ed/gencpp
1
0
Fork 0
mirror of https://github.com/Ed94/gencpp.git synced 2025-07-01 11:21:04 -07:00
Code Issues Packages Projects Releases Wiki Activity

inital implemention of UE library variant generator completed

Browse Source
This commit is contained in:
Edward R. Gonzalez
2024-10-25 05:01:37 -04:00
parent 33f992ef56
commit f90c0a59b6
17 changed files with 402 additions and 215 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
unreal_engine/Readme.md
View File

@ -1,4 +1,3 @@
# Unreal Engine Version Generator
This generates a variant of gencpp thats compatiable with use as a thirdparty module within a plugin or module of an Unreal Project or the Engine itself.
This generates a variant of gencpp thats compatiable with use as a thirdparty module within a plugin or module of an Unreal Project or the Engine itself.

126
unreal_engine/components/dependencies.header_start.hpp
View File

@ -1,126 +0,0 @@
#pragma once
#pragma region Platform Detection
/* Platform architecture */
#if defined( _WIN64 ) || defined( __x86_64__ ) || defined( _M_X64 ) || defined( __64BIT__ ) || defined( __powerpc64__ ) || defined( __ppc64__ ) || defined( __aarch64__ )
# ifndef GEN_ARCH_64_BIT
# define GEN_ARCH_64_BIT 1
# endif
#else
# ifndef GEN_ARCH_32_BItxt_StrCaT
# define GEN_ARCH_32_BIT 1
# endif
#endif
/* Platform OS */
#if defined( _WIN32 ) || defined( _WIN64 )
# ifndef GEN_SYSTEM_WINDOWS
# define GEN_SYSTEM_WINDOWS 1
# endif
#elif defined( __APPLE__ ) && defined( __MACH__ )
# ifndef GEN_SYSTEM_OSX
# define GEN_SYSTEM_OSX 1
# endif
# ifndef GEN_SYSTEM_MACOS
# define GEN_SYSTEM_MACOS 1
# endif
# include <TargetConditionals.h>
# if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
# ifndef GEN_SYSTEM_IOS
# define GEN_SYSTEM_IOS 1
# endif
# endif
#elif defined( __unix__ )
# ifndef GEN_SYSTEM_UNIX
# define GEN_SYSTEM_UNIX 1
# endif
# if defined( ANDROID ) || defined( __ANDROID__ )
# ifndef GEN_SYSTEM_ANDROID
# define GEN_SYSTEM_ANDROID 1
# endif
# ifndef GEN_SYSTEM_LINUX
# define GEN_SYSTEM_LINUX 1
# endif
# elif defined( __linux__ )
# ifndef GEN_SYSTEM_LINUX
# define GEN_SYSTEM_LINUX 1
# endif
# elif defined( __FreeBSD__ ) || defined( __FreeBSD_kernel__ )
# ifndef GEN_SYSTEM_FREEBSD
# define GEN_SYSTEM_FREEBSD 1
# endif
# elif defined( __OpenBSD__ )
# ifndef GEN_SYSTEM_OPENBSD
# define GEN_SYSTEM_OPENBSD 1
# endif
# elif defined( __EMSCRIPTEN__ )
# ifndef GEN_SYSTEM_EMSCRIPTEN
# define GEN_SYSTEM_EMSCRIPTEN 1
# endif
# elif defined( __CYGWIN__ )
# ifndef GEN_SYSTEM_CYGWIN
# define GEN_SYSTEM_CYGWIN 1
# endif
# else
# error This UNIX operating system is not supported
# endif
#else
# error This operating system is not supported
#endif
/* Platform compiler */
#if defined( _MSC_VER )
# define GEN_COMPILER_MSVC 1
#elif defined( __GNUC__ )
# define GEN_COMPILER_GCC 1
#elif defined( __clang__ )
# define GEN_COMPILER_CLANG 1
#elif defined( __MINGW32__ )
# define GEN_COMPILER_MINGW 1
# error Unknown compiler
#endif
#if defined( __has_attribute )
# define GEN_HAS_ATTRIBUTE( attribute ) __has_attribute( attribute )
#else
# define GEN_HAS_ATTRIBUTE( attribute ) ( 0 )
#endif
#if defined(GEN_GCC_VERSION_CHECK)
# undef GEN_GCC_VERSION_CHECK
#endif
#if defined(GEN_GCC_VERSION)
# define GEN_GCC_VERSION_CHECK(major,minor,patch) (GEN_GCC_VERSION >= GEN_VERSION_ENCODE(major, minor, patch))
#else
# define GEN_GCC_VERSION_CHECK(major,minor,patch) (0)
#endif
#define GEN_DEF_INLINE static
#define GEN_IMPL_INLINE static inline
#pragma endregion Platform Detection
#pragma region Mandatory Includes
# include <stdarg.h>
# include <stddef.h>
# if defined( GEN_SYSTEM_WINDOWS )
# include <intrin.h>
# endif
#pragma endregion Mandatory Includes
#ifdef GEN_DONT_USE_NAMESPACE
# define GEN_NS
# define GEN_NS_BEGIN
# define GEN_NS_END
#else
# define GEN_NS gen::
# define GEN_NS_BEGIN namespace gen {
# define GEN_NS_END }
#endif

31
unreal_engine/components/header_start.hpp Normal file
View File

@ -0,0 +1,31 @@
/*
gencpp: An attempt at "simple" staged metaprogramming for c/c++.
See Readme.md for more information from the project repository.
Public Address:
https://github.com/Ed94/gencpp
This is a variant intended for use with Unreal Engine 5
*/
#if ! defined(GEN_DONT_ENFORCE_GEN_TIME_GUARD) && ! defined(GEN_TIME)
# error Gen.hpp : GEN_TIME not defined
#endif
//! If its desired to roll your own dependencies, define GEN_ROLL_OWN_DEPENDENCIES before including this file.
// Dependencies are derived from the c-zpl library: https://github.com/zpl-c/zpl
#ifndef GEN_ROLL_OWN_DEPENDENCIES
# include "gen.dep.hpp"
#endif
#ifndef GEN_NS_BEGIN
# ifdef GEN_DONT_USE_NAMESPACE
# define GEN_NS
# define GEN_NS_BEGIN
# define GEN_NS_END
# else
# define GEN_NS gen::
# define GEN_NS_BEGIN namespace gen {
# define GEN_NS_END }
# endif
#endif

0
unreal_engine/components/source_start.cpp
View File

5
unreal_engine/components/src_start.cpp Normal file
View File

@ -0,0 +1,5 @@
#if ! defined(GEN_DONT_ENFORCE_GEN_TIME_GUARD) && ! defined(GEN_TIME)
# error Gen.hpp : GEN_TIME not defined
#endif
#include "gen.hpp"

10
unreal_engine/enums/AttributeTokens.csv
View File

@ -1,3 +1,7 @@
// TODO(Ed): The Attribute tokens need to be expanded and regenerated on a per-project/installation of this library for a specific codebase of Unreal.
// We can support an arbitrary set of modules or plugin apis for parsing
// but its up to the user to define them all (This will just provide whats be used in previous usages with Unreal).
API_Export, GEN_API_Export_Code
API_Import, GEN_API_Import_Code
UE_DEPRECATED, UE_DEPRECATED
UMG_API, UMG_API
COREUOBJECT_API, COREUOBJECT_API
ENGINE_API, ENGINE_API
GAMEPLAYABILITIES_API, GAMEPLAYABILITIES_API

1 // TODO(Ed): The Attribute tokens need to be expanded and regenerated on a per-project/installation of this library for a specific codebase of Unreal. API_Export GEN_API_Export_Code
2 // We can support an arbitrary set of modules or plugin apis for parsing API_Import GEN_API_Import_Code
3 // but its up to the user to define them all (This will just provide whats be used in previous usages with Unreal). UE_DEPRECATED UE_DEPRECATED
4 UMG_API UMG_API
5 COREUOBJECT_API COREUOBJECT_API
6 ENGINE_API ENGINE_API
7 GAMEPLAYABILITIES_API GAMEPLAYABILITIES_API

222
unreal_engine/unreal.cpp
View File

@ -17,7 +17,7 @@ GEN_NS_END
using namespace gen;
constexpr char const* generation_notice =
"// This file was generated automatially by gencpp's unreal.cpp"
"// This file was generated automatially by gencpp's unreal.cpp "
"(See: https://github.com/Ed94/gencpp)\n\n";
constexpr StrC implementation_guard_start = txt(R"(
@ -193,4 +193,224 @@ R"(#ifdef GEN_COMPILER_MSVC
header.print( pop_ignores );
header.write();
}
// gen_dep.cpp
{
Code src_start = scan_file( project_dir "dependencies/src_start.cpp" );
Code debug = scan_file( project_dir "dependencies/debug.cpp" );
Code string_ops = scan_file( project_dir "dependencies/string_ops.cpp" );
Code printing = scan_file( project_dir "dependencies/printing.cpp" );
Code memory = scan_file( project_dir "dependencies/memory.cpp" );
Code hashing = scan_file( project_dir "dependencies/hashing.cpp" );
Code strings = scan_file( project_dir "dependencies/strings.cpp" );
Code filesystem = scan_file( project_dir "dependencies/filesystem.cpp" );
Code timing = scan_file( project_dir "dependencies/timing.cpp" );
Builder
src = Builder::open( "gen/gen.dep.cpp" );
src.print_fmt( generation_notice );
src.print( def_include(txt("gen.dep.hpp")));
src.print( fmt_newline );
src.print( push_ignores );
src.print( src_start );
src.print_fmt( "\nGEN_NS_BEGIN\n" );
src.print( debug );
src.print( string_ops );
src.print( printing );
src.print( hashing );
src.print( memory );
src.print( strings );
src.print( filesystem );
src.print( timing );
src.print_fmt( "\nGEN_NS_END\n" );
src.print( fmt_newline );
src.print( pop_ignores );
src.write();
}
// gen.hpp
{
Code header_start = scan_file( "components/header_start.hpp" );
Code types = scan_file( project_dir "components/types.hpp" );
Code ast = scan_file( project_dir "components/ast.hpp" );
Code ast_types = scan_file( project_dir "components/ast_types.hpp" );
Code code_types = scan_file( project_dir "components/code_types.hpp" );
Code interface = scan_file( project_dir "components/interface.hpp" );
Code inlines = scan_file( project_dir "components/inlines.hpp" );
Code header_end = scan_file( project_dir "components/header_end.hpp" );
CodeBody ecode = gen_ecode ( project_dir "enums/ECode.csv" );
CodeBody eoperator = gen_eoperator ( project_dir "enums/EOperator.csv" );
CodeBody especifier = gen_especifier( project_dir "enums/ESpecifier.csv" );
CodeBody ast_inlines = gen_ast_inlines();
Builder
header = Builder::open( "gen/gen.hpp" );
header.print_fmt( generation_notice );
header.print_fmt( "#pragma once\n\n" );
header.print( push_ignores );
header.print( fmt_newline );
header.print( header_start );
header.print_fmt( "\nGEN_NS_BEGIN\n\n" );
header.print_fmt( "#pragma region Types\n" );
header.print( types );
header.print( ecode );
header.print( eoperator );
header.print( especifier );
header.print_fmt( "#pragma endregion Types\n\n" );
header.print_fmt( "#pragma region AST\n" );
header.print( ast );
header.print( code_types );
header.print( ast_types );
header.print_fmt( "\n#pragma endregion AST\n" );
header.print( interface );
header.print_fmt( "\n#pragma region Inlines\n" );
header.print( inlines );
header.print( fmt_newline );
header.print( ast_inlines );
header.print_fmt( "#pragma endregion Inlines\n" );
header.print( header_end );
header.print_fmt( "GEN_NS_END\n\n" );
header.print( pop_ignores );
header.write();
}
// gen.cpp
{
Code src_start = scan_file( "components/src_start.cpp" );
Code static_data = scan_file( project_dir "components/static_data.cpp" );
Code ast_case_macros = scan_file( project_dir "components/ast_case_macros.cpp" );
Code ast = scan_file( project_dir "components/ast.cpp" );
Code code_serialization = scan_file( project_dir "components/code_serialization.cpp" );
Code interface = scan_file( project_dir "components/interface.cpp" );
Code upfront = scan_file( project_dir "components/interface.upfront.cpp" );
Code lexer = scan_file( project_dir "components/lexer.cpp" );
Code parser = scan_file( project_dir "components/parser.cpp" );
Code parsing_interface = scan_file( project_dir "components/interface.parsing.cpp" );
Code untyped = scan_file( project_dir "components/interface.untyped.cpp" );
// Note(Ed): The Attribute tokens need to be expanded and regenerated on a per-project/installation of this library for a specific codebase of Unreal.
// We can support an arbitrary set of modules or plugin apis for parsing
// but its up to the user to define them all (This will just provide whats I've used up till now).
CodeBody etoktype = gen_etoktype( project_dir "enums/ETokType.csv", "enums/AttributeTokens.csv" );
CodeNS nspaced_etoktype = def_namespace( name(parser), def_namespace_body( args(etoktype)) );
Builder
src = Builder::open( "gen/gen.cpp" );
src.print_fmt( generation_notice );
src.print( push_ignores );
src.print( fmt_newline );
src.print( src_start );
src.print( fmt_newline );
src.print_fmt( "GEN_NS_BEGIN\n");
src.print( static_data );
src.print_fmt( "\n#pragma region AST\n\n" );
src.print( ast_case_macros );
src.print( ast );
src.print( code_serialization );
src.print_fmt( "\n#pragma endregion AST\n" );
src.print_fmt( "\n#pragma region Interface\n" );
src.print( interface );
src.print( upfront );
src.print_fmt( "\n#pragma region Parsing\n\n" );
src.print( nspaced_etoktype );
src.print( lexer );
src.print( parser );
src.print( parsing_interface );
src.print( untyped );
src.print_fmt( "\n#pragma endregion Parsing\n\n" );
src.print_fmt( "#pragma endregion Interface\n\n" );
src.print_fmt( "GEN_NS_END\n\n");
src.print( pop_ignores );
src.write();
}
// gen_builder.hpp
{
Code builder = scan_file( project_dir "auxillary/builder.hpp" );
Builder
header = Builder::open( "gen/gen.builder.hpp" );
header.print_fmt( generation_notice );
header.print( push_ignores );
header.print( fmt_newline );
header.print_fmt( "#pragma once\n\n" );
header.print( def_include( txt("gen.hpp") ));
header.print_fmt( "\nGEN_NS_BEGIN\n" );
header.print( builder );
header.print_fmt( "GEN_NS_END\n" );
header.print( fmt_newline );
header.print( pop_ignores );
header.write();
}
// gen_builder.cpp
{
Code builder = scan_file( project_dir "auxillary/builder.cpp" );
Builder
src = Builder::open( "gen/gen.builder.cpp" );
src.print_fmt( generation_notice );
src.print( push_ignores );
src.print( fmt_newline );
src.print( def_include( txt("gen.builder.hpp") ) );
src.print_fmt( "\nGEN_NS_BEGIN\n" );
src.print( builder );
src.print_fmt( "\nGEN_NS_END\n" );
src.print( fmt_newline );
src.print( pop_ignores );
src.write();
}
// gen_scanner.hpp
{
Code parsing = scan_file( project_dir "dependencies/parsing.hpp" );
Code scanner = scan_file( project_dir "auxillary/scanner.hpp" );
Builder
header = Builder::open( "gen/gen.scanner.hpp" );
header.print_fmt( generation_notice );
header.print_fmt( "#pragma once\n\n" );
header.print( push_ignores );
header.print( fmt_newline );
header.print( def_include( txt("gen.hpp") ) );
header.print_fmt( "\nGEN_NS_BEGIN\n" );
header.print( parsing );
header.print( scanner );
header.print_fmt( "GEN_NS_END\n" );
header.print( fmt_newline );
header.print( pop_ignores );
header.write();
}
// gen.scanner.cpp
{
Code parsing = scan_file( project_dir "dependencies/parsing.cpp" );
Code scanner = scan_file( project_dir "auxillary/scanner.cpp" );
Builder
src = Builder::open( "gen/gen.scanner.cpp" );
src.print_fmt( generation_notice );
src.print( push_ignores );
src.print( fmt_newline );
src.print( def_include( txt("gen.scanner.hpp") ) );
src.print_fmt( "\nGEN_NS_BEGIN\n" );
src.print( parsing );
// src.print( scanner );
src.print_fmt( "GEN_NS_END\n" );
src.print( fmt_newline );
src.print( pop_ignores );
src.write();
}
}