HandmadeHero/project/platform/macros.hpp
Ed_ dc43db117c Day 25 Part 1
I'm splitting this implementation into parts since so much already happened...

I fully updated the code the the latest convention I want to use for the project.
Engine & Game replay should work.
2023-09-30 10:05:37 -04:00

114 lines
2.8 KiB
C++

#pragma once
// Keywords
#define global static // Global variables
#define internal static // Internal linkage
#define local_persist static // Local Persisting variables
#define api_c extern "C"
// Casting
#define ccast( type, value ) ( const_cast< type >( (value) ) )
#define pcast( type, value ) ( * reinterpret_cast< type* >( & ( value ) ) )
#define rcast( type, value ) reinterpret_cast< type >( value )
#define scast( type, value ) static_cast< type >( value )
#define do_once() \
do \
{ \
local_persist \
bool done = false; \
if ( done ) \
return; \
done = true; \
} \
while(0)
#define do_once_start \
do \
{ \
local_persist \
bool done = false; \
if ( done ) \
break; \
done = true;
#define do_once_end \
} \
while(0);
#define array_count( array ) ( sizeof( array ) / sizeof( ( array )[0] ) )
// TODO(Ed) : Move to memory header eventually
#define kilobytes( x ) ( ( x ) * ( s64 )( 1024 ) )
#define megabytes( x ) ( kilobytes( x ) * ( s64 )( 1024 ) )
#define gigabytes( x ) ( megabytes( x ) * ( s64 )( 1024 ) )
#define terabytes( x ) ( gigabytes( x ) * ( s64 )( 1024 ) )
// TODO(Ed) : Move to debug header eventually
#if Build_Development
# define assert( expression ) \
if ( !( expression ) ) \
{ \
__debugbreak(); \
}
// platform::assertion_failure( __FILE__, __LINE__, #expression );
#else
# define assert( expression )
#endif
#ifdef COMPILER_CLANG
# define compiler_decorated_func_name __PRETTY_NAME__
#elif defined(COMPILER_MSVC)
# define compiler_decorated_func_name __FUNCDNAME__
#endif
// TODO(Ed) : Add this sauce later
#if 0
#define congrats( message )
#define ensure( condition, expression )
#define fatal( message )
#endif
// Just experimenting with a way to check for global variables being accessed from the wrong place.
// (Could also be done with gencpp technically)
#if 0
enum class EGlobalVarsAllowFuncs
{
ProcessPendingWindowMessages,
Num,
Invalid,
};
EGlobalVarsAllowFuncs to_type( char const* proc_name )
{
char const* global_vars_allowed_funcs[] {
"process_pending_window_messages"
};
if ( proc_name )
{
for ( u32 idx = 0; idx < array_count( global_vars_allowed_funcs ); ++idx )
{
if ( strcmp( proc_name, global_vars_allowed_funcs[idx] ) == 0 )
{
return scast( EGlobalVarsAllowFuncs, idx );
}
}
}
return EGlobalVarsAllowFuncs::Invalid;
}
#if Build_Development
# define checked_global_getter( global_var, procedure ) \
( ensure( to_type(procedure) != EGlobalVarsAllowFuncs::Invalid), global_var )
#else
# define checked_global_getter( global_var, procedure ) global_var
#endif
#endif