(&|| T::MASK_TYPE.intern_sized()),
len: Len::SIZE,
type_properties: Self::MASK_TYPE_PROPERTIES,
};
const TYPE_PROPERTIES: TypeProperties =
Self::make_type_properties(T::TYPE_PROPERTIES, Len::VALUE);
const MASK_TYPE_PROPERTIES: TypeProperties =
Self::make_type_properties(T::MASK_TYPE_PROPERTIES, Len::VALUE);
}
impl<T: Type> Array<T> {
pub fn new_dyn(element: T, len: usize) -> Self {
Self::new(element, len)
}
}
impl<T: Type + Fold<State>, Len: Size, State: Folder + ?Sized> Fold<State> for ArrayType<T, Len> {
fn fold(self, state: &mut State) -> Result<Self, State::Error> {
state.fold_array_type(self)
}
fn default_fold(self, state: &mut State) -> Result<Self, State::Error> {
Ok(Self::new_with_len_type(self.element.fold(state)?, self.len))
fn default_fold(self, state: &mut State) -> Result<Self, <State as Folder>::Error> {
Ok(ArrayType::new(self.element().fold(state)?, self.len))
}
}
impl<VA: ValueArrayOrSlice + ?Sized, State: ?Sized + Visitor> Visit<State> for ArrayType<VA>
where
VA::ElementType: Visit<State>,
impl<T: Type + Visit<State>, Len: Size, State: Visitor + ?Sized> Visit<State>
for ArrayType<T, Len>
{
fn visit(&self, state: &mut State) -> Result<(), State::Error> {
state.visit_array_type(self)
}
fn default_visit(&self, state: &mut State) -> Result<(), State::Error> {
self.element.visit(state)
self.element().visit(state)
}
}
impl<V: Value<Type: Type<Value = V>>, const N: usize> ArrayType<[V; N]> {
pub fn new_array(element: V::Type) -> Self {
ArrayType::new_with_len_type(element, ())
}
}
impl<V: StaticValue, const N: usize> StaticType for ArrayType<[V; N]> {
fn static_type() -> Self {
Self::new_array(StaticType::static_type())
}
}
impl<V: Value<Type: Type<Value = V>>> ArrayType<[V]> {
pub fn new_slice(element: V::Type, len: usize) -> Self {
ArrayType::new_with_len_type(element, len)
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Type for ArrayType<VA> {
type CanonicalType = ArrayType<[DynCanonicalValue]>;
type Value = Array<VA>;
type CanonicalValue = Array<[DynCanonicalValue]>;
type MaskType = ArrayType<VA::MaskVA>;
type MaskValue = Array<VA::MaskVA>;
type MatchVariant = VA::Match;
impl<T: Type, Len: Size> Type for ArrayType<T, Len> {
type BaseType = Array;
type MaskType = ArrayType<T::MaskType, Len>;
type MatchVariant = Len::ArrayMatch<T>;
type MatchActiveScope = ();
type MatchVariantAndInactiveScope = MatchVariantWithoutScope<VA::Match>;
type MatchVariantAndInactiveScope = MatchVariantWithoutScope<Len::ArrayMatch<T>>;
type MatchVariantsIter = std::iter::Once<Self::MatchVariantAndInactiveScope>;
fn match_variants<IO: BundleValue>(
this: Expr<Self::Value>,
module_builder: &mut ModuleBuilder<IO, NormalModule>,
fn match_variants(
this: Expr<Self>,
source_location: SourceLocation,
) -> Self::MatchVariantsIter
where
IO::Type: BundleType<Value = IO>,
{
let _ = module_builder;
) -> Self::MatchVariantsIter {
let base = Expr::as_dyn_array(this);
let base_ty = Expr::ty(base);
let _ = source_location;
std::iter::once(MatchVariantWithoutScope(VA::make_match(this)))
let retval = Vec::from_iter((0..base_ty.len()).map(|i| ArrayIndex::new(base, i).to_expr()));
std::iter::once(MatchVariantWithoutScope(
Len::ArrayMatch::<T>::try_from(retval)
.ok()
.expect("unreachable"),
))
}
fn mask_type(&self) -> Self::MaskType {
#[derive(Clone, Hash, Eq, PartialEq)]
struct ArrayMaskTypeMemoize<T: ArrayTypeTrait>(PhantomData<T>);
impl<T: ArrayTypeTrait> Copy for ArrayMaskTypeMemoize<T> {}
impl<T: ArrayTypeTrait> Memoize for ArrayMaskTypeMemoize<T> {
type Input = ArrayType<T::ValueArrayOrSlice>;
type InputOwned = ArrayType<T::ValueArrayOrSlice>;
type Output = <ArrayType<T::ValueArrayOrSlice> as Type>::MaskType;
fn inner(self, input: &Self::Input) -> Self::Output {
ArrayType::new_with_len_type(input.element.mask_type(), input.len)
}
}
ArrayMaskTypeMemoize::<Self>(PhantomData).get(self)
ArrayType::new(self.element().mask_type(), self.len)
}
fn canonical(&self) -> Self::CanonicalType {
ArrayType {
element: self.element.canonical_dyn(),
len: self.len(),
bit_width: self.bit_width,
}
fn canonical(&self) -> CanonicalType {
CanonicalType::Array(Array::new_dyn(self.element().canonical(), self.len()))
}
fn source_location(&self) -> SourceLocation {
#[track_caller]
fn from_canonical(canonical_type: CanonicalType) -> Self {
let CanonicalType::Array(array) = canonical_type else {
panic!("expected array");
};
Self::new(
T::from_canonical(array.element()),
Len::from_usize(array.len()),
)
}
fn source_location() -> SourceLocation {
SourceLocation::builtin()
}
}
fn type_enum(&self) -> TypeEnum {
TypeEnum::ArrayType(self.canonical())
}
fn from_canonical_type(t: Self::CanonicalType) -> Self {
Self {
element: VA::ElementType::from_dyn_canonical_type(t.element),
len: VA::try_len_type_from_len(t.len).expect("length should match"),
bit_width: t.bit_width,
}
}
fn as_dyn_canonical_type_impl(this: &Self) -> Option<&dyn DynCanonicalType> {
Some(<dyn Any>::downcast_ref::<ArrayType<[DynCanonicalValue]>>(
this,
)?)
impl<T: Type, Len: Size> TypeWithDeref for ArrayType<T, Len> {
fn expr_deref(this: &Expr<Self>) -> &Self::MatchVariant {
let base = Expr::as_dyn_array(*this);
let base_ty = Expr::ty(base);
let retval = Vec::from_iter((0..base_ty.len()).map(|i| ArrayIndex::new(base, i).to_expr()));
Interned::<_>::into_inner(Intern::intern_sized(
Len::ArrayMatch::<T>::try_from(retval)
.ok()
.expect("unreachable"),
))
}
}
impl<Lhs: ValueArrayOrSlice + ?Sized, Rhs: ValueArrayOrSlice + ?Sized> Connect<ArrayType<Rhs>>
for ArrayType<Lhs>
{
}
#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, Default)]
pub struct ArrayWithoutGenerics;
impl CanonicalType for ArrayType<[DynCanonicalValue]> {
const CANONICAL_TYPE_KIND: CanonicalTypeKind = CanonicalTypeKind::ArrayType;
}
impl<T: Type> Index<T> for ArrayWithoutGenerics {
type Output = ArrayWithoutLen<T>;
#[derive(Debug, PartialEq, Eq, Hash)]
pub struct Array<VA: ValueArrayOrSlice + ?Sized> {
element_ty: VA::ElementType,
value: Arc<VA>,
}
impl<VA: ValueArrayOrSlice + ?Sized> Clone for Array<VA> {
fn clone(&self) -> Self {
Self {
element_ty: self.element_ty.clone(),
value: self.value.clone(),
}
fn index(&self, element: T) -> &Self::Output {
Interned::<_>::into_inner(Intern::intern_sized(ArrayWithoutLen { element }))
}
}
impl<VA: ValueArrayOrSlice + ?Sized> ToExpr for Array<VA> {
type Type = ArrayType<VA>;
#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
pub struct ArrayWithoutLen<T: Type> {
element: T,
}
fn ty(&self) -> Self::Type {
ArrayType::new_with_len_type(self.element_ty.clone(), self.value.len_type())
}
impl<T: Type> Index<usize> for ArrayWithoutLen<T> {
type Output = Array<T>;
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
Expr::from_value(self)
fn index(&self, len: usize) -> &Self::Output {
Interned::<_>::into_inner(Intern::intern_sized(Array::new_dyn(self.element, len)))
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Value for Array<VA> {
fn to_canonical(&self) -> <Self::Type as Type>::CanonicalValue {
Array {
element_ty: self.element_ty.canonical_dyn(),
value: AsRef::<[_]>::as_ref(&*self.value)
.iter()
.map(|v| v.to_canonical_dyn())
.collect(),
}
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
#[derive(Hash, Eq, PartialEq)]
struct ArrayToBitsMemoize<VA: ValueArrayOrSlice + ?Sized>(PhantomData<VA>);
impl<VA: ValueArrayOrSlice + ?Sized> Clone for ArrayToBitsMemoize<VA> {
fn clone(&self) -> Self {
*self
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Copy for ArrayToBitsMemoize<VA> {}
impl<VA: ValueArrayOrSlice + ?Sized> Memoize for ArrayToBitsMemoize<VA> {
type Input = Array<VA>;
type InputOwned = Array<VA>;
type Output = Interned<BitSlice>;
fn inner(self, input: &Self::Input) -> Self::Output {
let mut bits = BitVec::with_capacity(input.ty().bit_width());
for element in AsRef::<[_]>::as_ref(&*input.value).iter() {
bits.extend_from_bitslice(&element.to_bits());
}
Intern::intern_owned(bits)
}
}
ArrayToBitsMemoize::<VA>(PhantomData).get(this)
}
}
impl CanonicalValue for Array<[DynCanonicalValue]> {
fn value_enum_impl(this: &Self) -> ValueEnum {
ValueEnum::Array(this.clone())
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
Value::to_bits_impl(this)
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Array<VA> {
pub fn element_ty(&self) -> &VA::ElementType {
&self.element_ty
}
pub fn len(&self) -> usize {
VA::len_from_len_type(self.value.len_type())
}
pub fn is_empty(&self) -> bool {
self.len() == 0
}
pub fn value(&self) -> &Arc<VA> {
&self.value
}
pub fn set_element(&mut self, index: usize, element: VA::Element) {
assert_eq!(self.element_ty, element.ty());
VA::arc_make_mut(&mut self.value)[index] = element;
}
pub fn new(element_ty: VA::ElementType, value: Arc<VA>) -> Self {
for element in value.iter() {
assert_eq!(element_ty, element.ty());
}
Self { element_ty, value }
}
pub fn into_slice(self) -> Array<[VA::Element]> {
Array {
element_ty: self.element_ty,
value: self.value.arc_to_arc_slice(),
}
}
}
impl<VA: ValueArrayOrSlice + ?Sized, T: Into<Arc<VA>>> From<T> for Array<VA>
impl<T: Type, const LEN: usize> Index<ConstUsize<LEN>> for ArrayWithoutLen<T>
where
VA::Element: StaticValue,
ConstUsize<LEN>: KnownSize,
{
fn from(value: T) -> Self {
Self::new(StaticType::static_type(), value.into())
}
}
impl<E: ToExpr<Type = T>, T: StaticType<MaskType: StaticType>> ToExpr for [E] {
type Type = ArrayType<[T::Value]>;
fn ty(&self) -> Self::Type {
ArrayType::new_with_len_type(StaticType::static_type(), self.len())
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
let elements = Intern::intern_owned(Vec::from_iter(
self.iter().map(|v| v.to_expr().to_canonical_dyn()),
));
ArrayLiteral::new_unchecked(elements, self.ty()).to_expr()
}
}
impl<E: ToExpr<Type = T>, T: StaticType<MaskType: StaticType>> ToExpr for Vec<E> {
type Type = ArrayType<[T::Value]>;
fn ty(&self) -> Self::Type {
<[E]>::ty(self)
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
<[E]>::to_expr(self)
}
}
impl<E: ToExpr<Type = T>, T: StaticType<MaskType: StaticType>, const N: usize> ToExpr for [E; N] {
type Type = ArrayType<[T::Value; N]>;
fn ty(&self) -> Self::Type {
ArrayType::new_with_len_type(StaticType::static_type(), ())
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
let elements = Intern::intern_owned(Vec::from_iter(
self.iter().map(|v| v.to_expr().to_canonical_dyn()),
));
ArrayLiteral::new_unchecked(elements, self.ty()).to_expr()
}
}
#[derive(Clone, Debug)]
pub struct ArrayIntoIter<VA: ValueArrayOrSlice> {
array: Arc<VA>,
indexes: std::ops::Range<usize>,
}
impl<VA: ValueArrayOrSlice> Iterator for ArrayIntoIter<VA> {
type Item = VA::Element;
fn next(&mut self) -> Option<Self::Item> {
Some(self.array[self.indexes.next()?].clone())
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.indexes.size_hint()
}
}
impl<VA: ValueArrayOrSlice> std::iter::FusedIterator for ArrayIntoIter<VA> {}
impl<VA: ValueArrayOrSlice> ExactSizeIterator for ArrayIntoIter<VA> {}
impl<VA: ValueArrayOrSlice> DoubleEndedIterator for ArrayIntoIter<VA> {
fn next_back(&mut self) -> Option<Self::Item> {
Some(self.array[self.indexes.next_back()?].clone())
}
}
impl<VA: ValueArrayOrSlice> Array<VA> {
pub fn iter(&self) -> std::slice::Iter<'_, VA::Element> {
self.value.iter()
}
}
impl<'a, VA: ValueArrayOrSlice> IntoIterator for &'a Array<VA> {
type Item = &'a VA::Element;
type IntoIter = std::slice::Iter<'a, VA::Element>;
fn into_iter(self) -> Self::IntoIter {
self.value.iter()
}
}
impl<VA: ValueArrayOrSlice> IntoIterator for Array<VA> {
type Item = VA::Element;
type IntoIter = ArrayIntoIter<VA>;
fn into_iter(self) -> Self::IntoIter {
ArrayIntoIter {
indexes: 0..self.len(),
array: self.value,
}
}
}
#[derive(Clone, Debug)]
pub struct ArrayExprIter<VA: ValueArrayOrSlice> {
array: Expr<Array<VA>>,
indexes: std::ops::Range<usize>,
}
impl<VA: ValueArrayOrSlice> Iterator for ArrayExprIter<VA> {
type Item = Expr<VA::Element>;
fn next(&mut self) -> Option<Self::Item> {
Some(ExprIndex::expr_index(self.array, self.indexes.next()?))
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.indexes.size_hint()
}
}
impl<VA: ValueArrayOrSlice> std::iter::FusedIterator for ArrayExprIter<VA> {}
impl<VA: ValueArrayOrSlice> ExactSizeIterator for ArrayExprIter<VA> {}
impl<VA: ValueArrayOrSlice> DoubleEndedIterator for ArrayExprIter<VA> {
fn next_back(&mut self) -> Option<Self::Item> {
Some(ExprIndex::expr_index(self.array, self.indexes.next_back()?))
}
}
impl<VA: ValueArrayOrSlice> IntoIterator for Expr<Array<VA>> {
type Item = Expr<VA::Element>;
type IntoIter = ArrayExprIter<VA>;
fn into_iter(self) -> Self::IntoIter {
self.iter()
}
}
impl<VA: ValueArrayOrSlice> IntoIterator for &'_ Expr<Array<VA>> {
type Item = Expr<VA::Element>;
type IntoIter = ArrayExprIter<VA>;
fn into_iter(self) -> Self::IntoIter {
self.iter()
}
}
impl<VA: ValueArrayOrSlice> Expr<Array<VA>> {
pub fn len(self) -> usize {
self.canonical_type().len()
}
pub fn is_empty(self) -> bool {
self.canonical_type().is_empty()
}
pub fn iter(self) -> ArrayExprIter<VA> {
ArrayExprIter {
indexes: 0..self.len(),
array: self,
}
type Output = Array<T, LEN>;
fn index(&self, len: ConstUsize<LEN>) -> &Self::Output {
Interned::<_>::into_inner(Intern::intern_sized(Array::new(self.element, len)))
}
}

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@ -2,111 +2,61 @@
// See Notices.txt for copyright information
use crate::{
expr::{Expr, ToExpr},
int::{UInt, UIntType},
intern::Interned,
hdl,
int::Bool,
reset::Reset,
source_location::SourceLocation,
ty::{
impl_match_values_as_self, CanonicalType, CanonicalTypeKind, CanonicalValue, Connect,
DynCanonicalType, StaticType, Type, TypeEnum, Value, ValueEnum,
},
util::interned_bit,
ty::{impl_match_variant_as_self, CanonicalType, StaticType, Type, TypeProperties},
};
use bitvec::slice::BitSlice;
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default)]
pub struct ClockType;
pub struct Clock;
impl ClockType {
pub const fn new() -> Self {
Self
}
}
impl Type for Clock {
type BaseType = Clock;
type MaskType = Bool;
impl Type for ClockType {
type Value = Clock;
type CanonicalType = ClockType;
type CanonicalValue = Clock;
type MaskType = UIntType<1>;
type MaskValue = UInt<1>;
impl_match_values_as_self!();
impl_match_variant_as_self!();
fn mask_type(&self) -> Self::MaskType {
UIntType::new()
Bool
}
fn type_enum(&self) -> TypeEnum {
TypeEnum::Clock(*self)
fn canonical(&self) -> CanonicalType {
CanonicalType::Clock(*self)
}
fn from_canonical_type(t: Self::CanonicalType) -> Self {
t
}
fn canonical(&self) -> Self::CanonicalType {
*self
}
fn source_location(&self) -> SourceLocation {
fn source_location() -> SourceLocation {
SourceLocation::builtin()
}
fn as_dyn_canonical_type_impl(this: &Self) -> Option<&dyn DynCanonicalType> {
Some(this)
fn from_canonical(canonical_type: CanonicalType) -> Self {
let CanonicalType::Clock(retval) = canonical_type else {
panic!("expected Clock");
};
retval
}
}
impl Connect<Self> for ClockType {}
impl CanonicalType for ClockType {
const CANONICAL_TYPE_KIND: CanonicalTypeKind = CanonicalTypeKind::Clock;
}
impl StaticType for ClockType {
fn static_type() -> Self {
Self
impl Clock {
pub fn type_properties(self) -> TypeProperties {
Self::TYPE_PROPERTIES
}
pub fn can_connect(self, _rhs: Self) -> bool {
true
}
}
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
pub struct Clock(pub bool);
impl ToExpr for Clock {
type Type = ClockType;
fn ty(&self) -> Self::Type {
ClockType
}
fn to_expr(&self) -> Expr<Self> {
Expr::from_value(self)
}
}
impl Value for Clock {
fn to_canonical(&self) -> <Self::Type as Type>::CanonicalValue {
*self
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
interned_bit(this.0)
}
}
impl CanonicalValue for Clock {
fn value_enum_impl(this: &Self) -> ValueEnum {
ValueEnum::Clock(*this)
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
interned_bit(this.0)
}
}
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Value)]
#[hdl(static, outline_generated)]
pub struct ClockDomain {
pub clk: Clock,
pub rst: Reset,
impl StaticType for Clock {
const TYPE: Self = Self;
const MASK_TYPE: Self::MaskType = Bool;
const TYPE_PROPERTIES: TypeProperties = TypeProperties {
is_passive: true,
is_storable: false,
is_castable_from_bits: true,
bit_width: 1,
};
const MASK_TYPE_PROPERTIES: TypeProperties = Bool::TYPE_PROPERTIES;
}
pub trait ToClock {
@ -137,10 +87,10 @@ impl ToClock for Expr<Clock> {
}
}
impl ToClock for Clock {
fn to_clock(&self) -> Expr<Clock> {
self.to_expr()
}
#[hdl]
pub struct ClockDomain {
pub clk: Clock,
pub rst: Reset,
}
impl ToClock for bool {
@ -148,9 +98,3 @@ impl ToClock for bool {
self.to_expr().to_clock()
}
}
impl ToClock for UInt<1> {
fn to_clock(&self) -> Expr<Clock> {
self.to_expr().to_clock()
}
}

View file

@ -1,190 +1,154 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
#![allow(clippy::type_complexity)]
use crate::{
bundle::{BundleValue, TypeHintTrait},
expr::{ops::VariantAccess, Expr, ToExpr},
int::{UInt, UIntType},
intern::{Intern, Interned, MemoizeGeneric},
hdl,
int::Bool,
intern::{Intern, Interned},
module::{
EnumMatchVariantAndInactiveScopeImpl, EnumMatchVariantsIterImpl, ModuleBuilder,
NormalModule, Scope,
EnumMatchVariantAndInactiveScopeImpl, EnumMatchVariantsIterImpl, ModuleBuilder, Scope,
},
source_location::SourceLocation,
ty::{
CanonicalType, CanonicalTypeKind, CanonicalValue, Connect, DynCanonicalType,
DynCanonicalValue, DynType, MatchVariantAndInactiveScope, Type, TypeEnum, Value, ValueEnum,
},
ty::{CanonicalType, MatchVariantAndInactiveScope, Type, TypeProperties},
};
use bitvec::{order::Lsb0, slice::BitSlice, vec::BitVec, view::BitView};
use hashbrown::HashMap;
use std::{
borrow::Cow,
fmt,
hash::{Hash, Hasher},
iter::FusedIterator,
marker::PhantomData,
};
use std::iter::FusedIterator;
#[derive(Copy, Clone, Debug, Hash, PartialEq, Eq)]
pub struct VariantType<T> {
#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
pub struct EnumVariant {
pub name: Interned<str>,
pub ty: Option<T>,
}
pub struct FmtDebugInEnum<'a, T>(&'a VariantType<T>);
impl<T: fmt::Debug> fmt::Debug for FmtDebugInEnum<'_, T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let VariantType { name, ref ty } = *self.0;
if let Some(ty) = ty {
write!(f, "{name}({ty:?})")
} else {
write!(f, "{name}")
}
}
}
impl<T: fmt::Debug> fmt::Display for FmtDebugInEnum<'_, T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self, f)
}
}
impl<T> VariantType<T> {
pub fn map_opt_ty<U, F: FnOnce(Option<T>) -> Option<U>>(self, f: F) -> VariantType<U> {
let Self { name, ty } = self;
VariantType { name, ty: f(ty) }
}
pub fn map_ty<U, F: FnOnce(T) -> U>(self, f: F) -> VariantType<U> {
let Self { name, ty } = self;
VariantType {
name,
ty: ty.map(f),
}
}
pub fn as_ref_ty(&self) -> VariantType<&T> {
VariantType {
name: self.name,
ty: self.ty.as_ref(),
}
}
pub fn fmt_debug_in_enum(&self) -> FmtDebugInEnum<T> {
FmtDebugInEnum(self)
}
}
impl<T: Type> VariantType<T> {
pub fn canonical(&self) -> VariantType<T::CanonicalType> {
self.as_ref_ty().map_ty(T::canonical)
}
pub fn to_dyn(&self) -> VariantType<Interned<dyn DynType>> {
self.as_ref_ty().map_ty(T::to_dyn)
}
pub fn canonical_dyn(&self) -> VariantType<Interned<dyn DynCanonicalType>> {
self.as_ref_ty().map_ty(T::canonical_dyn)
}
}
impl VariantType<Interned<dyn DynCanonicalType>> {
pub fn from_canonical_type_helper_has_value<T: Type>(self, expected_name: &str) -> T {
assert_eq!(&*self.name, expected_name, "variant name doesn't match");
let Some(ty) = self.ty else {
panic!("variant {expected_name} has no value but a value is expected");
};
T::from_dyn_canonical_type(ty)
}
pub fn from_canonical_type_helper_no_value(self, expected_name: &str) {
assert_eq!(&*self.name, expected_name, "variant name doesn't match");
assert!(
self.ty.is_none(),
"variant {expected_name} has a value but is expected to have no value"
);
}
pub ty: Option<CanonicalType>,
}
#[derive(Clone, Eq)]
struct DynEnumTypeImpl {
variants: Interned<[VariantType<Interned<dyn DynCanonicalType>>]>,
struct EnumImpl {
variants: Interned<[EnumVariant]>,
name_indexes: HashMap<Interned<str>, usize>,
bit_width: usize,
is_storable: bool,
is_castable_from_bits: bool,
type_properties: TypeProperties,
}
impl fmt::Debug for DynEnumTypeImpl {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "DynEnumType ")?;
f.debug_set()
.entries(
self.variants
.iter()
.map(|variant| variant.fmt_debug_in_enum()),
)
impl std::fmt::Debug for EnumImpl {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Enum")
.field("variants", &self.variants)
.field("name_indexes", &self.name_indexes)
.field("type_properties", &self.type_properties)
.finish()
}
}
impl PartialEq for DynEnumTypeImpl {
impl std::hash::Hash for EnumImpl {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.variants.hash(state);
}
}
impl PartialEq for EnumImpl {
fn eq(&self, other: &Self) -> bool {
self.variants == other.variants
}
}
impl Hash for DynEnumTypeImpl {
fn hash<H: Hasher>(&self, state: &mut H) {
self.variants.hash(state);
#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
pub struct Enum(Interned<EnumImpl>);
const fn discriminant_bit_width_impl(variant_count: usize) -> usize {
match variant_count.next_power_of_two().checked_ilog2() {
Some(x) => x as usize,
None => 0,
}
}
#[derive(Copy, Clone, Hash, PartialEq, Eq)]
pub struct DynEnumType(Interned<DynEnumTypeImpl>);
#[derive(Clone)]
pub struct EnumTypePropertiesBuilder {
type_properties: TypeProperties,
variant_count: usize,
}
impl fmt::Debug for DynEnumType {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
impl EnumTypePropertiesBuilder {
#[must_use]
pub const fn new() -> Self {
Self {
type_properties: TypeProperties {
is_passive: true,
is_storable: true,
is_castable_from_bits: true,
bit_width: 0,
},
variant_count: 0,
}
}
pub const fn clone(&self) -> Self {
Self { ..*self }
}
#[must_use]
pub const fn variant(self, field_props: Option<TypeProperties>) -> Self {
let Self {
mut type_properties,
variant_count,
} = self;
if let Some(TypeProperties {
is_passive,
is_storable,
is_castable_from_bits,
bit_width,
}) = field_props
{
assert!(is_passive, "variant type must be a passive type");
type_properties = TypeProperties {
is_passive: true,
is_storable: type_properties.is_storable & is_storable,
is_castable_from_bits: type_properties.is_castable_from_bits
& is_castable_from_bits,
bit_width: if type_properties.bit_width < bit_width {
bit_width
} else {
type_properties.bit_width
},
};
}
Self {
type_properties,
variant_count: variant_count + 1,
}
}
pub const fn finish(self) -> TypeProperties {
assert!(
self.variant_count != 0,
"zero-variant enums aren't yet supported: \
https://github.com/chipsalliance/firrtl-spec/issues/208",
);
let Some(bit_width) = self
.type_properties
.bit_width
.checked_add(discriminant_bit_width_impl(self.variant_count))
else {
panic!("enum is too big: bit-width overflowed");
};
TypeProperties {
bit_width,
..self.type_properties
}
}
}
fn discriminant_bit_width_impl(variant_count: usize) -> usize {
variant_count
.next_power_of_two()
.checked_ilog2()
.unwrap_or(0) as usize
}
impl DynEnumType {
impl Enum {
#[track_caller]
pub fn new(variants: Interned<[VariantType<Interned<dyn DynCanonicalType>>]>) -> Self {
assert!(!variants.is_empty(), "zero-variant enums aren't yet supported: https://github.com/chipsalliance/firrtl-spec/issues/208");
pub fn new(variants: Interned<[EnumVariant]>) -> Self {
let mut name_indexes = HashMap::with_capacity(variants.len());
let mut body_bit_width = 0usize;
let mut is_storable = true;
let mut is_castable_from_bits = true;
for (index, &VariantType { name, ty }) in variants.iter().enumerate() {
if let Some(old_index) = name_indexes.insert(name, index) {
let mut type_props_builder = EnumTypePropertiesBuilder::new();
for (index, EnumVariant { name, ty }) in variants.iter().enumerate() {
if let Some(old_index) = name_indexes.insert(*name, index) {
panic!("duplicate variant name {name:?}: at both index {old_index} and {index}");
}
if let Some(ty) = ty {
assert!(
ty.is_passive(),
"variant type must be a passive type: {ty:?}"
);
body_bit_width = body_bit_width.max(ty.bit_width());
is_storable &= ty.is_storable();
is_castable_from_bits &= ty.is_castable_from_bits();
}
type_props_builder = type_props_builder.variant(ty.map(CanonicalType::type_properties));
}
let bit_width = body_bit_width
.checked_add(discriminant_bit_width_impl(variants.len()))
.unwrap_or_else(|| panic!("enum is too big: bit-width overflowed"));
Self(
DynEnumTypeImpl {
EnumImpl {
variants,
name_indexes,
bit_width,
is_storable,
is_castable_from_bits,
type_properties: type_props_builder.finish(),
}
.intern_sized(),
)
@ -192,233 +156,62 @@ impl DynEnumType {
pub fn discriminant_bit_width(self) -> usize {
discriminant_bit_width_impl(self.variants().len())
}
pub fn is_passive(self) -> bool {
true
}
pub fn is_storable(self) -> bool {
self.0.is_storable
}
pub fn is_castable_from_bits(self) -> bool {
self.0.is_castable_from_bits
}
pub fn bit_width(self) -> usize {
self.0.bit_width
pub fn type_properties(self) -> TypeProperties {
self.0.type_properties
}
pub fn name_indexes(&self) -> &HashMap<Interned<str>, usize> {
&self.0.name_indexes
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct DynEnum {
ty: DynEnumType,
variant_index: usize,
variant_value: Option<DynCanonicalValue>,
}
impl DynEnum {
#[track_caller]
pub fn new_by_index(
ty: DynEnumType,
variant_index: usize,
variant_value: Option<DynCanonicalValue>,
) -> Self {
let variant = ty.variants()[variant_index];
assert_eq!(
variant_value.as_ref().map(|v| v.ty()),
variant.ty,
"variant value doesn't match type"
);
Self {
ty,
variant_index,
variant_value,
pub fn can_connect(self, rhs: Self) -> bool {
if self.0.variants.len() != rhs.0.variants.len() {
return false;
}
}
#[track_caller]
pub fn new_by_name(
ty: DynEnumType,
variant_name: Interned<str>,
variant_value: Option<DynCanonicalValue>,
) -> Self {
let variant_index = ty.name_indexes()[&variant_name];
Self::new_by_index(ty, variant_index, variant_value)
}
pub fn variant_index(&self) -> usize {
self.variant_index
}
pub fn variant_value(&self) -> &Option<DynCanonicalValue> {
&self.variant_value
}
pub fn variant_with_type(&self) -> VariantType<Interned<dyn DynCanonicalType>> {
self.ty.variants()[self.variant_index]
}
pub fn variant_name(&self) -> Interned<str> {
self.variant_with_type().name
}
pub fn variant_type(&self) -> Option<Interned<dyn DynCanonicalType>> {
self.variant_with_type().ty
}
pub fn variant_with_value(&self) -> VariantType<&DynCanonicalValue> {
self.variant_with_type()
.map_opt_ty(|_| self.variant_value.as_ref())
}
}
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
pub struct VariantsHint {
pub known_variants: Interned<[VariantType<Interned<dyn TypeHintTrait>>]>,
pub more_variants: bool,
}
impl VariantsHint {
pub fn new(
known_variants: impl IntoIterator<Item = VariantType<Interned<dyn TypeHintTrait>>>,
more_variants: bool,
) -> Self {
let known_variants = Intern::intern_owned(Vec::from_iter(known_variants));
Self {
known_variants,
more_variants,
}
}
pub fn check_variant(
self,
index: usize,
variant: VariantType<&dyn DynType>,
) -> Result<(), String> {
let Some(&known_variant) = self.known_variants.get(index) else {
return if self.more_variants {
Ok(())
} else {
Err(format!(
"too many variants: name={:?} index={index}",
variant.name
))
};
};
let VariantType {
name: known_name,
ty: type_hint,
} = known_variant;
let VariantType { name, ty } = variant;
if name != known_name {
Err(format!(
"wrong variant name {name:?}, expected {known_name:?}"
))
} else {
match (ty, type_hint) {
(Some(ty), Some(type_hint)) => type_hint.matches(ty),
(None, None) => Ok(()),
(None, Some(_)) => Err(format!(
"expected variant {name:?} to have type, no type provided"
)),
(Some(_), None) => Err(format!(
"expected variant {name:?} to have no type, but a type was provided"
)),
for (
&EnumVariant {
name: lhs_name,
ty: lhs_ty,
},
&EnumVariant {
name: rhs_name,
ty: rhs_ty,
},
) in self.0.variants.iter().zip(rhs.0.variants.iter())
{
if lhs_name != rhs_name {
return false;
}
match (lhs_ty, rhs_ty) {
(None, None) => {}
(None, Some(_)) | (Some(_), None) => return false,
(Some(lhs_ty), Some(rhs_ty)) => {
if !lhs_ty.can_connect(rhs_ty) {
return false;
}
}
}
}
true
}
}
pub trait EnumType:
Type<
CanonicalType = DynEnumType,
CanonicalValue = DynEnum,
MaskType = UIntType<1>,
MaskValue = UInt<1>,
MatchActiveScope = Scope,
MatchVariantAndInactiveScope = EnumMatchVariantAndInactiveScope<Self>,
MatchVariantsIter = EnumMatchVariantsIter<Self>,
> + Connect<Self>
where
Self::Value: EnumValue + ToExpr<Type = Self>,
BaseType = Enum,
MaskType = Bool,
MatchActiveScope = Scope,
MatchVariantAndInactiveScope = EnumMatchVariantAndInactiveScope<Self>,
MatchVariantsIter = EnumMatchVariantsIter<Self>,
>
{
type Builder;
fn variants(&self) -> Interned<[EnumVariant]>;
fn match_activate_scope(
v: Self::MatchVariantAndInactiveScope,
) -> (Self::MatchVariant, Self::MatchActiveScope);
fn builder() -> Self::Builder;
fn variants(&self) -> Interned<[VariantType<Interned<dyn DynCanonicalType>>]>;
fn variants_hint() -> VariantsHint;
#[allow(clippy::result_unit_err)]
fn variant_to_bits<VariantValue: ToExpr + Eq + Hash + Send + Sync + 'static + Clone>(
&self,
variant_index: usize,
variant_value: Option<&VariantValue>,
) -> Result<Interned<BitSlice>, ()> {
#[derive(Hash, Eq, PartialEq)]
struct VariantToBitsMemoize<E, V>(PhantomData<(E, V)>);
impl<E, V> Clone for VariantToBitsMemoize<E, V> {
fn clone(&self) -> Self {
*self
}
}
impl<E, V> Copy for VariantToBitsMemoize<E, V> {}
impl<
E: EnumType<Value: EnumValue<Type = E>>,
V: ToExpr + Eq + Hash + Send + Sync + 'static + Clone,
> MemoizeGeneric for VariantToBitsMemoize<E, V>
{
type InputRef<'a> = (&'a E, usize, Option<&'a V>);
type InputOwned = (E, usize, Option<V>);
type InputCow<'a> = (Cow<'a, E>, usize, Option<Cow<'a, V>>);
type Output = Result<Interned<BitSlice>, ()>;
fn input_borrow(input: &Self::InputOwned) -> Self::InputRef<'_> {
(&input.0, input.1, input.2.as_ref())
}
fn input_eq(a: Self::InputRef<'_>, b: Self::InputRef<'_>) -> bool {
a == b
}
fn input_cow_into_owned(input: Self::InputCow<'_>) -> Self::InputOwned {
(input.0.into_owned(), input.1, input.2.map(Cow::into_owned))
}
fn input_cow_borrow<'a>(input: &'a Self::InputCow<'_>) -> Self::InputRef<'a> {
(&input.0, input.1, input.2.as_deref())
}
fn input_cow_from_owned<'a>(input: Self::InputOwned) -> Self::InputCow<'a> {
(Cow::Owned(input.0), input.1, input.2.map(Cow::Owned))
}
fn input_cow_from_ref(input: Self::InputRef<'_>) -> Self::InputCow<'_> {
(Cow::Borrowed(input.0), input.1, input.2.map(Cow::Borrowed))
}
fn inner(self, input: Self::InputRef<'_>) -> Self::Output {
let (ty, variant_index, variant_value) = input;
let ty = ty.canonical();
let mut bits = BitVec::with_capacity(ty.bit_width());
bits.extend_from_bitslice(
&variant_index.view_bits::<Lsb0>()[..ty.discriminant_bit_width()],
);
if let Some(variant_value) = variant_value {
bits.extend_from_bitslice(&variant_value.to_expr().to_literal_bits()?);
}
bits.resize(ty.bit_width(), false);
Ok(Intern::intern_owned(bits))
}
}
VariantToBitsMemoize::<Self, VariantValue>(PhantomData).get((
self,
variant_index,
variant_value,
))
}
}
pub trait EnumValue: Value
where
<Self as ToExpr>::Type: EnumType<Value = Self>,
{
}
pub struct EnumMatchVariantAndInactiveScope<T: EnumType>(EnumMatchVariantAndInactiveScopeImpl<T>);
pub struct EnumMatchVariantAndInactiveScope<T: EnumType>(EnumMatchVariantAndInactiveScopeImpl<T>)
where
T::Value: EnumValue<Type = T>;
impl<T: EnumType> MatchVariantAndInactiveScope for EnumMatchVariantAndInactiveScope<T>
where
T::Value: EnumValue<Type = T>,
{
impl<T: EnumType> MatchVariantAndInactiveScope for EnumMatchVariantAndInactiveScope<T> {
type MatchVariant = T::MatchVariant;
type MatchActiveScope = Scope;
@ -427,36 +220,22 @@ where
}
}
impl<T: EnumType> EnumMatchVariantAndInactiveScope<T>
where
T::Value: EnumValue<Type = T>,
{
pub fn variant_access(&self) -> Interned<VariantAccess<T, Interned<dyn DynCanonicalType>>> {
impl<T: EnumType> EnumMatchVariantAndInactiveScope<T> {
pub fn variant_access(&self) -> VariantAccess {
self.0.variant_access()
}
pub fn activate(
self,
) -> (
Interned<VariantAccess<T, Interned<dyn DynCanonicalType>>>,
Scope,
) {
pub fn activate(self) -> (VariantAccess, Scope) {
self.0.activate()
}
}
#[derive(Clone)]
pub struct EnumMatchVariantsIter<T: EnumType>
where
T::Value: EnumValue<Type = T>,
{
pub struct EnumMatchVariantsIter<T: EnumType> {
pub(crate) inner: EnumMatchVariantsIterImpl<T>,
pub(crate) variant_index: std::ops::Range<usize>,
}
impl<T: EnumType> Iterator for EnumMatchVariantsIter<T>
where
T::Value: EnumValue<Type = T>,
{
impl<T: EnumType> Iterator for EnumMatchVariantsIter<T> {
type Item = EnumMatchVariantAndInactiveScope<T>;
fn next(&mut self) -> Option<Self::Item> {
@ -470,21 +249,15 @@ where
}
}
impl<T: EnumType> ExactSizeIterator for EnumMatchVariantsIter<T>
where
T::Value: EnumValue<Type = T>,
{
impl<T: EnumType> ExactSizeIterator for EnumMatchVariantsIter<T> {
fn len(&self) -> usize {
self.variant_index.len()
}
}
impl<T: EnumType> FusedIterator for EnumMatchVariantsIter<T> where T::Value: EnumValue<Type = T> {}
impl<T: EnumType> FusedIterator for EnumMatchVariantsIter<T> {}
impl<T: EnumType> DoubleEndedIterator for EnumMatchVariantsIter<T>
where
T::Value: EnumValue<Type = T>,
{
impl<T: EnumType> DoubleEndedIterator for EnumMatchVariantsIter<T> {
fn next_back(&mut self) -> Option<Self::Item> {
self.variant_index.next_back().map(|variant_index| {
EnumMatchVariantAndInactiveScope(self.inner.for_variant_index(variant_index))
@ -492,129 +265,55 @@ where
}
}
impl Type for DynEnumType {
type CanonicalType = DynEnumType;
type Value = DynEnum;
type CanonicalValue = DynEnum;
type MaskType = UIntType<1>;
type MaskValue = UInt<1>;
type MatchVariant = Option<Expr<DynCanonicalValue>>;
type MatchActiveScope = Scope;
type MatchVariantAndInactiveScope = EnumMatchVariantAndInactiveScope<Self>;
type MatchVariantsIter = EnumMatchVariantsIter<Self>;
fn match_variants<IO: BundleValue>(
this: Expr<Self::Value>,
module_builder: &mut ModuleBuilder<IO, NormalModule>,
source_location: SourceLocation,
) -> Self::MatchVariantsIter
where
IO::Type: crate::bundle::BundleType<Value = IO>,
{
module_builder.enum_match_variants_helper(this, source_location)
}
fn mask_type(&self) -> Self::MaskType {
UIntType::new()
}
fn canonical(&self) -> Self::CanonicalType {
*self
}
fn source_location(&self) -> SourceLocation {
SourceLocation::builtin()
}
fn type_enum(&self) -> TypeEnum {
TypeEnum::EnumType(*self)
}
fn from_canonical_type(t: Self::CanonicalType) -> Self {
t
}
fn as_dyn_canonical_type_impl(this: &Self) -> Option<&dyn DynCanonicalType> {
Some(this)
}
}
impl Connect<Self> for DynEnumType {}
pub struct NoBuilder;
impl EnumType for DynEnumType {
type Builder = NoBuilder;
impl EnumType for Enum {
fn match_activate_scope(
v: Self::MatchVariantAndInactiveScope,
) -> (Self::MatchVariant, Self::MatchActiveScope) {
let (expr, scope) = v.0.activate();
(expr.variant_type().ty.map(|_| expr.to_expr()), scope)
(expr.variant_type().map(|_| expr.to_expr()), scope)
}
fn builder() -> Self::Builder {
NoBuilder
}
fn variants(&self) -> Interned<[VariantType<Interned<dyn DynCanonicalType>>]> {
fn variants(&self) -> Interned<[EnumVariant]> {
self.0.variants
}
}
fn variants_hint() -> VariantsHint {
VariantsHint {
known_variants: [][..].intern(),
more_variants: true,
}
impl Type for Enum {
type BaseType = Enum;
type MaskType = Bool;
type MatchVariant = Option<Expr<CanonicalType>>;
type MatchActiveScope = Scope;
type MatchVariantAndInactiveScope = EnumMatchVariantAndInactiveScope<Self>;
type MatchVariantsIter = EnumMatchVariantsIter<Self>;
fn match_variants(
this: Expr<Self>,
source_location: SourceLocation,
) -> Self::MatchVariantsIter {
ModuleBuilder::enum_match_variants_helper(this, source_location)
}
fn mask_type(&self) -> Self::MaskType {
Bool
}
fn canonical(&self) -> CanonicalType {
CanonicalType::Enum(*self)
}
#[track_caller]
fn from_canonical(canonical_type: CanonicalType) -> Self {
let CanonicalType::Enum(retval) = canonical_type else {
panic!("expected enum");
};
retval
}
fn source_location() -> SourceLocation {
SourceLocation::builtin()
}
}
impl CanonicalType for DynEnumType {
const CANONICAL_TYPE_KIND: CanonicalTypeKind = CanonicalTypeKind::EnumType;
}
impl ToExpr for DynEnum {
type Type = DynEnumType;
fn ty(&self) -> Self::Type {
self.ty
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
Expr::from_value(self)
}
}
impl Value for DynEnum {
fn to_canonical(&self) -> <Self::Type as Type>::CanonicalValue {
self.clone()
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
this.ty
.variant_to_bits(this.variant_index, this.variant_value.as_ref())
.unwrap()
}
}
impl EnumValue for DynEnum {}
impl CanonicalValue for DynEnum {
fn value_enum_impl(this: &Self) -> ValueEnum {
ValueEnum::Enum(this.clone())
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
this.ty
.variant_to_bits(this.variant_index, this.variant_value.as_ref())
.unwrap()
}
}
mod impl_option {
#[allow(dead_code)]
#[derive(crate::ty::Value)]
#[hdl(target(std::option::Option), connect_inexact, outline_generated)]
pub enum Option<T> {
None,
Some(T),
}
#[hdl]
pub enum HdlOption<T: Type> {
None,
Some(T),
}

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@ -0,0 +1,432 @@
use crate::{
array::Array,
bundle::{Bundle, BundleField},
expr::Flow,
intern::{Intern, Interned},
memory::{DynPortType, MemPort},
module::{Instance, ModuleIO, TargetName},
reg::Reg,
source_location::SourceLocation,
ty::{CanonicalType, Type},
wire::Wire,
};
use std::fmt;
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct TargetPathBundleField {
pub name: Interned<str>,
}
impl fmt::Display for TargetPathBundleField {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, ".{}", self.name)
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct TargetPathArrayElement {
pub index: usize,
}
impl fmt::Display for TargetPathArrayElement {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "[{}]", self.index)
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct TargetPathDynArrayElement {}
impl fmt::Display for TargetPathDynArrayElement {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "[<dyn>]")
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum TargetPathElement {
BundleField(TargetPathBundleField),
ArrayElement(TargetPathArrayElement),
DynArrayElement(TargetPathDynArrayElement),
}
impl From<TargetPathBundleField> for TargetPathElement {
fn from(value: TargetPathBundleField) -> Self {
Self::BundleField(value)
}
}
impl From<TargetPathArrayElement> for TargetPathElement {
fn from(value: TargetPathArrayElement) -> Self {
Self::ArrayElement(value)
}
}
impl From<TargetPathDynArrayElement> for TargetPathElement {
fn from(value: TargetPathDynArrayElement) -> Self {
Self::DynArrayElement(value)
}
}
impl fmt::Display for TargetPathElement {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::BundleField(v) => v.fmt(f),
Self::ArrayElement(v) => v.fmt(f),
Self::DynArrayElement(v) => v.fmt(f),
}
}
}
impl TargetPathElement {
pub fn canonical_ty(&self, parent: Interned<Target>) -> CanonicalType {
match self {
&Self::BundleField(TargetPathBundleField { name }) => {
let parent_ty = Bundle::from_canonical(parent.canonical_ty());
let field = parent_ty
.field_by_name(name)
.expect("field name is known to be a valid field of parent type");
field.ty
}
&Self::ArrayElement(TargetPathArrayElement { index }) => {
let parent_ty = Array::<CanonicalType>::from_canonical(parent.canonical_ty());
assert!(index < parent_ty.len());
parent_ty.element()
}
Self::DynArrayElement(_) => {
let parent_ty = Array::<CanonicalType>::from_canonical(parent.canonical_ty());
parent_ty.element()
}
}
}
pub fn flow(&self, parent: Interned<Target>) -> Flow {
match self {
Self::BundleField(v) => {
let parent_ty = Bundle::from_canonical(parent.canonical_ty());
let field = parent_ty
.field_by_name(v.name)
.expect("field name is known to be a valid field of parent type");
parent.flow().flip_if(field.flipped)
}
Self::ArrayElement(_) => parent.flow(),
Self::DynArrayElement(_) => parent.flow(),
}
}
pub fn is_static(&self) -> bool {
match self {
Self::BundleField(_) | Self::ArrayElement(_) => true,
Self::DynArrayElement(_) => false,
}
}
}
macro_rules! impl_target_base {
(
$(#[$enum_meta:meta])*
$enum_vis:vis enum $TargetBase:ident {
$(
#[is = $is_fn:ident]
#[to = $to_fn:ident]
$(#[$variant_meta:meta])*
$Variant:ident($VariantTy:ty),
)*
}
) => {
$(#[$enum_meta])*
$enum_vis enum $TargetBase {
$(
$(#[$variant_meta])*
$Variant($VariantTy),
)*
}
impl fmt::Debug for $TargetBase {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
$(Self::$Variant(v) => v.fmt(f),)*
}
}
}
$(
impl From<$VariantTy> for $TargetBase {
fn from(value: $VariantTy) -> Self {
Self::$Variant(value)
}
}
impl From<$VariantTy> for Target {
fn from(value: $VariantTy) -> Self {
$TargetBase::$Variant(value).into()
}
}
)*
impl $TargetBase {
$(
$enum_vis fn $is_fn(&self) -> bool {
self.$to_fn().is_some()
}
$enum_vis fn $to_fn(&self) -> Option<&$VariantTy> {
if let Self::$Variant(retval) = self {
Some(retval)
} else {
None
}
}
)*
$enum_vis fn must_connect_to(&self) -> bool {
match self {
$(Self::$Variant(v) => v.must_connect_to(),)*
}
}
$enum_vis fn flow(&self) -> Flow {
match self {
$(Self::$Variant(v) => v.flow(),)*
}
}
$enum_vis fn source_location(&self) -> SourceLocation {
match self {
$(Self::$Variant(v) => v.source_location(),)*
}
}
}
};
}
impl_target_base! {
#[derive(Clone, PartialEq, Eq, Hash)]
pub enum TargetBase {
#[is = is_module_io]
#[to = module_io]
ModuleIO(ModuleIO<CanonicalType>),
#[is = is_mem_port]
#[to = mem_port]
MemPort(MemPort<DynPortType>),
#[is = is_reg]
#[to = reg]
Reg(Reg<CanonicalType>),
#[is = is_wire]
#[to = wire]
Wire(Wire<CanonicalType>),
#[is = is_instance]
#[to = instance]
Instance(Instance<Bundle>),
}
}
impl fmt::Display for TargetBase {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{:?}", self.target_name())
}
}
impl TargetBase {
pub fn target_name(&self) -> TargetName {
match self {
TargetBase::ModuleIO(v) => TargetName(v.scoped_name(), None),
TargetBase::MemPort(v) => TargetName(v.mem_name(), Some(v.port_name())),
TargetBase::Reg(v) => TargetName(v.scoped_name(), None),
TargetBase::Wire(v) => TargetName(v.scoped_name(), None),
TargetBase::Instance(v) => TargetName(v.scoped_name(), None),
}
}
pub fn canonical_ty(&self) -> CanonicalType {
match self {
TargetBase::ModuleIO(v) => v.ty(),
TargetBase::MemPort(v) => v.ty().canonical(),
TargetBase::Reg(v) => v.ty(),
TargetBase::Wire(v) => v.ty(),
TargetBase::Instance(v) => v.ty().canonical(),
}
}
}
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub struct TargetChild {
parent: Interned<Target>,
path_element: Interned<TargetPathElement>,
canonical_ty: CanonicalType,
flow: Flow,
}
impl fmt::Debug for TargetChild {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let Self {
parent,
path_element,
canonical_ty: _,
flow: _,
} = self;
parent.fmt(f)?;
fmt::Display::fmt(path_element, f)
}
}
impl fmt::Display for TargetChild {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let Self {
parent,
path_element,
canonical_ty: _,
flow: _,
} = self;
parent.fmt(f)?;
path_element.fmt(f)
}
}
impl TargetChild {
pub fn new(parent: Interned<Target>, path_element: Interned<TargetPathElement>) -> Self {
Self {
parent,
path_element,
canonical_ty: path_element.canonical_ty(parent),
flow: path_element.flow(parent),
}
}
pub fn parent(self) -> Interned<Target> {
self.parent
}
pub fn path_element(self) -> Interned<TargetPathElement> {
self.path_element
}
pub fn canonical_ty(self) -> CanonicalType {
self.canonical_ty
}
pub fn flow(self) -> Flow {
self.flow
}
pub fn bundle_field(self) -> Option<BundleField> {
if let TargetPathElement::BundleField(TargetPathBundleField { name }) = *self.path_element {
let parent_ty = Bundle::from_canonical(self.parent.canonical_ty());
Some(
parent_ty
.field_by_name(name)
.expect("field name known to be a valid field of parent"),
)
} else {
None
}
}
}
#[derive(Clone, PartialEq, Eq, Hash)]
pub enum Target {
Base(Interned<TargetBase>),
Child(TargetChild),
}
impl From<TargetBase> for Target {
fn from(value: TargetBase) -> Self {
Self::Base(Intern::intern_sized(value))
}
}
impl From<TargetChild> for Target {
fn from(value: TargetChild) -> Self {
Self::Child(value)
}
}
impl From<Interned<TargetBase>> for Target {
fn from(value: Interned<TargetBase>) -> Self {
Self::Base(value)
}
}
impl Target {
pub fn base(&self) -> Interned<TargetBase> {
let mut target = self;
loop {
match target {
Self::Base(v) => break *v,
Self::Child(v) => target = &v.parent,
}
}
}
pub fn child(&self) -> Option<TargetChild> {
match *self {
Target::Base(_) => None,
Target::Child(v) => Some(v),
}
}
pub fn is_static(&self) -> bool {
let mut target = self;
loop {
match target {
Self::Base(_) => return true,
Self::Child(v) if !v.path_element().is_static() => return false,
Self::Child(v) => target = &v.parent,
}
}
}
#[must_use]
pub fn join(&self, path_element: Interned<TargetPathElement>) -> Self {
TargetChild::new(self.intern(), path_element).into()
}
pub fn flow(&self) -> Flow {
match self {
Self::Base(v) => v.flow(),
Self::Child(v) => v.flow(),
}
}
pub fn canonical_ty(&self) -> CanonicalType {
match self {
Target::Base(v) => v.canonical_ty(),
Target::Child(v) => v.canonical_ty(),
}
}
}
impl fmt::Display for Target {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Base(v) => v.fmt(f),
Self::Child(v) => v.fmt(f),
}
}
}
impl fmt::Debug for Target {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Base(v) => v.fmt(f),
Self::Child(v) => v.fmt(f),
}
}
}
pub trait GetTarget {
fn target(&self) -> Option<Interned<Target>>;
}
impl GetTarget for bool {
fn target(&self) -> Option<Interned<Target>> {
None
}
}
impl<T: ?Sized + GetTarget + Send + Sync + 'static> GetTarget for Interned<T> {
fn target(&self) -> Option<Interned<Target>> {
T::target(self)
}
}
impl<T: ?Sized + GetTarget> GetTarget for &'_ T {
fn target(&self) -> Option<Interned<Target>> {
T::target(self)
}
}
impl<T: ?Sized + GetTarget> GetTarget for &'_ mut T {
fn target(&self) -> Option<Interned<Target>> {
T::target(self)
}
}
impl<T: ?Sized + GetTarget> GetTarget for Box<T> {
fn target(&self) -> Option<Interned<Target>> {
T::target(self)
}
}

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@ -22,6 +22,179 @@ use std::{
pub mod type_map;
pub trait LazyInternedTrait<T: ?Sized + Send + Sync + 'static>: Send + Sync + Any {
fn get(&self) -> Interned<T>;
}
impl<T: ?Sized + Send + Sync + 'static, F: ?Sized + Fn() -> Interned<T> + Send + Sync + Any>
LazyInternedTrait<T> for F
{
fn get(&self) -> Interned<T> {
self()
}
}
#[repr(transparent)]
pub struct LazyInternedFn<T: ?Sized + Send + Sync + 'static>(pub &'static dyn LazyInternedTrait<T>);
impl<T: ?Sized + Send + Sync + 'static> Copy for LazyInternedFn<T> {}
impl<T: ?Sized + Send + Sync + 'static> Clone for LazyInternedFn<T> {
fn clone(&self) -> Self {
*self
}
}
impl<T: ?Sized + Send + Sync + 'static> Hash for LazyInternedFn<T> {
fn hash<H: Hasher>(&self, state: &mut H) {
self.0.get_ptr_eq_with_type_id().hash(state);
}
}
impl<T: ?Sized + Send + Sync + 'static> Eq for LazyInternedFn<T> {}
impl<T: ?Sized + Send + Sync + 'static> PartialEq for LazyInternedFn<T> {
fn eq(&self, other: &Self) -> bool {
self.0.get_ptr_eq_with_type_id() == other.0.get_ptr_eq_with_type_id()
}
}
pub enum LazyInterned<T: ?Sized + Send + Sync + 'static> {
Interned(Interned<T>),
Lazy(LazyInternedFn<T>),
}
impl<T: ?Sized + Send + Sync + 'static> LazyInterned<T> {
pub const fn new_lazy(v: &'static dyn LazyInternedTrait<T>) -> Self {
Self::Lazy(LazyInternedFn(v))
}
}
impl<T: ?Sized + Sync + Send + 'static> Clone for LazyInterned<T> {
fn clone(&self) -> Self {
*self
}
}
impl<T: ?Sized + Sync + Send + 'static> Copy for LazyInterned<T> {}
impl<T: ?Sized + Sync + Send + 'static + Intern> Deref for LazyInterned<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
Interned::into_inner(self.interned())
}
}
impl<T: ?Sized + Sync + Send + 'static + Intern> Eq for LazyInterned<T> where Interned<T>: Eq {}
impl<T: ?Sized + Sync + Send + 'static + Intern> PartialEq for LazyInterned<T>
where
Interned<T>: PartialEq,
{
fn eq(&self, other: &Self) -> bool {
self.interned() == other.interned()
}
}
impl<T: ?Sized + Sync + Send + 'static + Intern> Ord for LazyInterned<T>
where
Interned<T>: Ord,
{
fn cmp(&self, other: &Self) -> Ordering {
self.interned().cmp(&other.interned())
}
}
impl<T: ?Sized + Sync + Send + 'static + Intern> PartialOrd for LazyInterned<T>
where
Interned<T>: PartialOrd,
{
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
self.interned().partial_cmp(&other.interned())
}
}
impl<T: ?Sized + Sync + Send + 'static + Intern> Hash for LazyInterned<T>
where
Interned<T>: Hash,
{
fn hash<H: Hasher>(&self, state: &mut H) {
self.interned().hash(state);
}
}
impl<T: ?Sized + Sync + Send + 'static> LazyInterned<T> {
pub fn interned(self) -> Interned<T>
where
T: Intern,
{
struct MemoizeInterned<T: ?Sized + Intern>(PhantomData<T>);
impl<T: ?Sized + Intern> Hash for MemoizeInterned<T> {
fn hash<H: Hasher>(&self, _state: &mut H) {}
}
impl<T: ?Sized + Intern> PartialEq for MemoizeInterned<T> {
fn eq(&self, _other: &Self) -> bool {
true
}
}
impl<T: ?Sized + Intern> Eq for MemoizeInterned<T> {}
impl<T: ?Sized + Intern> Clone for MemoizeInterned<T> {
fn clone(&self) -> Self {
*self
}
}
impl<T: ?Sized + Intern> Copy for MemoizeInterned<T> {}
impl<T: ?Sized + Intern> MemoizeGeneric for MemoizeInterned<T> {
type InputRef<'a> = LazyInternedFn<T>;
type InputOwned = LazyInternedFn<T>;
type InputCow<'a> = LazyInternedFn<T>;
type Output = Interned<T>;
fn input_eq(a: Self::InputRef<'_>, b: Self::InputRef<'_>) -> bool {
a == b
}
fn input_borrow(input: &Self::InputOwned) -> Self::InputRef<'_> {
*input
}
fn input_cow_into_owned(input: Self::InputCow<'_>) -> Self::InputOwned {
input
}
fn input_cow_borrow<'a>(input: &'a Self::InputCow<'_>) -> Self::InputRef<'a> {
*input
}
fn input_cow_from_owned<'a>(input: Self::InputOwned) -> Self::InputCow<'a> {
input
}
fn input_cow_from_ref(input: Self::InputRef<'_>) -> Self::InputCow<'_> {
input
}
fn inner(self, input: Self::InputRef<'_>) -> Self::Output {
input.0.get()
}
}
match self {
Self::Interned(retval) => retval,
Self::Lazy(retval) => MemoizeInterned(PhantomData).get(retval),
}
}
}
pub trait InternedCompare {
type InternedCompareKey: Ord + Hash;
fn interned_compare_key_ref(this: &Self) -> Self::InternedCompareKey;
@ -471,6 +644,12 @@ pub struct Interned<T: ?Sized + 'static + Send + Sync, C: InternContext = Global
macro_rules! forward_fmt_trait {
($Tr:ident) => {
impl<T: ?Sized + Intern + fmt::$Tr> fmt::$Tr for LazyInterned<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
T::fmt(&**self, f)
}
}
impl<T: ?Sized + 'static + Send + Sync + fmt::$Tr, C: InternContext> fmt::$Tr
for Interned<T, C>
{

View file

@ -12,7 +12,6 @@ extern crate self as fayalite;
pub use std as __std;
#[doc(inline)]
#[doc(alias = "hdl")]
/// The `#[hdl_module]` attribute is applied to a Rust function so that that function creates
/// a [`Module`][`::fayalite::module::Module`] when called.
/// In the function body it will implicitly create a
@ -21,13 +20,21 @@ pub use std as __std;
/// See [Fayalite Modules][crate::_docs::modules]
pub use fayalite_proc_macros::hdl_module;
#[doc(inline)]
pub use fayalite_proc_macros::hdl;
/// struct used as a placeholder when applying defaults
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
pub struct __;
#[cfg(feature = "unstable-doc")]
pub mod _docs;
// FIXME: finish
pub mod annotations;
pub mod array;
pub mod bundle;
pub mod cli;
//pub mod cli;
pub mod clock;
pub mod enum_;
pub mod expr;
@ -41,5 +48,5 @@ pub mod reset;
pub mod source_location;
pub mod ty;
pub mod util;
pub mod valueless;
//pub mod valueless;
pub mod wire;

View file

@ -4,15 +4,16 @@
#![allow(clippy::multiple_bound_locations)]
use crate::{
annotations::{Annotation, IntoAnnotations, TargetedAnnotation},
array::{Array, ArrayType, ArrayTypeTrait, ValueArrayOrSlice},
bundle::{BundleType, BundleValue, DynBundle, DynBundleType},
clock::{Clock, ClockType},
expr::{Expr, ExprEnum, ExprTrait, Flow, ToExpr},
int::{DynUInt, DynUIntType, UInt, UIntType},
array::{Array, ArrayType},
bundle::{Bundle, BundleType},
clock::Clock,
expr::{Expr, Flow, ToExpr, ToLiteralBits},
hdl,
int::{Bool, DynSize, Size, UInt, UIntType},
intern::{Intern, Interned},
module::ScopedNameId,
source_location::SourceLocation,
ty::{AsMask, DynCanonicalType, DynCanonicalValue, DynType, Type, Value},
ty::{AsMask, CanonicalType, Type},
util::DebugAsDisplay,
};
use bitvec::slice::BitSlice;
@ -20,37 +21,37 @@ use std::{
cell::RefCell,
fmt,
hash::{Hash, Hasher},
marker::PhantomData,
num::NonZeroU32,
rc::Rc,
};
#[derive(Value, Clone, PartialEq, Eq, Hash, Debug)]
pub struct ReadStruct<Element> {
pub addr: DynUInt,
pub en: UInt<1>,
#[hdl]
pub struct ReadStruct<Element, AddrWidth: Size> {
pub addr: UIntType<AddrWidth>,
pub en: Bool,
pub clk: Clock,
#[hdl(flip)]
pub data: Element,
}
#[derive(Value, Clone, PartialEq, Eq, Hash, Debug)]
pub struct WriteStruct<Element: Value> {
pub addr: DynUInt,
pub en: UInt<1>,
#[hdl]
pub struct WriteStruct<Element, AddrWidth: Size> {
pub addr: UIntType<AddrWidth>,
pub en: Bool,
pub clk: Clock,
pub data: Element,
pub mask: AsMask<Element>,
}
#[allow(clippy::multiple_bound_locations)]
#[derive(Value, Clone, PartialEq, Eq, Hash, Debug)]
pub struct ReadWriteStruct<Element: Value> {
pub addr: DynUInt,
pub en: UInt<1>,
#[hdl]
pub struct ReadWriteStruct<Element, AddrWidth: Size> {
pub addr: UIntType<AddrWidth>,
pub en: Bool,
pub clk: Clock,
#[hdl(flip)]
pub rdata: Element,
pub wmode: UInt<1>,
pub wmode: Bool,
pub wdata: Element,
pub wmask: AsMask<Element>,
}
@ -63,11 +64,10 @@ pub trait PortType:
sealed::Sealed + Clone + Eq + Hash + fmt::Debug + Send + Sync + 'static
{
type PortKindTy: Copy + Eq + Hash + fmt::Debug + Send + Sync + 'static;
type PortType: BundleType<Value = Self::PortValue>;
type PortValue: BundleValue<Type = Self::PortType>;
type Port: BundleType;
fn port_kind(port_kind: Self::PortKindTy) -> PortKind;
fn from_port_kind(port_kind: PortKind) -> Self::PortKindTy;
fn port_ty(port: &MemPort<Self>) -> Self::PortType;
fn port_ty(port: &MemPort<Self>) -> Self::Port;
}
#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
@ -79,8 +79,7 @@ impl sealed::Sealed for DynPortType {}
impl PortType for DynPortType {
type PortKindTy = PortKind;
type PortType = DynBundleType;
type PortValue = DynBundle;
type Port = Bundle;
fn port_kind(port_kind: Self::PortKindTy) -> PortKind {
port_kind
@ -90,41 +89,38 @@ impl PortType for DynPortType {
port_kind
}
fn port_ty(port: &MemPort<Self>) -> Self::PortType {
match port.port_kind {
PortKind::ReadOnly => MemPort::<ReadStruct<DynCanonicalValue>>::from_canonical(*port)
.ty()
.canonical(),
PortKind::WriteOnly => MemPort::<WriteStruct<DynCanonicalValue>>::from_canonical(*port)
.ty()
.canonical(),
PortKind::ReadWrite => {
MemPort::<ReadWriteStruct<DynCanonicalValue>>::from_canonical(*port)
fn port_ty(port: &MemPort<Self>) -> Self::Port {
Bundle::new(match port.port_kind {
PortKind::ReadOnly => {
MemPort::<ReadStruct<CanonicalType, DynSize>>::from_canonical(*port)
.ty()
.canonical()
.fields()
}
}
PortKind::WriteOnly => {
MemPort::<WriteStruct<CanonicalType, DynSize>>::from_canonical(*port)
.ty()
.fields()
}
PortKind::ReadWrite => {
MemPort::<ReadWriteStruct<CanonicalType, DynSize>>::from_canonical(*port)
.ty()
.fields()
}
})
}
}
pub trait PortStruct:
BundleValue
+ sealed::Sealed
+ PortType<PortKindTy = (), PortType = <Self as ToExpr>::Type, PortValue = Self>
where
Self::Type: BundleType<Value = Self>,
{
type Element: Value<Type = Self::ElementType>;
type ElementType: Type<Value = Self::Element>;
pub trait PortStruct: BundleType + sealed::Sealed + PortType<PortKindTy = (), Port = Self> {
type Element: Type;
const PORT_KIND: PortKind;
fn addr(this: Expr<Self>) -> Expr<DynUInt>;
fn en(this: Expr<Self>) -> Expr<UInt<1>>;
fn addr(this: Expr<Self>) -> Expr<UInt>;
fn en(this: Expr<Self>) -> Expr<Bool>;
fn clk(this: Expr<Self>) -> Expr<Clock>;
fn rdata(this: Expr<Self>) -> Option<Expr<Self::Element>>;
fn wdata(this: Expr<Self>) -> Option<Expr<Self::Element>>;
fn wmask(this: Expr<Self>) -> Option<Expr<AsMask<Self::Element>>>;
fn wmode(this: Expr<Self>) -> Expr<UInt<1>>;
fn wmode(this: Expr<Self>) -> Expr<Bool>;
}
macro_rules! impl_port_struct {
@ -137,19 +133,11 @@ macro_rules! impl_port_struct {
$($body:tt)*
}
) => {
impl<$Element: Value> sealed::Sealed for $Struct<$Element>
where
$Element::Type: Type<Value = $Element>,
{
}
impl<$Element: Type> sealed::Sealed for $Struct<$Element, DynSize> {}
impl<$Element: Value> PortType for $Struct<$Element>
where
$Element::Type: Type<Value = $Element>,
{
impl<$Element: Type> PortType for $Struct<$Element, DynSize> {
type PortKindTy = ();
type PortType = <Self as ToExpr>::Type;
type PortValue = Self;
type Port = Self;
fn port_kind(_port_kind: Self::PortKindTy) -> PortKind {
Self::PORT_KIND
@ -164,18 +152,14 @@ macro_rules! impl_port_struct {
}
}
impl<$Element: Value> PortStruct for $Struct<$Element>
where
$Element::Type: Type<Value = $Element>,
{
impl<$Element: Type> PortStruct for $Struct<$Element, DynSize> {
type Element = $Element;
type ElementType = $Element::Type;
fn addr(this: Expr<Self>) -> Expr<DynUInt> {
fn addr(this: Expr<Self>) -> Expr<UInt> {
this.addr
}
fn en(this: Expr<Self>) -> Expr<UInt<1>> {
fn en(this: Expr<Self>) -> Expr<Bool> {
this.en
}
@ -190,14 +174,9 @@ macro_rules! impl_port_struct {
impl_port_struct! {
impl<Element> _ for ReadStruct {
fn port_ty(port: &MemPort<Self>) -> <MemPort<Self> as ToExpr>::Type {
type T<V> = <V as ToExpr>::Type;
T::<Self> {
addr: port.addr_type,
en: UIntType::new(),
clk: ClockType,
data: Element::Type::from_dyn_canonical_type(port.mem_element_type),
}
fn port_ty(port: &MemPort<Self>) -> Self {
let element = Element::from_canonical(port.mem_element_type);
ReadStruct[element][port.addr_type.width()]
}
const PORT_KIND: PortKind = PortKind::ReadOnly;
@ -214,7 +193,7 @@ impl_port_struct! {
None
}
fn wmode(_this: Expr<Self>) -> Expr<UInt<1>> {
fn wmode(_this: Expr<Self>) -> Expr<Bool> {
false.to_expr()
}
}
@ -222,16 +201,9 @@ impl_port_struct! {
impl_port_struct! {
impl<Element> _ for WriteStruct {
fn port_ty(port: &MemPort<Self>) -> <MemPort<Self> as ToExpr>::Type {
type T<V> = <V as ToExpr>::Type;
let element_ty = Element::Type::from_dyn_canonical_type(port.mem_element_type);
T::<Self> {
addr: port.addr_type,
en: UIntType::new(),
clk: ClockType,
mask: element_ty.mask_type(),
data: element_ty,
}
fn port_ty(port: &MemPort<Self>) -> Self {
let element = Element::from_canonical(port.mem_element_type);
WriteStruct[element][port.addr_type.width()]
}
const PORT_KIND: PortKind = PortKind::WriteOnly;
@ -248,7 +220,7 @@ impl_port_struct! {
Some(this.mask)
}
fn wmode(_this: Expr<Self>) -> Expr<UInt<1>> {
fn wmode(_this: Expr<Self>) -> Expr<Bool> {
true.to_expr()
}
}
@ -256,18 +228,9 @@ impl_port_struct! {
impl_port_struct! {
impl<Element> _ for ReadWriteStruct {
fn port_ty(port: &MemPort<Self>) -> <MemPort<Self> as ToExpr>::Type {
type T<V> = <V as ToExpr>::Type;
let element_ty = Element::Type::from_dyn_canonical_type(port.mem_element_type);
T::<Self> {
addr: port.addr_type,
en: UIntType::new(),
clk: ClockType,
rdata: element_ty.clone(),
wmode: UIntType::new(),
wmask: element_ty.mask_type(),
wdata: element_ty,
}
fn port_ty(port: &MemPort<Self>) -> Self {
let element = Element::from_canonical(port.mem_element_type);
ReadWriteStruct[element][port.addr_type.width()]
}
const PORT_KIND: PortKind = PortKind::ReadWrite;
@ -284,7 +247,7 @@ impl_port_struct! {
Some(this.wmask)
}
fn wmode(this: Expr<Self>) -> Expr<UInt<1>> {
fn wmode(this: Expr<Self>) -> Expr<Bool> {
this.wmode
}
}
@ -382,8 +345,8 @@ pub struct MemPort<T: PortType> {
source_location: SourceLocation,
port_kind: T::PortKindTy,
port_index: usize,
addr_type: DynUIntType,
mem_element_type: Interned<dyn DynCanonicalType>,
addr_type: UInt,
mem_element_type: CanonicalType,
}
impl<T: PortType> fmt::Debug for MemPort<T> {
@ -405,19 +368,10 @@ impl<T: PortType> fmt::Debug for MemPort<T> {
}
}
impl<T: PortType> ToExpr for MemPort<T> {
type Type = T::PortType;
fn ty(&self) -> Self::Type {
impl<T: PortType> MemPort<T> {
pub fn ty(&self) -> T::Port {
T::port_ty(self)
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
Expr::new_unchecked(self.expr_enum())
}
}
impl<T: PortType> MemPort<T> {
pub fn source_location(&self) -> SourceLocation {
self.source_location
}
@ -436,10 +390,10 @@ impl<T: PortType> MemPort<T> {
index: self.port_index,
}
}
pub fn mem_element_type(&self) -> Interned<dyn DynCanonicalType> {
pub fn mem_element_type(&self) -> CanonicalType {
self.mem_element_type
}
pub fn addr_type(&self) -> DynUIntType {
pub fn addr_type(&self) -> UInt {
self.addr_type
}
pub fn canonical(&self) -> MemPort<DynPortType> {
@ -463,7 +417,6 @@ impl<T: PortType> MemPort<T> {
pub fn from_canonical(port: MemPort<DynPortType>) -> Self
where
T: PortStruct,
T::Type: BundleType<Value = T>,
{
let MemPort {
mem_name,
@ -488,8 +441,8 @@ impl<T: PortType> MemPort<T> {
mem_name: ScopedNameId,
source_location: SourceLocation,
port_name: PortName,
addr_type: DynUIntType,
mem_element_type: Interned<dyn DynCanonicalType>,
addr_type: UInt,
mem_element_type: CanonicalType,
) -> Self {
assert!(
mem_element_type.is_storable(),
@ -520,10 +473,10 @@ pub enum ReadUnderWrite {
}
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
struct MemImpl<T: ArrayTypeTrait, P> {
struct MemImpl<Element: Type, Len: Size, P> {
scoped_name: ScopedNameId,
source_location: SourceLocation,
array_type: T,
array_type: ArrayType<Element, Len>,
initial_value: Option<Interned<BitSlice>>,
ports: P,
read_latency: usize,
@ -533,11 +486,11 @@ struct MemImpl<T: ArrayTypeTrait, P> {
mem_annotations: Interned<[Annotation]>,
}
pub struct Mem<VA: ValueArrayOrSlice + ?Sized>(
Interned<MemImpl<ArrayType<VA>, Interned<[Interned<MemPort<DynPortType>>]>>>,
pub struct Mem<Element: Type = CanonicalType, Len: Size = DynSize>(
Interned<MemImpl<Element, Len, Interned<[MemPort<DynPortType>]>>>,
);
struct PortsDebug<'a>(&'a [Interned<MemPort<DynPortType>>]);
struct PortsDebug<'a>(&'a [MemPort<DynPortType>]);
impl fmt::Debug for PortsDebug<'_> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@ -551,7 +504,7 @@ impl fmt::Debug for PortsDebug<'_> {
}
}
impl<VA: ValueArrayOrSlice + ?Sized> fmt::Debug for Mem<VA> {
impl<Element: Type, Len: Size> fmt::Debug for Mem<Element, Len> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let MemImpl {
scoped_name,
@ -579,37 +532,37 @@ impl<VA: ValueArrayOrSlice + ?Sized> fmt::Debug for Mem<VA> {
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Hash for Mem<VA> {
impl<Element: Type, Len: Size> Hash for Mem<Element, Len> {
fn hash<H: Hasher>(&self, state: &mut H) {
self.0.hash(state);
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Eq for Mem<VA> {}
impl<Element: Type, Len: Size> Eq for Mem<Element, Len> {}
impl<VA: ValueArrayOrSlice + ?Sized> PartialEq for Mem<VA> {
impl<Element: Type, Len: Size> PartialEq for Mem<Element, Len> {
fn eq(&self, other: &Self) -> bool {
self.0 == other.0
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Copy for Mem<VA> {}
impl<Element: Type, Len: Size> Copy for Mem<Element, Len> {}
impl<VA: ValueArrayOrSlice + ?Sized> Clone for Mem<VA> {
impl<Element: Type, Len: Size> Clone for Mem<Element, Len> {
fn clone(&self) -> Self {
*self
}
}
impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
impl<Element: Type, Len: Size> Mem<Element, Len> {
#[allow(clippy::too_many_arguments)]
#[track_caller]
pub fn new_unchecked(
scoped_name: ScopedNameId,
source_location: SourceLocation,
array_type: ArrayType<VA>,
array_type: ArrayType<Element, Len>,
initial_value: Option<Interned<BitSlice>>,
ports: Interned<[Interned<MemPort<DynPortType>>]>,
ports: Interned<[MemPort<DynPortType>]>,
read_latency: usize,
write_latency: NonZeroU32,
read_under_write: ReadUnderWrite,
@ -617,14 +570,14 @@ impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
mem_annotations: Interned<[Annotation]>,
) -> Self {
if let Some(initial_value) = initial_value {
MemBuilder::<VA>::check_initial_value_bit_slice(
MemBuilder::<Element, Len>::check_initial_value_bit_slice(
array_type.element(),
Some(array_type.len()),
initial_value,
);
}
let addr_width = memory_addr_width(array_type.len());
let expected_mem_element_type = array_type.element().canonical_dyn();
let expected_mem_element_type = array_type.element().canonical();
assert!(
expected_mem_element_type.is_storable(),
"memory element type must be a storable type"
@ -637,7 +590,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
port_index,
addr_type,
mem_element_type,
} = **port;
} = *port;
assert_eq!(mem_name, scoped_name, "memory name must match with ports");
assert_eq!(
port_index, index,
@ -659,7 +612,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
};
assert_eq!(
Some(port),
ports.get(port.port_index).map(|v| &**v),
ports.get(port.port_index),
"port on memory must match annotation's target base"
);
}
@ -682,13 +635,13 @@ impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
pub fn source_location(self) -> SourceLocation {
self.0.source_location
}
pub fn array_type(self) -> ArrayType<VA> {
pub fn array_type(self) -> ArrayType<Element, Len> {
self.0.array_type.clone()
}
pub fn initial_value(self) -> Option<Interned<BitSlice>> {
self.0.initial_value
}
pub fn ports(self) -> Interned<[Interned<MemPort<DynPortType>>]> {
pub fn ports(self) -> Interned<[MemPort<DynPortType>]> {
self.0.ports
}
pub fn read_latency(self) -> usize {
@ -706,7 +659,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
pub fn mem_annotations(self) -> Interned<[Annotation]> {
self.0.mem_annotations
}
pub fn canonical(self) -> Mem<[DynCanonicalValue]> {
pub fn canonical(self) -> Mem {
let MemImpl {
scoped_name,
source_location,
@ -719,7 +672,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> Mem<VA> {
port_annotations,
mem_annotations,
} = *self.0;
let array_type = array_type.canonical();
let array_type = array_type.as_dyn_array();
Mem(Intern::intern_sized(MemImpl {
scoped_name,
source_location,
@ -751,10 +704,10 @@ impl<T: fmt::Debug> fmt::Debug for MaybeSpecified<T> {
pub(crate) struct MemBuilderTarget {
pub(crate) scoped_name: ScopedNameId,
pub(crate) source_location: SourceLocation,
pub(crate) mem_element_type: Interned<dyn DynCanonicalType>,
pub(crate) mem_element_type: CanonicalType,
pub(crate) depth: Option<usize>,
pub(crate) initial_value: Option<Interned<BitSlice>>,
pub(crate) ports: Vec<Interned<MemPort<DynPortType>>>,
pub(crate) ports: Vec<MemPort<DynPortType>>,
pub(crate) read_latency: usize,
pub(crate) write_latency: NonZeroU32,
pub(crate) read_under_write: ReadUnderWrite,
@ -763,11 +716,11 @@ pub(crate) struct MemBuilderTarget {
}
impl MemBuilderTarget {
pub(crate) fn make_memory(&self) -> Option<Mem<[DynCanonicalValue]>> {
pub(crate) fn make_memory(&self) -> Option<Mem> {
Some(Mem::new_unchecked(
self.scoped_name,
self.source_location,
ArrayType::new_slice(self.mem_element_type, self.depth?),
ArrayType::new_dyn(self.mem_element_type, self.depth?),
self.initial_value,
Intern::intern(&self.ports),
self.read_latency,
@ -817,16 +770,18 @@ impl fmt::Debug for MemBuilderTarget {
}
}
pub struct MemBuilder<VA: ValueArrayOrSlice + ?Sized> {
mem_element_type: VA::ElementType,
pub struct MemBuilder<Element: Type, Len: Size> {
mem_element_type: Element,
target: Rc<RefCell<MemBuilderTarget>>,
_phantom: PhantomData<Len>,
}
impl<VA: ValueArrayOrSlice + ?Sized> fmt::Debug for MemBuilder<VA> {
impl<Element: Type, Len: Size> fmt::Debug for MemBuilder<Element, Len> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let Self {
mem_element_type,
target,
_phantom: _,
} = &self;
target.borrow().debug_fmt("MemBuilder", mem_element_type, f)
}
@ -838,15 +793,16 @@ pub fn memory_addr_width(depth: usize) -> usize {
.map_or(usize::BITS, usize::ilog2) as usize
}
impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
impl<Element: Type, Len: Size> MemBuilder<Element, Len> {
#[track_caller]
fn check_initial_value_bit_slice(
mem_element_type: &VA::ElementType,
mem_element_type: Element,
depth: Option<usize>,
initial_value: Interned<BitSlice>,
) -> Interned<BitSlice> {
let element_bit_width = mem_element_type.canonical().bit_width();
if let Some(depth) = depth {
let expected_len = depth.checked_mul(mem_element_type.bit_width()).expect(
let expected_len = depth.checked_mul(element_bit_width).expect(
"memory must be small enough that its initializer bit length fits in usize",
);
assert_eq!(
@ -858,7 +814,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
assert!(
initial_value
.len()
.checked_rem(mem_element_type.bit_width())
.checked_rem(element_bit_width)
.unwrap_or(initial_value.len())
== 0,
"Mem's initializer bit length must be a multiple of the element type's bit width",
@ -867,14 +823,14 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
}
#[track_caller]
fn check_initial_value_expr(
mem_element_type: &VA::ElementType,
mem_element_type: &Element,
depth: Option<usize>,
initial_value: Expr<Array<[DynCanonicalValue]>>,
initial_value: Expr<Array>,
) -> Interned<BitSlice> {
let initial_value_ty = initial_value.canonical_type();
let initial_value_ty = Expr::ty(initial_value);
assert_eq!(
*mem_element_type,
<VA::ElementType as DynType>::from_dyn_canonical_type(*initial_value_ty.element()),
Element::from_canonical(initial_value_ty.element()),
"Mem's element type must match initializer's element type",
);
if let Some(depth) = depth {
@ -889,7 +845,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
};
debug_assert_eq!(
retval.len(),
initial_value_ty.bit_width(),
initial_value_ty.type_properties().bit_width,
"initial value produced wrong literal bits length"
);
retval
@ -898,9 +854,9 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
pub(crate) fn new(
scoped_name: ScopedNameId,
source_location: SourceLocation,
mem_element_type: VA::ElementType,
mem_element_type: Element,
) -> (Self, Rc<RefCell<MemBuilderTarget>>) {
let canonical_mem_element_type = mem_element_type.canonical_dyn();
let canonical_mem_element_type = mem_element_type.canonical();
assert!(
canonical_mem_element_type.is_storable(),
"memory element type must be a storable type"
@ -909,7 +865,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
scoped_name,
source_location,
mem_element_type: canonical_mem_element_type,
depth: VA::FIXED_LEN_TYPE.map(VA::len_from_len_type),
depth: Len::KNOWN_VALUE,
initial_value: None,
ports: vec![],
read_latency: 0,
@ -922,6 +878,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
Self {
mem_element_type,
target: Rc::clone(&target),
_phantom: PhantomData,
},
target,
)
@ -931,19 +888,19 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
&mut self,
source_location: SourceLocation,
port_kind: PortKind,
) -> Interned<MemPort<DynPortType>> {
) -> MemPort<DynPortType> {
let mut target = self.target.borrow_mut();
let Some(depth) = target.depth else {
panic!("MemBuilder::depth must be called before adding ports");
};
let port = Intern::intern_sized(MemPort {
let port = MemPort {
mem_name: target.scoped_name,
source_location,
port_kind,
port_index: target.ports.len(),
addr_type: DynUIntType::new(memory_addr_width(depth)),
addr_type: UInt::new(memory_addr_width(depth)),
mem_element_type: target.mem_element_type,
});
};
target.ports.push(port);
port
}
@ -952,50 +909,53 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
&mut self,
source_location: SourceLocation,
kind: PortKind,
) -> Expr<DynBundle> {
Expr::new_unchecked(ExprEnum::MemPort(self.new_port_impl(source_location, kind)))
) -> Expr<Bundle> {
self.new_port_impl(source_location, kind).to_expr()
}
#[track_caller]
pub fn new_port(&mut self, kind: PortKind) -> Expr<DynBundle> {
pub fn new_port(&mut self, kind: PortKind) -> Expr<Bundle> {
self.new_port_with_loc(SourceLocation::caller(), kind)
}
#[track_caller]
pub fn new_read_port_with_loc(
&mut self,
source_location: SourceLocation,
) -> Expr<ReadStruct<VA::Element>> {
Expr::new_unchecked(ExprEnum::MemPort(
self.new_port_impl(source_location, PortKind::ReadOnly),
))
) -> Expr<ReadStruct<Element, DynSize>> {
Expr::from_bundle(
self.new_port_impl(source_location, PortKind::ReadOnly)
.to_expr(),
)
}
#[track_caller]
pub fn new_read_port(&mut self) -> Expr<ReadStruct<VA::Element>> {
pub fn new_read_port(&mut self) -> Expr<ReadStruct<Element, DynSize>> {
self.new_read_port_with_loc(SourceLocation::caller())
}
#[track_caller]
pub fn new_write_port_with_loc(
&mut self,
source_location: SourceLocation,
) -> Expr<WriteStruct<VA::Element>> {
Expr::new_unchecked(ExprEnum::MemPort(
self.new_port_impl(source_location, PortKind::WriteOnly),
))
) -> Expr<WriteStruct<Element, DynSize>> {
Expr::from_bundle(
self.new_port_impl(source_location, PortKind::WriteOnly)
.to_expr(),
)
}
#[track_caller]
pub fn new_write_port(&mut self) -> Expr<WriteStruct<VA::Element>> {
pub fn new_write_port(&mut self) -> Expr<WriteStruct<Element, DynSize>> {
self.new_write_port_with_loc(SourceLocation::caller())
}
#[track_caller]
pub fn new_rw_port_with_loc(
&mut self,
source_location: SourceLocation,
) -> Expr<ReadWriteStruct<VA::Element>> {
Expr::new_unchecked(ExprEnum::MemPort(
self.new_port_impl(source_location, PortKind::ReadWrite),
))
) -> Expr<ReadWriteStruct<Element, DynSize>> {
Expr::from_bundle(
self.new_port_impl(source_location, PortKind::ReadWrite)
.to_expr(),
)
}
#[track_caller]
pub fn new_rw_port(&mut self) -> Expr<ReadWriteStruct<VA::Element>> {
pub fn new_rw_port(&mut self) -> Expr<ReadWriteStruct<Element, DynSize>> {
self.new_rw_port_with_loc(SourceLocation::caller())
}
pub fn scoped_name(&self) -> ScopedNameId {
@ -1004,7 +964,7 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
pub fn source_location(&self) -> SourceLocation {
self.target.borrow().source_location
}
pub fn get_mem_element_type(&self) -> &VA::ElementType {
pub fn get_mem_element_type(&self) -> &Element {
&self.mem_element_type
}
#[allow(clippy::result_unit_err)]
@ -1027,28 +987,28 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
target.depth = Some(depth);
}
#[allow(clippy::result_unit_err)]
pub fn get_array_type(&self) -> Result<ArrayType<VA>, ()> {
Ok(ArrayType::new_with_len(
pub fn get_array_type(&self) -> Result<ArrayType<Element, Len>, ()> {
Ok(ArrayType::new(
self.mem_element_type.clone(),
self.get_depth()?,
Len::from_usize(self.get_depth()?),
))
}
pub fn get_initial_value(&self) -> Option<Interned<BitSlice>> {
self.target.borrow().initial_value
}
#[track_caller]
pub fn initial_value(&mut self, initial_value: impl ToExpr<Type = ArrayType<VA>>) {
pub fn initial_value(&mut self, initial_value: impl ToExpr<Type = ArrayType<Element, Len>>) {
let mut target = self.target.borrow_mut();
if target.initial_value.is_some() {
panic!("can't set Mem's initial value more than once");
}
let initial_value = initial_value.to_expr().canonical();
let initial_value = Expr::as_dyn_array(initial_value.to_expr());
target.initial_value = Some(Self::check_initial_value_expr(
&self.mem_element_type,
target.depth,
initial_value,
));
target.depth = Some(initial_value.ty().len());
target.depth = Some(Expr::ty(initial_value).len());
}
#[track_caller]
pub fn initial_value_bit_slice(&mut self, initial_value: Interned<BitSlice>) {
@ -1057,11 +1017,11 @@ impl<VA: ValueArrayOrSlice + ?Sized> MemBuilder<VA> {
panic!("can't set Mem's initial value more than once");
}
target.initial_value = Some(Self::check_initial_value_bit_slice(
&self.mem_element_type,
self.mem_element_type,
target.depth,
initial_value,
));
let element_bit_width = self.mem_element_type.bit_width();
let element_bit_width = self.mem_element_type.canonical().bit_width();
if element_bit_width != 0 {
target.depth = Some(initial_value.len() / element_bit_width);
}

File diff suppressed because it is too large Load diff

View file

@ -1,5 +1,14 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
// TODO:
pub mod simplify_enums;
pub mod simplify_memories;
//pub mod simplify_memories;
pub mod visit;
pub mod simplify_memories {
use crate::{bundle::Bundle, intern::Interned, module::Module};
pub fn simplify_memories(_module: Interned<Module<Bundle>>) -> Interned<Module<Bundle>> {
todo!()
}
}

View file

@ -2,10 +2,14 @@
// See Notices.txt for copyright information
use crate::{
array::{Array, ArrayType},
bundle::{BundleType, BundleValue, DynBundle, DynBundleType},
enum_::{DynEnum, DynEnumType, EnumType, EnumValue, VariantType},
expr::{ops, Expr, ExprEnum, ToExpr},
int::{DynUInt, DynUIntType, IntCmp},
bundle::{Bundle, BundleType},
enum_::{Enum, EnumType, EnumVariant},
expr::{
ops::{self, EnumLiteral},
CastBitsTo, CastToBits, Expr, ExprEnum, ToExpr,
},
hdl,
int::{DynSize, IntCmp, Size, UInt, UIntType},
intern::{Intern, Interned},
memory::{DynPortType, Mem, MemPort},
module::{
@ -13,7 +17,7 @@ use crate::{
Block, Module, NameIdGen, ScopedNameId, Stmt, StmtConnect, StmtIf, StmtMatch, StmtWire,
},
source_location::SourceLocation,
ty::{DynCanonicalType, DynCanonicalValue, Type, TypeEnum, Value, ValueEnum},
ty::{CanonicalType, Type},
wire::Wire,
};
use core::fmt;
@ -21,7 +25,7 @@ use hashbrown::HashMap;
#[derive(Debug)]
pub enum SimplifyEnumsError {
EnumIsNotCastableFromBits { enum_type: DynEnumType },
EnumIsNotCastableFromBits { enum_type: Enum },
}
impl fmt::Display for SimplifyEnumsError {
@ -37,26 +41,23 @@ impl fmt::Display for SimplifyEnumsError {
impl std::error::Error for SimplifyEnumsError {}
#[derive(Value, Clone, Eq, PartialEq, Hash, Debug)]
struct TagAndBody<T> {
#[hdl]
struct TagAndBody<T, BodyWidth: Size> {
tag: T,
body: DynUInt,
body: UIntType<BodyWidth>,
}
type TagAndBodyType<T> = <TagAndBody<T> as ToExpr>::Type;
#[derive(Clone, Debug)]
enum EnumTypeState {
TagEnumAndBody(TagAndBodyType<DynEnum>),
TagUIntAndBody(TagAndBodyType<DynUInt>),
UInt(DynUIntType),
TagEnumAndBody(TagAndBody<Enum, DynSize>),
TagUIntAndBody(TagAndBody<UInt, DynSize>),
UInt(UInt),
Unchanged,
}
struct State {
enum_types: HashMap<DynEnumType, EnumTypeState>,
replacement_mem_ports:
HashMap<Interned<MemPort<DynPortType>>, Interned<Wire<Interned<dyn DynCanonicalType>>>>,
enum_types: HashMap<Enum, EnumTypeState>,
replacement_mem_ports: HashMap<MemPort<DynPortType>, Wire<CanonicalType>>,
kind: SimplifyEnumsKind,
name_id_gen: NameIdGen,
}
@ -64,12 +65,12 @@ struct State {
impl State {
fn get_or_make_enum_type_state(
&mut self,
enum_type: DynEnumType,
enum_type: Enum,
) -> Result<EnumTypeState, SimplifyEnumsError> {
if let Some(retval) = self.enum_types.get(&enum_type) {
return Ok(retval.clone());
}
if !enum_type.is_castable_from_bits() {
if !enum_type.type_properties().is_castable_from_bits {
return Err(SimplifyEnumsError::EnumIsNotCastableFromBits { enum_type });
}
let has_body = enum_type
@ -78,29 +79,29 @@ impl State {
.any(|variant| variant.ty.is_some());
let retval = match (self.kind, has_body) {
(SimplifyEnumsKind::SimplifyToEnumsWithNoBody, true) => {
EnumTypeState::TagEnumAndBody(TagAndBodyType::<DynEnum> {
tag: DynEnumType::new(Interned::from_iter(enum_type.variants().iter().map(
|v| VariantType {
EnumTypeState::TagEnumAndBody(TagAndBody {
tag: Enum::new(Interned::from_iter(enum_type.variants().iter().map(|v| {
EnumVariant {
name: v.name,
ty: None,
},
))),
body: DynUIntType::new(
enum_type.bit_width() - enum_type.discriminant_bit_width(),
}
}))),
body: UInt::new_dyn(
enum_type.type_properties().bit_width - enum_type.discriminant_bit_width(),
),
})
}
(SimplifyEnumsKind::SimplifyToEnumsWithNoBody, false) => EnumTypeState::Unchanged,
(SimplifyEnumsKind::ReplaceWithBundleOfUInts, _) => {
EnumTypeState::TagUIntAndBody(TagAndBodyType::<DynUInt> {
tag: DynUIntType::new(enum_type.discriminant_bit_width()),
body: DynUIntType::new(
enum_type.bit_width() - enum_type.discriminant_bit_width(),
EnumTypeState::TagUIntAndBody(TagAndBody {
tag: UInt::new_dyn(enum_type.discriminant_bit_width()),
body: UInt::new_dyn(
enum_type.type_properties().bit_width - enum_type.discriminant_bit_width(),
),
})
}
(SimplifyEnumsKind::ReplaceWithUInt, _) => {
EnumTypeState::UInt(DynUIntType::new(enum_type.bit_width()))
EnumTypeState::UInt(UInt::new_dyn(enum_type.type_properties().bit_width))
}
};
self.enum_types.insert(enum_type, retval.clone());
@ -108,21 +109,14 @@ impl State {
}
}
fn value_to_uint<T: Value>(value: Option<&T>, target_ty: DynUIntType) -> DynUInt {
let Some(value) = value else {
return DynUInt::with_type(target_ty, 0u8);
};
DynUInt::from_bit_slice(&value.to_bits())
}
fn connect_port(
stmts: &mut Vec<Stmt>,
lhs: Expr<DynCanonicalValue>,
rhs: Expr<DynCanonicalValue>,
lhs: Expr<CanonicalType>,
rhs: Expr<CanonicalType>,
source_location: SourceLocation,
) {
println!("connect_port: lhs={lhs:?} rhs={rhs:?}");
if lhs.canonical_type() == rhs.canonical_type() {
if Expr::ty(lhs) == Expr::ty(rhs) {
stmts.push(
dbg!(StmtConnect {
lhs,
@ -133,55 +127,53 @@ fn connect_port(
);
return;
}
match (
lhs.canonical_type().type_enum(),
rhs.canonical_type().type_enum(),
) {
(TypeEnum::BundleType(lhs_type), TypeEnum::UInt(_)) => {
let lhs = lhs.with_type::<DynBundle>();
match (Expr::ty(lhs), Expr::ty(rhs)) {
(CanonicalType::Bundle(lhs_type), CanonicalType::UInt(_)) => {
let lhs = Expr::<Bundle>::from_canonical(lhs);
for field in lhs_type.fields() {
assert!(!field.flipped);
connect_port(stmts, lhs.field(&field.name), rhs, source_location);
connect_port(stmts, Expr::field(lhs, &field.name), rhs, source_location);
}
}
(TypeEnum::UInt(_), TypeEnum::BundleType(rhs_type)) => {
let rhs = rhs.with_type::<DynBundle>();
(CanonicalType::UInt(_), CanonicalType::Bundle(rhs_type)) => {
let rhs = Expr::<Bundle>::from_canonical(rhs);
for field in rhs_type.fields() {
assert!(!field.flipped);
connect_port(stmts, lhs, rhs.field(&field.name), source_location);
connect_port(stmts, lhs, Expr::field(rhs, &field.name), source_location);
}
}
(TypeEnum::BundleType(lhs_type), TypeEnum::BundleType(_)) => {
let lhs = lhs.with_type::<DynBundle>();
let rhs = rhs.with_type::<DynBundle>();
(CanonicalType::Bundle(lhs_type), CanonicalType::Bundle(_)) => {
let lhs = Expr::<Bundle>::from_canonical(lhs);
let rhs = Expr::<Bundle>::from_canonical(rhs);
for field in lhs_type.fields() {
let (lhs_field, rhs_field) = if field.flipped {
(rhs.field(&field.name), lhs.field(&field.name))
(Expr::field(rhs, &field.name), Expr::field(lhs, &field.name))
} else {
(lhs.field(&field.name), rhs.field(&field.name))
(Expr::field(lhs, &field.name), Expr::field(rhs, &field.name))
};
connect_port(stmts, lhs_field, rhs_field, source_location);
}
}
(TypeEnum::ArrayType(lhs_type), TypeEnum::ArrayType(_)) => {
let lhs = lhs.with_type::<Array<[DynCanonicalValue]>>();
let rhs = rhs.with_type::<Array<[DynCanonicalValue]>>();
(CanonicalType::Array(lhs_type), CanonicalType::Array(_)) => {
let lhs = Expr::<Array>::from_canonical(lhs);
let rhs = Expr::<Array>::from_canonical(rhs);
for index in 0..lhs_type.len() {
connect_port(stmts, lhs[index], rhs[index], source_location);
}
}
(TypeEnum::BundleType(_), _)
| (TypeEnum::EnumType(_), _)
| (TypeEnum::ArrayType(_), _)
| (TypeEnum::UInt(_), _)
| (TypeEnum::SInt(_), _)
| (TypeEnum::Clock(_), _)
| (TypeEnum::AsyncReset(_), _)
| (TypeEnum::SyncReset(_), _)
| (TypeEnum::Reset(_), _) => unreachable!(
(CanonicalType::Bundle(_), _)
| (CanonicalType::Enum(_), _)
| (CanonicalType::Array(_), _)
| (CanonicalType::UInt(_), _)
| (CanonicalType::SInt(_), _)
| (CanonicalType::Bool(_), _)
| (CanonicalType::Clock(_), _)
| (CanonicalType::AsyncReset(_), _)
| (CanonicalType::SyncReset(_), _)
| (CanonicalType::Reset(_), _) => unreachable!(
"trying to connect memory ports:\n{:?}\n{:?}",
lhs.canonical_type().type_enum(),
rhs.canonical_type().type_enum(),
Expr::ty(lhs),
Expr::ty(rhs),
),
}
}
@ -189,18 +181,11 @@ fn connect_port(
impl Folder for State {
type Error = SimplifyEnumsError;
fn fold_dyn_enum(&mut self, _v: DynEnum) -> Result<DynEnum, Self::Error> {
fn fold_enum(&mut self, _v: Enum) -> Result<Enum, Self::Error> {
unreachable!()
}
fn fold_dyn_enum_type(&mut self, _v: DynEnumType) -> Result<DynEnumType, Self::Error> {
unreachable!()
}
fn fold_module<T: BundleValue>(&mut self, v: Module<T>) -> Result<Module<T>, Self::Error>
where
T::Type: BundleType<Value = T>,
{
fn fold_module<T: BundleType>(&mut self, v: Module<T>) -> Result<Module<T>, Self::Error> {
let old_name_id_gen =
std::mem::replace(&mut self.name_id_gen, NameIdGen::for_module(v.canonical()));
let retval = Fold::default_fold(v, self);
@ -211,98 +196,86 @@ impl Folder for State {
fn fold_expr_enum(&mut self, op: ExprEnum) -> Result<ExprEnum, Self::Error> {
match op {
ExprEnum::EnumLiteral(op) => Ok(match self.get_or_make_enum_type_state(op.ty())? {
EnumTypeState::TagEnumAndBody(TagAndBodyType::<DynEnum> { tag, body }) => {
TagAndBodyType::<DynEnum>::builder()
.field_tag(DynEnum::new_by_index(tag, op.variant_index(), None))
EnumTypeState::TagEnumAndBody(TagAndBody { tag, body }) => *Expr::expr_enum(
<TagAndBody<Enum, DynSize> as BundleType>::Builder::default()
.field_tag(EnumLiteral::new_by_index(tag, op.variant_index(), None))
.field_body(match op.variant_value() {
Some(variant_value) => variant_value.fold(self)?.cast_to_bits(),
None => DynUInt::with_type(body, 0u8).to_expr(),
None => body.zero().to_expr(),
})
.build()
.expr_enum()
}
EnumTypeState::TagUIntAndBody(TagAndBodyType::<DynUInt> { tag, body }) => {
TagAndBodyType::<DynUInt>::builder()
.field_tag(DynUInt::with_type(tag, op.variant_index()))
.field_body(match op.variant_value() {
Some(variant_value) => variant_value.fold(self)?.cast_to_bits(),
None => DynUInt::with_type(body, 0u8).to_expr(),
})
.build()
.expr_enum()
}
EnumTypeState::UInt(_) => TagAndBodyType::<DynUInt>::builder()
.field_tag(DynUInt::with_type(
DynUIntType::new(op.ty().discriminant_bit_width()),
op.variant_index(),
))
.field_body(match op.variant_value() {
Some(variant_value) => variant_value.fold(self)?.cast_to_bits(),
None => DynUInt::with_type(
DynUIntType::new(
op.ty().bit_width() - op.ty().discriminant_bit_width(),
),
0u8,
)
.to_expr(),
})
.build()
.cast_to_bits()
.expr_enum(),
EnumTypeState::Unchanged => ExprEnum::EnumLiteral(
ops::EnumLiteral::new_unchecked(
op.variant_value().map(|v| v.fold(self)).transpose()?,
op.variant_index(),
op.ty(),
)
.intern_sized(),
),
EnumTypeState::TagUIntAndBody(TagAndBody { tag, body }) => *Expr::expr_enum(
<TagAndBody<UInt, DynSize> as BundleType>::Builder::default()
.field_tag(tag.from_int_wrapping(op.variant_index()))
.field_body(match op.variant_value() {
Some(variant_value) => variant_value.fold(self)?.cast_to_bits(),
None => body.zero().to_expr(),
})
.to_expr(),
),
EnumTypeState::UInt(_) => *Expr::expr_enum(
<TagAndBody<UInt, DynSize> as BundleType>::Builder::default()
.field_tag(
UIntType::new(op.ty().discriminant_bit_width())
.from_int_wrapping(op.variant_index()),
)
.field_body(match op.variant_value() {
Some(variant_value) => variant_value.fold(self)?.cast_to_bits(),
None => UIntType::new(
op.ty().type_properties().bit_width
- op.ty().discriminant_bit_width(),
)
.zero()
.to_expr(),
})
.cast_to_bits(),
),
EnumTypeState::Unchanged => ExprEnum::EnumLiteral(ops::EnumLiteral::new_by_index(
op.ty(),
op.variant_index(),
op.variant_value().map(|v| v.fold(self)).transpose()?,
)),
}),
ExprEnum::VariantAccess(op) => {
Ok(match self.get_or_make_enum_type_state(op.base().ty())? {
ExprEnum::VariantAccess(op) => Ok(
match self.get_or_make_enum_type_state(Expr::ty(op.base()))? {
EnumTypeState::TagEnumAndBody(_) | EnumTypeState::TagUIntAndBody(_) => {
match op.variant_type().ty {
Some(_) => op
.base()
.expr_enum()
.fold(self)?
.to_expr()
.with_type::<TagAndBody<DynCanonicalValue>>()
.body[..op.ty().bit_width()]
.cast_bits_to::<DynCanonicalValue>(op.ty())
.expr_enum(),
None => ().to_expr().expr_enum(),
match op.variant_type() {
Some(variant_type) => *Expr::expr_enum(
Expr::<TagAndBody<CanonicalType, DynSize>>::from_canonical(
(*Expr::expr_enum(op.base())).fold(self)?.to_expr(),
)
.body[..variant_type.bit_width()]
.cast_bits_to(variant_type),
),
None => *Expr::expr_enum(().to_expr()),
}
}
EnumTypeState::UInt(_) => match op.variant_type().ty {
Some(_) => {
let base_int = op
.base()
.expr_enum()
.fold(self)?
.to_expr()
.with_type::<DynUInt>();
EnumTypeState::UInt(_) => match op.variant_type() {
Some(variant_type) => {
let base_int = Expr::<UInt>::from_canonical(
(*Expr::expr_enum(op.base())).fold(self)?.to_expr(),
);
dbg!(base_int);
let base_ty = op.base().ty();
let ty_bit_width = op.ty().bit_width();
base_int[base_ty.discriminant_bit_width()..][..ty_bit_width]
.cast_bits_to::<DynCanonicalValue>(op.ty())
.expr_enum()
}
None => ().to_expr().expr_enum(),
},
EnumTypeState::Unchanged => match op.variant_type().ty {
Some(_) => ExprEnum::VariantAccess(
ops::VariantAccess::new_unchecked(
op.base().fold(self)?,
op.variant_index(),
let base_ty = Expr::ty(op.base());
let variant_type_bit_width = variant_type.bit_width();
*Expr::expr_enum(
base_int[base_ty.discriminant_bit_width()..]
[..variant_type_bit_width]
.cast_bits_to(variant_type),
)
.intern_sized(),
),
None => ().to_expr().expr_enum(),
}
None => *Expr::expr_enum(().to_expr()),
},
})
}
EnumTypeState::Unchanged => match op.variant_type() {
Some(_) => ExprEnum::VariantAccess(ops::VariantAccess::new_by_index(
op.base().fold(self)?,
op.variant_index(),
)),
None => *Expr::expr_enum(().to_expr()),
},
},
),
ExprEnum::MemPort(mem_port) => Ok(
if let Some(&wire) = self.replacement_mem_ports.get(&mem_port) {
ExprEnum::Wire(wire)
@ -310,24 +283,34 @@ impl Folder for State {
ExprEnum::MemPort(mem_port.fold(self)?)
},
),
ExprEnum::Literal(_)
| ExprEnum::ArrayLiteral(_)
ExprEnum::UIntLiteral(_)
| ExprEnum::SIntLiteral(_)
| ExprEnum::BoolLiteral(_)
| ExprEnum::BundleLiteral(_)
| ExprEnum::ArrayLiteral(_)
| ExprEnum::NotU(_)
| ExprEnum::NotS(_)
| ExprEnum::NotB(_)
| ExprEnum::Neg(_)
| ExprEnum::BitAndU(_)
| ExprEnum::BitAndS(_)
| ExprEnum::BitAndB(_)
| ExprEnum::BitOrU(_)
| ExprEnum::BitOrS(_)
| ExprEnum::BitOrB(_)
| ExprEnum::BitXorU(_)
| ExprEnum::BitXorS(_)
| ExprEnum::BitXorB(_)
| ExprEnum::AddU(_)
| ExprEnum::AddS(_)
| ExprEnum::SubU(_)
| ExprEnum::SubS(_)
| ExprEnum::MulU(_)
| ExprEnum::MulS(_)
| ExprEnum::DivU(_)
| ExprEnum::DivS(_)
| ExprEnum::RemU(_)
| ExprEnum::RemS(_)
| ExprEnum::DynShlU(_)
| ExprEnum::DynShlS(_)
| ExprEnum::DynShrU(_)
@ -336,41 +319,68 @@ impl Folder for State {
| ExprEnum::FixedShlS(_)
| ExprEnum::FixedShrU(_)
| ExprEnum::FixedShrS(_)
| ExprEnum::CmpLtB(_)
| ExprEnum::CmpLeB(_)
| ExprEnum::CmpGtB(_)
| ExprEnum::CmpGeB(_)
| ExprEnum::CmpEqB(_)
| ExprEnum::CmpNeB(_)
| ExprEnum::CmpLtU(_)
| ExprEnum::CmpLtS(_)
| ExprEnum::CmpLeU(_)
| ExprEnum::CmpLeS(_)
| ExprEnum::CmpGtU(_)
| ExprEnum::CmpGtS(_)
| ExprEnum::CmpGeU(_)
| ExprEnum::CmpGeS(_)
| ExprEnum::CmpEqU(_)
| ExprEnum::CmpEqS(_)
| ExprEnum::CmpNeU(_)
| ExprEnum::CmpLtS(_)
| ExprEnum::CmpLeS(_)
| ExprEnum::CmpGtS(_)
| ExprEnum::CmpGeS(_)
| ExprEnum::CmpEqS(_)
| ExprEnum::CmpNeS(_)
| ExprEnum::CastUIntToUInt(_)
| ExprEnum::CastUIntToSInt(_)
| ExprEnum::CastSIntToUInt(_)
| ExprEnum::CastSIntToSInt(_)
| ExprEnum::SliceUInt(_)
| ExprEnum::SliceSInt(_)
| ExprEnum::ReduceBitAnd(_)
| ExprEnum::ReduceBitOr(_)
| ExprEnum::ReduceBitXor(_)
| ExprEnum::CastBoolToUInt(_)
| ExprEnum::CastBoolToSInt(_)
| ExprEnum::CastUIntToBool(_)
| ExprEnum::CastSIntToBool(_)
| ExprEnum::CastBoolToSyncReset(_)
| ExprEnum::CastUIntToSyncReset(_)
| ExprEnum::CastSIntToSyncReset(_)
| ExprEnum::CastBoolToAsyncReset(_)
| ExprEnum::CastUIntToAsyncReset(_)
| ExprEnum::CastSIntToAsyncReset(_)
| ExprEnum::CastSyncResetToBool(_)
| ExprEnum::CastSyncResetToUInt(_)
| ExprEnum::CastSyncResetToSInt(_)
| ExprEnum::CastSyncResetToReset(_)
| ExprEnum::CastAsyncResetToBool(_)
| ExprEnum::CastAsyncResetToUInt(_)
| ExprEnum::CastAsyncResetToSInt(_)
| ExprEnum::CastAsyncResetToReset(_)
| ExprEnum::CastResetToBool(_)
| ExprEnum::CastResetToUInt(_)
| ExprEnum::CastResetToSInt(_)
| ExprEnum::CastBoolToClock(_)
| ExprEnum::CastUIntToClock(_)
| ExprEnum::CastSIntToClock(_)
| ExprEnum::CastClockToBool(_)
| ExprEnum::CastClockToUInt(_)
| ExprEnum::CastClockToSInt(_)
| ExprEnum::FieldAccess(_)
| ExprEnum::ArrayIndex(_)
| ExprEnum::DynArrayIndex(_)
| ExprEnum::ReduceBitAndU(_)
| ExprEnum::ReduceBitAndS(_)
| ExprEnum::ReduceBitOrU(_)
| ExprEnum::ReduceBitOrS(_)
| ExprEnum::ReduceBitXorU(_)
| ExprEnum::ReduceBitXorS(_)
| ExprEnum::SliceUInt(_)
| ExprEnum::SliceSInt(_)
| ExprEnum::CastToBits(_)
| ExprEnum::CastBitsTo(_)
| ExprEnum::CastBitToClock(_)
| ExprEnum::CastBitToSyncReset(_)
| ExprEnum::CastBitToAsyncReset(_)
| ExprEnum::CastSyncResetToReset(_)
| ExprEnum::CastAsyncResetToReset(_)
| ExprEnum::CastClockToBit(_)
| ExprEnum::CastSyncResetToBit(_)
| ExprEnum::CastAsyncResetToBit(_)
| ExprEnum::CastResetToBit(_)
| ExprEnum::ModuleIO(_)
| ExprEnum::Instance(_)
| ExprEnum::Wire(_)
@ -382,7 +392,7 @@ impl Folder for State {
let mut memories = vec![];
let mut stmts = vec![];
for memory in block.memories {
let old_element_ty = *memory.array_type().element();
let old_element_ty = memory.array_type().element();
let new_element_ty = memory.array_type().element().fold(self)?;
if new_element_ty != old_element_ty {
let mut new_ports = vec![];
@ -394,7 +404,7 @@ impl Folder for State {
port.addr_type(),
new_element_ty,
);
new_ports.push(new_port.intern());
new_ports.push(new_port);
let new_port_ty = new_port.ty();
let mut wire_ty_fields = Vec::from_iter(new_port_ty.fields());
if let Some(wmask_name) = new_port.port_kind().wmask_name() {
@ -404,7 +414,7 @@ impl Folder for State {
.unwrap();
wire_ty_fields[index].ty = port.ty().fields()[index].ty;
}
let wire_ty = DynBundleType::new(Intern::intern_owned(wire_ty_fields));
let wire_ty = Bundle::new(Intern::intern_owned(wire_ty_fields));
if wire_ty == new_port_ty {
continue;
}
@ -419,23 +429,22 @@ impl Folder for State {
stmts.push(
StmtWire {
annotations: Default::default(),
wire: wire.to_dyn_canonical_wire(),
wire: wire.canonical(),
}
.into(),
);
connect_port(
&mut stmts,
new_port.to_expr().to_canonical_dyn(),
wire.to_expr().to_canonical_dyn(),
Expr::canonical(new_port.to_expr()),
Expr::canonical(wire.to_expr()),
port.source_location(),
);
self.replacement_mem_ports
.insert(port, wire.to_dyn_canonical_wire().intern_sized());
self.replacement_mem_ports.insert(port, wire.canonical());
}
memories.push(Mem::new_unchecked(
memory.scoped_name(),
memory.source_location(),
ArrayType::new_slice(new_element_ty, memory.array_type().len()),
ArrayType::new_dyn(new_element_ty, memory.array_type().len()),
memory.initial_value(),
Intern::intern_owned(new_ports),
memory.read_latency(),
@ -458,7 +467,7 @@ impl Folder for State {
fn fold_stmt(&mut self, stmt: Stmt) -> Result<Stmt, Self::Error> {
fn match_int_tag(
state: &mut State,
int_tag_expr: Expr<DynUInt>,
int_tag_expr: Expr<UInt>,
source_location: SourceLocation,
blocks: Interned<[Block]>,
) -> Result<StmtIf, SimplifyEnumsError> {
@ -473,16 +482,15 @@ impl Folder for State {
});
};
let mut retval = StmtIf {
cond: int_tag_expr.cmp_eq(DynUInt::with_type(
int_tag_expr.ty(),
next_to_last_variant_index,
)),
cond: int_tag_expr
.cmp_eq(Expr::ty(int_tag_expr).from_int_wrapping(next_to_last_variant_index)),
source_location,
blocks: [next_to_last_block.fold(state)?, last_block.fold(state)?],
};
for (variant_index, block) in blocks_iter.rev() {
retval = StmtIf {
cond: int_tag_expr.cmp_eq(DynUInt::with_type(int_tag_expr.ty(), variant_index)),
cond: int_tag_expr
.cmp_eq(Expr::ty(int_tag_expr).from_int_wrapping(variant_index)),
source_location,
blocks: [
block.fold(state)?,
@ -500,33 +508,27 @@ impl Folder for State {
expr,
source_location,
blocks,
}) => match self.get_or_make_enum_type_state(expr.ty())? {
}) => match self.get_or_make_enum_type_state(Expr::ty(expr))? {
EnumTypeState::TagEnumAndBody(_) => Ok(StmtMatch {
expr: expr
.expr_enum()
.fold(self)?
.to_expr()
.with_type::<TagAndBody<DynEnum>>()
.tag,
expr: Expr::<TagAndBody<Enum, DynSize>>::from_canonical(
Expr::canonical(expr).fold(self)?,
)
.tag,
source_location,
blocks: blocks.fold(self)?,
}
.into()),
EnumTypeState::TagUIntAndBody(_) => {
let int_tag_expr = expr
.expr_enum()
.fold(self)?
.to_expr()
.with_type::<TagAndBody<DynUInt>>()
.tag;
let int_tag_expr = Expr::<TagAndBody<UInt, DynSize>>::from_canonical(
Expr::canonical(expr).fold(self)?,
)
.tag;
Ok(match_int_tag(self, int_tag_expr, source_location, blocks)?.into())
}
EnumTypeState::UInt(_) => {
let int_tag_expr = expr
.expr_enum()
.fold(self)?
.to_expr()
.with_type::<DynUInt>()[..expr.ty().discriminant_bit_width()];
let int_tag_expr =
Expr::<UInt>::from_canonical(Expr::canonical(expr).fold(self)?)
[..Expr::ty(expr).discriminant_bit_width()];
Ok(match_int_tag(self, int_tag_expr, source_location, blocks)?.into())
}
EnumTypeState::Unchanged => Ok(StmtMatch {
@ -544,92 +546,49 @@ impl Folder for State {
unreachable!()
}
fn fold_type_enum(&mut self, type_enum: TypeEnum) -> Result<TypeEnum, Self::Error> {
match type_enum {
TypeEnum::EnumType(enum_type) => {
fn fold_canonical_type(
&mut self,
canonical_type: CanonicalType,
) -> Result<CanonicalType, Self::Error> {
match canonical_type {
CanonicalType::Enum(enum_type) => {
Ok(match self.get_or_make_enum_type_state(enum_type)? {
EnumTypeState::TagEnumAndBody(ty) => TypeEnum::BundleType(ty.canonical()),
EnumTypeState::TagUIntAndBody(ty) => TypeEnum::BundleType(ty.canonical()),
EnumTypeState::UInt(ty) => TypeEnum::UInt(ty),
EnumTypeState::Unchanged => TypeEnum::EnumType(enum_type),
EnumTypeState::TagEnumAndBody(ty) => ty.canonical(),
EnumTypeState::TagUIntAndBody(ty) => ty.canonical(),
EnumTypeState::UInt(ty) => ty.canonical(),
EnumTypeState::Unchanged => enum_type.canonical(),
})
}
TypeEnum::BundleType(_)
| TypeEnum::ArrayType(_)
| TypeEnum::UInt(_)
| TypeEnum::SInt(_)
| TypeEnum::Clock(_)
| TypeEnum::AsyncReset(_)
| TypeEnum::SyncReset(_)
| TypeEnum::Reset(_) => type_enum.default_fold(self),
CanonicalType::Bundle(_)
| CanonicalType::Array(_)
| CanonicalType::UInt(_)
| CanonicalType::SInt(_)
| CanonicalType::Bool(_)
| CanonicalType::Clock(_)
| CanonicalType::AsyncReset(_)
| CanonicalType::SyncReset(_)
| CanonicalType::Reset(_) => canonical_type.default_fold(self),
}
}
fn fold_value_enum(&mut self, value_enum: ValueEnum) -> Result<ValueEnum, Self::Error> {
match value_enum {
ValueEnum::Enum(enum_value) => {
Ok(match self.get_or_make_enum_type_state(enum_value.ty())? {
EnumTypeState::TagEnumAndBody(TagAndBodyType::<DynEnum> {
tag: tag_ty,
body: body_ty,
}) => ValueEnum::Bundle(
TagAndBody {
tag: DynEnum::new_by_index(tag_ty, enum_value.variant_index(), None),
body: value_to_uint(enum_value.variant_value().as_ref(), body_ty),
}
.to_canonical(),
),
EnumTypeState::TagUIntAndBody(TagAndBodyType::<DynUInt> {
tag: tag_ty,
body: body_ty,
}) => ValueEnum::Bundle(
TagAndBody {
tag: DynUInt::with_type(tag_ty, enum_value.variant_index()),
body: value_to_uint(enum_value.variant_value().as_ref(), body_ty),
}
.to_canonical(),
),
EnumTypeState::UInt(target_ty) => {
ValueEnum::UInt(value_to_uint(Some(&enum_value), target_ty))
}
EnumTypeState::Unchanged => ValueEnum::Enum(enum_value),
})
}
ValueEnum::Bundle(_)
| ValueEnum::Array(_)
| ValueEnum::UInt(_)
| ValueEnum::SInt(_)
| ValueEnum::Clock(_)
| ValueEnum::AsyncReset(_)
| ValueEnum::SyncReset(_)
| ValueEnum::Reset(_) => value_enum.default_fold(self),
}
}
fn fold_variant_type<T>(&mut self, _v: VariantType<T>) -> Result<VariantType<T>, Self::Error> {
fn fold_enum_variant(&mut self, _v: EnumVariant) -> Result<EnumVariant, Self::Error> {
unreachable!()
}
fn fold_enum_literal<EnumTy>(
fn fold_enum_literal<T: EnumType>(
&mut self,
_v: ops::EnumLiteral<EnumTy>,
) -> Result<ops::EnumLiteral<EnumTy>, Self::Error>
_v: ops::EnumLiteral<T>,
) -> Result<ops::EnumLiteral<T>, Self::Error>
where
EnumTy: EnumType,
EnumTy::Value: EnumValue<Type = EnumTy>,
T: Fold<Self>,
{
unreachable!()
}
fn fold_variant_access<T, VariantTy>(
fn fold_variant_access<VariantType: Type>(
&mut self,
_v: ops::VariantAccess<T, VariantTy>,
) -> Result<ops::VariantAccess<T, VariantTy>, Self::Error>
where
T: EnumType,
T::Value: EnumValue,
VariantTy: Type,
{
_v: ops::VariantAccess<VariantType>,
) -> Result<ops::VariantAccess<VariantType>, Self::Error> {
unreachable!()
}
}
@ -642,9 +601,9 @@ pub enum SimplifyEnumsKind {
}
pub fn simplify_enums(
module: Interned<Module<DynBundle>>,
module: Interned<Module<Bundle>>,
kind: SimplifyEnumsKind,
) -> Result<Interned<Module<DynBundle>>, SimplifyEnumsError> {
) -> Result<Interned<Module<Bundle>>, SimplifyEnumsError> {
module.fold(&mut State {
enum_types: HashMap::new(),
replacement_mem_ports: HashMap::new(),

View file

@ -3,18 +3,19 @@
#![allow(clippy::multiple_bound_locations)]
use crate::{
annotations::{Annotation, CustomFirrtlAnnotation, TargetedAnnotation},
array::{Array, ArrayType, ArrayTypeTrait, ValueArrayOrSlice},
bundle::{BundleType, BundleValue, DynBundle, DynBundleType, FieldType},
clock::{Clock, ClockType},
enum_::{DynEnum, DynEnumType, EnumType, EnumValue, VariantType},
array::ArrayType,
bundle::{Bundle, BundleField, BundleType},
clock::Clock,
enum_::{Enum, EnumType, EnumVariant},
expr::{
ops, Expr, ExprEnum, Literal, Target, TargetBase, TargetChild, TargetPathArrayElement,
TargetPathBundleField, TargetPathDynArrayElement, TargetPathElement, ToExpr,
},
int::{
DynInt, DynIntType, DynSInt, DynSIntType, DynUInt, DynUIntType, StaticOrDynIntType, IntType,
IntTypeTrait,
ops,
target::{
Target, TargetBase, TargetChild, TargetPathArrayElement, TargetPathBundleField,
TargetPathDynArrayElement, TargetPathElement,
},
Expr, ExprEnum,
},
int::{Bool, SIntType, SIntValue, Size, UIntType, UIntValue},
intern::{Intern, Interned},
memory::{Mem, MemPort, PortKind, PortName, PortType, ReadUnderWrite},
module::{
@ -24,10 +25,9 @@ use crate::{
StmtMatch, StmtReg, StmtWire,
},
reg::Reg,
reset::{AsyncReset, AsyncResetType, Reset, ResetType, SyncReset, SyncResetType},
reset::{AsyncReset, Reset, SyncReset},
source_location::SourceLocation,
ty::{DynCanonicalType, DynCanonicalValue, DynType, Type, TypeEnum, Value, ValueEnum},
util::{ConstBool, GenericConstBool},
ty::{CanonicalType, Type},
wire::Wire,
};
use num_bigint::{BigInt, BigUint};
@ -473,7 +473,4 @@ impl<T: ?Sized + Visit<State>, State: ?Sized + Visitor> Visit<State> for &'_ mut
}
}
type InternedDynType = Interned<dyn DynType>;
type InternedDynCanonicalType = Interned<dyn DynCanonicalType>;
include!(concat!(env!("OUT_DIR"), "/visit.rs"));

View file

@ -2,21 +2,21 @@
// See Notices.txt for copyright information
use crate::{
clock::ClockDomain,
expr::{Expr, ExprTrait, Flow, ToExpr},
expr::{Expr, Flow},
intern::Interned,
module::{NameId, ScopedNameId},
source_location::SourceLocation,
ty::{DynCanonicalType, DynType, Type},
ty::{CanonicalType, Type},
};
use std::fmt;
#[derive(Clone, Eq, PartialEq, Hash)]
#[derive(Copy, Clone, Eq, PartialEq, Hash)]
pub struct Reg<T: Type> {
name: ScopedNameId,
source_location: SourceLocation,
ty: T,
clock_domain: Expr<ClockDomain>,
init: Option<Expr<T::Value>>,
init: Option<Expr<T>>,
}
impl<T: Type + fmt::Debug> fmt::Debug for Reg<T> {
@ -37,20 +37,8 @@ impl<T: Type + fmt::Debug> fmt::Debug for Reg<T> {
}
}
impl<T: Type> ToExpr for Reg<T> {
type Type = T;
fn ty(&self) -> Self::Type {
self.ty.clone()
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
Expr::new_unchecked(self.expr_enum())
}
}
impl<T: Type> Reg<T> {
pub fn canonical(&self) -> Reg<T::CanonicalType> {
pub fn canonical(&self) -> Reg<CanonicalType> {
let Self {
name,
source_location,
@ -66,49 +54,20 @@ impl<T: Type> Reg<T> {
init: init.map(Expr::canonical),
}
}
pub fn to_dyn_reg(&self) -> Reg<Interned<dyn DynType>> {
let Self {
name,
source_location,
ref ty,
clock_domain,
init,
} = *self;
Reg {
name,
source_location,
ty: ty.to_dyn(),
clock_domain,
init: init.map(Expr::to_dyn),
}
}
pub fn to_dyn_canonical_reg(&self) -> Reg<Interned<dyn DynCanonicalType>> {
let Self {
name,
source_location,
ref ty,
clock_domain,
init,
} = *self;
Reg {
name,
source_location,
ty: ty.canonical_dyn(),
clock_domain,
init: init.map(Expr::to_canonical_dyn),
}
}
#[track_caller]
pub fn new_unchecked(
scoped_name: ScopedNameId,
source_location: SourceLocation,
ty: T,
clock_domain: Expr<ClockDomain>,
init: Option<Expr<T::Value>>,
init: Option<Expr<T>>,
) -> Self {
assert!(ty.is_storable(), "register type must be a storable type");
assert!(
ty.canonical().is_storable(),
"register type must be a storable type"
);
if let Some(init) = init {
assert_eq!(ty, init.ty(), "register's type must match init type");
assert_eq!(ty, Expr::ty(init), "register's type must match init type");
}
Self {
name: scoped_name,
@ -118,6 +77,9 @@ impl<T: Type> Reg<T> {
init,
}
}
pub fn ty(&self) -> T {
self.ty
}
pub fn source_location(&self) -> SourceLocation {
self.source_location
}
@ -139,7 +101,7 @@ impl<T: Type> Reg<T> {
pub fn clock_domain(&self) -> Expr<ClockDomain> {
self.clock_domain
}
pub fn init(&self) -> Option<Expr<T::Value>> {
pub fn init(&self) -> Option<Expr<T>> {
self.init
}
pub fn flow(&self) -> Flow {

View file

@ -2,358 +2,119 @@
// See Notices.txt for copyright information
use crate::{
expr::{Expr, ToExpr},
int::{UInt, UIntType},
intern::Interned,
int::Bool,
source_location::SourceLocation,
ty::{
impl_match_values_as_self, CanonicalType, CanonicalTypeKind, CanonicalValue, Connect,
DynCanonicalType, StaticType, Type, TypeEnum, Value, ValueEnum,
},
util::interned_bit,
ty::{impl_match_variant_as_self, CanonicalType, StaticType, Type, TypeProperties},
};
use bitvec::slice::BitSlice;
pub trait ResetTypeTrait: CanonicalType + StaticType<MaskType = UIntType<1>> {}
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default)]
pub struct AsyncResetType;
impl AsyncResetType {
pub const fn new() -> Self {
Self
}
mod sealed {
pub trait ResetTypeSealed {}
}
impl Type for AsyncResetType {
type Value = AsyncReset;
type CanonicalType = AsyncResetType;
type CanonicalValue = AsyncReset;
type MaskType = UIntType<1>;
type MaskValue = UInt<1>;
pub trait ResetType: StaticType<MaskType = Bool> + sealed::ResetTypeSealed {}
impl_match_values_as_self!();
macro_rules! reset_type {
($name:ident, $Trait:ident::$trait_fn:ident, $is_castable_from_bits:literal) => {
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default)]
pub struct $name;
fn mask_type(&self) -> Self::MaskType {
UIntType::new()
}
impl Type for $name {
type BaseType = $name;
type MaskType = Bool;
fn canonical(&self) -> Self::CanonicalType {
*self
}
impl_match_variant_as_self!();
fn source_location(&self) -> SourceLocation {
SourceLocation::builtin()
}
fn mask_type(&self) -> Self::MaskType {
Bool
}
fn type_enum(&self) -> TypeEnum {
TypeEnum::AsyncReset(*self)
}
fn canonical(&self) -> CanonicalType {
CanonicalType::$name(*self)
}
fn from_canonical_type(t: Self::CanonicalType) -> Self {
t
}
fn source_location() -> SourceLocation {
SourceLocation::builtin()
}
fn as_dyn_canonical_type_impl(this: &Self) -> Option<&dyn DynCanonicalType> {
Some(this)
}
}
impl Connect<Self> for AsyncResetType {}
impl CanonicalType for AsyncResetType {
const CANONICAL_TYPE_KIND: CanonicalTypeKind = CanonicalTypeKind::AsyncReset;
}
impl StaticType for AsyncResetType {
fn static_type() -> Self {
Self
}
}
impl ResetTypeTrait for AsyncResetType {}
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
pub struct AsyncReset(pub bool);
impl ToExpr for AsyncReset {
type Type = AsyncResetType;
fn ty(&self) -> Self::Type {
AsyncResetType
}
fn to_expr(&self) -> Expr<Self> {
Expr::from_value(self)
}
}
impl Value for AsyncReset {
fn to_canonical(&self) -> <Self::Type as Type>::CanonicalValue {
*self
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
interned_bit(this.0)
}
}
impl CanonicalValue for AsyncReset {
fn value_enum_impl(this: &Self) -> ValueEnum {
ValueEnum::AsyncReset(*this)
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
interned_bit(this.0)
}
}
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default)]
pub struct SyncResetType;
impl SyncResetType {
pub const fn new() -> Self {
Self
}
}
impl Type for SyncResetType {
type CanonicalType = SyncResetType;
type Value = SyncReset;
type CanonicalValue = SyncReset;
type MaskType = UIntType<1>;
type MaskValue = UInt<1>;
impl_match_values_as_self!();
fn mask_type(&self) -> Self::MaskType {
UIntType::new()
}
fn canonical(&self) -> Self::CanonicalType {
*self
}
fn source_location(&self) -> SourceLocation {
SourceLocation::builtin()
}
fn type_enum(&self) -> TypeEnum {
TypeEnum::SyncReset(*self)
}
fn from_canonical_type(t: Self::CanonicalType) -> Self {
t
}
fn as_dyn_canonical_type_impl(this: &Self) -> Option<&dyn DynCanonicalType> {
Some(this)
}
}
impl Connect<Self> for SyncResetType {}
impl CanonicalType for SyncResetType {
const CANONICAL_TYPE_KIND: CanonicalTypeKind = CanonicalTypeKind::SyncReset;
}
impl StaticType for SyncResetType {
fn static_type() -> Self {
Self
}
}
impl ResetTypeTrait for SyncResetType {}
#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default)]
pub struct SyncReset(pub bool);
impl ToExpr for SyncReset {
type Type = SyncResetType;
fn ty(&self) -> Self::Type {
SyncResetType
}
fn to_expr(&self) -> Expr<Self> {
Expr::from_value(self)
}
}
impl Value for SyncReset {
fn to_canonical(&self) -> <Self::Type as Type>::CanonicalValue {
*self
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
interned_bit(this.0)
}
}
impl CanonicalValue for SyncReset {
fn value_enum_impl(this: &Self) -> ValueEnum {
ValueEnum::SyncReset(*this)
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
interned_bit(this.0)
}
}
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Default)]
pub struct ResetType;
impl ResetType {
pub const fn new() -> Self {
Self
}
}
impl Type for ResetType {
type Value = Reset;
type CanonicalType = ResetType;
type CanonicalValue = Reset;
type MaskType = UIntType<1>;
type MaskValue = UInt<1>;
impl_match_values_as_self!();
fn mask_type(&self) -> Self::MaskType {
UIntType::new()
}
fn canonical(&self) -> Self::CanonicalType {
*self
}
fn source_location(&self) -> SourceLocation {
SourceLocation::builtin()
}
fn type_enum(&self) -> TypeEnum {
TypeEnum::Reset(*self)
}
fn from_canonical_type(t: Self::CanonicalType) -> Self {
t
}
fn as_dyn_canonical_type_impl(this: &Self) -> Option<&dyn DynCanonicalType> {
Some(this)
}
}
impl Connect<Self> for ResetType {}
impl CanonicalType for ResetType {
const CANONICAL_TYPE_KIND: CanonicalTypeKind = CanonicalTypeKind::Reset;
}
impl StaticType for ResetType {
fn static_type() -> Self {
Self
}
}
impl ResetTypeTrait for ResetType {}
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum Reset {}
impl ToExpr for Reset {
type Type = ResetType;
fn ty(&self) -> Self::Type {
match *self {}
}
fn to_expr(&self) -> Expr<Self> {
Expr::from_value(self)
}
}
impl Value for Reset {
fn to_canonical(&self) -> <Self::Type as Type>::CanonicalValue {
*self
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
match *this {}
}
}
impl CanonicalValue for Reset {
fn value_enum_impl(this: &Self) -> ValueEnum {
ValueEnum::Reset(*this)
}
fn to_bits_impl(this: &Self) -> Interned<BitSlice> {
match *this {}
}
}
macro_rules! make_to_reset {
(
$(#[from_value($from_value_ty:ty)])*
$vis:vis trait $Trait:ident {
fn $fn:ident(&self) -> Expr<$T:ty>;
fn from_canonical(canonical_type: CanonicalType) -> Self {
let CanonicalType::$name(retval) = canonical_type else {
panic!("expected {}", stringify!($name));
};
retval
}
}
) => {
$vis trait $Trait {
fn $fn(&self) -> Expr<$T>;
impl $name {
pub fn type_properties(self) -> TypeProperties {
Self::TYPE_PROPERTIES
}
pub fn can_connect(self, _rhs: Self) -> bool {
true
}
}
impl StaticType for $name {
const TYPE: Self = Self;
const MASK_TYPE: Self::MaskType = Bool;
const TYPE_PROPERTIES: TypeProperties = TypeProperties {
is_passive: true,
is_storable: false,
is_castable_from_bits: $is_castable_from_bits,
bit_width: 1,
};
const MASK_TYPE_PROPERTIES: TypeProperties = Bool::TYPE_PROPERTIES;
}
impl sealed::ResetTypeSealed for $name {}
impl ResetType for $name {}
pub trait $Trait {
fn $trait_fn(&self) -> Expr<$name>;
}
impl<T: ?Sized + $Trait> $Trait for &'_ T {
fn $fn(&self) -> Expr<$T> {
(**self).$fn()
fn $trait_fn(&self) -> Expr<$name> {
(**self).$trait_fn()
}
}
impl<T: ?Sized + $Trait> $Trait for &'_ mut T {
fn $fn(&self) -> Expr<$T> {
(**self).$fn()
fn $trait_fn(&self) -> Expr<$name> {
(**self).$trait_fn()
}
}
impl<T: ?Sized + $Trait> $Trait for Box<T> {
fn $fn(&self) -> Expr<$T> {
(**self).$fn()
fn $trait_fn(&self) -> Expr<$name> {
(**self).$trait_fn()
}
}
impl $Trait for Expr<$T> {
fn $fn(&self) -> Expr<$T> {
impl $Trait for Expr<$name> {
fn $trait_fn(&self) -> Expr<$name> {
*self
}
}
impl $Trait for $T {
fn $fn(&self) -> Expr<$T> {
self.to_expr()
}
}
$(impl $Trait for $from_value_ty {
fn $fn(&self) -> Expr<$T> {
self.to_expr().$fn()
}
})*
};
}
make_to_reset! {
#[from_value(SyncReset)]
#[from_value(AsyncReset)]
pub trait ToReset {
fn to_reset(&self) -> Expr<Reset>;
reset_type!(AsyncReset, ToAsyncReset::to_async_reset, true);
reset_type!(SyncReset, ToSyncReset::to_sync_reset, true);
reset_type!(
Reset,
ToReset::to_reset,
false // Reset is not castable from bits because we don't know if it's async or sync
);
impl ToSyncReset for bool {
fn to_sync_reset(&self) -> Expr<SyncReset> {
self.to_expr().to_sync_reset()
}
}
make_to_reset! {
#[from_value(bool)]
#[from_value(UInt<1>)]
pub trait ToAsyncReset {
fn to_async_reset(&self) -> Expr<AsyncReset>;
}
}
make_to_reset! {
#[from_value(bool)]
#[from_value(UInt<1>)]
pub trait ToSyncReset {
fn to_sync_reset(&self) -> Expr<SyncReset>;
impl ToAsyncReset for bool {
fn to_async_reset(&self) -> Expr<AsyncReset> {
self.to_expr().to_async_reset()
}
}

File diff suppressed because it is too large Load diff

View file

@ -3,10 +3,14 @@
mod const_bool;
mod const_cmp;
mod const_usize;
mod misc;
mod scoped_ref;
#[doc(inline)]
pub use const_bool::{ConstBool, ConstBoolDispatch, ConstBoolDispatchTag, GenericConstBool};
#[doc(inline)]
pub use const_usize::{ConstUsize, GenericConstUsize};
#[doc(inline)]
pub use const_cmp::{
@ -14,6 +18,9 @@ pub use const_cmp::{
const_usize_cmp,
};
#[doc(inline)]
pub use scoped_ref::ScopedRef;
#[doc(inline)]
pub use misc::{
interned_bit, iter_eq_by, BitSliceWriteWithBase, DebugAsDisplay, DebugAsRawString, MakeMutSlice,

View file

@ -0,0 +1,29 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use std::{fmt::Debug, hash::Hash};
mod sealed {
pub trait Sealed {}
}
/// the only implementation is `ConstUsize<Self::VALUE>`
pub trait GenericConstUsize:
sealed::Sealed + Copy + Ord + Hash + Default + Debug + 'static + Send + Sync
{
const VALUE: usize;
}
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
pub struct ConstUsize<const VALUE: usize>;
impl<const VALUE: usize> Debug for ConstUsize<VALUE> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_tuple("ConstUsize").field(&Self::VALUE).finish()
}
}
impl<const VALUE: usize> sealed::Sealed for ConstUsize<VALUE> {}
impl<const VALUE: usize> GenericConstUsize for ConstUsize<VALUE> {
const VALUE: usize = VALUE;
}

View file

@ -0,0 +1,106 @@
mod safety_boundary {
use std::{cell::Cell, ptr::NonNull};
pub(super) struct Impl<T: ?Sized>(Cell<Option<NonNull<T>>>);
impl<T: ?Sized> Impl<T> {
#[inline]
pub(super) const fn new() -> Self {
Self(Cell::new(None))
}
#[inline]
pub(super) const fn opt_static_ref(v: Option<&'static T>) -> Self {
Self(Cell::new(if let Some(v) = v {
// SAFETY: v is a valid reference for lifetime 'static
unsafe { Some(NonNull::new_unchecked(v as *const T as *mut T)) }
} else {
None
}))
}
/// set `self` to `value` for the duration of the `f()` call.
#[inline]
pub(super) fn set_opt<F: FnOnce() -> R, R>(&self, value: Option<&T>, f: F) -> R {
struct ResetOnDrop<'a, T: ?Sized> {
this: &'a Impl<T>,
old: Option<NonNull<T>>,
}
impl<T: ?Sized> Drop for ResetOnDrop<'_, T> {
fn drop(&mut self) {
self.this.0.set(self.old);
}
}
// reset to old value before exiting this function ensuring `self`
// is not set to `value` when its lifetime is expired
let _reset_on_drop = ResetOnDrop {
this: self,
old: self.0.replace(value.map(NonNull::from)),
};
f()
}
#[inline]
pub(super) fn get_ptr(&self) -> Option<NonNull<T>> {
self.0.get()
}
/// get the reference in `self` for the duration of the `f(...)` call.
#[inline]
pub(super) fn with_opt<F: for<'a> FnOnce(Option<&'a T>) -> R, R>(&self, f: F) -> R {
// SAFETY:
// `self.0` is only `Some` when inside some `set_opt` call or when set
// to some `&'static T`, which ensures that the pointer is live and valid.
//
// the reference we give away has its lifetime scoped to this
// function call which ensures that it won't escape
unsafe { f(self.0.get().map(|v| &*v.as_ptr())) }
}
}
}
/// holds a `Cell<Option<&'scoped T>>` where `'scoped` is erased. This is useful for holding references in TLS.
pub struct ScopedRef<T: ?Sized>(safety_boundary::Impl<T>);
impl<T: ?Sized> ScopedRef<T> {
/// create a new empty [`ScopedRef`]
#[inline]
pub const fn new() -> Self {
Self(safety_boundary::Impl::new())
}
#[inline]
pub const fn opt_static_ref(v: Option<&'static T>) -> Self {
Self(safety_boundary::Impl::opt_static_ref(v))
}
#[inline]
pub const fn static_ref(v: &'static T) -> Self {
Self::opt_static_ref(Some(v))
}
/// set `self` to `value` for the duration of the `f()` call.
#[inline]
pub fn set_opt<F: FnOnce() -> R, R>(&self, value: Option<&T>, f: F) -> R {
self.0.set_opt(value, f)
}
/// set `self` to `value` for the duration of the `f()` call.
#[inline]
pub fn set<F: FnOnce() -> R, R>(&self, value: &T, f: F) -> R {
self.0.set_opt(Some(value), f)
}
#[inline]
pub fn is_some(&self) -> bool {
self.0.get_ptr().is_some()
}
#[inline]
pub fn is_none(&self) -> bool {
self.0.get_ptr().is_none()
}
/// get the reference in `self` for the duration of the `f(...)` call. panics if no reference is set.
#[inline]
pub fn with<F: FnOnce(&T) -> R, R>(&self, f: F) -> R {
self.0.with_opt(
#[inline]
|v| f(v.expect("called ScopedRef::with on an empty ScopedRef")),
)
}
/// get the reference in `self` for the duration of the `f(...)` call.
#[inline]
pub fn with_opt<F: FnOnce(Option<&T>) -> R, R>(&self, f: F) -> R {
self.0.with_opt(f)
}
}

View file

@ -1,15 +1,15 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use crate::{
expr::{Expr, ExprTrait, Flow, ToExpr},
expr::Flow,
intern::Interned,
module::{NameId, ScopedNameId},
source_location::SourceLocation,
ty::{DynCanonicalType, DynType, Type},
ty::{CanonicalType, Type},
};
use std::fmt;
#[derive(Clone, Eq, PartialEq, Hash)]
#[derive(Copy, Clone, Eq, PartialEq, Hash)]
pub struct Wire<T: Type> {
name: ScopedNameId,
source_location: SourceLocation,
@ -25,20 +25,8 @@ impl<T: Type + fmt::Debug> fmt::Debug for Wire<T> {
}
}
impl<T: Type> ToExpr for Wire<T> {
type Type = T;
fn ty(&self) -> Self::Type {
self.ty.clone()
}
fn to_expr(&self) -> Expr<<Self::Type as Type>::Value> {
Expr::new_unchecked(self.expr_enum())
}
}
impl<T: Type> Wire<T> {
pub fn canonical(&self) -> Wire<T::CanonicalType> {
pub fn canonical(&self) -> Wire<CanonicalType> {
let Self {
name,
source_location,
@ -50,29 +38,8 @@ impl<T: Type> Wire<T> {
ty: ty.canonical(),
}
}
pub fn to_dyn_wire(&self) -> Wire<Interned<dyn DynType>> {
let Self {
name,
source_location,
ref ty,
} = *self;
Wire {
name,
source_location,
ty: ty.to_dyn(),
}
}
pub fn to_dyn_canonical_wire(&self) -> Wire<Interned<dyn DynCanonicalType>> {
let Self {
name,
source_location,
ref ty,
} = *self;
Wire {
name,
source_location,
ty: ty.canonical_dyn(),
}
pub fn ty(&self) -> T {
self.ty
}
pub fn new_unchecked(
scoped_name: ScopedNameId,

View file

@ -6,24 +6,25 @@ use fayalite::{
assert_export_firrtl,
clock::{Clock, ClockDomain},
expr::ToExpr,
hdl_module,
int::{DynUInt, DynUIntType, IntCmp, SInt, UInt},
hdl, hdl_module,
int::{IntCmp, SInt, UInt},
intern::Intern,
memory::MemBuilder,
module::transform::simplify_enums::{simplify_enums, SimplifyEnumsKind},
reset::{SyncReset, ToReset},
source_location::SourceLocation,
ty::{StaticValue, Value},
ty::{StaticType, Type},
};
use serde_json::json;
#[derive(Value, Hash, Eq, PartialEq, Debug, Clone)]
#[hdl(outline_generated)]
pub enum TestEnum {
A,
B(UInt<8>),
C(Array<[UInt<1>; 3]>),
C(Array<UInt<1>, 3>),
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn my_module(width: usize) {
#[hdl]
@ -37,11 +38,11 @@ pub fn my_module(width: usize) {
#[hdl]
let i: UInt<8> = m.input();
#[hdl]
let o: Array<[UInt<8>; 3]> = m.output();
let o: Array<UInt<8>, 3> = m.output();
#[hdl]
let i2: DynUInt = m.input(DynUIntType::new(width));
let i2: UInt = m.input(UInt[width]);
#[hdl]
let o2: DynUInt = m.output(DynUIntType::new(width));
let o2: UInt = m.output(UInt[width]);
#[hdl]
let o3: (UInt<32>, SInt<5>) = m.output();
m.connect(
@ -71,6 +72,7 @@ pub fn my_module(width: usize) {
);
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn module2() {
#[hdl]
@ -83,6 +85,7 @@ pub fn module2() {
m.connect(o, w);
}
#[cfg(todo)]
#[test]
fn test_mymodule() {
let _n = SourceLocation::normalize_files_for_tests();
@ -139,6 +142,7 @@ circuit my_module:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_array_repeat<const N: usize>() {
#[hdl]
@ -152,6 +156,7 @@ pub fn check_array_repeat<const N: usize>() {
);
}
#[cfg(todo)]
#[test]
fn test_array_repeat() {
let _n = SourceLocation::normalize_files_for_tests();
@ -192,6 +197,7 @@ circuit check_array_repeat_1:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_skipped_generics<T, #[hdl(skip)] U, const N: usize, #[hdl(skip)] const M: usize>(v: U)
where
@ -214,6 +220,7 @@ where
m.connect(o2, bytes);
}
#[cfg(todo)]
#[test]
fn test_skipped_generics() {
let _n = SourceLocation::normalize_files_for_tests();
@ -252,6 +259,7 @@ circuit check_skipped_generics:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_partially_written() {
#[hdl]
@ -261,12 +269,14 @@ pub fn check_partially_written() {
m.connect(o.0, i.0);
}
#[cfg(todo)]
#[test]
#[should_panic(expected = "check_partially_written::o.1 is not connected to")]
fn test_partially_written() {
check_partially_written();
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_conditionally_written() {
#[hdl]
@ -281,12 +291,14 @@ pub fn check_conditionally_written() {
}
}
#[cfg(todo)]
#[test]
#[should_panic(expected = "check_conditionally_written::o is not always connected to")]
fn test_conditionally_written() {
check_conditionally_written();
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_written_inside_condition() {
#[hdl]
@ -301,6 +313,7 @@ pub fn check_written_inside_condition() {
}
}
#[cfg(todo)]
#[test]
fn test_written_inside_condition() {
let _n = SourceLocation::normalize_files_for_tests();
@ -321,6 +334,7 @@ circuit check_written_inside_condition:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_written_with_dynamic_index() {
#[hdl]
@ -332,12 +346,14 @@ pub fn check_written_with_dynamic_index() {
m.connect(w[idx], i);
}
#[cfg(todo)]
#[test]
#[should_panic = "is not always connected to"]
fn test_written_with_dynamic_index() {
check_written_with_dynamic_index();
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_written_inside_both_if_else() {
#[hdl]
@ -354,6 +370,7 @@ pub fn check_written_inside_both_if_else() {
}
}
#[cfg(todo)]
#[test]
fn test_written_inside_both_if_else() {
let _n = SourceLocation::normalize_files_for_tests();
@ -376,20 +393,19 @@ circuit check_written_inside_both_if_else:
};
}
#[derive(Value, Clone, PartialEq, Eq, Hash, Debug)]
#[hdl(static, outline_generated)]
#[hdl(outline_generated)]
pub struct TestStruct<T> {
pub a: T,
pub b: UInt<8>,
}
#[derive(Value, Clone, PartialEq, Eq, Hash, Debug)]
#[hdl(static, outline_generated)]
pub struct TestStruct2(pub UInt<8>);
#[hdl(outline_generated)]
pub struct TestStruct2 {
pub v: UInt<8>,
}
#[derive(Value, Clone, PartialEq, Eq, Hash, Debug)]
#[hdl(static, outline_generated)]
pub struct TestStruct3;
#[hdl(outline_generated)]
pub struct TestStruct3 {}
#[hdl_module(outline_generated)]
pub fn check_struct_literals() {
@ -409,7 +425,7 @@ pub fn check_struct_literals() {
m.connect(
o2,
#[hdl]
TestStruct2(i),
TestStruct2 { v: i },
);
m.connect(
o3,
@ -450,6 +466,7 @@ circuit check_struct_literals:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_enum_literals() {
#[hdl]
@ -488,6 +505,7 @@ pub fn check_enum_literals() {
}
}
#[cfg(todo)]
#[test]
fn test_enum_literals() {
let _n = SourceLocation::normalize_files_for_tests();
@ -669,6 +687,7 @@ circuit check_enum_literals:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_struct_enum_match() {
#[hdl]
@ -710,6 +729,7 @@ pub fn check_struct_enum_match() {
}
}
#[cfg(todo)]
#[test]
fn test_struct_enum_match() {
let _n = SourceLocation::normalize_files_for_tests();
@ -960,6 +980,7 @@ circuit check_struct_enum_match:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_extern_module() {
#[hdl]
@ -988,6 +1009,7 @@ pub fn check_extern_module() {
m.connect(o, submodule.o);
}
#[cfg(todo)]
#[test]
fn test_extern_module() {
let _n = SourceLocation::normalize_files_for_tests();
@ -1019,6 +1041,7 @@ circuit check_extern_module:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory() {
#[hdl]
@ -1046,6 +1069,7 @@ pub fn check_memory() {
m.connect(write_port.mask, 1_hdl_u1);
}
#[cfg(todo)]
#[test]
fn test_memory() {
let _n = SourceLocation::normalize_files_for_tests();
@ -1085,6 +1109,7 @@ circuit check_memory:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_init() {
#[hdl]
@ -1136,6 +1161,7 @@ pub fn check_memory_init() {
m.connect(write_port2.mask, 1_hdl_u1);
}
#[cfg(todo)]
#[test]
fn test_memory_init() {
let _n = SourceLocation::normalize_files_for_tests();
@ -1485,6 +1511,7 @@ a9
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_array() {
#[hdl]
@ -1518,6 +1545,7 @@ pub fn check_memory_of_array() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_array() {
let _n = SourceLocation::normalize_files_for_tests();
@ -1582,6 +1610,7 @@ b8c40e
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_arrays() {
#[hdl]
@ -1622,6 +1651,7 @@ pub fn check_memory_of_arrays() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_arrays() {
let _n = SourceLocation::normalize_files_for_tests();
@ -1714,6 +1744,7 @@ circuit check_memory_of_arrays: %[[
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_bundle_of_arrays() {
#[hdl]
@ -1758,6 +1789,7 @@ pub fn check_memory_of_bundle_of_arrays() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_bundle_of_arrays() {
let _n = SourceLocation::normalize_files_for_tests();
@ -1894,6 +1926,7 @@ circuit check_memory_of_bundle_of_arrays: %[[
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_array_of_bundle() {
#[hdl]
@ -1934,6 +1967,7 @@ pub fn check_memory_of_array_of_bundle() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_array_of_bundle() {
let _n = SourceLocation::normalize_files_for_tests();
@ -2215,6 +2249,7 @@ b8
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_bundle() {
#[hdl]
@ -2248,6 +2283,7 @@ pub fn check_memory_of_bundle() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_bundle() {
let _n = SourceLocation::normalize_files_for_tests();
@ -2369,6 +2405,7 @@ circuit check_memory_of_bundle: %[[
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_enum() {
#[hdl]
@ -2418,6 +2455,7 @@ pub fn check_memory_of_enum() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_enum() {
let _n = SourceLocation::normalize_files_for_tests();
@ -2851,6 +2889,7 @@ circuit check_memory_of_enum: %[[
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_memory_of_array_of_enum() {
#[hdl]
@ -2880,6 +2919,7 @@ pub fn check_memory_of_array_of_enum() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_memory_of_array_of_enum() {
let _n = SourceLocation::normalize_files_for_tests();
@ -2999,6 +3039,7 @@ circuit check_memory_of_array_of_enum:
};
}
#[cfg(todo)]
#[hdl_module(outline_generated)]
pub fn check_annotations() {
m.annotate_module(Annotation::CustomFirrtl(CustomFirrtlAnnotation {
@ -3091,6 +3132,7 @@ pub fn check_annotations() {
m.connect(write_port.mask, wmask);
}
#[cfg(todo)]
#[test]
fn test_annotations() {
let _n = SourceLocation::normalize_files_for_tests();

View file

@ -1,32 +1,26 @@
// SPDX-License-Identifier: LGPL-3.0-or-later
// See Notices.txt for copyright information
use fayalite::{
int::UInt,
ty::{StaticValue, Value},
array::ArrayType,
hdl,
int::{IntType, Size, UInt},
};
#[derive(Value, Clone, Hash, PartialEq, Eq, Debug)]
#[hdl(outline_generated)]
pub struct S<T> {
pub struct S<T: IntType, Len: Size> {
pub a: T,
b: UInt<3>,
pub(crate) c: ArrayType<UInt<1>, Len>,
}
#[derive(Value, Clone, Hash, PartialEq, Eq, Debug)]
#[hdl(outline_generated)]
pub enum E<T> {
A,
B {},
C(),
D(UInt<3>),
E { a: UInt<3> },
F(UInt<3>, UInt<3>),
G(T),
H(T, UInt<1>),
B(UInt<3>),
C(T),
}
#[derive(Value, Clone, Hash, PartialEq, Eq, Debug)]
#[hdl(outline_generated, static, where(T: StaticValue))]
pub struct S2<T> {
#[hdl(outline_generated)]
pub struct S2<T = ()> {
pub v: E<T>,
}

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