kc3-lang/angle/src/compiler/translator/tree_util/FindMain.cpp

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• Hash : c0bb36cb
  Author :
  Date : 2018-07-10T11:10:31
  

  Vulkan: Add driver uniforms to shader.
  
  Bug: angleproject:2717
  Change-Id: I542f3b0f2de21857d7fea0267f07d2d0eec78a8c
  Reviewed-on: https://chromium-review.googlesource.com/1131567
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Luc Ferron <lucferron@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/compiler/translator/tree_util/FindMain.cpp

• //
  // Copyright (c) 2017 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // FindMain.cpp: Find the main() function definition in a given AST.
  
  #include "compiler/translator/tree_util/FindMain.h"
  
  #include "compiler/translator/IntermNode.h"
  #include "compiler/translator/Symbol.h"
  
  namespace sh
  {
  
  size_t FindMainIndex(TIntermBlock *root)
  {
      const TIntermSequence &sequence = *root->getSequence();
      for (size_t index = 0; index < sequence.size(); ++index)
      {
          TIntermNode *node                       = sequence[index];
          TIntermFunctionDefinition *nodeFunction = node->getAsFunctionDefinition();
          if (nodeFunction != nullptr && nodeFunction->getFunction()->isMain())
          {
              return index;
          }
      }
      return std::numeric_limits<size_t>::max();
  }
  
  TIntermFunctionDefinition *FindMain(TIntermBlock *root)
  {
      for (TIntermNode *node : *root->getSequence())
      {
          TIntermFunctionDefinition *nodeFunction = node->getAsFunctionDefinition();
          if (nodeFunction != nullptr && nodeFunction->getFunction()->isMain())
          {
              return nodeFunction;
          }
      }
      return nullptr;
  }
  
  TIntermBlock *FindMainBody(TIntermBlock *root)
  {
      TIntermFunctionDefinition *main = FindMain(root);
      ASSERT(main != nullptr);
      TIntermBlock *mainBody = main->getBody();
      ASSERT(mainBody != nullptr);
      return mainBody;
  }
  
  }  // namespace sh
  

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