3 #include "ctf-parser.h"
7 extern void setstring(const char *src);
10 %x comment_ml comment_sl string_lit char_const
11 INTEGER_SUFFIX [ \n\t]*(U|UL|ULL|LU|LLU|Ul|Ull|lU|llU|u|uL|uLL|Lu|LLu|ul|ull|lu|llu)
16 UCHARLOWERCASE \\u{HEXDIGIT}{4}
17 UCHARUPPERCASE \\U{HEXDIGIT}{8}
18 ID_NONDIGIT {NONDIGIT}|{UCHARLOWERCASE}|{UCHARUPPERCASE}
19 IDENTIFIER {ID_NONDIGIT}({ID_NONDIGIT}|{DIGIT})*
20 ESCSEQ \\(\'|\"|\?|\\|a|b|f|n|r|t|v|{OCTALDIGIT}{1,3}|u{HEXDIGIT}{4}|U{HEXDIGIT}{8}|x{HEXDIGIT}+)
24 * Using start conditions to deal with comments
28 "/*" BEGIN(comment_ml);
29 <comment_ml>[^*\n]* /* eat anything that's not a '*' */
30 <comment_ml>"*"+[^*/\n]* /* eat up '*'s not followed by '/'s */
31 <comment_ml>\n ++yylineno;
32 <comment_ml>"*"+"/" BEGIN(INITIAL);
34 "//" BEGIN(comment_sl);
35 <comment_sl>[^\n]*\n ++yylineno; BEGIN(INITIAL);
37 L\' BEGIN(char_const); return CHARACTER_CONSTANT_START;
38 \' BEGIN(char_const); return CHARACTER_CONSTANT_START;
39 <char_const>\' BEGIN(INITIAL); return SQUOTE;
41 L\" BEGIN(string_lit); return STRING_LITERAL_START;
42 \" BEGIN(string_lit); return STRING_LITERAL_START;
43 <string_lit>\" BEGIN(INITIAL); return DQUOTE;
45 <char_const,string_lit>ESCSEQ return ESCSEQ;
46 <char_const,string_lit>\n ; /* ignore */
47 <char_const,string_lit>. return CHAR_STRING_TOKEN;
64 "..." return DOTDOTDOT;
73 floating_point return FLOATING_POINT;
75 integer return INTEGER;
84 typealias return TYPEALIAS;
85 typedef return TYPEDEF;
86 unsigned return UNSIGNED;
87 variant return VARIANT;
90 _Complex return _COMPLEX;
91 _Imaginary return _IMAGINARY;
92 [1-9]{DIGIT}*{INTEGER_SUFFIX}? return DECIMAL_CONSTANT;
93 0{OCTALDIGIT}*{INTEGER_SUFFIX}? return OCTAL_CONSTANT;
94 0[xX]{HEXDIGIT}+{INTEGER_SUFFIX}? return HEXADECIMAL_CONSTANT;
95 {IDENTIFIER} fprintf(stderr, "<IDENTIFIER %s>\n", yytext); setstring(yytext); if (is_type(yytext)) return ID_TYPE; else return IDENTIFIER;
96 [ \t\n]+ ; /* ignore */