diff options
Diffstat (limited to 'src/libsyntax/parse/token.rs')
| -rw-r--r-- | src/libsyntax/parse/token.rs | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs index aa2c9ab3a5e..5c719af41cd 100644 --- a/src/libsyntax/parse/token.rs +++ b/src/libsyntax/parse/token.rs @@ -362,10 +362,11 @@ fn mk_fake_ident_interner() -> ident_interner { /** * All the valid words that have meaning in the Rust language. * - * Rust keywords are either 'contextual' or 'restricted'. Contextual - * keywords may be used as identifiers because their appearance in - * the grammar is unambiguous. Restricted keywords may not appear - * in positions that might otherwise contain _value identifiers_. + * Rust keywords are either 'contextual', 'restricted', or 'strict, Contextual + * keywords may be used as identifiers because their appearance in the grammar + * is unambiguous. Restricted keywords may not appear in positions that might + * otherwise contain _value identifiers_. Strict keywords may not appear as + * identifiers. */ fn keyword_table() -> hashmap<~str, ()> { let keywords = str_hash(); @@ -375,6 +376,9 @@ fn keyword_table() -> hashmap<~str, ()> { for restricted_keyword_table().each_key |word| { keywords.insert(word, ()); } + for strict_keyword_table().each_key |word| { + keywords.insert(word, ()); + } keywords } @@ -430,6 +434,17 @@ fn restricted_keyword_table() -> hashmap<~str, ()> { words } +/// Full keywords. May not appear anywhere else. +fn strict_keyword_table() -> hashmap<~str, ()> { + let words = str_hash(); + let keys = ~[ + ]; + for keys.each |word| { + words.insert(word, ()); + } + words +} + impl binop : cmp::Eq { pure fn eq(&&other: binop) -> bool { (self as uint) == (other as uint) |