Hash :
6d40bbdd
Author :
Date :
2016-09-30T13:49:38
Split TIntermBlock from TIntermAggregate The new TIntermBlock node class replaces TIntermAggregate nodes with the EOpSequence op. It represents the root node of the tree which is a list of declarations and function definitions, and any code blocks that can be denoted by curly braces. These include function and loop bodies, and if-else branches. This change enables a bunch of more compile-time type checking, and makes the AST code easier to understand and less error-prone. The PostProcess step that used to be done to ensure that the root node is TIntermAggregate is removed in favor of making sure that the root node is a TIntermBlock in the glslang.y parsing code. Intermediate output formatting is improved to print the EOpNull error in a clearer way. After this patch, TIntermAggregate is still used for function definitions, function prototypes, function parameter lists, function calls, variable and invariant declarations and the comma (sequence) operator. BUG=angleproject:1490 TEST=angle_unittests, angle_end2end_tests Change-Id: I04044affff979a11577bc1fe75d747e538b799c8 Reviewed-on: https://chromium-review.googlesource.com/393726 Commit-Queue: Olli Etuaho <oetuaho@nvidia.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
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//
// Copyright (c) 2002-2014 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.
//
#ifndef COMPILER_TRANSLATOR_REGENERATESTRUCTNAMES_H_
#define COMPILER_TRANSLATOR_REGENERATESTRUCTNAMES_H_
#include "compiler/translator/Intermediate.h"
#include "compiler/translator/SymbolTable.h"
#include <set>
class RegenerateStructNames : public TIntermTraverser
{
public:
RegenerateStructNames(const TSymbolTable &symbolTable,
int shaderVersion)
: TIntermTraverser(true, false, false),
mSymbolTable(symbolTable),
mShaderVersion(shaderVersion),
mScopeDepth(0) {}
protected:
void visitSymbol(TIntermSymbol *) override;
bool visitBlock(Visit, TIntermBlock *block) override;
private:
const TSymbolTable &mSymbolTable;
int mShaderVersion;
// Indicating the depth of the current scope.
// The global scope is 1.
int mScopeDepth;
// If a struct's declared globally, push its ID in this set.
std::set<int> mDeclaredGlobalStructs;
};
#endif // COMPILER_TRANSLATOR_REGENERATESTRUCTNAMES_H_