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Issue 12335111: Resubmit change 19074. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 9 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/object_store.h" 5 #include "vm/object_store.h"
6 6
7 #include "vm/exceptions.h" 7 #include "vm/exceptions.h"
8 #include "vm/isolate.h" 8 #include "vm/isolate.h"
9 #include "vm/object.h" 9 #include "vm/object.h"
10 #include "vm/raw_object.h" 10 #include "vm/raw_object.h"
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
80 scalarlist_library_(Library::null()), 80 scalarlist_library_(Library::null()),
81 uri_library_(Library::null()), 81 uri_library_(Library::null()),
82 utf_library_(Library::null()), 82 utf_library_(Library::null()),
83 libraries_(GrowableObjectArray::null()), 83 libraries_(GrowableObjectArray::null()),
84 pending_classes_(GrowableObjectArray::null()), 84 pending_classes_(GrowableObjectArray::null()),
85 sticky_error_(Error::null()), 85 sticky_error_(Error::null()),
86 unhandled_exception_handler_(String::null()), 86 unhandled_exception_handler_(String::null()),
87 empty_context_(Context::null()), 87 empty_context_(Context::null()),
88 stack_overflow_(Instance::null()), 88 stack_overflow_(Instance::null()),
89 out_of_memory_(Instance::null()), 89 out_of_memory_(Instance::null()),
90 preallocated_stack_trace_(Stacktrace::null()),
90 keyword_symbols_(Array::null()), 91 keyword_symbols_(Array::null()),
91 receive_port_create_function_(Function::null()), 92 receive_port_create_function_(Function::null()),
92 lookup_receive_port_function_(Function::null()), 93 lookup_receive_port_function_(Function::null()),
93 handle_message_function_(Function::null()) { 94 handle_message_function_(Function::null()) {
94 } 95 }
95 96
96 97
97 ObjectStore::~ObjectStore() { 98 ObjectStore::~ObjectStore() {
98 } 99 }
99 100
100 101
101 void ObjectStore::VisitObjectPointers(ObjectPointerVisitor* visitor) { 102 void ObjectStore::VisitObjectPointers(ObjectPointerVisitor* visitor) {
102 ASSERT(visitor != NULL); 103 ASSERT(visitor != NULL);
103 visitor->VisitPointers(from(), to()); 104 visitor->VisitPointers(from(), to());
104 } 105 }
105 106
106 107
107 void ObjectStore::Init(Isolate* isolate) { 108 void ObjectStore::Init(Isolate* isolate) {
108 ASSERT(isolate->object_store() == NULL); 109 ASSERT(isolate->object_store() == NULL);
109 ObjectStore* store = new ObjectStore(); 110 ObjectStore* store = new ObjectStore();
110 isolate->set_object_store(store); 111 isolate->set_object_store(store);
111 } 112 }
112 113
113 114
114 bool ObjectStore::PreallocateObjects() { 115 bool ObjectStore::PreallocateObjects() {
115 Isolate* isolate = Isolate::Current(); 116 Isolate* isolate = Isolate::Current();
116 ASSERT(isolate != NULL && isolate->object_store() == this); 117 ASSERT(isolate != NULL && isolate->object_store() == this);
117 if (this->stack_overflow() != Instance::null() && 118 if (this->stack_overflow() != Instance::null()) {
118 this->out_of_memory() != Instance::null()) { 119 ASSERT(this->out_of_memory() != Instance::null());
120 ASSERT(this->preallocated_stack_trace() != Stacktrace::null());
119 return true; 121 return true;
120 } 122 }
121 ASSERT(this->stack_overflow() == Instance::null()); 123 ASSERT(this->stack_overflow() == Instance::null());
122 ASSERT(this->out_of_memory() == Instance::null()); 124 ASSERT(this->out_of_memory() == Instance::null());
125 ASSERT(this->preallocated_stack_trace() == Stacktrace::null());
123 // TODO(regis): Reenable this code for arm and mips when possible. 126 // TODO(regis): Reenable this code for arm and mips when possible.
124 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64) 127 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
125 Object& result = Object::Handle(); 128 Object& result = Object::Handle();
126 129
127 result = Exceptions::Create(Exceptions::kStackOverflow, 130 result = Exceptions::Create(Exceptions::kStackOverflow,
128 Object::empty_array()); 131 Object::empty_array());
129 if (result.IsError()) { 132 if (result.IsError()) {
130 return false; 133 return false;
131 } 134 }
132 set_stack_overflow(Instance::Cast(result)); 135 set_stack_overflow(Instance::Cast(result));
133 136
134 result = Exceptions::Create(Exceptions::kOutOfMemory, Object::empty_array()); 137 result = Exceptions::Create(Exceptions::kOutOfMemory, Object::empty_array());
135 if (result.IsError()) { 138 if (result.IsError()) {
136 return false; 139 return false;
137 } 140 }
138 set_out_of_memory(Instance::Cast(result)); 141 set_out_of_memory(Instance::Cast(result));
142 const Array& func_array = Array::Handle(
143 isolate,
144 Array::New(Stacktrace::kPreallocatedStackdepth, Heap::kOld));
145 const Array& code_array = Array::Handle(
146 isolate,
147 Array::New(Stacktrace::kPreallocatedStackdepth, Heap::kOld));
148 const Array& pc_offset_array = Array::Handle(
149 isolate,
150 Array::New(Stacktrace::kPreallocatedStackdepth, Heap::kOld));
151 result = Stacktrace::New(func_array, code_array, pc_offset_array);
152 set_preallocated_stack_trace(Stacktrace::Cast(result));
139 #endif 153 #endif
140 return true; 154 return true;
141 } 155 }
142 156
143 157
144 void ObjectStore::InitKeywordTable() { 158 void ObjectStore::InitKeywordTable() {
145 // Set up the keywords symbol array so that we can access it while scanning. 159 // Set up the keywords symbol array so that we can access it while scanning.
146 Array& keywords = Array::Handle(keyword_symbols()); 160 Array& keywords = Array::Handle(keyword_symbols());
147 ASSERT(keywords.IsNull()); 161 ASSERT(keywords.IsNull());
148 keywords = Array::New(Token::numKeywords, Heap::kOld); 162 keywords = Array::New(Token::numKeywords, Heap::kOld);
149 ASSERT(!keywords.IsError() && !keywords.IsNull()); 163 ASSERT(!keywords.IsError() && !keywords.IsNull());
150 set_keyword_symbols(keywords); 164 set_keyword_symbols(keywords);
151 } 165 }
152 166
153 } // namespace dart 167 } // namespace dart
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