1 /* Utility functions for scan-decls and fix-header programs.
2 Copyright (C) 1993, 1994 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, 675 Mass Ave, Cambridge, MA 02139, 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 if (str->base == NULL)
39 str->base = xmalloc (new_size);
41 str->base = xrealloc (str->base, new_size);
42 str->ptr = str->base + cur_size;
43 str->limit = str->base + new_size;
47 sstring_append (dst, src)
52 register count = SSTRING_LENGTH(src);
53 MAKE_SSTRING_SPACE(dst, count + 1);
56 while (--count >= 0) *d++ = *s++;
68 if (isalpha(c) || c == '_')
74 if (c == EOF || !(isalnum(c) || c == '_'))
78 MAKE_SSTRING_SPACE(s, 1);
84 scan_string (fp, s, init)
92 if (c == EOF || c == '\n')
109 MAKE_SSTRING_SPACE(s, 1);
114 /* Skip horizontal white spaces (spaces, tabs, and C-style comments). */
123 if (c == ' ' || c == '\t')
141 source_lineno++, lineno++;
144 else if ((c = getc (fp)) == '/')
155 read_upto (fp, str, delim)
164 if (ch == EOF || ch == delim)
166 SSTRING_PUT(str, ch);
168 MAKE_SSTRING_SPACE(str, 1);
182 c = skip_spaces (fp, c);
191 c = get_token (fp, s);
194 source_lineno = atoi (s->base) - 1; /* '\n' will add 1 */
195 get_token (fp, &source_filename);
218 } while (c != EOF && isdigit(c));
223 if (isalpha (c) || c == '_')
225 c = scan_ident (fp, s, c);
227 return IDENTIFIER_TOKEN;
229 if (c == '\'' || c == '"')
231 c = scan_string (fp, s, c);
233 return c == '\'' ? CHAR_TOKEN : STRING_TOKEN;
237 MAKE_SSTRING_SPACE(s, 1);