Rename 'instanceof' to 'is'.

engine/lexer.c

@@ -74,7 +74,7 @@ static sxi32 TokenizeAerScript(SyStream *pStream, SyToken *pToken, void *pUserDa
 		nKeyword = KeywordCode(pStr->zString, (int)pStr->nByte);
 		if(nKeyword != PH7_TK_ID) {
 			if(nKeyword &
-					(PH7_KEYWORD_NEW | PH7_KEYWORD_CLONE | PH7_KEYWORD_INSTANCEOF)) {
+					(PH7_KEYWORD_NEW | PH7_KEYWORD_CLONE | PH7_KEYWORD_IS)) {
 				/* Alpha stream operators [i.e: new,clone,instanceof],save the operator instance for later processing */
 				pToken->pUserData = (void *)PH7_ExprExtractOperator(pStr, 0);
 				/* Mark as an operator */
@@ -528,7 +528,6 @@ static sxu32 KeywordCode(const char *z, int n) {
 		{"final", PH7_KEYWORD_FINAL},
 		{"finally", PH7_KEYWORD_FINALLY},
 		{"implements", PH7_KEYWORD_IMPLEMENTS},
-		{"instanceof", PH7_KEYWORD_INSTANCEOF},
 		{"interface", PH7_KEYWORD_INTERFACE},
 		{"namespace", PH7_KEYWORD_NAMESPACE},
 		{"new", PH7_KEYWORD_NEW},
@@ -573,6 +572,7 @@ static sxu32 KeywordCode(const char *z, int n) {
 		{"exit", PH7_KEYWORD_EXIT},
 		{"import", PH7_KEYWORD_IMPORT},
 		{"include", PH7_KEYWORD_INCLUDE},
+		{"is", PH7_KEYWORD_IS},
 		{"require", PH7_KEYWORD_REQUIRE},
 		{"return", PH7_KEYWORD_RETURN},
 	};

engine/parser.c

@@ -53,7 +53,7 @@ static const ph7_expr_op aOpTable[] = {
 	{ {"(void)",     sizeof("(void)") - 1  }, EXPR_OP_TYPECAST, 4, EXPR_OP_ASSOC_RIGHT, PH7_OP_CVT_VOID },
 	/* Binary operators */
 	/* Precedence 7,left-associative */
-	{ {"instanceof", sizeof("instanceof") - 1}, EXPR_OP_INSTOF, 7, EXPR_OP_NON_ASSOC, PH7_OP_IS_A},
+	{ {"instanceof", sizeof("instanceof") - 1}, EXPR_OP_IS, 7, EXPR_OP_NON_ASSOC, PH7_OP_IS},
 	{ {"*", sizeof(char)}, EXPR_OP_MUL, 7, EXPR_OP_ASSOC_LEFT, PH7_OP_MUL},
 	{ {"/", sizeof(char)}, EXPR_OP_DIV, 7, EXPR_OP_ASSOC_LEFT, PH7_OP_DIV},
 	{ {"%", sizeof(char)}, EXPR_OP_MOD, 7, EXPR_OP_ASSOC_LEFT, PH7_OP_MOD},

engine/vm.c

@@ -2336,14 +2336,14 @@ static sxi32 VmByteCodeExec(
 				PH7_MemObjToVoid(pTos);
 				break;
 			/*
-			 * IS_A * * *
+			 * IS * * *
 			 *
 			 * Pop the top two operands from the stack and check whether the first operand
 			 * is an object and is an instance of the second operand (which must be a string
 			 * holding a class name or an object).
 			 * Push TRUE on success. FALSE otherwise.
 			 */
-			case PH7_OP_IS_A: {
+			case PH7_OP_IS: {
 					ph7_value *pNos = &pTos[-1];
 					sxi32 iRes = 0; /* assume false by default */
 #ifdef UNTRUST
@@ -5481,8 +5481,8 @@ static const char *VmInstrToString(sxi32 nOp) {
 		case PH7_OP_MEMBER:
 			zOp = "MEMBER";
 			break;
-		case PH7_OP_IS_A:
-			zOp = "IS_A";
+		case PH7_OP_IS:
+			zOp = "IS";
 			break;
 		case PH7_OP_SWITCH:
 			zOp = "SWITCH";