ExceptionHelpers.cpp [plain text]
#include "config.h"
#include "ExceptionHelpers.h"
#include "CodeBlock.h"
#include "CallFrame.h"
#include "ErrorInstance.h"
#include "JSGlobalObjectFunctions.h"
#include "JSObject.h"
#include "JSNotAnObject.h"
#include "Interpreter.h"
#include "Nodes.h"
#include "UStringConcatenate.h"
namespace JSC {
class InterruptedExecutionError : public JSNonFinalObject {
public:
InterruptedExecutionError(JSGlobalData* globalData)
: JSNonFinalObject(*globalData, globalData->interruptedExecutionErrorStructure.get())
{
}
virtual ComplType exceptionType() const { return Interrupted; }
virtual UString toString(ExecState*) const { return "JavaScript execution exceeded timeout."; }
};
JSObject* createInterruptedExecutionException(JSGlobalData* globalData)
{
return new (globalData) InterruptedExecutionError(globalData);
}
class TerminatedExecutionError : public JSNonFinalObject {
public:
TerminatedExecutionError(JSGlobalData* globalData)
: JSNonFinalObject(*globalData, globalData->terminatedExecutionErrorStructure.get())
{
}
virtual ComplType exceptionType() const { return Terminated; }
virtual UString toString(ExecState*) const { return "JavaScript execution terminated."; }
};
JSObject* createTerminatedExecutionException(JSGlobalData* globalData)
{
return new (globalData) TerminatedExecutionError(globalData);
}
JSObject* createStackOverflowError(ExecState* exec)
{
return createRangeError(exec, "Maximum call stack size exceeded.");
}
JSObject* createStackOverflowError(JSGlobalObject* globalObject)
{
return createRangeError(globalObject, "Maximum call stack size exceeded.");
}
JSObject* createUndefinedVariableError(ExecState* exec, const Identifier& ident)
{
UString message(makeUString("Can't find variable: ", ident.ustring()));
return createReferenceError(exec, message);
}
JSObject* createInvalidParamError(ExecState* exec, const char* op, JSValue value)
{
UString errorMessage = makeUString("'", value.toString(exec), "' is not a valid argument for '", op, "'");
JSObject* exception = createTypeError(exec, errorMessage);
ASSERT(exception->isErrorInstance());
static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
JSObject* createNotAConstructorError(ExecState* exec, JSValue value)
{
UString errorMessage = makeUString("'", value.toString(exec), "' is not a constructor");
JSObject* exception = createTypeError(exec, errorMessage);
ASSERT(exception->isErrorInstance());
static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
JSObject* createNotAFunctionError(ExecState* exec, JSValue value)
{
UString errorMessage = makeUString("'", value.toString(exec), "' is not a function");
JSObject* exception = createTypeError(exec, errorMessage);
ASSERT(exception->isErrorInstance());
static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
JSObject* createNotAnObjectError(ExecState* exec, JSValue value)
{
UString errorMessage = makeUString("'", value.toString(exec), "' is not an object");
JSObject* exception = createTypeError(exec, errorMessage);
ASSERT(exception->isErrorInstance());
static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
JSObject* createErrorForInvalidGlobalAssignment(ExecState* exec, const UString& propertyName)
{
return createReferenceError(exec, makeUString("Strict mode forbids implicit creation of global property '", propertyName, "'"));
}
JSObject* createOutOfMemoryError(JSGlobalObject* globalObject)
{
return createError(globalObject, "Out of memory");
}
JSObject* throwOutOfMemoryError(ExecState* exec)
{
return throwError(exec, createOutOfMemoryError(exec->lexicalGlobalObject()));
}
JSObject* throwStackOverflowError(ExecState* exec)
{
return throwError(exec, createStackOverflowError(exec));
}
}