wpp_private.h File Reference

#include <stdio.h>
#include <string.h>
#include "wine/list.h"

Include dependency graph for wpp_private.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	includelogicentry
struct	mtext
struct	pp_entry
struct	include_state_t
struct	cval
struct	pp_status

Macros
#define	MAXIFSTACK   64 /* If this isn't enough you should alter the source... */
#define	SIZE_INT   1
#define	SIZE_LONG   2
#define	SIZE_LONGLONG   3
#define	SIZE_MASK   0x00ff
#define	FLAG_SIGNED   0x0100

Typedefs
typedef struct includelogicentry	includelogicentry_t
typedef struct mtext	mtext_t
typedef struct pp_entry	pp_entry_t
typedef struct cval	cval_t

Enumerations
enum	def_exp_t { exp_text , exp_concat , exp_stringize , exp_subst }
enum	def_type_t { def_none , def_define , def_macro , def_special }
enum	pp_if_state_t {   if_false , if_true , if_elif , if_elsefalse ,   if_elsetrue , if_ignore , if_error }
enum	ctype_t {   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 }

Functions
void	wpp_del_define (const char *name)
void	wpp_add_cmdline_define (const char *value)
void	wpp_set_debug (int lex_debug, int parser_debug, int msg_debug)
void	wpp_add_include_path (const char *path)
char *	wpp_find_include (const char *name, const char *parent_name)
int	wpp_parse (const char *input, FILE *output)
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, int variadic, 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
int int	ppy_warning (const char *s,...) __attribute__((format(printf
int	ppy_lex (void)
void	pp_do_include (char *fname, int type)
void	pp_push_ignore_state (void)
void	pp_pop_ignore_state (void)
int	ppy_parse (void)

Variables
struct pp_status	pp_status
include_state_t	pp_incl_state
int	pedantic
FILE *	ppy_in
FILE *	ppy_out
char *	ppy_text
int	pp_flex_debug
int	ppy_debug

Macro Definition Documentation

FLAG_SIGNED

#define FLAG_SIGNED   0x0100

Definition at line 133 of file wpp_private.h.

MAXIFSTACK

#define MAXIFSTACK   64 /* If this isn't enough you should alter the source... */

Definition at line 98 of file wpp_private.h.

SIZE_INT

#define SIZE_INT   1

Definition at line 129 of file wpp_private.h.

SIZE_LONG

#define SIZE_LONG   2

Definition at line 130 of file wpp_private.h.

SIZE_LONGLONG

#define SIZE_LONGLONG   3

Definition at line 131 of file wpp_private.h.

SIZE_MASK

#define SIZE_MASK   0x00ff

Definition at line 132 of file wpp_private.h.

Typedef Documentation

cval_t

typedef struct cval cval_t

includelogicentry_t

typedef struct includelogicentry includelogicentry_t

mtext_t

typedef struct mtext mtext_t

pp_entry_t

typedef struct pp_entry pp_entry_t

Enumeration Type Documentation

ctype_t

enum ctype_t

Enumerator
cv_sint
cv_uint
cv_slong
cv_ulong
cv_sll
cv_ull

Definition at line 135 of file wpp_private.h.

             {
    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;

def_exp_t

enum def_exp_t

Enumerator
exp_text
exp_concat
exp_stringize
exp_subst

Definition at line 50 of file wpp_private.h.

             {
    exp_text,   /* Simple text substitution */
    exp_concat, /* Concat (##) operator requested */
    exp_stringize,  /* Stringize (#) operator requested */
    exp_subst   /* Substitute argument */
} def_exp_t;

def_type_t

enum def_type_t

Enumerator
def_none
def_define
def_macro
def_special

Definition at line 70 of file wpp_private.h.

             {
    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;

pp_if_state_t

enum pp_if_state_t

Enumerator
if_false
if_true
if_elif
if_elsefalse
if_elsetrue
if_ignore
if_error

Definition at line 100 of file wpp_private.h.

             {
    if_false,
    if_true,
    if_elif,
    if_elsefalse,
    if_elsetrue,
    if_ignore,
    if_error
} pp_if_state_t;

Function Documentation

pp_add_define()

pp_entry_t * pp_add_define	(	const char *	def,
		const char *	text
	)

Definition at line 199 of file wpp.c.

{
    int len;
    char *cptr;
    int idx;
    pp_entry_t *ppp;
 
    idx = pphash(def);
    if((ppp = pplookup(def)) != NULL)
    {
        if(pedantic)
            ppy_warning("Redefinition of %s\n%s:%d: note: previous definition was here",
                                    def, ppp->filename, ppp->linenumber);
        pp_del_define(def);
    }
    ppp = xmalloc(sizeof(pp_entry_t));
    memset( ppp, 0, sizeof(*ppp) );
    ppp->ident = xstrdup(def);
    ppp->type = def_define;
    ppp->subst.text = text ? xstrdup(text) : NULL;
    ppp->filename = xstrdup(pp_status.input ? pp_status.input : "<internal or cmdline>");
    ppp->linenumber = pp_status.input ? pp_status.line_number : 0;
        list_add_head( &pp_defines[idx], &ppp->entry );
    if(ppp->subst.text)
    {
        /* Strip trailing white space from subst text */
        len = strlen(ppp->subst.text);
        while(len && strchr(" \t\r\n", ppp->subst.text[len-1]))
        {
            ppp->subst.text[--len] = '\0';
        }
        /* Strip leading white space from subst text */
        for(cptr = ppp->subst.text; *cptr && strchr(" \t\r", *cptr); cptr++)
        ;
        if(ppp->subst.text != cptr)
            memmove(ppp->subst.text, cptr, strlen(cptr)+1);
    }
    if(pp_status.debug)
        printf("Added define (%s, %d) <%s> to <%s>\n", pp_status.input, pp_status.line_number, ppp->ident, ppp->subst.text ? ppp->subst.text : "(null)");
 
    return ppp;
}

Referenced by add_cmdline_defines(), and add_special_defines().

pp_add_macro()

pp_entry_t * pp_add_macro	(	char *	ident,
		char *	args[],
		int	nargs,
		int	variadic,
		mtext_t *	exp
	)

Definition at line 242 of file wpp.c.

{
    int idx;
    pp_entry_t *ppp;
 
    idx = pphash(id);
    if((ppp = pplookup(id)) != NULL)
    {
        if(pedantic)
            ppy_warning("Redefinition of %s\n%s:%d: note: previous definition was here",
                                    id, ppp->filename, ppp->linenumber);
        pp_del_define(id);
    }
    ppp = xmalloc(sizeof(pp_entry_t));
    memset( ppp, 0, sizeof(*ppp) );
    ppp->ident  = id;
    ppp->type   = def_macro;
    ppp->margs  = args;
    ppp->nargs  = nargs;
    ppp->variadic   = variadic;
    ppp->subst.mtext= exp;
    ppp->filename = xstrdup(pp_status.input ? pp_status.input : "<internal or cmdline>");
    ppp->linenumber = pp_status.input ? pp_status.line_number : 0;
        list_add_head( &pp_defines[idx], &ppp->entry );
    if(pp_status.debug)
    {
        fprintf(stderr, "Added macro (%s, %d) <%s(%d%s)> to <", pp_status.input, pp_status.line_number, ppp->ident, nargs, variadic ? ",va" : "");
        for(; exp; exp = exp->next)
        {
            switch(exp->type)
            {
            case exp_text:
                fprintf(stderr, " \"%s\" ", exp->subst.text);
                break;
            case exp_stringize:
                fprintf(stderr, " #(%d) ", exp->subst.argidx);
                break;
            case exp_concat:
                fprintf(stderr, "##");
                break;
            case exp_subst:
                fprintf(stderr, " <%d> ", exp->subst.argidx);
                break;
            }
        }
        fprintf(stderr, ">\n");
    }
    return ppp;
}

pp_del_define()

void pp_del_define

(

const char *

name

)

Definition at line 178 of file wpp.c.

{
    pp_entry_t *ppp;
    int idx = pphash(name);
 
    if((ppp = pplookup(name)) == NULL)
    {
        if(pedantic)
            ppy_warning("%s was not defined", name);
        return;
    }
 
    if(pp_status.debug)
        printf("Deleting (%s, %d) <%s>\n", pp_status.input, pp_status.line_number, name);
 
    free( ppp->ident );
    free( ppp->subst.text );
    free( ppp->filename );
    free_pp_entry( ppp, idx );
}

Referenced by pp_add_define(), and pp_add_macro().

pp_do_include()

void pp_do_include	(	char *	fname,
		int	type
	)

pp_get_if_depth()

int pp_get_if_depth

(

void

)

Definition at line 486 of file wpp.c.

{
    return if_stack_idx;
}

Referenced by wpp_parse().

pp_if_state()

pp_if_state_t pp_if_state

(

void

)

Definition at line 458 of file wpp.c.

{
    if(!if_stack_idx)
        return if_true;
    else
        return if_stack[if_stack_idx-1];
}

Referenced by pp_next_if_state(), pp_pop_if(), and pp_push_if().

pp_next_if_state()

void pp_next_if_state

(

int

i

)

Definition at line 467 of file wpp.c.

{
    switch(pp_if_state())
    {
    case if_true:
    case if_elsetrue:
        pp_push_if(i ? if_true : if_false);
        break;
    case if_false:
    case if_elsefalse:
    case if_elif:
    case if_ignore:
        pp_push_if(if_ignore);
        break;
    case if_error:
        assert(0);
    }
}

pp_open_include()

void * pp_open_include	(	const char *	name,
		int	type,
		const char *	parent_name,
		char **	newpath
	)

Definition at line 320 of file wpp.c.

{
    char *path;
    void *fp;
 
    if (!(path = wpp_lookup(name, type, parent_name))) return NULL;
    fp = fopen(path, "rt");
 
    if (fp)
    {
        if (pp_status.debug)
            printf("Going to include <%s>\n", path);
        if (newpath) *newpath = path;
        else free( path );
        return fp;
    }
    free( path );
    return NULL;
}

pp_pop_if()

pp_if_state_t pp_pop_if

(

void

)

Definition at line 423 of file wpp.c.

{
    if(if_stack_idx <= 0)
    {
        ppy_error("#{endif,else,elif} without #{if,ifdef,ifndef} (#if-stack underflow)");
        return if_error;
    }
 
    switch(pp_if_state())
    {
    case if_true:
    case if_elsetrue:
        break;
    case if_false:
    case if_elsefalse:
    case if_elif:
    case if_ignore:
        pp_pop_ignore_state();
        break;
    case if_error:
        assert(0);
    }
 
    if(pp_flex_debug)
        fprintf(stderr, "Pop if %s:%d: %s(%d) -> %s(%d)\n",
                pp_status.input,
                pp_status.line_number,
                pp_if_state_str[pp_if_state()],
                if_stack_idx,
                pp_if_state_str[if_stack[if_stack_idx <= 1 ? if_true : if_stack_idx-2]],
                if_stack_idx-1);
 
    return if_stack[--if_stack_idx];
}

Referenced by wpp_parse().

pp_pop_ignore_state()

void pp_pop_ignore_state

(

void

)

Referenced by pp_pop_if().

pp_push_if()

void pp_push_if

(

pp_if_state_t

s

)

Definition at line 397 of file wpp.c.

{
    if(if_stack_idx >= MAXIFSTACK)
        error("#if-stack overflow; #{if,ifdef,ifndef} nested too deeply (> %d)\n", MAXIFSTACK);
 
    if(pp_flex_debug)
        fprintf(stderr, "Push if %s:%d: %s(%d) -> %s(%d)\n", pp_status.input, pp_status.line_number, pp_if_state_str[pp_if_state()], if_stack_idx, pp_if_state_str[s], if_stack_idx+1);
 
    if_stack[if_stack_idx++] = s;
 
    switch(s)
    {
    case if_true:
    case if_elsetrue:
        break;
    case if_false:
    case if_elsefalse:
    case if_elif:
    case if_ignore:
        pp_push_ignore_state();
        break;
    case if_error:
        assert(0);
    }
}

Referenced by pp_next_if_state().

pp_push_ignore_state()

void pp_push_ignore_state

(

void

)

Referenced by pp_push_if().

pplookup()

pp_entry_t * pplookup

(

const char *

ident

)

Definition at line 124 of file wpp.c.

{
    int idx;
    pp_entry_t *ppp;
 
    if(!ident)
        return NULL;
    idx = pphash(ident);
        LIST_FOR_EACH_ENTRY( ppp, &pp_defines[idx], pp_entry_t, entry )
    {
        if(!strcmp(ident, ppp->ident))
            return ppp;
    }
    return NULL;
}

Referenced by pp_add_define(), pp_add_macro(), and pp_del_define().

ppy_error()

int ppy_error	(	const char *	s,
			...
	)

ppy_lex()

int ppy_lex

(

void

)

ppy_parse()

int ppy_parse

(

void

)

Referenced by wpp_parse().

ppy_warning()

int int ppy_warning	(	const char *	s,
			...
	)

wpp_add_cmdline_define()

void wpp_add_cmdline_define

(

const char *

value

)

Definition at line 588 of file wpp.c.

{
    char *p;
    char *str = xstrdup(value);
 
    p = strchr( str, '=' );
    if (p) *p++ = 0;
    wpp_add_define( str, p );
    free( str );
}

wpp_add_include_path()

void wpp_add_include_path

(

const char *

path

)

Definition at line 298 of file wpp.c.

{
    char *dir = xstrdup(path);
    char *cptr;
 
    for(cptr = dir; *cptr; cptr++)
    {
        /* Convert to forward slash */
        if(*cptr == '\\')
            *cptr = '/';
    }
    /* Kill eventual trailing '/' */
    if(*(cptr = dir + strlen(dir)-1) == '/') *cptr = '\0';
 
        strarray_add( &includes, dir );
}

wpp_del_define()

void wpp_del_define

(

const char *

name

)

Definition at line 571 of file wpp.c.

{
    struct define *def;
 
    LIST_FOR_EACH_ENTRY( def, &cmdline_defines, struct define, entry )
    {
        if (!strcmp( def->name, name ))
        {
            free( def->value );
            def->value = NULL;
            return;
        }
    }
}

wpp_find_include()

char * wpp_find_include	(	const char *	name,
		const char *	parent_name
	)

Definition at line 315 of file wpp.c.

{
    return wpp_lookup(name, !!parent_name, parent_name);
}

wpp_parse()

int wpp_parse	(	const char *	input,
		FILE *	output
	)

Definition at line 610 of file wpp.c.

{
    int ret;
 
    pp_status.input = NULL;
    pp_status.line_number = 1;
    pp_status.char_number = 1;
 
    pp_init_define_state();
    add_cmdline_defines();
    add_special_defines();
 
    if (!input) pp_status.file = stdin;
    else if (!(pp_status.file = fopen(input, "rt")))
        ppy_error("Could not open %s\n", input);
 
    pp_status.input = input ? xstrdup(input) : NULL;
 
    ppy_out = output;
    fprintf(ppy_out, "# 1 \"%s\" 1\n", input ? input : "");
 
    ret = ppy_parse();
 
    if (input)
    {
    fclose(pp_status.file);
    free(pp_status.input);
    }
    /* Clean if_stack, it could remain dirty on errors */
    while (pp_get_if_depth()) pp_pop_if();
    pp_free_define_state();
    return ret;
}

wpp_set_debug()

void wpp_set_debug	(	int	lex_debug,
		int	parser_debug,
		int	msg_debug
	)

Definition at line 601 of file wpp.c.

{
    pp_flex_debug   = lex_debug;
    ppy_debug       = parser_debug;
    pp_status.debug = msg_debug;
}

Variable Documentation

pedantic

int pedantic

extern

Definition at line 97 of file widl.c.

Referenced by option_callback(), pp_add_define(), pp_add_macro(), pp_del_define(), and tt_loader_init().

pp_flex_debug

int pp_flex_debug

extern

Definition at line 47 of file wpp.c.

Referenced by pp_pop_if(), pp_push_if(), and wpp_set_debug().

pp_incl_state

include_state_t pp_incl_state

extern

pp_status

struct pp_status pp_status

extern

Definition at line 37 of file wpp.c.

ppy_debug

int ppy_debug

extern

Definition at line 47 of file wpp.c.

Referenced by wpp_set_debug().

ppy_in

FILE* ppy_in

extern

ppy_out

FILE* ppy_out

extern

Referenced by wpp_parse().

ppy_text

char* ppy_text

extern

Referenced by ppy_error(), and ppy_warning().