mirror of
https://github.com/Ed94/gencpp.git
synced 2025-11-03 23:36:12 -08:00
dir restructuring
just making it more organized (gen_ prefix for library generation meta-programs)
This commit is contained in:
397
gen_unreal_engine/unreal.cpp
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397
gen_unreal_engine/unreal.cpp
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@@ -0,0 +1,397 @@
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#define GEN_DEFINE_LIBRARY_CODE_CONSTANTS
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#define GEN_ENFORCE_STRONG_CODE_TYPES
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#define GEN_EXPOSE_BACKEND
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#include "gen.cpp"
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#include "helpers/push_ignores.inline.hpp"
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#include "helpers/helper.hpp"
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GEN_NS_BEGIN
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#include "dependencies/parsing.cpp"
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GEN_NS_END
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#include "auxillary/builder.hpp"
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#include "auxillary/builder.cpp"
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#include "auxillary/scanner.hpp"
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#include <cstdlib> // for system()
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using namespace gen;
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constexpr char const* generation_notice =
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"// This file was generated automatially by gencpp's unreal.cpp "
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"(See: https://github.com/Ed94/gencpp)\n\n";
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constexpr StrC implementation_guard_start = txt(R"(
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#pragma region GENCPP IMPLEMENTATION GUARD
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#if defined(GEN_IMPLEMENTATION) && ! defined(GEN_IMPLEMENTED)
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# define GEN_IMPLEMENTED
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)");
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constexpr StrC implementation_guard_end = txt(R"(
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#endif
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#pragma endregion GENCPP IMPLEMENTATION GUARD
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)");
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constexpr StrC roll_own_dependencies_guard_start = txt(R"(
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//! If its desired to roll your own dependencies, define GEN_ROLL_OWN_DEPENDENCIES before including this file.
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// Dependencies are derived from the c-zpl library: https://github.com/zpl-c/zpl
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#ifndef GEN_ROLL_OWN_DEPENDENCIES
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)");
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constexpr StrC roll_own_dependencies_guard_end = txt(R"(
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// GEN_ROLL_OWN_DEPENDENCIES
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#endif
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)");
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global bool generate_gen_dep = true;
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global bool generate_builder = true;
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global bool generate_editor = true;
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global bool generate_scanner = true;
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void format_file( char const* path )
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{
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String resolved_path = String::make(GlobalAllocator, to_str(path));
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String style_arg = String::make(GlobalAllocator, txt("-style=file:"));
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style_arg.append("../scripts/.clang-format ");
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// Need to execute clang format on the generated file to get it to match the original.
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#define clang_format "clang-format "
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#define cf_format_inplace "-i "
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#define cf_verbose "-verbose "
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String command = String::make( GlobalAllocator, clang_format );
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command.append( cf_format_inplace );
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command.append( cf_verbose );
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command.append( style_arg );
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command.append( resolved_path );
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log_fmt("\tRunning clang-format on file:\n");
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system( command );
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log_fmt("\tclang-format finished reformatting.\n");
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#undef cf_cmd
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#undef cf_format_inplace
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#undef cf_style
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#undef cf_verbse
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}
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Code dump_to_scratch_and_retireve( Code code )
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{
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Builder ecode_file_temp = Builder::open("gen/scratch.hpp");
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ecode_file_temp.print(code);
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ecode_file_temp.write();
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format_file("gen/scratch.hpp");
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Code result = scan_file( "gen/scratch.hpp" );
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remove("gen/scratch.hpp");
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return result;
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}
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int gen_main()
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{
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#define project_dir "../project/"
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gen::init();
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Code push_ignores = scan_file( project_dir "helpers/push_ignores.inline.hpp" );
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Code pop_ignores = scan_file( project_dir "helpers/pop_ignores.inline.hpp" );
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Code ue_forceinline = code_str(FORCEINLINE);
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// Code
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// gen_dep.hpp
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{
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CodeBody macros = def_body( CodeT::Global_Body );
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{
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FileContents content = file_read_contents( GlobalAllocator, true, project_dir "dependencies/macros.hpp" );
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CodeBody ori_macros = parse_global_body( StrC { content.size, (char const*)content.data });
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for (Code code = ori_macros.begin();
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code != ori_macros.end();
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++ code )
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{
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switch (code->Type)
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{
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using namespace ECode;
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case Preprocess_Define:
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{
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CodeDefine define = code.cast<CodeDefine>();
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if ( define->Name.starts_with(txt("global")) )
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{
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macros.append(parse_global_body(txt("#define global // Global variables")));
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continue;
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}
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macros.append(define);
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}
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break;
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default:
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macros.append(code);
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break;
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}
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}
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}
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Code platform = scan_file( project_dir "dependencies/platform.hpp" );
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Code basic_types = scan_file( project_dir "dependencies/basic_types.hpp" );
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Code debug = scan_file( project_dir "dependencies/debug.hpp" );
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Code memory = scan_file( project_dir "dependencies/memory.hpp" );
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Code string_ops = scan_file( project_dir "dependencies/string_ops.hpp" );
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Code printing = scan_file( project_dir "dependencies/printing.hpp" );
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Code containers = scan_file( project_dir "dependencies/containers.hpp" );
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Code hashing = scan_file( project_dir "dependencies/hashing.hpp" );
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Code strings = scan_file( project_dir "dependencies/strings.hpp" );
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Code filesystem = scan_file( project_dir "dependencies/filesystem.hpp" );
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Code timing = scan_file( project_dir "dependencies/timing.hpp" );
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Builder
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header = Builder::open("gen/gen.dep.hpp");
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header.print_fmt( generation_notice );
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header.print( pragma_once );
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header.print( push_ignores );
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header.print( platform );
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header.print_fmt( "\nGEN_NS_BEGIN\n" );
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header.print( fmt_newline);
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header.print( dump_to_scratch_and_retireve(macros) );
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header.print( basic_types );
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header.print( debug );
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header.print( memory );
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header.print( string_ops );
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header.print( printing );
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header.print( containers );
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header.print( hashing );
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header.print( strings );
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header.print( filesystem );
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header.print( timing );
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header.print_fmt( "\nGEN_NS_END\n" );
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header.print( fmt_newline );
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header.print( pop_ignores );
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header.write();
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}
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// gen_dep.cpp
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{
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Code src_start = scan_file( project_dir "dependencies/src_start.cpp" );
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Code debug = scan_file( project_dir "dependencies/debug.cpp" );
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Code string_ops = scan_file( project_dir "dependencies/string_ops.cpp" );
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Code printing = scan_file( project_dir "dependencies/printing.cpp" );
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Code memory = scan_file( project_dir "dependencies/memory.cpp" );
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Code hashing = scan_file( project_dir "dependencies/hashing.cpp" );
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Code strings = scan_file( project_dir "dependencies/strings.cpp" );
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Code filesystem = scan_file( project_dir "dependencies/filesystem.cpp" );
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Code timing = scan_file( project_dir "dependencies/timing.cpp" );
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Builder
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src = Builder::open( "gen/gen.dep.cpp" );
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src.print_fmt( generation_notice );
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src.print( def_include(txt("gen.dep.hpp")));
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src.print( fmt_newline );
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src.print( push_ignores );
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src.print( src_start );
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src.print_fmt( "\nGEN_NS_BEGIN\n" );
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src.print( debug );
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src.print( string_ops );
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src.print( printing );
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src.print( hashing );
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src.print( memory );
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src.print( strings );
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src.print( filesystem );
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src.print( timing );
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src.print_fmt( "\nGEN_NS_END\n" );
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src.print( fmt_newline );
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src.print( pop_ignores );
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src.write();
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}
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// gen.hpp
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{
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Code header_start = scan_file( "components/header_start.hpp" );
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Code types = scan_file( project_dir "components/types.hpp" );
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Code ast = scan_file( project_dir "components/ast.hpp" );
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Code ast_types = scan_file( project_dir "components/ast_types.hpp" );
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Code code_types = scan_file( project_dir "components/code_types.hpp" );
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Code interface = scan_file( project_dir "components/interface.hpp" );
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Code inlines = scan_file( project_dir "components/inlines.hpp" );
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Code header_end = scan_file( project_dir "components/header_end.hpp" );
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CodeBody ecode = gen_ecode ( project_dir "enums/ECode.csv" );
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CodeBody eoperator = gen_eoperator ( project_dir "enums/EOperator.csv" );
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CodeBody especifier = gen_especifier( project_dir "enums/ESpecifier.csv" );
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CodeBody ast_inlines = gen_ast_inlines();
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Builder
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header = Builder::open( "gen/gen.hpp" );
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header.print_fmt( generation_notice );
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header.print_fmt( "#pragma once\n\n" );
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header.print( push_ignores );
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header.print( fmt_newline );
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header.print( header_start );
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header.print_fmt( "\nGEN_NS_BEGIN\n\n" );
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header.print_fmt( "#pragma region Types\n" );
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header.print( types );
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header.print( fmt_newline );
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header.print( dump_to_scratch_and_retireve(ecode) );
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header.print( fmt_newline );
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header.print( dump_to_scratch_and_retireve(eoperator) );
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header.print( fmt_newline );
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header.print( dump_to_scratch_and_retireve(especifier) );
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header.print( fmt_newline );
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header.print_fmt( "#pragma endregion Types\n\n" );
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header.print_fmt( "#pragma region AST\n" );
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header.print( ast );
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header.print( code_types );
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header.print( ast_types );
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header.print_fmt( "\n#pragma endregion AST\n" );
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header.print( interface );
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header.print_fmt( "\n#pragma region Inlines\n" );
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header.print( inlines );
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header.print( fmt_newline );
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header.print( dump_to_scratch_and_retireve(ast_inlines) );
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header.print( fmt_newline );
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header.print_fmt( "#pragma endregion Inlines\n" );
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header.print( header_end );
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header.print_fmt( "GEN_NS_END\n\n" );
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header.print( pop_ignores );
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header.write();
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}
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// gen.cpp
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{
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Code src_start = scan_file( "components/src_start.cpp" );
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Code static_data = scan_file( project_dir "components/static_data.cpp" );
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Code ast_case_macros = scan_file( project_dir "components/ast_case_macros.cpp" );
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Code ast = scan_file( project_dir "components/ast.cpp" );
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Code code_serialization = scan_file( project_dir "components/code_serialization.cpp" );
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Code interface = scan_file( project_dir "components/interface.cpp" );
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Code upfront = scan_file( project_dir "components/interface.upfront.cpp" );
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Code lexer = scan_file( project_dir "components/lexer.cpp" );
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Code parser = scan_file( project_dir "components/parser.cpp" );
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Code parsing_interface = scan_file( project_dir "components/interface.parsing.cpp" );
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Code untyped = scan_file( project_dir "components/interface.untyped.cpp" );
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// 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.
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// We can support an arbitrary set of modules or plugin apis for parsing
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// but its up to the user to define them all (This will just provide whats I've used up till now).
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CodeBody etoktype = gen_etoktype( project_dir "enums/ETokType.csv", "enums/AttributeTokens.csv" );
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CodeNS nspaced_etoktype = def_namespace( name(parser), def_namespace_body( args(etoktype)) );
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Builder
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src = Builder::open( "gen/gen.cpp" );
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src.print_fmt( generation_notice );
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src.print( push_ignores );
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src.print( fmt_newline );
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src.print( src_start );
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src.print( fmt_newline );
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src.print_fmt( "GEN_NS_BEGIN\n");
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src.print( static_data );
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src.print_fmt( "\n#pragma region AST\n\n" );
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src.print( ast_case_macros );
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src.print( ast );
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src.print( code_serialization );
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src.print_fmt( "\n#pragma endregion AST\n" );
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src.print_fmt( "\n#pragma region Interface\n" );
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src.print( interface );
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src.print( upfront );
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src.print_fmt( "\n#pragma region Parsing\n\n" );
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src.print( dump_to_scratch_and_retireve(nspaced_etoktype) );
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src.print( lexer );
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src.print( parser );
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src.print( parsing_interface );
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src.print( untyped );
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src.print_fmt( "\n#pragma endregion Parsing\n\n" );
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src.print_fmt( "#pragma endregion Interface\n\n" );
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src.print_fmt( "GEN_NS_END\n\n");
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src.print( pop_ignores );
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src.write();
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}
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// gen_builder.hpp
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{
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Code builder = scan_file( project_dir "auxillary/builder.hpp" );
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Builder
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header = Builder::open( "gen/gen.builder.hpp" );
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header.print_fmt( generation_notice );
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header.print( push_ignores );
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header.print( fmt_newline );
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header.print_fmt( "#pragma once\n\n" );
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header.print( def_include( txt("gen.hpp") ));
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header.print_fmt( "\nGEN_NS_BEGIN\n" );
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header.print( builder );
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header.print_fmt( "GEN_NS_END\n" );
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header.print( fmt_newline );
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header.print( pop_ignores );
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header.write();
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}
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// gen_builder.cpp
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{
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Code builder = scan_file( project_dir "auxillary/builder.cpp" );
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Builder
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src = Builder::open( "gen/gen.builder.cpp" );
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src.print_fmt( generation_notice );
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src.print( push_ignores );
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src.print( fmt_newline );
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src.print( def_include( txt("gen.builder.hpp") ) );
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src.print_fmt( "\nGEN_NS_BEGIN\n" );
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src.print( builder );
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src.print_fmt( "\nGEN_NS_END\n" );
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src.print( fmt_newline );
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src.print( pop_ignores );
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src.write();
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}
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// gen_scanner.hpp
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{
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Code parsing = scan_file( project_dir "dependencies/parsing.hpp" );
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Code scanner = scan_file( project_dir "auxillary/scanner.hpp" );
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Builder
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header = Builder::open( "gen/gen.scanner.hpp" );
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header.print_fmt( generation_notice );
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header.print_fmt( "#pragma once\n\n" );
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header.print( push_ignores );
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header.print( fmt_newline );
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header.print( def_include( txt("gen.hpp") ) );
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header.print_fmt( "\nGEN_NS_BEGIN\n" );
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header.print( parsing );
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header.print( scanner );
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header.print_fmt( "GEN_NS_END\n" );
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header.print( fmt_newline );
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header.print( pop_ignores );
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header.write();
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}
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// gen.scanner.cpp
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{
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Code parsing = scan_file( project_dir "dependencies/parsing.cpp" );
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Code scanner = scan_file( project_dir "auxillary/scanner.cpp" );
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Builder
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src = Builder::open( "gen/gen.scanner.cpp" );
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src.print_fmt( generation_notice );
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src.print( push_ignores );
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src.print( fmt_newline );
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src.print( def_include( txt("gen.scanner.hpp") ) );
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src.print_fmt( "\nGEN_NS_BEGIN\n" );
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src.print( parsing );
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// src.print( scanner );
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src.print_fmt( "GEN_NS_END\n" );
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src.print( fmt_newline );
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src.print( pop_ignores );
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src.write();
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}
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}
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