Commit | Line | Data |
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8b9d5b5e MD |
1 | %{ |
2 | #include <stdio.h> | |
34d3acc4 | 3 | #include "ctf-scanner.h" |
8b9d5b5e MD |
4 | #include "ctf-parser.h" |
5 | #include "ctf-ast.h" | |
6 | ||
34d3acc4 MD |
7 | extern void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src); |
8 | ||
9 | #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, args) | |
10 | #define printf_dbg_noarg(fmt) fprintf(stderr, "%s: " fmt, __func__) | |
11 | ||
8b9d5b5e MD |
12 | %} |
13 | ||
14 | %x comment_ml comment_sl string_lit char_const | |
34d3acc4 MD |
15 | %option reentrant yylineno noyywrap bison-bridge |
16 | %option extra-type="struct ctf_scanner *" | |
17 | /* bison-locations */ | |
8b9d5b5e MD |
18 | INTEGER_SUFFIX [ \n\t]*(U|UL|ULL|LU|LLU|Ul|Ull|lU|llU|u|uL|uLL|Lu|LLu|ul|ull|lu|llu) |
19 | DIGIT [0-9] | |
20 | NONDIGIT [a-zA-Z_] | |
21 | HEXDIGIT [0-9A-Fa-f] | |
22 | OCTALDIGIT [0-7] | |
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}+) | |
28 | %% | |
29 | ||
30 | /* | |
31 | * Using start conditions to deal with comments | |
32 | * and strings. | |
33 | */ | |
34 | ||
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); | |
40 | ||
41 | "//" BEGIN(comment_sl); | |
42 | <comment_sl>[^\n]*\n ++yylineno; BEGIN(INITIAL); | |
43 | ||
44 | L\' BEGIN(char_const); return CHARACTER_CONSTANT_START; | |
45 | \' BEGIN(char_const); return CHARACTER_CONSTANT_START; | |
46 | <char_const>\' BEGIN(INITIAL); return SQUOTE; | |
47 | ||
48 | L\" BEGIN(string_lit); return STRING_LITERAL_START; | |
49 | \" BEGIN(string_lit); return STRING_LITERAL_START; | |
50 | <string_lit>\" BEGIN(INITIAL); return DQUOTE; | |
51 | ||
52 | <char_const,string_lit>ESCSEQ return ESCSEQ; | |
53 | <char_const,string_lit>\n ; /* ignore */ | |
54 | <char_const,string_lit>. return CHAR_STRING_TOKEN; | |
55 | ||
56 | "[" return LSBRAC; | |
57 | "]" return RSBRAC; | |
58 | "(" return LPAREN; | |
59 | ")" return RPAREN; | |
60 | "{" return LBRAC; | |
61 | "}" return RBRAC; | |
62 | "->" return RARROW; | |
63 | "*" return STAR; | |
64 | "+" return PLUS; | |
65 | "-" return MINUS; | |
66 | "<" return LT; | |
67 | ">" return GT; | |
68 | := return TYPEASSIGN; | |
69 | : return COLON; | |
70 | ; return SEMICOLON; | |
71 | "..." return DOTDOTDOT; | |
72 | "." return DOT; | |
73 | = return EQUAL; | |
74 | "," return COMMA; | |
75 | const return CONST; | |
76 | char return CHAR; | |
77 | double return DOUBLE; | |
78 | enum return ENUM; | |
79 | event return EVENT; | |
80 | floating_point return FLOATING_POINT; | |
81 | float return FLOAT; | |
82 | integer return INTEGER; | |
83 | int return INT; | |
84 | long return LONG; | |
85 | short return SHORT; | |
86 | signed return SIGNED; | |
87 | stream return STREAM; | |
88 | string return STRING; | |
89 | struct return STRUCT; | |
90 | trace return TRACE; | |
91 | typealias return TYPEALIAS; | |
92 | typedef return TYPEDEF; | |
93 | unsigned return UNSIGNED; | |
94 | variant return VARIANT; | |
95 | void return VOID; | |
96 | _Bool return _BOOL; | |
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; | |
34d3acc4 | 102 | {IDENTIFIER} printf_dbg("<IDENTIFIER %s>\n", yytext); setstring(yyextra, yylval, yytext); if (is_type(yyextra, yytext)) return ID_TYPE; else return IDENTIFIER; |
8b9d5b5e MD |
103 | [ \t\n]+ ; /* ignore */ |
104 | . return ERROR; | |
105 | %% |