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allow interner cache to be shared across parsers (#3699)

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This commit is contained in:
Erick Tryzelaar 2012-10-08 10:41:02 -07:00
parent bbda995bfe
commit 1ac75d2269
1 changed files with 26 additions and 21 deletions
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47
src/libsyntax/parse/token.rs
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@ -343,28 +343,33 @@ macro_rules! interner_key (
)
fn mk_ident_interner() -> @ident_interner {
/* the indices here must correspond to the numbers in special_idents */
let init_vec = ~[@~"_", @~"anon", @~"drop", @~"", @~"unary", @~"!",
@~"[]", @~"unary-", @~"__extensions__", @~"self",
@~"item", @~"block", @~"stmt", @~"pat", @~"expr",
@~"ty", @~"ident", @~"path", @~"tt", @~"matchers",
@~"str", @~"TyVisitor", @~"arg", @~"descrim",
@~"__rust_abi", @~"__rust_stack_shim", @~"TyDesc",
@~"dtor", @~"main", @~"<opaque>", @~"blk", @~"static",
@~"intrinsic", @~"__foreign_mod__"];
let rv = @ident_interner {
interner: interner::mk_prefill::<@~str>(init_vec)
};
/* having multiple interners will just confuse the serializer */
unsafe {
assert task::local_data::local_data_get(interner_key!()).is_none()
};
unsafe {
task::local_data::local_data_set(interner_key!(), @rv)
};
rv
match task::local_data::local_data_get(interner_key!()) {
Some(interner) => *interner,
None => {
// the indices here must correspond to the numbers in
// special_idents.
let init_vec = ~[
@~"_", @~"anon", @~"drop", @~"", @~"unary", @~"!",
@~"[]", @~"unary-", @~"__extensions__", @~"self",
@~"item", @~"block", @~"stmt", @~"pat", @~"expr",
@~"ty", @~"ident", @~"path", @~"tt", @~"matchers",
@~"str", @~"TyVisitor", @~"arg", @~"descrim",
@~"__rust_abi", @~"__rust_stack_shim", @~"TyDesc",
@~"dtor", @~"main", @~"<opaque>", @~"blk", @~"static",
@~"intrinsic", @~"__foreign_mod__"
];
let rv = @ident_interner {
interner: interner::mk_prefill(init_vec)
};
task::local_data::local_data_set(interner_key!(), @rv);
rv
}
}
}
}
/* for when we don't care about the contents; doesn't interact with TLD or