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/*
* Copyright 2010-2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef BCC_SCRIPT_H
#define BCC_SCRIPT_H
namespace bcc {
class Source;
class Script {
private:
// This is the source associated with this object and is going to be
// compiled.
Source *mSource;
protected:
// This hook will be invoked after the script object is successfully reset.
virtual bool doReset()
{ return true; }
public:
Script(Source &pSource) : mSource(&pSource) { }
virtual ~Script() { }
// Reset this object with the new source supplied. Return false if this
// object remains unchanged after the call (e.g., the supplied source is
// the same with the one contain in this object.) If pPreserveCurrent is
// false, the current containing source will be destroyed after successfully
// reset.
bool reset(Source &pSource, bool pPreserveCurrent = false);
// Merge (or link) another source into the current source associated with
// this Script object. Return false on error.
//
// This is equivalent to the call to Script::merge(...) on mSource.
bool mergeSource(Source &pSource, bool pPreserveSource = false);
inline Source &getSource()
{ return *mSource; }
inline const Source &getSource() const
{ return *mSource; }
};
} // end namespace bcc
#endif // BCC_SCRIPT_H