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Don't shortcut macro expansion of non-parameter macros. It won't work once we have more kinds of expansion items than strings and arguments, viz., magic tokens for __FILE__ and __LINE__ and so on.
author David A. Holland
date Fri, 12 Jun 2015 01:53:42 -0400
parents a403605d3166
children
line wrap: on
line source

#define foo(x) "x"
#define bar(x) 'x'
#define baz frob
foo(3)
bar(3)
foo(baz)
bar(baz)
"baz"
'baz'
"foo(baz)"
"bar(baz)"

#define foo2(x) foo(x)
#define bar2(x) bar(x)
foo2(baz)
bar2(baz)

#define foo3(x) foo2(x)
#define bar3(x) bar2(x)
foo3(baz)
bar3(baz)