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
run(Module * module,int * error)24 Module *Transformer::run(Module *module, int *error) {
25 auto words = runAndSerialize(module, error);
26 return Deserialize<Module>(words);
27 }
28
runAndSerialize(Module * m,int * error)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
insert(Instruction * inst)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