-// check that expression is true, "return" if not (also FAILs in debug mode)
-#define wxCHECK(x, rc) if (!(x)) {wxFAIL; return rc; }
-
-// as wxCHECK but with a message explaining why we fail
-#define wxCHECK_MSG(x, rc, msg) if (!(x)) {wxFAIL_MSG(msg); return rc; }
-
-// check that expression is true, perform op if not
-#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; }
-
-// ----------------------------------------------------------------------------
-// Compile time asserts
-//
-// Unlike the normal assert and related macros above which are checked during
-// the program tun-time the macros below will result in a compilation error if
-// the condition they check is false. This is usually used to check the
-// expressions containing sizeof()s which cannot be tested with the
-// preprocessor. If you can use the #if's, do use them as you can give a more
-// detailed error message then.
-// ----------------------------------------------------------------------------
+/* check that expression is true, "return" if not (also FAILs in debug mode) */
+#define wxCHECK(cond, rc) wxCHECK_MSG(cond, rc, (const char*)NULL)
+
+/* as wxCHECK but with a message explaining why we fail */
+#define wxCHECK_MSG(cond, rc, msg) wxCHECK2_MSG(cond, return rc, msg)
+
+/* check that expression is true, perform op if not */
+#define wxCHECK2(cond, op) wxCHECK2_MSG(cond, op, (const char*)NULL)
+
+/* as wxCHECK2 but with a message explaining why we fail */
+
+#define wxCHECK2_MSG(cond, op, msg) \
+ if ( cond ) \
+ {} \
+ else \
+ { \
+ wxFAIL_COND_MSG(#cond, msg); \
+ op; \
+ } \
+ struct wxDummyCheckStruct /* just to force a semicolon */
+
+/* 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(cond, msg) wxCHECK2_MSG(cond, return, msg)
+
+/* ---------------------------------------------------------------------------- */
+/* Compile time asserts */
+/* */
+/* Unlike the normal assert and related macros above which are checked during */
+/* the program tun-time the macros below will result in a compilation error if */
+/* the condition they check is false. This is usually used to check the */
+/* expressions containing sizeof()s which cannot be tested with the */
+/* preprocessor. If you can use the #if's, do use them as you can give a more */
+/* detailed error message then. */
+/* ---------------------------------------------------------------------------- */
projects / wxWidgets.git / blobdiff