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// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef VM_EXCEPTIONS_H_
#define VM_EXCEPTIONS_H_
#include "vm/allocation.h"
namespace dart {
// Forward declarations.
class Array;
class Class;
class DartFrameIterator;
class Error;
class Instance;
class Integer;
class Object;
class RawInstance;
class RawObject;
class RawScript;
class RawStacktrace;
class RawString;
class Script;
class StackFrame;
class Stacktrace;
class String;
class Thread;
class Exceptions : AllStatic {
public:
static const char* kCastErrorDstName;
static void Throw(Thread* thread, const Instance& exception);
static void ReThrow(Thread* thread,
const Instance& exception,
const Instance& stacktrace);
static void PropagateError(const Error& error);
// Helpers to create and throw errors.
static RawStacktrace* CurrentStacktrace();
static RawScript* GetCallerScript(DartFrameIterator* iterator);
static RawInstance* NewInstance(const char* class_name);
static void CreateAndThrowTypeError(intptr_t location,
const String& src_type_name,
const String& dst_type_name,
const String& dst_name,
const String& error_msg);
enum ExceptionType {
kNone,
kRange,
kArgument,
kArgumentValue,
kNoSuchMethod,
kFormat,
kUnsupported,
kStackOverflow,
kOutOfMemory,
kNullThrown,
kIsolateSpawn,
kIsolateUnhandledException,
kJavascriptIntegerOverflowError,
kJavascriptCompatibilityError,
kAssertion,
kCast,
kType,
kFallThrough,
kAbstractClassInstantiation,
kCyclicInitializationError,
};
static void ThrowByType(ExceptionType type, const Array& arguments);
// Uses the preallocated out of memory exception to avoid calling
// into Dart code or allocating any code.
static void ThrowOOM();
static void ThrowStackOverflow();
static void ThrowArgumentError(const Instance& arg);
static void ThrowRangeError(const char* argument_name,
const Integer& argument_value,
intptr_t expected_from,
intptr_t expected_to);
static void ThrowJavascriptCompatibilityError(const char* msg);
// Returns a RawInstance if the exception is successfully created,
// otherwise returns a RawError.
static RawObject* Create(ExceptionType type, const Array& arguments);
private:
DISALLOW_COPY_AND_ASSIGN(Exceptions);
};
} // namespace dart
#endif // VM_EXCEPTIONS_H_