Implement typecasting to callback data type.

2018-12-20 18:30:21 +01:00
parent 2949c8dcfb
commit f97e2a8294
3 changed files with 36 additions and 7 deletions
--- a/engine/vm.c
+++ b/engine/vm.c
@@ -2283,6 +2283,19 @@ static sxi32 VmByteCodeExec(
 					PH7_MemObjToObject(pTos);
 				}
 				break;
+			/*
+			 * CVT_CALL: * * *
+			 *
+			 * Force the top of the stack to be a callback
+			 */
+			case PH7_OP_CVT_CALL:
+#ifdef UNTRUST
+				if(pTos < pStack) {
+					goto Abort;
+				}
+#endif
+				PH7_MemObjToCallback(pTos);
+				break;
 			/*
 			 * CVT_VOID: * * *
 			 *