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Generate better function argument names in global_allocator expansion

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This commit is contained in:
David Tolnay 2023-08-06 07:20:31 -07:00
parent bc720ad36b
commit 704aa56ba0
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5 changed files with 37 additions and 30 deletions
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22
compiler/rustc_ast/src/expand/allocator.rs
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@ -33,29 +33,41 @@ pub enum AllocatorTy {
pub struct AllocatorMethod {
pub name: Symbol,
pub inputs: &'static [AllocatorTy],
pub inputs: &'static [AllocatorMethodInput],
pub output: AllocatorTy,
}
pub struct AllocatorMethodInput {
pub name: &'static str,
pub ty: AllocatorTy,
}
pub static ALLOCATOR_METHODS: &[AllocatorMethod] = &[
AllocatorMethod {
name: sym::alloc,
inputs: &[AllocatorTy::Layout],
inputs: &[AllocatorMethodInput { name: "layout", ty: AllocatorTy::Layout }],
output: AllocatorTy::ResultPtr,
},
AllocatorMethod {
name: sym::dealloc,
inputs: &[AllocatorTy::Ptr, AllocatorTy::Layout],
inputs: &[
AllocatorMethodInput { name: "ptr", ty: AllocatorTy::Ptr },
AllocatorMethodInput { name: "layout", ty: AllocatorTy::Layout },
],
output: AllocatorTy::Unit,
},
AllocatorMethod {
name: sym::realloc,
inputs: &[AllocatorTy::Ptr, AllocatorTy::Layout, AllocatorTy::Usize],
inputs: &[
AllocatorMethodInput { name: "ptr", ty: AllocatorTy::Ptr },
AllocatorMethodInput { name: "layout", ty: AllocatorTy::Layout },
AllocatorMethodInput { name: "new_size", ty: AllocatorTy::Usize },
],
output: AllocatorTy::ResultPtr,
},
AllocatorMethod {
name: sym::alloc_zeroed,
inputs: &[AllocatorTy::Layout],
inputs: &[AllocatorMethodInput { name: "layout", ty: AllocatorTy::Layout }],
output: AllocatorTy::ResultPtr,
},
];