diff options
author | Aurindam Jana <aurindam.jana@nokia.com> | 2012-01-17 12:37:07 +0100 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-01-24 14:11:52 +0100 |
commit | b514fecbeae6a4fed9e593ea6405dbeec7fe7883 (patch) | |
tree | 05c6dd3f6407a715f6ad482eac9f54a2bcc2b507 /src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp | |
parent | 47a5c708bf4e555cb8febef583f32c99f7d8ea1e (diff) |
Console API: Add console.assert
console.assert tests if an expression is true. If it is false,
it writes a message to the console and prints the JavaScript
stack trace at that point.
Change-Id: I5487552cb8a947e1947914166834e0bdedba3354
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>
Diffstat (limited to 'src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp')
-rw-r--r-- | src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp b/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp index a77c8a07c5..5f0b3ff509 100644 --- a/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp +++ b/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp @@ -94,6 +94,22 @@ static QString extendMessage(const QString &msg) { return msg; } +static void printStack() { + //The v8 default is currently 10 stack frames. + v8::Handle<v8::StackTrace> stackTrace = + v8::StackTrace::CurrentStackTrace(10, v8::StackTrace::kOverview); + int stackCount = stackTrace->GetFrameCount(); + + for (int i = 0; i < stackCount; i++) { + v8::Local<v8::StackFrame> frame = stackTrace->GetFrame(i); + v8::String::Utf8Value func_name(frame->GetFunctionName()); + v8::String::Utf8Value script_name(frame->GetScriptName()); + int lineNumber = frame->GetLineNumber(); + int columnNumber = frame->GetColumn(); + qDebug("%s (%s:%d:%d)\n", *func_name, *script_name, lineNumber, columnNumber); + } +} + v8::Handle<v8::Value> console(ConsoleLogTypes logType, const v8::Arguments &args) { v8::HandleScope handleScope; @@ -252,19 +268,7 @@ v8::Handle<v8::Value> consoleTrace(const v8::Arguments &args) if (args.Length() != 0) V8THROW_ERROR("console.trace(): Invalid arguments"); - //The v8 default is currently 10 stack frames. - v8::Handle<v8::StackTrace> stackTrace = - v8::StackTrace::CurrentStackTrace(10, v8::StackTrace::kOverview); - int stackCount = stackTrace->GetFrameCount(); - - for (int i = 0; i < stackCount; i++) { - v8::Local<v8::StackFrame> frame = stackTrace->GetFrame(i); - v8::String::Utf8Value func_name(frame->GetFunctionName()); - v8::String::Utf8Value script_name(frame->GetScriptName()); - int lineNumber = frame->GetLineNumber(); - int columnNumber = frame->GetColumn(); - qDebug("%s (%s:%d:%d)\n", *func_name, *script_name, lineNumber, columnNumber); - } + printStack(); return v8::Undefined(); } @@ -273,6 +277,28 @@ v8::Handle<v8::Value> consoleWarn(const v8::Arguments &args) return console(Warn, args); } +v8::Handle<v8::Value> consoleAssert(const v8::Arguments &args) +{ + if (args.Length() == 0) + V8THROW_ERROR("console.assert(): Missing argument"); + + if (!args[0]->ToBoolean()->Value()) { + QString message; + for (int i = 1; i < args.Length(); ++i) { + if (i != 1) + message.append(QLatin1Char(' ')); + + v8::Local<v8::Value> value = args[i]; + message.append(V8ENGINE()->toString(value->ToString())); + } + + message = extendMessage(message); + qCritical("%s", qPrintable(message)); + printStack(); + } + return v8::Undefined(); +} + v8::Handle<v8::Value> stringArg(const v8::Arguments &args) { QString value = V8ENGINE()->toString(args.This()->ToString()); |