#include <stdio.h>
#include <string.h>

Include dependency graph for wpp_private.h:

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

Classes
struct	includelogicentry

struct	marg

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_CHAR 1

#define	SIZE_SHORT 2

#define	SIZE_INT 3

#define	SIZE_LONG 4

#define	SIZE_LONGLONG 5

#define	SIZE_MASK 0x00ff

#define	FLAG_SIGNED 0x0100

#define	__attribute__(x) /nothing/

Typedefs
typedef struct includelogicentry	includelogicentry_t

typedef struct marg	marg_t

typedef struct mtext	mtext_t

typedef struct pp_entry	pp_entry_t

typedef long	wrc_sll_t

typedef unsigned long	wrc_ull_t

typedef struct cval	cval_t

Enumerations
enum	def_arg_t { arg_single , arg_list , arg_single , arg_list }

enum	def_exp_t { exp_text , exp_concat , exp_stringize , exp_subst , exp_text , exp_concat , exp_stringize , exp_subst }

enum	def_type_t { def_none , def_define , def_macro , def_special , 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 , 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 , 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 *	pp_xmalloc (size_t)

void *	pp_xrealloc (void *, size_t)

char *	pp_xstrdup (const char *str)

pp_entry_t *	pplookup (const char *ident)

int	pp_push_define_state (void)

void	pp_pop_define_state (void)

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

pp_entry_t *	pp_add_macro (char ident, marg_t 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

int int	ppy_warning (const char *s,...) __attribute__((format(printf

int int void	pp_internal_error (const char file, int line, 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)

void	pp_writestring (const char *format,...) __attribute__((format(printf

void int	ppy_parse (void)

Variables
const struct wpp_callbacks *	wpp_callbacks

struct pp_status	pp_status

include_state_t	pp_incl_state

includelogicentry_t *	pp_includelogiclist

FILE *	ppy_in

FILE *	ppy_out

char *	ppy_text

int	pp_flex_debug

int	ppy_debug

Macro Definition Documentation

◆ attribute

#define __attribute__ ( x ) /*nothing*/

Definition at line 218 of file wpp_private.h.

◆ FLAG_SIGNED

#define FLAG_SIGNED 0x0100

Definition at line 164 of file wpp_private.h.

◆ MAXIFSTACK

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

Definition at line 108 of file wpp_private.h.

◆ SIZE_CHAR

#define SIZE_CHAR 1

Definition at line 158 of file wpp_private.h.

◆ SIZE_INT

#define SIZE_INT 3

Definition at line 160 of file wpp_private.h.

◆ SIZE_LONG

#define SIZE_LONG 4

Definition at line 161 of file wpp_private.h.

◆ SIZE_LONGLONG

#define SIZE_LONGLONG 5

Definition at line 162 of file wpp_private.h.

◆ SIZE_MASK

#define SIZE_MASK 0x00ff

Definition at line 163 of file wpp_private.h.

◆ SIZE_SHORT

#define SIZE_SHORT 2

Definition at line 159 of file wpp_private.h.

Typedef Documentation

◆ cval_t

typedef struct cval cval_t

◆ includelogicentry_t

typedef struct includelogicentry includelogicentry_t

◆ marg_t

typedef struct marg marg_t

◆ mtext_t

typedef struct mtext mtext_t

◆ pp_entry_t

typedef struct pp_entry pp_entry_t

◆ wrc_sll_t

typedef long wrc_sll_t

Definition at line 154 of file wpp_private.h.

◆ wrc_ull_t

typedef unsigned long wrc_ull_t

Definition at line 155 of file wpp_private.h.

Enumeration Type Documentation

◆ ctype_t

enum ctype_t

Enumerator
cv_sint
cv_uint
cv_slong
cv_ulong
cv_sll
cv_ull
cv_sint
cv_uint
cv_slong
cv_ulong
cv_sll
cv_ull

Definition at line 166 of file wpp_private.h.

             {
#if 0
    cv_schar  = SIZE_CHAR + FLAG_SIGNED,
    cv_uchar  = SIZE_CHAR,
    cv_sshort = SIZE_SHORT + FLAG_SIGNED,
    cv_ushort = SIZE_SHORT,
#endif
    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_arg_t

enum def_arg_t

Enumerator
arg_single
arg_list
arg_single
arg_list

Definition at line 46 of file wpp_private.h.

             {
    arg_single,
    arg_list
} def_arg_t;

◆ def_exp_t

enum def_exp_t

Enumerator
exp_text
exp_concat
exp_stringize
exp_subst
exp_text
exp_concat
exp_stringize
exp_subst

Definition at line 60 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
def_none
def_define
def_macro
def_special

Definition at line 80 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
if_false
if_true
if_elif
if_elsefalse
if_elsetrue
if_ignore
if_error

Definition at line 110 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 194 of file preproc.c.

{
    int len;
    char *cptr;
    int idx;
    pp_entry_t *ppp;
 
    if(!def)
        return NULL;
    idx = pphash(def);
    if((ppp = pplookup(def)) != NULL)
    {
        if(pp_status.pedantic)
            ppy_warning("Redefinition of %s\n\tPrevious definition: %s:%d", def, ppp->filename, ppp->linenumber);
        pp_del_define(def);
    }
    ppp = pp_xmalloc(sizeof(pp_entry_t));
    if(!ppp)
        return NULL;
    memset( ppp, 0, sizeof(*ppp) );
    ppp->ident = pp_xstrdup(def);
    if(!ppp->ident)
        goto error;
    ppp->type = def_define;
    ppp->subst.text = text ? pp_xstrdup(text) : NULL;
    if(text && !ppp->subst.text)
        goto error;
    ppp->filename = pp_xstrdup(pp_status.input ? pp_status.input : "<internal or cmdline>");
    if(!ppp->filename)
        goto error;
    ppp->linenumber = pp_status.input ? pp_status.line_number : 0;
    ppp->next = pp_def_state->defines[idx];
    pp_def_state->defines[idx] = ppp;
    if(ppp->next)
        ppp->next->prev = ppp;
    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);
    }
    return ppp;
 
error:
    free(ppp->ident);
    free(ppp->subst.text);
    free(ppp);
    return NULL;
}

Referenced by add_cmdline_defines(), and add_special_defines().

◆ pp_add_macro()

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

Definition at line 252 of file preproc.c.

{
    int idx;
    pp_entry_t *ppp;
 
    if(!id)
        return NULL;
    idx = pphash(id);
    if((ppp = pplookup(id)) != NULL)
    {
        if(pp_status.pedantic)
            ppy_warning("Redefinition of %s\n\tPrevious definition: %s:%d", id, ppp->filename, ppp->linenumber);
        pp_del_define(id);
    }
    ppp = pp_xmalloc(sizeof(pp_entry_t));
    if(!ppp)
        return NULL;
    memset( ppp, 0, sizeof(*ppp) );
    ppp->ident  = id;
    ppp->type   = def_macro;
    ppp->margs  = args;
    ppp->nargs  = nargs;
    ppp->subst.mtext= exp;
    ppp->filename = pp_xstrdup(pp_status.input ? pp_status.input : "<internal or cmdline>");
    if(!ppp->filename)
    {
        free(ppp);
        return NULL;
    }
    ppp->linenumber = pp_status.input ? pp_status.line_number : 0;
    ppp->next   = pp_def_state->defines[idx];
    pp_def_state->defines[idx] = ppp;
    if(ppp->next)
        ppp->next->prev = ppp;
    return ppp;
}

◆ pp_del_define()

void pp_del_define ( const char * name )

Definition at line 176 of file preproc.c.

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

Referenced by del_cmdline_defines(), del_special_defines(), pp_add_define(), pp_add_macro(), and pp_pop_define_state().

◆ pp_do_include()

void pp_do_include	(	char *	fname,
		int	type
	)

◆ pp_get_if_depth()

int pp_get_if_depth ( void )

Definition at line 433 of file preproc.c.

{
    return if_stack_idx;
}

Referenced by wpp_parse().

◆ pp_if_state()

pp_if_state_t pp_if_state ( void )

Definition at line 405 of file preproc.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_internal_error()

int int void pp_internal_error	(	const char *	file,
		int	line,
		const char *	s,
			...
	)

◆ pp_next_if_state()

void pp_next_if_state ( int i )

Definition at line 414 of file preproc.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;
    default:
        pp_internal_error(__FILE__, __LINE__, "Invalid pp_if_state (%d) in #{if,ifdef,ifndef} directive", (int)pp_if_state());
    }
}

◆ pp_open_include()

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

Definition at line 290 of file preproc.c.

{
    char *path;
    void *fp;
 
    if (!(path = wpp_lookup(name, type, parent_name))) return NULL;
    fp = wpp_open(path, type);
 
    if (fp)
    {
        if (newpath) *newpath = path;
        else free( path );
        return fp;
    }
    free( path );
    return NULL;
}

◆ pp_pop_define_state()

void pp_pop_define_state ( void )

Definition at line 161 of file preproc.c.

{
    int i;
    pp_entry_t *ppp;
    pp_def_state_t *state;
 
    for (i = 0; i < HASHKEY; i++)
    {
        while ((ppp = pp_def_state->defines[i]) != NULL) pp_del_define( ppp->ident );
    }
    state = pp_def_state;
    pp_def_state = state->next;
    free( state );
}

Referenced by wpp_parse().

◆ pp_pop_if()

pp_if_state_t pp_pop_if ( void )

Definition at line 380 of file preproc.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;
    default:
        pp_internal_error(__FILE__, __LINE__, "Invalid pp_if_state (%d)", (int)pp_if_state());
    }
    return if_stack[--if_stack_idx];
}

Referenced by wpp_parse().

◆ pp_pop_ignore_state()

void pp_pop_ignore_state ( void )

◆ pp_push_define_state()

int pp_push_define_state ( void )

Definition at line 148 of file preproc.c.

{
    pp_def_state_t *state = pp_xmalloc( sizeof(*state) );
    if(!state)
        return 1;
 
    memset( state->defines, 0, sizeof(state->defines) );
    state->next = pp_def_state;
    pp_def_state = state;
    return 0;
}

Referenced by wpp_parse().

◆ pp_push_if()

void pp_push_if ( pp_if_state_t s )

Definition at line 357 of file preproc.c.

{
    if(if_stack_idx >= MAXIFSTACK)
        pp_internal_error(__FILE__, __LINE__, "#if-stack overflow; #{if,ifdef,ifndef} nested too deeply (> %d)", MAXIFSTACK);
 
    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;
    default:
        pp_internal_error(__FILE__, __LINE__, "Invalid pp_if_state (%d)", (int)pp_if_state());
    }
}

Referenced by pp_next_if_state().

◆ pp_push_ignore_state()

void pp_push_ignore_state ( void )

◆ pp_writestring()

void pp_writestring	(	const char *	format,
			...
	)

◆ pp_xmalloc()

void * pp_xmalloc ( size_t size )

Definition at line 45 of file preproc.c.

{
    void *res;
 
    assert(size > 0);
    res = malloc(size);
    if(res == NULL)
    {
        /* Set the error flag */
        pp_status.state = 1;
    }
    return res;
}

Referenced by pp_add_define(), pp_add_macro(), pp_push_define_state(), pp_xstrdup(), wpp_add_define(), and wpp_default_lookup().

◆ pp_xrealloc()

void * pp_xrealloc	(	void *	p,
		size_t	size
	)

Definition at line 59 of file preproc.c.

{
    void *res;
 
    assert(size > 0);
    res = realloc(p, size);
    if(res == NULL)
    {
        /* Set the error flag */
        pp_status.state = 1;
    }
    return res;
}

Referenced by wpp_add_include_path().

◆ pp_xstrdup()

char * pp_xstrdup ( const char * str )

Definition at line 73 of file preproc.c.

{
    char *s;
    int len;
 
    assert(str != NULL);
    len = strlen(str)+1;
    s = pp_xmalloc(len);
    if(!s)
        return NULL;
    return memcpy(s, str, len);
}

Referenced by generic_msg(), pp_add_define(), pp_add_macro(), wpp_add_cmdline_define(), wpp_add_define(), wpp_add_include_path(), and wpp_parse().

◆ pplookup()

pp_entry_t * pplookup ( const char * ident )

Definition at line 95 of file preproc.c.

{
    int idx;
    pp_entry_t *ppp;
 
    if(!ident)
        return NULL;
    idx = pphash(ident);
    for(ppp = pp_def_state->defines[idx]; ppp; ppp = ppp->next)
    {
        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()

void int ppy_parse ( void )

◆ ppy_warning()

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

Variable Documentation

◆ pp_flex_debug

int pp_flex_debug

extern

Definition at line 31 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_includelogiclist

includelogicentry_t* pp_includelogiclist

extern

◆ pp_status

struct pp_status pp_status

extern

Definition at line 29 of file preproc.c.

◆ ppy_debug

int ppy_debug

extern

Definition at line 31 of file wpp.c.

Referenced by wpp_set_debug().

◆ ppy_in

FILE* ppy_in

extern

◆ ppy_out

FILE* ppy_out

extern

◆ ppy_text

char* ppy_text

extern

◆ wpp_callbacks

const struct wpp_callbacks* wpp_callbacks

extern

Definition at line 733 of file preproc.c.

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ __attribute__

◆ FLAG_SIGNED

◆ MAXIFSTACK

◆ SIZE_CHAR

◆ SIZE_INT

◆ SIZE_LONG

◆ SIZE_LONGLONG

◆ SIZE_MASK

◆ SIZE_SHORT

Typedef Documentation

◆ cval_t

◆ includelogicentry_t

◆ marg_t

◆ mtext_t

◆ pp_entry_t

◆ wrc_sll_t

◆ wrc_ull_t

Enumeration Type Documentation

◆ ctype_t

◆ def_arg_t

◆ def_exp_t

◆ def_type_t

◆ pp_if_state_t

Function Documentation

◆ pp_add_define()

◆ pp_add_macro()

◆ pp_del_define()

◆ pp_do_include()

◆ pp_get_if_depth()

◆ pp_if_state()

◆ pp_internal_error()

◆ pp_next_if_state()

◆ pp_open_include()

◆ pp_pop_define_state()

◆ pp_pop_if()

◆ pp_pop_ignore_state()

◆ pp_push_define_state()

◆ pp_push_if()

◆ pp_push_ignore_state()

◆ pp_writestring()

◆ pp_xmalloc()

◆ pp_xrealloc()

◆ pp_xstrdup()

◆ pplookup()

◆ ppy_error()

◆ ppy_lex()

◆ ppy_parse()

◆ ppy_warning()

Variable Documentation

◆ pp_flex_debug

◆ pp_incl_state

◆ pp_includelogiclist

◆ pp_status

◆ ppy_debug

◆ ppy_in

◆ ppy_out

◆ ppy_text

◆ wpp_callbacks

◆ attribute