diff options
Diffstat (limited to 'src/wasm-ast-lexer.c')
| -rw-r--r-- | src/wasm-ast-lexer.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/wasm-ast-lexer.c b/src/wasm-ast-lexer.c index af42ed44..508a05fc 100644 --- a/src/wasm-ast-lexer.c +++ b/src/wasm-ast-lexer.c @@ -201,15 +201,16 @@ int wasm_ast_lexer_lex(WASM_AST_PARSER_STYPE* lval, tick = "`"; escape = [nt\\'"]; character = [^"\\\x00-\x1f\x7f] | "\\" escape | "\\" hexdigit hexdigit; - sign = [+-]?; - num = sign digit+; - hexnum = sign "0x" hexdigit+; - int = num | hexnum; - float0 = num "." digit*; - float1 = num ("." digit*)? [eE] num; - hexfloat = sign "0x" hexdigit+ "."? hexdigit* "p" sign digit+; - infinity = sign "infinity"; - nan = sign "nan" | sign "nan:0x" hexdigit+; + sign = [+-]; + num = digit+; + hexnum = "0x" hexdigit+; + nat = num | hexnum; + int = sign nat; + float0 = sign? num "." digit*; + float1 = sign? num ("." digit*)? [eE] sign? num; + hexfloat = sign? "0x" hexdigit+ "."? hexdigit* "p" sign? digit+; + infinity = sign? ("inf" | "infinity"); + nan = sign? "nan" | sign? "nan:0x" hexdigit+; float = float0 | float1; text = '"' character* '"'; atom = (letter | digit | "_" | tick | symbol)+; @@ -218,6 +219,7 @@ int wasm_ast_lexer_lex(WASM_AST_PARSER_STYPE* lval, <i> "(" { RETURN(LPAR); } <i> ")" { RETURN(RPAR); } + <i> nat { LITERAL(INT); RETURN(NAT); } <i> int { LITERAL(INT); RETURN(INT); } <i> float { LITERAL(FLOAT); RETURN(FLOAT); } <i> hexfloat { LITERAL(HEXFLOAT); RETURN(FLOAT); } |