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implement #[hdl] [a; N] -- an array repeat expression

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This commit is contained in:
Jacob Lifshay 2024-07-16 17:19:17 -07:00
parent d610858144
commit c2e5ea8e89
Signed by: programmerjake
SSH key fingerprint: SHA256:B1iRVvUJkvd7upMIiMqn6OyxvD2SgJkAH3ZnUOj6z+c
4 changed files with 51 additions and 2 deletions
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1
crates/fayalite-proc-macros-impl/src/fold.rs
View file

@ -221,6 +221,7 @@ forward_fold!(syn::ExprCall => fold_expr_call);
forward_fold!(syn::ExprIf => fold_expr_if);
forward_fold!(syn::ExprMatch => fold_expr_match);
forward_fold!(syn::ExprPath => fold_expr_path);
forward_fold!(syn::ExprRepeat => fold_expr_repeat);
forward_fold!(syn::ExprStruct => fold_expr_struct);
forward_fold!(syn::ExprTuple => fold_expr_tuple);
forward_fold!(syn::Ident => fold_ident);

1
crates/fayalite-proc-macros-impl/src/module/transform_body.rs
View file

@ -1515,6 +1515,7 @@ impl Fold for Visitor {
If => process_hdl_if,
Match => process_hdl_match,
Array => process_hdl_array,
Repeat => process_hdl_repeat,
Struct => process_hdl_struct,
Tuple => process_hdl_tuple,
Call => process_hdl_call,

16
crates/fayalite-proc-macros-impl/src/module/transform_body/expand_aggregate_literals.rs
View file

@ -9,8 +9,8 @@ use syn::{
punctuated::{Pair, Punctuated},
spanned::Spanned,
token::{Brace, Paren},
Attribute, Expr, ExprArray, ExprCall, ExprGroup, ExprPath, ExprStruct, ExprTuple, FieldValue,
Ident, Index, Member, Path, PathArguments, PathSegment, Token, TypePath,
Attribute, Expr, ExprArray, ExprCall, ExprGroup, ExprPath, ExprRepeat, ExprStruct, ExprTuple,
FieldValue, Ident, Index, Member, Path, PathArguments, PathSegment, Token, TypePath,
};
options! {
@ -351,6 +351,18 @@ impl Visitor {
}
parse_quote! {::fayalite::expr::ToExpr::to_expr(&#expr_array)}
}
pub(crate) fn process_hdl_repeat(
&mut self,
hdl_attr: HdlAttr<Nothing>,
mut expr_repeat: ExprRepeat,
) -> Expr {
self.require_normal_module(hdl_attr);
let repeated_value = &expr_repeat.expr;
*expr_repeat.expr = parse_quote_spanned! {repeated_value.span()=>
::fayalite::expr::ToExpr::to_expr(&(#repeated_value))
};
parse_quote! {::fayalite::expr::ToExpr::to_expr(&#expr_repeat)}
}
pub(crate) fn process_struct_enum(
&mut self,
hdl_attr: HdlAttr<AggregateLiteralOptions>,