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Annotation of GNUtools/cc/scan.h, revision 1.1

1.1     ! root        1: /* scan.h - Utility declarations for scan-decls and fix-header programs.
        !             2:    Copyright (C) 1993 Free Software Foundation, Inc.
        !             3: 
        !             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
        !             7: later version.
        !             8: 
        !             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.
        !            13: 
        !            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.  */
        !            17: 
        !            18: #include <stdio.h>
        !            19: 
        !            20: typedef struct sstring
        !            21: {
        !            22:   char *base;
        !            23:   char *ptr;
        !            24:   char *limit;
        !            25: } sstring;
        !            26: 
        !            27: #define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0)
        !            28: #define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0)
        !            29: #define SSTRING_PUT(STR, C) do {\
        !            30:   if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \
        !            31:   *(STR)->ptr++ = (C); } while (0)
        !            32: #define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base)
        !            33: #define MAKE_SSTRING_SPACE(STR, COUNT) \
        !            34:   if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT);
        !            35: 
        !            36: #ifndef _PARAMS
        !            37: #if defined(__STDC__) || defined(__cplusplus)
        !            38: #define _PARAMS(args) args
        !            39: #else
        !            40: #define _PARAMS(args) ()
        !            41: #endif
        !            42: #endif
        !            43: 
        !            44: struct partial_proto;
        !            45: struct fn_decl
        !            46: {
        !            47:   char *fname;
        !            48:   char *rtype;
        !            49:   char *params;
        !            50:   struct partial_proto *partial;
        !            51: };
        !            52: 
        !            53: extern int lineno;
        !            54: extern void sstring_append _PARAMS((sstring*, sstring*));
        !            55: extern void make_sstring_space _PARAMS((sstring*, int));
        !            56: extern int skip_spaces _PARAMS((FILE*, int));
        !            57: extern int scan_ident _PARAMS((FILE *, sstring *, int));
        !            58: extern int scan_string _PARAMS((FILE*, sstring *, int));
        !            59: extern int read_upto _PARAMS((FILE*, sstring*, int));
        !            60: extern char *xmalloc _PARAMS((unsigned));
        !            61: extern char *xrealloc _PARAMS((char *, unsigned));
        !            62: extern unsigned long hash _PARAMS((char*));
        !            63: 
        !            64: /* get_token is a simple C lexer. */
        !            65: #define IDENTIFIER_TOKEN 300
        !            66: #define CHAR_TOKEN 301
        !            67: #define STRING_TOKEN 302
        !            68: #define INT_TOKEN 303
        !            69: extern int get_token _PARAMS ((FILE*, sstring*));
        !            70: 
        !            71: /* Current file and line numer, taking #-directives into account */
        !            72: extern int source_lineno;
        !            73: extern sstring source_filename;
        !            74: /* Current physical line number */
        !            75: extern int lineno;

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