Revert "Zend/zend_type_code.h: convert to enum"

This reverts commit b98f18e.

Author: dstogov

Zend/zend_type_code.h

@@ -17,40 +17,38 @@
 #ifndef ZEND_TYPE_CODE_H
 #define ZEND_TYPE_CODE_H
 
-enum {
-	/* Regular data types: Must be in sync with zend_variables.c. */
-	IS_UNDEF = 0,
-	IS_NULL = 1,
-	IS_FALSE = 2,
-	IS_TRUE = 3,
-	IS_LONG = 4,
-	IS_DOUBLE = 5,
-	IS_STRING = 6,
-	IS_ARRAY = 7,
-	IS_OBJECT = 8,
-	IS_RESOURCE = 9,
-	IS_REFERENCE = 10,
-	IS_CONSTANT_AST = 11, /* Constant expressions */
+/* Regular data types: Must be in sync with zend_variables.c. */
+#define IS_UNDEF					0
+#define IS_NULL						1
+#define IS_FALSE					2
+#define IS_TRUE						3
+#define IS_LONG						4
+#define IS_DOUBLE					5
+#define IS_STRING					6
+#define IS_ARRAY					7
+#define IS_OBJECT					8
+#define IS_RESOURCE					9
+#define IS_REFERENCE				10
+#define IS_CONSTANT_AST				11 /* Constant expressions */
 
-	/* Fake types used only for type hinting.
-	 * These are allowed to overlap with the types below. */
-	IS_CALLABLE = 12,
-	IS_ITERABLE = 13,
-	IS_VOID = 14,
-	IS_STATIC = 15,
-	IS_MIXED = 16,
-	IS_NEVER = 17,
+/* Fake types used only for type hinting.
+ * These are allowed to overlap with the types below. */
+#define IS_CALLABLE					12
+#define IS_ITERABLE					13
+#define IS_VOID						14
+#define IS_STATIC					15
+#define IS_MIXED					16
+#define IS_NEVER					17
 
-	/* internal types */
-	IS_INDIRECT = 12,
-	IS_PTR = 13,
-	IS_ALIAS_PTR = 14,
-	_IS_ERROR = 15,
+/* internal types */
+#define IS_INDIRECT             	12
+#define IS_PTR						13
+#define IS_ALIAS_PTR				14
+#define _IS_ERROR					15
 
-	/* used for casts */
-	_IS_BOOL = 18,
-	_IS_NUMBER = 19,
-};
+/* used for casts */
+#define _IS_BOOL					18
+#define _IS_NUMBER					19
 
 #define ZEND_SAME_FAKE_TYPE(faketype, realtype) ( \
 	(faketype) == (realtype) \