Lasse R.H. Nielsen
cf4eaae5a6
This avoids using the (sometimes confusing) "[...)" notation for half-open ranges. Also change argument tests to simpler interval tests, and move error handling to the end of the functions. Mostly in VM typed-data libraries. R=sgjesse@google.com, srdjan@google.com Committed: https://github.com/dart-lang/sdk/commit/932bcc6901d70492c6f1b8d000b9555a0db62f4b Review URL: https://codereview.chromium.org//1132603003
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef VM_EXCEPTIONS_H_
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#define VM_EXCEPTIONS_H_
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#include "vm/allocation.h"
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namespace dart {
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// Forward declarations.
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class Array;
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class Class;
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class DartFrameIterator;
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class Error;
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class Instance;
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class Integer;
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class Object;
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class RawInstance;
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class RawObject;
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class RawScript;
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class RawStacktrace;
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class RawString;
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class Script;
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class StackFrame;
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class Stacktrace;
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class String;
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class Thread;
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class Exceptions : AllStatic {
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public:
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static const char* kCastErrorDstName;
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static void Throw(Thread* thread, const Instance& exception);
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static void ReThrow(Thread* thread,
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const Instance& exception,
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const Instance& stacktrace);
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static void PropagateError(const Error& error);
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// Helpers to create and throw errors.
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static RawStacktrace* CurrentStacktrace();
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static RawScript* GetCallerScript(DartFrameIterator* iterator);
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static RawInstance* NewInstance(const char* class_name);
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static void CreateAndThrowTypeError(intptr_t location,
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const String& src_type_name,
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const String& dst_type_name,
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const String& dst_name,
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const String& error_msg);
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enum ExceptionType {
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kNone,
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kRange,
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kRangeRange,
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kArgument,
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kNoSuchMethod,
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kFormat,
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kUnsupported,
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kStackOverflow,
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kOutOfMemory,
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kNullThrown,
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kIsolateSpawn,
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kIsolateUnhandledException,
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kJavascriptIntegerOverflowError,
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kJavascriptCompatibilityError,
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kAssertion,
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kCast,
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kType,
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kFallThrough,
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kAbstractClassInstantiation,
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kCyclicInitializationError,
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};
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static void ThrowByType(ExceptionType type, const Array& arguments);
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// Uses the preallocated out of memory exception to avoid calling
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// into Dart code or allocating any code.
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static void ThrowOOM();
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static void ThrowStackOverflow();
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static void ThrowArgumentError(const Instance& arg);
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static void ThrowRangeError(const char* argument_name,
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const Integer& argument_value,
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intptr_t expected_from,
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intptr_t expected_to);
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static void ThrowJavascriptCompatibilityError(const char* msg);
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// Returns a RawInstance if the exception is successfully created,
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// otherwise returns a RawError.
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static RawObject* Create(ExceptionType type, const Array& arguments);
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private:
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DISALLOW_COPY_AND_ASSIGN(Exceptions);
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};
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} // namespace dart
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#endif // VM_EXCEPTIONS_H_
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