Vulkan-Hpp/VulkanHppGenerator.hpp

250 lines
17 KiB
C++

// Copyright(c) 2015-2019, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <map>
#include <iostream>
#include <set>
#include <vector>
#include <tinyxml2.h>
class VulkanHppGenerator
{
public:
VulkanHppGenerator()
{
m_handles.insert(std::make_pair("", HandleData())); // insert the default "handle" without class (for createInstance, and such)
}
void checkCorrectness();
std::set<std::string> gatherForwardDeclarations();
std::string const& getTypesafeCheck() const;
std::string const& getVersion() const;
std::string const& getVulkanLicenseHeader() const;
void readCommands(tinyxml2::XMLElement const* element);
void readComment(tinyxml2::XMLElement const* element);
void readEnums(tinyxml2::XMLElement const* element);
void readExtensions(tinyxml2::XMLElement const* element);
void readFeature(tinyxml2::XMLElement const* element);
void readPlatforms(tinyxml2::XMLElement const* element);
void readTags(tinyxml2::XMLElement const* element);
void readTypes(tinyxml2::XMLElement const* element);
void writeBaseTypes(std::ostream & os) const;
void writeBitmasks(std::ostream & os) const;
void writeDispatchLoaderDynamic(std::ostream &os); // use vkGet*ProcAddress to get function pointers
void writeDispatchLoaderStatic(std::ostream &os); // use exported symbols from loader
void writeEnums(std::ostream & os) const;
void writeForwardDeclarations(std::ostream & os, std::set<std::string> const& forwardDeclarations) const;
void writeHandles(std::ostream & os) const;
void writeHandlesCommandDefintions(std::ostream & os) const;
void writeResultExceptions(std::ostream & os) const;
void writeStructs(std::ostream & os) const;
void writeStructureChainValidation(std::ostream & os);
void writeThrowExceptions(std::ostream& os) const;
private:
struct BitmaskData
{
BitmaskData(std::string const& r)
: requires(r)
{}
std::string requires; // original vulkan name: VK*FlagBits
std::string platform;
std::string alias; // original vulkan name
};
struct TypeData
{
std::string compose() const;
bool operator==(TypeData const& rhs) const
{
return (prefix == rhs.prefix) && (type == rhs.type) && (postfix == rhs.postfix);
}
std::string prefix;
std::string type;
std::string postfix;
};
struct ParamData
{
ParamData()
: optional(false)
{}
TypeData type;
std::string name;
std::string arraySize;
std::string len;
bool optional;
};
struct CommandData
{
CommandData()
: isAlias(false)
{}
std::vector<ParamData> params;
std::string platform;
std::string returnType;
std::vector<std::string> successCodes;
bool isAlias;
};
struct EnumData
{
void addAlias(std::string const& valueName, std::string const& aliasName, bool bitmask, std::string const& prefix, std::string const& postfix, std::string const& tag);
void addEnumValue(std::string const& valueName, bool bitmask, std::string const& prefix, std::string const& postfix, std::string const& tag);
std::vector<std::pair<std::string, std::string>> values; // pairs of vulkan enum value and corresponding vk::-namespace enum value
std::vector<std::pair<std::string, std::string>> aliases; // pairs of vulkan enum value and corresponding vk::-namespace enum value
};
struct HandleData
{
std::string alias;
std::map<std::string, CommandData> commands;
std::string deleteCommand;
std::string deletePool;
std::set<std::string> childrenHandles;
};
struct MemberData
{
TypeData type;
std::string name;
std::string arraySize;
std::string values;
};
struct StructureData
{
StructureData()
: returnedOnly(false)
{}
bool returnedOnly;
bool isUnion;
std::vector<MemberData> members;
std::string protect;
std::vector<std::string> structExtends;
std::string alias;
std::string subStruct;
};
private:
bool containsUnion(std::string const& type) const;
std::string defaultValue(std::string const& type) const;
std::string determineEnhancedReturnType(CommandData const& commandData, size_t returnParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, bool isStructureChain) const;
size_t determineReturnParamIndex(CommandData const& commandData, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep) const;
std::string determineSubStruct(std::pair<std::string, StructureData> const& structure) const;
size_t determineTemplateParamIndex(std::vector<ParamData> const& params, std::map<size_t, size_t> const& vectorParamIndices) const;
std::map<size_t, size_t> determineVectorParamIndices(std::vector<ParamData> const& params) const;
std::string generateCall(std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, bool firstCall, bool singular) const;
bool isTwoStepAlgorithm(std::vector<ParamData> const& params) const;
void linkCommandToHandle(std::string const& name, CommandData const& commandData);
void readBaseType(tinyxml2::XMLElement const* element, std::map<std::string, std::string> const& attributes);
void readBitmask(tinyxml2::XMLElement const* element, std::map<std::string, std::string> const& attributes);
void readBitmaskAlias(int lineNum, std::string const& alias, std::map<std::string, std::string> const& attributes, std::vector<tinyxml2::XMLElement const*> const& children);
void readCommand(tinyxml2::XMLElement const* element);
void readCommandAlias(int lineNum, std::string const& alias, std::map<std::string, std::string> const& attributes, std::vector<tinyxml2::XMLElement const*> const& children);
ParamData readCommandParam(tinyxml2::XMLElement const* element);
std::string readCommandProto(tinyxml2::XMLElement const* element, std::string & returnType);
std::vector<std::string> readCommandSuccessCodes(std::map<std::string, std::string> const& attributes);
void readDefine(tinyxml2::XMLElement const* element, std::map<std::string, std::string> const& attributes);
void readEnum(tinyxml2::XMLElement const* element, EnumData & enumData, bool bitmask, std::string const& prefix, std::string const& postfix);
void readExtension(tinyxml2::XMLElement const* element);
void readExtensionDisabled(std::vector<tinyxml2::XMLElement const*> const& children);
void readExtensionDisabledRequire(tinyxml2::XMLElement const* element);
void readExtensionRequire(tinyxml2::XMLElement const* element, std::string const& platform, std::string const& tag);
void readExtensionRequireCommand(tinyxml2::XMLElement const* element, std::string const& platform);
void readExtensionRequireEnum(tinyxml2::XMLElement const* element, std::string const& tag);
void readExtensionRequireType(tinyxml2::XMLElement const* element, std::string const& platform);
void readFeatureRequire(tinyxml2::XMLElement const* element);
void readFeatureRequireEnum(tinyxml2::XMLElement const* element);
void readFuncpointer(tinyxml2::XMLElement const* element, std::map<std::string, std::string> const& attributes);
void readHandle(tinyxml2::XMLElement const* element, std::map<std::string, std::string> const& attributes);
void readPlatform(tinyxml2::XMLElement const* element);
void readStruct(tinyxml2::XMLElement const* element, bool isUnion, std::map<std::string, std::string> const& attributes);
void readStructAlias(int lineNum, std::string const& name, std::string const& alias, std::map<std::string, std::string> const& attributes);
MemberData readStructMember(tinyxml2::XMLElement const* element);
std::vector<MemberData> readStructMembers(std::vector<tinyxml2::XMLElement const*> const& children);
void readTag(tinyxml2::XMLElement const* element);
void readType(tinyxml2::XMLElement const* element);
void registerDeleter(std::string const& name, std::pair<std::string, CommandData> const& commandData);
void unlinkCommandFromHandle(std::string const& name);
void writeArgumentPlainType(std::ostream & os, ParamData const& paramData) const;
void writeArguments(std::ostream & os, CommandData const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, bool firstCall, bool singular, size_t from, size_t to) const;
void writeArgumentVector(std::ostream & os, size_t paramIndex, ParamData const& paramData, size_t returnParamIndex, size_t templateParamIndex, bool twoStep, bool firstCall, bool singular) const;
void writeArgumentVulkanType(std::ostream & os, ParamData const& paramData) const;
void writeCommand(std::ostream &os, std::string const& indentation, std::string const& name, std::pair<std::string, CommandData> const& commandData, bool definition) const;
void writeEnum(std::ostream & os, std::pair<std::string,EnumData> const& enumData) const;
void writeFunction(std::ostream & os, std::string const& indentation, std::string const& name, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, std::string const& enhancedReturnType, bool definition, bool enhanced, bool singular, bool unique, bool isStructureChain, bool withAllocator) const;
void writeFunctionBodyEnhanced(std::ostream & os, std::string const& indentation, std::string const& commandName, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, std::string const& enhancedReturnType, bool singular, bool unique, bool isStructureChain, bool withAllocator) const;
std::string writeFunctionBodyEnhancedLocalReturnVariable(std::ostream & os, std::string const& indentation, CommandData const& commandData, size_t returnParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, std::string const& enhancedReturnType, bool singular, bool isStructureChain, bool withAllocator) const;
void writeFunctionBodyEnhancedLocalReturnVariableVectorSize(std::ostream & os, std::vector<ParamData> const& params, std::pair<size_t, size_t> const& vectorParamIndex, size_t returnParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool withAllocator) const;
void writeFunctionBodyEnhancedMultiVectorSizeCheck(std::ostream & os, std::string const& indentation, std::string const& commandName, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, std::map<size_t, size_t> const& vectorParamIndices) const;
void writeFunctionBodyEnhancedReturnResultValue(std::ostream & os, std::string const& indentation, std::string const& returnName, std::string const& commandName, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, bool twoStep, bool singular, bool unique) const;
void writeFunctionBodyEnhancedSingleStep(std::ostream & os, std::string const& indentation, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool singular) const;
void writeFunctionBodyEnhancedTwoStep(std::ostream & os, std::string const& indentation, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool singular, std::string const& returnName) const;
void writeFunctionBodyEnhancedVectorOfUniqueHandles(std::ostream & os, std::string const& indentation, std::string const& commandName, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool twoStep, bool singular, bool withAllocator) const;
void writeFunctionBodyStandard(std::ostream & os, std::string const& indentation, std::pair<std::string, CommandData> const& commandData) const;
std::string writeFunctionBodyStandardArgument(TypeData const& typeData, std::string const& name) const;
bool writeFunctionHeaderArgumentEnhanced(std::ostream & os, ParamData const& param, size_t paramIndex, std::map<size_t, size_t> const& vectorParamIndices, bool skip, bool argEncountered, bool isTemplateParam, bool isLastArgument, bool singular, bool withDefaults, bool withAllocator) const;
void writeFunctionHeaderArgumentEnhancedPointer(std::ostream & os, ParamData const& param, std::string const& strippedParameterName, bool withDefaults, bool withAllocator) const;
void writeFunctionHeaderArgumentEnhancedSimple(std::ostream & os, ParamData const& param, bool lastArgument, bool withDefaults, bool withAllocator) const;
void writeFunctionHeaderArgumentEnhancedVector(std::ostream & os, ParamData const& param, std::string const& strippedParameterName, bool hasSizeParam, bool isTemplateParam, bool singular, bool withDefaults, bool withAllocator) const;
void writeFunctionHeaderArguments(std::ostream & os, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool enhanced, bool singular, bool withDefaults, bool withAllocator) const;
void writeFunctionHeaderArgumentsEnhanced(std::ostream & os, std::pair<std::string, CommandData> const& commandData, size_t returnParamIndex, size_t templateParamIndex, std::map<size_t, size_t> const& vectorParamIndices, bool singular, bool withDefaults, bool withAllocator) const;
void writeFunctionHeaderArgumentsStandard(std::ostream & os, std::pair<std::string, CommandData> const& commandData, bool withDefaults) const;
bool writeFunctionHeaderArgumentStandard(std::ostream & os, ParamData const& param, bool argEncountered, bool isLastArgument, bool withDefaults) const;
void writeFunctionHeaderReturnType(std::ostream & os, CommandData const& commandData, size_t returnParamIndex, std::map<size_t, size_t> const& vectorParamIndices, std::string const& enhancedReturnType, bool enhanced, bool singular, bool unique, bool isStructureChain) const;
void writeFunctionHeaderTemplate(std::ostream & os, std::string const& indentation, size_t returnParamIndex, size_t templateParamIndex, std::string const& enhancedReturnType, bool enhanced, bool singular, bool unique, bool withDefault, bool isStructureChain) const;
void writeHandle(std::ostream & os, std::pair<std::string, HandleData> const& handle, std::set<std::string> & listedHandles) const;
void writeStruct(std::ostream & os, std::pair<std::string, StructureData> const& structure, std::set<std::string> & listedStructures) const;
void writeStructCompareOperators(std::ostream & os, std::pair<std::string, StructureData> const& structure) const;
void writeStructConstructor(std::ostream & os, std::pair<std::string, StructureData> const& structData) const;
std::string writeStructConstructorArgument(bool & listedArgument, std::string const& indentation, MemberData const& memberData) const;
void writeStructMembers(std::ostream & os, StructureData const& structData) const;
void writeStructSetter(std::ostream & os, std::string const& structureName, MemberData const& memberData) const;
void writeStructure(std::ostream & os, std::pair<std::string, StructureData> const& structure) const;
void writeUnion(std::ostream & os, std::pair<std::string, StructureData> const& structure) const;
void writeUniqueTypes(std::ostream &os, std::string const& parentType, std::set<std::string> const& childrenTypes) const;
private:
std::map<std::string, std::string> m_baseTypes;
std::map<std::string, EnumData> m_bitmaskBits;
std::map<std::string, BitmaskData> m_bitmasks;
std::map<std::string, std::string> m_commandToHandle;
std::map<std::string, EnumData> m_enums;
std::set<std::string> m_extendedStructs; // structs which are referenced by the structextends tag
std::map<std::string, HandleData> m_handles;
std::map<std::string, std::string> m_platforms;
std::map<std::string, std::string> m_structureAliases;
std::map<std::string, StructureData> m_structures;
std::set<std::string> m_tags;
std::string m_typesafeCheck;
std::string m_version;
std::string m_vulkanLicenseHeader;
#if !defined(NDEBUG)
std::set<std::string> m_defines; // just used for verfication in readExtensionType
#endif
};
const size_t INVALID_INDEX = (size_t)~0;