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intern identifiers

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This commit is contained in:
Paul Stansifer
2012-07-18 16:18:02 -07:00
parent 7317bf8792
commit 1153b5dcc8
94 changed files with 1667 additions and 1469 deletions
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10
src/libsyntax/ast_util.rs
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@@ -21,13 +21,14 @@ pure fn mk_sp(lo: uint, hi: uint) -> span {
// make this a const, once the compiler supports it
pure fn dummy_sp() -> span { return mk_sp(0u, 0u); }
pure fn path_name(p: @path) -> ~str { path_name_i(p.idents) }
pure fn path_name_i(idents: ~[ident]) -> ~str {
pure fn path_name_i(idents: ~[ident], intr: token::ident_interner) -> ~str {
// FIXME: Bad copies (#2543 -- same for everything else that says "bad")
str::connect(idents.map(|i|*i), ~"::")
str::connect(idents.map(|i| *intr.get(i)), ~"::")
}
pure fn path_to_ident(p: @path) -> ident { vec::last(p.idents) }
pure fn local_def(id: node_id) -> def_id { {crate: local_crate, node: id} }
@@ -408,7 +409,8 @@ fn dtor_dec() -> fn_decl {
let nil_t = @{id: 0, node: ty_nil, span: dummy_sp()};
// dtor has one argument, of type ()
{inputs: ~[{mode: ast::expl(ast::by_ref),
ty: nil_t, ident: @~"_", id: 0}],
ty: nil_t, ident: parse::token::special_idents::underscore,
id: 0}],
output: nil_t, purity: impure_fn, cf: return_val}
}