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