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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/compiler.h" | 5 #include "src/compiler.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "src/ast-numbering.h" | 9 #include "src/ast-numbering.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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1177 shared_info->ResetForNewContext(isolate->heap()->global_ic_age()); | 1177 shared_info->ResetForNewContext(isolate->heap()->global_ic_age()); |
1178 } | 1178 } |
1179 | 1179 |
1180 return isolate->factory()->NewFunctionFromSharedFunctionInfo( | 1180 return isolate->factory()->NewFunctionFromSharedFunctionInfo( |
1181 shared_info, context, NOT_TENURED); | 1181 shared_info, context, NOT_TENURED); |
1182 } | 1182 } |
1183 | 1183 |
1184 | 1184 |
1185 Handle<SharedFunctionInfo> Compiler::CompileScript( | 1185 Handle<SharedFunctionInfo> Compiler::CompileScript( |
1186 Handle<String> source, Handle<Object> script_name, int line_offset, | 1186 Handle<String> source, Handle<Object> script_name, int line_offset, |
1187 int column_offset, bool is_embedder_debug_script, | 1187 int column_offset, ScriptOriginOptions resource_options, |
1188 bool is_shared_cross_origin, Handle<Object> source_map_url, | 1188 Handle<Object> source_map_url, Handle<Context> context, |
1189 Handle<Context> context, v8::Extension* extension, ScriptData** cached_data, | 1189 v8::Extension* extension, ScriptData** cached_data, |
1190 ScriptCompiler::CompileOptions compile_options, NativesFlag natives, | 1190 ScriptCompiler::CompileOptions compile_options, NativesFlag natives, |
1191 bool is_module) { | 1191 bool is_module) { |
1192 Isolate* isolate = source->GetIsolate(); | 1192 Isolate* isolate = source->GetIsolate(); |
1193 if (compile_options == ScriptCompiler::kNoCompileOptions) { | 1193 if (compile_options == ScriptCompiler::kNoCompileOptions) { |
1194 cached_data = NULL; | 1194 cached_data = NULL; |
1195 } else if (compile_options == ScriptCompiler::kProduceParserCache || | 1195 } else if (compile_options == ScriptCompiler::kProduceParserCache || |
1196 compile_options == ScriptCompiler::kProduceCodeCache) { | 1196 compile_options == ScriptCompiler::kProduceCodeCache) { |
1197 DCHECK(cached_data && !*cached_data); | 1197 DCHECK(cached_data && !*cached_data); |
1198 DCHECK(extension == NULL); | 1198 DCHECK(extension == NULL); |
1199 DCHECK(!isolate->debug()->is_loaded()); | 1199 DCHECK(!isolate->debug()->is_loaded()); |
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1214 construct_language_mode(FLAG_use_strict, use_strong); | 1214 construct_language_mode(FLAG_use_strict, use_strong); |
1215 | 1215 |
1216 CompilationCache* compilation_cache = isolate->compilation_cache(); | 1216 CompilationCache* compilation_cache = isolate->compilation_cache(); |
1217 | 1217 |
1218 // Do a lookup in the compilation cache but not for extensions. | 1218 // Do a lookup in the compilation cache but not for extensions. |
1219 MaybeHandle<SharedFunctionInfo> maybe_result; | 1219 MaybeHandle<SharedFunctionInfo> maybe_result; |
1220 Handle<SharedFunctionInfo> result; | 1220 Handle<SharedFunctionInfo> result; |
1221 if (extension == NULL) { | 1221 if (extension == NULL) { |
1222 // First check per-isolate compilation cache. | 1222 // First check per-isolate compilation cache. |
1223 maybe_result = compilation_cache->LookupScript( | 1223 maybe_result = compilation_cache->LookupScript( |
1224 source, script_name, line_offset, column_offset, | 1224 source, script_name, line_offset, column_offset, resource_options, |
1225 is_embedder_debug_script, is_shared_cross_origin, context, | 1225 context, language_mode); |
1226 language_mode); | |
1227 if (maybe_result.is_null() && FLAG_serialize_toplevel && | 1226 if (maybe_result.is_null() && FLAG_serialize_toplevel && |
1228 compile_options == ScriptCompiler::kConsumeCodeCache && | 1227 compile_options == ScriptCompiler::kConsumeCodeCache && |
1229 !isolate->debug()->is_loaded()) { | 1228 !isolate->debug()->is_loaded()) { |
1230 // Then check cached code provided by embedder. | 1229 // Then check cached code provided by embedder. |
1231 HistogramTimerScope timer(isolate->counters()->compile_deserialize()); | 1230 HistogramTimerScope timer(isolate->counters()->compile_deserialize()); |
1232 Handle<SharedFunctionInfo> result; | 1231 Handle<SharedFunctionInfo> result; |
1233 if (CodeSerializer::Deserialize(isolate, *cached_data, source) | 1232 if (CodeSerializer::Deserialize(isolate, *cached_data, source) |
1234 .ToHandle(&result)) { | 1233 .ToHandle(&result)) { |
1235 // Promote to per-isolate compilation cache. | 1234 // Promote to per-isolate compilation cache. |
1236 DCHECK(!result->dont_cache()); | 1235 DCHECK(!result->dont_cache()); |
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1253 // Create a script object describing the script to be compiled. | 1252 // Create a script object describing the script to be compiled. |
1254 Handle<Script> script = isolate->factory()->NewScript(source); | 1253 Handle<Script> script = isolate->factory()->NewScript(source); |
1255 if (natives == NATIVES_CODE) { | 1254 if (natives == NATIVES_CODE) { |
1256 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); | 1255 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); |
1257 } | 1256 } |
1258 if (!script_name.is_null()) { | 1257 if (!script_name.is_null()) { |
1259 script->set_name(*script_name); | 1258 script->set_name(*script_name); |
1260 script->set_line_offset(Smi::FromInt(line_offset)); | 1259 script->set_line_offset(Smi::FromInt(line_offset)); |
1261 script->set_column_offset(Smi::FromInt(column_offset)); | 1260 script->set_column_offset(Smi::FromInt(column_offset)); |
1262 } | 1261 } |
1263 script->set_is_shared_cross_origin(is_shared_cross_origin); | 1262 script->set_origin_options(resource_options); |
1264 script->set_is_embedder_debug_script(is_embedder_debug_script); | |
1265 if (!source_map_url.is_null()) { | 1263 if (!source_map_url.is_null()) { |
1266 script->set_source_mapping_url(*source_map_url); | 1264 script->set_source_mapping_url(*source_map_url); |
1267 } | 1265 } |
1268 | 1266 |
1269 // Compile the function and add it to the cache. | 1267 // Compile the function and add it to the cache. |
1270 Zone zone; | 1268 Zone zone; |
1271 ParseInfo parse_info(&zone, script); | 1269 ParseInfo parse_info(&zone, script); |
1272 CompilationInfo info(&parse_info); | 1270 CompilationInfo info(&parse_info); |
1273 if (FLAG_harmony_modules && is_module) { | 1271 if (FLAG_harmony_modules && is_module) { |
1274 parse_info.set_module(); | 1272 parse_info.set_module(); |
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1565 } | 1563 } |
1566 | 1564 |
1567 | 1565 |
1568 #if DEBUG | 1566 #if DEBUG |
1569 void CompilationInfo::PrintAstForTesting() { | 1567 void CompilationInfo::PrintAstForTesting() { |
1570 PrintF("--- Source from AST ---\n%s\n", | 1568 PrintF("--- Source from AST ---\n%s\n", |
1571 PrettyPrinter(isolate(), zone()).PrintProgram(function())); | 1569 PrettyPrinter(isolate(), zone()).PrintProgram(function())); |
1572 } | 1570 } |
1573 #endif | 1571 #endif |
1574 } } // namespace v8::internal | 1572 } } // namespace v8::internal |
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