3 #include "ctf-scanner.h"
4 #include "ctf-parser.h"
7 extern void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src);
9 #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, args)
10 #define printf_dbg_noarg(fmt) fprintf(stderr, "%s: " fmt, __func__)
14 %x comment_ml comment_sl string_lit char_const
15 %option reentrant yylineno noyywrap bison-bridge
16 %option extra-type="struct ctf_scanner *"
18 INTEGER_SUFFIX [ \n\t]*(U|UL|ULL|LU|LLU|Ul|Ull|lU|llU|u|uL|uLL|Lu|LLu|ul|ull|lu|llu)
23 UCHARLOWERCASE \\u{HEXDIGIT}{4}
24 UCHARUPPERCASE \\U{HEXDIGIT}{8}
25 ID_NONDIGIT {NONDIGIT}|{UCHARLOWERCASE}|{UCHARUPPERCASE}
26 IDENTIFIER {ID_NONDIGIT}({ID_NONDIGIT}|{DIGIT})*
27 ESCSEQ \\(\'|\"|\?|\\|a|b|f|n|r|t|v|{OCTALDIGIT}{1,3}|u{HEXDIGIT}{4}|U{HEXDIGIT}{8}|x{HEXDIGIT}+)
31 * Using start conditions to deal with comments
35 "/*" BEGIN(comment_ml);
36 <comment_ml>[^*\n]* /* eat anything that's not a '*' */
37 <comment_ml>"*"+[^*/\n]* /* eat up '*'s not followed by '/'s */
38 <comment_ml>\n ++yylineno;
39 <comment_ml>"*"+"/" BEGIN(INITIAL);
41 "//" BEGIN(comment_sl);
42 <comment_sl>[^\n]*\n ++yylineno; BEGIN(INITIAL);
44 L\' BEGIN(char_const); return CHARACTER_CONSTANT_START;
45 \' BEGIN(char_const); return CHARACTER_CONSTANT_START;
46 <char_const>\' BEGIN(INITIAL); return SQUOTE;
48 L\" BEGIN(string_lit); return STRING_LITERAL_START;
49 \" BEGIN(string_lit); return STRING_LITERAL_START;
50 <string_lit>\" BEGIN(INITIAL); return DQUOTE;
52 <char_const,string_lit>ESCSEQ return ESCSEQ;
53 <char_const,string_lit>\n ; /* ignore */
54 <char_const,string_lit>. return CHAR_STRING_TOKEN;
71 "..." return DOTDOTDOT;
80 floating_point return FLOATING_POINT;
82 integer return INTEGER;
91 typealias return TYPEALIAS;
92 typedef return TYPEDEF;
93 unsigned return UNSIGNED;
94 variant return VARIANT;
97 _Complex return _COMPLEX;
98 _Imaginary return _IMAGINARY;
99 [1-9]{DIGIT}*{INTEGER_SUFFIX}? return DECIMAL_CONSTANT;
100 0{OCTALDIGIT}*{INTEGER_SUFFIX}? return OCTAL_CONSTANT;
101 0[xX]{HEXDIGIT}+{INTEGER_SUFFIX}? return HEXADECIMAL_CONSTANT;
102 {IDENTIFIER} printf_dbg("<IDENTIFIER %s>\n", yytext); setstring(yyextra, yylval, yytext); if (is_type(yyextra, yytext)) return ID_TYPE; else return IDENTIFIER;
103 [ \t\n]+ ; /* ignore */