forked from libre-chip/fayalite
1203 lines
51 KiB
Rust
1203 lines
51 KiB
Rust
// SPDX-License-Identifier: LGPL-3.0-or-later
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// See Notices.txt for copyright information
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use crate::{
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Errors, HdlAttr, PairsIterExt,
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hdl_type_common::{
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ItemOptions, MakeHdlTypeExpr, MaybeParsed, ParsedField, ParsedFieldsNamed, ParsedGenerics,
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SplitForImpl, TypesParser, WrappedInConst, common_derives, get_target,
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},
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kw,
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};
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use proc_macro2::TokenStream;
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use quote::{ToTokens, format_ident, quote_spanned};
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use syn::{
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AngleBracketedGenericArguments, Attribute, Field, FieldMutability, Fields, FieldsNamed,
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GenericParam, Generics, Ident, ItemStruct, Path, Token, Type, Visibility, parse_quote,
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parse_quote_spanned,
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punctuated::{Pair, Punctuated},
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spanned::Spanned,
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token::Brace,
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};
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#[derive(Clone, Debug)]
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pub(crate) struct ParsedBundle {
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pub(crate) attrs: Vec<Attribute>,
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pub(crate) options: HdlAttr<ItemOptions, kw::hdl>,
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pub(crate) vis: Visibility,
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pub(crate) struct_token: Token![struct],
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pub(crate) ident: Ident,
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pub(crate) generics: MaybeParsed<ParsedGenerics, Generics>,
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pub(crate) fields: MaybeParsed<ParsedFieldsNamed, FieldsNamed>,
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pub(crate) field_flips: Vec<Option<HdlAttr<kw::flip, kw::hdl>>>,
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pub(crate) mask_type_ident: Ident,
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pub(crate) mask_type_match_variant_ident: Ident,
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pub(crate) mask_type_sim_value_ident: Ident,
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pub(crate) match_variant_ident: Ident,
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pub(crate) sim_value_ident: Ident,
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pub(crate) builder_ident: Ident,
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pub(crate) mask_type_builder_ident: Ident,
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}
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impl ParsedBundle {
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fn parse_field(
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errors: &mut Errors,
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field: &mut Field,
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index: usize,
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) -> Option<HdlAttr<kw::flip, kw::hdl>> {
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let Field {
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attrs,
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vis: _,
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mutability,
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ident,
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colon_token,
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ty,
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} = field;
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let ident = ident.get_or_insert_with(|| format_ident!("_{}", index, span = ty.span()));
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if !matches!(mutability, FieldMutability::None) {
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// FIXME: use mutability as the spanned tokens,
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// blocked on https://github.com/dtolnay/syn/issues/1717
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errors.error(&ident, "field mutability is not supported");
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*mutability = FieldMutability::None;
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}
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*mutability = FieldMutability::None;
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colon_token.get_or_insert(Token));
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errors.unwrap_or_default(HdlAttr::parse_and_take_attr(attrs))
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}
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fn parse(item: ItemStruct) -> syn::Result<Self> {
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let ItemStruct {
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mut attrs,
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vis,
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struct_token,
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ident,
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mut generics,
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fields,
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semi_token,
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} = item;
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let mut errors = Errors::new();
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let mut options = errors
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.unwrap_or_default(HdlAttr::<ItemOptions, kw::hdl>::parse_and_take_attr(
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&mut attrs,
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))
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.unwrap_or_default();
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errors.ok(options.body.validate());
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let ItemOptions {
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outline_generated: _,
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target: _,
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custom_bounds,
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no_static: _,
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no_runtime_generics: _,
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cmp_eq: _,
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} = options.body;
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let mut fields = match fields {
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syn::Fields::Named(fields) => fields,
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syn::Fields::Unnamed(fields) => {
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errors.error(&fields, "#[hdl] struct must use curly braces: {}");
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FieldsNamed {
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brace_token: Brace(fields.paren_token.span),
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named: fields.unnamed,
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}
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}
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syn::Fields::Unit => {
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errors.error(&fields, "#[hdl] struct must use curly braces: {}");
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FieldsNamed {
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brace_token: Brace(semi_token.unwrap_or_default().span),
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named: Punctuated::default(),
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}
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}
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};
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let mut field_flips = Vec::with_capacity(fields.named.len());
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for (index, field) in fields.named.iter_mut().enumerate() {
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field_flips.push(Self::parse_field(&mut errors, field, index));
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}
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let generics = if custom_bounds.is_some() {
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MaybeParsed::Unrecognized(generics)
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} else if let Some(generics) = errors.ok(ParsedGenerics::parse(&mut generics)) {
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MaybeParsed::Parsed(generics)
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} else {
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MaybeParsed::Unrecognized(generics)
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};
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let fields = TypesParser::maybe_run(generics.as_ref(), fields, &mut errors);
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errors.finish()?;
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Ok(Self {
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attrs,
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options,
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vis,
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struct_token,
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generics,
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fields,
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field_flips,
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mask_type_ident: format_ident!("__{}__MaskType", ident),
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mask_type_match_variant_ident: format_ident!("__{}__MaskType__MatchVariant", ident),
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mask_type_sim_value_ident: format_ident!("__{}__MaskType__SimValue", ident),
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match_variant_ident: format_ident!("__{}__MatchVariant", ident),
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sim_value_ident: format_ident!("__{}__SimValue", ident),
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mask_type_builder_ident: format_ident!("__{}__MaskType__Builder", ident),
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builder_ident: format_ident!("__{}__Builder", ident),
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ident,
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})
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}
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}
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#[derive(Clone, Debug)]
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struct Builder {
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vis: Visibility,
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struct_token: Token![struct],
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ident: Ident,
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target: Path,
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generics: Generics,
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fields: FieldsNamed,
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}
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#[derive(Copy, Clone, Eq, PartialEq, Debug)]
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enum BuilderFieldState {
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Unfilled,
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Generic,
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Filled,
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}
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impl Builder {
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fn phantom_field_name(&self) -> Ident {
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format_ident!("__phantom", span = self.ident.span())
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}
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fn phantom_field(&self) -> Field {
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let target = &self.target;
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let type_generics = self.generics.split_for_impl().1;
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Field {
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attrs: vec![],
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vis: Visibility::Inherited,
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mutability: FieldMutability::None,
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ident: Some(self.phantom_field_name()),
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colon_token: Some(Token)),
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ty: parse_quote_spanned! {self.ident.span()=>
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::fayalite::__std::marker::PhantomData<#target #type_generics>
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},
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}
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}
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fn builder_struct_generics(
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&self,
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mut get_field_state: impl FnMut(usize) -> BuilderFieldState,
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) -> Generics {
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let mut retval = self.generics.clone();
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for param in retval.params.iter_mut() {
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match param {
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GenericParam::Lifetime(_) => {}
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GenericParam::Type(param) => param.default = None,
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GenericParam::Const(param) => param.default = None,
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}
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}
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for (field_index, field) in self.fields.named.iter().enumerate() {
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match get_field_state(field_index) {
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BuilderFieldState::Unfilled | BuilderFieldState::Filled => continue,
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BuilderFieldState::Generic => {}
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}
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if !retval.params.empty_or_trailing() {
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retval.params.push_punct(Token));
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}
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retval.params.push_value(GenericParam::Type(
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type_var_for_field_name(field.ident.as_ref().unwrap()).into(),
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));
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}
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retval
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}
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fn builder_struct_ty(
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&self,
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mut get_field_state: impl FnMut(usize) -> BuilderFieldState,
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) -> Type {
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let mut ty_arguments: AngleBracketedGenericArguments = if self.generics.params.is_empty() {
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parse_quote_spanned! {self.ident.span()=>
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<>
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}
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} else {
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let builder_type_generics = self.generics.split_for_impl().1;
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parse_quote! { #builder_type_generics }
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};
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for (field_index, Field { ident, ty, .. }) in self.fields.named.iter().enumerate() {
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let ident = ident.as_ref().unwrap();
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if !ty_arguments.args.empty_or_trailing() {
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ty_arguments.args.push_punct(Token));
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}
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ty_arguments
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.args
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.push_value(match get_field_state(field_index) {
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BuilderFieldState::Unfilled => parse_quote_spanned! {self.ident.span()=>
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::fayalite::bundle::Unfilled<#ty>
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},
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BuilderFieldState::Generic => {
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let type_var = type_var_for_field_name(ident);
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parse_quote_spanned! {self.ident.span()=>
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#type_var
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}
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}
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BuilderFieldState::Filled => parse_quote_spanned! {self.ident.span()=>
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::fayalite::expr::Expr<#ty>
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},
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});
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}
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let ident = &self.ident;
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parse_quote_spanned! {ident.span()=>
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#ident #ty_arguments
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}
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}
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}
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fn type_var_for_field_name(ident: &Ident) -> Ident {
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format_ident!("__T_{}", ident)
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}
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fn field_fn_for_field_name(ident: &Ident) -> Ident {
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format_ident!("field_{}", ident)
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}
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impl ToTokens for Builder {
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fn to_tokens(&self, tokens: &mut TokenStream) {
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let Self {
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vis,
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struct_token,
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ident,
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target,
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generics: _,
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fields,
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} = self;
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let phantom_field_name = self.phantom_field_name();
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let builder_struct = ItemStruct {
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attrs: vec![parse_quote_spanned! {ident.span()=>
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#[allow(non_camel_case_types, dead_code)]
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}],
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vis: vis.clone(),
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struct_token: *struct_token,
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ident: ident.clone(),
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generics: self.builder_struct_generics(|_| BuilderFieldState::Generic),
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fields: Fields::Named(FieldsNamed {
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brace_token: fields.brace_token,
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named: Punctuated::from_iter(
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[Pair::Punctuated(
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self.phantom_field(),
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Token),
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)]
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.into_iter()
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.chain(fields.named.pairs().map_pair_value_ref(|field| {
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let ident = field.ident.as_ref().unwrap();
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let type_var = type_var_for_field_name(ident);
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Field {
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vis: Visibility::Inherited,
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ty: parse_quote_spanned! {ident.span()=>
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#type_var
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},
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..field.clone()
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}
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})),
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),
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}),
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semi_token: None,
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};
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builder_struct.to_tokens(tokens);
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let field_idents = Vec::from_iter(
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self.fields
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.named
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.iter()
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.map(|field| field.ident.as_ref().unwrap()),
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);
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for (
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field_index,
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Field {
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vis,
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ident: field_ident,
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ty,
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..
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},
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) in self.fields.named.iter().enumerate()
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{
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let field_ident = field_ident.as_ref().unwrap();
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let fn_ident = field_fn_for_field_name(field_ident);
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let fn_generics = self.builder_struct_generics(|i| {
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if i == field_index {
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BuilderFieldState::Unfilled
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} else {
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BuilderFieldState::Generic
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}
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});
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let (impl_generics, _, where_clause) = fn_generics.split_for_impl();
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let unfilled_ty = self.builder_struct_ty(|i| {
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if i == field_index {
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BuilderFieldState::Unfilled
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} else {
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BuilderFieldState::Generic
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}
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});
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let filled_ty = self.builder_struct_ty(|i| {
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if i == field_index {
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BuilderFieldState::Filled
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} else {
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BuilderFieldState::Generic
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}
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});
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let pat_fields =
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Vec::from_iter(self.fields.named.iter().enumerate().map(|(i, field)| {
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let field_ident = field.ident.as_ref().unwrap();
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if field_index == i {
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quote_spanned! {self.ident.span()=>
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#field_ident: _,
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}
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} else {
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quote_spanned! {self.ident.span()=>
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#field_ident,
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}
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}
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}));
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quote_spanned! {self.ident.span()=>
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#[allow(non_camel_case_types, non_snake_case, dead_code)]
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impl #impl_generics #unfilled_ty
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#where_clause
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{
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#vis fn #fn_ident(
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self,
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#field_ident: impl ::fayalite::expr::ToExpr<Type = #ty>,
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) -> #filled_ty {
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let Self {
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#phantom_field_name: _,
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#(#pat_fields)*
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} = self;
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let #field_ident = ::fayalite::expr::ToExpr::to_expr(&#field_ident);
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#ident {
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#phantom_field_name: ::fayalite::__std::marker::PhantomData,
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#(#field_idents,)*
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}
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}
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}
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}
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.to_tokens(tokens);
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}
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let unfilled_generics = self.builder_struct_generics(|_| BuilderFieldState::Unfilled);
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let unfilled_ty = self.builder_struct_ty(|_| BuilderFieldState::Unfilled);
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let (unfilled_impl_generics, _, unfilled_where_clause) = unfilled_generics.split_for_impl();
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quote_spanned! {self.ident.span()=>
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#[automatically_derived]
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#[allow(non_camel_case_types, dead_code)]
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impl #unfilled_impl_generics ::fayalite::__std::default::Default for #unfilled_ty
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#unfilled_where_clause
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{
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fn default() -> Self {
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#ident {
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#phantom_field_name: ::fayalite::__std::marker::PhantomData,
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#(#field_idents: ::fayalite::__std::default::Default::default(),)*
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}
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}
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}
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}
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.to_tokens(tokens);
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let filled_generics = self.builder_struct_generics(|_| BuilderFieldState::Filled);
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let filled_ty = self.builder_struct_ty(|_| BuilderFieldState::Filled);
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let (filled_impl_generics, _, filled_where_clause) = filled_generics.split_for_impl();
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let type_generics = self.generics.split_for_impl().1;
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quote_spanned! {self.ident.span()=>
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#[automatically_derived]
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#[allow(non_camel_case_types, dead_code)]
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impl #filled_impl_generics ::fayalite::expr::ToExpr for #filled_ty
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#filled_where_clause
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{
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type Type = #target #type_generics;
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fn to_expr(
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&self,
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) -> ::fayalite::expr::Expr<<Self as ::fayalite::expr::ToExpr>::Type> {
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let __ty = #target {
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#(#field_idents: ::fayalite::expr::Expr::ty(self.#field_idents),)*
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};
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let __field_values = [
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#(::fayalite::expr::Expr::canonical(self.#field_idents),)*
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];
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::fayalite::expr::ToExpr::to_expr(
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&::fayalite::expr::ops::BundleLiteral::new(
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__ty,
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::fayalite::intern::Intern::intern(&__field_values[..]),
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),
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)
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}
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}
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}
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.to_tokens(tokens);
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}
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}
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|
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impl ToTokens for ParsedBundle {
|
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fn to_tokens(&self, tokens: &mut TokenStream) {
|
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let Self {
|
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attrs,
|
|
options,
|
|
vis,
|
|
struct_token,
|
|
ident,
|
|
generics,
|
|
fields,
|
|
field_flips,
|
|
mask_type_ident,
|
|
mask_type_match_variant_ident,
|
|
mask_type_sim_value_ident,
|
|
match_variant_ident,
|
|
sim_value_ident,
|
|
builder_ident,
|
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mask_type_builder_ident,
|
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} = self;
|
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let span = ident.span();
|
|
let ItemOptions {
|
|
outline_generated: _,
|
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target,
|
|
custom_bounds: _,
|
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no_static,
|
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no_runtime_generics,
|
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cmp_eq,
|
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} = &options.body;
|
|
let target = get_target(target, ident);
|
|
let mut item_attrs = attrs.clone();
|
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item_attrs.push(common_derives(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
|
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.named
|
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.iter()
|
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.map(|ParsedField { ident, ty, .. }| {
|
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let ident = ident.as_ref().unwrap();
|
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let expr = ty.make_hdl_type_expr(context);
|
|
quote_spanned! {span=>
|
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#ident: #expr,
|
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}
|
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})
|
|
.collect();
|
|
parse_quote_spanned! {span=>
|
|
#target {
|
|
#(#fields)*
|
|
}
|
|
}
|
|
})
|
|
}
|
|
let mut wrapped_in_const = WrappedInConst::new(tokens, 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);
|
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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 { ty, .. } in &mut mask_type_fields.named {
|
|
*ty = parse_quote_spanned! {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(span),
|
|
parse_quote_spanned! {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.clone();
|
|
for Field { ty, .. } in &mut mask_type_match_variant_fields.named {
|
|
*ty = parse_quote_spanned! {span=>
|
|
::fayalite::expr::Expr<#ty>
|
|
};
|
|
}
|
|
ItemStruct {
|
|
attrs: vec![
|
|
common_derives(span),
|
|
parse_quote_spanned! {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 { ty, .. } in &mut match_variant_fields.named {
|
|
*ty = parse_quote_spanned! {span=>
|
|
::fayalite::expr::Expr<#ty>
|
|
};
|
|
}
|
|
ItemStruct {
|
|
attrs: vec![
|
|
common_derives(span),
|
|
parse_quote_spanned! {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 mut mask_type_sim_value_fields = mask_type_fields;
|
|
for Field { ty, .. } in &mut mask_type_sim_value_fields.named {
|
|
*ty = parse_quote_spanned! {span=>
|
|
::fayalite::sim::value::SimValue<#ty>
|
|
};
|
|
}
|
|
ItemStruct {
|
|
attrs: vec![
|
|
parse_quote_spanned! {span=>
|
|
#[::fayalite::__std::prelude::v1::derive(
|
|
::fayalite::__std::fmt::Debug,
|
|
::fayalite::__std::clone::Clone,
|
|
)]
|
|
},
|
|
parse_quote_spanned! {span=>
|
|
#[allow(non_camel_case_types, dead_code)]
|
|
},
|
|
],
|
|
vis: vis.clone(),
|
|
struct_token: *struct_token,
|
|
ident: mask_type_sim_value_ident.clone(),
|
|
generics: generics.into(),
|
|
fields: Fields::Named(mask_type_sim_value_fields),
|
|
semi_token: None,
|
|
}
|
|
.to_tokens(tokens);
|
|
let mut sim_value_fields = FieldsNamed::from(fields.clone());
|
|
for Field { ty, .. } in &mut sim_value_fields.named {
|
|
*ty = parse_quote_spanned! {span=>
|
|
::fayalite::sim::value::SimValue<#ty>
|
|
};
|
|
}
|
|
ItemStruct {
|
|
attrs: vec![
|
|
parse_quote_spanned! {span=>
|
|
#[::fayalite::__std::prelude::v1::derive(
|
|
::fayalite::__std::fmt::Debug,
|
|
::fayalite::__std::clone::Clone,
|
|
)]
|
|
},
|
|
parse_quote_spanned! {span=>
|
|
#[allow(non_camel_case_types, dead_code)]
|
|
},
|
|
],
|
|
vis: vis.clone(),
|
|
struct_token: *struct_token,
|
|
ident: sim_value_ident.clone(),
|
|
generics: generics.into(),
|
|
fields: Fields::Named(sim_value_fields),
|
|
semi_token: None,
|
|
}
|
|
.to_tokens(tokens);
|
|
let this_token = Ident::new("__this", span);
|
|
let fields_token = Ident::new("__fields", span);
|
|
let self_token = Token;
|
|
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! {span=>
|
|
#ident: ::fayalite::expr::Expr::field(#this_token, #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! {span=>
|
|
#ident: ::fayalite::ty::Type::mask_type(&#self_token.#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 not_flipped = flip.is_none().then(|| Token);
|
|
quote_spanned! {span=>
|
|
#ident: {
|
|
let ::fayalite::bundle::BundleField {
|
|
name: __name,
|
|
flipped: __flipped,
|
|
ty: __ty,
|
|
} = #fields_token[#index];
|
|
::fayalite::__std::assert_eq!(&*__name, #ident_str);
|
|
::fayalite::__std::assert!(#not_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! {span=>
|
|
::fayalite::bundle::BundleField {
|
|
name: ::fayalite::intern::Intern::intern(#ident_str),
|
|
flipped: #flipped,
|
|
ty: ::fayalite::ty::Type::canonical(&#self_token.#ident),
|
|
},
|
|
}
|
|
},
|
|
));
|
|
let sim_value_from_opaque_fields =
|
|
Vec::from_iter(fields.named().into_iter().map(|field| {
|
|
let ident: &Ident = field.ident().as_ref().unwrap();
|
|
quote_spanned! {span=>
|
|
#ident: v.field_from_opaque(),
|
|
}
|
|
}));
|
|
let sim_value_clone_from_opaque_fields =
|
|
Vec::from_iter(fields.named().into_iter().map(|field| {
|
|
let ident: &Ident = field.ident().as_ref().unwrap();
|
|
quote_spanned! {span=>
|
|
v.field_clone_from_opaque(&mut value.#ident);
|
|
}
|
|
}));
|
|
let sim_value_to_opaque_fields = Vec::from_iter(fields.named().into_iter().map(|field| {
|
|
let ident: &Ident = field.ident().as_ref().unwrap();
|
|
quote_spanned! {span=>
|
|
v.field(&value.#ident);
|
|
}
|
|
}));
|
|
let to_sim_value_fields = Vec::from_iter(fields.named().into_iter().map(|field| {
|
|
let ident: &Ident = field.ident().as_ref().unwrap();
|
|
quote_spanned! {span=>
|
|
#ident: ::fayalite::sim::value::SimValue::ty(&self.#ident),
|
|
}
|
|
}));
|
|
let fields_len = fields.named().into_iter().len();
|
|
quote_spanned! {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 SimValue = #mask_type_sim_value_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_token: ::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_token) -> <Self as ::fayalite::ty::Type>::MaskType {
|
|
*#self_token
|
|
}
|
|
fn canonical(&#self_token) -> ::fayalite::ty::CanonicalType {
|
|
::fayalite::ty::Type::canonical(&::fayalite::bundle::Bundle::new(::fayalite::bundle::BundleType::fields(#self_token)))
|
|
}
|
|
#[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_token = ::fayalite::bundle::BundleType::fields(&__bundle);
|
|
::fayalite::__std::assert_eq!(#fields_token.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()
|
|
}
|
|
fn sim_value_from_opaque(
|
|
&self,
|
|
opaque: ::fayalite::ty::OpaqueSimValueSlice<'_>,
|
|
) -> <Self as ::fayalite::ty::Type>::SimValue {
|
|
#![allow(unused_mut, unused_variables)]
|
|
let mut v = ::fayalite::bundle::BundleSimValueFromOpaque::new(*self, opaque);
|
|
#mask_type_sim_value_ident {
|
|
#(#sim_value_from_opaque_fields)*
|
|
}
|
|
}
|
|
fn sim_value_clone_from_opaque(
|
|
&self,
|
|
value: &mut <Self as ::fayalite::ty::Type>::SimValue,
|
|
opaque: ::fayalite::ty::OpaqueSimValueSlice<'_>,
|
|
) {
|
|
#![allow(unused_mut, unused_variables)]
|
|
let mut v = ::fayalite::bundle::BundleSimValueFromOpaque::new(*self, opaque);
|
|
#(#sim_value_clone_from_opaque_fields)*
|
|
}
|
|
fn sim_value_to_opaque<'__w>(
|
|
&self,
|
|
value: &<Self as ::fayalite::ty::Type>::SimValue,
|
|
writer: ::fayalite::ty::OpaqueSimValueWriter<'__w>,
|
|
) -> ::fayalite::ty::OpaqueSimValueWritten<'__w> {
|
|
#![allow(unused_mut, unused_variables)]
|
|
let mut v = ::fayalite::bundle::BundleSimValueToOpaque::new(*self, writer);
|
|
#(#sim_value_to_opaque_fields)*
|
|
v.finish()
|
|
}
|
|
}
|
|
#[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_token) -> ::fayalite::intern::Interned<[::fayalite::bundle::BundleField]> {
|
|
::fayalite::intern::Intern::intern(&[#(#fields_body_fields)*][..])
|
|
}
|
|
}
|
|
impl #impl_generics #mask_type_ident #type_generics
|
|
#where_clause
|
|
{
|
|
#vis fn __bundle_builder() -> #unfilled_mask_type_builder_ty {
|
|
::fayalite::__std::default::Default::default()
|
|
}
|
|
}
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::ty::TypeWithDeref for #mask_type_ident #type_generics
|
|
#where_clause
|
|
{
|
|
fn expr_deref(#this_token: &::fayalite::expr::Expr<Self>) -> &<Self as ::fayalite::ty::Type>::MatchVariant {
|
|
let #this_token = *#this_token;
|
|
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::sim::value::ToSimValue for #mask_type_sim_value_ident #type_generics
|
|
#where_clause
|
|
{
|
|
type Type = #mask_type_ident #type_generics;
|
|
|
|
fn to_sim_value(
|
|
&self,
|
|
) -> ::fayalite::sim::value::SimValue<
|
|
<Self as ::fayalite::sim::value::ToSimValue>::Type,
|
|
> {
|
|
let ty = #mask_type_ident {
|
|
#(#to_sim_value_fields)*
|
|
};
|
|
::fayalite::sim::value::SimValue::from_value(ty, ::fayalite::__std::clone::Clone::clone(self))
|
|
}
|
|
fn into_sim_value(
|
|
self,
|
|
) -> ::fayalite::sim::value::SimValue<
|
|
<Self as ::fayalite::sim::value::ToSimValue>::Type,
|
|
> {
|
|
let ty = #mask_type_ident {
|
|
#(#to_sim_value_fields)*
|
|
};
|
|
::fayalite::sim::value::SimValue::from_value(ty, self)
|
|
}
|
|
}
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::sim::value::ToSimValueWithType<#mask_type_ident #type_generics>
|
|
for #mask_type_sim_value_ident #type_generics
|
|
#where_clause
|
|
{
|
|
fn to_sim_value_with_type(
|
|
&self,
|
|
ty: #mask_type_ident #type_generics,
|
|
) -> ::fayalite::sim::value::SimValue<#mask_type_ident #type_generics> {
|
|
::fayalite::sim::value::SimValue::from_value(ty, ::fayalite::__std::clone::Clone::clone(self))
|
|
}
|
|
fn into_sim_value_with_type(
|
|
self,
|
|
ty: #mask_type_ident #type_generics,
|
|
) -> ::fayalite::sim::value::SimValue<#mask_type_ident #type_generics> {
|
|
::fayalite::sim::value::SimValue::from_value(ty, self)
|
|
}
|
|
}
|
|
#[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 SimValue = #sim_value_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_token: ::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_token) -> <Self as ::fayalite::ty::Type>::MaskType {
|
|
#mask_type_ident {
|
|
#(#mask_type_body_fields)*
|
|
}
|
|
}
|
|
fn canonical(&#self_token) -> ::fayalite::ty::CanonicalType {
|
|
::fayalite::ty::Type::canonical(&::fayalite::bundle::Bundle::new(::fayalite::bundle::BundleType::fields(#self_token)))
|
|
}
|
|
#[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_token = ::fayalite::bundle::BundleType::fields(&__bundle);
|
|
::fayalite::__std::assert_eq!(#fields_token.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()
|
|
}
|
|
fn sim_value_from_opaque(
|
|
&self,
|
|
opaque: ::fayalite::ty::OpaqueSimValueSlice<'_>,
|
|
) -> <Self as ::fayalite::ty::Type>::SimValue {
|
|
#![allow(unused_mut, unused_variables)]
|
|
let mut v = ::fayalite::bundle::BundleSimValueFromOpaque::new(*self, opaque);
|
|
#sim_value_ident {
|
|
#(#sim_value_from_opaque_fields)*
|
|
}
|
|
}
|
|
fn sim_value_clone_from_opaque(
|
|
&self,
|
|
value: &mut <Self as ::fayalite::ty::Type>::SimValue,
|
|
opaque: ::fayalite::ty::OpaqueSimValueSlice<'_>,
|
|
) {
|
|
#![allow(unused_mut, unused_variables)]
|
|
let mut v = ::fayalite::bundle::BundleSimValueFromOpaque::new(*self, opaque);
|
|
#(#sim_value_clone_from_opaque_fields)*
|
|
}
|
|
fn sim_value_to_opaque<'__w>(
|
|
&self,
|
|
value: &<Self as ::fayalite::ty::Type>::SimValue,
|
|
writer: ::fayalite::ty::OpaqueSimValueWriter<'__w>,
|
|
) -> ::fayalite::ty::OpaqueSimValueWritten<'__w> {
|
|
#![allow(unused_mut, unused_variables)]
|
|
let mut v = ::fayalite::bundle::BundleSimValueToOpaque::new(*self, writer);
|
|
#(#sim_value_to_opaque_fields)*
|
|
v.finish()
|
|
}
|
|
}
|
|
#[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_token) -> ::fayalite::intern::Interned<[::fayalite::bundle::BundleField]> {
|
|
::fayalite::intern::Intern::intern(&[#(#fields_body_fields)*][..])
|
|
}
|
|
}
|
|
impl #impl_generics #target #type_generics
|
|
#where_clause
|
|
{
|
|
#vis fn __bundle_builder() -> #unfilled_builder_ty {
|
|
::fayalite::__std::default::Default::default()
|
|
}
|
|
}
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::ty::TypeWithDeref for #target #type_generics
|
|
#where_clause
|
|
{
|
|
fn expr_deref(#this_token: &::fayalite::expr::Expr<Self>) -> &<Self as ::fayalite::ty::Type>::MatchVariant {
|
|
let #this_token = *#this_token;
|
|
let __retval = #match_variant_ident {
|
|
#(#match_variant_body_fields)*
|
|
};
|
|
::fayalite::intern::Interned::into_inner(::fayalite::intern::Intern::intern_sized(__retval))
|
|
}
|
|
}
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::sim::value::ToSimValue for #sim_value_ident #type_generics
|
|
#where_clause
|
|
{
|
|
type Type = #target #type_generics;
|
|
|
|
fn to_sim_value(
|
|
&self,
|
|
) -> ::fayalite::sim::value::SimValue<
|
|
<Self as ::fayalite::sim::value::ToSimValue>::Type,
|
|
> {
|
|
let ty = #target {
|
|
#(#to_sim_value_fields)*
|
|
};
|
|
::fayalite::sim::value::SimValue::from_value(ty, ::fayalite::__std::clone::Clone::clone(self))
|
|
}
|
|
fn into_sim_value(
|
|
self,
|
|
) -> ::fayalite::sim::value::SimValue<
|
|
<Self as ::fayalite::sim::value::ToSimValue>::Type,
|
|
> {
|
|
let ty = #target {
|
|
#(#to_sim_value_fields)*
|
|
};
|
|
::fayalite::sim::value::SimValue::from_value(ty, self)
|
|
}
|
|
}
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::sim::value::ToSimValueWithType<#target #type_generics>
|
|
for #sim_value_ident #type_generics
|
|
#where_clause
|
|
{
|
|
fn to_sim_value_with_type(
|
|
&self,
|
|
ty: #target #type_generics,
|
|
) -> ::fayalite::sim::value::SimValue<#target #type_generics> {
|
|
::fayalite::sim::value::SimValue::from_value(ty, ::fayalite::__std::clone::Clone::clone(self))
|
|
}
|
|
fn into_sim_value_with_type(
|
|
self,
|
|
ty: #target #type_generics,
|
|
) -> ::fayalite::sim::value::SimValue<#target #type_generics> {
|
|
::fayalite::sim::value::SimValue::from_value(ty, self)
|
|
}
|
|
}
|
|
}
|
|
.to_tokens(tokens);
|
|
if let Some((cmp_eq,)) = cmp_eq {
|
|
let mut expr_where_clause =
|
|
Generics::from(generics)
|
|
.where_clause
|
|
.unwrap_or_else(|| syn::WhereClause {
|
|
where_token: Token,
|
|
predicates: Punctuated::new(),
|
|
});
|
|
let mut sim_value_where_clause = expr_where_clause.clone();
|
|
let mut fields_sim_value_eq = vec![];
|
|
let mut fields_cmp_eq = vec![];
|
|
let mut fields_cmp_ne = vec![];
|
|
for field in fields.named() {
|
|
let field_ident = field.ident();
|
|
let field_ty = field.ty();
|
|
expr_where_clause
|
|
.predicates
|
|
.push(parse_quote_spanned! {cmp_eq.span=>
|
|
#field_ty: ::fayalite::expr::ops::ExprPartialEq<#field_ty>
|
|
});
|
|
sim_value_where_clause
|
|
.predicates
|
|
.push(parse_quote_spanned! {cmp_eq.span=>
|
|
#field_ty: ::fayalite::sim::value::SimValuePartialEq<#field_ty>
|
|
});
|
|
fields_sim_value_eq.push(quote_spanned! {span=>
|
|
::fayalite::sim::value::SimValuePartialEq::sim_value_eq(&__lhs.#field_ident, &__rhs.#field_ident)
|
|
});
|
|
fields_cmp_eq.push(quote_spanned! {span=>
|
|
::fayalite::expr::ops::ExprPartialEq::cmp_eq(__lhs.#field_ident, __rhs.#field_ident)
|
|
});
|
|
fields_cmp_ne.push(quote_spanned! {span=>
|
|
::fayalite::expr::ops::ExprPartialEq::cmp_ne(__lhs.#field_ident, __rhs.#field_ident)
|
|
});
|
|
}
|
|
let sim_value_eq_body;
|
|
let cmp_eq_body;
|
|
let cmp_ne_body;
|
|
if fields_len == 0 {
|
|
sim_value_eq_body = quote_spanned! {span=>
|
|
true
|
|
};
|
|
cmp_eq_body = quote_spanned! {span=>
|
|
::fayalite::expr::ToExpr::to_expr(&true)
|
|
};
|
|
cmp_ne_body = quote_spanned! {span=>
|
|
::fayalite::expr::ToExpr::to_expr(&false)
|
|
};
|
|
} else {
|
|
sim_value_eq_body = quote_spanned! {span=>
|
|
#(#fields_sim_value_eq)&&*
|
|
};
|
|
cmp_eq_body = quote_spanned! {span=>
|
|
#(#fields_cmp_eq)&*
|
|
};
|
|
cmp_ne_body = quote_spanned! {span=>
|
|
#(#fields_cmp_ne)|*
|
|
};
|
|
};
|
|
quote_spanned! {span=>
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::expr::ops::ExprPartialEq<Self> for #target #type_generics
|
|
#expr_where_clause
|
|
{
|
|
fn cmp_eq(
|
|
__lhs: ::fayalite::expr::Expr<Self>,
|
|
__rhs: ::fayalite::expr::Expr<Self>,
|
|
) -> ::fayalite::expr::Expr<::fayalite::int::Bool> {
|
|
#cmp_eq_body
|
|
}
|
|
fn cmp_ne(
|
|
__lhs: ::fayalite::expr::Expr<Self>,
|
|
__rhs: ::fayalite::expr::Expr<Self>,
|
|
) -> ::fayalite::expr::Expr<::fayalite::int::Bool> {
|
|
#cmp_ne_body
|
|
}
|
|
}
|
|
#[automatically_derived]
|
|
impl #impl_generics ::fayalite::sim::value::SimValuePartialEq<Self> for #target #type_generics
|
|
#sim_value_where_clause
|
|
{
|
|
fn sim_value_eq(
|
|
__lhs: &::fayalite::sim::value::SimValue<Self>,
|
|
__rhs: &::fayalite::sim::value::SimValue<Self>,
|
|
) -> bool {
|
|
#sim_value_eq_body
|
|
}
|
|
}
|
|
}
|
|
.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! {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! {span=>
|
|
#ident: <#ty as ::fayalite::ty::StaticType>::MASK_TYPE,
|
|
}
|
|
}));
|
|
let type_properties = format_ident!("__type_properties", span = span);
|
|
let type_properties_fields = Vec::from_iter(fields.named().into_iter().zip(field_flips).map(|(field, field_flip)| {
|
|
let flipped = field_flip.is_some();
|
|
let ty = field.ty();
|
|
quote_spanned! {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 flipped = field_flip.is_some();
|
|
let ty = field.ty();
|
|
quote_spanned! {span=>
|
|
let #type_properties = #type_properties.field(#flipped, <#ty as ::fayalite::ty::StaticType>::MASK_TYPE_PROPERTIES);
|
|
}
|
|
}));
|
|
quote_spanned! {span=>
|
|
#[automatically_derived]
|
|
impl #static_impl_generics ::fayalite::__std::default::Default for #mask_type_ident #static_type_generics
|
|
#static_where_clause
|
|
{
|
|
fn default() -> Self {
|
|
<Self as ::fayalite::ty::StaticType>::TYPE
|
|
}
|
|
}
|
|
#[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::__std::default::Default
|
|
for #target #static_type_generics
|
|
#static_where_clause
|
|
{
|
|
fn default() -> Self {
|
|
<Self as ::fayalite::ty::StaticType>::TYPE
|
|
}
|
|
}
|
|
#[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)
|
|
}
|