1 files changed, 43 insertions, 0 deletions
diff --git a/source/blender/bmesh/bmesh_error.h b/source/blender/bmesh/bmesh_error.h
new file mode 100644
index 00000000000..3482402b45b
--- /dev/null
+++ b/source/blender/bmesh/bmesh_error.h
@@ -0,0 +1,43 @@
+#ifndef _BMESH_ERROR_H
+#define _BMESH_ERROR_H
+
+/*----------- bmop error system ----------*/
+
+/*pushes an error onto the bmesh error stack.
+  if msg is null, then the default message for the errorcode is used.*/
+void BMO_RaiseError(BMesh *bm, BMOperator *owner, int errcode, const char *msg);
+
+/*gets the topmost error from the stack.
+  returns error code or 0 if no error.*/
+int BMO_GetError(BMesh *bm, const char **msg, BMOperator **op);
+int BMO_HasError(BMesh *bm);
+
+/*same as geterror, only pops the error off the stack as well*/
+int BMO_PopError(BMesh *bm, const char **msg, BMOperator **op);
+void BMO_ClearStack(BMesh *bm);
+
+#if 0
+//this is meant for handling errors, like self-intersection test failures.
+//it's dangerous to handle errors in general though, so disabled for now.
+
+/*catches an error raised by the op pointed to by catchop.
+  errorcode is either the errorcode, or BMERR_ALL for any 
+  error.*/
+int BMO_CatchOpError(BMesh *bm, BMOperator *catchop, int errorcode, char **msg);
+#endif
+
+/*------ error code defines -------*/
+
+/*error messages*/
+#define BMERR_SELF_INTERSECTING			1
+#define BMERR_DISSOLVEDISK_FAILED		2
+#define BMERR_CONNECTVERT_FAILED		3
+#define BMERR_WALKER_FAILED				4
+#define BMERR_DISSOLVEFACES_FAILED		5
+#define BMERR_DISSOLVEVERTS_FAILED		6
+#define BMERR_TESSELATION				7
+#define BMERR_NONMANIFOLD				8
+#define BMERR_INVALID_SELECTION			9
+#define BMERR_MESH_ERROR				10
+
+#endif /* _BMESH_ERROR_H */