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3b31847126
Vulkan-Hpp/VulkanHppGenerator.cpp
Andreas Süßenbach 3b31847126 Cleanup on data structures and more: (#74) 
- CommandData now holds it's full function name (without "vk") and it's reduced function name (used as member function name);
- CommandData now holds the name of the owning handle (class), if it is owned by one;
- EnumData now holds the name of that enum;
- for consistency reasons, "Arguments" have been renamed to "Params"
- some functions have been changed to output to std::ostream (instead of std::ofstream), to detect and filter equal function bodies for enhanced/non-enhanced mode;
- changed some functions to use std::algorithms and lambdas instead of explicit loops
2017-02-08 13:56:06 +01:00

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// Copyright(c) 2015-2016, 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.
#include <cassert>
#include <algorithm>
#include <fstream>
#include <functional>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <exception>
#include <tinyxml2.h>
const std::string exceptionHeader(
"#if defined(_MSC_VER) && (_MSC_VER == 1800)\n"
"# define noexcept _NOEXCEPT\n"
"#endif\n"
"\n"
" class ErrorCategoryImpl : public std::error_category\n"
" {\n"
" public:\n"
" virtual const char* name() const noexcept override { return \"vk::Result\"; }\n"
" virtual std::string message(int ev) const override { return to_string(static_cast<Result>(ev)); }\n"
" };\n"
"\n"
"#if defined(_MSC_VER) && (_MSC_VER == 1800)\n"
"# undef noexcept\n"
"#endif\n"
"\n"
" VULKAN_HPP_INLINE const std::error_category& errorCategory()\n"
" {\n"
" static ErrorCategoryImpl instance;\n"
" return instance;\n"
" }\n"
"\n"
" VULKAN_HPP_INLINE std::error_code make_error_code(Result e)\n"
" {\n"
" return std::error_code(static_cast<int>(e), errorCategory());\n"
" }\n"
"\n"
" VULKAN_HPP_INLINE std::error_condition make_error_condition(Result e)\n"
" {\n"
" return std::error_condition(static_cast<int>(e), errorCategory());\n"
" }\n"
"\n"
);
const std::string flagsHeader(
" template <typename FlagBitsType> struct FlagTraits\n"
" {\n"
" enum { allFlags = 0 };\n"
" };\n"
"\n"
" template <typename BitType, typename MaskType = VkFlags>\n"
" class Flags\n"
" {\n"
" public:\n"
" Flags()\n"
" : m_mask(0)\n"
" {\n"
" }\n"
"\n"
" Flags(BitType bit)\n"
" : m_mask(static_cast<MaskType>(bit))\n"
" {\n"
" }\n"
"\n"
" Flags(Flags<BitType> const& rhs)\n"
" : m_mask(rhs.m_mask)\n"
" {\n"
" }\n"
"\n"
" Flags<BitType> & operator=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask = rhs.m_mask;\n"
" return *this;\n"
" }\n"
"\n"
" Flags<BitType> & operator|=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask |= rhs.m_mask;\n"
" return *this;\n"
" }\n"
"\n"
" Flags<BitType> & operator&=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask &= rhs.m_mask;\n"
" return *this;\n"
" }\n"
"\n"
" Flags<BitType> & operator^=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask ^= rhs.m_mask;\n"
" return *this;\n"
" }\n"
"\n"
" Flags<BitType> operator|(Flags<BitType> const& rhs) const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result |= rhs;\n"
" return result;\n"
" }\n"
"\n"
" Flags<BitType> operator&(Flags<BitType> const& rhs) const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result &= rhs;\n"
" return result;\n"
" }\n"
"\n"
" Flags<BitType> operator^(Flags<BitType> const& rhs) const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result ^= rhs;\n"
" return result;\n"
" }\n"
"\n"
" bool operator!() const\n"
" {\n"
" return !m_mask;\n"
" }\n"
"\n"
" Flags<BitType> operator~() const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result.m_mask ^= FlagTraits<BitType>::allFlags;\n"
" return result;\n"
" }\n"
"\n"
" bool operator==(Flags<BitType> const& rhs) const\n"
" {\n"
" return m_mask == rhs.m_mask;\n"
" }\n"
"\n"
" bool operator!=(Flags<BitType> const& rhs) const\n"
" {\n"
" return m_mask != rhs.m_mask;\n"
" }\n"
"\n"
" explicit operator bool() const\n"
" {\n"
" return !!m_mask;\n"
" }\n"
"\n"
" explicit operator MaskType() const\n"
" {\n"
" return m_mask;\n"
" }\n"
"\n"
" private:\n"
" MaskType m_mask;\n"
" };\n"
" \n"
" template <typename BitType>\n"
" Flags<BitType> operator|(BitType bit, Flags<BitType> const& flags)\n"
" {\n"
" return flags | bit;\n"
" }\n"
" \n"
" template <typename BitType>\n"
" Flags<BitType> operator&(BitType bit, Flags<BitType> const& flags)\n"
" {\n"
" return flags & bit;\n"
" }\n"
" \n"
" template <typename BitType>\n"
" Flags<BitType> operator^(BitType bit, Flags<BitType> const& flags)\n"
" {\n"
" return flags ^ bit;\n"
" }\n"
"\n"
);
std::string const optionalClassHeader = R"(
template <typename RefType>
class Optional
{
public:
Optional(RefType & reference) { m_ptr = &reference; }
Optional(RefType * ptr) { m_ptr = ptr; }
Optional(std::nullptr_t) { m_ptr = nullptr; }
operator RefType*() const { return m_ptr; }
RefType const* operator->() const { return m_ptr; }
explicit operator bool() const { return !!m_ptr; }
private:
RefType *m_ptr;
};
)";
std::string const arrayProxyHeader = (
"#ifndef VULKAN_HPP_DISABLE_ENHANCED_MODE\n"
" template <typename T>\n"
" class ArrayProxy\n"
" {\n"
" public:\n"
" ArrayProxy(std::nullptr_t)\n"
" : m_count(0)\n"
" , m_ptr(nullptr)\n"
" {}\n"
"\n"
" ArrayProxy(T & ptr)\n"
" : m_count(1)\n"
" , m_ptr(&ptr)\n"
" {}\n"
"\n"
" ArrayProxy(uint32_t count, T * ptr)\n"
" : m_count(count)\n"
" , m_ptr(ptr)\n"
" {}\n"
"\n"
" template <size_t N>\n"
" ArrayProxy(std::array<typename std::remove_const<T>::type, N> & data)\n"
" : m_count(N)\n"
" , m_ptr(data.data())\n"
" {}\n"
"\n"
" template <size_t N>\n"
" ArrayProxy(std::array<typename std::remove_const<T>::type, N> const& data)\n"
" : m_count(N)\n"
" , m_ptr(data.data())\n"
" {}\n"
"\n"
" template <class Allocator = std::allocator<typename std::remove_const<T>::type>>\n"
" ArrayProxy(std::vector<typename std::remove_const<T>::type, Allocator> & data)\n"
" : m_count(static_cast<uint32_t>(data.size()))\n"
" , m_ptr(data.data())\n"
" {}\n"
"\n"
" template <class Allocator = std::allocator<typename std::remove_const<T>::type>>\n"
" ArrayProxy(std::vector<typename std::remove_const<T>::type, Allocator> const& data)\n"
" : m_count(static_cast<uint32_t>(data.size()))\n"
" , m_ptr(data.data())\n"
" {}\n"
"\n"
" ArrayProxy(std::initializer_list<T> const& data)\n"
" : m_count(static_cast<uint32_t>(data.end() - data.begin()))\n"
" , m_ptr(data.begin())\n"
" {}\n"
"\n"
" const T * begin() const\n"
" {\n"
" return m_ptr;\n"
" }\n"
"\n"
" const T * end() const\n"
" {\n"
" return m_ptr + m_count;\n"
" }\n"
"\n"
" const T & front() const\n"
" {\n"
" assert(m_count && m_ptr);\n"
" return *m_ptr;\n"
" }\n"
"\n"
" const T & back() const\n"
" {\n"
" assert(m_count && m_ptr);\n"
" return *(m_ptr + m_count - 1);\n"
" }\n"
"\n"
" bool empty() const\n"
" {\n"
" return (m_count == 0);\n"
" }\n"
"\n"
" uint32_t size() const\n"
" {\n"
" return m_count;\n"
" }\n"
"\n"
" T * data() const\n"
" {\n"
" return m_ptr;\n"
" }\n"
"\n"
" private:\n"
" uint32_t m_count;\n"
" T * m_ptr;\n"
" };\n"
"#endif\n"
"\n"
);
std::string const versionCheckHeader = (
"#if !defined(VULKAN_HPP_HAS_UNRESTRICTED_UNIONS)\n"
"# if defined(__clang__)\n"
"# if __has_feature(cxx_unrestricted_unions)\n"
"# define VULKAN_HPP_HAS_UNRESTRICTED_UNIONS\n"
"# endif\n"
"# elif defined(__GNUC__)\n"
"# define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)\n"
"# if 40600 <= GCC_VERSION\n"
"# define VULKAN_HPP_HAS_UNRESTRICTED_UNIONS\n"
"# endif\n"
"# elif defined(_MSC_VER)\n"
"# if 1900 <= _MSC_VER\n"
"# define VULKAN_HPP_HAS_UNRESTRICTED_UNIONS\n"
"# endif\n"
"# endif\n"
"#endif\n"
"\n"
);
std::string const inlineHeader = {R"(
#if !defined(VULKAN_HPP_INLINE)
# if defined(__clang___)
# if __has_attribute(always_inline)
# define VULKAN_HPP_INLINE __attribute__((always_inline)) __inline__
# else
# define VULKAN_HPP_INLINE inline
# endif
# elif defined(__GNUC__)
# define VULKAN_HPP_INLINE __attribute__((always_inline)) __inline__
# elif defined(_MSC_VER)
# define VULKAN_HPP_INLINE __forceinline
# else
# define VULKAN_HPP_INLINE inline
# endif
#endif
)"
};
std::string const resultValueHeader = (
" template <typename T>\n"
" struct ResultValue\n"
" {\n"
" ResultValue( Result r, T & v )\n"
" : result( r )\n"
" , value( v )\n"
" {}\n"
"\n"
" Result result;\n"
" T value;\n"
"\n"
" operator std::tuple<Result&, T&>() { return std::tuple<Result&, T&>(result, value); }\n"
" };\n"
"\n"
" template <typename T>\n"
" struct ResultValueType\n"
" {\n"
"#ifdef VULKAN_HPP_NO_EXCEPTIONS\n"
" typedef ResultValue<T> type;\n"
"#else\n"
" typedef T type;\n"
"#endif\n"
" };\n"
"\n"
" template <>"
" struct ResultValueType<void>\n"
" {\n"
"#ifdef VULKAN_HPP_NO_EXCEPTIONS\n"
" typedef Result type;\n"
"#else\n"
" typedef void type;\n"
"#endif\n"
" };\n"
"\n"
);
std::string const createResultValueHeader = (
" VULKAN_HPP_INLINE ResultValueType<void>::type createResultValue( Result result, char const * message )\n"
" {\n"
"#ifdef VULKAN_HPP_NO_EXCEPTIONS\n"
" assert( result == Result::eSuccess );\n"
" return result;\n"
"#else\n"
" if ( result != Result::eSuccess )\n"
" {\n"
" throw std::system_error( result, message );\n"
" }\n"
"#endif\n"
" }\n"
"\n"
" template <typename T>\n"
" VULKAN_HPP_INLINE typename ResultValueType<T>::type createResultValue( Result result, T & data, char const * message )\n"
" {\n"
"#ifdef VULKAN_HPP_NO_EXCEPTIONS\n"
" assert( result == Result::eSuccess );\n"
" return ResultValue<T>( result, data );\n"
"#else\n"
" if ( result != Result::eSuccess )\n"
" {\n"
" throw std::system_error( result, message );\n"
" }\n"
" return data;\n"
"#endif\n"
" }\n"
"\n"
" VULKAN_HPP_INLINE Result createResultValue( Result result, char const * message, std::initializer_list<Result> successCodes )\n"
" {\n"
"#ifdef VULKAN_HPP_NO_EXCEPTIONS\n"
" assert( std::find( successCodes.begin(), successCodes.end(), result ) != successCodes.end() );\n"
"#else\n"
" if ( std::find( successCodes.begin(), successCodes.end(), result ) == successCodes.end() )\n"
" {\n"
" throw std::system_error( result, message );\n"
" }\n"
"#endif\n"
" return result;\n"
" }\n"
"\n"
" template <typename T>\n"
" VULKAN_HPP_INLINE ResultValue<T> createResultValue( Result result, T & data, char const * message, std::initializer_list<Result> successCodes )\n"
" {\n"
"#ifdef VULKAN_HPP_NO_EXCEPTIONS\n"
" assert( std::find( successCodes.begin(), successCodes.end(), result ) != successCodes.end() );\n"
"#else\n"
" if ( std::find( successCodes.begin(), successCodes.end(), result ) == successCodes.end() )\n"
" {\n"
" throw std::system_error( result, message );\n"
" }\n"
"#endif\n"
" return ResultValue<T>( result, data );\n"
" }\n"
"\n"
);
std::string const uniqueHandleHeader = { R"(
#if defined(VULKAN_HPP_NO_EXCEPTIONS) && !defined(VULKAN_HPP_NO_SMART_HANDLE)
# define VULKAN_HPP_NO_SMART_HANDLE
#endif
#ifndef VULKAN_HPP_NO_SMART_HANDLE
class Device;
class Instance;
struct AllocationCallbacks;
template <typename Type, typename Deleter>
class UniqueHandle
{
public:
explicit UniqueHandle( Type const& value = Type(), Deleter const& deleter = Deleter() )
: m_value( value )
, m_deleter( deleter )
{}
UniqueHandle( UniqueHandle const& ) = delete;
UniqueHandle( UniqueHandle && other )
: m_value( other.release() )
, m_deleter( std::move( other.m_deleter ) )
{}
~UniqueHandle()
{
destroy();
}
UniqueHandle & operator=( UniqueHandle const& ) = delete;
UniqueHandle & operator=( UniqueHandle && other )
{
reset( other.release() );
m_deleter = std::move( other.m_deleter );
return *this;
}
explicit operator bool() const
{
return m_value.operator bool();
}
Type const* operator->() const
{
return &m_value;
}
Type const& operator*() const
{
return m_value;
}
Type get() const
{
return m_value;
}
Deleter & getDeleter()
{
return m_deleter;
}
Deleter const& getDeleter() const
{
return m_deleter;
}
void reset( Type const& value = Type() )
{
if ( m_value != value )
{
destroy();
m_value = value;
}
}
Type release()
{
Type value = m_value;
m_value = nullptr;
return value;
}
void swap( UniqueHandle<Type, Deleter> & rhs )
{
std::swap(m_value, rhs.m_value);
std::swap(m_deleter, rhs.m_deleter);
}
private:
void destroy()
{
if ( m_value )
{
m_deleter( m_value );
}
}
private:
Type m_value;
Deleter m_deleter;
};
template <typename Type, typename Deleter>
VULKAN_HPP_INLINE void swap( UniqueHandle<Type,Deleter> & lhs, UniqueHandle<Type,Deleter> & rhs )
{
lhs.swap( rhs );
}
#endif
)"
};
struct ParamData
{
std::string type;
std::string name;
std::string arraySize;
std::string pureType;
std::string len;
bool optional;
};
struct CommandData
{
CommandData(std::string const& t, std::string const& fn)
: returnType(t)
, fullName(fn)
, twoStep(false)
{}
std::string returnType;
std::string fullName;
std::string reducedName;
std::vector<ParamData> params;
std::vector<std::string> successCodes;
std::string protect;
std::string handle;
bool twoStep;
};
struct DependencyData
{
enum class Category
{
COMMAND,
ENUM,
FLAGS,
FUNC_POINTER,
HANDLE,
REQUIRED,
SCALAR,
STRUCT,
UNION
};
DependencyData(Category c, std::string const& n)
: category(c)
, name(n)
{}
Category category;
std::string name;
std::set<std::string> dependencies;
std::set<std::string> forwardDependencies;
};
struct NameValue
{
std::string name;
std::string value;
};
struct EnumData
{
EnumData(std::string const& n, bool b = false)
: name(n)
, bitmask(b)
{}
void addEnumMember(std::string const & name, std::string const& tag, bool appendTag);
std::string name;
std::string prefix;
std::string postfix;
std::vector<NameValue> members;
std::string protect;
bool bitmask;
};
struct FlagData
{
std::string protect;
};
struct HandleData
{
std::vector<std::string> commands;
std::string protect;
};
struct ScalarData
{
std::string protect;
};
struct MemberData
{
std::string type;
std::string name;
std::string arraySize;
std::string pureType;
};
struct StructData
{
StructData()
: returnedOnly(false)
{}
bool returnedOnly;
bool isUnion;
std::vector<MemberData> members;
std::string protect;
};
struct DeleterData
{
std::string pool;
std::string call;
};
struct VkData
{
std::map<std::string, CommandData> commands;
std::list<DependencyData> dependencies;
std::map<std::string, std::set<std::string>> deleterTypes; // map from parent type to set of child types
std::map<std::string, DeleterData> deleterData; // map from child types to corresponding deleter data
std::map<std::string, EnumData> enums;
std::map<std::string, FlagData> flags;
std::map<std::string, HandleData> handles;
std::map<std::string, ScalarData> scalars;
std::map<std::string, StructData> structs;
std::set<std::string> tags;
std::string typesafeCheck;
std::string version;
std::set<std::string> vkTypes;
std::string vulkanLicenseHeader;
};
void createDefaults( VkData const& vkData, std::map<std::string,std::string> & defaultValues );
void determineReducedName(CommandData const& commandData);
std::string determineReturnType(CommandData const& commandData, size_t returnIndex, bool isVector = false);
std::set<size_t> determineSkippedParams(size_t returnIndex, std::map<size_t, size_t> const& vectorParams);
void enterProtect(std::ostream &os, std::string const& protect);
std::string extractTag(std::string const& name);
size_t findReturnIndex(CommandData const& commandData, std::map<size_t,size_t> const& vectorParams);
std::string findTag(std::string const& name, std::set<std::string> const& tags);
size_t findTemplateIndex(std::vector<ParamData> const& params, std::map<size_t,size_t> const& vectorParams);
std::string generateEnumNameForFlags(std::string const& name);
std::map<size_t, size_t> getVectorParams(std::vector<ParamData> const& params);
bool hasPointerParam(std::vector<ParamData> const& params);
bool isVectorSizeParam(std::map<size_t, size_t> const& vectorParams, size_t idx);
void leaveProtect(std::ostream &os, std::string const& protect);
void linkCommandToHandle(VkData & vkData, CommandData & commandData);
bool noDependencies(std::set<std::string> const& dependencies, std::map<std::string, std::string> & listedTypes);
bool readCommandParam( tinyxml2::XMLElement * element, std::set<std::string> & dependencies, std::vector<ParamData> & params );
void readCommandParamArraySize(tinyxml2::XMLNode * node, ParamData & param);
void readCommandParams(tinyxml2::XMLElement* element, std::set<std::string> & dependencies, CommandData & commandData);
tinyxml2::XMLNode* readCommandParamType(tinyxml2::XMLNode* node, ParamData& param);
CommandData& readCommandProto(tinyxml2::XMLElement * element, VkData & vkData);
void readCommands( tinyxml2::XMLElement * element, VkData & vkData );
void readCommandsCommand(tinyxml2::XMLElement * element, VkData & vkData);
std::vector<std::string> readCommandSuccessCodes(tinyxml2::XMLElement* element, std::set<std::string> const& tags);
void readComment(tinyxml2::XMLElement * element, std::string & header);
void readEnums( tinyxml2::XMLElement * element, VkData & vkData );
void readEnumsEnum( tinyxml2::XMLElement * element, EnumData & enumData, std::string const& tag );
void readExtensionRequire(tinyxml2::XMLElement * element, VkData & vkData, std::string const& protect, std::string const& tag);
void readExtensions( tinyxml2::XMLElement * element, VkData & vkData );
void readExtensionsExtension(tinyxml2::XMLElement * element, VkData & vkData);
void readTypeBasetype( tinyxml2::XMLElement * element, std::list<DependencyData> & dependencies );
void readTypeBitmask( tinyxml2::XMLElement * element, VkData & vkData);
void readTypeDefine( tinyxml2::XMLElement * element, VkData & vkData );
void readTypeFuncpointer( tinyxml2::XMLElement * element, std::list<DependencyData> & dependencies );
void readTypeHandle(tinyxml2::XMLElement * element, VkData & vkData);
void readTypeStruct( tinyxml2::XMLElement * element, VkData & vkData );
void readTypeStructMember( tinyxml2::XMLElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies );
void readTypeUnion( tinyxml2::XMLElement * element, VkData & vkData );
void readTypeUnionMember( tinyxml2::XMLElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies );
void readTags(tinyxml2::XMLElement * element, std::set<std::string> & tags);
void readTypes(tinyxml2::XMLElement * element, VkData & vkData);
std::string reduceName(std::string const& name, bool singular = false);
void registerDeleter(VkData & vkData, CommandData const& commandData);
void sortDependencies( std::list<DependencyData> & dependencies );
std::string strip(std::string const& value, std::string const& prefix, std::string const& tag = std::string());
std::string stripCommand(std::string const& value);
std::string toCamelCase(std::string const& value);
std::string toUpperCase(std::string const& name);
std::string trimStart(std::string const& input);
std::string trimEnd(std::string const& input);
void writeCall(std::ostream & os, CommandData const& commandData, size_t templateIndex, std::set<std::string> const& vkTypes, std::map<size_t, size_t> const& vectorParams, size_t returnIndex, bool firstCall, bool singular);
void writeDeleterClasses(std::ofstream & ofs, std::pair<std::string,std::set<std::string>> const& deleterTypes, std::map<std::string,DeleterData> const& deleterData);
void writeDeleterOperators(std::ofstream & ofs, std::pair<std::string, std::set<std::string>> const& deleterTypes, std::map<std::string,DeleterData> const& deleterData);
void writeEnumsToString(std::ofstream & ofs, EnumData const& enumData);
void writeEnumsToString(std::ofstream & ofs, VkData const& vkData);
void writeFlagsToString(std::ofstream & ofs, std::string const& flagsName, EnumData const &enumData);
void writeExceptionCheck(std::ofstream & ofs, std::string const& indentation, std::string const& className, std::string const& functionName, std::vector<std::string> const& successCodes);
void writeFunctionBody(std::ostream & os, std::string const& indentation, std::string const& className, std::string const& functionName, std::string const& returnType,
size_t templateIndex, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes, size_t returnIndex,
std::map<size_t, size_t> const& vectorParams, bool singular);
void writeFunctionBodyUnique(std::ostream & os, std::string const& indentation, CommandData const& commandData, std::string const& className,
std::set<size_t> const& skippedParams, size_t returnIndex, std::map<size_t, size_t> const& vectorParams,
std::map<std::string, DeleterData> const& deleterData, bool singular);
std::set<size_t> writeFunctionHeader(std::ostream & os, std::map<size_t, size_t> const& skippedParams, VkData const& vkData, std::string const& indentation,
std::string const& returnType, std::string const& name, CommandData const& commandData, size_t returnIndex, size_t templateIndex,
std::map<size_t, size_t> const& vectorParams, bool singular, bool unique);
void writeStructConstructor( std::ofstream & ofs, std::string const& name, StructData const& structData, std::set<std::string> const& vkTypes, std::map<std::string,std::string> const& defaultValues );
void writeStructSetter( std::ofstream & ofs, std::string const& name, MemberData const& memberData, std::set<std::string> const& vkTypes, std::map<std::string,StructData> const& structs );
void writeTypeCommand(std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData);
void writeTypeCommandEnhanced(std::ostream & os, VkData const& vkData, std::string const& indentation, std::string const& className, std::string const& functionName,
DependencyData const& dependencyData, CommandData const& commandData);
void writeTypeCommandParam(std::ostream & os, ParamData const& param, std::set<std::string> const& vkTypes);
void writeTypeCommandStandard(std::ostream & os, std::string const& indentation, std::string const& functionName, DependencyData const& dependencyData,
CommandData const& commandData, std::set<std::string> const& vkTypes);
void writeTypeEnum(std::ofstream & ofs, EnumData const& enumData);
void writeTypeFlags(std::ofstream & ofs, std::string const& flagsName, FlagData const& flagData, EnumData const& enumData);
void writeTypeHandle(std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData, HandleData const& handle, std::list<DependencyData> const& dependencies);
void writeTypeScalar( std::ofstream & ofs, DependencyData const& dependencyData );
void writeTypeStruct( std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData, std::map<std::string,std::string> const& defaultValues );
void writeTypeUnion( std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData, StructData const& unionData, std::map<std::string,std::string> const& defaultValues );
void writeTypes(std::ofstream & ofs, VkData const& vkData, std::map<std::string, std::string> const& defaultValues);
void writeVersionCheck(std::ofstream & ofs, std::string const& version);
void writeTypesafeCheck(std::ofstream & ofs, std::string const& typesafeCheck);
void EnumData::addEnumMember(std::string const & name, std::string const& tag, bool appendTag)
{
assert(tag.empty() || (name.find(tag) != std::string::npos));
members.push_back(NameValue());
members.back().name = "e" + toCamelCase(strip(name, prefix, tag));
members.back().value = name;
if (!postfix.empty())
{
size_t pos = members.back().name.find(postfix);
if (pos != std::string::npos)
{
members.back().name.erase(pos);
}
}
if (appendTag && !tag.empty())
{
members.back().name += tag;
}
}
void createDefaults( VkData const& vkData, std::map<std::string,std::string> & defaultValues )
{
for ( auto it = vkData.dependencies.begin(), end = vkData.dependencies.end() ; it != end ; ++it )
{
assert( defaultValues.find( it->name ) == defaultValues.end() );
switch( it->category )
{
case DependencyData::Category::COMMAND : // commands should never be asked for defaults
break;
case DependencyData::Category::ENUM :
{
assert(vkData.enums.find(it->name) != vkData.enums.end());
EnumData const & enumData = vkData.enums.find(it->name)->second;
if (!enumData.members.empty())
{
defaultValues[it->name] = it->name + "::" + vkData.enums.find(it->name)->second.members.front().name;
}
else
{
defaultValues[it->name] = it->name + "()";
}
}
break;
case DependencyData::Category::FLAGS :
case DependencyData::Category::HANDLE:
case DependencyData::Category::STRUCT:
case DependencyData::Category::UNION : // just call the default constructor for flags, structs, and structs (which are mapped to classes)
defaultValues[it->name] = it->name + "()";
break;
case DependencyData::Category::FUNC_POINTER : // func_pointers default to nullptr
defaultValues[it->name] = "nullptr";
break;
case DependencyData::Category::REQUIRED : // all required default to "0"
case DependencyData::Category::SCALAR : // all scalars default to "0"
defaultValues[it->name] = "0";
break;
default :
assert( false );
break;
}
}
}
void determineReducedName(CommandData & commandData)
{
commandData.reducedName = commandData.fullName;
std::string searchName = commandData.params[0].pureType;
size_t pos = commandData.fullName.find(searchName);
if ((pos == std::string::npos) && isupper(searchName[0]))
{
searchName[0] = tolower(searchName[0]);
pos = commandData.fullName.find(searchName);
}
if (pos != std::string::npos)
{
commandData.reducedName.erase(pos, searchName.length());
}
else if ((searchName == "commandBuffer") && (commandData.fullName.find("cmd") == 0))
{
commandData.reducedName.erase(0, 3);
pos = 0;
}
if ((pos == 0) && isupper(commandData.reducedName[0]))
{
commandData.reducedName[0] = tolower(commandData.reducedName[0]);
}
}
std::string determineReturnType(CommandData const& commandData, size_t returnIndex, bool isVector)
{
std::string returnType;
if ( (returnIndex != ~0)
&& ( (commandData.returnType == "void")
|| ( (commandData.returnType == "Result")
&& ( (commandData.successCodes.size() == 1)
|| ( (commandData.successCodes.size() == 2)
&& (commandData.successCodes[1] == "eIncomplete")
&& commandData.twoStep)))))
{
if (isVector)
{
if (commandData.params[returnIndex].pureType == "void")
{
returnType = "std::vector<uint8_t,Allocator>";
}
else
{
returnType = "std::vector<" + commandData.params[returnIndex].pureType + ",Allocator>";
}
}
else
{
assert(commandData.params[returnIndex].type.back() == '*');
assert(commandData.params[returnIndex].type.find("const") == std::string::npos);
returnType = commandData.params[returnIndex].type;
returnType.pop_back();
}
}
else if ((commandData.returnType == "Result") && (commandData.successCodes.size() == 1))
{
// an original return of type "Result" with just one successCode is changed to void, errors throw an exception
returnType = "void";
}
else
{
// the return type just stays the original return type
returnType = commandData.returnType;
}
return returnType;
}
std::set<size_t> determineSkippedParams(size_t returnIndex, std::map<size_t, size_t> const& vectorParams)
{
std::set<size_t> skippedParams;
std::for_each(vectorParams.begin(), vectorParams.end(), [&skippedParams](std::pair<size_t,size_t> const& vp) { if (vp.second != ~0) skippedParams.insert(vp.second); });
if (returnIndex != ~0)
{
skippedParams.insert(returnIndex);
}
return skippedParams;
}
void enterProtect(std::ostream &os, std::string const& protect)
{
if (!protect.empty())
{
os << "#ifdef " << protect << std::endl;
}
}
std::string extractTag(std::string const& name)
{
// the name is supposed to look like: VK_<tag>_<other>
size_t start = name.find('_');
assert(start != std::string::npos);
size_t end = name.find('_', start + 1);
assert(end != std::string::npos);
return name.substr(start + 1, end - start - 1);
}
size_t findReturnIndex(CommandData const& commandData, std::map<size_t,size_t> const& vectorParams)
{
if ((commandData.returnType == "Result") || (commandData.returnType == "void"))
{
for (size_t i = 0; i < commandData.params.size(); i++)
{
if ((commandData.params[i].type.find('*') != std::string::npos)
&& (commandData.params[i].type.find("const") == std::string::npos)
&& !isVectorSizeParam(vectorParams, i)
&& ((vectorParams.find(i) == vectorParams.end()) || commandData.twoStep || (commandData.successCodes.size() == 1)))
{
auto paramIt = std::find_if(commandData.params.begin() + i + 1, commandData.params.end(), [](ParamData const& pd)
{
return (pd.type.find('*') != std::string::npos) && (pd.type.find("const") == std::string::npos);
});
return paramIt != commandData.params.end() ? ~0 : i;
}
}
}
return ~0;
}
std::string findTag(std::string const& name, std::set<std::string> const& tags)
{
auto tagIt = std::find_if(tags.begin(), tags.end(), [&name](std::string const& t)
{
size_t pos = name.find(t);
return (pos != std::string::npos) && (pos == name.length() - t.length());
});
return tagIt != tags.end() ? *tagIt : "";
}
size_t findTemplateIndex(std::vector<ParamData> const& params, std::map<size_t, size_t> const& vectorParams)
{
for (size_t i = 0; i < params.size(); i++)
{
if (((params[i].name == "pData") || (params[i].name == "pValues"))
&& (vectorParams.find(i) != vectorParams.end()))
{
return i;
}
}
return ~0;
}
std::string generateEnumNameForFlags(std::string const& name)
{
std::string generatedName = name;
size_t pos = generatedName.rfind("Flags");
assert(pos != std::string::npos);
generatedName.replace(pos, 5, "FlagBits");
return generatedName;
}
std::map<size_t, size_t> getVectorParams(std::vector<ParamData> const& params)
{
std::map<size_t,size_t> lenParameters;
for (auto it = params.begin(), begin = it, end = params.end(); it != end; ++it)
{
if (!it->len.empty())
{
auto findLambda = [it](ParamData const& pd) { return pd.name == it->len; };
auto findIt = std::find_if(begin, it, findLambda);
assert((std::count_if(begin, end, findLambda) == 0) || (findIt < it));
lenParameters.insert(std::make_pair(std::distance(begin, it), findIt < it ? std::distance(begin, findIt) : ~0));
assert( (lenParameters[std::distance(begin, it)] != ~0)
|| (it->len == "null-terminated")
|| (it->len == "pAllocateInfo::descriptorSetCount")
|| (it->len == "pAllocateInfo::commandBufferCount"));
}
}
return lenParameters;
}
bool hasPointerParam(std::vector<ParamData> const& params)
{
auto it = std::find_if(params.begin(), params.end(), [](ParamData const& pd)
{
return (pd.type.find('*') != std::string::npos);
});
return it != params.end();
}
bool isVectorSizeParam(std::map<size_t, size_t> const& vectorParams, size_t idx)
{
auto it = std::find_if(vectorParams.begin(), vectorParams.end(), [idx](std::pair<size_t, size_t> const& vp) { return vp.second == idx; });
return it != vectorParams.end();
}
void leaveProtect(std::ostream &os, std::string const& protect)
{
if (!protect.empty())
{
os << "#endif /*" << protect << "*/" << std::endl;
}
}
void linkCommandToHandle(VkData & vkData, CommandData & commandData)
{
assert(!commandData.params.empty());
std::map<std::string, HandleData>::iterator hit = vkData.handles.find(commandData.params[0].pureType);
if (hit != vkData.handles.end())
{
hit->second.commands.push_back(commandData.fullName);
commandData.handle = hit->first;
DependencyData const& commandDD = vkData.dependencies.back();
std::list<DependencyData>::iterator handleDD = std::find_if(vkData.dependencies.begin(), vkData.dependencies.end(), [hit](DependencyData const& dd) { return dd.name == hit->first; });
std::copy_if(commandDD.dependencies.begin(), commandDD.dependencies.end(), std::inserter(handleDD->dependencies, handleDD->dependencies.end()), [hit](std::string const& d) { return d != hit->first; });
}
}
bool noDependencies(std::set<std::string> const& dependencies, std::set<std::string> & listedTypes)
{
// false, if any of the dependencies is not in listedTypes; true if all dependencies are in listedTypes
auto it = std::find_if(dependencies.begin(), dependencies.end(), [&listedTypes](std::string const& d) { return listedTypes.find(d) == listedTypes.end(); });
return it == dependencies.end();
}
bool readCommandParam( tinyxml2::XMLElement * element, std::set<std::string> & dependencies, std::vector<ParamData> & params )
{
ParamData param;
if (element->Attribute("len"))
{
param.len = element->Attribute("len");
}
tinyxml2::XMLNode * child = readCommandParamType(element->FirstChild(), param);
dependencies.insert(param.pureType);
assert( child->ToElement() && ( strcmp( child->Value(), "name" ) == 0 ) );
param.name = child->ToElement()->GetText();
readCommandParamArraySize(child, param);
param.optional = element->Attribute("optional") && (strcmp(element->Attribute("optional"), "true") == 0);
params.push_back(param);
return element->Attribute("optional") && (strcmp(element->Attribute("optional"), "false,true") == 0);
}
void readCommandParamArraySize(tinyxml2::XMLNode * node, ParamData & param)
{
if (param.name.back() == ']')
{
assert(!node->NextSibling());
size_t pos = param.name.find('[');
assert(pos != std::string::npos);
param.arraySize = param.name.substr(pos + 1, param.name.length() - 2 - pos);
param.name.erase(pos);
}
else
{
tinyxml2::XMLNode * child = node->NextSibling();
if (child)
{
if (child->ToText())
{
std::string value = child->Value();
if (value == "[")
{
child = child->NextSibling();
assert(child && child->ToElement() && (strcmp(child->Value(), "enum") == 0));
param.arraySize = child->ToElement()->GetText();
child = child->NextSibling();
assert(child && child->ToText() && (strcmp(child->Value(), "]") == 0) && !child->NextSibling());
}
else
{
assert((value.front() == '[') && (value.back() == ']'));
param.arraySize = value.substr(1, value.length() - 2);
assert(!child->NextSibling());
}
}
}
}
}
void readCommandParams(tinyxml2::XMLElement* element, std::set<std::string> & dependencies, CommandData & commandData)
{
assert(element);
while (element = element->NextSiblingElement())
{
std::string value = element->Value();
if (value == "param")
{
commandData.twoStep |= readCommandParam(element, dependencies, commandData.params);
}
else
{
assert((value == "implicitexternsyncparams") || (value == "validity"));
}
}
}
tinyxml2::XMLNode* readCommandParamType(tinyxml2::XMLNode* node, ParamData& param)
{
assert(node);
if (node->ToText())
{
std::string value = trimEnd(node->Value());
assert((value == "const") || (value == "struct"));
param.type = value + " ";
node = node->NextSibling();
assert(node);
}
assert(node->ToElement() && (strcmp(node->Value(), "type") == 0) && node->ToElement()->GetText());
std::string type = strip(node->ToElement()->GetText(), "Vk");
param.type += type;
param.pureType = type;
node = node->NextSibling();
assert(node);
if (node->ToText())
{
std::string value = trimEnd(node->Value());
assert((value == "*") || (value == "**") || (value == "* const*"));
param.type += value;
node = node->NextSibling();
}
return node;
}
CommandData& readCommandProto(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) );
tinyxml2::XMLElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) );
assert( !nameElement->NextSiblingElement() );
std::string type = strip( typeElement->GetText(), "Vk" );
std::string name = stripCommand( nameElement->GetText() );
vkData.dependencies.push_back( DependencyData( DependencyData::Category::COMMAND, name ) );
assert( vkData.commands.find( name ) == vkData.commands.end() );
std::map<std::string,CommandData>::iterator it = vkData.commands.insert( std::make_pair( name, CommandData(type, name) ) ).first;
return it->second;
}
void readCommands(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * child = element->FirstChildElement();
assert( child );
do
{
assert( strcmp( child->Value(), "command" ) == 0 );
readCommandsCommand( child, vkData );
} while ( child = child->NextSiblingElement() );
}
void readCommandsCommand(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * child = element->FirstChildElement();
assert( child && ( strcmp( child->Value(), "proto" ) == 0 ) );
CommandData& commandData = readCommandProto(child, vkData);
commandData.successCodes = readCommandSuccessCodes(element, vkData.tags);
readCommandParams(child, vkData.dependencies.back().dependencies, commandData);
determineReducedName(commandData);
linkCommandToHandle(vkData, commandData);
registerDeleter(vkData, commandData);
}
std::vector<std::string> readCommandSuccessCodes(tinyxml2::XMLElement* element, std::set<std::string> const& tags)
{
std::vector<std::string> results;
if (element->Attribute("successcodes"))
{
std::string successCodes = element->Attribute("successcodes");
size_t start = 0, end;
do
{
end = successCodes.find(',', start);
std::string code = successCodes.substr(start, end - start);
std::string tag = findTag(code, tags);
results.push_back(std::string("e") + toCamelCase(strip(code, "VK_", tag)) + tag);
start = end + 1;
} while (end != std::string::npos);
}
return results;
}
void readComment(tinyxml2::XMLElement * element, std::string & header)
{
assert(element->GetText());
assert(header.empty());
header = element->GetText();
assert(header.find("\nCopyright") == 0);
size_t pos = header.find("\n\n-----");
assert(pos != std::string::npos);
header.erase(pos);
for (size_t pos = header.find('\n'); pos != std::string::npos; pos = header.find('\n', pos + 1))
{
header.replace(pos, 1, "\n// ");
}
header += "\n\n// This header is generated from the Khronos Vulkan XML API Registry.";
}
void readEnums( tinyxml2::XMLElement * element, VkData & vkData )
{
if (!element->Attribute("name"))
{
throw std::runtime_error(std::string("spec error: enums element is missing the name attribute"));
}
std::string name = strip(element->Attribute("name"), "Vk");
if ( name != "API Constants" )
{
vkData.dependencies.push_back( DependencyData( DependencyData::Category::ENUM, name ) );
std::map<std::string,EnumData>::iterator it = vkData.enums.insert( std::make_pair( name, EnumData(name) ) ).first;
std::string tag;
if (name == "Result")
{
// special handling for VKResult, as its enums just have VK_ in common
it->second.prefix = "VK_";
}
else
{
if (!element->Attribute("type"))
{
throw std::runtime_error(std::string("spec error: enums name=\"" + name + "\" is missing the type attribute"));
}
std::string type = element->Attribute("type");
if (type != "bitmask" && type != "enum")
{
throw std::runtime_error(std::string("spec error: enums name=\"" + name + "\" has unknown type " + type));
}
it->second.bitmask = (type == "bitmask");
std::string prefix, postfix;
if (it->second.bitmask)
{
size_t pos = name.find("FlagBits");
assert(pos != std::string::npos);
it->second.prefix = "VK" + toUpperCase(name.substr(0, pos)) + "_";
it->second.postfix = "Bit";
}
else
{
it->second.prefix = "VK" + toUpperCase(name) + "_";
}
// if the enum name contains a tag remove it from the prefix to generate correct enum value names.
for (std::set<std::string>::const_iterator tit = vkData.tags.begin(); tit != vkData.tags.end(); ++tit)
{
size_t pos = it->second.prefix.find(*tit);
if ((pos != std::string::npos) && (pos == it->second.prefix.length() - tit->length() - 1))
{
it->second.prefix.erase(pos);
tag = *tit;
break;
}
}
}
readEnumsEnum( element, it->second, tag );
assert( vkData.vkTypes.find( name ) == vkData.vkTypes.end() );
vkData.vkTypes.insert( name );
}
}
void readEnumsEnum( tinyxml2::XMLElement * element, EnumData & enumData, std::string const& tag )
{
tinyxml2::XMLElement * child = element->FirstChildElement();
while (child)
{
if ( child->Attribute( "name" ) )
{
enumData.addEnumMember(child->Attribute("name"), tag, false);
}
child = child->NextSiblingElement();
}
}
void readExtensionRequire(tinyxml2::XMLElement * element, VkData & vkData, std::string const& protect, std::string const& tag)
{
tinyxml2::XMLElement * child = element->FirstChildElement();
do
{
std::string value = child->Value();
if ( value == "command" )
{
assert(child->Attribute("name"));
std::string name = stripCommand(child->Attribute("name"));
std::map<std::string, CommandData>::iterator cit = vkData.commands.find(name);
assert(cit != vkData.commands.end());
cit->second.protect = protect;
}
else if (value == "type")
{
assert(child->Attribute("name"));
std::string name = strip(child->Attribute("name"), "Vk");
std::map<std::string, EnumData>::iterator eit = vkData.enums.find(name);
if (eit != vkData.enums.end())
{
eit->second.protect = protect;
}
else
{
std::map<std::string, FlagData>::iterator fit = vkData.flags.find(name);
if (fit != vkData.flags.end())
{
fit->second.protect = protect;
// if the enum of this flags is auto-generated, protect it as well
std::string enumName = generateEnumNameForFlags(name);
std::map<std::string, EnumData>::iterator eit = vkData.enums.find(enumName);
assert(eit != vkData.enums.end());
if (eit->second.members.empty())
{
eit->second.protect = protect;
}
}
else
{
std::map<std::string, HandleData>::iterator hait = vkData.handles.find(name);
if (hait != vkData.handles.end())
{
hait->second.protect = protect;
}
else
{
std::map<std::string, ScalarData>::iterator scit = vkData.scalars.find(name);
if (scit != vkData.scalars.end())
{
scit->second.protect = protect;
}
else
{
std::map<std::string, StructData>::iterator stit = vkData.structs.find(name);
assert(stit != vkData.structs.end() && stit->second.protect.empty());
stit->second.protect = protect;
}
}
}
}
}
else if ( value == "enum")
{
// TODO process enums which don't extend existing enums
if (child->Attribute("extends"))
{
assert(child->Attribute("name"));
assert(vkData.enums.find(strip(child->Attribute("extends"), "Vk")) != vkData.enums.end());
assert(!!child->Attribute("bitpos") + !!child->Attribute("offset") + !!child->Attribute("value") == 1);
auto enumIt = vkData.enums.find(strip(child->Attribute("extends"), "Vk"));
assert(enumIt != vkData.enums.end());
enumIt->second.addEnumMember(child->Attribute("name"), child->Attribute("value") ? "" : tag, true );
}
}
else
{
assert(value=="usage");
}
} while ( child = child->NextSiblingElement() );
}
void readExtensions(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * child = element->FirstChildElement();
assert( child );
do
{
assert( strcmp( child->Value(), "extension" ) == 0 );
readExtensionsExtension( child, vkData );
} while ( child = child->NextSiblingElement() );
}
void readExtensionsExtension(tinyxml2::XMLElement * element, VkData & vkData)
{
assert( element->Attribute( "name" ) );
std::string tag = extractTag(element->Attribute("name"));
//assert(vkData.tags.find(tag) != vkData.tags.end());
// don't parse disabled extensions
if (strcmp(element->Attribute("supported"), "disabled") == 0)
{
return;
}
std::string protect;
if (element->Attribute("protect"))
{
protect = element->Attribute( "protect" );
}
tinyxml2::XMLElement * child = element->FirstChildElement();
assert( child && ( strcmp( child->Value(), "require" ) == 0 ) && !child->NextSiblingElement() );
readExtensionRequire( child, vkData, protect, tag );
}
void readTypeBasetype( tinyxml2::XMLElement * element, std::list<DependencyData> & dependencies )
{
tinyxml2::XMLElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) && typeElement->GetText() );
std::string type = typeElement->GetText();
assert( ( type == "uint32_t" ) || ( type == "uint64_t" ) );
tinyxml2::XMLElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) && nameElement->GetText() );
std::string name = strip( nameElement->GetText(), "Vk" );
// skip "Flags",
if ( name != "Flags" )
{
dependencies.push_back( DependencyData( DependencyData::Category::SCALAR, name ) );
dependencies.back().dependencies.insert( type );
}
else
{
assert( type == "uint32_t" );
}
}
void readTypeBitmask(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) && typeElement->GetText() && ( strcmp( typeElement->GetText(), "VkFlags" ) == 0 ) );
std::string type = typeElement->GetText();
tinyxml2::XMLElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) && nameElement->GetText() );
std::string name = strip( nameElement->GetText(), "Vk" );
assert( !nameElement->NextSiblingElement() );
std::string requires;
if (element->Attribute("requires"))
{
requires = strip(element->Attribute("requires"), "Vk");
}
else {
// Generate FlagBits name
requires = generateEnumNameForFlags(name);
vkData.dependencies.push_back(DependencyData(DependencyData::Category::ENUM, requires));
vkData.enums.insert(std::make_pair(requires, EnumData(requires, true)));
vkData.vkTypes.insert(requires);
}
vkData.dependencies.push_back( DependencyData( DependencyData::Category::FLAGS, name ) );
vkData.dependencies.back().dependencies.insert( requires );
vkData.flags.insert(std::make_pair(name, FlagData()));
assert( vkData.vkTypes.find( name ) == vkData.vkTypes.end() );
vkData.vkTypes.insert( name );
}
void readTypeDefine( tinyxml2::XMLElement * element, VkData & vkData )
{
tinyxml2::XMLElement * child = element->FirstChildElement();
if (child && (strcmp(child->GetText(), "VK_HEADER_VERSION") == 0))
{
vkData.version = element->LastChild()->ToText()->Value();
}
else if (element->Attribute("name") && strcmp(element->Attribute("name"), "VK_DEFINE_NON_DISPATCHABLE_HANDLE") == 0)
{
std::string text = element->LastChild()->ToText()->Value();
size_t start = text.find("#if defined(__LP64__)");
size_t end = text.find_first_of("\r\n", start + 1);
vkData.typesafeCheck = text.substr(start, end - start);
}
}
void readTypeFuncpointer( tinyxml2::XMLElement * element, std::list<DependencyData> & dependencies )
{
tinyxml2::XMLElement * child = element->FirstChildElement();
assert( child && ( strcmp( child->Value(), "name" ) == 0 ) && child->GetText() );
dependencies.push_back( DependencyData( DependencyData::Category::FUNC_POINTER, child->GetText() ) );
}
void readTypeHandle(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) && typeElement->GetText() );
#if !defined(NDEBUG)
std::string type = typeElement->GetText();
assert( type.find( "VK_DEFINE" ) == 0 );
#endif
tinyxml2::XMLElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) && nameElement->GetText() );
std::string name = strip( nameElement->GetText(), "Vk" );
vkData.dependencies.push_back( DependencyData( DependencyData::Category::HANDLE, name ) );
assert(vkData.vkTypes.find(name) == vkData.vkTypes.end());
vkData.vkTypes.insert(name);
assert(vkData.handles.find(name) == vkData.handles.end());
vkData.handles[name]; // add this to the handles map
}
void readTypeStructMember( tinyxml2::XMLElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies )
{
members.push_back( MemberData() );
MemberData & member = members.back();
tinyxml2::XMLNode * child = element->FirstChild();
assert( child );
if ( child->ToText())
{
std::string value = trimEnd(child->Value());
assert( (value == "const") || (value == "struct") );
member.type = value + " ";
child = child->NextSibling();
assert( child );
}
assert( child->ToElement() );
assert( ( strcmp( child->Value(), "type" ) == 0 ) && child->ToElement() && child->ToElement()->GetText() );
std::string type = strip( child->ToElement()->GetText(), "Vk" );
dependencies.insert( type );
member.type += type;
member.pureType = type;
child = child->NextSibling();
assert( child );
if ( child->ToText())
{
std::string value = trimEnd(child->Value());
assert( ( value == "*" ) || ( value == "**" ) || ( value == "* const*" ) );
member.type += value;
child = child->NextSibling();
}
assert( ( child->ToElement() && strcmp( child->Value(), "name" ) == 0 ));
member.name = child->ToElement()->GetText();
if ( member.name.back() == ']' )
{
assert( !child->NextSibling() );
size_t pos = member.name.find( '[' );
assert( pos != std::string::npos );
member.arraySize = member.name.substr( pos + 1, member.name.length() - 2 - pos );
member.name.erase( pos );
}
child = child->NextSibling();
if ( child )
{
assert( member.arraySize.empty() );
if ( child->ToText() )
{
std::string value = child->Value();
if ( value == "[" )
{
child = child->NextSibling();
assert( child );
assert( child->ToElement() && ( strcmp( child->Value(), "enum" ) == 0 ) );
member.arraySize = child->ToElement()->GetText();
child = child->NextSibling();
assert( child );
assert( child->ToText() );
assert( strcmp( child->Value(), "]" ) == 0 );
assert( !child->NextSibling() );
}
else
{
assert( ( value.front() == '[' ) && ( value.back() == ']' ) );
member.arraySize = value.substr( 1, value.length() - 2 );
assert( !child->NextSibling() );
}
}
}
}
void readTypeStruct( tinyxml2::XMLElement * element, VkData & vkData )
{
assert( !element->Attribute( "returnedonly" ) || ( strcmp( element->Attribute( "returnedonly" ), "true" ) == 0 ) );
assert( element->Attribute( "name" ) );
std::string name = strip( element->Attribute( "name" ), "Vk" );
if ( name == "Rect3D" )
{
return;
}
vkData.dependencies.push_back( DependencyData( DependencyData::Category::STRUCT, name ) );
assert( vkData.structs.find( name ) == vkData.structs.end() );
std::map<std::string,StructData>::iterator it = vkData.structs.insert( std::make_pair( name, StructData() ) ).first;
it->second.returnedOnly = !!element->Attribute( "returnedonly" );
it->second.isUnion = false;
tinyxml2::XMLElement * child = element->FirstChildElement();
do
{
assert( child->Value() );
std::string value = child->Value();
if ( value == "member" )
{
readTypeStructMember( child, it->second.members, vkData.dependencies.back().dependencies );
}
else
{
assert( value == "validity" );
}
} while ( child = child->NextSiblingElement() );
assert( vkData.vkTypes.find( name ) == vkData.vkTypes.end() );
vkData.vkTypes.insert( name );
}
void readTypeUnionMember( tinyxml2::XMLElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies )
{
members.push_back( MemberData() );
MemberData & member = members.back();
tinyxml2::XMLNode * child = element->FirstChild();
assert( child );
if ( child->ToText() )
{
assert( ( strcmp( child->Value(), "const" ) == 0 ) || ( strcmp( child->Value(), "struct" ) == 0 ) );
member.type = std::string( child->Value() ) + " ";
child = child->NextSibling();
assert( child );
}
assert( child->ToElement() );
assert( ( strcmp( child->Value(), "type" ) == 0 ) && child->ToElement() && child->ToElement()->GetText() );
std::string type = strip( child->ToElement()->GetText(), "Vk" );
dependencies.insert( type );
member.type += type;
member.pureType = type;
child = child->NextSibling();
assert( child );
if ( child->ToText() )
{
std::string value = child->Value();
assert( ( value == "*" ) || ( value == "**" ) || ( value == "* const*" ) );
member.type += value;
child = child->NextSibling();
}
assert( child->ToElement() && ( strcmp( child->Value(), "name" ) == 0 ) );
member.name = child->ToElement()->GetText();
if ( member.name.back() == ']' )
{
assert( !child->NextSibling() );
size_t pos = member.name.find( '[' );
assert( pos != std::string::npos );
member.arraySize = member.name.substr( pos + 1, member.name.length() - 2 - pos );
member.name.erase( pos );
}
child = child->NextSibling();
if ( child )
{
if ( child->ToText() )
{
std::string value = child->Value();
if ( value == "[" )
{
child = child->NextSibling();
assert( child );
assert( child->ToElement() && ( strcmp( child->Value(), "enum" ) == 0 ) );
member.arraySize = child->ToElement()->GetText();
child = child->NextSibling();
assert( child );
assert( child->ToText() );
assert( strcmp( child->Value(), "]" ) == 0 );
assert( !child->NextSibling() );
}
else
{
assert( ( value.front() == '[' ) && ( value.back() == ']' ) );
member.arraySize = value.substr( 1, value.length() - 2 );
assert( !child->NextSibling() );
}
}
}
}
void readTypeUnion( tinyxml2::XMLElement * element, VkData & vkData )
{
assert( element->Attribute( "name" ) );
std::string name = strip( element->Attribute( "name" ), "Vk" );
vkData.dependencies.push_back( DependencyData( DependencyData::Category::UNION, name ) );
assert( vkData.structs.find( name ) == vkData.structs.end() );
std::map<std::string,StructData>::iterator it = vkData.structs.insert( std::make_pair( name, StructData() ) ).first;
it->second.isUnion = true;
tinyxml2::XMLElement * child = element->FirstChildElement();
do
{
assert( strcmp( child->Value(), "member" ) == 0 );
readTypeUnionMember( child, it->second.members, vkData.dependencies.back().dependencies );
} while ( child = child->NextSiblingElement() );
assert( vkData.vkTypes.find( name ) == vkData.vkTypes.end() );
vkData.vkTypes.insert( name );
}
void readTags(tinyxml2::XMLElement * element, std::set<std::string> & tags)
{
tags.insert("EXT");
tags.insert("KHR");
tinyxml2::XMLElement * child = element->FirstChildElement();
do
{
assert(child->Attribute("name"));
tags.insert(child->Attribute("name"));
} while (child = child->NextSiblingElement());
}
void readTypes(tinyxml2::XMLElement * element, VkData & vkData)
{
tinyxml2::XMLElement * child = element->FirstChildElement();
do
{
assert( strcmp( child->Value(), "type" ) == 0 );
std::string type = child->Value();
assert( type == "type" );
if ( child->Attribute( "category" ) )
{
std::string category = child->Attribute( "category" );
if ( category == "basetype" )
{
readTypeBasetype( child, vkData.dependencies );
}
else if ( category == "bitmask" )
{
readTypeBitmask( child, vkData);
}
else if ( category == "define" )
{
readTypeDefine( child, vkData );
}
else if ( category == "funcpointer" )
{
readTypeFuncpointer( child, vkData.dependencies );
}
else if ( category == "handle" )
{
readTypeHandle( child, vkData );
}
else if ( category == "struct" )
{
readTypeStruct( child, vkData );
}
else if ( category == "union" )
{
readTypeUnion( child, vkData );
}
else
{
assert( ( category == "enum" ) || ( category == "include" ) );
}
}
else
{
assert( child->Attribute( "name" ) );
vkData.dependencies.push_back( DependencyData( DependencyData::Category::REQUIRED, child->Attribute( "name" ) ) );
}
} while ( child = child->NextSiblingElement() );
}
std::string reduceName(std::string const& name, bool singular)
{
std::string reducedName;
if ((name[0] == 'p') && (1 < name.length()) && (isupper(name[1]) || name[1] == 'p'))
{
reducedName = strip(name, "p");
reducedName[0] = tolower(reducedName[0]);
}
else
{
reducedName = name;
}
if (singular)
{
size_t pos = reducedName.rfind('s');
assert(pos != std::string::npos);
reducedName.erase(pos, 1);
}
return reducedName;
}
void registerDeleter(VkData & vkData, CommandData const& commandData)
{
if ((commandData.fullName.substr(0, 7) == "destroy") || (commandData.fullName.substr(0, 4) == "free"))
{
std::string key;
size_t valueIndex;
switch (commandData.params.size())
{
case 2:
case 3:
assert(commandData.params.back().pureType == "AllocationCallbacks");
key = (commandData.params.size() == 2) ? "" : commandData.params[0].pureType;
valueIndex = commandData.params.size() - 2;
break;
case 4:
key = commandData.params[0].pureType;
valueIndex = 3;
assert(vkData.deleterData.find(commandData.params[valueIndex].pureType) == vkData.deleterData.end());
vkData.deleterData[commandData.params[valueIndex].pureType].pool = commandData.params[1].pureType;
break;
default:
assert(false);
}
assert(vkData.deleterTypes[key].find(commandData.params[valueIndex].pureType) == vkData.deleterTypes[key].end());
vkData.deleterTypes[key].insert(commandData.params[valueIndex].pureType);
vkData.deleterData[commandData.params[valueIndex].pureType].call = commandData.reducedName;
}
}
void sortDependencies( std::list<DependencyData> & dependencies )
{
std::set<std::string> listedTypes = { "VkFlags" };
std::list<DependencyData> sortedDependencies;
while ( !dependencies.empty() )
{
bool found = false;
for ( std::list<DependencyData>::iterator it = dependencies.begin() ; it != dependencies.end() ; ++it )
{
if ( noDependencies( it->dependencies, listedTypes ) )
{
sortedDependencies.push_back( *it );
listedTypes.insert( it->name );
dependencies.erase( it );
found = true;
break;
}
}
if (!found)
{
// resolve direct circular dependencies
for (std::list<DependencyData>::iterator it = dependencies.begin(); !found && it != dependencies.end(); ++it)
{
for (std::set<std::string>::const_iterator dit = it->dependencies.begin(); dit != it->dependencies.end(); ++dit)
{
std::list<DependencyData>::const_iterator depIt = std::find_if(dependencies.begin(), dependencies.end(), [&dit](DependencyData const& dd) { return(dd.name == *dit); });
if (depIt != dependencies.end())
{
if (depIt->dependencies.find(it->name) != depIt->dependencies.end())
{
// we only have just one case, for now!
assert((it->category == DependencyData::Category::HANDLE) && (depIt->category == DependencyData::Category::STRUCT));
it->forwardDependencies.insert(*dit);
it->dependencies.erase(*dit);
found = true;
break;
}
}
#if !defined(NDEBUG)
else
{
assert(std::find_if(sortedDependencies.begin(), sortedDependencies.end(), [&dit](DependencyData const& dd) { return(dd.name == *dit); }) != sortedDependencies.end());
}
#endif
}
}
}
assert( found );
}
dependencies.swap(sortedDependencies);
}
std::string strip(std::string const& value, std::string const& prefix, std::string const& postfix)
{
std::string strippedValue = value;
if (strippedValue.find(prefix) == 0)
{
strippedValue.erase(0, prefix.length());
}
if (!postfix.empty())
{
size_t pos = strippedValue.rfind(postfix);
assert(pos != std::string::npos);
strippedValue.erase(pos);
}
return strippedValue;
}
std::string stripCommand(std::string const& value)
{
std::string stripped = strip(value, "vk");
assert(isupper(stripped[0]));
stripped[0] = tolower(stripped[0]);
return stripped;
}
std::string toCamelCase(std::string const& value)
{
assert(!value.empty() && (isupper(value[0]) || isdigit(value[0])));
std::string result;
result.reserve(value.size());
result.push_back(value[0]);
for (size_t i = 1; i < value.size(); i++)
{
if (value[i] != '_')
{
if ((value[i - 1] == '_') || isdigit(value[i-1]))
{
result.push_back(value[i]);
}
else
{
result.push_back(tolower(value[i]));
}
}
}
return result;
}
std::string toUpperCase(std::string const& name)
{
assert(isupper(name.front()));
std::string convertedName;
for (size_t i = 0; i<name.length(); i++)
{
if (isupper(name[i]) && ((i == 0) || islower(name[i - 1]) || isdigit(name[i-1])))
{
convertedName.push_back('_');
}
convertedName.push_back(toupper(name[i]));
}
return convertedName;
}
// trim from start
std::string trimStart(std::string const& input)
{
std::string result = input;
result.erase(result.begin(), std::find_if(result.begin(), result.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
return result;
}
// trim from end
std::string trimEnd(std::string const& input)
{
std::string result = input;
result.erase(std::find_if(result.rbegin(), result.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), result.end());
return result;
}
void writeCall(std::ostream & os, CommandData const& commandData, size_t templateIndex, std::set<std::string> const& vkTypes,
std::map<size_t, size_t> const& vectorParams, size_t returnIndex, bool firstCall, bool singular)
{
std::map<size_t,size_t> countIndices;
for (std::map<size_t, size_t>::const_iterator it = vectorParams.begin(); it != vectorParams.end(); ++it)
{
countIndices.insert(std::make_pair(it->second, it->first));
}
if ((vectorParams.size() == 1)
&& ((commandData.params[vectorParams.begin()->first].len == "dataSize/4") || (commandData.params[vectorParams.begin()->first].len == "latexmath:[$dataSize \\over 4$]")))
{
assert(commandData.params[3].name == "dataSize");
countIndices.insert(std::make_pair(3, vectorParams.begin()->first));
}
assert(islower(commandData.fullName[0]));
os << "vk" << static_cast<char>(toupper(commandData.fullName[0])) << commandData.fullName.substr(1) << "( ";
size_t i = 0;
if (!commandData.handle.empty())
{
os << "m_" << commandData.params[0].name;
i++;
}
for (; i < commandData.params.size(); i++)
{
if (0 < i)
{
os << ", ";
}
std::map<size_t, size_t>::const_iterator it = countIndices.find(i);
if (it != countIndices.end())
{
if ((returnIndex == it->second) && commandData.twoStep)
{
os << "&" << reduceName(commandData.params[it->first].name);
}
else
{
if (singular)
{
os << "1 ";
}
else
{
os << reduceName(commandData.params[it->second].name) << ".size() ";
}
if (templateIndex == it->second)
{
os << "* sizeof( T ) ";
}
}
}
else
{
it = vectorParams.find(i);
if (it != vectorParams.end())
{
assert(commandData.params[it->first].type.back() == '*');
if ((returnIndex == it->first) && commandData.twoStep && firstCall)
{
os << "nullptr";
}
else
{
std::set<std::string>::const_iterator vkit = vkTypes.find(commandData.params[it->first].pureType);
if ((vkit != vkTypes.end()) || (it->first == templateIndex))
{
os << "reinterpret_cast<";
if (commandData.params[it->first].type.find("const") == 0)
{
os << "const ";
}
if (vkit != vkTypes.end())
{
os << "Vk";
}
os << commandData.params[it->first].pureType;
if (commandData.params[it->first].type.rfind("* const") != std::string::npos)
{
os << "* const";
}
os << "*>( " << (singular ? "&" : "") << reduceName(commandData.params[it->first].name, singular) << (singular ? "" : ".data()") << " )";
}
else if (commandData.params[it->first].pureType == "char")
{
os << reduceName(commandData.params[it->first].name);
if (commandData.params[it->first].optional)
{
os << " ? " << reduceName(commandData.params[it->first].name) << "->c_str() : nullptr";
}
else
{
os << ".c_str()";
}
}
else
{
os << reduceName(commandData.params[it->first].name) << ".data()";
}
}
}
else if (vkTypes.find(commandData.params[i].pureType) != vkTypes.end())
{
if (commandData.params[i].type.back() == '*')
{
if (commandData.params[i].type.find("const") != std::string::npos)
{
os << "reinterpret_cast<const Vk" << commandData.params[i].pureType << "*>( ";
if (commandData.params[i].optional)
{
os << "static_cast<const " << commandData.params[i].pureType << "*>( ";
}
else
{
os << "&";
}
os << reduceName(commandData.params[i].name) << (commandData.params[i].optional ? "))" : " )");
}
else
{
assert(!commandData.params[i].optional);
os << "reinterpret_cast<Vk" << commandData.params[i].pureType << "*>( &" << reduceName(commandData.params[i].name) << " )";
}
}
else
{
os << "static_cast<Vk" << commandData.params[i].pureType << ">( " << commandData.params[i].name << " )";
}
}
else
{
if (commandData.params[i].type.back() == '*')
{
if (commandData.params[i].type.find("const") != std::string::npos)
{
if (commandData.params[i].pureType == "char")
{
os << reduceName(commandData.params[i].name);
if (commandData.params[i].optional)
{
os << " ? " << reduceName(commandData.params[i].name) << "->c_str() : nullptr";
}
else
{
os << ".c_str()";
}
}
else
{
assert((commandData.params[i].pureType == "void") && !commandData.params[i].optional);
os << commandData.params[i].name;
}
}
else
{
assert(commandData.params[i].type.find("char") == std::string::npos);
os << "&" << reduceName(commandData.params[i].name);
}
}
else
{
os << commandData.params[i].name;
}
}
}
}
os << " )";
}
void writeExceptionCheck(std::ofstream & ofs, std::string const& indentation, std::string const& className, std::string const& functionName, std::vector<std::string> const& successCodes)
{
assert(!successCodes.empty());
ofs << indentation << " if (";
if (successCodes.size() == 1)
{
assert(successCodes.front() == "eSuccess");
ofs << " result != Result::eSuccess";
}
else
{
for (size_t i = 0; i < successCodes.size() - 1; i++)
{
ofs << " ( result != Result::" << successCodes[i] << " ) &&";
}
ofs << " ( result != Result::" << successCodes.back() << " )";
}
ofs << " )" << std::endl;
ofs << indentation << " {" << std::endl
<< indentation << " throw std::system_error( result, \"vk::";
if (!className.empty())
{
ofs << className << "::";
}
ofs << functionName << "\" );" << std::endl
<< indentation << " }" << std::endl;
}
void writeFunctionBody(std::ostream & os, std::string const& indentation, std::string const& className, std::string const& functionName, std::string const& returnType,
size_t templateIndex, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes, size_t returnIndex,
std::map<size_t, size_t> const& vectorParams, bool singular)
{
os << indentation << "{" << std::endl;
// add a static_assert if a type is templated and its size needs to be some multiple of the original size
if ((templateIndex != ~0) && (commandData.params[templateIndex].pureType != "void"))
{
os << indentation << " static_assert( sizeof( T ) % sizeof( " << commandData.params[templateIndex].pureType << " ) == 0, \"wrong size of template type T\" );" << std::endl;
}
// add some error checks if multiple vectors need to have the same size
if (1 < vectorParams.size())
{
for (std::map<size_t, size_t>::const_iterator it0 = vectorParams.begin(); it0 != vectorParams.end(); ++it0)
{
if (it0->first != returnIndex)
{
for (std::map<size_t, size_t>::const_iterator it1 = std::next(it0); it1 != vectorParams.end(); ++it1)
{
if ((it1->first != returnIndex) && (it0->second == it1->second))
{
os << "#ifdef VULKAN_HPP_NO_EXCEPTIONS" << std::endl
<< indentation << " assert( " << reduceName(commandData.params[it0->first].name) << ".size() == " << reduceName(commandData.params[it1->first].name) << ".size() );" << std::endl
<< "#else" << std::endl
<< indentation << " if ( " << reduceName(commandData.params[it0->first].name) << ".size() != " << reduceName(commandData.params[it1->first].name) << ".size() )" << std::endl
<< indentation << " {" << std::endl
<< indentation << " throw std::logic_error( \"vk::" << className << "::" << functionName << ": " << reduceName(commandData.params[it0->first].name) << ".size() != " << reduceName(commandData.params[it1->first].name) << ".size()\" );" << std::endl
<< indentation << " }" << std::endl
<< "#endif // VULKAN_HPP_NO_EXCEPTIONS" << std::endl;
}
}
}
}
}
// write the local variable to hold a returned value
if (returnIndex != ~0)
{
if (commandData.returnType != returnType)
{
os << indentation << " " << (singular ? commandData.params[returnIndex].pureType : returnType) << " " << reduceName(commandData.params[returnIndex].name, singular);
if ( !singular)
{
std::map<size_t, size_t>::const_iterator it = vectorParams.find(returnIndex);
if (it != vectorParams.end() && !commandData.twoStep)
{
std::string size;
if ((it->second == ~0) && !commandData.params[returnIndex].len.empty())
{
size = reduceName(commandData.params[returnIndex].len);
size_t pos = size.find("->");
if (pos == std::string::npos)
{
pos = size.find("::");
}
assert(pos != std::string::npos);
size.replace(pos, 2, ".");
}
else
{
for (std::map<size_t, size_t>::const_iterator sit = vectorParams.begin(); sit != vectorParams.end(); ++sit)
{
if ((sit->first != returnIndex) && (sit->second == it->second))
{
size = reduceName(commandData.params[sit->first].name) + ".size()";
break;
}
}
}
assert(!size.empty());
os << "( " << size << " )";
}
}
os << ";" << std::endl;
}
else if (1 < commandData.successCodes.size())
{
os << indentation << " " << commandData.params[returnIndex].pureType << " " << reduceName(commandData.params[returnIndex].name) << ";" << std::endl;
}
}
// local count variable to hold the size of the vector to fill
if (commandData.twoStep)
{
assert(returnIndex != ~0);
std::map<size_t, size_t>::const_iterator returnit = vectorParams.find(returnIndex);
assert(returnit != vectorParams.end() && (returnit->second != ~0));
assert((commandData.returnType == "Result") || (commandData.returnType == "void"));
os << indentation << " " << commandData.params[returnit->second].pureType << " " << reduceName(commandData.params[returnit->second].name) << ";" << std::endl;
}
// write the function call
os << indentation << " ";
std::string localIndentation = " ";
if (commandData.returnType == "Result")
{
os << "Result result";
if (commandData.twoStep && (1 < commandData.successCodes.size()))
{
os << ";" << std::endl
<< indentation << " do" << std::endl
<< indentation << " {" << std::endl
<< indentation << " result";
localIndentation += " ";
}
os << " = static_cast<Result>( ";
}
else if (commandData.returnType != "void")
{
assert(!commandData.twoStep);
os << "return ";
}
assert(dependencyData.name == commandData.fullName);
writeCall(os, commandData, templateIndex, vkTypes, vectorParams, returnIndex, true, singular);
if (commandData.returnType == "Result")
{
os << " )";
}
os << ";" << std::endl;
if (commandData.twoStep)
{
std::map<size_t, size_t>::const_iterator returnit = vectorParams.find(returnIndex);
if (commandData.returnType == "Result")
{
os << indentation << localIndentation << "if ( ( result == Result::eSuccess ) && " << reduceName(commandData.params[returnit->second].name) << " )" << std::endl
<< indentation << localIndentation << "{" << std::endl
<< indentation << localIndentation << " ";
}
else
{
os << indentation << " ";
}
// resize the vector to hold the data according to the result from the first call
os << reduceName(commandData.params[returnit->first].name) << ".resize( " << reduceName(commandData.params[returnit->second].name) << " );" << std::endl;
// write the function call a second time
if (commandData.returnType == "Result")
{
os << indentation << localIndentation << " result = static_cast<Result>( ";
}
else
{
os << indentation << " ";
}
assert(!singular);
assert(dependencyData.name == commandData.fullName);
writeCall(os, commandData, templateIndex, vkTypes, vectorParams, returnIndex, false, singular);
if (commandData.returnType == "Result")
{
os << " )";
}
os << ";" << std::endl;
if (commandData.returnType == "Result")
{
os << indentation << localIndentation << "}" << std::endl;
if (1 < commandData.successCodes.size())
{
os << indentation << " } while ( result == Result::eIncomplete );" << std::endl
<< indentation << " assert( " << reduceName(commandData.params[returnit->second].name) << " <= " << reduceName(commandData.params[returnit->first].name) << ".size() ); " << std::endl
<< indentation << " " << reduceName(commandData.params[returnit->first].name) << ".resize( " << reduceName(commandData.params[returnit->second].name) << " ); " << std::endl;
}
}
}
if ((commandData.returnType == "Result") || !commandData.successCodes.empty())
{
os << indentation << " return createResultValue( result, ";
if (returnIndex != ~0)
{
os << reduceName(commandData.params[returnIndex].name, singular) << ", ";
}
os << "\"vk::" << (className.empty() ? "" : className + "::") << reduceName(functionName, singular) << "\"";
if (1 < commandData.successCodes.size() && !commandData.twoStep)
{
os << ", { Result::" << commandData.successCodes[0];
for (size_t i = 1; i < commandData.successCodes.size(); i++)
{
os << ", Result::" << commandData.successCodes[i];
}
os << " }";
}
os << " );" << std::endl;
}
else if ((returnIndex != ~0) && (commandData.returnType != returnType))
{
os << indentation << " return " << reduceName(commandData.params[returnIndex].name) << ";" << std::endl;
}
os << indentation << "}" << std::endl;
}
void writeFunctionBodyUnique(std::ostream & os, std::string const& indentation, CommandData const& commandData, std::string const& className,
std::set<size_t> const& skippedParams, size_t returnIndex, std::map<size_t, size_t> const& vectorParams,
std::map<std::string, DeleterData> const& deleterData, bool singular)
{
std::string type = commandData.params[returnIndex].pureType;
std::string typeValue = char(tolower(type[0])) + type.substr(1);
os << indentation << "{" << std::endl
<< indentation << " " << type << "Deleter deleter( ";
if (deleterData.find(className) != deleterData.end())
{
os << "this, ";
}
std::map<std::string, DeleterData>::const_iterator ddit = deleterData.find(type);
assert(ddit != deleterData.end());
if (ddit->second.pool.empty())
{
os << "allocator";
}
else
{
os << reduceName(commandData.params[1].name) << "." << char(tolower(ddit->second.pool[0])) << ddit->second.pool.substr(1);
}
os << " );" << std::endl;
bool returnsVector = !singular && (vectorParams.find(returnIndex) != vectorParams.end());
if (returnsVector)
{
os << indentation << " std::vector<" << type << ",Allocator> " << typeValue << "s = ";
}
else
{
os << indentation << " return Unique" << type << "( ";
}
os << reduceName(commandData.fullName, singular) << "( ";
bool argEncountered = false;
for (size_t i = commandData.handle.empty() ? 0 : 1; i < commandData.params.size(); i++)
{
if (skippedParams.find(i) == skippedParams.end())
{
if (argEncountered)
{
os << ", ";
}
argEncountered = true;
os << reduceName(commandData.params[i].name, singular && (vectorParams.find(i) != vectorParams.end()));
}
}
os << " )";
if (returnsVector)
{
os << ";" << std::endl
<< indentation << " std::vector<Unique" << type << "> unique" << type << "s;" << std::endl
<< indentation << " unique" << type << "s.reserve( " << typeValue << "s.size() );" << std::endl
<< indentation << " for ( auto " << typeValue << " : " << typeValue << "s )" << std::endl
<< indentation << " {" << std::endl
<< indentation << " unique" << type << "s.push_back( Unique" << type << "( " << typeValue << ", deleter ) );" << std::endl
<< indentation << " }" << std::endl
<< indentation << " return unique" << type << "s;" << std::endl;
}
else
{
os << ", deleter );" << std::endl;
}
os << indentation << "}" << std::endl;
}
void writeFunctionHeader(std::ostream & os, std::set<size_t> const& skippedParams, VkData const& vkData, std::string const& indentation, std::string const& returnType,
std::string const& name, CommandData const& commandData, size_t returnIndex, size_t templateIndex, std::map<size_t, size_t> const& vectorParams,
bool singular, bool unique)
{
bool returnsVector = !singular && (vectorParams.find(returnIndex) != vectorParams.end());
os << indentation;
if ( !singular && (templateIndex != ~0) && ((templateIndex != returnIndex) || (returnType == "Result")))
{
assert(returnType.find("Allocator") == std::string::npos);
os << "template <typename T>" << std::endl
<< indentation;
}
else if (!singular && (returnType.find("Allocator") != std::string::npos))
{
assert((returnType.substr(0, 12) == "std::vector<") && (returnType.find(',') != std::string::npos) && (12 < returnType.find(',')));
os << "template <typename Allocator = std::allocator<" << returnType.substr(12, returnType.find(',') - 12) << ">>" << std::endl
<< indentation;
if (!unique && (returnType != commandData.returnType) && (commandData.returnType != "void"))
{
os << "typename ";
}
}
else if (commandData.handle.empty())
{
os << "VULKAN_HPP_INLINE ";
}
if (unique)
{
if (returnsVector)
{
os << "std::vector<";
}
os << "Unique" << commandData.params[returnIndex].pureType;
if (returnsVector)
{
os << ">";
}
os << " ";
}
else if ((returnType != commandData.returnType) && (commandData.returnType != "void"))
{
assert(commandData.returnType == "Result");
os << "ResultValueType<" << (singular ? commandData.params[returnIndex].pureType : returnType) << ">::type ";
}
else if ((returnIndex != ~0) && (1 < commandData.successCodes.size()))
{
assert(commandData.returnType == "Result");
os << "ResultValue<" << commandData.params[returnIndex].pureType << "> ";
}
else
{
os << returnType << " ";
}
os << reduceName(name, singular);
if (unique)
{
os << "Unique";
}
os << "(";
if (skippedParams.size() + (commandData.handle.empty() ? 0 : 1) < commandData.params.size())
{
size_t lastArgument = ~0;
for (size_t i = commandData.params.size() - 1; i < commandData.params.size(); i--)
{
if (skippedParams.find(i) == skippedParams.end())
{
lastArgument = i;
break;
}
}
os << " ";
bool argEncountered = false;
for (size_t i = commandData.handle.empty() ? 0 : 1; i < commandData.params.size(); i++)
{
if (skippedParams.find(i) == skippedParams.end())
{
if (argEncountered)
{
os << ", ";
}
std::map<size_t, size_t>::const_iterator it = vectorParams.find(i);
size_t pos = commandData.params[i].type.rfind('*');
if (it == vectorParams.end())
{
if (pos == std::string::npos)
{
os << commandData.params[i].type << " " << reduceName(commandData.params[i].name);
if (!commandData.params[i].arraySize.empty())
{
os << "[" << commandData.params[i].arraySize << "]";
}
if (lastArgument == i)
{
std::map<std::string, FlagData>::const_iterator flagIt = vkData.flags.find(commandData.params[i].pureType);
if (flagIt != vkData.flags.end())
{
std::list<DependencyData>::const_iterator depIt = std::find_if(vkData.dependencies.begin(), vkData.dependencies.end(), [&flagIt](DependencyData const& dd) { return(dd.name == flagIt->first); });
assert(depIt != vkData.dependencies.end());
assert(depIt->dependencies.size() == 1);
std::map<std::string, EnumData>::const_iterator enumIt = vkData.enums.find(*depIt->dependencies.begin());
assert(enumIt != vkData.enums.end());
if (enumIt->second.members.empty())
{
os << " = " << commandData.params[i].pureType << "()";
}
}
}
}
else
{
assert(commandData.params[i].type[pos] == '*');
if (commandData.params[i].optional)
{
os << "Optional<" << trimEnd(commandData.params[i].type.substr(0, pos)) << "> " << reduceName(commandData.params[i].name) << " = nullptr";
}
else if (commandData.params[i].pureType == "void")
{
os << commandData.params[i].type << " " << commandData.params[i].name;
}
else if (commandData.params[i].pureType != "char")
{
os << trimEnd(commandData.params[i].type.substr(0, pos)) << " & " << reduceName(commandData.params[i].name);
}
else
{
os << "const std::string & " << reduceName(commandData.params[i].name);
}
}
}
else
{
bool optional = commandData.params[i].optional && ((it == vectorParams.end()) || (it->second == ~0));
assert(pos != std::string::npos);
assert(commandData.params[i].type[pos] == '*');
if (commandData.params[i].type.find("char") != std::string::npos)
{
if (optional)
{
os << "Optional<const std::string> " << reduceName(commandData.params[i].name) << " = nullptr";
}
else
{
os << "const std::string & " << reduceName(commandData.params[i].name);
}
}
else
{
assert(!optional);
if (singular)
{
os << trimEnd(commandData.params[i].type.substr(0, pos)) << " & " << reduceName(commandData.params[i].name, true);
}
else
{
bool isConst = (commandData.params[i].type.find("const") != std::string::npos);
os << "ArrayProxy<" << ((templateIndex == i) ? (isConst ? "const T" : "T") : trimEnd(commandData.params[i].type.substr(0, pos))) << "> " << reduceName(commandData.params[i].name);
}
}
}
argEncountered = true;
}
}
os << " ";
}
os << ")";
if (!commandData.handle.empty())
{
os << " const";
}
os << std::endl;
}
void writeStructConstructor( std::ofstream & ofs, std::string const& name, StructData const& structData, std::set<std::string> const& vkTypes, std::map<std::string,std::string> const& defaultValues )
{
// the constructor with all the elements as arguments, with defaults
ofs << " " << name << "( ";
bool listedArgument = false;
for (size_t i = 0; i<structData.members.size(); i++)
{
if (listedArgument)
{
ofs << ", ";
}
if ((structData.members[i].name != "pNext") && (structData.members[i].name != "sType"))
{
std::map<std::string, std::string>::const_iterator defaultIt = defaultValues.find(structData.members[i].pureType);
assert(defaultIt != defaultValues.end());
if (structData.members[i].arraySize.empty())
{
ofs << structData.members[i].type + " " + structData.members[i].name << "_ = " << (structData.members[i].type.back() == '*' ? "nullptr" : defaultIt->second);
}
else
{
ofs << "std::array<" + structData.members[i].type + "," + structData.members[i].arraySize + "> const& " + structData.members[i].name << "_ = { { " << defaultIt->second;
size_t n = atoi(structData.members[i].arraySize.c_str());
assert(0 < n);
for (size_t j = 1; j < n; j++)
{
ofs << ", " << defaultIt->second;
}
ofs << " } }";
}
listedArgument = true;
}
}
ofs << " )" << std::endl;
// copy over the simple arguments
bool firstArgument = true;
for (size_t i = 0; i < structData.members.size(); i++)
{
if (structData.members[i].arraySize.empty())
{
ofs << " " << (firstArgument ? ":" : ",") << " " << structData.members[i].name << "( ";
if (structData.members[i].name == "pNext")
{
ofs << "nullptr";
}
else if (structData.members[i].name == "sType")
{
ofs << "StructureType::e" << name;
}
else
{
ofs << structData.members[i].name << "_";
}
ofs << " )" << std::endl;
firstArgument = false;
}
}
// the body of the constructor, copying over data from argument list into wrapped struct
ofs << " {" << std::endl;
for ( size_t i=0 ; i<structData.members.size() ; i++ )
{
if ( !structData.members[i].arraySize.empty() )
{
ofs << " memcpy( &" << structData.members[i].name << ", " << structData.members[i].name << "_.data(), " << structData.members[i].arraySize << " * sizeof( " << structData.members[i].type << " ) );" << std::endl;
}
}
ofs << " }" << std::endl
<< std::endl;
// the copy constructor from a native struct (Vk...)
ofs << " " << name << "( Vk" << name << " const & rhs )" << std::endl
<< " {" << std::endl
<< " memcpy( this, &rhs, sizeof(" << name << ") );" << std::endl
<< " }" << std::endl
<< std::endl;
// the assignment operator from a native sturct (Vk...)
ofs << " " << name << "& operator=( Vk" << name << " const & rhs )" << std::endl
<< " {" << std::endl
<< " memcpy( this, &rhs, sizeof(" << name << ") );" << std::endl
<< " return *this;" << std::endl
<< " }" << std::endl
<< std::endl;
}
void writeStructSetter( std::ofstream & ofs, std::string const& name, MemberData const& memberData, std::set<std::string> const& vkTypes )
{
if (memberData.type != "StructureType") // filter out StructureType, which is supposed to be immutable !
{
ofs << " " << name << "& set" << static_cast<char>(toupper(memberData.name[0])) << memberData.name.substr(1) << "( ";
if (memberData.arraySize.empty())
{
ofs << memberData.type << " ";
}
else
{
ofs << "std::array<" << memberData.type << "," << memberData.arraySize << "> ";
}
ofs << memberData.name << "_ )" << std::endl
<< " {" << std::endl;
if (!memberData.arraySize.empty())
{
ofs << " memcpy( &" << memberData.name << ", " << memberData.name << "_.data(), " << memberData.arraySize << " * sizeof( " << memberData.type << " ) )";
}
else
{
ofs << " " << memberData.name << " = " << memberData.name << "_";
}
ofs << ";" << std::endl
<< " return *this;" << std::endl
<< " }" << std::endl
<< std::endl;
}
}
void writeTypeCommand(std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData)
{
assert(vkData.commands.find(dependencyData.name) != vkData.commands.end());
CommandData const& commandData = vkData.commands.find(dependencyData.name)->second;
if (commandData.handle.empty())
{
writeTypeCommandStandard(ofs, " ", dependencyData.name, dependencyData, commandData, vkData.vkTypes);
ofs << std::endl
<< "#ifndef VULKAN_HPP_DISABLE_ENHANCED_MODE" << std::endl;
writeTypeCommandEnhanced(ofs, vkData, " ", "", dependencyData.name, dependencyData, commandData);
ofs << "#endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/" << std::endl
<< std::endl;
}
}
void writeTypeCommandEnhanced(std::ostream & os, VkData const& vkData, std::string const& indentation, std::string const& className, std::string const& functionName,
DependencyData const& dependencyData, CommandData const& commandData)
{
enterProtect(os, commandData.protect);
std::map<size_t, size_t> vectorParams = getVectorParams(commandData.params);
size_t returnIndex = findReturnIndex(commandData, vectorParams);
size_t templateIndex = findTemplateIndex(commandData.params, vectorParams);
assert((templateIndex == ~0) || (vectorParams.find(templateIndex) != vectorParams.end()));
std::map<size_t, size_t>::const_iterator returnVector = vectorParams.find(returnIndex);
std::string returnType = determineReturnType(commandData, returnIndex, returnVector != vectorParams.end());
std::set<size_t> skippedParams = determineSkippedParams(returnIndex, vectorParams);
writeFunctionHeader(os, skippedParams, vkData, indentation, returnType, functionName, commandData, returnIndex, templateIndex, vectorParams, false, false);
writeFunctionBody(os, indentation, className, functionName, returnType, templateIndex, dependencyData, commandData, vkData.vkTypes, returnIndex, vectorParams, false);
// determine candidates for singular version of function
bool singular = (returnVector != vectorParams.end()) && (returnVector->second != ~0) && (commandData.params[returnVector->second].type.back() != '*');
if (singular)
{
os << std::endl;
writeFunctionHeader(os, skippedParams, vkData, indentation, returnType, functionName, commandData, returnIndex, templateIndex, vectorParams, true, false);
writeFunctionBody(os, indentation, className, functionName, returnType, templateIndex, dependencyData, commandData, vkData.vkTypes, returnIndex, vectorParams, true);
}
// special handling for createDevice !
bool specialWriteUnique = (functionName == "createDevice");
if (((vkData.deleterTypes.find(className) != vkData.deleterTypes.end()) || specialWriteUnique) && ((functionName.substr(0, 8) == "allocate") || (functionName.substr(0, 6) == "create")))
{
os << std::endl
<< "#ifndef VULKAN_HPP_NO_SMART_HANDLE" << std::endl;
writeFunctionHeader(os, skippedParams, vkData, indentation, returnType, functionName, commandData, returnIndex, templateIndex, vectorParams, false, true);
writeFunctionBodyUnique(os, indentation, commandData, className, skippedParams, returnIndex, vectorParams, vkData.deleterData, false);
if (singular)
{
os << std::endl;
writeFunctionHeader(os, skippedParams, vkData, indentation, returnType, functionName, commandData, returnIndex, templateIndex, vectorParams, true, true);
writeFunctionBodyUnique(os, indentation, commandData, className, skippedParams, returnIndex, vectorParams, vkData.deleterData, true);
}
os << "#endif /*VULKAN_HPP_NO_SMART_HANDLE*/" << std::endl;
}
leaveProtect(os, commandData.protect);
}
void writeTypeCommandParam(std::ostream & os, ParamData const& param, std::set<std::string> const& vkTypes)
{
if (vkTypes.find(param.pureType) != vkTypes.end())
{
if (param.type.back() == '*')
{
os << "reinterpret_cast<";
if (param.type.find("const") == 0)
{
os << "const ";
}
os << "Vk" << param.pureType;
if (param.type.find("* const") != std::string::npos)
{
os << "* const";
}
os << '*';
}
else
{
os << "static_cast<Vk" << param.pureType;
}
os << ">( " << param.name << " )";
}
else
{
os << param.name;
}
}
void writeTypeCommandStandard(std::ostream & os, std::string const& indentation, std::string const& functionName, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes)
{
enterProtect(os, commandData.protect);
os << indentation;
if (commandData.handle.empty())
{
os << "VULKAN_HPP_INLINE ";
}
os << commandData.returnType << " " << functionName << "( ";
bool argEncountered = false;
for (size_t i = commandData.handle.empty() ? 0 : 1; i < commandData.params.size(); i++)
{
if (argEncountered)
{
os << ", ";
}
os << commandData.params[i].type << " " << commandData.params[i].name;
if (!commandData.params[i].arraySize.empty())
{
os << "[" << commandData.params[i].arraySize << "]";
}
argEncountered = true;
}
os << " )";
if (!commandData.handle.empty())
{
os << " const";
}
os << std::endl
<< indentation << "{" << std::endl
<< indentation << " ";
bool castReturn = false;
if (commandData.returnType != "void")
{
os << "return ";
castReturn = (vkTypes.find(commandData.returnType) != vkTypes.end());
if (castReturn)
{
os << "static_cast<" << commandData.returnType << ">( ";
}
}
std::string callName(dependencyData.name);
assert(islower(callName[0]));
callName[0] = toupper(callName[0]);
os << "vk" << callName << "( ";
if (!commandData.handle.empty())
{
os << "m_" << commandData.params[0].name;
}
argEncountered = false;
for (size_t i = commandData.handle.empty() ? 0 : 1; i < commandData.params.size(); i++)
{
if (0 < i)
{
os << ", ";
}
writeTypeCommandParam(os, commandData.params[i], vkTypes);
}
os << " )";
if (castReturn)
{
os << " )";
}
os << ";" << std::endl
<< indentation << "}" << std::endl;
leaveProtect(os, commandData.protect);
}
void writeTypeEnum( std::ofstream & ofs, EnumData const& enumData )
{
enterProtect(ofs, enumData.protect);
ofs << " enum class " << enumData.name << std::endl
<< " {" << std::endl;
for ( size_t i=0 ; i<enumData.members.size() ; i++ )
{
ofs << " " << enumData.members[i].name << " = " << enumData.members[i].value;
if ( i < enumData.members.size() - 1 )
{
ofs << ",";
}
ofs << std::endl;
}
ofs << " };" << std::endl;
leaveProtect(ofs, enumData.protect);
ofs << std::endl;
}
void writeDeleterClasses(std::ofstream & ofs, std::pair<std::string,std::set<std::string>> const& deleterTypes, std::map<std::string, DeleterData> const& deleterData)
{
ofs << "#ifndef VULKAN_HPP_NO_SMART_HANDLE" << std::endl;
bool first = true;
std::string firstName = deleterTypes.first.empty() ? "" : (char(tolower(deleterTypes.first[0])) + deleterTypes.first.substr(1));
for (auto const& dt : deleterTypes.second)
{
if (!first)
{
ofs << std::endl;
}
first = false;
ofs << " class " << dt << "Deleter" << std::endl
<< " {" << std::endl
<< " public:" << std::endl
<< " " << dt << "Deleter( ";
if (!deleterTypes.first.empty())
{
ofs << deleterTypes.first << " const* " << firstName << " = nullptr, ";
}
auto const& dd = deleterData.find(dt);
assert(dd != deleterData.end());
std::string poolName = (dd->second.pool.empty() ? "" : (char(tolower(dd->second.pool[0])) + dd->second.pool.substr(1)));
if (poolName.empty())
{
ofs << "Optional<const AllocationCallbacks> allocator = nullptr )" << std::endl;
}
else
{
assert(!dd->second.pool.empty());
poolName = char(tolower(dd->second.pool[0])) + dd->second.pool.substr(1);
ofs << dd->second.pool << " " << poolName << " = " << dd->second.pool << "() )" << std::endl;
}
ofs << " : ";
if (!deleterTypes.first.empty())
{
ofs << "m_" << firstName << "( " << firstName << " )" << std::endl
<< " , ";
}
if (poolName.empty())
{
ofs << "m_allocator( allocator )" << std::endl;
}
else
{
ofs << "m_" << poolName << "( " << poolName << " )" << std::endl;
}
ofs << " {}" << std::endl
<< std::endl
<< " void operator()( " << dt << " " << char(tolower(dt[0])) + dt.substr(1) << " );" << std::endl
<< std::endl
<< " private:" << std::endl;
if (!deleterTypes.first.empty())
{
ofs << " " << deleterTypes.first << " const* m_" << firstName << ";" << std::endl;
}
if (poolName.empty())
{
ofs << " Optional<const AllocationCallbacks> m_allocator;" << std::endl;
}
else
{
ofs << " " << dd->second.pool << " m_" << poolName << ";" << std::endl;
}
ofs << " };" << std::endl
<< " using Unique" << dt << " = UniqueHandle<" << dt << ", " << dt << "Deleter>;" << std::endl;
}
ofs << "#endif /*VULKAN_HPP_NO_SMART_HANDLE*/" << std::endl
<< std::endl;
}
void writeDeleterOperators(std::ofstream & ofs, std::pair<std::string, std::set<std::string>> const& deleterTypes, std::map<std::string,DeleterData> const& deleterData)
{
ofs << "#ifndef VULKAN_HPP_NO_SMART_HANDLE" << std::endl;
bool first = true;
for (auto dt : deleterTypes.second)
{
if (!first)
{
ofs << std::endl;
}
first = false;
std::map<std::string, DeleterData>::const_iterator ddit = deleterData.find(dt);
assert(ddit != deleterData.end());
std::string value = char(tolower(dt[0])) + dt.substr(1);
ofs << " VULKAN_HPP_INLINE void " << dt << "Deleter::operator()( " << dt << " " << value << " )" << std::endl
<< " {" << std::endl;
if (deleterTypes.first.empty())
{
ofs << " " << value << ".";
}
else
{
ofs << " m_" << char(tolower(deleterTypes.first[0])) << deleterTypes.first.substr(1) << "->";
}
ofs << ddit->second.call << "( ";
if (!ddit->second.pool.empty())
{
ofs << "m_" << char(tolower(ddit->second.pool[0])) << ddit->second.pool.substr(1) << ", ";
}
if (!deleterTypes.first.empty())
{
ofs << value;
}
if (ddit->second.pool.empty())
{
if (!deleterTypes.first.empty())
{
ofs << ", ";
}
ofs << "m_allocator";
}
ofs << " );" << std::endl
<< " }" << std::endl;
}
ofs << "#endif /*VULKAN_HPP_NO_SMART_HANDLE*/" << std::endl
<< std::endl;
}
void writeEnumsToString(std::ofstream & ofs, EnumData const& enumData)
{
enterProtect(ofs, enumData.protect);
ofs << " VULKAN_HPP_INLINE std::string to_string(" << enumData.name << (enumData.members.empty() ? ")" : " value)") << std::endl
<< " {" << std::endl;
if (enumData.members.empty())
{
ofs << " return \"(void)\";" << std::endl;
}
else
{
ofs << " switch (value)" << std::endl
<< " {" << std::endl;
for (auto itMember = enumData.members.begin(); itMember != enumData.members.end(); ++itMember)
{
ofs << " case " << enumData.name << "::" << itMember->name << ": return \"" << itMember->name.substr(1) << "\";" << std::endl;
}
ofs << " default: return \"invalid\";" << std::endl
<< " }" << std::endl;
}
ofs << " }" << std::endl;
leaveProtect(ofs, enumData.protect);
ofs << std::endl;
}
void writeFlagsToString(std::ofstream & ofs, std::string const& flagsName, EnumData const &enumData)
{
enterProtect(ofs, enumData.protect);
ofs << " VULKAN_HPP_INLINE std::string to_string(" << flagsName << (enumData.members.empty() ? ")" : " value)") << std::endl
<< " {" << std::endl;
if (enumData.members.empty())
{
ofs << " return \"{}\";" << std::endl;
}
else
{
ofs << " if (!value) return \"{}\";" << std::endl
<< " std::string result;" << std::endl;
for (auto itMember = enumData.members.begin(); itMember != enumData.members.end(); ++itMember)
{
ofs << " if (value & " << enumData.name << "::" << itMember->name << ") result += \"" << itMember->name.substr(1) << " | \";" << std::endl;
}
ofs << " return \"{\" + result.substr(0, result.size() - 3) + \"}\";" << std::endl;
}
ofs << " }" << std::endl;
leaveProtect(ofs, enumData.protect);
ofs << std::endl;
}
void writeEnumsToString(std::ofstream & ofs, VkData const& vkData)
{
for (auto it = vkData.dependencies.begin(); it != vkData.dependencies.end(); ++it)
{
switch (it->category)
{
case DependencyData::Category::ENUM:
assert(vkData.enums.find(it->name) != vkData.enums.end());
writeEnumsToString(ofs, vkData.enums.find(it->name)->second);
break;
case DependencyData::Category::FLAGS:
writeFlagsToString(ofs, it->name, vkData.enums.find(*it->dependencies.begin())->second);
break;
}
}
}
void writeTypeFlags(std::ofstream & ofs, std::string const& flagsName, FlagData const& flagData, EnumData const& enumData)
{
enterProtect(ofs, flagData.protect);
ofs << " using " << flagsName << " = Flags<" << enumData.name << ", Vk" << flagsName << ">;" << std::endl
<< std::endl
<< " VULKAN_HPP_INLINE " << flagsName << " operator|( " << enumData.name << " bit0, " << enumData.name << " bit1 )" << std::endl
<< " {" << std::endl
<< " return " << flagsName << "( bit0 ) | bit1;" << std::endl
<< " }" << std::endl;
if (!enumData.members.empty())
{
ofs << std::endl
<< " VULKAN_HPP_INLINE " << flagsName << " operator~( " << enumData.name << " bits )" << std::endl
<< " {" << std::endl
<< " return ~( " << flagsName << "( bits ) );" << std::endl
<< " }" << std::endl
<< std::endl
<< " template <> struct FlagTraits<" << enumData.name << ">" << std::endl
<< " {" << std::endl
<< " enum" << std::endl
<< " {" << std::endl
<< " allFlags = ";
for (size_t i = 0; i < enumData.members.size(); i++)
{
if (i != 0)
{
ofs << " | ";
}
ofs << "VkFlags(" << enumData.name << "::" << enumData.members[i].name << ")";
}
ofs << std::endl
<< " };" << std::endl
<< " };" << std::endl;
}
leaveProtect(ofs, flagData.protect);
ofs << std::endl;
}
void writeTypeHandle(std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData, HandleData const& handleData, std::list<DependencyData> const& dependencies)
{
std::string memberName = dependencyData.name;
assert(isupper(memberName[0]));
memberName[0] = tolower(memberName[0]);
enterProtect(ofs, handleData.protect);
if (!dependencyData.forwardDependencies.empty())
{
ofs << " // forward declarations" << std::endl;
for (std::set<std::string>::const_iterator it = dependencyData.forwardDependencies.begin(); it != dependencyData.forwardDependencies.end(); ++it)
{
assert(vkData.structs.find(*it) != vkData.structs.end());
ofs << " struct " << *it << ";" << std::endl;
}
ofs << std::endl;
}
std::map<std::string, std::set<std::string>>::const_iterator deleterTypesIt = vkData.deleterTypes.find(dependencyData.name);
if (deleterTypesIt != vkData.deleterTypes.end())
{
writeDeleterClasses(ofs, *deleterTypesIt, vkData.deleterData);
}
ofs << " class " << dependencyData.name << std::endl
<< " {" << std::endl
<< " public:" << std::endl
<< " " << dependencyData.name << "()" << std::endl
<< " : m_" << memberName << "(VK_NULL_HANDLE)" << std::endl
<< " {}" << std::endl
<< std::endl
<< "#if defined(VULKAN_HPP_TYPESAFE_CONVERSION)" << std::endl
// construct from native handle
<< " " << dependencyData.name << "(Vk" << dependencyData.name << " " << memberName << ")" << std::endl
<< " : m_" << memberName << "(" << memberName << ")" << std::endl
<< " {}" << std::endl
<< std::endl
// assignment from native handle
<< " " << dependencyData.name << "& operator=(Vk" << dependencyData.name << " " << memberName << ")" << std::endl
<< " {" << std::endl
<< " m_" << memberName << " = " << memberName << ";" << std::endl
<< " return *this;" << std::endl
<< " }" << std::endl
<< "#endif\n"
<< std::endl
// operator==
<< " bool operator==" << "(" << dependencyData.name << " const &rhs) const" << std::endl
<< " {" << std::endl
<< " return m_" << memberName << " == rhs.m_" << memberName << ";" << std::endl
<< " }" << std::endl
<< std::endl
// operator!=
<< " bool operator!=" << "(" << dependencyData.name << " const &rhs) const" << std::endl
<< " {" << std::endl
<< " return m_" << memberName << " != rhs.m_" << memberName << ";" << std::endl
<< " }" << std::endl
<< std::endl
// operator<
<< " bool operator<" << "(" << dependencyData.name << " const &rhs) const" << std::endl
<< " {" << std::endl
<< " return m_" << memberName << " < rhs.m_" << memberName << ";" << std::endl
<< " }" << std::endl
<< std::endl;
if (!handleData.commands.empty())
{
for (size_t i = 0; i < handleData.commands.size(); i++)
{
std::string commandName = handleData.commands[i];
std::map<std::string, CommandData>::const_iterator cit = vkData.commands.find(commandName);
assert((cit != vkData.commands.end()) && !cit->second.handle.empty());
std::list<DependencyData>::const_iterator dep = std::find_if(dependencies.begin(), dependencies.end(), [commandName](DependencyData const& dd) { return dd.name == commandName; });
assert(dep != dependencies.end() && (dep->name == cit->second.fullName));
std::string className = dependencyData.name;
std::ostringstream standard, enhanced;
writeTypeCommandStandard(standard, " ", cit->second.reducedName, *dep, cit->second, vkData.vkTypes);
writeTypeCommandEnhanced(enhanced, vkData, " ", className, cit->second.reducedName, *dep, cit->second);
if (standard.str().substr(standard.str().find('{')) == enhanced.str().substr(enhanced.str().find('{')))
{
ofs << standard.str() << std::endl;
}
else
{
bool unchangedInterface = !hasPointerParam(cit->second.params);
if (unchangedInterface)
{
ofs << "#ifdef VULKAN_HPP_DISABLE_ENHANCED_MODE" << std::endl;
}
ofs << standard.str();
if (unchangedInterface)
{
ofs << "#endif /*!VULKAN_HPP_DISABLE_ENHANCED_MODE*/" << std::endl;
}
ofs << std::endl
<< "#ifndef VULKAN_HPP_DISABLE_ENHANCED_MODE" << std::endl
<< enhanced.str()
<< "#endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/" << std::endl;
}
if (i < handleData.commands.size() - 1)
{
ofs << std::endl;
}
}
ofs << std::endl;
}
ofs << "#if !defined(VULKAN_HPP_TYPESAFE_CONVERSION)" << std::endl
<< " explicit" << std::endl
<< "#endif" << std::endl
<< " operator Vk" << dependencyData.name << "() const" << std::endl
<< " {" << std::endl
<< " return m_" << memberName << ";" << std::endl
<< " }" << std::endl
<< std::endl
<< " explicit operator bool() const" << std::endl
<< " {" << std::endl
<< " return m_" << memberName << " != VK_NULL_HANDLE;" << std::endl
<< " }" << std::endl
<< std::endl
<< " bool operator!() const" << std::endl
<< " {" << std::endl
<< " return m_" << memberName << " == VK_NULL_HANDLE;" << std::endl
<< " }" << std::endl
<< std::endl
<< " private:" << std::endl
<< " Vk" << dependencyData.name << " m_" << memberName << ";" << std::endl
<< " };" << std::endl
#if 1
<< " static_assert( sizeof( " << dependencyData.name << " ) == sizeof( Vk" << dependencyData.name << " ), \"handle and wrapper have different size!\" );" << std::endl
#endif
<< std::endl;
if (deleterTypesIt != vkData.deleterTypes.end())
{
writeDeleterOperators(ofs, *deleterTypesIt, vkData.deleterData);
}
leaveProtect(ofs, handleData.protect);
}
void writeTypeScalar( std::ofstream & ofs, DependencyData const& dependencyData )
{
assert( dependencyData.dependencies.size() == 1 );
ofs << " using " << dependencyData.name << " = " << *dependencyData.dependencies.begin() << ";" << std::endl
<< std::endl;
}
bool containsUnion(std::string const& type, std::map<std::string, StructData> const& structs)
{
std::map<std::string, StructData>::const_iterator sit = structs.find(type);
bool found = (sit != structs.end());
if (found)
{
found = sit->second.isUnion;
for (std::vector<MemberData>::const_iterator mit = sit->second.members.begin(); mit != sit->second.members.end() && !found; ++mit)
{
found = (mit->type == mit->pureType) && containsUnion(mit->type, structs);
}
}
return found;
}
void writeTypeStruct( std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData, std::map<std::string,std::string> const& defaultValues )
{
std::map<std::string,StructData>::const_iterator it = vkData.structs.find( dependencyData.name );
assert( it != vkData.structs.end() );
enterProtect(ofs, it->second.protect);
ofs << " struct " << dependencyData.name << std::endl
<< " {" << std::endl;
// only structs that are not returnedOnly get a constructor!
if ( !it->second.returnedOnly )
{
writeStructConstructor( ofs, dependencyData.name, it->second, vkData.vkTypes, defaultValues );
}
// create the setters
if (!it->second.returnedOnly)
{
for (size_t i = 0; i<it->second.members.size(); i++)
{
writeStructSetter( ofs, dependencyData.name, it->second.members[i], vkData.vkTypes );
}
}
// the cast-operator to the wrapped struct
ofs << " operator const Vk" << dependencyData.name << "&() const" << std::endl
<< " {" << std::endl
<< " return *reinterpret_cast<const Vk" << dependencyData.name << "*>(this);" << std::endl
<< " }" << std::endl
<< std::endl;
// operator==() and operator!=()
// only structs without a union as a member can have a meaningfull == and != operation; we filter them out
if (!containsUnion(dependencyData.name, vkData.structs))
{
ofs << " bool operator==( " << dependencyData.name << " const& rhs ) const" << std::endl
<< " {" << std::endl
<< " return ";
for (size_t i = 0; i < it->second.members.size(); i++)
{
if (i != 0)
{
ofs << std::endl << " && ";
}
if (!it->second.members[i].arraySize.empty())
{
ofs << "( memcmp( " << it->second.members[i].name << ", rhs." << it->second.members[i].name << ", " << it->second.members[i].arraySize << " * sizeof( " << it->second.members[i].type << " ) ) == 0 )";
}
else
{
ofs << "( " << it->second.members[i].name << " == rhs." << it->second.members[i].name << " )";
}
}
ofs << ";" << std::endl
<< " }" << std::endl
<< std::endl
<< " bool operator!=( " << dependencyData.name << " const& rhs ) const" << std::endl
<< " {" << std::endl
<< " return !operator==( rhs );" << std::endl
<< " }" << std::endl
<< std::endl;
}
// the member variables
for (size_t i = 0; i < it->second.members.size(); i++)
{
if (it->second.members[i].type == "StructureType")
{
assert((i == 0) && (it->second.members[i].name == "sType"));
ofs << " private:" << std::endl
<< " StructureType sType;" << std::endl
<< std::endl
<< " public:" << std::endl;
}
else
{
ofs << " " << it->second.members[i].type << " " << it->second.members[i].name;
if (!it->second.members[i].arraySize.empty())
{
ofs << "[" << it->second.members[i].arraySize << "]";
}
ofs << ";" << std::endl;
}
}
ofs << " };" << std::endl
<< " static_assert( sizeof( " << dependencyData.name << " ) == sizeof( Vk" << dependencyData.name << " ), \"struct and wrapper have different size!\" );" << std::endl;
leaveProtect(ofs, it->second.protect);
ofs << std::endl;
}
void writeTypeUnion( std::ofstream & ofs, VkData const& vkData, DependencyData const& dependencyData, StructData const& unionData, std::map<std::string,std::string> const& defaultValues )
{
std::ostringstream oss;
ofs << " union " << dependencyData.name << std::endl
<< " {" << std::endl;
for ( size_t i=0 ; i<unionData.members.size() ; i++ )
{
// one constructor per union element
ofs << " " << dependencyData.name << "( ";
if ( unionData.members[i].arraySize.empty() )
{
ofs << unionData.members[i].type << " ";
}
else
{
ofs << "const std::array<" << unionData.members[i].type << "," << unionData.members[i].arraySize << ">& ";
}
ofs << unionData.members[i].name << "_";
// just the very first constructor gets default arguments
if ( i == 0 )
{
std::map<std::string,std::string>::const_iterator it = defaultValues.find( unionData.members[i].pureType );
assert( it != defaultValues.end() );
if ( unionData.members[i].arraySize.empty() )
{
ofs << " = " << it->second;
}
else
{
ofs << " = { {" << it->second << "} }";
}
}
ofs << " )" << std::endl
<< " {" << std::endl
<< " ";
if ( unionData.members[i].arraySize.empty() )
{
ofs << unionData.members[i].name << " = " << unionData.members[i].name << "_";
}
else
{
ofs << "memcpy( &" << unionData.members[i].name << ", " << unionData.members[i].name << "_.data(), " << unionData.members[i].arraySize << " * sizeof( " << unionData.members[i].type << " ) )";
}
ofs << ";" << std::endl
<< " }" << std::endl
<< std::endl;
}
for (size_t i = 0; i<unionData.members.size(); i++)
{
// one setter per union element
assert(!unionData.returnedOnly);
writeStructSetter(ofs, dependencyData.name, unionData.members[i], vkData.vkTypes);
}
// the implicit cast operator to the native type
ofs << " operator Vk" << dependencyData.name << " const& () const" << std::endl
<< " {" << std::endl
<< " return *reinterpret_cast<const Vk" << dependencyData.name << "*>(this);" << std::endl
<< " }" << std::endl
<< std::endl;
// the union member variables
// if there's at least one Vk... type in this union, check for unrestricted unions support
bool needsUnrestrictedUnions = false;
for (size_t i = 0; i < unionData.members.size() && !needsUnrestrictedUnions; i++)
{
needsUnrestrictedUnions = (vkData.vkTypes.find(unionData.members[i].type) != vkData.vkTypes.end());
}
if (needsUnrestrictedUnions)
{
ofs << "#ifdef VULKAN_HPP_HAS_UNRESTRICTED_UNIONS" << std::endl;
for (size_t i = 0; i < unionData.members.size(); i++)
{
ofs << " " << unionData.members[i].type << " " << unionData.members[i].name;
if (!unionData.members[i].arraySize.empty())
{
ofs << "[" << unionData.members[i].arraySize << "]";
}
ofs << ";" << std::endl;
}
ofs << "#else" << std::endl;
}
for (size_t i = 0; i < unionData.members.size(); i++)
{
ofs << " ";
if (vkData.vkTypes.find(unionData.members[i].type) != vkData.vkTypes.end())
{
ofs << "Vk";
}
ofs << unionData.members[i].type << " " << unionData.members[i].name;
if (!unionData.members[i].arraySize.empty())
{
ofs << "[" << unionData.members[i].arraySize << "]";
}
ofs << ";" << std::endl;
}
if (needsUnrestrictedUnions)
{
ofs << "#endif // VULKAN_HPP_HAS_UNRESTRICTED_UNIONS" << std::endl;
}
ofs << " };" << std::endl
<< std::endl;
}
void writeTypes(std::ofstream & ofs, VkData const& vkData, std::map<std::string, std::string> const& defaultValues)
{
for ( std::list<DependencyData>::const_iterator it = vkData.dependencies.begin() ; it != vkData.dependencies.end() ; ++it )
{
switch( it->category )
{
case DependencyData::Category::COMMAND :
writeTypeCommand( ofs, vkData, *it );
break;
case DependencyData::Category::ENUM :
assert( vkData.enums.find( it->name ) != vkData.enums.end() );
writeTypeEnum( ofs, vkData.enums.find( it->name )->second );
break;
case DependencyData::Category::FLAGS :
assert(vkData.flags.find(it->name) != vkData.flags.end());
writeTypeFlags( ofs, it->name, vkData.flags.find( it->name)->second, vkData.enums.find(generateEnumNameForFlags(it->name))->second );
break;
case DependencyData::Category::FUNC_POINTER :
case DependencyData::Category::REQUIRED :
// skip FUNC_POINTER and REQUIRED, they just needed to be in the dependencies list to resolve dependencies
break;
case DependencyData::Category::HANDLE :
assert(vkData.handles.find(it->name) != vkData.handles.end());
writeTypeHandle(ofs, vkData, *it, vkData.handles.find(it->name)->second, vkData.dependencies);
break;
case DependencyData::Category::SCALAR :
writeTypeScalar( ofs, *it );
break;
case DependencyData::Category::STRUCT :
writeTypeStruct( ofs, vkData, *it, defaultValues );
break;
case DependencyData::Category::UNION :
assert( vkData.structs.find( it->name ) != vkData.structs.end() );
writeTypeUnion( ofs, vkData, *it, vkData.structs.find( it->name )->second, defaultValues );
break;
default :
assert( false );
break;
}
}
}
void writeVersionCheck(std::ofstream & ofs, std::string const& version)
{
ofs << "static_assert( VK_HEADER_VERSION == " << version << " , \"Wrong VK_HEADER_VERSION!\" );" << std::endl
<< std::endl;
}
void writeTypesafeCheck(std::ofstream & ofs, std::string const& typesafeCheck)
{
ofs << "// 32-bit vulkan is not typesafe for handles, so don't allow copy constructors on this platform by default." << std::endl
<< "// To enable this feature on 32-bit platforms please define VULKAN_HPP_TYPESAFE_CONVERSION" << std::endl
<< typesafeCheck << std::endl
<< "# if !defined( VULKAN_HPP_TYPESAFE_CONVERSION )" << std::endl
<< "# define VULKAN_HPP_TYPESAFE_CONVERSION" << std::endl
<< "# endif" << std::endl
<< "#endif" << std::endl
<< std::endl;
}
int main( int argc, char **argv )
{
try {
tinyxml2::XMLDocument doc;
std::string filename = (argc == 1) ? VK_SPEC : argv[1];
std::cout << "Loading vk.xml from " << filename << std::endl;
std::cout << "Writing vulkan.hpp to " << VULKAN_HPP << std::endl;
tinyxml2::XMLError error = doc.LoadFile(filename.c_str());
if (error != tinyxml2::XML_SUCCESS)
{
std::cout << "VkGenerate: failed to load file " << argv[1] << " . Error code: " << error << std::endl;
return -1;
}
tinyxml2::XMLElement * registryElement = doc.FirstChildElement();
assert(strcmp(registryElement->Value(), "registry") == 0);
assert(!registryElement->NextSiblingElement());
VkData vkData;
tinyxml2::XMLElement * child = registryElement->FirstChildElement();
do
{
assert(child->Value());
const std::string value = child->Value();
if (value == "commands")
{
readCommands(child, vkData);
}
else if (value == "comment")
{
readComment(child, vkData.vulkanLicenseHeader);
vkData.vulkanLicenseHeader = trimStart(vkData.vulkanLicenseHeader);
}
else if (value == "enums")
{
readEnums(child, vkData);
}
else if (value == "extensions")
{
readExtensions(child, vkData);
}
else if (value == "tags")
{
readTags(child, vkData.tags);
}
else if (value == "types")
{
readTypes(child, vkData);
}
else
{
assert((value == "feature") || (value == "vendorids"));
}
} while (child = child->NextSiblingElement());
sortDependencies(vkData.dependencies);
std::map<std::string, std::string> defaultValues;
createDefaults(vkData, defaultValues);
std::ofstream ofs(VULKAN_HPP);
ofs << vkData.vulkanLicenseHeader << std::endl
<< std::endl
<< std::endl
<< "#ifndef VULKAN_HPP" << std::endl
<< "#define VULKAN_HPP" << std::endl
<< std::endl
<< "#include <algorithm>" << std::endl
<< "#include <array>" << std::endl
<< "#include <cassert>" << std::endl
<< "#include <cstdint>" << std::endl
<< "#include <cstring>" << std::endl
<< "#include <initializer_list>" << std::endl
<< "#include <string>" << std::endl
<< "#include <system_error>" << std::endl
<< "#include <tuple>" << std::endl
<< "#include <type_traits>" << std::endl
<< "#include <vulkan/vulkan.h>" << std::endl
<< "#ifndef VULKAN_HPP_DISABLE_ENHANCED_MODE" << std::endl
<< "# include <memory>" << std::endl
<< "# include <vector>" << std::endl
<< "#endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/" << std::endl
<< std::endl;
writeVersionCheck(ofs, vkData.version);
writeTypesafeCheck(ofs, vkData.typesafeCheck);
ofs << versionCheckHeader
<< inlineHeader
<< "namespace vk" << std::endl
<< "{" << std::endl
<< flagsHeader
<< optionalClassHeader
<< arrayProxyHeader
<< uniqueHandleHeader;
// first of all, write out vk::Result and the exception handling stuff
std::list<DependencyData>::const_iterator it = std::find_if(vkData.dependencies.begin(), vkData.dependencies.end(), [](DependencyData const& dp) { return dp.name == "Result"; });
assert(it != vkData.dependencies.end());
writeTypeEnum(ofs, vkData.enums.find(it->name)->second);
writeEnumsToString(ofs, vkData.enums.find(it->name)->second);
vkData.dependencies.erase(it);
ofs << exceptionHeader;
ofs << "} // namespace vk" << std::endl
<< std::endl
<< "namespace std" << std::endl
<< "{" << std::endl
<< " template <>" << std::endl
<< " struct is_error_code_enum<vk::Result> : public true_type" << std::endl
<< " {};" << std::endl
<< "}" << std::endl
<< std::endl
<< "namespace vk" << std::endl
<< "{" << std::endl
<< resultValueHeader
<< createResultValueHeader;
assert(vkData.deleterTypes.find("") != vkData.deleterTypes.end());
writeDeleterClasses(ofs, *vkData.deleterTypes.find(""), vkData.deleterData);
writeTypes(ofs, vkData, defaultValues);
writeDeleterOperators(ofs, *vkData.deleterTypes.find(""), vkData.deleterData);
writeEnumsToString(ofs, vkData);
ofs << "} // namespace vk" << std::endl
<< std::endl
<< "#endif" << std::endl;
}
catch (std::exception const& e)
{
std::cout << "caught exception: " << e.what() << std::endl;
return -1;
}
catch (...)
{
std::cout << "caught unknown exception" << std::endl;
return -1;
}
}
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