1 /* mclex.c -- lexer for Windows mc files parser.
2 Copyright (C) 2007-2018 Free Software Foundation, Inc.
4 Written by Kai Tietz, Onevision.
6 This file is part of GNU Binutils.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
23 /* This is a lexer used by the Windows rc file parser.
24 It basically just recognized a bunch of keywords. */
29 #include "libiberty.h"
30 #include "safe-ctype.h"
36 /* Exported globals. */
37 bfd_boolean mclex_want_nl = FALSE;
38 bfd_boolean mclex_want_line = FALSE;
39 bfd_boolean mclex_want_filename = FALSE;
42 static unichar *input_stream = NULL;
43 static unichar *input_stream_pos = NULL;
44 static int input_line = 1;
45 static const char *input_filename = NULL;
48 mc_set_content (const unichar *src)
52 input_stream = input_stream_pos = unichar_dup (src);
56 mc_set_inputfile (const char *name)
58 if (! name || *name == 0)
62 const char *s1 = strrchr (name, '/');
63 const char *s2 = strrchr (name, '\\');
67 if (s1 && s2 && s1 < s2)
79 show_msg (const char *kind, const char *msg, va_list argp)
81 fprintf (stderr, "In %s at line %d: %s: ", input_filename, input_line, kind);
82 vfprintf (stderr, msg, argp);
83 fprintf (stderr, ".\n");
87 mc_warn (const char *s, ...)
91 show_msg ("warning", s, argp);
96 mc_fatal (const char *s, ...)
100 show_msg ("fatal", s, argp);
107 yyerror (const char *s, ...)
111 show_msg ("parser", s, argp);
117 get_diff (unichar *end, unichar *start)
123 ret = unichar_dup (start);
129 parse_digit (unichar ch)
131 rc_uint_type base = 10, v = 0, c;
136 switch (input_stream_pos[0])
138 case 'x': case 'X': base = 16; input_stream_pos++; break;
139 case 'o': case 'O': base = 8; input_stream_pos++; break;
140 case 'b': case 'B': base = 2; input_stream_pos++; break;
144 v = (rc_uint_type) (ch - '0');
146 while ((ch = input_stream_pos[0]) != 0)
148 if (ch >= 'A' && ch <= 'F')
149 c = (rc_uint_type) (ch - 'A') + 10;
150 else if (ch >= 'a' && ch <= 'f')
151 c = (rc_uint_type) (ch - 'a') + 10;
152 else if (ch >= '0' && ch <= '9')
153 c = (rc_uint_type) (ch - '0');
160 if (input_stream_pos[0] == 'U' || input_stream_pos[0] == 'u')
162 if (input_stream_pos[0] == 'L' || input_stream_pos[0] == 'l')
164 if (input_stream_pos[0] == 'L' || input_stream_pos[0] == 'l')
169 static mc_keyword *keyword_top = NULL;
172 enum_facility (int e)
174 mc_keyword *h = keyword_top;
178 while (h && strcmp (h->group_name, "facility") != 0)
190 enum_severity (int e)
192 mc_keyword *h = keyword_top;
196 while (h && strcmp (h->group_name, "severity") != 0)
208 mc_add_keyword_ascii (const char *sz, int rid, const char *grp, rc_uint_type nv, const char *sv)
210 unichar *usz, *usv = NULL;
211 rc_uint_type usz_len;
213 unicode_from_codepage (&usz_len, &usz, sz, CP_ACP);
215 unicode_from_codepage (&usz_len, &usv, sv, CP_ACP);
216 mc_add_keyword (usz, rid, grp, nv, usv);
220 mc_add_keyword (unichar *usz, int rid, const char *grp, rc_uint_type nv, unichar *sv)
222 mc_keyword *p, *c, *n;
223 size_t len = unichar_len (usz);
233 int e = memcmp (usz, c->usz, len * sizeof (unichar));
239 if (! strcmp (grp, "keyword") || strcmp (c->group_name, grp) != 0)
240 fatal (_("Duplicate symbol entered into keyword list."));
243 c->sval = (!sv ? NULL : unichar_dup (sv));
244 if (! strcmp (grp, "language"))
246 const wind_language_t *lag = wind_find_language_by_id ((unsigned) nv);
249 fatal ("Language ident 0x%lx is not resolvable.\n", (long) nv);
250 memcpy (&c->lang_info, lag, sizeof (*lag));
257 n = xmalloc (sizeof (mc_keyword));
264 n->sval = (!sv ? NULL : unichar_dup (sv));
265 if (! strcmp (grp, "language"))
267 const wind_language_t *lag = wind_find_language_by_id ((unsigned) nv);
269 fatal ("Language ident 0x%lx is not resolvable.\n", (long) nv);
270 memcpy (&n->lang_info, lag, sizeof (*lag));
279 mc_token (const unichar *t, size_t len)
281 static int was_init = 0;
287 mc_add_keyword_ascii ("OutputBase", MCOUTPUTBASE, "keyword", 0, NULL);
288 mc_add_keyword_ascii ("MessageIdTypedef", MCMESSAGEIDTYPEDEF, "keyword", 0, NULL);
289 mc_add_keyword_ascii ("SeverityNames", MCSEVERITYNAMES, "keyword", 0, NULL);
290 mc_add_keyword_ascii ("FacilityNames", MCFACILITYNAMES, "keyword", 0, NULL);
291 mc_add_keyword_ascii ("LanguageNames", MCLANGUAGENAMES, "keyword", 0, NULL);
292 mc_add_keyword_ascii ("MessageId", MCMESSAGEID, "keyword", 0, NULL);
293 mc_add_keyword_ascii ("Severity", MCSEVERITY, "keyword", 0, NULL);
294 mc_add_keyword_ascii ("Facility", MCFACILITY, "keyword", 0, NULL);
295 mc_add_keyword_ascii ("SymbolicName", MCSYMBOLICNAME, "keyword", 0, NULL);
296 mc_add_keyword_ascii ("Language", MCLANGUAGE, "keyword", 0, NULL);
297 mc_add_keyword_ascii ("Success", MCTOKEN, "severity", 0, NULL);
298 mc_add_keyword_ascii ("Informational", MCTOKEN, "severity", 1, NULL);
299 mc_add_keyword_ascii ("Warning", MCTOKEN, "severity", 2, NULL);
300 mc_add_keyword_ascii ("Error", MCTOKEN, "severity", 3, NULL);
301 mc_add_keyword_ascii ("System", MCTOKEN, "facility", 0xff, NULL);
302 mc_add_keyword_ascii ("Application", MCTOKEN, "facility", 0xfff, NULL);
303 mc_add_keyword_ascii ("English", MCTOKEN, "language", 0x409, "MSG00001");
306 if (!len || !t || *t == 0)
314 if (! memcmp (k->usz, t, len * sizeof (unichar)))
316 if (k->rid == MCTOKEN)
329 unichar *start_token;
332 if (! input_stream_pos)
334 fatal ("Input stream not setuped.\n");
339 start_token = input_stream_pos;
340 if (input_stream_pos[0] == '.'
341 && (input_stream_pos[1] == '\n'
342 || (input_stream_pos[1] == '\r' && input_stream_pos[2] == '\n')))
344 mclex_want_line = FALSE;
345 while (input_stream_pos[0] != 0 && input_stream_pos[0] != '\n')
347 if (input_stream_pos[0] == '\n')
351 while (input_stream_pos[0] != 0 && input_stream_pos[0] != '\n')
353 if (input_stream_pos[0] == '\n')
355 yylval.ustr = get_diff (input_stream_pos, start_token);
358 while ((ch = input_stream_pos[0]) <= 0x20)
365 if (mclex_want_nl && ch == '\n')
367 mclex_want_nl = FALSE;
371 start_token = input_stream_pos;
373 if (mclex_want_filename)
375 mclex_want_filename = FALSE;
379 while ((ch = input_stream_pos[0]) != 0)
385 yylval.ustr = get_diff (input_stream_pos, start_token);
391 while ((ch = input_stream_pos[0]) != 0)
393 if (ch <= 0x20 || ch == ')')
397 yylval.ustr = get_diff (input_stream_pos, start_token);
405 while (input_stream_pos[0] != '\n' && input_stream_pos[0] != 0)
407 if (input_stream_pos[0] == '\n')
409 yylval.ustr = get_diff (input_stream_pos, start_token);
421 case '0': case '1': case '2': case '3': case '4':
422 case '5': case '6': case '7': case '8': case '9':
423 yylval.ival = parse_digit (ch);
429 while (input_stream_pos[0] >= 0x40 || (input_stream_pos[0] >= '0' && input_stream_pos[0] <= '9'))
431 ret = mc_token (start_token, (size_t) (input_stream_pos - start_token));
434 yylval.ustr = get_diff (input_stream_pos, start_token);
437 yyerror ("illegal character 0x%x.", ch);