Vulkan-Hpp/VulkanHppGenerator.hpp

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// 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();
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void appendBaseTypes(std::string & str) const;
void appendBitmasks(std::string & str) const;
void appendDispatchLoaderDynamic(std::string & str); // use vkGet*ProcAddress to get function pointers
void appendDispatchLoaderStatic(std::string & str); // use exported symbols from loader
void appendDispatchLoaderDefault(std::string & str); // typedef to DispatchLoaderStatic or undefined type, based on VK_NO_PROTOTYPES
void appendEnums(std::string & str) const;
void appendForwardDeclarations(std::string & str) const;
void appendHandles(std::string & str) const;
void appendHandlesCommandDefintions(std::string & str) const;
void appendResultExceptions(std::string & str) const;
void appendStructs(std::string & str) const;
void appendStructureChainValidation(std::string & str);
void appendThrowExceptions(std::string & str) const;
void checkCorrectness();
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);
private:
struct BitmaskData
{
BitmaskData(std::string const& r)
: requirement(r)
{}
std::string requirement; // 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 EnumValueData
{
EnumValueData(std::string const& vulkan, std::string const& vk, bool singleBit_)
: vulkanValue(vulkan)
, vkValue(vk)
, singleBit(singleBit_)
{}
std::string vulkanValue;
std::string vkValue;
bool singleBit;
};
struct EnumData
{
void addEnumValue(std::string const& valueName, bool bitmask, bool bitpos, std::string const& prefix, std::string const& postfix, std::string const& tag);
std::vector<std::pair<std::string, std::string>> aliases; // pairs of vulkan enum value and corresponding vk::-namespace enum value
std::string platform;
std::vector<EnumValueData> values;
};
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 platform;
std::vector<std::string> structExtends;
std::vector<std::string> aliases;
std::string subStruct;
};
private:
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void appendArgumentPlainType(std::string & str, ParamData const& paramData) const;
void appendArguments(std::string & str, 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 appendArgumentVector(std::string & str, size_t paramIndex, ParamData const& paramData, size_t returnParamIndex, size_t templateParamIndex, bool twoStep, bool firstCall, bool singular) const;
void appendArgumentVulkanType(std::string & str, ParamData const& paramData) const;
void appendBitmask(std::string & os, std::string const& bitmaskName, std::string const& bitmaskAlias, std::string const& enumName, std::vector<EnumValueData> const& enumValues) const;
void appendBitmaskToStringFunction(std::string & str, std::string const& flagsName, std::string const& enumName, std::vector<EnumValueData> const& enumValues) const;
void appendCall(std::string &str, 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;
void appendCommand(std::string & str, std::string const& indentation, std::string const& name, std::pair<std::string, CommandData> const& commandData, bool definition) const;
void appendEnum(std::string & str, std::pair<std::string, EnumData> const& enumData) const;
void appendEnumToString(std::string & str, std::pair<std::string, EnumData> const& enumData) const;
void appendFunction(std::string & str, 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 appendFunctionBodyEnhanced(std::string & str, 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 appendFunctionBodyEnhancedLocalReturnVariable(std::string & str, 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 appendFunctionBodyEnhancedLocalReturnVariableVectorSize(std::string & str, 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 appendFunctionBodyEnhancedMultiVectorSizeCheck(std::string & str, 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 appendFunctionBodyEnhancedReturnResultValue(std::string & str, 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 appendFunctionBodyEnhancedSingleStep(std::string & str, 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 appendFunctionBodyEnhancedTwoStep(std::string & str, 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 appendFunctionBodyEnhancedVectorOfUniqueHandles(std::string & str, 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 appendFunctionBodyStandard(std::string & str, std::string const& indentation, std::pair<std::string, CommandData> const& commandData) const;
void appendFunctionBodyStandardArgument(std::string & str, TypeData const& typeData, std::string const& name) const;
bool appendFunctionHeaderArgumentEnhanced(std::string & str, 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 appendFunctionHeaderArgumentEnhancedPointer(std::string & str, ParamData const& param, std::string const& strippedParameterName, bool withDefaults, bool withAllocator) const;
void appendFunctionHeaderArgumentEnhancedSimple(std::string & str, ParamData const& param, bool lastArgument, bool withDefaults, bool withAllocator) const;
void appendFunctionHeaderArgumentEnhancedVector(std::string & str, ParamData const& param, std::string const& strippedParameterName, bool hasSizeParam, bool isTemplateParam, bool singular, bool withDefaults, bool withAllocator) const;
void appendFunctionHeaderArguments(std::string & str, 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 appendFunctionHeaderArgumentsEnhanced(std::string & str, 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 appendFunctionHeaderArgumentsStandard(std::string & str, std::pair<std::string, CommandData> const& commandData, bool withDefaults) const;
bool appendFunctionHeaderArgumentStandard(std::string & str, ParamData const& param, bool argEncountered, bool isLastArgument, bool withDefaults) const;
void appendFunctionHeaderReturnType(std::string & str, 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 appendFunctionHeaderTemplate(std::string & str, 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 appendHandle(std::string & str, std::pair<std::string, HandleData> const& handle, std::set<std::string> & listedHandles) const;
void appendPlatformEnter(std::string & str, std::string const& platform) const;
void appendPlatformLeave(std::string & str, std::string const& platform) const;
void appendStruct(std::string & str, std::pair<std::string, StructureData> const& structure, std::set<std::string> & listedStructures) const;
void appendStructCompareOperators(std::string & str, std::pair<std::string, StructureData> const& structure) const;
std::string appendStructConstructor(std::pair<std::string, StructureData> const& structData, std::string const& prefix) const;
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bool appendStructConstructorArgument(std::string & str, bool listedArgument, std::string const& indentation, MemberData const& memberData) const;
void appendStructCopyConstructors(std::string & str, std::string const& vkName) const;
void appendStructMembers(std::string & str, std::pair<std::string,StructureData> const& structData, std::string const& prefix) const;
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void appendStructSetter(std::string & str, std::string const& structureName, MemberData const& memberData) const;
void appendStructure(std::string & str, std::pair<std::string, StructureData> const& structure) const;
void appendUnion(std::string & str, std::pair<std::string, StructureData> const& structure) const;
void appendUniqueTypes(std::string &str, std::string const& parentType, std::set<std::string> const& childrenTypes) const;
bool containsArray(std::string const& type) const;
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;
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 readExtensionRequireType(tinyxml2::XMLElement const* element, std::string const& platform);
void readFeatureRequire(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 readRequireEnum(tinyxml2::XMLElement const* element, std::string const& tag);
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);
#if !defined(NDEBUG)
void readRequires(tinyxml2::XMLElement const* element, std::map<std::string, std::string> const& attributes);
#endif
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_defaultZeroTypes;
std::set<std::string> m_defines; // just used for verfication in readExtensionType
#endif
};
const size_t INVALID_INDEX = (size_t)~0;