1 /* Utility functions for scan-decls and fix-header programs.
2 Copyright (C) 1993, 1994, 1998 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the
6 Free Software Foundation; either version 2, or (at your option) any
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 int source_lineno = 1;
24 sstring source_filename;
27 make_sstring_space (str, count)
31 int cur_pos = str->ptr - str->base;
32 int cur_size = str->limit - str->base;
33 int new_size = cur_pos + count + 100;
35 if (new_size <= cur_size)
38 str->base = xrealloc (str->base, new_size);
39 str->ptr = str->base + cur_size;
40 str->limit = str->base + new_size;
44 sstring_append (dst, src)
49 register int count = SSTRING_LENGTH(src);
50 MAKE_SSTRING_SPACE(dst, count + 1);
53 while (--count >= 0) *d++ = *s++;
65 if (ISALPHA(c) || c == '_')
71 if (c == EOF || !(ISALNUM(c) || c == '_'))
75 MAKE_SSTRING_SPACE(s, 1);
81 scan_string (fp, s, init)
90 if (c == EOF || c == '\n')
107 MAKE_SSTRING_SPACE(s, 1);
112 /* Skip horizontal white spaces (spaces, tabs, and C-style comments). */
121 if (c == ' ' || c == '\t')
139 source_lineno++, lineno++;
142 else if ((c = getc (fp)) == '/')
153 read_upto (fp, str, delim)
162 if (ch == EOF || ch == delim)
164 SSTRING_PUT(str, ch);
166 MAKE_SSTRING_SPACE(str, 1);
180 c = skip_spaces (fp, c);
189 c = get_token (fp, s);
192 source_lineno = atoi (s->base) - 1; /* '\n' will add 1 */
193 get_token (fp, &source_filename);
216 } while (c != EOF && ISDIGIT(c));
221 if (ISALPHA (c) || c == '_')
223 c = scan_ident (fp, s, c);
225 return IDENTIFIER_TOKEN;
227 if (c == '\'' || c == '"')
229 c = scan_string (fp, s, c);
231 return c == '\'' ? CHAR_TOKEN : STRING_TOKEN;
235 MAKE_SSTRING_SPACE(s, 1);
245 unsigned int n = len;
247 const unsigned char *s = (const unsigned char *)str;
250 r = r * 67 + (*s++ - 113);