mirror of
https://github.com/Ed94/HandmadeHero.git
synced 2024-09-20 11:47:34 -07:00
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
#include "platform/compiler_ignores.hpp"
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#if GEN_TIME
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#define GEN_DEFINE_LIBRARY_CODE_CONSTANTS
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#define GEN_IMPLEMENTATION
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#define GEN_BENCHMARK
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#define GEN_ENFORCE_STRONG_CODE_TYPES
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#include "dependencies/gen.hpp"
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#undef ccast
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#undef pcast
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#undef do_once
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#undef do_once_start
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#undef do_once_end
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using namespace gen;
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#include "engine/engine_to_platform_api.hpp"
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constexpr StrC fname_handmade_engine_symbols = txt("handmade_engine.symbols");
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String get_symbol_from_module_table( FileContents symbol_table, u32 symbol_ID )
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{
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struct Token
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{
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char const* Ptr;
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u32 Len;
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};
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Token tokens[256] = {};
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char const* scanner = rcast( char const*, symbol_table.data );
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u32 left = symbol_table.size;
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u32 line = 0;
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while ( left )
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{
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if ( *scanner == '\n' || *scanner == '\r' )
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{
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++ scanner;
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-- left;
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}
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else
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{
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tokens[line].Ptr = scanner;
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while ( left && *scanner != '\r' && *scanner != '\n' )
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{
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-- left;
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++ scanner;
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++ tokens[line].Len;
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}
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if ( line == symbol_ID )
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{
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String result = String::make_length( GlobalAllocator, tokens[line].Ptr, tokens[line].Len );
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return result;
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}
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++ line;
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}
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}
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return {};
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}
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int gen_main()
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{
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gen::init();
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log_fmt("Generating code for Handmade Hero: Engine Module\n");
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FileContents symbol_table = file_read_contents( GlobalAllocator, true, fname_handmade_engine_symbols );
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#pragma push_macro("str_ascii")
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#undef str_ascii
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Builder builder = Builder::open( "engine_symbol_table.hpp" );
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builder.print( pragma_once );
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builder.print( def_include( txt("engine/engine.hpp") ) );
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builder.print( fmt_newline );
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builder.print_fmt( "NS_ENGINE_BEGIN\n\n" );
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StrC symbol_on_module_load = get_symbol_from_module_table( symbol_table, engine::ModuleAPI::Sym_OnModuleReload );
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StrC symbol_startup = get_symbol_from_module_table( symbol_table, engine::ModuleAPI::Sym_Startup );
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StrC symbol_shutdown = get_symbol_from_module_table( symbol_table, engine::ModuleAPI::Sym_Shutdown );
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StrC symbol_update_and_render = get_symbol_from_module_table( symbol_table, engine::ModuleAPI::Sym_UpdateAndRender );
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StrC symbol_update_audio = get_symbol_from_module_table( symbol_table, engine::ModuleAPI::Sym_UpdateAudio );
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builder.print( parse_variable( token_fmt( "symbol", symbol_on_module_load, stringize(
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constexpr const Str symbol_on_module_load = str_ascii("<symbol>");
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))));
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builder.print( parse_variable( token_fmt( "symbol", symbol_startup, stringize(
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constexpr const Str symbol_startup = str_ascii("<symbol>");
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))));
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builder.print( parse_variable( token_fmt( "symbol", symbol_shutdown, stringize(
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constexpr const Str symbol_shutdown = str_ascii("<symbol>");
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))));
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builder.print( parse_variable( token_fmt( "symbol", symbol_update_and_render, stringize(
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constexpr const Str symbol_update_and_render = str_ascii("<symbol>");
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))));
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builder.print( parse_variable( token_fmt( "symbol", symbol_update_audio, stringize(
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constexpr const Str symbol_update_audio = str_ascii("<symbol>");
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))));
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builder.print_fmt( "\nNS_ENGINE_END" );
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builder.print( fmt_newline );
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builder.write();
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#pragma pop_macro("str_ascii")
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log_fmt("Generaton finished for Handmade Hero: Engine Module\n");
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// gen::deinit();
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return 0;
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}
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#endif
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