1 | /* scan.h - Utility declarations for scan-decls and fix-header programs. |
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2 | Copyright (C) 1993 Free Software Foundation, Inc. |
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3 | |
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4 | This program is free software; you can redistribute it and/or modify it |
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5 | under the terms of the GNU General Public License as published by the |
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6 | Free Software Foundation; either version 2, or (at your option) any |
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7 | later version. |
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8 | |
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9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | GNU General Public License for more details. |
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13 | |
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14 | You should have received a copy of the GNU General Public License |
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15 | along with this program; if not, write to the Free Software |
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16 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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17 | |
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18 | #include <stdio.h> |
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19 | |
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20 | typedef struct sstring |
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21 | { |
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22 | char *base; |
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23 | char *ptr; |
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24 | char *limit; |
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25 | } sstring; |
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26 | |
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27 | #define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0) |
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28 | #define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0) |
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29 | #define SSTRING_PUT(STR, C) do {\ |
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30 | if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \ |
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31 | *(STR)->ptr++ = (C); } while (0) |
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32 | #define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base) |
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33 | #define MAKE_SSTRING_SPACE(STR, COUNT) \ |
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34 | if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT); |
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35 | |
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36 | #ifndef _PARAMS |
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37 | #if defined(__STDC__) || defined(__cplusplus) |
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38 | #define _PARAMS(args) args |
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39 | #else |
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40 | #define _PARAMS(args) () |
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41 | #endif |
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42 | #endif |
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43 | |
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44 | struct partial_proto; |
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45 | struct fn_decl |
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46 | { |
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47 | char *fname; |
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48 | char *rtype; |
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49 | char *params; |
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50 | struct partial_proto *partial; |
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51 | }; |
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52 | |
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53 | extern int lineno; |
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54 | extern void sstring_append _PARAMS((sstring*, sstring*)); |
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55 | extern void make_sstring_space _PARAMS((sstring*, int)); |
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56 | extern int skip_spaces _PARAMS((FILE*, int)); |
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57 | extern int scan_ident _PARAMS((FILE *, sstring *, int)); |
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58 | extern int scan_string _PARAMS((FILE*, sstring *, int)); |
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59 | extern int read_upto _PARAMS((FILE*, sstring*, int)); |
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60 | extern char *xmalloc _PARAMS((unsigned)); |
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61 | extern char *xrealloc _PARAMS((char *, unsigned)); |
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62 | extern unsigned long hash _PARAMS((const char*)); |
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63 | |
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64 | /* get_token is a simple C lexer. */ |
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65 | #define IDENTIFIER_TOKEN 300 |
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66 | #define CHAR_TOKEN 301 |
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67 | #define STRING_TOKEN 302 |
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68 | #define INT_TOKEN 303 |
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69 | extern int get_token _PARAMS ((FILE*, sstring*)); |
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70 | |
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71 | /* Current file and line numer, taking #-directives into account */ |
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72 | extern int source_lineno; |
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73 | extern sstring source_filename; |
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74 | /* Current physical line number */ |
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75 | extern int lineno; |
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