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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkScriptRuntime_DEFINED
#define SkScriptRuntime_DEFINED
#include "SkOperand2.h"
#include "SkTDArray_Experimental.h"
#include "SkTDStack.h"
class SkScriptCallBack;
typedef SkLongArray(SkString*) SkTDStringArray;
typedef SkLongArray(SkScriptCallBack*) SkTDScriptCallBackArray;
class SkScriptRuntime {
public:
enum SkError {
kNoError,
kArrayIndexOutOfBounds,
kCouldNotFindReferencedID,
kFunctionCallFailed,
kMemberOpFailed,
kPropertyOpFailed
};
SkScriptRuntime(SkTDScriptCallBackArray& callBackArray) : fCallBackArray(callBackArray)
{ }
~SkScriptRuntime();
bool executeTokens(unsigned char* opCode);
bool getResult(SkOperand2* result);
void untrack(SkOpArray* array);
void untrack(SkString* string);
private:
void track(SkOpArray* array);
void track(SkString* string);
SkTDScriptCallBackArray& fCallBackArray;
SkError fError;
SkTDStack<SkOperand2> fRunStack;
SkLongArray(SkOpArray*) fTrackArray;
SkTDStringArray fTrackString;
// illegal
SkScriptRuntime& operator=(const SkScriptRuntime&);
};
#endif // SkScriptRuntime_DEFINED
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