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Implement #if and friends.
authorCarl Worth <cworth@cworth.org>
Wed, 26 May 2010 16:32:57 +0000 (09:32 -0700)
committerCarl Worth <cworth@cworth.org>
Wed, 26 May 2010 16:33:23 +0000 (09:33 -0700)
commitf6914fd37b2b66d7be1ba0c31450d89d1785ccce
treefa6636662a63e2675a5173e772ac253016fa8fe8
parent8fed1cddae8b024972d0c08f120bfd0292cb9cca
Implement #if and friends.

With this change, tests 41 through 49 all pass. (The defined operator
appears to be somehow broken so that test 50 doesn't pass yet.)
glcpp.h
tests/049-if-expression-precedence.c
tests/050-if-defined.c
tests/glcpp-test