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author | John Hodge <tpg@mutabah.net> | 2016-10-14 18:41:50 +0800 |
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committer | John Hodge <tpg@mutabah.net> | 2016-10-14 18:41:50 +0800 |
commit | 0b7fec11f46ee3fcbe3726855c89029ebff884cf (patch) | |
tree | aa1c061aecac5568e2ec97f309db4430b1ee2a91 /src/macro_rules/eval.cpp | |
parent | 4e8936fa55e0b68424fa1a7c51c0d4c78763c8a6 (diff) | |
download | mrust-0b7fec11f46ee3fcbe3726855c89029ebff884cf.tar.gz |
macro_rules! - Allow reserved words to match :ident
Diffstat (limited to 'src/macro_rules/eval.cpp')
-rw-r--r-- | src/macro_rules/eval.cpp | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/macro_rules/eval.cpp b/src/macro_rules/eval.cpp index d37f0279..3ccb6f6f 100644 --- a/src/macro_rules/eval.cpp +++ b/src/macro_rules/eval.cpp @@ -577,6 +577,13 @@ void Macro_InitDefaults() { } +namespace { + bool is_reserved_word(eTokenType tok) + { + return tok >= TOK_RWORD_PUB; + } +} + bool Macro_TryPatternCap(TokenStream& lex, MacroPatEnt::Type type) { switch(type) @@ -588,7 +595,7 @@ bool Macro_TryPatternCap(TokenStream& lex, MacroPatEnt::Type type) case MacroPatEnt::PAT_BLOCK: return LOOK_AHEAD(lex) == TOK_BRACE_OPEN || LOOK_AHEAD(lex) == TOK_INTERPOLATED_BLOCK; case MacroPatEnt::PAT_IDENT: - return LOOK_AHEAD(lex) == TOK_IDENT; + return LOOK_AHEAD(lex) == TOK_IDENT || is_reserved_word(LOOK_AHEAD(lex)); case MacroPatEnt::PAT_TT: switch(LOOK_AHEAD(lex)) { @@ -683,7 +690,12 @@ void Macro_HandlePatternCap(TokenStream& lex, unsigned int index, MacroPatEnt::T bound_tts.insert( index, iterations, InterpolatedFragment( Parse_Mod_Item_S(lex, cur_mod.m_file_info, cur_mod.path(), AST::MetaItems{}) ) ); } break; case MacroPatEnt::PAT_IDENT: - GET_CHECK_TOK(tok, lex, TOK_IDENT); + // TODO: Any reserved word is also valid as an ident + GET_TOK(tok, lex); + if( tok.type() == TOK_IDENT || is_reserved_word(tok.type()) ) + ; + else + CHECK_TOK(tok, TOK_IDENT); bound_tts.insert( index, iterations, InterpolatedFragment( TokenTree(tok) ) ); break; } |