52c087ff53
There was some code replication around getting string and integer values out of an attribute map. This adds new methods to the TAttributeMap class to encapsulate some accessor details.
125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
//
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// Copyright (C) 2016 LunarG, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of Google, Inc., nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef HLSLATTRIBUTES_H_
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#define HLSLATTRIBUTES_H_
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#include <unordered_map>
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#include <functional>
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#include "hlslScanContext.h"
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#include "../glslang/Include/Common.h"
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namespace glslang {
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enum TAttributeType {
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EatNone,
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EatAllow_uav_condition,
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EatBranch,
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EatCall,
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EatDomain,
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EatEarlyDepthStencil,
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EatFastOpt,
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EatFlatten,
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EatForceCase,
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EatInstance,
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EatMaxTessFactor,
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EatNumThreads,
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EatMaxVertexCount,
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EatOutputControlPoints,
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EatOutputTopology,
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EatPartitioning,
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EatPatchConstantFunc,
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EatPatchSize,
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EatUnroll,
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EatLoop,
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EatBinding,
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EatLocation,
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EatInputAttachment
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};
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}
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namespace std {
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// Allow use of TAttributeType enum in hash_map without calling code having to cast.
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template <> struct hash<glslang::TAttributeType> {
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std::size_t operator()(glslang::TAttributeType attr) const {
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return std::hash<int>()(int(attr));
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}
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};
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} // end namespace std
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namespace glslang {
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class TIntermAggregate;
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class TAttributeMap {
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public:
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// Search for and potentially add the attribute into the map. Return the
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// attribute type enum for it, if found, else EatNone.
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TAttributeType setAttribute(const TString& nameSpace, const TString* name, TIntermAggregate* value);
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// Const lookup: search for (but do not modify) the attribute in the map.
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const TIntermAggregate* operator[](TAttributeType) const;
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// True if entry exists in map (even if value is nullptr)
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bool contains(TAttributeType) const;
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// Obtain attribute as integer
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bool getInt(TAttributeType attr, int& value, int argNum = 0) const;
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// Obtain attribute as string, with optional to-lower transform
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bool getString(TAttributeType attr, TString& value, int argNum = 0, bool convertToLower = true) const;
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protected:
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// Helper to get attribute const union
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const TConstUnion* getConstUnion(TAttributeType attr, TBasicType, int argNum) const;
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// Find an attribute enum given its name.
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static TAttributeType attributeFromName(const TString& nameSpace, const TString& name);
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std::unordered_map<TAttributeType, TIntermAggregate*> attributes;
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};
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class TFunctionDeclarator {
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public:
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TFunctionDeclarator() : function(nullptr), body(nullptr) { }
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TSourceLoc loc;
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TFunction* function;
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TAttributeMap attributes;
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TVector<HlslToken>* body;
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};
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} // end namespace glslang
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#endif // HLSLATTRIBUTES_H_
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