Fix -Wmissing-prototypes/-Wmissing-declarations warnings
[babeltrace.git] / src / plugins / ctf / common / metadata / lexer.l
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1%{
2/*
06a626b8 3 * lexer.l
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4 *
5 * Common Trace Formal Lexer
6 *
7 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 */
27
0746848c 28#define BT_LOG_OUTPUT_LEVEL ctf_plugin_metadata_log_level
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29#define BT_LOG_TAG "PLUGIN-CTF-METADATA-LEXER"
30#include "logging.h"
31
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32#include <stdio.h>
33#include <ctype.h>
06a626b8 34#include "scanner.h"
9103e903 35#include "parser-wrap.h"
06a626b8 36#include "ast.h"
e98a2d6e 37
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38#define YY_FATAL_ERROR(_msg) BT_LOGF_STR(_msg)
39
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40#define PARSE_INTEGER_LITERAL(base) \
41 do { \
42 errno = 0; \
43 yylval->ull = strtoull(yytext, NULL, base); \
44 if (errno) { \
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45 _BT_LOGE_LINENO(yylineno, \
46 "Cannot parser constant integer: " \
47 "base=%d, text=\"%s\"", base, yytext); \
48 return CTF_ERROR; \
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49 } \
50 } while (0)
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51%}
52
53%x comment_ml comment_sl string_lit char_const
54%option reentrant yylineno noyywrap bison-bridge
55%option extra-type="struct ctf_scanner *"
56 /* bison-locations */
57INTEGER_SUFFIX (U|UL|ULL|LU|LLU|Ul|Ull|lU|llU|u|uL|uLL|Lu|LLu|ul|ull|lu|llu)
58DIGIT [0-9]
59NONDIGIT [a-zA-Z_]
60HEXDIGIT [0-9A-Fa-f]
61OCTALDIGIT [0-7]
62UCHARLOWERCASE \\u{HEXDIGIT}{4}
63UCHARUPPERCASE \\U{HEXDIGIT}{8}
64ID_NONDIGIT {NONDIGIT}|{UCHARLOWERCASE}|{UCHARUPPERCASE}
65IDENTIFIER {ID_NONDIGIT}({ID_NONDIGIT}|{DIGIT})*
66%%
67
68 /*
69 * Using start conditions to deal with comments
70 * and strings.
f73367f8 71 */
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72
73"/*" BEGIN(comment_ml);
74<comment_ml>[^*\n]* /* eat anything that's not a '*' */
75<comment_ml>"*"+[^*/\n]* /* eat up '*'s not followed by '/'s */
76<comment_ml>\n
77<comment_ml>"*"+"/" BEGIN(INITIAL);
78
79"//"[^\n]*\n /* skip comment */
80
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81L?\"(\\.|[^\\"])*\" { if (import_string(yyextra, yylval, yytext, '\"') < 0) return CTF_ERROR; else return CTF_STRING_LITERAL; }
82L?\'(\\.|[^\\'])*\' { if (import_string(yyextra, yylval, yytext, '\'') < 0) return CTF_ERROR; else return CTF_CHARACTER_LITERAL; }
e98a2d6e 83
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84"[" return CTF_LSBRAC;
85"]" return CTF_RSBRAC;
86"(" return CTF_LPAREN;
87")" return CTF_RPAREN;
88"{" return CTF_LBRAC;
89"}" return CTF_RBRAC;
90"->" return CTF_RARROW;
91"*" return CTF_STAR;
92"+" return CTF_PLUS;
93"-" return CTF_MINUS;
94"<" return CTF_LT;
95">" return CTF_GT;
96:= return CTF_TYPEASSIGN;
97: return CTF_COLON;
98; return CTF_SEMICOLON;
99"..." return CTF_DOTDOTDOT;
100"." return CTF_DOT;
101= return CTF_EQUAL;
102"," return CTF_COMMA;
103align setstring(yyextra, yylval, yytext); return CTF_TOK_ALIGN;
104const setstring(yyextra, yylval, yytext); return CTF_CONST;
105char setstring(yyextra, yylval, yytext); return CTF_CHAR;
106clock setstring(yyextra, yylval, yytext); return CTF_CLOCK;
107double setstring(yyextra, yylval, yytext); return CTF_DOUBLE;
108enum setstring(yyextra, yylval, yytext); return CTF_ENUM;
109env setstring(yyextra, yylval, yytext); return CTF_ENV;
110event setstring(yyextra, yylval, yytext); return CTF_EVENT;
111floating_point setstring(yyextra, yylval, yytext); return CTF_FLOATING_POINT;
112float setstring(yyextra, yylval, yytext); return CTF_FLOAT;
113integer setstring(yyextra, yylval, yytext); return CTF_INTEGER;
114int setstring(yyextra, yylval, yytext); return CTF_INT;
115long setstring(yyextra, yylval, yytext); return CTF_LONG;
116short setstring(yyextra, yylval, yytext); return CTF_SHORT;
117signed setstring(yyextra, yylval, yytext); return CTF_SIGNED;
118stream setstring(yyextra, yylval, yytext); return CTF_STREAM;
119string setstring(yyextra, yylval, yytext); return CTF_STRING;
120struct setstring(yyextra, yylval, yytext); return CTF_STRUCT;
121trace setstring(yyextra, yylval, yytext); return CTF_TRACE;
122callsite setstring(yyextra, yylval, yytext); return CTF_CALLSITE;
123typealias setstring(yyextra, yylval, yytext); return CTF_TYPEALIAS;
124typedef setstring(yyextra, yylval, yytext); return CTF_TYPEDEF;
125unsigned setstring(yyextra, yylval, yytext); return CTF_UNSIGNED;
126variant setstring(yyextra, yylval, yytext); return CTF_VARIANT;
127void setstring(yyextra, yylval, yytext); return CTF_VOID;
128_Bool setstring(yyextra, yylval, yytext); return CTF_BOOL;
129_Complex setstring(yyextra, yylval, yytext); return CTF_COMPLEX;
130_Imaginary setstring(yyextra, yylval, yytext); return CTF_IMAGINARY;
131[1-9]{DIGIT}*{INTEGER_SUFFIX}? PARSE_INTEGER_LITERAL(10); return CTF_INTEGER_LITERAL;
1320{OCTALDIGIT}*{INTEGER_SUFFIX}? PARSE_INTEGER_LITERAL(8); return CTF_INTEGER_LITERAL;
1330[xX]{HEXDIGIT}+{INTEGER_SUFFIX}? PARSE_INTEGER_LITERAL(16); return CTF_INTEGER_LITERAL;
e98a2d6e 134
ef267d12 135{IDENTIFIER} BT_LOGT("Got identifier: id=\"%s\"", yytext); setstring(yyextra, yylval, yytext); if (is_type(yyextra, yytext)) return ID_TYPE; else return IDENTIFIER;
e98a2d6e 136[ \t\r\n] ; /* ignore */
f73367f8 137. _BT_LOGE_LINENO(yylineno, "Invalid character: char=\"%c\", val=0x%02x", isprint(yytext[0]) ? yytext[0] : '\0', yytext[0]); return CTF_ERROR;
e98a2d6e 138%%
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