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Issue 2028001: Adds C++ API for retrieving a stack trace without running JavaScript... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 7 months ago
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1 // Copyright 2007-2009 the V8 project authors. All rights reserved. 1 // Copyright 2007-2009 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
(...skipping 9566 matching lines...) Expand 10 before | Expand all | Expand 10 after
9577 const char *source = "function foo() { FAIL.FAIL; }; foo();"; 9577 const char *source = "function foo() { FAIL.FAIL; }; foo();";
9578 v8::Handle<v8::String> src = v8::String::New(source); 9578 v8::Handle<v8::String> src = v8::String::New(source);
9579 v8::Handle<v8::String> origin = v8::String::New("stack-trace-test"); 9579 v8::Handle<v8::String> origin = v8::String::New("stack-trace-test");
9580 v8::Script::New(src, origin)->Run(); 9580 v8::Script::New(src, origin)->Run();
9581 CHECK(try_catch.HasCaught()); 9581 CHECK(try_catch.HasCaught());
9582 v8::String::Utf8Value stack(try_catch.StackTrace()); 9582 v8::String::Utf8Value stack(try_catch.StackTrace());
9583 CHECK(strstr(*stack, "at foo (stack-trace-test") != NULL); 9583 CHECK(strstr(*stack, "at foo (stack-trace-test") != NULL);
9584 } 9584 }
9585 9585
9586 9586
9587 // Checks that a StackFrame has certain expected values.
9588 void checkStackFrame(const char* expected_script_name,
9589 const char* expected_func_name, int expected_line_number,
9590 int expected_column, bool is_eval, bool is_constructor,
9591 v8::Handle<v8::StackFrame> frame) {
9592 v8::HandleScope scope;
9593 v8::String::Utf8Value func_name(frame->GetFunctionName());
9594 v8::String::Utf8Value script_name(frame->GetScriptName());
9595 if (*script_name == NULL) {
9596 // The situation where there is no associated script, like for evals.
9597 CHECK(expected_script_name == NULL);
9598 } else {
9599 CHECK(strstr(*script_name, expected_script_name) != NULL);
9600 }
9601 CHECK(strstr(*func_name, expected_func_name) != NULL);
9602 CHECK_EQ(expected_line_number, frame->GetLineNumber());
9603 CHECK_EQ(expected_column, frame->GetColumn());
9604 CHECK_EQ(is_eval, frame->IsEval());
9605 CHECK_EQ(is_constructor, frame->IsConstructor());
9606 }
9607
9608
9609 v8::Handle<Value> AnalyzeStackInNativeCode(const v8::Arguments& args) {
9610 v8::HandleScope scope;
9611 const char* origin = "capture-stack-trace-test";
9612 const int kOverviewTest = 1;
9613 const int kDetailedTest = 2;
9614
9615 ASSERT(args.Length() == 1);
9616
9617 int testGroup = args[0]->ToNumber()->Value();
9618 if (testGroup == kOverviewTest) {
9619 v8::Handle<v8::StackTrace> stackTrace =
9620 v8::StackTrace::CurrentStackTrace(10, v8::StackTrace::kOverview);
9621 CHECK_EQ(4, stackTrace->GetFrameCount());
9622 checkStackFrame(origin, "bar", 2, 10, false, false,
9623 stackTrace->GetFrame(0));
9624 checkStackFrame(origin, "foo", 6, 3, false, false,
9625 stackTrace->GetFrame(1));
9626 checkStackFrame(NULL, "", 1, 1, false, false,
9627 stackTrace->GetFrame(2));
9628 // The last frame is an anonymous function that has the initial call.
9629 checkStackFrame(origin, "", 8, 7, false, false,
9630 stackTrace->GetFrame(3));
9631
9632 CHECK(stackTrace->AsArray()->IsArray());
9633 } else if (testGroup == kDetailedTest) {
9634 v8::Handle<v8::StackTrace> stackTrace =
9635 v8::StackTrace::CurrentStackTrace(10, v8::StackTrace::kDetailed);
9636 CHECK_EQ(4, stackTrace->GetFrameCount());
9637 checkStackFrame(origin, "bat", 2, 1, false, false,
9638 stackTrace->GetFrame(0));
9639 checkStackFrame(origin, "baz", 5, 3, false, true,
9640 stackTrace->GetFrame(1));
9641 checkStackFrame(NULL, "", 1, 1, true, false,
9642 stackTrace->GetFrame(2));
9643 // The last frame is an anonymous function that has the initial call to foo.
9644 checkStackFrame(origin, "", 7, 1, false, false,
9645 stackTrace->GetFrame(3));
9646
9647 CHECK(stackTrace->AsArray()->IsArray());
9648 }
9649 return v8::Undefined();
9650 }
9651
9652
9653 // Tests the C++ StackTrace API.
9654 THREADED_TEST(CaptureStackTrace) {
9655 v8::HandleScope scope;
9656 v8::Handle<v8::String> origin = v8::String::New("capture-stack-trace-test");
9657 Local<ObjectTemplate> templ = ObjectTemplate::New();
9658 templ->Set(v8_str("AnalyzeStackInNativeCode"),
9659 v8::FunctionTemplate::New(AnalyzeStackInNativeCode));
9660 LocalContext context(0, templ);
9661
9662 // Test getting OVERVIEW information. Should ignore information that is not
9663 // script name, function name, line number, and column offset.
9664 const char *overview_source =
9665 "function bar() {\n"
9666 " var y; AnalyzeStackInNativeCode(1);\n"
9667 "}\n"
9668 "function foo() {\n"
9669 "\n"
9670 " bar();\n"
9671 "}\n"
9672 "var x;eval('new foo();');";
9673 v8::Handle<v8::String> overview_src = v8::String::New(overview_source);
9674 v8::Handle<Value> overview_result =
9675 v8::Script::New(overview_src, origin)->Run();
9676 ASSERT(!overview_result.IsEmpty());
9677 ASSERT(overview_result->IsObject());
9678
9679 // Test getting DETAILED information.
9680 const char *detailed_source =
9681 "function bat() {\n"
9682 "AnalyzeStackInNativeCode(2);\n"
9683 "}\n"
9684 "function baz() {\n"
9685 " bat();\n"
9686 "}\n"
9687 "eval('new baz();');";
9688 v8::Handle<v8::String> detailed_src = v8::String::New(detailed_source);
9689 v8::Handle<Value> detailed_result =
9690 v8::Script::New(detailed_src, origin)->Run();
9691 ASSERT(!detailed_result.IsEmpty());
9692 ASSERT(detailed_result->IsObject());
9693 }
9694
9695
9587 // Test that idle notification can be handled and eventually returns true. 9696 // Test that idle notification can be handled and eventually returns true.
9588 THREADED_TEST(IdleNotification) { 9697 THREADED_TEST(IdleNotification) {
9589 bool rv = false; 9698 bool rv = false;
9590 for (int i = 0; i < 100; i++) { 9699 for (int i = 0; i < 100; i++) {
9591 rv = v8::V8::IdleNotification(); 9700 rv = v8::V8::IdleNotification();
9592 if (rv) 9701 if (rv)
9593 break; 9702 break;
9594 } 9703 }
9595 CHECK(rv == true); 9704 CHECK(rv == true);
9596 } 9705 }
(...skipping 551 matching lines...) Expand 10 before | Expand all | Expand 10 after
10148 CHECK_EQ(2, prologue_call_count_second); 10257 CHECK_EQ(2, prologue_call_count_second);
10149 CHECK_EQ(2, epilogue_call_count_second); 10258 CHECK_EQ(2, epilogue_call_count_second);
10150 v8::V8::RemoveGCPrologueCallback(PrologueCallbackSecond); 10259 v8::V8::RemoveGCPrologueCallback(PrologueCallbackSecond);
10151 v8::V8::RemoveGCEpilogueCallback(EpilogueCallbackSecond); 10260 v8::V8::RemoveGCEpilogueCallback(EpilogueCallbackSecond);
10152 i::Heap::CollectAllGarbage(false); 10261 i::Heap::CollectAllGarbage(false);
10153 CHECK_EQ(2, prologue_call_count); 10262 CHECK_EQ(2, prologue_call_count);
10154 CHECK_EQ(2, epilogue_call_count); 10263 CHECK_EQ(2, epilogue_call_count);
10155 CHECK_EQ(2, prologue_call_count_second); 10264 CHECK_EQ(2, prologue_call_count_second);
10156 CHECK_EQ(2, epilogue_call_count_second); 10265 CHECK_EQ(2, epilogue_call_count_second);
10157 } 10266 }
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