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wxCHECK macros slightly changed: wxCHECK( expr, rc ) now returns rc if

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expr is FALSE and wxCHECK_RET( expr ) must be used in void functions.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@119 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1998-06-22 21:47:38 +00:00
parent 5ebd1fb227
commit 1db08b2baf
1 changed files with 12 additions and 4 deletions
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16
include/wx/debug.h
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@ -82,11 +82,19 @@
*/ */
//@{ //@{
/// check that expression is true, "return" if not (also FAILs in debug mode) /// check that expression is true, "return" if not (also FAILs in debug mode)
#define wxCHECK(x) if (!(x)) {wxFAIL; return; } #define wxCHECK(x, rc) if (!(x)) {wxFAIL; return rc; }
/// check that expression is true, "return ret" if not /// as wxCHECK but with a message explaining why we fail
#define wxCHECK_RET(x, ret) if (!(x)) {wxFAIL; return ret; } #define wxCHECK_MSG(x, rc, msg) if (!(x)) {wxFAIL_MSG(msg); return rc; }
/// check that expression is true, perform op if not /// check that expression is true, perform op if not
#define wxCHECK2(x, op) if (!(x)) {wxFAIL; op; } #define wxCHECK2(x, op) if (!(x)) {wxFAIL; op; }
/// as wxCHECK2 but with a message explaining why we fail
#define wxCHECK2_MSG(x, op, msg) if (!(x)) {wxFAIL_MSG(msg); op; }
/// special form of wxCHECK2: as wxCHECK, but for use in void functions
// NB: there is only one form (with msg parameter) and it's intentional:
// there is no other way to tell the caller what exactly went wrong
// from the void function (of course, the function shouldn't be void
// to begin with...)
#define wxCHECK_RET(x, msg) if (!(x)) {wxFAIL_MSG(msg); return; }
//@} //@}
//@} //@}