[[ Foundation ]] Add MCErrorReset function

runrevmark · runrevmark · commit 3722624c0843 · 2017-02-21T08:59:03.000Z
This patch adds an MCErrorReset function which clears and
discards any error state on the current thread.
diff --git a/libfoundation/include/foundation.h b/libfoundation/include/foundation.h
@@ -2904,12 +2904,18 @@ MC_DLLEXPORT bool MCErrorThrow(MCErrorRef error);
 // Catch the current error code (on the current thread) if any and clear it.
 MC_DLLEXPORT bool MCErrorCatch(MCErrorRef& r_error);
 
+// Resets the error state on the current thread. This call is equivalent to:
+//     MCAutoErrorRef t_error;
+//     MCErrorCatach(&t_error);
+MC_DLLEXPORT void MCErrorReset(void);
+
 // Returns true if there is an error pending on the current thread.
 MC_DLLEXPORT bool MCErrorIsPending(void);
 
 // Returns any pending error (on the current thread) without clearing it.
 MC_DLLEXPORT MCErrorRef MCErrorPeek(void);
 
+
 // Throw an out of memory error.
 MC_DLLEXPORT bool MCErrorThrowOutOfMemory(void);
     
diff --git a/libfoundation/src/foundation-error.cpp b/libfoundation/src/foundation-error.cpp
@@ -408,6 +408,13 @@ bool MCErrorCatch(MCErrorRef& r_error)
     return true;
 }
 
+MC_DLLEXPORT_DEF
+void MCErrorReset(void)
+{
+    MCAutoErrorRef t_error;
+    MCErrorCatch(&t_error);
+}
+
 MC_DLLEXPORT_DEF
 MCErrorRef MCErrorPeek(void)
 {

Original file line number	Diff line number	Diff line change
`@@ -408,6 +408,13 @@ bool MCErrorCatch(MCErrorRef& r_error)`
`408`	`408`	`return true;`
`409`	`409`	`}`
`410`	`410`
	`411`	`+MC_DLLEXPORT_DEF`
	`412`	`+void MCErrorReset(void)`
	`413`	`+{`
	`414`	`+ MCAutoErrorRef t_error;`
	`415`	`+ MCErrorCatch(&t_error);`
	`416`	`+}`
	`417`	`+`
`411`	`418`	`MC_DLLEXPORT_DEF`
`412`	`419`	`MCErrorRef MCErrorPeek(void)`
`413`	`420`	`{`