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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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40 #include "snapshot.h" | 40 #include "snapshot.h" |
41 #include "extensions/externalize-string-extension.h" | 41 #include "extensions/externalize-string-extension.h" |
42 #include "extensions/gc-extension.h" | 42 #include "extensions/gc-extension.h" |
43 | 43 |
44 namespace v8 { | 44 namespace v8 { |
45 namespace internal { | 45 namespace internal { |
46 | 46 |
47 | 47 |
48 NativesExternalStringResource::NativesExternalStringResource( | 48 NativesExternalStringResource::NativesExternalStringResource( |
49 Bootstrapper* bootstrapper, | 49 Bootstrapper* bootstrapper, |
50 const char* source) | 50 const char* source, |
51 : data_(source), length_(StrLength(source)) { | 51 size_t length) |
| 52 : data_(source), length_(length) { |
52 if (bootstrapper->delete_these_non_arrays_on_tear_down_ == NULL) { | 53 if (bootstrapper->delete_these_non_arrays_on_tear_down_ == NULL) { |
53 bootstrapper->delete_these_non_arrays_on_tear_down_ = new List<char*>(2); | 54 bootstrapper->delete_these_non_arrays_on_tear_down_ = new List<char*>(2); |
54 } | 55 } |
55 // The resources are small objects and we only make a fixed number of | 56 // The resources are small objects and we only make a fixed number of |
56 // them, but let's clean them up on exit for neatness. | 57 // them, but let's clean them up on exit for neatness. |
57 bootstrapper->delete_these_non_arrays_on_tear_down_-> | 58 bootstrapper->delete_these_non_arrays_on_tear_down_-> |
58 Add(reinterpret_cast<char*>(this)); | 59 Add(reinterpret_cast<char*>(this)); |
59 } | 60 } |
60 | 61 |
61 | 62 |
62 Bootstrapper::Bootstrapper() | 63 Bootstrapper::Bootstrapper() |
63 : nesting_(0), | 64 : nesting_(0), |
64 extensions_cache_(Script::TYPE_EXTENSION), | 65 extensions_cache_(Script::TYPE_EXTENSION), |
65 delete_these_non_arrays_on_tear_down_(NULL), | 66 delete_these_non_arrays_on_tear_down_(NULL), |
66 delete_these_arrays_on_tear_down_(NULL) { | 67 delete_these_arrays_on_tear_down_(NULL) { |
67 } | 68 } |
68 | 69 |
69 | 70 |
70 Handle<String> Bootstrapper::NativesSourceLookup(int index) { | 71 Handle<String> Bootstrapper::NativesSourceLookup(int index) { |
71 ASSERT(0 <= index && index < Natives::GetBuiltinsCount()); | 72 ASSERT(0 <= index && index < Natives::GetBuiltinsCount()); |
72 Isolate* isolate = Isolate::Current(); | 73 Isolate* isolate = Isolate::Current(); |
73 Factory* factory = isolate->factory(); | 74 Factory* factory = isolate->factory(); |
74 Heap* heap = isolate->heap(); | 75 Heap* heap = isolate->heap(); |
75 if (heap->natives_source_cache()->get(index)->IsUndefined()) { | 76 if (heap->natives_source_cache()->get(index)->IsUndefined()) { |
76 if (!Snapshot::IsEnabled() || FLAG_new_snapshot) { | 77 if (!Snapshot::IsEnabled() || FLAG_new_snapshot) { |
77 // We can use external strings for the natives. | 78 // We can use external strings for the natives. |
| 79 Vector<const char> source = Natives::GetRawScriptSource(index); |
78 NativesExternalStringResource* resource = | 80 NativesExternalStringResource* resource = |
79 new NativesExternalStringResource(this, | 81 new NativesExternalStringResource(this, |
80 Natives::GetScriptSource(index).start()); | 82 source.start(), |
| 83 source.length()); |
81 Handle<String> source_code = | 84 Handle<String> source_code = |
82 factory->NewExternalStringFromAscii(resource); | 85 factory->NewExternalStringFromAscii(resource); |
83 heap->natives_source_cache()->set(index, *source_code); | 86 heap->natives_source_cache()->set(index, *source_code); |
84 } else { | 87 } else { |
85 // Old snapshot code can't cope with external strings at all. | 88 // Old snapshot code can't cope with external strings at all. |
86 Handle<String> source_code = | 89 Handle<String> source_code = |
87 factory->NewStringFromAscii(Natives::GetScriptSource(index)); | 90 factory->NewStringFromAscii(Natives::GetRawScriptSource(index)); |
88 heap->natives_source_cache()->set(index, *source_code); | 91 heap->natives_source_cache()->set(index, *source_code); |
89 } | 92 } |
90 } | 93 } |
91 Handle<Object> cached_source(heap->natives_source_cache()->get(index)); | 94 Handle<Object> cached_source(heap->natives_source_cache()->get(index)); |
92 return Handle<String>::cast(cached_source); | 95 return Handle<String>::cast(cached_source); |
93 } | 96 } |
94 | 97 |
95 | 98 |
96 void Bootstrapper::Initialize(bool create_heap_objects) { | 99 void Bootstrapper::Initialize(bool create_heap_objects) { |
97 extensions_cache_.Initialize(create_heap_objects); | 100 extensions_cache_.Initialize(create_heap_objects); |
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1175 Handle<String> source_code = | 1178 Handle<String> source_code = |
1176 isolate->bootstrapper()->NativesSourceLookup(index); | 1179 isolate->bootstrapper()->NativesSourceLookup(index); |
1177 return CompileNative(name, source_code); | 1180 return CompileNative(name, source_code); |
1178 } | 1181 } |
1179 | 1182 |
1180 | 1183 |
1181 bool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) { | 1184 bool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) { |
1182 Vector<const char> name = ExperimentalNatives::GetScriptName(index); | 1185 Vector<const char> name = ExperimentalNatives::GetScriptName(index); |
1183 Factory* factory = isolate->factory(); | 1186 Factory* factory = isolate->factory(); |
1184 Handle<String> source_code = | 1187 Handle<String> source_code = |
1185 factory->NewStringFromAscii(ExperimentalNatives::GetScriptSource(index)); | 1188 factory->NewStringFromAscii( |
| 1189 ExperimentalNatives::GetRawScriptSource(index)); |
1186 return CompileNative(name, source_code); | 1190 return CompileNative(name, source_code); |
1187 } | 1191 } |
1188 | 1192 |
1189 | 1193 |
1190 bool Genesis::CompileNative(Vector<const char> name, Handle<String> source) { | 1194 bool Genesis::CompileNative(Vector<const char> name, Handle<String> source) { |
1191 HandleScope scope; | 1195 HandleScope scope; |
1192 Isolate* isolate = source->GetIsolate(); | 1196 Isolate* isolate = source->GetIsolate(); |
1193 #ifdef ENABLE_DEBUGGER_SUPPORT | 1197 #ifdef ENABLE_DEBUGGER_SUPPORT |
1194 isolate->debugger()->set_compiling_natives(true); | 1198 isolate->debugger()->set_compiling_natives(true); |
1195 #endif | 1199 #endif |
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2176 return from + sizeof(NestingCounterType); | 2180 return from + sizeof(NestingCounterType); |
2177 } | 2181 } |
2178 | 2182 |
2179 | 2183 |
2180 // Called when the top-level V8 mutex is destroyed. | 2184 // Called when the top-level V8 mutex is destroyed. |
2181 void Bootstrapper::FreeThreadResources() { | 2185 void Bootstrapper::FreeThreadResources() { |
2182 ASSERT(!IsActive()); | 2186 ASSERT(!IsActive()); |
2183 } | 2187 } |
2184 | 2188 |
2185 } } // namespace v8::internal | 2189 } } // namespace v8::internal |
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