Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(197)

Side by Side Diff: src/runtime/runtime-debug.cc

Issue 1228763006: Version 4.6.13.1 (cherry-pick) (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@4.6.13
Patch Set: Created 5 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/debug.cc ('k') | test/mjsunit/es6/debug-blockscopes.js » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/accessors.h" 7 #include "src/accessors.h"
8 #include "src/arguments.h" 8 #include "src/arguments.h"
9 #include "src/compiler.h" 9 #include "src/compiler.h"
10 #include "src/debug.h" 10 #include "src/debug.h"
(...skipping 511 matching lines...) Expand 10 before | Expand all | Expand 10 after
522 : frame_->LookupCode()->SourcePosition(frame_->pc()); 522 : frame_->LookupCode()->SourcePosition(frame_->pc());
523 } 523 }
524 bool IsConstructor() { 524 bool IsConstructor() {
525 return is_optimized_ && !is_bottommost_ 525 return is_optimized_ && !is_bottommost_
526 ? deoptimized_frame_->HasConstructStub() 526 ? deoptimized_frame_->HasConstructStub()
527 : frame_->IsConstructor(); 527 : frame_->IsConstructor();
528 } 528 }
529 Object* GetContext() { 529 Object* GetContext() {
530 return is_optimized_ ? deoptimized_frame_->GetContext() : frame_->context(); 530 return is_optimized_ ? deoptimized_frame_->GetContext() : frame_->context();
531 } 531 }
532 JavaScriptFrame* GetArgumentsFrame() { return frame_; }
533 532
534 // To inspect all the provided arguments the frame might need to be 533 // To inspect all the provided arguments the frame might need to be
535 // replaced with the arguments frame. 534 // replaced with the arguments frame.
536 void SetArgumentsFrame(JavaScriptFrame* frame) { 535 void SetArgumentsFrame(JavaScriptFrame* frame) {
537 DCHECK(has_adapted_arguments_); 536 DCHECK(has_adapted_arguments_);
538 frame_ = frame; 537 frame_ = frame;
539 is_optimized_ = frame_->is_optimized(); 538 is_optimized_ = frame_->is_optimized();
540 DCHECK(!is_optimized_); 539 DCHECK(!is_optimized_);
541 } 540 }
542 541
(...skipping 410 matching lines...) Expand 10 before | Expand all | Expand 10 after
953 952
954 MaterializeStackLocalsWithFrameInspector(isolate, target, scope_info, 953 MaterializeStackLocalsWithFrameInspector(isolate, target, scope_info,
955 frame_inspector); 954 frame_inspector);
956 } 955 }
957 956
958 957
959 static void UpdateStackLocalsFromMaterializedObject( 958 static void UpdateStackLocalsFromMaterializedObject(
960 Isolate* isolate, Handle<JSObject> target, Handle<ScopeInfo> scope_info, 959 Isolate* isolate, Handle<JSObject> target, Handle<ScopeInfo> scope_info,
961 JavaScriptFrame* frame, int inlined_jsframe_index) { 960 JavaScriptFrame* frame, int inlined_jsframe_index) {
962 if (inlined_jsframe_index != 0 || frame->is_optimized()) { 961 if (inlined_jsframe_index != 0 || frame->is_optimized()) {
963 // Optimized frames are not supported. Simply give up. 962 // Optimized frames are not supported.
963 // TODO(yangguo): make sure all code deoptimized when debugger is active
964 // and assert that this cannot happen.
964 return; 965 return;
965 } 966 }
966 967
967 // Parameters. 968 // Parameters.
968 for (int i = 0; i < scope_info->ParameterCount(); ++i) { 969 for (int i = 0; i < scope_info->ParameterCount(); ++i) {
969 // Shadowed parameters were not materialized. 970 // Shadowed parameters were not materialized.
970 Handle<String> name(scope_info->ParameterName(i)); 971 Handle<String> name(scope_info->ParameterName(i));
971 if (ParameterIsShadowedByContextLocal(scope_info, name)) continue; 972 if (ParameterIsShadowedByContextLocal(scope_info, name)) continue;
972 973
973 DCHECK(!frame->GetParameter(i)->IsTheHole()); 974 DCHECK(!frame->GetParameter(i)->IsTheHole());
(...skipping 12 matching lines...) Expand all
986 Handle<Object> value = Object::GetPropertyOrElement( 987 Handle<Object> value = Object::GetPropertyOrElement(
987 target, handle(scope_info->StackLocalName(i), 988 target, handle(scope_info->StackLocalName(i),
988 isolate)).ToHandleChecked(); 989 isolate)).ToHandleChecked();
989 frame->SetExpression(index, *value); 990 frame->SetExpression(index, *value);
990 } 991 }
991 } 992 }
992 993
993 994
994 MUST_USE_RESULT static MaybeHandle<JSObject> MaterializeLocalContext( 995 MUST_USE_RESULT static MaybeHandle<JSObject> MaterializeLocalContext(
995 Isolate* isolate, Handle<JSObject> target, Handle<JSFunction> function, 996 Isolate* isolate, Handle<JSObject> target, Handle<JSFunction> function,
996 Handle<Context> frame_context) { 997 JavaScriptFrame* frame) {
997 HandleScope scope(isolate); 998 HandleScope scope(isolate);
998 Handle<SharedFunctionInfo> shared(function->shared()); 999 Handle<SharedFunctionInfo> shared(function->shared());
999 Handle<ScopeInfo> scope_info(shared->scope_info()); 1000 Handle<ScopeInfo> scope_info(shared->scope_info());
1000 1001
1001 if (!scope_info->HasContext()) return target; 1002 if (!scope_info->HasContext()) return target;
1002 1003
1003 // Third fill all context locals. 1004 // Third fill all context locals.
1005 Handle<Context> frame_context(Context::cast(frame->context()));
1004 Handle<Context> function_context(frame_context->declaration_context()); 1006 Handle<Context> function_context(frame_context->declaration_context());
1005 ScopeInfo::CopyContextLocalsToScopeObject(scope_info, function_context, 1007 ScopeInfo::CopyContextLocalsToScopeObject(scope_info, function_context,
1006 target); 1008 target);
1007 1009
1008 // Finally copy any properties from the function context extension. 1010 // Finally copy any properties from the function context extension.
1009 // These will be variables introduced by eval. 1011 // These will be variables introduced by eval.
1010 if (function_context->closure() == *function) { 1012 if (function_context->closure() == *function) {
1011 if (function_context->has_extension() && 1013 if (function_context->has_extension() &&
1012 !function_context->IsNativeContext()) { 1014 !function_context->IsNativeContext()) {
1013 Handle<JSObject> ext(JSObject::cast(function_context->extension())); 1015 Handle<JSObject> ext(JSObject::cast(function_context->extension()));
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after
1049 ScriptContextTable::GetContext(script_contexts, context_index); 1051 ScriptContextTable::GetContext(script_contexts, context_index);
1050 Handle<ScopeInfo> scope_info(ScopeInfo::cast(context->extension())); 1052 Handle<ScopeInfo> scope_info(ScopeInfo::cast(context->extension()));
1051 ScopeInfo::CopyContextLocalsToScopeObject(scope_info, context, 1053 ScopeInfo::CopyContextLocalsToScopeObject(scope_info, context,
1052 script_scope); 1054 script_scope);
1053 } 1055 }
1054 return script_scope; 1056 return script_scope;
1055 } 1057 }
1056 1058
1057 1059
1058 MUST_USE_RESULT static MaybeHandle<JSObject> MaterializeLocalScope( 1060 MUST_USE_RESULT static MaybeHandle<JSObject> MaterializeLocalScope(
1059 Isolate* isolate, FrameInspector* frame_inspector) { 1061 Isolate* isolate, JavaScriptFrame* frame, int inlined_jsframe_index) {
1060 Handle<JSFunction> function(JSFunction::cast(frame_inspector->GetFunction())); 1062 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate);
1063 Handle<JSFunction> function(JSFunction::cast(frame_inspector.GetFunction()));
1061 1064
1062 Handle<JSObject> local_scope = 1065 Handle<JSObject> local_scope =
1063 isolate->factory()->NewJSObject(isolate->object_function()); 1066 isolate->factory()->NewJSObject(isolate->object_function());
1064 MaterializeStackLocalsWithFrameInspector(isolate, local_scope, function, 1067 MaterializeStackLocalsWithFrameInspector(isolate, local_scope, function,
1065 frame_inspector); 1068 &frame_inspector);
1066 1069
1067 Handle<Context> frame_context(Context::cast(frame_inspector->GetContext())); 1070 return MaterializeLocalContext(isolate, local_scope, function, frame);
1068
1069 return MaterializeLocalContext(isolate, local_scope, function, frame_context);
1070 } 1071 }
1071 1072
1072 1073
1073 // Set the context local variable value. 1074 // Set the context local variable value.
1074 static bool SetContextLocalValue(Isolate* isolate, Handle<ScopeInfo> scope_info, 1075 static bool SetContextLocalValue(Isolate* isolate, Handle<ScopeInfo> scope_info,
1075 Handle<Context> context, 1076 Handle<Context> context,
1076 Handle<String> variable_name, 1077 Handle<String> variable_name,
1077 Handle<Object> new_value) { 1078 Handle<Object> new_value) {
1078 for (int i = 0; i < scope_info->ContextLocalCount(); i++) { 1079 for (int i = 0; i < scope_info->ContextLocalCount(); i++) {
1079 Handle<String> next_name(scope_info->ContextLocalName(i)); 1080 Handle<String> next_name(scope_info->ContextLocalName(i));
1080 if (String::Equals(variable_name, next_name)) { 1081 if (String::Equals(variable_name, next_name)) {
1081 VariableMode mode; 1082 VariableMode mode;
1082 VariableLocation location; 1083 VariableLocation location;
1083 InitializationFlag init_flag; 1084 InitializationFlag init_flag;
1084 MaybeAssignedFlag maybe_assigned_flag; 1085 MaybeAssignedFlag maybe_assigned_flag;
1085 int context_index = 1086 int context_index =
1086 ScopeInfo::ContextSlotIndex(scope_info, next_name, &mode, &location, 1087 ScopeInfo::ContextSlotIndex(scope_info, next_name, &mode, &location,
1087 &init_flag, &maybe_assigned_flag); 1088 &init_flag, &maybe_assigned_flag);
1088 context->set(context_index, *new_value); 1089 context->set(context_index, *new_value);
1089 return true; 1090 return true;
1090 } 1091 }
1091 } 1092 }
1092 1093
1093 return false; 1094 return false;
1094 } 1095 }
1095 1096
1096 1097
1097 static bool SetLocalVariableValue(Isolate* isolate, JavaScriptFrame* frame, 1098 static bool SetLocalVariableValue(Isolate* isolate, JavaScriptFrame* frame,
1099 int inlined_jsframe_index,
1098 Handle<String> variable_name, 1100 Handle<String> variable_name,
1099 Handle<Object> new_value) { 1101 Handle<Object> new_value) {
1100 // Optimized frames are not supported. 1102 if (inlined_jsframe_index != 0 || frame->is_optimized()) {
1101 if (frame->is_optimized()) return false; 1103 // Optimized frames are not supported.
1104 return false;
1105 }
1102 1106
1103 Handle<JSFunction> function(frame->function()); 1107 Handle<JSFunction> function(frame->function());
1104 Handle<SharedFunctionInfo> shared(function->shared()); 1108 Handle<SharedFunctionInfo> shared(function->shared());
1105 Handle<ScopeInfo> scope_info(shared->scope_info()); 1109 Handle<ScopeInfo> scope_info(shared->scope_info());
1106 1110
1107 bool default_result = false; 1111 bool default_result = false;
1108 1112
1109 // Parameters. 1113 // Parameters.
1110 for (int i = 0; i < scope_info->ParameterCount(); ++i) { 1114 for (int i = 0; i < scope_info->ParameterCount(); ++i) {
1111 HandleScope scope(isolate); 1115 HandleScope scope(isolate);
(...skipping 188 matching lines...) Expand 10 before | Expand all | Expand 10 after
1300 context->set(Context::THROWN_OBJECT_INDEX, *new_value); 1304 context->set(Context::THROWN_OBJECT_INDEX, *new_value);
1301 return true; 1305 return true;
1302 } 1306 }
1303 1307
1304 1308
1305 // Create a plain JSObject which materializes the block scope for the specified 1309 // Create a plain JSObject which materializes the block scope for the specified
1306 // block context. 1310 // block context.
1307 static Handle<JSObject> MaterializeBlockScope(Isolate* isolate, 1311 static Handle<JSObject> MaterializeBlockScope(Isolate* isolate,
1308 Handle<ScopeInfo> scope_info, 1312 Handle<ScopeInfo> scope_info,
1309 Handle<Context> context, 1313 Handle<Context> context,
1310 FrameInspector* frame_inspector) { 1314 JavaScriptFrame* frame,
1315 int inlined_jsframe_index) {
1311 Handle<JSObject> block_scope = 1316 Handle<JSObject> block_scope =
1312 isolate->factory()->NewJSObject(isolate->object_function()); 1317 isolate->factory()->NewJSObject(isolate->object_function());
1313 1318
1314 if (frame_inspector != nullptr) { 1319 if (frame != nullptr) {
1320 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate);
1315 MaterializeStackLocalsWithFrameInspector(isolate, block_scope, scope_info, 1321 MaterializeStackLocalsWithFrameInspector(isolate, block_scope, scope_info,
1316 frame_inspector); 1322 &frame_inspector);
1317 } 1323 }
1318 1324
1319 if (!context.is_null()) { 1325 if (!context.is_null()) {
1320 Handle<ScopeInfo> scope_info_from_context( 1326 Handle<ScopeInfo> scope_info_from_context(
1321 ScopeInfo::cast(context->extension())); 1327 ScopeInfo::cast(context->extension()));
1322 // Fill all context locals. 1328 // Fill all context locals.
1323 ScopeInfo::CopyContextLocalsToScopeObject(scope_info_from_context, context, 1329 ScopeInfo::CopyContextLocalsToScopeObject(scope_info_from_context, context,
1324 block_scope); 1330 block_scope);
1325 } 1331 }
1326 1332
(...skipping 30 matching lines...) Expand all
1357 ScopeTypeGlobal = 0, 1363 ScopeTypeGlobal = 0,
1358 ScopeTypeLocal, 1364 ScopeTypeLocal,
1359 ScopeTypeWith, 1365 ScopeTypeWith,
1360 ScopeTypeClosure, 1366 ScopeTypeClosure,
1361 ScopeTypeCatch, 1367 ScopeTypeCatch,
1362 ScopeTypeBlock, 1368 ScopeTypeBlock,
1363 ScopeTypeScript, 1369 ScopeTypeScript,
1364 ScopeTypeModule 1370 ScopeTypeModule
1365 }; 1371 };
1366 1372
1367 ScopeIterator(Isolate* isolate, FrameInspector* frame_inspector, 1373 ScopeIterator(Isolate* isolate, JavaScriptFrame* frame,
1368 bool ignore_nested_scopes = false) 1374 int inlined_jsframe_index, bool ignore_nested_scopes = false)
1369 : isolate_(isolate), 1375 : isolate_(isolate),
1370 frame_inspector_(frame_inspector), 1376 frame_(frame),
1371 context_(Context::cast(frame_inspector->GetContext())), 1377 inlined_jsframe_index_(inlined_jsframe_index),
1378 function_(frame->function()),
1379 context_(Context::cast(frame->context())),
1372 nested_scope_chain_(4), 1380 nested_scope_chain_(4),
1373 seen_script_scope_(false), 1381 seen_script_scope_(false),
1374 failed_(false) { 1382 failed_(false) {
1375 // Catch the case when the debugger stops in an internal function. 1383 // Catch the case when the debugger stops in an internal function.
1376 Handle<SharedFunctionInfo> shared_info(function()->shared()); 1384 Handle<SharedFunctionInfo> shared_info(function_->shared());
1377 Handle<ScopeInfo> scope_info(shared_info->scope_info()); 1385 Handle<ScopeInfo> scope_info(shared_info->scope_info());
1378 if (shared_info->script() == isolate->heap()->undefined_value()) { 1386 if (shared_info->script() == isolate->heap()->undefined_value()) {
1379 while (context_->closure() == function()) { 1387 while (context_->closure() == *function_) {
1380 context_ = Handle<Context>(context_->previous(), isolate_); 1388 context_ = Handle<Context>(context_->previous(), isolate_);
1381 } 1389 }
1382 return; 1390 return;
1383 } 1391 }
1384 1392
1385 // Currently it takes too much time to find nested scopes due to script 1393 // Currently it takes too much time to find nested scopes due to script
1386 // parsing. Sometimes we want to run the ScopeIterator as fast as possible 1394 // parsing. Sometimes we want to run the ScopeIterator as fast as possible
1387 // (for example, while collecting async call stacks on every 1395 // (for example, while collecting async call stacks on every
1388 // addEventListener call), even if we drop some nested scopes. 1396 // addEventListener call), even if we drop some nested scopes.
1389 // Later we may optimize getting the nested scopes (cache the result?) 1397 // Later we may optimize getting the nested scopes (cache the result?)
1390 // and include nested scopes into the "fast" iteration case as well. 1398 // and include nested scopes into the "fast" iteration case as well.
1391 1399
1392 if (!ignore_nested_scopes && !shared_info->debug_info()->IsUndefined()) { 1400 if (!ignore_nested_scopes && !shared_info->debug_info()->IsUndefined()) {
1393 // The source position at return is always the end of the function, 1401 // The source position at return is always the end of the function,
1394 // which is not consistent with the current scope chain. Therefore all 1402 // which is not consistent with the current scope chain. Therefore all
1395 // nested with, catch and block contexts are skipped, and we can only 1403 // nested with, catch and block contexts are skipped, and we can only
1396 // inspect the function scope. 1404 // inspect the function scope.
1397 // This can only happen if we set a break point inside right before the 1405 // This can only happen if we set a break point inside right before the
1398 // return, which requires a debug info to be available. 1406 // return, which requires a debug info to be available.
1399 Handle<DebugInfo> debug_info = Debug::GetDebugInfo(shared_info); 1407 Handle<DebugInfo> debug_info = Debug::GetDebugInfo(shared_info);
1400 1408
1401 // PC points to the instruction after the current one, possibly a break 1409 // PC points to the instruction after the current one, possibly a break
1402 // location as well. So the "- 1" to exclude it from the search. 1410 // location as well. So the "- 1" to exclude it from the search.
1403 Address call_pc = frame()->pc() - 1; 1411 Address call_pc = frame->pc() - 1;
1404 1412
1405 // Find the break point where execution has stopped. 1413 // Find the break point where execution has stopped.
1406 BreakLocation location = 1414 BreakLocation location =
1407 BreakLocation::FromAddress(debug_info, ALL_BREAK_LOCATIONS, call_pc); 1415 BreakLocation::FromAddress(debug_info, ALL_BREAK_LOCATIONS, call_pc);
1408 1416
1409 ignore_nested_scopes = location.IsReturn(); 1417 ignore_nested_scopes = location.IsReturn();
1410 } 1418 }
1411 1419
1412 if (ignore_nested_scopes) { 1420 if (ignore_nested_scopes) {
1413 if (scope_info->HasContext()) { 1421 if (scope_info->HasContext()) {
1414 context_ = Handle<Context>(context_->declaration_context(), isolate_); 1422 context_ = Handle<Context>(context_->declaration_context(), isolate_);
1415 } else { 1423 } else {
1416 while (context_->closure() == function()) { 1424 while (context_->closure() == *function_) {
1417 context_ = Handle<Context>(context_->previous(), isolate_); 1425 context_ = Handle<Context>(context_->previous(), isolate_);
1418 } 1426 }
1419 } 1427 }
1420 if (scope_info->scope_type() == FUNCTION_SCOPE || 1428 if (scope_info->scope_type() == FUNCTION_SCOPE ||
1421 scope_info->scope_type() == ARROW_SCOPE) { 1429 scope_info->scope_type() == ARROW_SCOPE) {
1422 nested_scope_chain_.Add(scope_info); 1430 nested_scope_chain_.Add(scope_info);
1423 } 1431 }
1424 } else { 1432 } else {
1425 // Reparse the code and analyze the scopes. 1433 // Reparse the code and analyze the scopes.
1426 Handle<Script> script(Script::cast(shared_info->script())); 1434 Handle<Script> script(Script::cast(shared_info->script()));
1427 Scope* scope = NULL; 1435 Scope* scope = NULL;
1428 1436
1429 // Check whether we are in global, eval or function code. 1437 // Check whether we are in global, eval or function code.
1430 Handle<ScopeInfo> scope_info(shared_info->scope_info()); 1438 Handle<ScopeInfo> scope_info(shared_info->scope_info());
1431 Zone zone; 1439 Zone zone;
1432 if (scope_info->scope_type() != FUNCTION_SCOPE && 1440 if (scope_info->scope_type() != FUNCTION_SCOPE &&
1433 scope_info->scope_type() != ARROW_SCOPE) { 1441 scope_info->scope_type() != ARROW_SCOPE) {
1434 // Global or eval code. 1442 // Global or eval code.
1435 ParseInfo info(&zone, script); 1443 ParseInfo info(&zone, script);
1436 if (scope_info->scope_type() == SCRIPT_SCOPE) { 1444 if (scope_info->scope_type() == SCRIPT_SCOPE) {
1437 info.set_global(); 1445 info.set_global();
1438 } else { 1446 } else {
1439 DCHECK(scope_info->scope_type() == EVAL_SCOPE); 1447 DCHECK(scope_info->scope_type() == EVAL_SCOPE);
1440 info.set_eval(); 1448 info.set_eval();
1441 info.set_context(Handle<Context>(function()->context())); 1449 info.set_context(Handle<Context>(function_->context()));
1442 } 1450 }
1443 if (Parser::ParseStatic(&info) && Scope::Analyze(&info)) { 1451 if (Parser::ParseStatic(&info) && Scope::Analyze(&info)) {
1444 scope = info.function()->scope(); 1452 scope = info.function()->scope();
1445 } 1453 }
1446 RetrieveScopeChain(scope, shared_info); 1454 RetrieveScopeChain(scope, shared_info);
1447 } else { 1455 } else {
1448 // Function code 1456 // Function code
1449 ParseInfo info(&zone, Handle<JSFunction>(function())); 1457 ParseInfo info(&zone, function_);
1450 if (Parser::ParseStatic(&info) && Scope::Analyze(&info)) { 1458 if (Parser::ParseStatic(&info) && Scope::Analyze(&info)) {
1451 scope = info.function()->scope(); 1459 scope = info.function()->scope();
1452 } 1460 }
1453 RetrieveScopeChain(scope, shared_info); 1461 RetrieveScopeChain(scope, shared_info);
1454 } 1462 }
1455 } 1463 }
1456 } 1464 }
1457 1465
1458 ScopeIterator(Isolate* isolate, Handle<JSFunction> function) 1466 ScopeIterator(Isolate* isolate, Handle<JSFunction> function)
1459 : isolate_(isolate), 1467 : isolate_(isolate),
1460 frame_inspector_(NULL), 1468 frame_(NULL),
1469 inlined_jsframe_index_(0),
1470 function_(function),
1461 context_(function->context()), 1471 context_(function->context()),
1462 seen_script_scope_(false), 1472 seen_script_scope_(false),
1463 failed_(false) { 1473 failed_(false) {
1464 if (function->IsBuiltin()) context_ = Handle<Context>(); 1474 if (function->IsBuiltin()) {
1475 context_ = Handle<Context>();
1476 }
1465 } 1477 }
1466 1478
1467 // More scopes? 1479 // More scopes?
1468 bool Done() { 1480 bool Done() {
1469 DCHECK(!failed_); 1481 DCHECK(!failed_);
1470 return context_.is_null(); 1482 return context_.is_null();
1471 } 1483 }
1472 1484
1473 bool Failed() { return failed_; } 1485 bool Failed() { return failed_; }
1474 1486
(...skipping 90 matching lines...) Expand 10 before | Expand all | Expand 10 after
1565 DCHECK(!failed_); 1577 DCHECK(!failed_);
1566 switch (Type()) { 1578 switch (Type()) {
1567 case ScopeIterator::ScopeTypeGlobal: 1579 case ScopeIterator::ScopeTypeGlobal:
1568 return Handle<JSObject>(CurrentContext()->global_object()); 1580 return Handle<JSObject>(CurrentContext()->global_object());
1569 case ScopeIterator::ScopeTypeScript: 1581 case ScopeIterator::ScopeTypeScript:
1570 return MaterializeScriptScope( 1582 return MaterializeScriptScope(
1571 Handle<GlobalObject>(CurrentContext()->global_object())); 1583 Handle<GlobalObject>(CurrentContext()->global_object()));
1572 case ScopeIterator::ScopeTypeLocal: 1584 case ScopeIterator::ScopeTypeLocal:
1573 // Materialize the content of the local scope into a JSObject. 1585 // Materialize the content of the local scope into a JSObject.
1574 DCHECK(nested_scope_chain_.length() == 1); 1586 DCHECK(nested_scope_chain_.length() == 1);
1575 return MaterializeLocalScope(isolate_, frame_inspector_); 1587 return MaterializeLocalScope(isolate_, frame_, inlined_jsframe_index_);
1576 case ScopeIterator::ScopeTypeWith: 1588 case ScopeIterator::ScopeTypeWith:
1577 // Return the with object. 1589 // Return the with object.
1578 return Handle<JSObject>(JSObject::cast(CurrentContext()->extension())); 1590 return Handle<JSObject>(JSObject::cast(CurrentContext()->extension()));
1579 case ScopeIterator::ScopeTypeCatch: 1591 case ScopeIterator::ScopeTypeCatch:
1580 return MaterializeCatchScope(isolate_, CurrentContext()); 1592 return MaterializeCatchScope(isolate_, CurrentContext());
1581 case ScopeIterator::ScopeTypeClosure: 1593 case ScopeIterator::ScopeTypeClosure:
1582 // Materialize the content of the closure scope into a JSObject. 1594 // Materialize the content of the closure scope into a JSObject.
1583 return MaterializeClosure(isolate_, CurrentContext()); 1595 return MaterializeClosure(isolate_, CurrentContext());
1584 case ScopeIterator::ScopeTypeBlock: { 1596 case ScopeIterator::ScopeTypeBlock: {
1585 if (!nested_scope_chain_.is_empty()) { 1597 if (!nested_scope_chain_.is_empty()) {
1586 // this is a block scope on the stack. 1598 // this is a block scope on the stack.
1587 Handle<ScopeInfo> scope_info = nested_scope_chain_.last(); 1599 Handle<ScopeInfo> scope_info = nested_scope_chain_.last();
1588 Handle<Context> context = scope_info->HasContext() 1600 Handle<Context> context = scope_info->HasContext()
1589 ? CurrentContext() 1601 ? CurrentContext()
1590 : Handle<Context>::null(); 1602 : Handle<Context>::null();
1591 return MaterializeBlockScope(isolate_, scope_info, context, 1603 return MaterializeBlockScope(isolate_, scope_info, context, frame_,
1592 frame_inspector_); 1604 inlined_jsframe_index_);
1593 } else { 1605 } else {
1594 return MaterializeBlockScope(isolate_, Handle<ScopeInfo>::null(), 1606 return MaterializeBlockScope(isolate_, Handle<ScopeInfo>::null(),
1595 CurrentContext(), nullptr); 1607 CurrentContext(), nullptr, 0);
1596 } 1608 }
1597 } 1609 }
1598 case ScopeIterator::ScopeTypeModule: 1610 case ScopeIterator::ScopeTypeModule:
1599 return MaterializeModuleScope(isolate_, CurrentContext()); 1611 return MaterializeModuleScope(isolate_, CurrentContext());
1600 } 1612 }
1601 UNREACHABLE(); 1613 UNREACHABLE();
1602 return Handle<JSObject>(); 1614 return Handle<JSObject>();
1603 } 1615 }
1604 1616
1605 bool HasContext() { 1617 bool HasContext() {
1606 ScopeType type = Type(); 1618 ScopeType type = Type();
1607 if (type == ScopeTypeBlock || type == ScopeTypeLocal) { 1619 if (type == ScopeTypeBlock || type == ScopeTypeLocal) {
1608 if (!nested_scope_chain_.is_empty()) { 1620 if (!nested_scope_chain_.is_empty()) {
1609 return nested_scope_chain_.last()->HasContext(); 1621 return nested_scope_chain_.last()->HasContext();
1610 } 1622 }
1611 } 1623 }
1612 return true; 1624 return true;
1613 } 1625 }
1614 1626
1615 bool SetVariableValue(Handle<String> variable_name, 1627 bool SetVariableValue(Handle<String> variable_name,
1616 Handle<Object> new_value) { 1628 Handle<Object> new_value) {
1617 DCHECK(!failed_); 1629 DCHECK(!failed_);
1618 switch (Type()) { 1630 switch (Type()) {
1619 case ScopeIterator::ScopeTypeGlobal: 1631 case ScopeIterator::ScopeTypeGlobal:
1620 break; 1632 break;
1621 case ScopeIterator::ScopeTypeLocal: 1633 case ScopeIterator::ScopeTypeLocal:
1622 return SetLocalVariableValue(isolate_, frame(), variable_name, 1634 return SetLocalVariableValue(isolate_, frame_, inlined_jsframe_index_,
1623 new_value); 1635 variable_name, new_value);
1624 case ScopeIterator::ScopeTypeWith: 1636 case ScopeIterator::ScopeTypeWith:
1625 break; 1637 break;
1626 case ScopeIterator::ScopeTypeCatch: 1638 case ScopeIterator::ScopeTypeCatch:
1627 return SetCatchVariableValue(isolate_, CurrentContext(), variable_name, 1639 return SetCatchVariableValue(isolate_, CurrentContext(), variable_name,
1628 new_value); 1640 new_value);
1629 case ScopeIterator::ScopeTypeClosure: 1641 case ScopeIterator::ScopeTypeClosure:
1630 return SetClosureVariableValue(isolate_, CurrentContext(), 1642 return SetClosureVariableValue(isolate_, CurrentContext(),
1631 variable_name, new_value); 1643 variable_name, new_value);
1632 case ScopeIterator::ScopeTypeScript: 1644 case ScopeIterator::ScopeTypeScript:
1633 return SetScriptVariableValue(CurrentContext(), variable_name, 1645 return SetScriptVariableValue(CurrentContext(), variable_name,
1634 new_value); 1646 new_value);
1635 case ScopeIterator::ScopeTypeBlock: 1647 case ScopeIterator::ScopeTypeBlock:
1636 return SetBlockVariableValue( 1648 return SetBlockVariableValue(
1637 isolate_, HasContext() ? CurrentContext() : Handle<Context>::null(), 1649 isolate_, HasContext() ? CurrentContext() : Handle<Context>::null(),
1638 CurrentScopeInfo(), frame(), variable_name, new_value); 1650 CurrentScopeInfo(), frame_, variable_name, new_value);
1639 case ScopeIterator::ScopeTypeModule: 1651 case ScopeIterator::ScopeTypeModule:
1640 // TODO(2399): should we implement it? 1652 // TODO(2399): should we implement it?
1641 break; 1653 break;
1642 } 1654 }
1643 return false; 1655 return false;
1644 } 1656 }
1645 1657
1646 Handle<ScopeInfo> CurrentScopeInfo() { 1658 Handle<ScopeInfo> CurrentScopeInfo() {
1647 DCHECK(!failed_); 1659 DCHECK(!failed_);
1648 if (!nested_scope_chain_.is_empty()) { 1660 if (!nested_scope_chain_.is_empty()) {
(...skipping 26 matching lines...) Expand all
1675 OFStream os(stdout); 1687 OFStream os(stdout);
1676 DCHECK(!failed_); 1688 DCHECK(!failed_);
1677 switch (Type()) { 1689 switch (Type()) {
1678 case ScopeIterator::ScopeTypeGlobal: 1690 case ScopeIterator::ScopeTypeGlobal:
1679 os << "Global:\n"; 1691 os << "Global:\n";
1680 CurrentContext()->Print(os); 1692 CurrentContext()->Print(os);
1681 break; 1693 break;
1682 1694
1683 case ScopeIterator::ScopeTypeLocal: { 1695 case ScopeIterator::ScopeTypeLocal: {
1684 os << "Local:\n"; 1696 os << "Local:\n";
1685 function()->shared()->scope_info()->Print(); 1697 function_->shared()->scope_info()->Print();
1686 if (!CurrentContext().is_null()) { 1698 if (!CurrentContext().is_null()) {
1687 CurrentContext()->Print(os); 1699 CurrentContext()->Print(os);
1688 if (CurrentContext()->has_extension()) { 1700 if (CurrentContext()->has_extension()) {
1689 Handle<Object> extension(CurrentContext()->extension(), isolate_); 1701 Handle<Object> extension(CurrentContext()->extension(), isolate_);
1690 if (extension->IsJSContextExtensionObject()) { 1702 if (extension->IsJSContextExtensionObject()) {
1691 extension->Print(os); 1703 extension->Print(os);
1692 } 1704 }
1693 } 1705 }
1694 } 1706 }
1695 break; 1707 break;
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
1728 1740
1729 default: 1741 default:
1730 UNREACHABLE(); 1742 UNREACHABLE();
1731 } 1743 }
1732 PrintF("\n"); 1744 PrintF("\n");
1733 } 1745 }
1734 #endif 1746 #endif
1735 1747
1736 private: 1748 private:
1737 Isolate* isolate_; 1749 Isolate* isolate_;
1738 FrameInspector* const frame_inspector_; 1750 JavaScriptFrame* frame_;
1751 int inlined_jsframe_index_;
1752 Handle<JSFunction> function_;
1739 Handle<Context> context_; 1753 Handle<Context> context_;
1740 List<Handle<ScopeInfo> > nested_scope_chain_; 1754 List<Handle<ScopeInfo> > nested_scope_chain_;
1741 bool seen_script_scope_; 1755 bool seen_script_scope_;
1742 bool failed_; 1756 bool failed_;
1743 1757
1744 inline JavaScriptFrame* frame() {
1745 return frame_inspector_->GetArgumentsFrame();
1746 }
1747
1748 inline JSFunction* function() {
1749 return JSFunction::cast(frame_inspector_->GetFunction());
1750 }
1751
1752 void RetrieveScopeChain(Scope* scope, 1758 void RetrieveScopeChain(Scope* scope,
1753 Handle<SharedFunctionInfo> shared_info) { 1759 Handle<SharedFunctionInfo> shared_info) {
1754 if (scope != NULL) { 1760 if (scope != NULL) {
1755 int source_position = frame_inspector_->GetSourcePosition(); 1761 int source_position = shared_info->code()->SourcePosition(frame_->pc());
1756 scope->GetNestedScopeChain(isolate_, &nested_scope_chain_, 1762 scope->GetNestedScopeChain(isolate_, &nested_scope_chain_,
1757 source_position); 1763 source_position);
1758 } else { 1764 } else {
1759 // A failed reparse indicates that the preparser has diverged from the 1765 // A failed reparse indicates that the preparser has diverged from the
1760 // parser or that the preparse data given to the initial parse has been 1766 // parser or that the preparse data given to the initial parse has been
1761 // faulty. We fail in debug mode but in release mode we only provide the 1767 // faulty. We fail in debug mode but in release mode we only provide the
1762 // information we get from the context chain but nothing about 1768 // information we get from the context chain but nothing about
1763 // completely stack allocated scopes or stack allocated locals. 1769 // completely stack allocated scopes or stack allocated locals.
1764 // Or it could be due to stack overflow. 1770 // Or it could be due to stack overflow.
1765 DCHECK(isolate_->has_pending_exception()); 1771 DCHECK(isolate_->has_pending_exception());
(...skipping 10 matching lines...) Expand all
1776 DCHECK(args.length() == 2); 1782 DCHECK(args.length() == 2);
1777 CONVERT_NUMBER_CHECKED(int, break_id, Int32, args[0]); 1783 CONVERT_NUMBER_CHECKED(int, break_id, Int32, args[0]);
1778 RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id)); 1784 RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id));
1779 1785
1780 CONVERT_SMI_ARG_CHECKED(wrapped_id, 1); 1786 CONVERT_SMI_ARG_CHECKED(wrapped_id, 1);
1781 1787
1782 // Get the frame where the debugging is performed. 1788 // Get the frame where the debugging is performed.
1783 StackFrame::Id id = UnwrapFrameId(wrapped_id); 1789 StackFrame::Id id = UnwrapFrameId(wrapped_id);
1784 JavaScriptFrameIterator it(isolate, id); 1790 JavaScriptFrameIterator it(isolate, id);
1785 JavaScriptFrame* frame = it.frame(); 1791 JavaScriptFrame* frame = it.frame();
1786 FrameInspector frame_inspector(frame, 0, isolate);
1787 1792
1788 // Count the visible scopes. 1793 // Count the visible scopes.
1789 int n = 0; 1794 int n = 0;
1790 for (ScopeIterator it(isolate, &frame_inspector); !it.Done(); it.Next()) { 1795 for (ScopeIterator it(isolate, frame, 0); !it.Done(); it.Next()) {
1791 n++; 1796 n++;
1792 } 1797 }
1793 1798
1794 return Smi::FromInt(n); 1799 return Smi::FromInt(n);
1795 } 1800 }
1796 1801
1797 1802
1798 // Returns the list of step-in positions (text offset) in a function of the 1803 // Returns the list of step-in positions (text offset) in a function of the
1799 // stack frame in a range from the current debug break position to the end 1804 // stack frame in a range from the current debug break position to the end
1800 // of the corresponding statement. 1805 // of the corresponding statement.
(...skipping 104 matching lines...) Expand 10 before | Expand all | Expand 10 after
1905 RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id)); 1910 RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id));
1906 1911
1907 CONVERT_SMI_ARG_CHECKED(wrapped_id, 1); 1912 CONVERT_SMI_ARG_CHECKED(wrapped_id, 1);
1908 CONVERT_NUMBER_CHECKED(int, inlined_jsframe_index, Int32, args[2]); 1913 CONVERT_NUMBER_CHECKED(int, inlined_jsframe_index, Int32, args[2]);
1909 CONVERT_NUMBER_CHECKED(int, index, Int32, args[3]); 1914 CONVERT_NUMBER_CHECKED(int, index, Int32, args[3]);
1910 1915
1911 // Get the frame where the debugging is performed. 1916 // Get the frame where the debugging is performed.
1912 StackFrame::Id id = UnwrapFrameId(wrapped_id); 1917 StackFrame::Id id = UnwrapFrameId(wrapped_id);
1913 JavaScriptFrameIterator frame_it(isolate, id); 1918 JavaScriptFrameIterator frame_it(isolate, id);
1914 JavaScriptFrame* frame = frame_it.frame(); 1919 JavaScriptFrame* frame = frame_it.frame();
1915 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate);
1916 1920
1917 // Find the requested scope. 1921 // Find the requested scope.
1918 int n = 0; 1922 int n = 0;
1919 ScopeIterator it(isolate, &frame_inspector); 1923 ScopeIterator it(isolate, frame, inlined_jsframe_index);
1920 for (; !it.Done() && n < index; it.Next()) { 1924 for (; !it.Done() && n < index; it.Next()) {
1921 n++; 1925 n++;
1922 } 1926 }
1923 if (it.Done()) { 1927 if (it.Done()) {
1924 return isolate->heap()->undefined_value(); 1928 return isolate->heap()->undefined_value();
1925 } 1929 }
1926 Handle<JSObject> details; 1930 Handle<JSObject> details;
1927 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, details, 1931 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, details,
1928 MaterializeScopeDetails(isolate, &it)); 1932 MaterializeScopeDetails(isolate, &it));
1929 return *details; 1933 return *details;
(...skipping 21 matching lines...) Expand all
1951 bool ignore_nested_scopes = false; 1955 bool ignore_nested_scopes = false;
1952 if (args.length() == 4) { 1956 if (args.length() == 4) {
1953 CONVERT_BOOLEAN_ARG_CHECKED(flag, 3); 1957 CONVERT_BOOLEAN_ARG_CHECKED(flag, 3);
1954 ignore_nested_scopes = flag; 1958 ignore_nested_scopes = flag;
1955 } 1959 }
1956 1960
1957 // Get the frame where the debugging is performed. 1961 // Get the frame where the debugging is performed.
1958 StackFrame::Id id = UnwrapFrameId(wrapped_id); 1962 StackFrame::Id id = UnwrapFrameId(wrapped_id);
1959 JavaScriptFrameIterator frame_it(isolate, id); 1963 JavaScriptFrameIterator frame_it(isolate, id);
1960 JavaScriptFrame* frame = frame_it.frame(); 1964 JavaScriptFrame* frame = frame_it.frame();
1961 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate);
1962 1965
1963 List<Handle<JSObject> > result(4); 1966 List<Handle<JSObject> > result(4);
1964 ScopeIterator it(isolate, &frame_inspector, ignore_nested_scopes); 1967 ScopeIterator it(isolate, frame, inlined_jsframe_index, ignore_nested_scopes);
1965 for (; !it.Done(); it.Next()) { 1968 for (; !it.Done(); it.Next()) {
1966 Handle<JSObject> details; 1969 Handle<JSObject> details;
1967 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, details, 1970 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, details,
1968 MaterializeScopeDetails(isolate, &it)); 1971 MaterializeScopeDetails(isolate, &it));
1969 result.Add(details); 1972 result.Add(details);
1970 } 1973 }
1971 1974
1972 Handle<FixedArray> array = isolate->factory()->NewFixedArray(result.length()); 1975 Handle<FixedArray> array = isolate->factory()->NewFixedArray(result.length());
1973 for (int i = 0; i < result.length(); ++i) { 1976 for (int i = 0; i < result.length(); ++i) {
1974 array->set(i, *result[i]); 1977 array->set(i, *result[i]);
(...skipping 80 matching lines...) Expand 10 before | Expand all | Expand 10 after
2055 CONVERT_NUMBER_CHECKED(int, break_id, Int32, args[0]); 2058 CONVERT_NUMBER_CHECKED(int, break_id, Int32, args[0]);
2056 RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id)); 2059 RUNTIME_ASSERT(isolate->debug()->CheckExecutionState(break_id));
2057 2060
2058 CONVERT_SMI_ARG_CHECKED(wrapped_id, 1); 2061 CONVERT_SMI_ARG_CHECKED(wrapped_id, 1);
2059 CONVERT_NUMBER_CHECKED(int, inlined_jsframe_index, Int32, args[2]); 2062 CONVERT_NUMBER_CHECKED(int, inlined_jsframe_index, Int32, args[2]);
2060 2063
2061 // Get the frame where the debugging is performed. 2064 // Get the frame where the debugging is performed.
2062 StackFrame::Id id = UnwrapFrameId(wrapped_id); 2065 StackFrame::Id id = UnwrapFrameId(wrapped_id);
2063 JavaScriptFrameIterator frame_it(isolate, id); 2066 JavaScriptFrameIterator frame_it(isolate, id);
2064 JavaScriptFrame* frame = frame_it.frame(); 2067 JavaScriptFrame* frame = frame_it.frame();
2065 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate);
2066 2068
2067 ScopeIterator it(isolate, &frame_inspector); 2069 ScopeIterator it(isolate, frame, inlined_jsframe_index);
2068 res = SetScopeVariableValue(&it, index, variable_name, new_value); 2070 res = SetScopeVariableValue(&it, index, variable_name, new_value);
2069 } else { 2071 } else {
2070 CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0); 2072 CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0);
2071 ScopeIterator it(isolate, fun); 2073 ScopeIterator it(isolate, fun);
2072 res = SetScopeVariableValue(&it, index, variable_name, new_value); 2074 res = SetScopeVariableValue(&it, index, variable_name, new_value);
2073 } 2075 }
2074 2076
2075 return isolate->heap()->ToBoolean(res); 2077 return isolate->heap()->ToBoolean(res);
2076 } 2078 }
2077 2079
2078 2080
2079 RUNTIME_FUNCTION(Runtime_DebugPrintScopes) { 2081 RUNTIME_FUNCTION(Runtime_DebugPrintScopes) {
2080 HandleScope scope(isolate); 2082 HandleScope scope(isolate);
2081 DCHECK(args.length() == 0); 2083 DCHECK(args.length() == 0);
2082 2084
2083 #ifdef DEBUG 2085 #ifdef DEBUG
2084 // Print the scopes for the top frame. 2086 // Print the scopes for the top frame.
2085 StackFrameLocator locator(isolate); 2087 StackFrameLocator locator(isolate);
2086 JavaScriptFrame* frame = locator.FindJavaScriptFrame(0); 2088 JavaScriptFrame* frame = locator.FindJavaScriptFrame(0);
2087 FrameInspector frame_inspector(frame, 0, isolate); 2089 for (ScopeIterator it(isolate, frame, 0); !it.Done(); it.Next()) {
2088
2089 for (ScopeIterator it(isolate, &frame_inspector); !it.Done(); it.Next()) {
2090 it.DebugPrint(); 2090 it.DebugPrint();
2091 } 2091 }
2092 #endif 2092 #endif
2093 return isolate->heap()->undefined_value(); 2093 return isolate->heap()->undefined_value();
2094 } 2094 }
2095 2095
2096 2096
2097 RUNTIME_FUNCTION(Runtime_GetThreadCount) { 2097 RUNTIME_FUNCTION(Runtime_GetThreadCount) {
2098 HandleScope scope(isolate); 2098 HandleScope scope(isolate);
2099 DCHECK(args.length() == 1); 2099 DCHECK(args.length() == 1);
(...skipping 372 matching lines...) Expand 10 before | Expand all | Expand 10 after
2472 frame_(frame), 2472 frame_(frame),
2473 inlined_jsframe_index_(inlined_jsframe_index) { 2473 inlined_jsframe_index_(inlined_jsframe_index) {
2474 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate); 2474 FrameInspector frame_inspector(frame, inlined_jsframe_index, isolate);
2475 Handle<JSFunction> function = 2475 Handle<JSFunction> function =
2476 handle(JSFunction::cast(frame_inspector.GetFunction())); 2476 handle(JSFunction::cast(frame_inspector.GetFunction()));
2477 Handle<Context> outer_context = handle(function->context(), isolate); 2477 Handle<Context> outer_context = handle(function->context(), isolate);
2478 outer_info_ = handle(function->shared()); 2478 outer_info_ = handle(function->shared());
2479 Handle<Context> inner_context; 2479 Handle<Context> inner_context;
2480 2480
2481 bool stop = false; 2481 bool stop = false;
2482 for (ScopeIterator it(isolate, &frame_inspector); 2482 for (ScopeIterator it(isolate, frame, inlined_jsframe_index);
2483 !it.Failed() && !it.Done() && !stop; it.Next()) { 2483 !it.Failed() && !it.Done() && !stop; it.Next()) {
2484 ScopeIterator::ScopeType scope_type = it.Type(); 2484 ScopeIterator::ScopeType scope_type = it.Type();
2485 2485
2486 if (scope_type == ScopeIterator::ScopeTypeLocal) { 2486 if (scope_type == ScopeIterator::ScopeTypeLocal) {
2487 Handle<Context> parent_context = 2487 Handle<Context> parent_context =
2488 it.HasContext() ? it.CurrentContext() : outer_context; 2488 it.HasContext() ? it.CurrentContext() : outer_context;
2489 2489
2490 // The "this" binding, if any, can't be bound via "with". If we need 2490 // The "this" binding, if any, can't be bound via "with". If we need
2491 // to, add another node onto the outer context to bind "this". 2491 // to, add another node onto the outer context to bind "this".
2492 parent_context = 2492 parent_context =
(...skipping 725 matching lines...) Expand 10 before | Expand all | Expand 10 after
3218 return *isolate->factory()->undefined_value(); 3218 return *isolate->factory()->undefined_value();
3219 } 3219 }
3220 3220
3221 3221
3222 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) { 3222 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) {
3223 UNIMPLEMENTED(); 3223 UNIMPLEMENTED();
3224 return NULL; 3224 return NULL;
3225 } 3225 }
3226 } // namespace internal 3226 } // namespace internal
3227 } // namespace v8 3227 } // namespace v8
OLDNEW
« no previous file with comments | « src/debug.cc ('k') | test/mjsunit/es6/debug-blockscopes.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698