| /* |
| * 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_EXECUTION_ENGINE_SCRIPT_H |
| #define BCC_EXECUTION_ENGINE_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 succssfully reset |
| // itself. |
| 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_EXECUTION_ENGINE_SCRIPT_H |