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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/compiler.h" | 7 #include "src/compiler.h" |
8 | 8 |
9 #include "src/ast-numbering.h" | 9 #include "src/ast-numbering.h" |
10 #include "src/ast-this-access-visitor.h" | 10 #include "src/ast-this-access-visitor.h" |
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1256 } else { | 1256 } else { |
1257 DCHECK(compile_options == ScriptCompiler::kConsumeParserCache || | 1257 DCHECK(compile_options == ScriptCompiler::kConsumeParserCache || |
1258 compile_options == ScriptCompiler::kConsumeCodeCache); | 1258 compile_options == ScriptCompiler::kConsumeCodeCache); |
1259 DCHECK(cached_data && *cached_data); | 1259 DCHECK(cached_data && *cached_data); |
1260 DCHECK(extension == NULL); | 1260 DCHECK(extension == NULL); |
1261 } | 1261 } |
1262 int source_length = source->length(); | 1262 int source_length = source->length(); |
1263 isolate->counters()->total_load_size()->Increment(source_length); | 1263 isolate->counters()->total_load_size()->Increment(source_length); |
1264 isolate->counters()->total_compile_size()->Increment(source_length); | 1264 isolate->counters()->total_compile_size()->Increment(source_length); |
1265 | 1265 |
| 1266 // TODO(rossberg): The natives do not yet obey strong mode rules |
| 1267 // (for example, some macros use '=='). |
| 1268 bool use_strong = FLAG_use_strong && !isolate->bootstrapper()->IsActive(); |
| 1269 LanguageMode language_mode = |
| 1270 construct_language_mode(FLAG_use_strict, use_strong); |
| 1271 |
1266 CompilationCache* compilation_cache = isolate->compilation_cache(); | 1272 CompilationCache* compilation_cache = isolate->compilation_cache(); |
1267 | 1273 |
1268 // Do a lookup in the compilation cache but not for extensions. | 1274 // Do a lookup in the compilation cache but not for extensions. |
1269 MaybeHandle<SharedFunctionInfo> maybe_result; | 1275 MaybeHandle<SharedFunctionInfo> maybe_result; |
1270 Handle<SharedFunctionInfo> result; | 1276 Handle<SharedFunctionInfo> result; |
1271 if (extension == NULL) { | 1277 if (extension == NULL) { |
1272 maybe_result = compilation_cache->LookupScript( | 1278 maybe_result = compilation_cache->LookupScript( |
1273 source, script_name, line_offset, column_offset, | 1279 source, script_name, line_offset, column_offset, |
1274 is_embedder_debug_script, is_shared_cross_origin, context); | 1280 is_embedder_debug_script, is_shared_cross_origin, context, |
| 1281 language_mode); |
1275 if (maybe_result.is_null() && FLAG_serialize_toplevel && | 1282 if (maybe_result.is_null() && FLAG_serialize_toplevel && |
1276 compile_options == ScriptCompiler::kConsumeCodeCache && | 1283 compile_options == ScriptCompiler::kConsumeCodeCache && |
1277 !isolate->debug()->is_loaded()) { | 1284 !isolate->debug()->is_loaded()) { |
1278 HistogramTimerScope timer(isolate->counters()->compile_deserialize()); | 1285 HistogramTimerScope timer(isolate->counters()->compile_deserialize()); |
1279 Handle<SharedFunctionInfo> result; | 1286 Handle<SharedFunctionInfo> result; |
1280 if (CodeSerializer::Deserialize(isolate, *cached_data, source) | 1287 if (CodeSerializer::Deserialize(isolate, *cached_data, source) |
1281 .ToHandle(&result)) { | 1288 .ToHandle(&result)) { |
1282 return result; | 1289 return result; |
1283 } | 1290 } |
1284 // Deserializer failed. Fall through to compile. | 1291 // Deserializer failed. Fall through to compile. |
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1315 info.MarkAsGlobal(); | 1322 info.MarkAsGlobal(); |
1316 } | 1323 } |
1317 info.SetCachedData(cached_data, compile_options); | 1324 info.SetCachedData(cached_data, compile_options); |
1318 info.SetExtension(extension); | 1325 info.SetExtension(extension); |
1319 info.SetContext(context); | 1326 info.SetContext(context); |
1320 if (FLAG_serialize_toplevel && | 1327 if (FLAG_serialize_toplevel && |
1321 compile_options == ScriptCompiler::kProduceCodeCache) { | 1328 compile_options == ScriptCompiler::kProduceCodeCache) { |
1322 info.PrepareForSerializing(); | 1329 info.PrepareForSerializing(); |
1323 } | 1330 } |
1324 | 1331 |
1325 LanguageMode language_mode = | |
1326 construct_language_mode(FLAG_use_strict, FLAG_use_strong); | |
1327 info.SetLanguageMode( | 1332 info.SetLanguageMode( |
1328 static_cast<LanguageMode>(info.language_mode() | language_mode)); | 1333 static_cast<LanguageMode>(info.language_mode() | language_mode)); |
1329 | |
1330 result = CompileToplevel(&info); | 1334 result = CompileToplevel(&info); |
1331 if (extension == NULL && !result.is_null() && !result->dont_cache()) { | 1335 if (extension == NULL && !result.is_null() && !result->dont_cache()) { |
1332 compilation_cache->PutScript(source, context, result); | 1336 compilation_cache->PutScript(source, context, language_mode, result); |
1333 if (FLAG_serialize_toplevel && | 1337 if (FLAG_serialize_toplevel && |
1334 compile_options == ScriptCompiler::kProduceCodeCache) { | 1338 compile_options == ScriptCompiler::kProduceCodeCache) { |
1335 HistogramTimerScope histogram_timer( | 1339 HistogramTimerScope histogram_timer( |
1336 isolate->counters()->compile_serialize()); | 1340 isolate->counters()->compile_serialize()); |
1337 *cached_data = CodeSerializer::Serialize(isolate, result, source); | 1341 *cached_data = CodeSerializer::Serialize(isolate, result, source); |
1338 if (FLAG_profile_deserialization) { | 1342 if (FLAG_profile_deserialization) { |
1339 PrintF("[Compiling and serializing took %0.3f ms]\n", | 1343 PrintF("[Compiling and serializing took %0.3f ms]\n", |
1340 timer.Elapsed().InMillisecondsF()); | 1344 timer.Elapsed().InMillisecondsF()); |
1341 } | 1345 } |
1342 } | 1346 } |
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1583 } | 1587 } |
1584 | 1588 |
1585 | 1589 |
1586 #if DEBUG | 1590 #if DEBUG |
1587 void CompilationInfo::PrintAstForTesting() { | 1591 void CompilationInfo::PrintAstForTesting() { |
1588 PrintF("--- Source from AST ---\n%s\n", | 1592 PrintF("--- Source from AST ---\n%s\n", |
1589 PrettyPrinter(isolate(), zone()).PrintProgram(function())); | 1593 PrettyPrinter(isolate(), zone()).PrintProgram(function())); |
1590 } | 1594 } |
1591 #endif | 1595 #endif |
1592 } } // namespace v8::internal | 1596 } } // namespace v8::internal |
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