1 //
2 // Copyright 2020 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6
7 #include "compiler/translator/msl/MapSymbols.h"
8 #include "compiler/translator/msl/IntermRebuild.h"
9
10 using namespace sh;
11
12 ////////////////////////////////////////////////////////////////////////////////
13
14 namespace
15 {
16
17 class Rewriter : public TIntermRebuild
18 {
19 private:
20 std::function<TIntermNode &(const TFunction *, TIntermSymbol &)> mMap;
21
22 public:
Rewriter(TCompiler & compiler,std::function<TIntermNode & (const TFunction *,TIntermSymbol &)> map)23 Rewriter(TCompiler &compiler,
24 std::function<TIntermNode &(const TFunction *, TIntermSymbol &)> map)
25 : TIntermRebuild(compiler, false, true), mMap(map)
26 {}
27
visitSymbolPost(TIntermSymbol & symbolNode)28 PostResult visitSymbolPost(TIntermSymbol &symbolNode) override
29 {
30 return mMap(getParentFunction(), symbolNode);
31 }
32 };
33
34 } // namespace
35
MapSymbols(TCompiler & compiler,TIntermBlock & root,std::function<TIntermNode & (const TFunction *,TIntermSymbol &)> map)36 bool sh::MapSymbols(TCompiler &compiler,
37 TIntermBlock &root,
38 std::function<TIntermNode &(const TFunction *, TIntermSymbol &)> map)
39 {
40 Rewriter rewriter(compiler, std::move(map));
41 if (!rewriter.rebuildRoot(root))
42 {
43 return false;
44 }
45 return true;
46 }
47