1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443
|
%{ /* -*- c -*- */
/*
* Lexer for a2ps.
*
* Copyright (c) 1988, 89, 90, 91, 92, 93 Miguel Santana
* Copyright (c) 1995, 96, 97, 98 Akim Demaille, Miguel Santana
*
*/
/*
* This file is part of a2ps.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* $Id: lexssh.l,v 1.1.1.1.2.1 2007/12/29 01:58:35 mhatta Exp $
*/
#include "main.h"
#include "yy2ssh.h"
#include "parsessh.h"
#include "xobstack.h"
#include "regex.h"
/* Defines if the comments are printed or not */
extern int strip_level;
/* #define YY_DECL yylex (YYSTYPE *lvalp);*/
int yylex PARAMS ((void));
void yyerror PARAMS ((const char *));
/* Initilizes the obstacks */
void sshlex_initialize PARAMS ((void));
/* Obstack for strings reading */
static struct obstack string_stack;
/* The file we scan. */
const char * sshfilename;
#define LATEX_SYM_RETURN(Str) \
yylval.string = (uchar *) xstrdup (Str) ; return tLATEXSYMBOL ;
#define RETURN_FACE(_f_)\
{yylval.face = _f_ ; return tFACE ;}
#define RETURN_FFLAGS(_f_)\
{yylval.fflags = _f_ ; return tFFLAGS ;}
%}
%option yylineno
%option prefix="ssh"
%option outfile="lex.yy.c"
%x STATE_STRING STATE_REGEXP
comment #.*
blank [ \t\r\f\n]*
naked_string [^/#, \t\r\f\n\"()+]*
%%
{comment} { ; }
{blank} { ; }
\" { BEGIN STATE_STRING; }
\/ { BEGIN STATE_REGEXP; }
"\\forall" LATEX_SYM_RETURN ("\042");
"\\exists" LATEX_SYM_RETURN ("\044");
"\\suchthat" LATEX_SYM_RETURN ("\047");
"\\cong" LATEX_SYM_RETURN ("\100");
"\\Alpha" LATEX_SYM_RETURN ("\101");
"\\Beta" LATEX_SYM_RETURN ("\102");
"\\Chi" LATEX_SYM_RETURN ("\103");
"\\Delta" LATEX_SYM_RETURN ("\104");
"\\Epsilon" LATEX_SYM_RETURN ("\105");
"\\Phi" LATEX_SYM_RETURN ("\106");
"\\Gamma" LATEX_SYM_RETURN ("\107");
"\\Eta" LATEX_SYM_RETURN ("\110");
"\\Iota" LATEX_SYM_RETURN ("\111");
"\\vartheta" LATEX_SYM_RETURN ("\112");
"\\Kappa" LATEX_SYM_RETURN ("\113");
"\\Lambda" LATEX_SYM_RETURN ("\114");
"\\Mu" LATEX_SYM_RETURN ("\115");
"\\Nu" LATEX_SYM_RETURN ("\116");
"\\Omicron" LATEX_SYM_RETURN ("\117");
"\\Pi" LATEX_SYM_RETURN ("\120");
"\\Theta" LATEX_SYM_RETURN ("\121");
"\\Rho" LATEX_SYM_RETURN ("\122");
"\\Sigma" LATEX_SYM_RETURN ("\123");
"\\Tau" LATEX_SYM_RETURN ("\124");
"\\Upsilon" LATEX_SYM_RETURN ("\125");
"\\varsigma" LATEX_SYM_RETURN ("\126");
"\\Omega" LATEX_SYM_RETURN ("\127");
"\\Xi" LATEX_SYM_RETURN ("\130");
"\\Psi" LATEX_SYM_RETURN ("\131");
"\\Zeta" LATEX_SYM_RETURN ("\132");
"\\therefore" LATEX_SYM_RETURN ("\134");
"\\perp" LATEX_SYM_RETURN ("\136");
"\\radicalex" LATEX_SYM_RETURN ("\140");
"\\alpha" LATEX_SYM_RETURN ("\141");
"\\beta" LATEX_SYM_RETURN ("\142");
"\\chi" LATEX_SYM_RETURN ("\143");
"\\delta" LATEX_SYM_RETURN ("\144");
"\\epsilon" LATEX_SYM_RETURN ("\145");
"\\phi" LATEX_SYM_RETURN ("\146");
"\\gamma" LATEX_SYM_RETURN ("\147");
"\\eta" LATEX_SYM_RETURN ("\150");
"\\iota" LATEX_SYM_RETURN ("\151");
"\\varphi" LATEX_SYM_RETURN ("\152");
"\\kappa" LATEX_SYM_RETURN ("\153");
"\\lambda" LATEX_SYM_RETURN ("\154");
"\\mu" LATEX_SYM_RETURN ("\155");
"\\nu" LATEX_SYM_RETURN ("\156");
"\\omicron" LATEX_SYM_RETURN ("\157");
"\\pi" LATEX_SYM_RETURN ("\160");
"\\theta" LATEX_SYM_RETURN ("\161");
"\\rho" LATEX_SYM_RETURN ("\162");
"\\sigma" LATEX_SYM_RETURN ("\163");
"\\tau" LATEX_SYM_RETURN ("\164");
"\\upsilon" LATEX_SYM_RETURN ("\165");
"\\varpi" LATEX_SYM_RETURN ("\166");
"\\omega" LATEX_SYM_RETURN ("\167");
"\\xi" LATEX_SYM_RETURN ("\170");
"\\psi" LATEX_SYM_RETURN ("\171");
"\\zeta" LATEX_SYM_RETURN ("\172");
"\\sim" LATEX_SYM_RETURN ("\176");
"\\varUpsilon" LATEX_SYM_RETURN ("\241");
"\\prime" LATEX_SYM_RETURN ("\242");
"\\leq" LATEX_SYM_RETURN ("\243");
"\\infty" LATEX_SYM_RETURN ("\245");
"\\florin" LATEX_SYM_RETURN ("\246");
"\\clubsuit" LATEX_SYM_RETURN ("\247");
"\\diamondsuit" LATEX_SYM_RETURN ("\250");
"\\heartsuit" LATEX_SYM_RETURN ("\251");
"\\spadesuit" LATEX_SYM_RETURN ("\252");
"\\leftrightarrow" LATEX_SYM_RETURN ("\253");
"\\leftarrow" LATEX_SYM_RETURN ("\254");
"\\uparrow" LATEX_SYM_RETURN ("\255");
"\\rightarrow" LATEX_SYM_RETURN ("\256");
"\\downarrow" LATEX_SYM_RETURN ("\257");
"\\circ" LATEX_SYM_RETURN ("\260");
"\\pm" LATEX_SYM_RETURN ("\261");
"\\geq" LATEX_SYM_RETURN ("\263");
"\\times" LATEX_SYM_RETURN ("\264");
"\\propto" LATEX_SYM_RETURN ("\265");
"\\partial" LATEX_SYM_RETURN ("\266");
"\\bullet" LATEX_SYM_RETURN ("\267");
"\\div" LATEX_SYM_RETURN ("\270");
"\\neq" LATEX_SYM_RETURN ("\271");
"\\equiv" LATEX_SYM_RETURN ("\272");
"\\approx" LATEX_SYM_RETURN ("\273");
"\\ldots" LATEX_SYM_RETURN ("\274");
"---" LATEX_SYM_RETURN ("\276");
"\\carriagereturn" LATEX_SYM_RETURN ("\277");
"\\aleph" LATEX_SYM_RETURN ("\300");
"\\Im" LATEX_SYM_RETURN ("\301");
"\\Re" LATEX_SYM_RETURN ("\302");
"\\wp" LATEX_SYM_RETURN ("\303");
"\\otimes" LATEX_SYM_RETURN ("\304");
"\\oplus" LATEX_SYM_RETURN ("\305");
"\\emptyset" LATEX_SYM_RETURN ("\306");
"\\cap" LATEX_SYM_RETURN ("\307");
"\\cup" LATEX_SYM_RETURN ("\310");
"\\supset" LATEX_SYM_RETURN ("\311");
"\\supseteq" LATEX_SYM_RETURN ("\312");
"\\not\\subset" LATEX_SYM_RETURN ("\313");
"\\subset" LATEX_SYM_RETURN ("\314");
"\\subseteq" LATEX_SYM_RETURN ("\315");
"\\in" LATEX_SYM_RETURN ("\316");
"\\not\\in" LATEX_SYM_RETURN ("\317");
"\\angle" LATEX_SYM_RETURN ("\320");
"\\nabla" LATEX_SYM_RETURN ("\321");
"\\varregister" LATEX_SYM_RETURN ("\322");
"\\varcopyright" LATEX_SYM_RETURN ("\324");
"\\vartrademark" LATEX_SYM_RETURN ("\324");
"\\prod" LATEX_SYM_RETURN ("\325");
"\\surd" LATEX_SYM_RETURN ("\326");
"\\cdot" LATEX_SYM_RETURN ("\327");
"\\not" LATEX_SYM_RETURN ("\330");
"\\wedge" LATEX_SYM_RETURN ("\331");
"\\vee" LATEX_SYM_RETURN ("\332");
"\\Leftrightarrow" LATEX_SYM_RETURN ("\333");
"\\Leftarrow" LATEX_SYM_RETURN ("\334");
"\\Uparrow" LATEX_SYM_RETURN ("\335");
"\\Rightarrow" LATEX_SYM_RETURN ("\336");
"\\Downarrow" LATEX_SYM_RETURN ("\337");
"\\vardiamondsuit" LATEX_SYM_RETURN ("\340");
"\\langle" LATEX_SYM_RETURN ("\341");
"\\register" LATEX_SYM_RETURN ("\342");
"\\copyright" LATEX_SYM_RETURN ("\342");
"\\trademark" LATEX_SYM_RETURN ("\344");
"\\sum" LATEX_SYM_RETURN ("\345");
"\\lceil" LATEX_SYM_RETURN ("\351");
"\\lfloor" LATEX_SYM_RETURN ("\353");
"\\rangle" LATEX_SYM_RETURN ("\361");
"\\int" LATEX_SYM_RETURN ("\362");
"\\rceil" LATEX_SYM_RETURN ("\371");
"\\rfloor" LATEX_SYM_RETURN ("\373");
\\[0-9]+ {
int value = yytext[1] - '0';
char *cursor = yytext + 2;
while (*cursor)
value = 8 * value + *cursor++ - '0';
yylval.integer = value;
return tBACK_REF;
}
"a2ps" return tA2PS;
"alphabet" return tALPHABET;
"alphabets" return tALPHABETS;
"ancestors" return tANCESTORS;
"are" return tARE;
"by" return tBY;
"case" return tCASE;
"closers" return tCLOSERS;
"C-char" return tCCHAR;
"C-string" return tCSTRING;
"documentation" return tDOCUMENTATION;
"end" return tEND;
"exceptions" return tEXCEPTIONS;
"first" return tFIRST;
"in" return tIN;
"insensitive" { yylval.sensitiveness = case_insensitive ;
return tSENSITIVENESS;
}
"is" return tIS;
"keywords" return tKEYWORDS;
"requires" return tREQUIRES;
"second" return tSECOND;
"sensitive" { yylval.sensitiveness = case_sensitive ;
return tSENSITIVENESS;
}
"operators" return tOPERATORS;
"optional" return tOPTIONAL;
"sequences" return tSEQUENCES;
"style" return tSTYLE;
"version" return tVERSION;
"written" return tWRITTEN;
"Plain" RETURN_FACE (Plain)
"Keyword" RETURN_FACE (Keyword)
"Keyword_strong" RETURN_FACE (Keyword_strong)
"Error" RETURN_FACE (Error)
"Label" RETURN_FACE (Label)
"Label_strong" RETURN_FACE (Label_strong)
"String" RETURN_FACE (String)
"Symbol" RETURN_FACE (Symbol)
"Comment" { /* Strip if required */
if ((strip_level == 1) || (strip_level == 3))
RETURN_FFLAGS (ff_Invisible)
else
RETURN_FACE (Comment)
}
"Comment_strong" { /* Strip if required */
if ((strip_level == 2) || (strip_level == 3))
RETURN_FFLAGS (ff_Invisible)
else
RETURN_FACE (Comment_strong)
}
"Tag1" RETURN_FFLAGS (ff_Tag1)
"Tag2" RETURN_FFLAGS (ff_Tag2)
"Tag3" RETURN_FFLAGS (ff_Tag3)
"Tag4" RETURN_FFLAGS (ff_Tag4)
"Index1" RETURN_FFLAGS (ff_Index1)
"Index2" RETURN_FFLAGS (ff_Index2)
"Index3" RETURN_FFLAGS (ff_Index3)
"Index4" RETURN_FFLAGS (ff_Index4)
"Encoding" RETURN_FFLAGS (ff_Encoding)
"Invisible" RETURN_FFLAGS (ff_Invisible)
{naked_string} { yylval.string = xustrdup (yytext);
return tSTRING;
}
. { return yytext[0]; }
<STATE_STRING>{ /* string of characters */
\" { /* return the string */
uchar * string;
obstack_1grow (&string_stack, '\0');
string = (uchar *) obstack_finish (&string_stack);
obstack_free (&string_stack, string);
BEGIN INITIAL; /* Return to the regular scanning */
yylval.string = xustrdup (string);
return tSTRING;
}
\\[0-7]{1,3} {
int value = yytext[1] - '0';
char *cursor = yytext + 2;
while (*cursor)
value = 8 * value + *cursor++ - '0';
obstack_1grow (&string_stack, value);
}
\\x[0-9a-fA-F]{1,2} {
int value = 0;
char *cursor = yytext + 2;
while (*cursor)
if (*cursor >= 'a' && *cursor <= 'f')
value = 16 * value + *cursor++ - 'a' + 10;
else if (*cursor >= 'A' && *cursor <= 'F')
value = 16 * value + *cursor++ - 'A' + 10;
else
value = 16 * value + *cursor++ - '0';
obstack_1grow (&string_stack, value);
}
\\a { obstack_1grow (&string_stack, '\007'); }
\\b { obstack_1grow (&string_stack, '\b'); }
\\d { obstack_1grow (&string_stack, 127); }
\\e { obstack_1grow (&string_stack, 27); }
\\f { obstack_1grow (&string_stack, '\f'); }
\\n { obstack_1grow (&string_stack, '\n'); }
\\r { obstack_1grow (&string_stack, '\r'); }
\\t { obstack_1grow (&string_stack, '\t'); }
\\v { obstack_1grow (&string_stack, '\v'); }
\\. { obstack_1grow (&string_stack, yytext[1]); }
\n {
yyerror (_("end-of-line in string constant"));
}
[^\"\n\\]+ {
obstack_grow (&string_stack, yytext, yyleng);
}
}
<STATE_REGEXP>{ /* a regular expression */
\/ { /* return the string */
char * pattern;
int pattern_len;
/* I'm not sure I got the 0 terminate the pattern */
obstack_1grow (&string_stack, '\0');
pattern_len = obstack_object_size (&string_stack);
pattern = (char *) obstack_finish (&string_stack);
obstack_free (&string_stack, pattern);
yylval.pattern = XMALLOC (struct pattern, 1);
/* len - 1, because the NUL must not be part of the pattern that
* will be compiled. We put tough, to be able to use the pattern
* in regular C strings manipulations. */
yylval.pattern->len = pattern_len - 1;
yylval.pattern->pattern = XMALLOC (char, pattern_len);
memcpy (yylval.pattern->pattern, pattern, pattern_len);
BEGIN INITIAL; /* Return to the regular scanning */
return tREGEX;
}
\\[0-7]{1,3} {
int value = yytext[1] - '0';
char *cursor = yytext + 2;
while (*cursor)
value = 8 * value + *cursor++ - '0';
obstack_1grow (&string_stack, value);
}
\\x[0-9a-fA-F]{1,2} {
int value = 0;
char *cursor = yytext + 2;
while (*cursor)
if (*cursor >= 'a' && *cursor <= 'f')
value = 16 * value + *cursor++ - 'a' + 10;
else if (*cursor >= 'A' && *cursor <= 'F')
value = 16 * value + *cursor++ - 'A' + 10;
else
value = 16 * value + *cursor++ - '0';
obstack_1grow (&string_stack, value);
}
\\a { obstack_1grow (&string_stack, '\007'); }
\\b { obstack_1grow (&string_stack, '\b'); }
\\d { obstack_1grow (&string_stack, 127); }
\\e { obstack_1grow (&string_stack, 27); }
\\f { obstack_1grow (&string_stack, '\f'); }
\\n { obstack_1grow (&string_stack, '\n'); }
\\r { obstack_1grow (&string_stack, '\r'); }
\\t { obstack_1grow (&string_stack, '\t'); }
\\v { obstack_1grow (&string_stack, '\v'); }
\\. { obstack_1grow (&string_stack, yytext[1]); }
\n {
error_at_line (1, 0, sshfilename, sshlineno,
_("end of line inside a %s"), "\"..\"");
}
[^\n\\\/]+ {
obstack_grow (&string_stack, yytext, yyleng);
}
}
%%
int
yywrap (void)
{
return 1;
}
/*
* Initialize the obstacks
*/
void
sshlex_initialize (void)
{
static int first_time = 1;
if (first_time)
{
first_time = 0;
obstack_init (&string_stack);
}
}
|