mirror of
https://github.com/Ed94/gencpp.git
synced 2024-12-22 15:54:45 -08:00
314 lines
8.5 KiB
C++
314 lines
8.5 KiB
C++
#ifdef GEN_INTELLISENSE_DIRECTIVES
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# pragma once
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# include "platform.hpp"
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#endif
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#pragma region Macros
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#if GEN_COMPILER_MSVC
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#ifdef GEN_DYN_LINK
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#ifdef GEN_DYN_EXPORT
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#define GEN_API __declspec(dllexport)
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#else
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#define GEN_API __declspec(dllimport)
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#endif
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#else
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#define GEN_API // Empty for static builds
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#endif
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#else
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#ifdef GEN_DYN_LINK
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#define GEN_API __attribute__((visibility("default")))
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#else
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#define GEN_API // Empty for static builds
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#endif
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#endif
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#ifndef global
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#define global static // Global variables
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#endif
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#ifndef internal
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#define internal static // Internal linkage
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#endif
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#ifndef local_persist
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#define local_persist static // Local Persisting variables
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#endif
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#ifndef bit
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#define bit( Value ) ( 1 << Value )
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#define bitfield_is_set( Type, Field, Mask ) ( (scast(Type, Mask) & scast(Type, Field)) == scast(Type, Mask) )
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#endif
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// Mainly intended for forcing the base library to utilize only C-valid constructs or type coercion
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#ifndef GEN_C_LIKE_CPP
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#define GEN_C_LIKE_CPP 0
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#endif
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#if GEN_COMPILER_CPP
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# ifndef cast
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# define cast( type, value ) (tmpl_cast<type>( value ))
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# endif
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#else
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# ifndef cast
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# define cast( type, value ) ( (type)(value) )
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# endif
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#endif
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#if GEN_COMPILER_CPP
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# ifndef ccast
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# define ccast( type, value ) ( const_cast< type >( (value) ) )
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# endif
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# ifndef pcast
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# define pcast( type, value ) ( * reinterpret_cast< type* >( & ( value ) ) )
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# endif
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# ifndef rcast
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# define rcast( type, value ) reinterpret_cast< type >( value )
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# endif
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# ifndef scast
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# define scast( type, value ) static_cast< type >( value )
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# endif
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#else
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# ifndef ccast
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# define ccast( type, value ) ( (type)(value) )
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# endif
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# ifndef pcast
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# define pcast( type, value ) ( * (type*)(& value) )
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# endif
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# ifndef rcast
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# define rcast( type, value ) ( (type)(value) )
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# endif
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# ifndef scast
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# define scast( type, value ) ( (type)(value) )
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# endif
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#endif
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#ifndef stringize
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#define stringize_va( ... ) #__VA_ARGS__
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#define stringize( ... ) stringize_va( __VA_ARGS__ )
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#endif
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#define src_line_str stringize(__LINE__)
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#ifndef do_once
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#define do_once() \
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static int __do_once_counter_##src_line_str = 0; \
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for(; __do_once_counter_##src_line_str != 1; __do_once_counter_##src_line_str = 1 ) \
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#define do_once_defer( expression ) \
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static int __do_once_counter_##src_line_str = 0; \
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for(; __do_once_counter_##src_line_str != 1; __do_once_counter_##src_line_str = 1, (expression)) \
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#define do_once_start \
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do \
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{ \
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local_persist \
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bool done = false; \
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if ( done ) \
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break; \
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done = true;
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#define do_once_end \
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} \
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while(0);
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#endif
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#ifndef labeled_scope_start
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#define labeled_scope_start if ( false ) {
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#define labeled_scope_end }
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#endif
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#ifndef compiler_decorated_func_name
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# ifdef COMPILER_CLANG
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# define compiler_decorated_func_name __PRETTY_NAME__
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# elif defined(COMPILER_MSVC)
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# define compiler_decorated_func_name __FUNCDNAME__
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# endif
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#endif
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#ifndef num_args_impl
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// This is essentially an arg couneter version of GEN_SELECT_ARG macros
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// See section : _Generic function overloading for that usage (explains this heavier case)
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#define num_args_impl( _0, \
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_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \
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_11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \
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_21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \
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_31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \
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_41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \
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_51, _52, _53, _54, _55, _56, _57, _58, _59, _60, \
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_61, _62, _63, _64, _65, _66, _67, _68, _69, _70, \
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_71, _72, _73, _74, _75, _76, _77, _78, _79, _80, \
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_81, _82, _83, _84, _85, _86, _87, _88, _89, _90, \
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_91, _92, _93, _94, _95, _96, _97, _98, _99, _100, \
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N, ... \
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) N
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// ## deletes preceding comma if _VA_ARGS__ is empty (GCC, Clang)
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#define num_args(...) \
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num_args_impl(_, ## __VA_ARGS__, \
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100, 99, 98, 97, 96, 95, 94, 93, 92, 91, \
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90, 89, 88, 87, 86, 85, 84, 83, 82, 81, \
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80, 79, 78, 77, 76, 75, 74, 73, 72, 71, \
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70, 69, 68, 67, 66, 65, 64, 63, 62, 61, \
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60, 59, 58, 57, 56, 55, 54, 53, 52, 51, \
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50, 49, 48, 47, 46, 45, 44, 43, 42, 41, \
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40, 39, 38, 37, 36, 35, 34, 33, 32, 31, \
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30, 29, 28, 27, 26, 25, 24, 23, 22, 21, \
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20, 19, 18, 17, 16, 15, 14, 13, 12, 11, \
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10, 9, 8, 7, 6, 5, 4, 3, 2, 1, \
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0 \
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)
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#endif
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#ifndef clamp
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#define clamp( x, lower, upper ) min( max( ( x ), ( lower ) ), ( upper ) )
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#endif
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#ifndef count_of
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#define count_of( x ) ( ( size_of( x ) / size_of( 0 [ x ] ) ) / ( ( ssize )( ! ( size_of( x ) % size_of( 0 [ x ] ) ) ) ) )
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#endif
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#ifndef is_between
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#define is_between( x, lower, upper ) ( ( ( lower ) <= ( x ) ) && ( ( x ) <= ( upper ) ) )
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#endif
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#ifndef size_of
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#define size_of( x ) ( ssize )( sizeof( x ) )
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#endif
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#ifndef max
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#define max( a, b ) ( (a > b) ? (a) : (b) )
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#endif
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#ifndef min
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#define min( a, b ) ( (a < b) ? (a) : (b) )
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#endif
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#if GEN_COMPILER_MSVC || GEN_COMPILER_TINYC
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# define offset_of( Type, element ) ( ( GEN_NS( ssize ) ) & ( ( ( Type* )0 )->element ) )
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#else
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# define offset_of( Type, element ) __builtin_offsetof( Type, element )
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#endif
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#ifndef forceinline
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# if GEN_COMPILER_MSVC
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# define forceinline __forceinline
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# define neverinline __declspec( noinline )
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# elif GEN_COMPILER_GCC
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# define forceinline inline __attribute__((__always_inline__))
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# define neverinline __attribute__( ( __noinline__ ) )
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# elif GEN_COMPILER_CLANG
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# if __has_attribute(__always_inline__)
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# define forceinline inline __attribute__((__always_inline__))
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# define neverinline __attribute__( ( __noinline__ ) )
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# else
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# define forceinline
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# define neverinline
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# endif
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# else
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# define forceinline
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# define neverinline
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# endif
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#endif
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#ifndef neverinline
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# if GEN_COMPILER_MSVC
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# define neverinline __declspec( noinline )
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# elif GEN_COMPILER_GCC
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# define neverinline __attribute__( ( __noinline__ ) )
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# elif GEN_COMPILER_CLANG
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# if __has_attribute(__always_inline__)
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# define neverinline __attribute__( ( __noinline__ ) )
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# else
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# define neverinline
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# endif
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# else
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# define neverinline
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# endif
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#endif
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#if GEN_COMPILER_C
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#ifndef static_assert
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#undef static_assert
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#if GEN_COMPILER_C && __STDC_VERSION__ >= 201112L
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#define static_assert(condition, message) _Static_assert(condition, message)
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#else
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#define static_assert(condition, message) typedef char static_assertion_##__LINE__[(condition)?1:-1]
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#endif
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#endif
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#endif
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#if GEN_COMPILER_CPP
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// Already Defined
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#elif GEN_COMPILER_C && __STDC_VERSION__ >= 201112L
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# define thread_local _Thread_local
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#elif GEN_COMPILER_MSVC
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# define thread_local __declspec(thread)
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#elif GEN_COMPILER_CLANG
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# define thread_local __thread
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#else
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# error "No thread local support"
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#endif
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#if ! defined(typeof) && (!GEN_COMPILER_C || __STDC_VERSION__ < 202311L)
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# if ! GEN_COMPILER_C
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# define typeof decltype
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# elif defined(_MSC_VER)
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# define typeof __typeof__
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# elif defined(__GNUC__) || defined(__clang__)
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# define typeof __typeof__
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# else
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# error "Compiler not supported"
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# endif
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#endif
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#ifndef GEN_API_C_BEGIN
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# if GEN_COMPILER_C
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# define GEN_API_C_BEGIN
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# define GEN_API_C_END
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# else
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# define GEN_API_C_BEGIN extern "C" {
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# define GEN_API_C_END }
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# endif
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#endif
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#if GEN_COMPILER_C
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# if __STDC_VERSION__ >= 202311L
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# define enum_underlying(type) : type
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# else
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# define enum_underlying(type)
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# endif
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#else
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# define enum_underlying(type) : type
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#endif
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#if GEN_COMPILER_C
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# ifndef nullptr
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# define nullptr NULL
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# endif
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# ifndef GEN_REMOVE_PTR
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# define GEN_REMOVE_PTR(type) typeof(* ( (type) NULL) )
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# endif
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#endif
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#if ! defined(GEN_PARAM_DEFAULT) && GEN_COMPILER_CPP
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# define GEN_PARAM_DEFAULT = {}
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#else
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# define GEN_PARAM_DEFAULT
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#endif
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#if GEN_COMPILER_CPP
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#define struct_init(type, value) {value}
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#else
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#define struct_init(type, value) {value}
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#endif
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#if 0
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#ifndef GEN_OPTIMIZE_MAPPINGS_BEGIN
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# define GEN_OPTIMIZE_MAPPINGS_BEGIN _pragma(optimize("gt", on))
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# define GEN_OPITMIZE_MAPPINGS_END _pragma(optimize("", on))
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#endif
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#else
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# define GEN_OPTIMIZE_MAPPINGS_BEGIN
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# define GEN_OPITMIZE_MAPPINGS_END
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#endif
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#pragma endregion Macros
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