Sweden-Number/tools/wrc/wpp_private.h

206 lines
5.6 KiB
C

/*
* Copyright 1998 Bertho A. Stultiens (BS)
* Copyright 2002 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_WPP_PRIVATE_H
#define __WINE_WPP_PRIVATE_H
#include <stdio.h>
#include <string.h>
#include "wine/list.h"
extern void wpp_del_define( const char *name );
extern void wpp_add_cmdline_define( const char *value );
extern void wpp_set_debug( int lex_debug, int parser_debug, int msg_debug );
extern void wpp_add_include_path( const char *path );
extern char *wpp_find_include( const char *name, const char *parent_name );
/* Return value == 0 means successful execution */
extern int wpp_parse( const char *input, FILE *output );
struct pp_entry; /* forward */
/*
* Include logic
* A stack of files which are already included and
* are protected in the #ifndef/#endif way.
*/
typedef struct includelogicentry {
struct list entry;
struct pp_entry *ppp; /* The define which protects the file */
char *filename; /* The filename of the include */
} includelogicentry_t;
/*
* The expansiontext of a macro
*/
typedef enum {
exp_text, /* Simple text substitution */
exp_concat, /* Concat (##) operator requested */
exp_stringize, /* Stringize (#) operator requested */
exp_subst /* Substitute argument */
} def_exp_t;
typedef struct mtext {
struct mtext *next;
struct mtext *prev;
def_exp_t type;
union {
char *text;
int argidx; /* For exp_subst and exp_stringize reference */
} subst;
} mtext_t;
/*
* The define descriptor
*/
typedef enum {
def_none, /* Not-a-define; used as return value */
def_define, /* Simple defines */
def_macro, /* Macro defines */
def_special /* Special expansions like __LINE__ and __FILE__ */
} def_type_t;
typedef struct pp_entry {
struct list entry;
def_type_t type; /* Define or macro */
char *ident; /* The key */
char **margs; /* Macro arguments array or NULL if none */
int nargs;
union {
mtext_t *mtext; /* The substitution sequence or NULL if none */
char *text;
} subst;
int expanding; /* Set when feeding substitution into the input */
char *filename; /* Filename where it was defined */
int linenumber; /* Linenumber where it was defined */
includelogicentry_t *iep; /* Points to the include it protects */
} pp_entry_t;
/*
* If logic
*/
#define MAXIFSTACK 64 /* If this isn't enough you should alter the source... */
typedef enum {
if_false,
if_true,
if_elif,
if_elsefalse,
if_elsetrue,
if_ignore,
if_error
} pp_if_state_t;
/*
* Trace the include files to prevent double reading.
* This save 20..30% of processing time for most stuff
* that uses complex includes.
* States:
* -1 Don't track or seen junk
* 0 New include, waiting for "#ifndef __xxx_h"
* 1 Seen #ifndef, waiting for "#define __xxx_h ..."
* 2 Seen #endif, waiting for EOF
*/
typedef struct
{
int state;
char *ppp; /* The define to be set from the #ifndef */
int ifdepth; /* The level of ifs at the #ifdef */
int seen_junk; /* Set when junk is seen */
} include_state_t;
#define SIZE_INT 1
#define SIZE_LONG 2
#define SIZE_LONGLONG 3
#define SIZE_MASK 0x00ff
#define FLAG_SIGNED 0x0100
typedef enum {
cv_sint = SIZE_INT + FLAG_SIGNED,
cv_uint = SIZE_INT,
cv_slong = SIZE_LONG + FLAG_SIGNED,
cv_ulong = SIZE_LONG,
cv_sll = SIZE_LONGLONG + FLAG_SIGNED,
cv_ull = SIZE_LONGLONG
} ctype_t;
typedef struct cval {
ctype_t type;
union {
int si;
unsigned int ui;
long sl;
unsigned long ul;
__int64 sll;
unsigned __int64 ull;
} val;
} cval_t;
pp_entry_t *pplookup(const char *ident);
pp_entry_t *pp_add_define(const char *def, const char *text);
pp_entry_t *pp_add_macro(char *ident, char *args[], int nargs, mtext_t *exp);
void pp_del_define(const char *name);
void *pp_open_include(const char *name, int type, const char *parent_name, char **newpath);
void pp_push_if(pp_if_state_t s);
void pp_next_if_state(int);
pp_if_state_t pp_pop_if(void);
pp_if_state_t pp_if_state(void);
int pp_get_if_depth(void);
int ppy_error(const char *s, ...) __attribute__((format (printf, 1, 2)));
int ppy_warning(const char *s, ...) __attribute__((format (printf, 1, 2)));
/* current preprocessor state */
/* everything is in this structure to avoid polluting the global symbol space */
struct pp_status
{
char *input; /* current input file name */
FILE *file; /* current input file descriptor */
int line_number; /* current line number */
int char_number; /* current char number in line */
int debug; /* debug messages flag */
};
extern struct pp_status pp_status;
extern include_state_t pp_incl_state;
extern int pedantic;
/*
* From ppl.l
*/
extern FILE *ppy_in;
extern FILE *ppy_out;
extern char *ppy_text;
extern int pp_flex_debug;
int ppy_lex(void);
void pp_do_include(char *fname, int type);
void pp_push_ignore_state(void);
void pp_pop_ignore_state(void);
/*
* From ppy.y
*/
int ppy_parse(void);
extern int ppy_debug;
#endif /* __WINE_WPP_PRIVATE_H */