Source positions for constructors and lots of async machinery

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 2676 matching lines @@
   const Class& owner = Class::Handle(closure_function.Owner());
   Function& extractor = Function::Handle(
     Function::New(String::Handle(Symbols::New(getter_name)),
                   RawFunction::kMethodExtractor,
                   false,  // Not static.
                   false,  // Not const.
                   false,  // Not abstract.
                   false,  // Not external.
                   false,  // Not native.
                   owner,
-                  0));    // token_pos
+                  ClassifyingTokenPositions::kMethodExtractor));  // token_pos
 
   // Initialize signature: receiver is a single fixed parameter.
   const intptr_t kNumParameters = 1;
   extractor.set_num_fixed_parameters(kNumParameters);
   extractor.SetNumOptionalParameters(0, 0);
   extractor.set_parameter_types(Object::extractor_parameter_types());
   extractor.set_parameter_names(Object::extractor_parameter_names());
   extractor.set_result_type(Object::dynamic_type());
 
   extractor.set_extracted_method_closure(closure_function);
@@ skipping 3072 matching lines @@
 
 
 void Function::set_recognized_kind(MethodRecognizer::Kind value) const {
   // Prevent multiple settings of kind.
   ASSERT((value == MethodRecognizer::kUnknown) || !IsRecognized());
   set_kind_tag(RecognizedBits::update(value, raw_ptr()->kind_tag_));
 }
 
 
 void Function::set_token_pos(intptr_t token_pos) const {
-  ASSERT(token_pos >= 0);
+  ASSERT((token_pos >= 0) || IsMethodExtractor());
   StoreNonPointer(&raw_ptr()->token_pos_, token_pos);
 }
 
 
 void Function::set_kind_tag(intptr_t value) const {
   StoreNonPointer(&raw_ptr()->kind_tag_, static_cast<uint32_t>(value));
 }
 
 
 void Function::set_num_fixed_parameters(intptr_t value) const {
@@ skipping 2739 matching lines @@
     : tokens_(TokenStream::Handle(tokens.raw())),
       data_(ExternalTypedData::Handle(tokens.GetStream())),
       stream_(reinterpret_cast<uint8_t*>(data_.DataAddr(0)), data_.Length()),
       token_objects_(Array::Handle(
           GrowableObjectArray::Handle(tokens.TokenObjects()).data())),
       obj_(Object::Handle()),
       cur_token_pos_(token_pos),
       cur_token_kind_(Token::kILLEGAL),
       cur_token_obj_index_(-1),
       stream_type_(stream_type) {
-  SetCurrentPosition(token_pos);
+  ASSERT(token_pos != Scanner::kNoSourcePos);
+  if (token_pos >= 0) {
+    SetCurrentPosition(token_pos);
+  }
 }
 
 
 void TokenStream::Iterator::SetStream(const TokenStream& tokens,
                                       intptr_t token_pos) {
   tokens_ = tokens.raw();
   data_ = tokens.GetStream();
   stream_.SetStream(reinterpret_cast<uint8_t*>(data_.DataAddr(0)),
                     data_.Length());
   token_objects_ = GrowableObjectArray::Handle(tokens.TokenObjects()).data();
@@ skipping 13539 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart