| 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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