mirror of
https://github.com/reactos/reactos.git
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251 lines
6.8 KiB
C
251 lines
6.8 KiB
C
/*
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* Copyright 1998 Bertho A. Stultiens (BS)
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* Copyright 2002 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WPP_PRIVATE_H
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#define __WPP_PRIVATE_H
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include "windef.h"
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/* Return value == 0 means successful execution */
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extern int wpp_add_define( const char *name, const char *value );
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extern void wpp_del_define( const char *name );
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extern char *wpp_lookup(const char *filename, int type, const char *parent_name);
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extern void *wpp_open(const char *filename, int type);
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extern void wpp_close(void *file);
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extern int wpp_read(void *file, char *buffer, unsigned int len);
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extern void wpp_write(const char *buffer, unsigned int len);
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extern int wpp_parse( const char *input, FILE *output );
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struct pp_entry; /* forward */
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/*
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* Include logic
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* A stack of files which are already included and
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* are protected in the #ifndef/#endif way.
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*/
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typedef struct includelogicentry {
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struct includelogicentry *next;
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struct includelogicentry *prev;
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struct pp_entry *ppp; /* The define which protects the file */
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char *filename; /* The filename of the include */
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} includelogicentry_t;
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/*
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* The arguments of a macrodefinition
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*/
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typedef enum {
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arg_single,
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arg_list
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} def_arg_t;
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typedef struct marg {
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def_arg_t type; /* Normal or ... argument */
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char *arg; /* The textual argument */
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int nnl; /* Number of newlines in the text to subst */
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} marg_t;
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/*
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* The expansiontext of a macro
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*/
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typedef enum {
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exp_text, /* Simple text substitution */
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exp_concat, /* Concat (##) operator requested */
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exp_stringize, /* Stringize (#) operator requested */
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exp_subst /* Substitute argument */
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} def_exp_t;
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typedef struct mtext {
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struct mtext *next;
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struct mtext *prev;
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def_exp_t type;
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union {
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char *text;
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int argidx; /* For exp_subst and exp_stringize reference */
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} subst;
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} mtext_t;
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/*
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* The define descriptor
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*/
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typedef enum {
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def_none, /* Not-a-define; used as return value */
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def_define, /* Simple defines */
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def_macro, /* Macro defines */
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def_special /* Special expansions like __LINE__ and __FILE__ */
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} def_type_t;
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typedef struct pp_entry {
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struct pp_entry *next;
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struct pp_entry *prev;
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def_type_t type; /* Define or macro */
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char *ident; /* The key */
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marg_t **margs; /* Macro arguments array or NULL if none */
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int nargs;
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union {
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mtext_t *mtext; /* The substitution sequence or NULL if none */
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char *text;
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} subst;
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int expanding; /* Set when feeding substitution into the input */
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char *filename; /* Filename where it was defined */
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int linenumber; /* Linenumber where it was defined */
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includelogicentry_t *iep; /* Points to the include it protects */
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} pp_entry_t;
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/*
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* If logic
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*/
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#define MAXIFSTACK 64 /* If this isn't enough you should alter the source... */
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typedef enum {
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if_false,
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if_true,
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if_elif,
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if_elsefalse,
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if_elsetrue,
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if_ignore,
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if_error
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} pp_if_state_t;
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/*
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* Trace the include files to prevent double reading.
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* This save 20..30% of processing time for most stuff
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* that uses complex includes.
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* States:
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* -1 Don't track or seen junk
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* 0 New include, waiting for "#ifndef __xxx_h"
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* 1 Seen #ifndef, waiting for "#define __xxx_h ..."
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* 2 Seen #endif, waiting for EOF
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*/
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typedef struct
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{
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int state;
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char *ppp; /* The define to be set from the #ifndef */
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int ifdepth; /* The level of ifs at the #ifdef */
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int seen_junk; /* Set when junk is seen */
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} include_state_t;
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#define SIZE_CHAR 1
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#define SIZE_SHORT 2
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#define SIZE_INT 3
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#define SIZE_LONG 4
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#define SIZE_LONGLONG 5
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#define SIZE_MASK 0x00ff
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#define FLAG_SIGNED 0x0100
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typedef enum {
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#if 0
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cv_schar = SIZE_CHAR + FLAG_SIGNED,
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cv_uchar = SIZE_CHAR,
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cv_sshort = SIZE_SHORT + FLAG_SIGNED,
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cv_ushort = SIZE_SHORT,
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#endif
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cv_sint = SIZE_INT + FLAG_SIGNED,
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cv_uint = SIZE_INT,
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cv_slong = SIZE_LONG + FLAG_SIGNED,
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cv_ulong = SIZE_LONG,
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cv_sll = SIZE_LONGLONG + FLAG_SIGNED,
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cv_ull = SIZE_LONGLONG
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} ctype_t;
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typedef struct cval {
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ctype_t type;
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union {
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#if 0
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signed char sc; /* Explicitly signed because compilers are stupid */
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unsigned char uc;
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short ss;
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unsigned short us;
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#endif
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int si;
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unsigned int ui;
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long sl;
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unsigned long ul;
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__int64 sll;
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unsigned __int64 ull;
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} val;
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} cval_t;
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void *pp_xmalloc(size_t);
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void *pp_xrealloc(void *, size_t);
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char *pp_xstrdup(const char *str);
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pp_entry_t *pplookup(const char *ident);
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int pp_push_define_state(void);
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void pp_pop_define_state(void);
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pp_entry_t *pp_add_define(const char *def, const char *text);
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pp_entry_t *pp_add_macro(char *ident, marg_t *args[], int nargs, mtext_t *exp);
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void pp_del_define(const char *name);
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void *pp_open_include(const char *name, int type, const char *parent_name, char **newpath);
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void pp_push_if(pp_if_state_t s);
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void pp_next_if_state(int);
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pp_if_state_t pp_pop_if(void);
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pp_if_state_t pp_if_state(void);
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int pp_get_if_depth(void);
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#ifndef __GNUC__
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#define __attribute__(x) /*nothing*/
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#endif
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extern const struct wpp_callbacks *wpp_callbacks;
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int WINAPIV ppy_error(const char *s, ...) __attribute__((format (printf, 1, 2)));
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int WINAPIV ppy_warning(const char *s, ...) __attribute__((format (printf, 1, 2)));
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void WINAPIV pp_internal_error(const char *file, int line, const char *s, ...) __attribute__((format (printf, 3, 4)));
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/* current preprocessor state */
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/* everything is in this structure to avoid polluting the global symbol space */
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struct pp_status
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{
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char *input; /* current input file name */
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void *file; /* current input file descriptor */
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int line_number; /* current line number */
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int char_number; /* current char number in line */
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int state; /* current error state */
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int pedantic; /* pedantic option */
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};
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extern struct pp_status pp_status;
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extern include_state_t pp_incl_state;
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extern includelogicentry_t *pp_includelogiclist;
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/*
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* From ppl.l
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*/
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extern FILE *ppy_out;
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extern char *ppy_text;
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int ppy_lex(void);
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void pp_do_include(char *fname, int type);
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void pp_push_ignore_state(void);
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void pp_pop_ignore_state(void);
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void WINAPIV pp_writestring(const char *format, ...) __attribute__((format (printf, 1, 2)));
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/*
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* From ppy.y
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*/
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int ppy_parse(void);
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#endif /* __WPP_PRIVATE_H */
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