diff options
| author | Mazdak Farrokhzad <twingoow@gmail.com> | 2019-10-16 10:59:30 +0200 |
|---|---|---|
| committer | Mazdak Farrokhzad <twingoow@gmail.com> | 2019-10-16 10:59:53 +0200 |
| commit | d420d719c4c44c3c6d02b5fafba4f2cf5e837dba (patch) | |
| tree | 5f5586264bf0a019ea09a20f0526337913a00b03 /src/libsyntax/ext/allocator.rs | |
| parent | d160a4e4225eb5e310554316cba78efb2cbe6fa2 (diff) | |
| download | rust-d420d719c4c44c3c6d02b5fafba4f2cf5e837dba.tar.gz rust-d420d719c4c44c3c6d02b5fafba4f2cf5e837dba.zip | |
move syntax::ext to new crate syntax_expand
Diffstat (limited to 'src/libsyntax/ext/allocator.rs')
| -rw-r--r-- | src/libsyntax/ext/allocator.rs | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/libsyntax/ext/allocator.rs b/src/libsyntax/ext/allocator.rs deleted file mode 100644 index 99aeb5414c5..00000000000 --- a/src/libsyntax/ext/allocator.rs +++ /dev/null @@ -1,75 +0,0 @@ -use crate::{ast, attr, visit}; -use crate::symbol::{sym, Symbol}; -use syntax_pos::Span; - -#[derive(Clone, Copy)] -pub enum AllocatorKind { - Global, - DefaultLib, - DefaultExe, -} - -impl AllocatorKind { - pub fn fn_name(&self, base: &str) -> String { - match *self { - AllocatorKind::Global => format!("__rg_{}", base), - AllocatorKind::DefaultLib => format!("__rdl_{}", base), - AllocatorKind::DefaultExe => format!("__rde_{}", base), - } - } -} - -pub enum AllocatorTy { - Layout, - Ptr, - ResultPtr, - Unit, - Usize, -} - -pub struct AllocatorMethod { - pub name: &'static str, - pub inputs: &'static [AllocatorTy], - pub output: AllocatorTy, -} - -pub static ALLOCATOR_METHODS: &[AllocatorMethod] = &[ - AllocatorMethod { - name: "alloc", - inputs: &[AllocatorTy::Layout], - output: AllocatorTy::ResultPtr, - }, - AllocatorMethod { - name: "dealloc", - inputs: &[AllocatorTy::Ptr, AllocatorTy::Layout], - output: AllocatorTy::Unit, - }, - AllocatorMethod { - name: "realloc", - inputs: &[AllocatorTy::Ptr, AllocatorTy::Layout, AllocatorTy::Usize], - output: AllocatorTy::ResultPtr, - }, - AllocatorMethod { - name: "alloc_zeroed", - inputs: &[AllocatorTy::Layout], - output: AllocatorTy::ResultPtr, - }, -]; - -pub fn global_allocator_spans(krate: &ast::Crate) -> Vec<Span> { - struct Finder { name: Symbol, spans: Vec<Span> } - impl<'ast> visit::Visitor<'ast> for Finder { - fn visit_item(&mut self, item: &'ast ast::Item) { - if item.ident.name == self.name && - attr::contains_name(&item.attrs, sym::rustc_std_internal_symbol) { - self.spans.push(item.span); - } - visit::walk_item(self, item) - } - } - - let name = Symbol::intern(&AllocatorKind::Global.fn_name("alloc")); - let mut f = Finder { name, spans: Vec::new() }; - visit::walk_crate(&mut f, krate); - f.spans -} |
