blob: 1b93e8fd1257d0d78aa7936881124caf69944b8f [file] [log] [blame]
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2007 Eric Seidel (eric@webkit.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "Error.h"
#include "ConstructData.h"
#include "ErrorConstructor.h"
#include "ExceptionHelpers.h"
#include "FunctionPrototype.h"
#include "JSArray.h"
#include "JSFunction.h"
#include "JSGlobalObject.h"
#include "JSObject.h"
#include "JSString.h"
#include "NativeErrorConstructor.h"
#include "JSCInlines.h"
#include "SourceCode.h"
#include <wtf/text/StringBuilder.h>
namespace JSC {
static const char* linePropertyName = "line";
static const char* sourceURLPropertyName = "sourceURL";
JSObject* createError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->errorStructure(), message, appender, TypeNothing, true);
}
JSObject* createEvalError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->evalErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
}
JSObject* createRangeError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->rangeErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
}
JSObject* createReferenceError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->referenceErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
}
JSObject* createSyntaxError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->syntaxErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
}
JSObject* createTypeError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender, RuntimeType type)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->typeErrorConstructor()->errorStructure(), message, appender, type, true);
}
JSObject* createNotEnoughArgumentsError(ExecState* exec, ErrorInstance::SourceAppender appender)
{
return createTypeError(exec, ASCIILiteral("Not enough arguments"), appender, TypeNothing);
}
JSObject* createURIError(ExecState* exec, const String& message, ErrorInstance::SourceAppender appender)
{
ASSERT(!message.isEmpty());
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
return ErrorInstance::create(exec, globalObject->vm(), globalObject->URIErrorConstructor()->errorStructure(), message, appender, TypeNothing, true);
}
JSObject* createOutOfMemoryError(ExecState* exec, ErrorInstance::SourceAppender appender)
{
return createError(exec, ASCIILiteral("Out of memory"), appender);
}
class FindFirstCallerFrameWithCodeblockFunctor {
public:
FindFirstCallerFrameWithCodeblockFunctor(CallFrame* startCallFrame)
: m_startCallFrame(startCallFrame)
, m_foundCallFrame(nullptr)
, m_foundStartCallFrame(false)
, m_index(0)
{ }
StackVisitor::Status operator()(StackVisitor& visitor)
{
if (!m_foundStartCallFrame && (visitor->callFrame() == m_startCallFrame))
m_foundStartCallFrame = true;
if (m_foundStartCallFrame) {
if (visitor->callFrame()->codeBlock()) {
m_foundCallFrame = visitor->callFrame();
return StackVisitor::Done;
}
m_index++;
}
return StackVisitor::Continue;
}
CallFrame* foundCallFrame() const { return m_foundCallFrame; }
unsigned index() const { return m_index; }
private:
CallFrame* m_startCallFrame;
CallFrame* m_foundCallFrame;
bool m_foundStartCallFrame;
unsigned m_index;
};
bool addErrorInfoAndGetBytecodeOffset(ExecState* exec, VM& vm, JSObject* obj, bool useCurrentFrame, CallFrame*& callFrame, unsigned &bytecodeOffset)
{
Vector<StackFrame> stackTrace = Vector<StackFrame>();
if (exec && stackTrace.isEmpty())
vm.interpreter->getStackTrace(stackTrace);
if (!stackTrace.isEmpty()) {
ASSERT(exec == vm.topCallFrame || exec == exec->lexicalGlobalObject()->globalExec() || exec == exec->vmEntryGlobalObject()->globalExec());
StackFrame* stackFrame;
for (unsigned i = 0 ; i < stackTrace.size(); ++i) {
stackFrame = &stackTrace.at(i);
if (stackFrame->bytecodeOffset)
break;
}
if (bytecodeOffset) {
FindFirstCallerFrameWithCodeblockFunctor functor(exec);
vm.topCallFrame->iterate(functor);
callFrame = functor.foundCallFrame();
unsigned stackIndex = functor.index();
bytecodeOffset = stackTrace.at(stackIndex).bytecodeOffset;
}
unsigned line;
unsigned column;
stackFrame->computeLineAndColumn(line, column);
obj->putDirect(vm, vm.propertyNames->line, jsNumber(line), ReadOnly | DontDelete);
obj->putDirect(vm, vm.propertyNames->column, jsNumber(column), ReadOnly | DontDelete);
if (!stackFrame->sourceURL.isEmpty())
obj->putDirect(vm, vm.propertyNames->sourceURL, jsString(&vm, stackFrame->sourceURL), ReadOnly | DontDelete);
if (!useCurrentFrame)
stackTrace.remove(0);
obj->putDirect(vm, vm.propertyNames->stack, vm.interpreter->stackTraceAsString(vm.topCallFrame, stackTrace), DontEnum);
return true;
}
return false;
}
void addErrorInfo(ExecState* exec, JSObject* obj, bool useCurrentFrame)
{
CallFrame* callFrame = nullptr;
unsigned bytecodeOffset = 0;
addErrorInfoAndGetBytecodeOffset(exec, exec->vm(), obj, useCurrentFrame, callFrame, bytecodeOffset);
}
JSObject* addErrorInfo(CallFrame* callFrame, JSObject* error, int line, const SourceCode& source)
{
VM* vm = &callFrame->vm();
const String& sourceURL = source.provider()->url();
if (line != -1)
error->putDirect(*vm, Identifier::fromString(vm, linePropertyName), jsNumber(line), ReadOnly | DontDelete);
if (!sourceURL.isNull())
error->putDirect(*vm, Identifier::fromString(vm, sourceURLPropertyName), jsString(vm, sourceURL), ReadOnly | DontDelete);
return error;
}
bool hasErrorInfo(ExecState* exec, JSObject* error)
{
return error->hasProperty(exec, Identifier::fromString(exec, linePropertyName))
|| error->hasProperty(exec, Identifier::fromString(exec, sourceURLPropertyName));
}
JSObject* throwTypeError(ExecState* exec)
{
return exec->vm().throwException(exec, createTypeError(exec));
}
JSObject* throwSyntaxError(ExecState* exec)
{
return exec->vm().throwException(exec, createSyntaxError(exec, ASCIILiteral("Syntax error")));
}
JSObject* throwSyntaxError(ExecState* exec, const String& message)
{
return exec->vm().throwException(exec, createSyntaxError(exec, message));
}
JSObject* createError(ExecState* exec, const String& message)
{
return createError(exec, message, nullptr);
}
JSObject* createEvalError(ExecState* exec, const String& message)
{
return createEvalError(exec, message, nullptr);
}
JSObject* createRangeError(ExecState* exec, const String& message)
{
return createRangeError(exec, message, nullptr);
}
JSObject* createReferenceError(ExecState* exec, const String& message)
{
return createReferenceError(exec, message, nullptr);
}
JSObject* createSyntaxError(ExecState* exec, const String& message)
{
return createSyntaxError(exec, message, nullptr);
}
JSObject* createTypeError(ExecState* exec)
{
return createTypeError(exec, ASCIILiteral("Type error"));
}
JSObject* createTypeError(ExecState* exec, const String& message)
{
return createTypeError(exec, message, nullptr, TypeNothing);
}
JSObject* createNotEnoughArgumentsError(ExecState* exec)
{
return createNotEnoughArgumentsError(exec, nullptr);
}
JSObject* createURIError(ExecState* exec, const String& message)
{
return createURIError(exec, message, nullptr);
}
JSObject* createOutOfMemoryError(ExecState* exec)
{
return createOutOfMemoryError(exec, nullptr);
}
const ClassInfo StrictModeTypeErrorFunction::s_info = { "Function", &Base::s_info, 0, CREATE_METHOD_TABLE(StrictModeTypeErrorFunction) };
void StrictModeTypeErrorFunction::destroy(JSCell* cell)
{
static_cast<StrictModeTypeErrorFunction*>(cell)->StrictModeTypeErrorFunction::~StrictModeTypeErrorFunction();
}
} // namespace JSC