michael@0: 
michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: #ifndef SkScriptRuntime_DEFINED
michael@0: #define SkScriptRuntime_DEFINED
michael@0: 
michael@0: #include "SkOperand2.h"
michael@0: #include "SkTDArray_Experimental.h"
michael@0: #include "SkTDStack.h"
michael@0: 
michael@0: class SkScriptCallBack;
michael@0: 
michael@0: typedef SkLongArray(SkString*) SkTDStringArray;
michael@0: typedef SkLongArray(SkScriptCallBack*) SkTDScriptCallBackArray;
michael@0: 
michael@0: class SkScriptRuntime {
michael@0: public:
michael@0:     enum SkError {
michael@0:         kNoError,
michael@0:         kArrayIndexOutOfBounds,
michael@0:         kCouldNotFindReferencedID,
michael@0:         kFunctionCallFailed,
michael@0:         kMemberOpFailed,
michael@0:         kPropertyOpFailed
michael@0:     };
michael@0: 
michael@0:     SkScriptRuntime(SkTDScriptCallBackArray& callBackArray) : fCallBackArray(callBackArray)
michael@0:         {  }
michael@0:     ~SkScriptRuntime();
michael@0:     bool executeTokens(unsigned char* opCode);
michael@0:     bool getResult(SkOperand2* result);
michael@0:     void untrack(SkOpArray* array);
michael@0:     void untrack(SkString* string);
michael@0: private:
michael@0:     void track(SkOpArray* array);
michael@0:     void track(SkString* string);
michael@0:     SkTDScriptCallBackArray& fCallBackArray;
michael@0:     SkError fError;
michael@0:     SkTDStack<SkOperand2> fRunStack;
michael@0:     SkLongArray(SkOpArray*) fTrackArray;
michael@0:     SkTDStringArray fTrackString;
michael@0:     // illegal
michael@0:     SkScriptRuntime& operator=(const SkScriptRuntime&);
michael@0: };
michael@0: 
michael@0: #endif // SkScriptRuntime_DEFINED