369 default : ShouldNotReachHere();
370 }
371 }
372
373
374 bool SignatureStream::is_object() const {
375 return _type == T_OBJECT
376 || _type == T_ARRAY
377 || _type == T_VALUETYPE;
378 }
379
380 bool SignatureStream::is_array() const {
381 return _type == T_ARRAY;
382 }
383
384 Symbol* SignatureStream::as_symbol(TRAPS) {
385 // Create a symbol from for string _begin _end
386 int begin = _begin;
387 int end = _end;
388
389 if ( ( _signature->byte_at(_begin) == 'L' || _signature->byte_at(_begin) == 'Q' )
390 && _signature->byte_at(_end-1) == ';') {
391 begin++;
392 end--;
393 }
394
395 // Save names for cleaning up reference count at the end of
396 // SignatureStream scope.
397 Symbol* name = SymbolTable::new_symbol(_signature, begin, end, CHECK_NULL);
398 _names->push(name); // save new symbol for decrementing later
399 return name;
400 }
401
402 Klass* SignatureStream::as_klass(Handle class_loader, Handle protection_domain,
403 FailureMode failure_mode, TRAPS) {
404 if (!is_object()) return NULL;
405 Symbol* name = as_symbol(CHECK_NULL);
406 if (failure_mode == ReturnNull) {
407 return SystemDictionary::resolve_or_null(name, class_loader, protection_domain, THREAD);
408 } else {
409 bool throw_error = (failure_mode == NCDFError);
410 return SystemDictionary::resolve_or_fail(name, class_loader, protection_domain, throw_error, THREAD);
411 }
412 }
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369 default : ShouldNotReachHere();
370 }
371 }
372
373
374 bool SignatureStream::is_object() const {
375 return _type == T_OBJECT
376 || _type == T_ARRAY
377 || _type == T_VALUETYPE;
378 }
379
380 bool SignatureStream::is_array() const {
381 return _type == T_ARRAY;
382 }
383
384 Symbol* SignatureStream::as_symbol(TRAPS) {
385 // Create a symbol from for string _begin _end
386 int begin = _begin;
387 int end = _end;
388
389 if (_type == T_OBJECT || _type == T_VALUETYPE) {
390 begin++;
391 end--;
392 if (begin == end) {
393 return (_type == T_OBJECT) ? vmSymbols::java_lang_Object() : vmSymbols::java_lang____Value();
394 }
395 }
396
397 // Save names for cleaning up reference count at the end of
398 // SignatureStream scope.
399 Symbol* name = SymbolTable::new_symbol(_signature, begin, end, CHECK_NULL);
400 _names->push(name); // save new symbol for decrementing later
401 return name;
402 }
403
404 Klass* SignatureStream::as_klass(Handle class_loader, Handle protection_domain,
405 FailureMode failure_mode, TRAPS) {
406 if (!is_object()) return NULL;
407 Symbol* name = as_symbol(CHECK_NULL);
408 if (failure_mode == ReturnNull) {
409 return SystemDictionary::resolve_or_null(name, class_loader, protection_domain, THREAD);
410 } else {
411 bool throw_error = (failure_mode == NCDFError);
412 return SystemDictionary::resolve_or_fail(name, class_loader, protection_domain, throw_error, THREAD);
413 }
414 }
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