static SYMBOL getSymInScope( // GET A SYMBOL IN A SCOPE
SCOPE scope, // - the scope
SYMBOL orig ) // - original symbol
{
SEARCH_RESULT *result; // - search result for symbol
SYMBOL sym; // - the symbol
arg_list *alist; // - arguments for function
NAME name; // - symbol name
name = orig->name->name;
alist = SymFuncArgList( orig );
if( name == CppConversionName() ) {
result = ScopeFindScopedMemberConversion( scope
, scope
, SymFuncReturnType( orig )
, alist->qualifier
);
if( result == NULL ) {
sym = NULL;
} else {
sym = result->sym;
ScopeFreeResult( result );
if( sym != NULL ) {
if( SymScope( sym ) != scope ) {
sym = NULL;
}
}
}
} else {
result = ScopeContainsMember( scope, name );
if( result == NULL ) {
sym = NULL;
} else {
sym = result->sym_name->name_syms;
// we may have found a type-name, so check for NULL
if( sym != NULL && SymIsFunction( sym ) ) {
switch( FuncOverloaded( &sym
, result
, sym
, alist
, NULL ) ) {
case FNOV_NONAMBIGUOUS :
break;
default :
sym = NULL;
break;
}
} else {
sym = NULL;
}
ScopeFreeResult( result );
}
}
return( sym );
}
SYMBOL FormatMsg( VBUF *pbuf, char *fmt, va_list arg )
/****************************************************/
// this function assumes that pbuf is initialized
// all information is concatenated to the end of pbuf
{
VBUF prefix, suffix;
char cfmt;
char local_buf[ 1 + sizeof( int ) * 2 + 1 ];
unsigned len;
SYMBOL retn_symbol;
retn_symbol = NULL;
cfmt = *fmt;
while( cfmt ) {
if( cfmt == '%' ) {
fmt++;
cfmt = *fmt;
switch( cfmt ) {
case '1': /* %01d */
case '2': /* %02d */
case '3': /* %03d */
case '4': /* %04d */
case '5': /* %05d */
case '6': /* %06d */
case '7': /* %07d */
case '8': /* %08d */
case '9': /* %09d */
len = sticpy( local_buf, va_arg( arg, int ) ) - local_buf;
leading( pbuf, '0', ( cfmt - '0' ) - len );
VbufConcStr( pbuf, local_buf );
break;
case 'c': /* %c */
VbufConcChr( pbuf, va_arg( arg, int ) );
break;
case 's': /* %s */
VbufConcStr( pbuf, va_arg( arg, char * ) );
break;
case 'u': /* %u */
VbufConcDecimal( pbuf, va_arg( arg, unsigned int ) );
break;
case 'd': /* %d */
VbufConcInteger( pbuf, va_arg( arg, int ) );
break;
case 'L': /* token location */
{ TOKEN_LOCN *locn;
locn = va_arg( arg, TOKEN_LOCN * );
if( locn == NULL ) {
VbufConcStr( pbuf, "by compiler" );
} else {
char *src_file = SrcFileName( locn->src_file );
if( src_file == NULL ) {
VbufConcStr( pbuf, "on the command line" );
} else {
if( ( CompFlags.ew_switch_used )
&&( locn->src_file == SrcFileTraceBackFile() ) ) {
VbufConcStr( pbuf, "at: " );
} else {
VbufConcStr( pbuf, "in: " );
VbufConcStr( pbuf, SrcFileName( locn->src_file ) );
}
VbufConcChr( pbuf, '(' );
VbufConcInteger( pbuf, locn->line );
if( locn->column ) {
if( CompFlags.ew_switch_used ) {
VbufConcChr( pbuf, ',' );
VbufConcInteger( pbuf, locn->column );
} else {
VbufConcStr( pbuf, ") (col " );
VbufConcInteger( pbuf, locn->column );
}
}
VbufConcChr( pbuf, ')' );
}
}
} break;
case 'N': /* name */
FormatName( va_arg( arg, NAME ), &prefix );
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
break;
case 'F': /* symbol name (decorated) */
{ SYMBOL sym;
sym = va_arg( arg, SYMBOL );
FormatSym( sym, &prefix );
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
} break;
case 'S': /* symbol name (abbreviated) */
{ SYMBOL sym;
SYMBOL_NAME sn;
NAME name;
sym = va_arg( arg, SYMBOL );
if( sym == NULL ) {
VbufConcStr( pbuf, "module data" );
} else {
if( formatClassForSym( sym, pbuf ) ) {
VbufConcStr( pbuf, "::" );
}
if( SymIsCtor( sym ) ) {
formatClassForSym( sym, pbuf );
} else if( SymIsDtor( sym ) ) {
VbufConcChr( pbuf, '~' );
formatClassForSym( sym, pbuf );
} else {
sn = sym->name;
#ifndef NDEBUG
if( sn == NULL ) {
CFatal( "FormatMsg -- %S symbol has NULL SYMBOL_NAME" );
}
#endif
name = sn->name;
#ifndef NDEBUG
if( name == NULL ) {
CFatal( "FormatMsg -- %S SYMBOL_NAME has NULL name" );
}
#endif
if( name == CppConversionName() ) {
VbufConcStr( pbuf, "operator " );
FormatType( SymFuncReturnType( sym )
, &prefix
, &suffix );
VbufFree( &suffix );
} else {
FormatName( name, &prefix );
}
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
}
if( sym->flag2 & SF2_TOKEN_LOCN ) {
DbgVerify( retn_symbol == NULL, "too many symbols" );
retn_symbol = sym;
}
}
} break;
case 'T': /* type name */
{ TYPE type = va_arg( arg, TYPE );
TYPE refed = TypeReference( type );
if( NULL != refed ) {
type = refed;
}
FormatType( type, &prefix, &suffix );
VbufConcVbuf( pbuf, &prefix );
VbufConcVbuf( pbuf, &suffix );
VbufFree( &prefix );
VbufFree( &suffix );
VbufTruncWhite( pbuf );
if( NULL != refed ) {
VbufConcStr( pbuf, " (lvalue)" );
}
} break;
case 'P': /* PTREE list */
{ const PTREE p = va_arg( arg, PTREE );
FormatPTreeList( p, &prefix );
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
} break;
case 'I': /* PTREE id */
{ const PTREE p = va_arg( arg, PTREE );
FormatPTreeId( p, &prefix );
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
} break;
case 'M': /* template info */
{ TEMPLATE_INFO * const tinfo = va_arg( arg, TEMPLATE_INFO * );
const SYMBOL sym = tinfo->sym;
FormatTemplateInfo( tinfo, &prefix );
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
if( sym->flag2 & SF2_TOKEN_LOCN ) {
DbgVerify( retn_symbol == NULL, "too many symbols" );
retn_symbol = sym;
}
} break;
case 'C': /* template specialisation */
{ TEMPLATE_SPECIALIZATION * const tspec =
va_arg( arg, TEMPLATE_SPECIALIZATION * );
FormatTemplateSpecialization( tspec, &prefix );
VbufConcVbuf( pbuf, &prefix );
VbufFree( &prefix );
} break;
default:
VbufConcChr( pbuf, cfmt );
}
} else {