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make fold.rs file

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This commit is contained in:
Jeong YunWon 2023-05-17 00:04:27 +09:00
parent 205ee80033
commit 9f834b4be1
3 changed files with 7 additions and 10 deletions
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1
ast/asdl_rs.py
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@ -644,7 +644,6 @@ class FoldImplVisitor(EmitVisitor):
class FoldModuleVisitor(EmitVisitor): class FoldModuleVisitor(EmitVisitor):
def visitModule(self, mod): def visitModule(self, mod):
depth = 0 depth = 0
self.emit("use crate::fold_helpers::Foldable;", depth)
FoldTraitDefVisitor(self.file, self.type_info).visit(mod, depth) FoldTraitDefVisitor(self.file, self.type_info).visit(mod, depth)
FoldImplVisitor(self.file, self.type_info).visit(mod, depth) FoldImplVisitor(self.file, self.type_info).visit(mod, depth)

8
ast/src/fold_helpers.rs → ast/src/fold.rs
View file

@ -1,4 +1,6 @@
use crate::{builtin, fold::Fold, ConversionFlag}; use super::generic::*;
use crate::{builtin, ConversionFlag};
pub trait Foldable<T, U> { pub trait Foldable<T, U> {
type Mapped; type Mapped;
@ -49,7 +51,7 @@ where
macro_rules! simple_fold { macro_rules! simple_fold {
($($t:ty),+$(,)?) => { ($($t:ty),+$(,)?) => {
$(impl<T, U> $crate::fold_helpers::Foldable<T, U> for $t { $(impl<T, U> $crate::fold::Foldable<T, U> for $t {
type Mapped = Self; type Mapped = Self;
#[inline] #[inline]
fn fold<F: Fold<T, TargetU = U> + ?Sized>( fn fold<F: Fold<T, TargetU = U> + ?Sized>(
@ -70,3 +72,5 @@ simple_fold!(
ConversionFlag, ConversionFlag,
builtin::Constant builtin::Constant
); );
include!("gen/fold.rs");

8
ast/src/lib.rs
View file

@ -16,13 +16,7 @@ pub trait Node {
} }
#[cfg(feature = "fold")] #[cfg(feature = "fold")]
mod fold_helpers; pub mod fold;
#[cfg(feature = "fold")]
pub mod fold {
use super::generic::*;
include!("gen/fold.rs");
}
#[cfg(feature = "fold")] #[cfg(feature = "fold")]
pub use fold::Fold; pub use fold::Fold;