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Issue 879553002: [V8] Added Script::is_debugger_script flag for embedders (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 11 months ago
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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"
(...skipping 1246 matching lines...) Expand 10 before | Expand all | Expand 10 after
1257 shared_info->ResetForNewContext(isolate->heap()->global_ic_age()); 1257 shared_info->ResetForNewContext(isolate->heap()->global_ic_age());
1258 } 1258 }
1259 1259
1260 return isolate->factory()->NewFunctionFromSharedFunctionInfo( 1260 return isolate->factory()->NewFunctionFromSharedFunctionInfo(
1261 shared_info, context, NOT_TENURED); 1261 shared_info, context, NOT_TENURED);
1262 } 1262 }
1263 1263
1264 1264
1265 Handle<SharedFunctionInfo> Compiler::CompileScript( 1265 Handle<SharedFunctionInfo> Compiler::CompileScript(
1266 Handle<String> source, Handle<Object> script_name, int line_offset, 1266 Handle<String> source, Handle<Object> script_name, int line_offset,
1267 int column_offset, bool is_shared_cross_origin, Handle<Context> context, 1267 int column_offset, bool is_internal_script, bool is_shared_cross_origin,
1268 v8::Extension* extension, ScriptData** cached_data, 1268 Handle<Context> context, v8::Extension* extension, ScriptData** cached_data,
1269 ScriptCompiler::CompileOptions compile_options, NativesFlag natives) { 1269 ScriptCompiler::CompileOptions compile_options, NativesFlag natives) {
1270 Isolate* isolate = source->GetIsolate(); 1270 Isolate* isolate = source->GetIsolate();
1271 HistogramTimerScope total(isolate->counters()->compile_script(), true); 1271 HistogramTimerScope total(isolate->counters()->compile_script(), true);
1272 1272
1273 if (compile_options == ScriptCompiler::kNoCompileOptions) { 1273 if (compile_options == ScriptCompiler::kNoCompileOptions) {
1274 cached_data = NULL; 1274 cached_data = NULL;
1275 } else if (compile_options == ScriptCompiler::kProduceParserCache || 1275 } else if (compile_options == ScriptCompiler::kProduceParserCache ||
1276 compile_options == ScriptCompiler::kProduceCodeCache) { 1276 compile_options == ScriptCompiler::kProduceCodeCache) {
1277 DCHECK(cached_data && !*cached_data); 1277 DCHECK(cached_data && !*cached_data);
1278 DCHECK(extension == NULL); 1278 DCHECK(extension == NULL);
1279 DCHECK(!isolate->debug()->is_loaded()); 1279 DCHECK(!isolate->debug()->is_loaded());
1280 } else { 1280 } else {
1281 DCHECK(compile_options == ScriptCompiler::kConsumeParserCache || 1281 DCHECK(compile_options == ScriptCompiler::kConsumeParserCache ||
1282 compile_options == ScriptCompiler::kConsumeCodeCache); 1282 compile_options == ScriptCompiler::kConsumeCodeCache);
1283 DCHECK(cached_data && *cached_data); 1283 DCHECK(cached_data && *cached_data);
1284 DCHECK(extension == NULL); 1284 DCHECK(extension == NULL);
1285 } 1285 }
1286 int source_length = source->length(); 1286 int source_length = source->length();
1287 isolate->counters()->total_load_size()->Increment(source_length); 1287 isolate->counters()->total_load_size()->Increment(source_length);
1288 isolate->counters()->total_compile_size()->Increment(source_length); 1288 isolate->counters()->total_compile_size()->Increment(source_length);
1289 1289
1290 CompilationCache* compilation_cache = isolate->compilation_cache(); 1290 CompilationCache* compilation_cache = isolate->compilation_cache();
1291 1291
1292 // Do a lookup in the compilation cache but not for extensions. 1292 // Do a lookup in the compilation cache but not for extensions.
1293 MaybeHandle<SharedFunctionInfo> maybe_result; 1293 MaybeHandle<SharedFunctionInfo> maybe_result;
1294 Handle<SharedFunctionInfo> result; 1294 Handle<SharedFunctionInfo> result;
1295 if (extension == NULL) { 1295 if (extension == NULL) {
1296 maybe_result = compilation_cache->LookupScript( 1296 maybe_result = compilation_cache->LookupScript(
1297 source, script_name, line_offset, column_offset, is_shared_cross_origin, 1297 source, script_name, line_offset, column_offset, is_internal_script,
1298 context); 1298 is_shared_cross_origin, context);
1299 if (maybe_result.is_null() && FLAG_serialize_toplevel && 1299 if (maybe_result.is_null() && FLAG_serialize_toplevel &&
1300 compile_options == ScriptCompiler::kConsumeCodeCache && 1300 compile_options == ScriptCompiler::kConsumeCodeCache &&
1301 !isolate->debug()->is_loaded()) { 1301 !isolate->debug()->is_loaded()) {
1302 HistogramTimerScope timer(isolate->counters()->compile_deserialize()); 1302 HistogramTimerScope timer(isolate->counters()->compile_deserialize());
1303 Handle<SharedFunctionInfo> result; 1303 Handle<SharedFunctionInfo> result;
1304 if (CodeSerializer::Deserialize(isolate, *cached_data, source) 1304 if (CodeSerializer::Deserialize(isolate, *cached_data, source)
1305 .ToHandle(&result)) { 1305 .ToHandle(&result)) {
1306 return result; 1306 return result;
1307 } 1307 }
1308 // Deserializer failed. Fall through to compile. 1308 // Deserializer failed. Fall through to compile.
(...skipping 13 matching lines...) Expand all
1322 Handle<Script> script = isolate->factory()->NewScript(source); 1322 Handle<Script> script = isolate->factory()->NewScript(source);
1323 if (natives == NATIVES_CODE) { 1323 if (natives == NATIVES_CODE) {
1324 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); 1324 script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
1325 } 1325 }
1326 if (!script_name.is_null()) { 1326 if (!script_name.is_null()) {
1327 script->set_name(*script_name); 1327 script->set_name(*script_name);
1328 script->set_line_offset(Smi::FromInt(line_offset)); 1328 script->set_line_offset(Smi::FromInt(line_offset));
1329 script->set_column_offset(Smi::FromInt(column_offset)); 1329 script->set_column_offset(Smi::FromInt(column_offset));
1330 } 1330 }
1331 script->set_is_shared_cross_origin(is_shared_cross_origin); 1331 script->set_is_shared_cross_origin(is_shared_cross_origin);
1332 script->set_is_internal_script(is_internal_script);
1332 1333
1333 // Compile the function and add it to the cache. 1334 // Compile the function and add it to the cache.
1334 CompilationInfoWithZone info(script); 1335 CompilationInfoWithZone info(script);
1335 info.MarkAsGlobal(); 1336 info.MarkAsGlobal();
1336 info.SetCachedData(cached_data, compile_options); 1337 info.SetCachedData(cached_data, compile_options);
1337 info.SetExtension(extension); 1338 info.SetExtension(extension);
1338 info.SetContext(context); 1339 info.SetContext(context);
1339 if (FLAG_serialize_toplevel && 1340 if (FLAG_serialize_toplevel &&
1340 compile_options == ScriptCompiler::kProduceCodeCache) { 1341 compile_options == ScriptCompiler::kProduceCodeCache) {
1341 info.PrepareForSerializing(); 1342 info.PrepareForSerializing();
(...skipping 241 matching lines...) Expand 10 before | Expand all | Expand 10 after
1583 AllowHandleDereference allow_deref; 1584 AllowHandleDereference allow_deref;
1584 bool tracing_on = info()->IsStub() 1585 bool tracing_on = info()->IsStub()
1585 ? FLAG_trace_hydrogen_stubs 1586 ? FLAG_trace_hydrogen_stubs
1586 : (FLAG_trace_hydrogen && 1587 : (FLAG_trace_hydrogen &&
1587 info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter)); 1588 info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
1588 return (tracing_on && 1589 return (tracing_on &&
1589 base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); 1590 base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
1590 } 1591 }
1591 1592
1592 } } // namespace v8::internal 1593 } } // namespace v8::internal
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