diff options
Diffstat (limited to 'c_parser/src/c_lexer.flex')
| -rw-r--r-- | c_parser/src/c_lexer.flex | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/c_parser/src/c_lexer.flex b/c_parser/src/c_lexer.flex index 32ef4fb..63366cb 100644 --- a/c_parser/src/c_lexer.flex +++ b/c_parser/src/c_lexer.flex @@ -14,6 +14,8 @@ IDENTIFIER [_a-zA-Z][_a-zA-Z0-9]* OPERATOR [.][.][.]|[<>][<>][=]|[-][-]|[+][+]|[|][|]|[#][#]|[&][&]|[+\-*\/<>=!%^|&][=]|[<][<]|[->][>]|[<>&=+\/\-*(){}\[\]\.,%~!?:|^;] +ASSIGNMENT_OPERATOR (([<>][<>]|[*\/%+\-&^|])[=]|[=]) + FRACTIONALCONSTANT (([0-9]*\.[0-9]+)|([0-9]+\.)) EXPONENTPART ([eE][+-]?[0-9]+) @@ -41,21 +43,48 @@ void|char|short|int|long|float|double|signed|unsigned { return T_TYPE_SPEC const|volatile { return T_TYPE_QUAL; } [;] { return T_SC; } -[=] { return T_EQ; } -[=][=] { return T_EQUALITY; } [,] { return T_CMA; } [(] { return T_LRB; } [)] { return T_RRB; } [{] { return T_LCB; } [}] { return T_RCB; } +[[] { return T_LSB; } +[]] { return T_RSB; } +[?] { return T_QU; } +[:] { return T_COL; } +[|][|] { return T_LOG_OR; } +[&][&] { return T_LOG_AND; } +[|] { return T_OR; } +[\^] { return T_XOR; } +[&] { return T_AND; } +[=][=] { return T_EQUALITY_OP; } +[!][=] { return T_EQUALITY_OP; } +([<>][=])|[<>] { return T_REL_OP; } +[<>][<>] { return T_SHIFT_OP; } +[*] { return T_MULT; } +[\/] { return T_DIV; } +[%] { return T_REM; } +[~] { return T_TILDE; } +[!] { return T_NOT; } +[.] { return T_DOT; } +[-][>] { return T_ARROW; } +[+-][+-] { return T_INCDEC; } +[+-] { return T_ADDSUB_OP; } +[=] { return T_EQ; } + +{ASSIGNMENT_OPERATOR} { return T_ASSIGN_OPER; } if { return T_IF; } else { return T_ELSE; } return { return T_RETURN; } +while { return T_WHILE; } +do { return T_DO; } +for { return T_FOR; } +sizeof { return T_SIZEOF; } {IDENTIFIER} { yylval.string = new std::string(yytext); return T_IDENTIFIER; } -({HEXCONSTANT}|{OCTALCONSTANT}|{DECIMALCONSTANT}){INTEGERSUFFIX}? { return T_INT_CONST; } +({HEXCONSTANT}|{OCTALCONSTANT}|{DECIMALCONSTANT}){INTEGERSUFFIX}? { yylval.number = strtol(yytext, NULL, 0); return T_INT_CONST; } {WHITESPACE} { ; } |