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1 /* scan.h - Utility declarations for scan-decls and fix-header programs.
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2 Copyright (C) 1993, 1998, 1999, 2003, 2004, 2007, 2008 Free Software
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3 Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU General Public License as published by the
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7 Free Software Foundation; either version 3, or (at your option) any
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8 later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; see the file COPYING3. If not see
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17 <http://www.gnu.org/licenses/>. */
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18
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19 #include <stdio.h>
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20
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21 typedef struct sstring
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22 {
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23 char *base;
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24 char *ptr;
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25 char *limit;
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26 } sstring;
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27
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28 #define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0)
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29 #define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0)
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30 #define SSTRING_PUT(STR, C) do {\
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31 if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \
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32 *(STR)->ptr++ = (C); } while (0)
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33 #define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base)
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34 #define MAKE_SSTRING_SPACE(STR, COUNT) \
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35 if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT);
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36
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37 struct partial_proto;
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38 struct fn_decl
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39 {
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40 const char *fname;
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41 const char *rtype;
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42 const char *params;
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43 struct partial_proto *partial;
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44 };
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45
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46 struct cpp_token;
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47
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48 extern void sstring_append (sstring *, sstring *);
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49 extern void make_sstring_space (sstring *, int);
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50 extern int skip_spaces (FILE *, int);
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51 extern int scan_ident (FILE *, sstring *, int);
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52 extern int scan_string (FILE *, sstring *, int);
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53 extern int read_upto (FILE *, sstring *, int);
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54 extern unsigned long hash (const char *);
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55 extern void recognized_function (const struct cpp_token *,
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56 unsigned int, int, int);
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57 extern void recognized_extern (const struct cpp_token *);
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58 extern unsigned int hashstr (const char *, unsigned int);
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59
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60 extern int scan_decls (struct cpp_reader *, int, char **);
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61
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62 /* get_token is a simple C lexer. */
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63 #define IDENTIFIER_TOKEN 300
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64 #define CHAR_TOKEN 301
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65 #define STRING_TOKEN 302
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66 #define INT_TOKEN 303
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67 extern int get_token (FILE *, sstring *);
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68
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69 /* Current file and line number, taking #-directives into account */
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70 extern int source_lineno;
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71 extern sstring source_filename;
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72 /* Current physical line number */
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73 extern int lineno;
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74
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75 extern struct line_maps line_table;
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