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d91d3c6b6f
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177820cd6e
@ -50,7 +50,6 @@ struct Context
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// LoggerCallaback* log_callback; // TODO(Ed): Impl user logger callback as an option.
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// Initalization config
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u32 Max_CommentLineLength; // Used by def_comment
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u32 Max_StrCacheLength; // Any cached string longer than this is always allocated again.
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@ -54,13 +54,11 @@ A simple `<container>_DefinitionCounter` is used to know how many instantiations
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## Macro Usage
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For the most part macros are kept minimal with exception to `_Generic`...
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*(I will be explaining this thing for the rest of this seciton along with gencpp c library's usage of it)*
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The `_Generic` macro plays a key role in reducing direct need of the user to wrangle with mangled definition identifiers of 'templated' containers or for type coercion to map distinct data types to a common code path.
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Many C11 libraries don't use it.. and, of those that do. they usually end up obfuscate it with excessive preprocessor abuse; Effort was put into minimizing how much of these macros are handled by the preprocessor vs gencpp itself.
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*(I will be explaining this thing for the rest of this seciton along with gencpp c library's usage of it)*
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Because of its lack of use in many C11 libraries.. and, of those that do; they usually end up obfuscate it with excessive preprocessor abuse; Effort was put into minimizing how much of these macros are handled by the preprocessor vs gencpp itself.
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The usual presentation (done bare) is the following:
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@ -97,7 +95,7 @@ For this library's purposes we'll be using the functional macro equivalent *(if
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```c
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#define macro_that_uses_selector_arg_for_resolving_a_fucntion( selecting_exp) \
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_Generic( (selecting_exp), \
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_Generic( (arg), \
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int : func_use_int, \
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double : func_use_double, \
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struct Whatnot : func_use_Whatnot, \
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@ -1256,6 +1256,63 @@ R"(#define <interface_name>( code ) _Generic( (code), \
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break;
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}
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CodeBody parsed_header_builder = parse_file( path_base "auxiliary/builder.hpp" );
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CodeBody header_builder = def_body(CT_Global_Body);
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for ( Code entry = parsed_header_builder.begin(); entry != parsed_header_builder.end(); ++ entry ) switch( entry->Type )
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{
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case CT_Preprocess_IfDef:
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{
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b32 found = ignore_preprocess_cond_block(txt("GEN_INTELLISENSE_DIRECTIVES"), entry, parsed_header_builder, header_builder );
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if (found) break;
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header_builder.append(entry);
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}
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break;
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case CT_Preprocess_If:
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{
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b32 found = ignore_preprocess_cond_block(txt("GEN_COMPILER_CPP"), entry, parsed_header_builder, header_builder );
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if (found) break;
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found = ignore_preprocess_cond_block(txt("GEN_COMPILER_CPP && ! GEN_C_LIKE_CPP"), entry, parsed_header_builder, header_builder );
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if (found) break;
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header_builder.append(entry);
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}
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break;
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case CT_Struct:
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{
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CodeBody body = cast(CodeBody, entry->Body);
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CodeBody new_body = def_body(CT_Struct_Body);
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for ( Code body_entry = body.begin(); body_entry != body.end(); ++ body_entry ) switch(body_entry->Type)
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{
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case CT_Preprocess_If:
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{
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b32 found = ignore_preprocess_cond_block(txt("GEN_COMPILER_CPP && ! GEN_C_LIKE_CPP"), body_entry, body, new_body );
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if (found) break;
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new_body.append(body_entry);
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}
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break;
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default:
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new_body.append(body_entry);
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break;
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}
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if ( new_body->NumEntries > 0 ) {
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entry->Body = new_body;
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}
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header_builder.append(entry);
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}
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break;
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default:
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header_builder.append(entry);
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break;
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}
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s32 idx = 0;
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CodeBody parsed_header_end = parse_file( path_base "components/header_end.hpp" );
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CodeBody header_end = def_body(CT_Global_Body);
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@ -1294,111 +1351,6 @@ R"(#define <interface_name>( code ) _Generic( (code), \
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}
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#pragma endregion Resolve Components
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#pragma region Resolve Aux
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CodeDefine gsel_builder_print = NullCode;
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CodeBody parsed_header_builder = parse_file( path_base "auxiliary/builder.hpp" );
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CodeBody header_builder = def_body(CT_Global_Body);
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for ( Code entry = parsed_header_builder.begin(); entry != parsed_header_builder.end(); ++ entry ) switch( entry->Type )
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{
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case CT_Preprocess_IfDef:
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{
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b32 found = ignore_preprocess_cond_block(txt("GEN_INTELLISENSE_DIRECTIVES"), entry, parsed_header_builder, header_builder );
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if (found) break;
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header_builder.append(entry);
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}
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break;
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case CT_Preprocess_If:
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{
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b32 found = ignore_preprocess_cond_block(txt("GEN_COMPILER_CPP"), entry, parsed_header_builder, header_builder );
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if (found) break;
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found = ignore_preprocess_cond_block(txt("GEN_COMPILER_CPP && ! GEN_C_LIKE_CPP"), entry, parsed_header_builder, header_builder );
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if (found) break;
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header_builder.append(entry);
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}
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break;
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case CT_Function_Fwd:
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{
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CodeFn fn = cast(CodeFn, entry);
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if (! fn->Name.is_equal(txt("builder_print")) ) {
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header_builder.append(fn);
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continue;
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}
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fn->Name = cache_str(txt("builder__print"));
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StrBuilder generic_selector = StrBuilder::make(_ctx->Allocator_Temp,
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"#define builder_print(builder, code) _Generic( (code), \\\n"
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);
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// Append slots
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for(Str type : code_typenames ) {
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generic_selector.append_fmt("%S : %S,\\\n", type, fn->Name );
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}
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generic_selector.append(txt("default: gen_generic_selection_fail \\\n"));
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generic_selector.append(txt("\t)\tGEN_RESOLVED_FUNCTION_CALL( builder, (Code)code )"));
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// We need to register this as an identifier macro now sot that parsing the source wont break.
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register_macro({ txt("builder_print"), MT_Statement, MF_Functional | MF_Allow_As_Identifier });
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// We'll be adding this selector after builder_print_fmt
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gsel_builder_print = parse_define(generic_selector);
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header_builder.append(fn);
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}
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break;
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case CT_Function:
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{
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CodeFn fn = cast(CodeFn, entry);
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if ( fn->Name.is_equal(txt("builder_print_fmt")) ) {
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header_builder.append(fn);
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// Add the selector right after
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header_builder.append(fmt_newline);
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header_builder.append(gsel_builder_print);
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}
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}
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break;
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case CT_Struct:
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{
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CodeBody body = cast(CodeBody, entry->Body);
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CodeBody new_body = def_body(CT_Struct_Body);
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for ( Code body_entry = body.begin(); body_entry != body.end(); ++ body_entry ) switch(body_entry->Type)
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{
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case CT_Preprocess_If:
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{
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b32 found = ignore_preprocess_cond_block(txt("GEN_COMPILER_CPP && ! GEN_C_LIKE_CPP"), body_entry, body, new_body );
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if (found) break;
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new_body.append(body_entry);
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}
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break;
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default:
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new_body.append(body_entry);
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break;
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}
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if ( new_body->NumEntries > 0 ) {
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entry->Body = new_body;
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}
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header_builder.append(entry);
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}
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break;
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default:
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header_builder.append(entry);
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break;
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}
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#pragma endregion Aux
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// Source Content : Reflection and Generation
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#pragma region Resolve Dependencies
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@ -1607,26 +1559,6 @@ R"(#define <interface_name>( code ) _Generic( (code), \
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}
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#pragma endregion Resolve Components
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#pragma region Resolve Aux
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CodeBody parsed_src_builder = parse_file( path_base "auxiliary/builder.cpp" );
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CodeBody src_builder = def_body(CT_Global_Body);
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for ( Code entry = parsed_src_builder.begin(); entry != parsed_src_builder.end(); ++ entry ) switch( entry->Type )
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{
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case CT_Function:
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{
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if (entry->Name.is_equal(txt("builder_print"))) {
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entry->Name = cache_str(txt("builder__print"));
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}
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src_builder.append(entry);
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}
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break;
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default:
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src_builder.append(entry);
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break;
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}
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#pragma endregion ResolveAux
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// THERE SHOULD BE NO NEW GENERIC CONTAINER DEFINITIONS PAST THIS POINT (It will not have slots for the generic selection generated macros)
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CodeBody containers = def_body(CT_Global_Body);
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{
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@ -1712,7 +1644,7 @@ R"(#define <interface_name>( code ) _Generic( (code), \
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CodeBody etoktype = gen_etoktype( path_base "enums/ETokType.csv", path_base "enums/AttributeTokens.csv", helper_use_c_definition );
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Code rf_etoktype = refactor_and_format(etoktype);
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Code rf_src_builder = refactor_and_format( src_builder );
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Code rf_src_builder = refactor_and_format( scan_file( path_base "auxiliary/builder.cpp" ));
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Code rf_src_scanner = refactor_and_format( scan_file( path_base "auxiliary/scanner.cpp" ));
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#pragma endregion Refactored / Formatted
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@ -326,7 +326,7 @@ if ( $unreal )
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}
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# C Library testing
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if ( $test -and $true )
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if ( $test -and $false )
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{
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$path_test_c = join-path $path_test c_library
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$path_build = join-path $path_test_c build
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@ -368,7 +368,7 @@ if ( $test -and $true )
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Pop-Location
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}
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if ( $test -and $false )
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if ( $test -and $true )
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{
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$path_test_c = join-path $path_test c_library
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$path_build = join-path $path_test_c build
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@ -1,90 +0,0 @@
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# Basic indentation settings
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indent_columns = 4
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indent_with_tabs = 1
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indent_case_brace = 0
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indent_switch_case = 4
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indent_col1_comment = true
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indent_namespace = true
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indent_class = true
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indent_extern = true
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# Alignment settings
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align_assign_span = 1
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align_assign_thresh = 0
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align_enum_equ_span = 1
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align_var_def_span = 1
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align_var_def_thresh = 0
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align_var_def_inline = true
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align_right_cmt_span = 1
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align_pp_define_span = 1
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align_typedef_span = 1
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align_typedef_gap = 0
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# Spacing settings
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sp_before_square = remove
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sp_inside_square = remove
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sp_after_comma = force
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sp_before_comma = remove
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sp_after_cast = remove
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sp_inside_paren = remove
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sp_inside_fparen = remove
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sp_inside_sparen = remove
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sp_before_sparen = force
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sp_after_operator = remove
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sp_after_operator_sym = remove
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sp_after_ptr_star = remove
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sp_before_ptr_star = force
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sp_between_ptr_star = remove
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# Code style settings
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mod_full_brace_do = force
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mod_full_brace_for = force
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mod_full_brace_if = force
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mod_full_brace_while = force
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mod_paren_on_return = remove
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mod_full_brace_nl = 1
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mod_remove_extra_semicolon = true
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# Line breaking
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nl_after_brace_open = true
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nl_after_brace_close = true
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nl_after_return = true
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nl_before_case = true
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nl_fcall_brace = force
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nl_enum_brace = force
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nl_struct_brace = force
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nl_union_brace = force
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nl_if_brace = force
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nl_brace_else = force
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nl_elseif_brace = force
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nl_else_brace = force
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nl_else_if = remove
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nl_while_brace = force
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nl_do_brace = force
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nl_for_brace = force
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nl_max = 4
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nl_after_func_proto = 2
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nl_after_func_body = 2
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# Template settings
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sp_inside_angle = remove
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sp_after_angle = force
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sp_angle_paren = remove
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sp_angle_word = force
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# Other settings
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cmt_indent_multi = true
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cmt_c_group = false
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cmt_cpp_group = false
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indent_func_call_param = true
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indent_func_def_param = true
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indent_func_proto_param = true
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indent_template_param = true
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indent_relative_single_line_comments = true
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# Preprocessor settings
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pp_indent = remove
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pp_space = remove
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# Column limit
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code_width = 160
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@ -1,7 +1,3 @@
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#if GEN_INTELLISENSE_DIRECTIVES
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#include "../../gen_c_library/gen/gen_singleheader.h"
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#endif
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#define GEN_IMPLEMENTATION
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#define GEN_DEFINE_LIBRARY_CODE_CONSTANTS
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#include "gen_singleheader.h"
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@ -20,7 +16,7 @@ int main()
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gen_CodeVar hello_var = gen_parse_variable(code(
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char const* hello_gencpp_str = "HELLO GENCPP C11 !";
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));
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gen_builder_print( & src_hello, hello_var );
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gen_builder_print( & src_hello, (gen_Code)hello_var );
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gen_builder_write(& src_hello);
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gen_CodeBody body = gen_parse_file("gen/hello.c");
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