void PP_Dependency_List( pp_callback *callback )
{
PP_CallBack = callback;
for( ; PP_Char() != EOF; ) {
PPTokenPtr = ""; // quickly skip over token
}
}
int main( int argc, char *argv[] )
{
int c;
dumpheap();
if( argc < 2 ) {
printf( "Usage: testpp filename\n" );
exit( 1 );
}
if( argv[2] != NULL ) {
PreProcChar = argv[2][0];
}
if( PP_Init( argv[1], PPFLAG_EMIT_LINE, NULL ) != 0 ) {
printf( "Unable to open '%s'\n", argv[1] );
exit( 1 );
}
for( ;; ) {
c = PP_Char();
if( c == EOF )
break;
putchar( c );
}
dumpheap();
PP_Fini();
dumpheap();
return( 0 );
}
static int ReadBuffer( FileStack * stack )
/****************************************/
{
PhysFileInfo *phys;
int numread;
int error;
int inchar;
phys = &(stack->Current->Physical);
if( !phys->IsOpen ) {
error = OpenPhysicalFile( phys );
if( error ) return( TRUE );
}
if( CmdLineParms.NoPreprocess ) {
numread = RcRead( phys->Handle, stack->Buffer, stack->BufferSize );
} else {
for( numread = 0; numread < stack->BufferSize; numread++ ) {
inchar = PP_Char();
if( inchar == EOF ) {
break;
}
*( stack->Buffer + numread ) = (char)inchar;
}
}
stack->NextChar = stack->Buffer;
stack->EofChar = stack->Buffer + numread; /* may be past end of buffer */
return( FALSE );
} /* ReadBuffer */
static bool ReadBuffer( FileStack * stack )
/*****************************************/
{
PhysFileInfo *phys;
size_t numread;
bool error;
int inchar;
phys = &(stack->Current->Physical);
if( !phys->IsOpen ) {
error = OpenPhysicalFile( phys );
if( error ) {
return( true );
}
}
if( CmdLineParms.NoPreprocess ) {
numread = fread( stack->Buffer, 1, stack->BufferSize, phys->fp );
} else {
for( numread = 0; numread < stack->BufferSize; numread++ ) {
inchar = PP_Char();
if( inchar == EOF ) {
break;
}
*( stack->Buffer + numread ) = (char)inchar;
}
}
stack->NextChar = stack->Buffer;
stack->EofChar = stack->Buffer + numread; /* may be past end of buffer */
return( false );
} /* ReadBuffer */
static char *WRELoadSymbols( WRHashTable **table, char *file_name, bool prompt )
{
char *name;
int c;
unsigned flags;
char *inc_path;
WREGetFileStruct gf;
unsigned pp_count;
unsigned busy_count;
char busy_str[2];
bool ret;
bool ok;
name = NULL;
ok = (table != NULL);
if( ok ) {
WRESetStatusText( NULL, "", FALSE );
WRESetStatusByID( WRE_LOADINGSYMBOLS, -1 );
}
if( ok ) {
if( file_name == NULL || prompt ) {
gf.file_name = file_name;
gf.title = WRESymLoadTitle;
gf.filter = WRESymSaveFilter;
gf.save_ext = FALSE;
name = WREGetOpenFileName( &gf );
} else {
name = WREStrDup( file_name );
}
ok = (name != NULL);
}
WRESetWaitCursor( TRUE );
if( ok ) {
flags = PPFLAG_IGNORE_INCLUDE | PPFLAG_EMIT_LINE;
inc_path = NULL;
ret = setjmp( SymEnv );
if( ret ) {
PP_Fini();
WREDisplayErrorMsg( WRE_SYMOUTOFMEM );
ok = false;
}
}
if( ok ) {
ok = !PP_Init( name, flags, inc_path );
if( !ok ) {
WREDisplayErrorMsg( WRE_NOLOADHEADERFILE );
}
}
if( ok ) {
pp_count = 0;
busy_count = 0;
busy_str[1] = '\0';
do {
pp_count++;
c = PP_Char();
if( pp_count == MAX_PP_CHARS ) {
busy_count++;
busy_str[0] = WREBusyChars[busy_count % 4];
WRESetStatusText( NULL, busy_str, TRUE );
pp_count = 0;
}
} while( c != EOF );
if( *table == NULL ) {
*table = WRInitHashTable();
}
WREAddSymbols( *table );
WRMakeHashTableClean( *table );
PP_Fini();
WRESetStatusText( NULL, " ", TRUE );
}
if( !ok ) {
if( name != NULL ) {
WRMemFree( name );
name = NULL;
}
}
WRESetWaitCursor( FALSE );
WRESetStatusReadyText();
return( name );
}
char *WLoadSymbols( WRHashTable **table, char *file_name, HWND parent, bool prompt )
{
char *name;
int c;
unsigned flags;
char *inc_path;
WGetFileStruct gf;
bool ret;
bool ok;
name = NULL;
ok = (table != NULL);
if( ok ) {
if( file_name == NULL || prompt ) {
gf.file_name = file_name;
gf.title = AllocRCString( W_LOADSYMTITLE );
gf.filter = AllocRCString( W_SYMFILTER );
WMassageFilter( gf.filter );
name = WGetOpenFileName( parent, &gf );
if( gf.title != NULL ) {
FreeRCString( gf.title );
}
if( gf.filter != NULL ) {
FreeRCString( gf.filter );
}
} else {
name = WStrDup( file_name );
}
ok = (name != NULL);
}
WSetWaitCursor( parent, TRUE );
if( ok ) {
flags = PPFLAG_IGNORE_INCLUDE | PPFLAG_EMIT_LINE;
inc_path = NULL;
ret = setjmp( SymEnv ) != 0;
if( ret ) {
PP_Fini();
WDisplayErrorMsg( W_SYMOUTOFMEM );
ok = false;
}
}
if( ok ) {
ok = !PP_Init( name, flags, inc_path );
if( !ok ) {
WDisplayErrorMsg( W_NOOPENSYMFILE );
}
}
if( ok ) {
do {
c = PP_Char();
} while( c != EOF );
if( *table == NULL ) {
*table = WRInitHashTable();
}
addSymbols( *table );
WRMakeHashTableClean( *table );
PP_Fini();
}
if( !ok ) {
if( name != NULL ) {
WRMemFree( name );
name = NULL;
}
}
WSetWaitCursor( parent, FALSE );
return( name );
}
static bool scanEnvVarOrFile( const char *name )
/**********************************************/
{
/*
* Pass nofilenames and analysis of getenv(name) into argc and argv
* to doScanParams. Return view on usability of data. (true is usable.)
*
* Recursion is supported but circularity is rejected.
*/
typedef struct VarInfo {
struct VarInfo *next;
char *name;
char **argv; /* points into buf */
char buf[1]; /* dynamic array */
} VarInfo;
int argc;
VarInfo *info;
static VarInfo *stack = NULL; // Needed to detect recursion.
size_t argvsize;
size_t argbufsize;
const char *optstring;
size_t varlen; // size to hold name copy.
bool result; // doScanParams Result.
char fbuf[512];
optstring = PP_GetEnv( name );
if( optstring == NULL ) {
FILE *fh;
fh = fopen( name, "rt" );
if( fh == NULL ) {
// RcWarning( ERR_ENV_VAR_NOT_FOUND, name );
return( true );
}
fgets( fbuf, sizeof( fbuf ), fh );
fclose( fh );
optstring = fbuf;
}
// This used to cause stack overflow: set foo=@foo && wrc @foo.
for( info = stack; info != NULL; info = info->next ) {
#if defined( __UNIX__ )
if( strcmp( name, info->name ) == 0 ) { // Case-sensitive
#else
if( stricmp( name, info->name ) == 0 ) { // Case-insensitive
#endif
// RcFatalError( ERR_RCVARIABLE_RECURSIVE, name );
}
}
argc = ParseVariable( optstring, NULL, NULL ); // count parameters.
argbufsize = strlen( optstring ) + 1 + argc; // inter-parameter spaces map to 0
argvsize = argc * sizeof( char * ); // sizeof argv[argc+1]
varlen = strlen( name ) + 1; // Copy taken to detect recursion.
info = malloc( sizeof( *info ) + argbufsize + argvsize + varlen );
info->next = stack;
stack = info; // push info on stack
info->argv = (char **)info->buf;
ParseVariable( optstring, info->argv, info->buf + argvsize );
info->name = info->buf + argvsize + argbufsize;
strcpy( info->name, name );
result = doScanParams( argc, info->argv );
stack = info->next; // pop stack
free( info );
return( result );
}
static bool doScanParams( int argc, char *argv[] )
/************************************************/
{
const char *arg;
int switchchar;
bool contok; /* continue with main execution */
int currarg;
contok = true;
switchchar = _dos_switch_char();
for( currarg = 0; currarg < argc && contok; currarg++ ) {
arg = argv[currarg];
if( *arg == switchchar || *arg == '-' ) {
contok = ScanOptionsArg( arg + 1 ) && contok;
} else if( *arg == '@' ) {
contok = scanEnvVarOrFile( arg + 1 ) && contok;
} else if( *arg == '?' ) {
wcpp_quit( usageMsg, NULL );
// contok = false;
} else {
filenames = realloc( (void *)filenames, ( nofilenames + 1 ) * sizeof( char * ) );
filenames[nofilenames++] = my_strdup( arg );
}
}
return( contok );
}
int main( int argc, char *argv[] )
{
int ch;
int i;
int j;
int rc;
FILE *fo;
if( argc < 2 ) {
wcpp_quit( usageMsg, "No filename specified\n" );
} else if( argc == 2 ) {
if( !strcmp( argv[1], "?" ) ) {
wcpp_quit( usageMsg, NULL );
}
}
PP_IncludePathInit();
rc = EXIT_FAILURE;
if( doScanParams( argc - 1, argv + 1 ) && nofilenames != 0 ) {
PP_Init( '#' );
fo = stdout;
if( out_filename != NULL ) {
fo = fopen( out_filename, "wb" );
}
rc = EXIT_SUCCESS;
for( i = 0; i < nofilenames; ++i ) {
if( PP_FileInit( filenames[i], flags, NULL ) != 0 ) {
fprintf( stderr, "Unable to open '%s'\n", filenames[i] );
rc = EXIT_FAILURE;
break;
}
for( j = 0; j < numdefs; j++ ) {
PP_Define( defines[j] );
}
for( ;; ) {
ch = PP_Char();
if( ch == EOF )
break;
#ifndef __UNIX__
if( ch == '\n' )
fputc( '\r', fo );
#endif
fputc( ch, fo );
}
PP_FileFini();
}
if( fo == stdout ) {
fflush( fo );
} else if( fo != NULL ) {
fclose( fo );
}
PP_Fini();
}
if( out_filename != NULL ) {
free( out_filename );
}
for( i = 0; i < nofilenames; ++i ) {
free( filenames[i] );
}
free( (void *)filenames );
for( i = 0; i < numdefs; i++ ) {
free( defines[i] );
}
free( (void *)defines );
PP_IncludePathFini();
if( rc == EXIT_FAILURE && nofilenames == 0 ) {
wcpp_quit( usageMsg, "No filename specified\n" );
}
return( rc );
}