]> git.saurik.com Git - bison.git/blame - src/scan-skel.l
* lib/hash.h (__P): Added definition for this macro.
[bison.git] / src / scan-skel.l
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1 /* -*- C -*- */
2/* Scan Bison Skeletons.
3 Copyright (C) 2001 Free Software Foundation, Inc.
4
5 This file is part of Bison, the GNU Compiler Compiler.
6
7 Bison is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 Bison is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
9b3add5b 16
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17 You should have received a copy of the GNU General Public License
18 along with Bison; see the file COPYING. If not, write to the Free
19 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 02111-1307, USA. */
9b3add5b 21
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22%option debug nodefault noyywrap nounput
23%option prefix="skel_" outfile="lex.yy.c"
9b3add5b 24
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25/* If we enable
26
27 %option yylineno
28
29 Then we have warning: `yy_flex_realloc' defined but not used.
30 Seems like a Flex bug to me: Why the heck yylineno would trigger
31 the REJECT exception??? */
9b3add5b 32
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33%{
34#include "system.h"
35#include "skeleton.h"
36#include "parse-skel.h"
37%}
38
39%{
40/* Each time we match a string, move the end cursor to its end. */
41#define YY_USER_ACTION yylloc->last_column += yyleng;
42%}
9b3add5b 43%%
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44%{
45 /* At each yylex invocation, mark the current position as the
46 start of the next token. */
47 LOCATION_STEP (*yylloc);
48%}
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49
50"%%{line}" { return LINE; }
51"%%{skeleton-line}" { return SLINE; }
52
53"%%{yacc}" { return YACC; }
54"%%{section}" { return SECTION; }
55
56"%%{guards}" { return GUARDS; }
57"%%{actions}" { return ACTIONS; }
58"%%{tokendef}" { return TOKENS; }
59
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60 /* Muscle. */
61"%%{"[a-zA-Z][0-9a-zA-Z_-]+"}" {
aed7fd9b 62 yylval->string = xstrndup (yytext + 3, yyleng - 4);
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63 return MUSCLE;
64}
65
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66 /* String. */
67"%%\"".*"\"" {
aed7fd9b 68 yylval->string = xstrndup (yytext + 3, yyleng - 4);
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69 return STRING;
70}
71
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72 /* End of line. */
73"\n" {
aed7fd9b 74 LOCATION_LINES (*yylloc, yyleng);
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75 return '\n';
76}
77
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78 /* White spaces. */
79[\t ]+ {
aed7fd9b 80 yylval->string = yytext;
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81 return BLANKS;
82}
83
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84 /* Plain Characters. */
85[^%\n]+ {
86 yylval->string = yytext;
87 return RAW;
88}
89
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90 /* Plain Character. */
91. {
aed7fd9b 92 yylval->character = *yytext;
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93 return CHARACTER;
94}
95
96%%