aboutsummaryrefslogtreecommitdiff
path: root/deps/v8/src/d8/d8-console.cc
diff options
context:
space:
mode:
Diffstat (limited to 'deps/v8/src/d8/d8-console.cc')
-rw-r--r--deps/v8/src/d8/d8-console.cc142
1 files changed, 142 insertions, 0 deletions
diff --git a/deps/v8/src/d8/d8-console.cc b/deps/v8/src/d8/d8-console.cc
new file mode 100644
index 0000000000..8175d608b4
--- /dev/null
+++ b/deps/v8/src/d8/d8-console.cc
@@ -0,0 +1,142 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/d8/d8-console.h"
+#include "src/d8/d8.h"
+#include "src/execution/isolate.h"
+
+namespace v8 {
+
+namespace {
+void WriteToFile(const char* prefix, FILE* file, Isolate* isolate,
+ const debug::ConsoleCallArguments& args) {
+ if (prefix) fprintf(file, "%s: ", prefix);
+ for (int i = 0; i < args.Length(); i++) {
+ HandleScope handle_scope(isolate);
+ if (i > 0) fprintf(file, " ");
+
+ Local<Value> arg = args[i];
+ Local<String> str_obj;
+
+ if (arg->IsSymbol()) arg = Local<Symbol>::Cast(arg)->Name();
+ if (!arg->ToString(isolate->GetCurrentContext()).ToLocal(&str_obj)) return;
+
+ v8::String::Utf8Value str(isolate, str_obj);
+ int n = static_cast<int>(fwrite(*str, sizeof(**str), str.length(), file));
+ if (n != str.length()) {
+ printf("Error in fwrite\n");
+ base::OS::ExitProcess(1);
+ }
+ }
+ fprintf(file, "\n");
+}
+} // anonymous namespace
+
+D8Console::D8Console(Isolate* isolate) : isolate_(isolate) {
+ default_timer_ = base::TimeTicks::HighResolutionNow();
+}
+
+void D8Console::Assert(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ // If no arguments given, the "first" argument is undefined which is
+ // false-ish.
+ if (args.Length() > 0 && args[0]->BooleanValue(isolate_)) return;
+ WriteToFile("console.assert", stdout, isolate_, args);
+ isolate_->ThrowException(v8::Exception::Error(
+ v8::String::NewFromUtf8(isolate_, "console.assert failed",
+ v8::NewStringType::kNormal)
+ .ToLocalChecked()));
+}
+
+void D8Console::Log(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ WriteToFile(nullptr, stdout, isolate_, args);
+}
+
+void D8Console::Error(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ WriteToFile("console.error", stderr, isolate_, args);
+}
+
+void D8Console::Warn(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ WriteToFile("console.warn", stdout, isolate_, args);
+}
+
+void D8Console::Info(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ WriteToFile("console.info", stdout, isolate_, args);
+}
+
+void D8Console::Debug(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ WriteToFile("console.debug", stdout, isolate_, args);
+}
+
+void D8Console::Time(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ if (args.Length() == 0) {
+ default_timer_ = base::TimeTicks::HighResolutionNow();
+ } else {
+ Local<Value> arg = args[0];
+ Local<String> label;
+ v8::TryCatch try_catch(isolate_);
+ if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) return;
+ v8::String::Utf8Value utf8(isolate_, label);
+ std::string string(*utf8);
+ auto find = timers_.find(string);
+ if (find != timers_.end()) {
+ find->second = base::TimeTicks::HighResolutionNow();
+ } else {
+ timers_.insert(std::pair<std::string, base::TimeTicks>(
+ string, base::TimeTicks::HighResolutionNow()));
+ }
+ }
+}
+
+void D8Console::TimeEnd(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ base::TimeDelta delta;
+ if (args.Length() == 0) {
+ delta = base::TimeTicks::HighResolutionNow() - default_timer_;
+ printf("console.timeEnd: default, %f\n", delta.InMillisecondsF());
+ } else {
+ base::TimeTicks now = base::TimeTicks::HighResolutionNow();
+ Local<Value> arg = args[0];
+ Local<String> label;
+ v8::TryCatch try_catch(isolate_);
+ if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) return;
+ v8::String::Utf8Value utf8(isolate_, label);
+ std::string string(*utf8);
+ auto find = timers_.find(string);
+ if (find != timers_.end()) {
+ delta = now - find->second;
+ }
+ printf("console.timeEnd: %s, %f\n", *utf8, delta.InMillisecondsF());
+ }
+}
+
+void D8Console::TimeStamp(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ base::TimeDelta delta = base::TimeTicks::HighResolutionNow() - default_timer_;
+ if (args.Length() == 0) {
+ printf("console.timeStamp: default, %f\n", delta.InMillisecondsF());
+ } else {
+ Local<Value> arg = args[0];
+ Local<String> label;
+ v8::TryCatch try_catch(isolate_);
+ if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) return;
+ v8::String::Utf8Value utf8(isolate_, label);
+ std::string string(*utf8);
+ printf("console.timeStamp: %s, %f\n", *utf8, delta.InMillisecondsF());
+ }
+}
+
+void D8Console::Trace(const debug::ConsoleCallArguments& args,
+ const v8::debug::ConsoleContext&) {
+ i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate_);
+ i_isolate->PrintStack(stderr, i::Isolate::kPrintStackConcise);
+}
+
+} // namespace v8