1 /* 2 * Copyright 2017, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "transformer.h" 18 19 #include "module.h" 20 21 namespace android { 22 namespace spirit { 23 24 Module *Transformer::run(Module *module, int *error) { 25 auto words = runAndSerialize(module, error); 26 return Deserialize<Module>(words); 27 } 28 29 std::vector<uint32_t> Transformer::runAndSerialize(Module *m, int *error) { 30 mModule = m; 31 32 // Since contents in the decoration or global section may change, transform 33 // and serialize the function definitions first. 34 mVisit = 0; 35 mShouldRecord = false; 36 mStream = mStreamFunctions.get(); 37 m->accept(this); 38 39 // Record in the annotation section any new annotations added 40 m->consolidateAnnotations(); 41 42 // After the functions are transformed, serialize the other sections to 43 // capture any changes made during the function transformation, and append 44 // the new words from function serialization. 45 46 mVisit = 1; 47 mShouldRecord = true; 48 mStream = mStreamFinal.get(); 49 50 // TODO fix Module::accept() to have the header serialization code there 51 m->SerializeHeader(*mStream); 52 m->accept(this); 53 54 auto output = mStream->getWords(); 55 auto functions = mStreamFunctions->getWords(); 56 output.insert(output.end(), functions.begin(), functions.end()); 57 58 if (error) { 59 *error = 0; 60 } 61 62 return output; 63 } 64 65 void Transformer::insert(Instruction *inst) { 66 // TODO: warn on nullptr inst 67 inst->Serialize(*mStream); 68 } 69 70 } // namespace spirit 71 } // namespace android 72