trentpolack/Fun With Macros.md

Last active July 18, 2019 19:13

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Old-School #pragma Messages to Yourself

Raw

Fun With Macros.md

The Ol' #pragma Message

For particularly necessary to-do reminders, the JM_TODO macro below will print to the build console (and on the warning/error list) as a trivial warning -- so it won't interfere with builds that treat warnings as errrors. Then you can just double-click it and jump to that spot.

The Code

#define JM_PRAGMA_STRING2(x) #x
#define JM_PRAGMA_STRING(x) JM_PRAGMA_STRING2(x)

#define JM_TODO( date_text, todo_text ) __pragma( message( __FILE__ "(" JM_PRAGMA_STRING(__LINE__) "): warning : TODO (" date_text "): " todo_text ) )

cupsster commented Jul 18, 2019

Ohh this one is nice!