| // |
| // Copyright (C) 2016 Google, Inc. |
| // Copyright (C) 2016 LunarG, Inc. |
| // |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // |
| // Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // |
| // Neither the name of Google, Inc., nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| // POSSIBILITY OF SUCH DAMAGE. |
| // |
| |
| // |
| // HLSL scanning, leveraging the scanning done by the preprocessor. |
| // |
| |
| #include <cstring> |
| #include <unordered_map> |
| #include <unordered_set> |
| |
| #include "../glslang/Include/Types.h" |
| #include "../glslang/MachineIndependent/SymbolTable.h" |
| #include "../glslang/MachineIndependent/ParseHelper.h" |
| #include "hlslScanContext.h" |
| #include "hlslTokens.h" |
| |
| // preprocessor includes |
| #include "../glslang/MachineIndependent/preprocessor/PpContext.h" |
| #include "../glslang/MachineIndependent/preprocessor/PpTokens.h" |
| |
| namespace { |
| |
| struct str_eq |
| { |
| bool operator()(const char* lhs, const char* rhs) const |
| { |
| return strcmp(lhs, rhs) == 0; |
| } |
| }; |
| |
| struct str_hash |
| { |
| size_t operator()(const char* str) const |
| { |
| // djb2 |
| unsigned long hash = 5381; |
| int c; |
| |
| while ((c = *str++) != 0) |
| hash = ((hash << 5) + hash) + c; |
| |
| return hash; |
| } |
| }; |
| |
| // A single global usable by all threads, by all versions, by all languages. |
| // After a single process-level initialization, this is read only and thread safe |
| std::unordered_map<const char*, glslang::EHlslTokenClass, str_hash, str_eq>* KeywordMap = nullptr; |
| std::unordered_set<const char*, str_hash, str_eq>* ReservedSet = nullptr; |
| std::unordered_map<const char*, glslang::TBuiltInVariable, str_hash, str_eq>* SemanticMap = nullptr; |
| |
| }; |
| |
| namespace glslang { |
| |
| void HlslScanContext::fillInKeywordMap() |
| { |
| if (KeywordMap != nullptr) { |
| // this is really an error, as this should called only once per process |
| // but, the only risk is if two threads called simultaneously |
| return; |
| } |
| KeywordMap = new std::unordered_map<const char*, EHlslTokenClass, str_hash, str_eq>; |
| |
| (*KeywordMap)["static"] = EHTokStatic; |
| (*KeywordMap)["const"] = EHTokConst; |
| (*KeywordMap)["unorm"] = EHTokUnorm; |
| (*KeywordMap)["snorm"] = EHTokSNorm; |
| (*KeywordMap)["extern"] = EHTokExtern; |
| (*KeywordMap)["uniform"] = EHTokUniform; |
| (*KeywordMap)["volatile"] = EHTokVolatile; |
| (*KeywordMap)["precise"] = EHTokPrecise; |
| (*KeywordMap)["shared"] = EHTokShared; |
| (*KeywordMap)["groupshared"] = EHTokGroupShared; |
| (*KeywordMap)["linear"] = EHTokLinear; |
| (*KeywordMap)["centroid"] = EHTokCentroid; |
| (*KeywordMap)["nointerpolation"] = EHTokNointerpolation; |
| (*KeywordMap)["noperspective"] = EHTokNoperspective; |
| (*KeywordMap)["sample"] = EHTokSample; |
| (*KeywordMap)["row_major"] = EHTokRowMajor; |
| (*KeywordMap)["column_major"] = EHTokColumnMajor; |
| (*KeywordMap)["packoffset"] = EHTokPackOffset; |
| (*KeywordMap)["in"] = EHTokIn; |
| (*KeywordMap)["out"] = EHTokOut; |
| (*KeywordMap)["inout"] = EHTokInOut; |
| (*KeywordMap)["layout"] = EHTokLayout; |
| (*KeywordMap)["globallycoherent"] = EHTokGloballyCoherent; |
| (*KeywordMap)["inline"] = EHTokInline; |
| |
| (*KeywordMap)["point"] = EHTokPoint; |
| (*KeywordMap)["line"] = EHTokLine; |
| (*KeywordMap)["triangle"] = EHTokTriangle; |
| (*KeywordMap)["lineadj"] = EHTokLineAdj; |
| (*KeywordMap)["triangleadj"] = EHTokTriangleAdj; |
| |
| (*KeywordMap)["PointStream"] = EHTokPointStream; |
| (*KeywordMap)["LineStream"] = EHTokLineStream; |
| (*KeywordMap)["TriangleStream"] = EHTokTriangleStream; |
| |
| (*KeywordMap)["InputPatch"] = EHTokInputPatch; |
| (*KeywordMap)["OutputPatch"] = EHTokOutputPatch; |
| |
| (*KeywordMap)["Buffer"] = EHTokBuffer; |
| (*KeywordMap)["vector"] = EHTokVector; |
| (*KeywordMap)["matrix"] = EHTokMatrix; |
| |
| (*KeywordMap)["void"] = EHTokVoid; |
| (*KeywordMap)["string"] = EHTokString; |
| (*KeywordMap)["bool"] = EHTokBool; |
| (*KeywordMap)["int"] = EHTokInt; |
| (*KeywordMap)["uint"] = EHTokUint; |
| (*KeywordMap)["uint64_t"] = EHTokUint64; |
| (*KeywordMap)["dword"] = EHTokDword; |
| (*KeywordMap)["half"] = EHTokHalf; |
| (*KeywordMap)["float"] = EHTokFloat; |
| (*KeywordMap)["double"] = EHTokDouble; |
| (*KeywordMap)["min16float"] = EHTokMin16float; |
| (*KeywordMap)["min10float"] = EHTokMin10float; |
| (*KeywordMap)["min16int"] = EHTokMin16int; |
| (*KeywordMap)["min12int"] = EHTokMin12int; |
| (*KeywordMap)["min16uint"] = EHTokMin16uint; |
| |
| (*KeywordMap)["bool1"] = EHTokBool1; |
| (*KeywordMap)["bool2"] = EHTokBool2; |
| (*KeywordMap)["bool3"] = EHTokBool3; |
| (*KeywordMap)["bool4"] = EHTokBool4; |
| (*KeywordMap)["float1"] = EHTokFloat1; |
| (*KeywordMap)["float2"] = EHTokFloat2; |
| (*KeywordMap)["float3"] = EHTokFloat3; |
| (*KeywordMap)["float4"] = EHTokFloat4; |
| (*KeywordMap)["int1"] = EHTokInt1; |
| (*KeywordMap)["int2"] = EHTokInt2; |
| (*KeywordMap)["int3"] = EHTokInt3; |
| (*KeywordMap)["int4"] = EHTokInt4; |
| (*KeywordMap)["double1"] = EHTokDouble1; |
| (*KeywordMap)["double2"] = EHTokDouble2; |
| (*KeywordMap)["double3"] = EHTokDouble3; |
| (*KeywordMap)["double4"] = EHTokDouble4; |
| (*KeywordMap)["uint1"] = EHTokUint1; |
| (*KeywordMap)["uint2"] = EHTokUint2; |
| (*KeywordMap)["uint3"] = EHTokUint3; |
| (*KeywordMap)["uint4"] = EHTokUint4; |
| |
| (*KeywordMap)["half1"] = EHTokHalf1; |
| (*KeywordMap)["half2"] = EHTokHalf2; |
| (*KeywordMap)["half3"] = EHTokHalf3; |
| (*KeywordMap)["half4"] = EHTokHalf4; |
| (*KeywordMap)["min16float1"] = EHTokMin16float1; |
| (*KeywordMap)["min16float2"] = EHTokMin16float2; |
| (*KeywordMap)["min16float3"] = EHTokMin16float3; |
| (*KeywordMap)["min16float4"] = EHTokMin16float4; |
| (*KeywordMap)["min10float1"] = EHTokMin10float1; |
| (*KeywordMap)["min10float2"] = EHTokMin10float2; |
| (*KeywordMap)["min10float3"] = EHTokMin10float3; |
| (*KeywordMap)["min10float4"] = EHTokMin10float4; |
| (*KeywordMap)["min16int1"] = EHTokMin16int1; |
| (*KeywordMap)["min16int2"] = EHTokMin16int2; |
| (*KeywordMap)["min16int3"] = EHTokMin16int3; |
| (*KeywordMap)["min16int4"] = EHTokMin16int4; |
| (*KeywordMap)["min12int1"] = EHTokMin12int1; |
| (*KeywordMap)["min12int2"] = EHTokMin12int2; |
| (*KeywordMap)["min12int3"] = EHTokMin12int3; |
| (*KeywordMap)["min12int4"] = EHTokMin12int4; |
| (*KeywordMap)["min16uint1"] = EHTokMin16uint1; |
| (*KeywordMap)["min16uint2"] = EHTokMin16uint2; |
| (*KeywordMap)["min16uint3"] = EHTokMin16uint3; |
| (*KeywordMap)["min16uint4"] = EHTokMin16uint4; |
| |
| (*KeywordMap)["bool1x1"] = EHTokBool1x1; |
| (*KeywordMap)["bool1x2"] = EHTokBool1x2; |
| (*KeywordMap)["bool1x3"] = EHTokBool1x3; |
| (*KeywordMap)["bool1x4"] = EHTokBool1x4; |
| (*KeywordMap)["bool2x1"] = EHTokBool2x1; |
| (*KeywordMap)["bool2x2"] = EHTokBool2x2; |
| (*KeywordMap)["bool2x3"] = EHTokBool2x3; |
| (*KeywordMap)["bool2x4"] = EHTokBool2x4; |
| (*KeywordMap)["bool3x1"] = EHTokBool3x1; |
| (*KeywordMap)["bool3x2"] = EHTokBool3x2; |
| (*KeywordMap)["bool3x3"] = EHTokBool3x3; |
| (*KeywordMap)["bool3x4"] = EHTokBool3x4; |
| (*KeywordMap)["bool4x1"] = EHTokBool4x1; |
| (*KeywordMap)["bool4x2"] = EHTokBool4x2; |
| (*KeywordMap)["bool4x3"] = EHTokBool4x3; |
| (*KeywordMap)["bool4x4"] = EHTokBool4x4; |
| (*KeywordMap)["int1x1"] = EHTokInt1x1; |
| (*KeywordMap)["int1x2"] = EHTokInt1x2; |
| (*KeywordMap)["int1x3"] = EHTokInt1x3; |
| (*KeywordMap)["int1x4"] = EHTokInt1x4; |
| (*KeywordMap)["int2x1"] = EHTokInt2x1; |
| (*KeywordMap)["int2x2"] = EHTokInt2x2; |
| (*KeywordMap)["int2x3"] = EHTokInt2x3; |
| (*KeywordMap)["int2x4"] = EHTokInt2x4; |
| (*KeywordMap)["int3x1"] = EHTokInt3x1; |
| (*KeywordMap)["int3x2"] = EHTokInt3x2; |
| (*KeywordMap)["int3x3"] = EHTokInt3x3; |
| (*KeywordMap)["int3x4"] = EHTokInt3x4; |
| (*KeywordMap)["int4x1"] = EHTokInt4x1; |
| (*KeywordMap)["int4x2"] = EHTokInt4x2; |
| (*KeywordMap)["int4x3"] = EHTokInt4x3; |
| (*KeywordMap)["int4x4"] = EHTokInt4x4; |
| (*KeywordMap)["uint1x1"] = EHTokUint1x1; |
| (*KeywordMap)["uint1x2"] = EHTokUint1x2; |
| (*KeywordMap)["uint1x3"] = EHTokUint1x3; |
| (*KeywordMap)["uint1x4"] = EHTokUint1x4; |
| (*KeywordMap)["uint2x1"] = EHTokUint2x1; |
| (*KeywordMap)["uint2x2"] = EHTokUint2x2; |
| (*KeywordMap)["uint2x3"] = EHTokUint2x3; |
| (*KeywordMap)["uint2x4"] = EHTokUint2x4; |
| (*KeywordMap)["uint3x1"] = EHTokUint3x1; |
| (*KeywordMap)["uint3x2"] = EHTokUint3x2; |
| (*KeywordMap)["uint3x3"] = EHTokUint3x3; |
| (*KeywordMap)["uint3x4"] = EHTokUint3x4; |
| (*KeywordMap)["uint4x1"] = EHTokUint4x1; |
| (*KeywordMap)["uint4x2"] = EHTokUint4x2; |
| (*KeywordMap)["uint4x3"] = EHTokUint4x3; |
| (*KeywordMap)["uint4x4"] = EHTokUint4x4; |
| (*KeywordMap)["bool1x1"] = EHTokBool1x1; |
| (*KeywordMap)["bool1x2"] = EHTokBool1x2; |
| (*KeywordMap)["bool1x3"] = EHTokBool1x3; |
| (*KeywordMap)["bool1x4"] = EHTokBool1x4; |
| (*KeywordMap)["bool2x1"] = EHTokBool2x1; |
| (*KeywordMap)["bool2x2"] = EHTokBool2x2; |
| (*KeywordMap)["bool2x3"] = EHTokBool2x3; |
| (*KeywordMap)["bool2x4"] = EHTokBool2x4; |
| (*KeywordMap)["bool3x1"] = EHTokBool3x1; |
| (*KeywordMap)["bool3x2"] = EHTokBool3x2; |
| (*KeywordMap)["bool3x3"] = EHTokBool3x3; |
| (*KeywordMap)["bool3x4"] = EHTokBool3x4; |
| (*KeywordMap)["bool4x1"] = EHTokBool4x1; |
| (*KeywordMap)["bool4x2"] = EHTokBool4x2; |
| (*KeywordMap)["bool4x3"] = EHTokBool4x3; |
| (*KeywordMap)["bool4x4"] = EHTokBool4x4; |
| (*KeywordMap)["float1x1"] = EHTokFloat1x1; |
| (*KeywordMap)["float1x2"] = EHTokFloat1x2; |
| (*KeywordMap)["float1x3"] = EHTokFloat1x3; |
| (*KeywordMap)["float1x4"] = EHTokFloat1x4; |
| (*KeywordMap)["float2x1"] = EHTokFloat2x1; |
| (*KeywordMap)["float2x2"] = EHTokFloat2x2; |
| (*KeywordMap)["float2x3"] = EHTokFloat2x3; |
| (*KeywordMap)["float2x4"] = EHTokFloat2x4; |
| (*KeywordMap)["float3x1"] = EHTokFloat3x1; |
| (*KeywordMap)["float3x2"] = EHTokFloat3x2; |
| (*KeywordMap)["float3x3"] = EHTokFloat3x3; |
| (*KeywordMap)["float3x4"] = EHTokFloat3x4; |
| (*KeywordMap)["float4x1"] = EHTokFloat4x1; |
| (*KeywordMap)["float4x2"] = EHTokFloat4x2; |
| (*KeywordMap)["float4x3"] = EHTokFloat4x3; |
| (*KeywordMap)["float4x4"] = EHTokFloat4x4; |
| (*KeywordMap)["half1x1"] = EHTokHalf1x1; |
| (*KeywordMap)["half1x2"] = EHTokHalf1x2; |
| (*KeywordMap)["half1x3"] = EHTokHalf1x3; |
| (*KeywordMap)["half1x4"] = EHTokHalf1x4; |
| (*KeywordMap)["half2x1"] = EHTokHalf2x1; |
| (*KeywordMap)["half2x2"] = EHTokHalf2x2; |
| (*KeywordMap)["half2x3"] = EHTokHalf2x3; |
| (*KeywordMap)["half2x4"] = EHTokHalf2x4; |
| (*KeywordMap)["half3x1"] = EHTokHalf3x1; |
| (*KeywordMap)["half3x2"] = EHTokHalf3x2; |
| (*KeywordMap)["half3x3"] = EHTokHalf3x3; |
| (*KeywordMap)["half3x4"] = EHTokHalf3x4; |
| (*KeywordMap)["half4x1"] = EHTokHalf4x1; |
| (*KeywordMap)["half4x2"] = EHTokHalf4x2; |
| (*KeywordMap)["half4x3"] = EHTokHalf4x3; |
| (*KeywordMap)["half4x4"] = EHTokHalf4x4; |
| (*KeywordMap)["double1x1"] = EHTokDouble1x1; |
| (*KeywordMap)["double1x2"] = EHTokDouble1x2; |
| (*KeywordMap)["double1x3"] = EHTokDouble1x3; |
| (*KeywordMap)["double1x4"] = EHTokDouble1x4; |
| (*KeywordMap)["double2x1"] = EHTokDouble2x1; |
| (*KeywordMap)["double2x2"] = EHTokDouble2x2; |
| (*KeywordMap)["double2x3"] = EHTokDouble2x3; |
| (*KeywordMap)["double2x4"] = EHTokDouble2x4; |
| (*KeywordMap)["double3x1"] = EHTokDouble3x1; |
| (*KeywordMap)["double3x2"] = EHTokDouble3x2; |
| (*KeywordMap)["double3x3"] = EHTokDouble3x3; |
| (*KeywordMap)["double3x4"] = EHTokDouble3x4; |
| (*KeywordMap)["double4x1"] = EHTokDouble4x1; |
| (*KeywordMap)["double4x2"] = EHTokDouble4x2; |
| (*KeywordMap)["double4x3"] = EHTokDouble4x3; |
| (*KeywordMap)["double4x4"] = EHTokDouble4x4; |
| |
| (*KeywordMap)["sampler"] = EHTokSampler; |
| (*KeywordMap)["sampler1D"] = EHTokSampler1d; |
| (*KeywordMap)["sampler2D"] = EHTokSampler2d; |
| (*KeywordMap)["sampler3D"] = EHTokSampler3d; |
| (*KeywordMap)["samplerCube"] = EHTokSamplerCube; |
| (*KeywordMap)["sampler_state"] = EHTokSamplerState; |
| (*KeywordMap)["SamplerState"] = EHTokSamplerState; |
| (*KeywordMap)["SamplerComparisonState"] = EHTokSamplerComparisonState; |
| (*KeywordMap)["texture"] = EHTokTexture; |
| (*KeywordMap)["Texture1D"] = EHTokTexture1d; |
| (*KeywordMap)["Texture1DArray"] = EHTokTexture1darray; |
| (*KeywordMap)["Texture2D"] = EHTokTexture2d; |
| (*KeywordMap)["Texture2DArray"] = EHTokTexture2darray; |
| (*KeywordMap)["Texture3D"] = EHTokTexture3d; |
| (*KeywordMap)["TextureCube"] = EHTokTextureCube; |
| (*KeywordMap)["TextureCubeArray"] = EHTokTextureCubearray; |
| (*KeywordMap)["Texture2DMS"] = EHTokTexture2DMS; |
| (*KeywordMap)["Texture2DMSArray"] = EHTokTexture2DMSarray; |
| (*KeywordMap)["RWTexture1D"] = EHTokRWTexture1d; |
| (*KeywordMap)["RWTexture1DArray"] = EHTokRWTexture1darray; |
| (*KeywordMap)["RWTexture2D"] = EHTokRWTexture2d; |
| (*KeywordMap)["RWTexture2DArray"] = EHTokRWTexture2darray; |
| (*KeywordMap)["RWTexture3D"] = EHTokRWTexture3d; |
| (*KeywordMap)["RWBuffer"] = EHTokRWBuffer; |
| (*KeywordMap)["SubpassInput"] = EHTokSubpassInput; |
| (*KeywordMap)["SubpassInputMS"] = EHTokSubpassInputMS; |
| |
| (*KeywordMap)["AppendStructuredBuffer"] = EHTokAppendStructuredBuffer; |
| (*KeywordMap)["ByteAddressBuffer"] = EHTokByteAddressBuffer; |
| (*KeywordMap)["ConsumeStructuredBuffer"] = EHTokConsumeStructuredBuffer; |
| (*KeywordMap)["RWByteAddressBuffer"] = EHTokRWByteAddressBuffer; |
| (*KeywordMap)["RWStructuredBuffer"] = EHTokRWStructuredBuffer; |
| (*KeywordMap)["StructuredBuffer"] = EHTokStructuredBuffer; |
| |
| (*KeywordMap)["class"] = EHTokClass; |
| (*KeywordMap)["struct"] = EHTokStruct; |
| (*KeywordMap)["cbuffer"] = EHTokCBuffer; |
| (*KeywordMap)["ConstantBuffer"] = EHTokConstantBuffer; |
| (*KeywordMap)["tbuffer"] = EHTokTBuffer; |
| (*KeywordMap)["typedef"] = EHTokTypedef; |
| (*KeywordMap)["this"] = EHTokThis; |
| (*KeywordMap)["namespace"] = EHTokNamespace; |
| |
| (*KeywordMap)["true"] = EHTokBoolConstant; |
| (*KeywordMap)["false"] = EHTokBoolConstant; |
| |
| (*KeywordMap)["for"] = EHTokFor; |
| (*KeywordMap)["do"] = EHTokDo; |
| (*KeywordMap)["while"] = EHTokWhile; |
| (*KeywordMap)["break"] = EHTokBreak; |
| (*KeywordMap)["continue"] = EHTokContinue; |
| (*KeywordMap)["if"] = EHTokIf; |
| (*KeywordMap)["else"] = EHTokElse; |
| (*KeywordMap)["discard"] = EHTokDiscard; |
| (*KeywordMap)["return"] = EHTokReturn; |
| (*KeywordMap)["switch"] = EHTokSwitch; |
| (*KeywordMap)["case"] = EHTokCase; |
| (*KeywordMap)["default"] = EHTokDefault; |
| |
| // TODO: get correct set here |
| ReservedSet = new std::unordered_set<const char*, str_hash, str_eq>; |
| |
| ReservedSet->insert("auto"); |
| ReservedSet->insert("catch"); |
| ReservedSet->insert("char"); |
| ReservedSet->insert("const_cast"); |
| ReservedSet->insert("enum"); |
| ReservedSet->insert("explicit"); |
| ReservedSet->insert("friend"); |
| ReservedSet->insert("goto"); |
| ReservedSet->insert("long"); |
| ReservedSet->insert("mutable"); |
| ReservedSet->insert("new"); |
| ReservedSet->insert("operator"); |
| ReservedSet->insert("private"); |
| ReservedSet->insert("protected"); |
| ReservedSet->insert("public"); |
| ReservedSet->insert("reinterpret_cast"); |
| ReservedSet->insert("short"); |
| ReservedSet->insert("signed"); |
| ReservedSet->insert("sizeof"); |
| ReservedSet->insert("static_cast"); |
| ReservedSet->insert("template"); |
| ReservedSet->insert("throw"); |
| ReservedSet->insert("try"); |
| ReservedSet->insert("typename"); |
| ReservedSet->insert("union"); |
| ReservedSet->insert("unsigned"); |
| ReservedSet->insert("using"); |
| ReservedSet->insert("virtual"); |
| |
| SemanticMap = new std::unordered_map<const char*, glslang::TBuiltInVariable, str_hash, str_eq>; |
| |
| // in DX9, all outputs had to have a semantic associated with them, that was either consumed |
| // by the system or was a specific register assignment |
| // in DX10+, only semantics with the SV_ prefix have any meaning beyond decoration |
| // Fxc will only accept DX9 style semantics in compat mode |
| // Also, in DX10 if a SV value is present as the input of a stage, but isn't appropriate for that |
| // stage, it would just be ignored as it is likely there as part of an output struct from one stage |
| // to the next |
| bool bParseDX9 = false; |
| if (bParseDX9) { |
| (*SemanticMap)["PSIZE"] = EbvPointSize; |
| (*SemanticMap)["FOG"] = EbvFogFragCoord; |
| (*SemanticMap)["DEPTH"] = EbvFragDepth; |
| (*SemanticMap)["VFACE"] = EbvFace; |
| (*SemanticMap)["VPOS"] = EbvFragCoord; |
| } |
| |
| (*SemanticMap)["SV_POSITION"] = EbvPosition; |
| (*SemanticMap)["SV_VERTEXID"] = EbvVertexIndex; |
| (*SemanticMap)["SV_VIEWPORTARRAYINDEX"] = EbvViewportIndex; |
| (*SemanticMap)["SV_TESSFACTOR"] = EbvTessLevelOuter; |
| (*SemanticMap)["SV_SAMPLEINDEX"] = EbvSampleId; |
| (*SemanticMap)["SV_RENDERTARGETARRAYINDEX"] = EbvLayer; |
| (*SemanticMap)["SV_PRIMITIVEID"] = EbvPrimitiveId; |
| (*SemanticMap)["SV_OUTPUTCONTROLPOINTID"] = EbvInvocationId; |
| (*SemanticMap)["SV_ISFRONTFACE"] = EbvFace; |
| (*SemanticMap)["SV_INSTANCEID"] = EbvInstanceIndex; |
| (*SemanticMap)["SV_INSIDETESSFACTOR"] = EbvTessLevelInner; |
| (*SemanticMap)["SV_GSINSTANCEID"] = EbvInvocationId; |
| (*SemanticMap)["SV_DISPATCHTHREADID"] = EbvGlobalInvocationId; |
| (*SemanticMap)["SV_GROUPTHREADID"] = EbvLocalInvocationId; |
| (*SemanticMap)["SV_GROUPINDEX"] = EbvLocalInvocationIndex; |
| (*SemanticMap)["SV_GROUPID"] = EbvWorkGroupId; |
| (*SemanticMap)["SV_DOMAINLOCATION"] = EbvTessCoord; |
| (*SemanticMap)["SV_DEPTH"] = EbvFragDepth; |
| (*SemanticMap)["SV_COVERAGE"] = EbvSampleMask; |
| (*SemanticMap)["SV_DEPTHGREATEREQUAL"] = EbvFragDepthGreater; |
| (*SemanticMap)["SV_DEPTHLESSEQUAL"] = EbvFragDepthLesser; |
| (*SemanticMap)["SV_STENCILREF"] = EbvFragStencilRef; |
| } |
| |
| void HlslScanContext::deleteKeywordMap() |
| { |
| delete KeywordMap; |
| KeywordMap = nullptr; |
| delete ReservedSet; |
| ReservedSet = nullptr; |
| delete SemanticMap; |
| SemanticMap = nullptr; |
| } |
| |
| // Wrapper for tokenizeClass() to get everything inside the token. |
| void HlslScanContext::tokenize(HlslToken& token) |
| { |
| EHlslTokenClass tokenClass = tokenizeClass(token); |
| token.tokenClass = tokenClass; |
| } |
| |
| glslang::TBuiltInVariable HlslScanContext::mapSemantic(const char* upperCase) |
| { |
| auto it = SemanticMap->find(upperCase); |
| if (it != SemanticMap->end()) |
| return it->second; |
| else |
| return glslang::EbvNone; |
| } |
| |
| // |
| // Fill in token information for the next token, except for the token class. |
| // Returns the enum value of the token class of the next token found. |
| // Return 0 (EndOfTokens) on end of input. |
| // |
| EHlslTokenClass HlslScanContext::tokenizeClass(HlslToken& token) |
| { |
| do { |
| parserToken = &token; |
| TPpToken ppToken; |
| int token = ppContext.tokenize(ppToken); |
| if (token == EndOfInput) |
| return EHTokNone; |
| |
| tokenText = ppToken.name; |
| loc = ppToken.loc; |
| parserToken->loc = loc; |
| switch (token) { |
| case ';': return EHTokSemicolon; |
| case ',': return EHTokComma; |
| case ':': return EHTokColon; |
| case '=': return EHTokAssign; |
| case '(': return EHTokLeftParen; |
| case ')': return EHTokRightParen; |
| case '.': return EHTokDot; |
| case '!': return EHTokBang; |
| case '-': return EHTokDash; |
| case '~': return EHTokTilde; |
| case '+': return EHTokPlus; |
| case '*': return EHTokStar; |
| case '/': return EHTokSlash; |
| case '%': return EHTokPercent; |
| case '<': return EHTokLeftAngle; |
| case '>': return EHTokRightAngle; |
| case '|': return EHTokVerticalBar; |
| case '^': return EHTokCaret; |
| case '&': return EHTokAmpersand; |
| case '?': return EHTokQuestion; |
| case '[': return EHTokLeftBracket; |
| case ']': return EHTokRightBracket; |
| case '{': return EHTokLeftBrace; |
| case '}': return EHTokRightBrace; |
| case '\\': |
| parseContext.error(loc, "illegal use of escape character", "\\", ""); |
| break; |
| |
| case PPAtomAddAssign: return EHTokAddAssign; |
| case PPAtomSubAssign: return EHTokSubAssign; |
| case PPAtomMulAssign: return EHTokMulAssign; |
| case PPAtomDivAssign: return EHTokDivAssign; |
| case PPAtomModAssign: return EHTokModAssign; |
| |
| case PpAtomRight: return EHTokRightOp; |
| case PpAtomLeft: return EHTokLeftOp; |
| |
| case PpAtomRightAssign: return EHTokRightAssign; |
| case PpAtomLeftAssign: return EHTokLeftAssign; |
| case PpAtomAndAssign: return EHTokAndAssign; |
| case PpAtomOrAssign: return EHTokOrAssign; |
| case PpAtomXorAssign: return EHTokXorAssign; |
| |
| case PpAtomAnd: return EHTokAndOp; |
| case PpAtomOr: return EHTokOrOp; |
| case PpAtomXor: return EHTokXorOp; |
| |
| case PpAtomEQ: return EHTokEqOp; |
| case PpAtomGE: return EHTokGeOp; |
| case PpAtomNE: return EHTokNeOp; |
| case PpAtomLE: return EHTokLeOp; |
| |
| case PpAtomDecrement: return EHTokDecOp; |
| case PpAtomIncrement: return EHTokIncOp; |
| |
| case PpAtomColonColon: return EHTokColonColon; |
| |
| case PpAtomConstInt: parserToken->i = ppToken.ival; return EHTokIntConstant; |
| case PpAtomConstUint: parserToken->i = ppToken.ival; return EHTokUintConstant; |
| case PpAtomConstFloat: parserToken->d = ppToken.dval; return EHTokFloatConstant; |
| case PpAtomConstDouble: parserToken->d = ppToken.dval; return EHTokDoubleConstant; |
| case PpAtomIdentifier: |
| { |
| EHlslTokenClass token = tokenizeIdentifier(); |
| return token; |
| } |
| |
| case PpAtomConstString: { |
| parserToken->string = NewPoolTString(tokenText); |
| return EHTokStringConstant; |
| } |
| |
| case EndOfInput: return EHTokNone; |
| |
| default: |
| char buf[2]; |
| buf[0] = (char)token; |
| buf[1] = 0; |
| parseContext.error(loc, "unexpected token", buf, ""); |
| break; |
| } |
| } while (true); |
| } |
| |
| EHlslTokenClass HlslScanContext::tokenizeIdentifier() |
| { |
| if (ReservedSet->find(tokenText) != ReservedSet->end()) |
| return reservedWord(); |
| |
| auto it = KeywordMap->find(tokenText); |
| if (it == KeywordMap->end()) { |
| // Should have an identifier of some sort |
| return identifierOrType(); |
| } |
| keyword = it->second; |
| |
| switch (keyword) { |
| |
| // qualifiers |
| case EHTokStatic: |
| case EHTokConst: |
| case EHTokSNorm: |
| case EHTokUnorm: |
| case EHTokExtern: |
| case EHTokUniform: |
| case EHTokVolatile: |
| case EHTokShared: |
| case EHTokGroupShared: |
| case EHTokLinear: |
| case EHTokCentroid: |
| case EHTokNointerpolation: |
| case EHTokNoperspective: |
| case EHTokSample: |
| case EHTokRowMajor: |
| case EHTokColumnMajor: |
| case EHTokPackOffset: |
| case EHTokIn: |
| case EHTokOut: |
| case EHTokInOut: |
| case EHTokPrecise: |
| case EHTokLayout: |
| case EHTokGloballyCoherent: |
| case EHTokInline: |
| return keyword; |
| |
| // primitive types |
| case EHTokPoint: |
| case EHTokLine: |
| case EHTokTriangle: |
| case EHTokLineAdj: |
| case EHTokTriangleAdj: |
| return keyword; |
| |
| // stream out types |
| case EHTokPointStream: |
| case EHTokLineStream: |
| case EHTokTriangleStream: |
| return keyword; |
| |
| // Tessellation patches |
| case EHTokInputPatch: |
| case EHTokOutputPatch: |
| return keyword; |
| |
| case EHTokBuffer: |
| case EHTokVector: |
| case EHTokMatrix: |
| return keyword; |
| |
| // scalar types |
| case EHTokVoid: |
| case EHTokString: |
| case EHTokBool: |
| case EHTokInt: |
| case EHTokUint: |
| case EHTokUint64: |
| case EHTokDword: |
| case EHTokHalf: |
| case EHTokFloat: |
| case EHTokDouble: |
| case EHTokMin16float: |
| case EHTokMin10float: |
| case EHTokMin16int: |
| case EHTokMin12int: |
| case EHTokMin16uint: |
| |
| // vector types |
| case EHTokBool1: |
| case EHTokBool2: |
| case EHTokBool3: |
| case EHTokBool4: |
| case EHTokFloat1: |
| case EHTokFloat2: |
| case EHTokFloat3: |
| case EHTokFloat4: |
| case EHTokInt1: |
| case EHTokInt2: |
| case EHTokInt3: |
| case EHTokInt4: |
| case EHTokDouble1: |
| case EHTokDouble2: |
| case EHTokDouble3: |
| case EHTokDouble4: |
| case EHTokUint1: |
| case EHTokUint2: |
| case EHTokUint3: |
| case EHTokUint4: |
| case EHTokHalf1: |
| case EHTokHalf2: |
| case EHTokHalf3: |
| case EHTokHalf4: |
| case EHTokMin16float1: |
| case EHTokMin16float2: |
| case EHTokMin16float3: |
| case EHTokMin16float4: |
| case EHTokMin10float1: |
| case EHTokMin10float2: |
| case EHTokMin10float3: |
| case EHTokMin10float4: |
| case EHTokMin16int1: |
| case EHTokMin16int2: |
| case EHTokMin16int3: |
| case EHTokMin16int4: |
| case EHTokMin12int1: |
| case EHTokMin12int2: |
| case EHTokMin12int3: |
| case EHTokMin12int4: |
| case EHTokMin16uint1: |
| case EHTokMin16uint2: |
| case EHTokMin16uint3: |
| case EHTokMin16uint4: |
| |
| // matrix types |
| case EHTokBool1x1: |
| case EHTokBool1x2: |
| case EHTokBool1x3: |
| case EHTokBool1x4: |
| case EHTokBool2x1: |
| case EHTokBool2x2: |
| case EHTokBool2x3: |
| case EHTokBool2x4: |
| case EHTokBool3x1: |
| case EHTokBool3x2: |
| case EHTokBool3x3: |
| case EHTokBool3x4: |
| case EHTokBool4x1: |
| case EHTokBool4x2: |
| case EHTokBool4x3: |
| case EHTokBool4x4: |
| case EHTokInt1x1: |
| case EHTokInt1x2: |
| case EHTokInt1x3: |
| case EHTokInt1x4: |
| case EHTokInt2x1: |
| case EHTokInt2x2: |
| case EHTokInt2x3: |
| case EHTokInt2x4: |
| case EHTokInt3x1: |
| case EHTokInt3x2: |
| case EHTokInt3x3: |
| case EHTokInt3x4: |
| case EHTokInt4x1: |
| case EHTokInt4x2: |
| case EHTokInt4x3: |
| case EHTokInt4x4: |
| case EHTokUint1x1: |
| case EHTokUint1x2: |
| case EHTokUint1x3: |
| case EHTokUint1x4: |
| case EHTokUint2x1: |
| case EHTokUint2x2: |
| case EHTokUint2x3: |
| case EHTokUint2x4: |
| case EHTokUint3x1: |
| case EHTokUint3x2: |
| case EHTokUint3x3: |
| case EHTokUint3x4: |
| case EHTokUint4x1: |
| case EHTokUint4x2: |
| case EHTokUint4x3: |
| case EHTokUint4x4: |
| case EHTokFloat1x1: |
| case EHTokFloat1x2: |
| case EHTokFloat1x3: |
| case EHTokFloat1x4: |
| case EHTokFloat2x1: |
| case EHTokFloat2x2: |
| case EHTokFloat2x3: |
| case EHTokFloat2x4: |
| case EHTokFloat3x1: |
| case EHTokFloat3x2: |
| case EHTokFloat3x3: |
| case EHTokFloat3x4: |
| case EHTokFloat4x1: |
| case EHTokFloat4x2: |
| case EHTokFloat4x3: |
| case EHTokFloat4x4: |
| case EHTokHalf1x1: |
| case EHTokHalf1x2: |
| case EHTokHalf1x3: |
| case EHTokHalf1x4: |
| case EHTokHalf2x1: |
| case EHTokHalf2x2: |
| case EHTokHalf2x3: |
| case EHTokHalf2x4: |
| case EHTokHalf3x1: |
| case EHTokHalf3x2: |
| case EHTokHalf3x3: |
| case EHTokHalf3x4: |
| case EHTokHalf4x1: |
| case EHTokHalf4x2: |
| case EHTokHalf4x3: |
| case EHTokHalf4x4: |
| case EHTokDouble1x1: |
| case EHTokDouble1x2: |
| case EHTokDouble1x3: |
| case EHTokDouble1x4: |
| case EHTokDouble2x1: |
| case EHTokDouble2x2: |
| case EHTokDouble2x3: |
| case EHTokDouble2x4: |
| case EHTokDouble3x1: |
| case EHTokDouble3x2: |
| case EHTokDouble3x3: |
| case EHTokDouble3x4: |
| case EHTokDouble4x1: |
| case EHTokDouble4x2: |
| case EHTokDouble4x3: |
| case EHTokDouble4x4: |
| return keyword; |
| |
| // texturing types |
| case EHTokSampler: |
| case EHTokSampler1d: |
| case EHTokSampler2d: |
| case EHTokSampler3d: |
| case EHTokSamplerCube: |
| case EHTokSamplerState: |
| case EHTokSamplerComparisonState: |
| case EHTokTexture: |
| case EHTokTexture1d: |
| case EHTokTexture1darray: |
| case EHTokTexture2d: |
| case EHTokTexture2darray: |
| case EHTokTexture3d: |
| case EHTokTextureCube: |
| case EHTokTextureCubearray: |
| case EHTokTexture2DMS: |
| case EHTokTexture2DMSarray: |
| case EHTokRWTexture1d: |
| case EHTokRWTexture1darray: |
| case EHTokRWTexture2d: |
| case EHTokRWTexture2darray: |
| case EHTokRWTexture3d: |
| case EHTokRWBuffer: |
| case EHTokAppendStructuredBuffer: |
| case EHTokByteAddressBuffer: |
| case EHTokConsumeStructuredBuffer: |
| case EHTokRWByteAddressBuffer: |
| case EHTokRWStructuredBuffer: |
| case EHTokStructuredBuffer: |
| case EHTokSubpassInput: |
| case EHTokSubpassInputMS: |
| return keyword; |
| |
| // variable, user type, ... |
| case EHTokClass: |
| case EHTokStruct: |
| case EHTokTypedef: |
| case EHTokCBuffer: |
| case EHTokConstantBuffer: |
| case EHTokTBuffer: |
| case EHTokThis: |
| case EHTokNamespace: |
| return keyword; |
| |
| case EHTokBoolConstant: |
| if (strcmp("true", tokenText) == 0) |
| parserToken->b = true; |
| else |
| parserToken->b = false; |
| return keyword; |
| |
| // control flow |
| case EHTokFor: |
| case EHTokDo: |
| case EHTokWhile: |
| case EHTokBreak: |
| case EHTokContinue: |
| case EHTokIf: |
| case EHTokElse: |
| case EHTokDiscard: |
| case EHTokReturn: |
| case EHTokCase: |
| case EHTokSwitch: |
| case EHTokDefault: |
| return keyword; |
| |
| default: |
| parseContext.infoSink.info.message(EPrefixInternalError, "Unknown glslang keyword", loc); |
| return EHTokNone; |
| } |
| } |
| |
| EHlslTokenClass HlslScanContext::identifierOrType() |
| { |
| parserToken->string = NewPoolTString(tokenText); |
| |
| return EHTokIdentifier; |
| } |
| |
| // Give an error for use of a reserved symbol. |
| // However, allow built-in declarations to use reserved words, to allow |
| // extension support before the extension is enabled. |
| EHlslTokenClass HlslScanContext::reservedWord() |
| { |
| if (! parseContext.symbolTable.atBuiltInLevel()) |
| parseContext.error(loc, "Reserved word.", tokenText, "", ""); |
| |
| return EHTokNone; |
| } |
| |
| } // end namespace glslang |
