Remove ASSIGN_* flags

As well as old flag versioning information.

Author: nikic

README.md

@@ -222,9 +222,6 @@ combined using bitwise or and should be checked by using `$ast->flags & ast\flag
 "exclusive" flags are used standalone and should be checked using `$ast->flags === ast\flags\BAR`.
 
 ```
-// Used by ast\AST_ARRAY_ELEM and ast\AST_CLOSURE_VAR (exclusive)
-1 = by-reference
-
 // Used by ast\AST_NAME (exclusive)
 ast\flags\NAME_FQ (= 0)    // example: \Foo\Bar
 ast\flags\NAME_NOT_FQ      // example: Foo\Bar
@@ -263,13 +260,13 @@ ast\flags\PARAM_VARIADIC
 // Used by ast\AST_TYPE (exclusive)
 ast\flags\TYPE_ARRAY
 ast\flags\TYPE_CALLABLE
-ast\flags\TYPE_VOID         // since version 40
-ast\flags\TYPE_BOOL         // since version 40
-ast\flags\TYPE_LONG         // since version 40
-ast\flags\TYPE_DOUBLE       // since version 40
-ast\flags\TYPE_STRING       // since version 40
-ast\flags\TYPE_ITERABLE     // since version 40
-ast\flags\TYPE_OBJECT       // since version 45
+ast\flags\TYPE_VOID
+ast\flags\TYPE_BOOL
+ast\flags\TYPE_LONG
+ast\flags\TYPE_DOUBLE
+ast\flags\TYPE_STRING
+ast\flags\TYPE_ITERABLE
+ast\flags\TYPE_OBJECT
 
 // Used by ast\AST_CAST (exclusive)
 ast\flags\TYPE_NULL
@@ -283,11 +280,11 @@ ast\flags\TYPE_OBJECT
 // Used by ast\AST_UNARY_OP (exclusive)
 ast\flags\UNARY_BOOL_NOT
 ast\flags\UNARY_BITWISE_NOT
-ast\flags\UNARY_MINUS       // since version 20
-ast\flags\UNARY_PLUS        // since version 20
-ast\flags\UNARY_SILENCE     // since version 20
+ast\flags\UNARY_MINUS
+ast\flags\UNARY_PLUS
+ast\flags\UNARY_SILENCE
 
-// Used by ast\AST_BINARY_OP and ast\AST_ASSIGN_OP in version >= 20 (exclusive)
+// Used by ast\AST_BINARY_OP and ast\AST_ASSIGN_OP (exclusive)
 ast\flags\BINARY_BITWISE_OR
 ast\flags\BINARY_BITWISE_AND
 ast\flags\BINARY_BITWISE_XOR
@@ -302,33 +299,19 @@ ast\flags\BINARY_SHIFT_LEFT
 ast\flags\BINARY_SHIFT_RIGHT
 
 // Used by ast\AST_BINARY_OP (exclusive)
-ast\flags\BINARY_BOOL_AND            // since version 20
-ast\flags\BINARY_BOOL_OR             // since version 20
+ast\flags\BINARY_BOOL_AND
+ast\flags\BINARY_BOOL_OR
 ast\flags\BINARY_BOOL_XOR
 ast\flags\BINARY_IS_IDENTICAL
 ast\flags\BINARY_IS_NOT_IDENTICAL
 ast\flags\BINARY_IS_EQUAL
 ast\flags\BINARY_IS_NOT_EQUAL
 ast\flags\BINARY_IS_SMALLER
 ast\flags\BINARY_IS_SMALLER_OR_EQUAL
-ast\flags\BINARY_IS_GREATER          // since version 20
-ast\flags\BINARY_IS_GREATER_OR_EQUAL // since version 20
+ast\flags\BINARY_IS_GREATER
+ast\flags\BINARY_IS_GREATER_OR_EQUAL
 ast\flags\BINARY_SPACESHIP
-ast\flags\BINARY_COALESCE            // since version 40
-
-// Used by ast\AST_ASSIGN_OP in versions before 20 (exclusive)
-ast\flags\ASSIGN_BITWISE_OR
-ast\flags\ASSIGN_BITWISE_AND
-ast\flags\ASSIGN_BITWISE_XOR
-ast\flags\ASSIGN_CONCAT
-ast\flags\ASSIGN_ADD
-ast\flags\ASSIGN_SUB
-ast\flags\ASSIGN_MUL
-ast\flags\ASSIGN_DIV
-ast\flags\ASSIGN_MOD
-ast\flags\ASSIGN_POW
-ast\flags\ASSIGN_SHIFT_LEFT
-ast\flags\ASSIGN_SHIFT_RIGHT
+ast\flags\BINARY_COALESCE
 
 // Used by ast\AST_MAGIC_CONST (exclusive)
 ast\flags\MAGIC_LINE

ast.c

@@ -1184,19 +1184,6 @@ PHP_MINIT_FUNCTION(ast) {
 	ast_register_flag_constant("BINARY_SPACESHIP", ZEND_SPACESHIP);
 	ast_register_flag_constant("BINARY_COALESCE", AST_BINARY_COALESCE);
 
-	ast_register_flag_constant("ASSIGN_BITWISE_OR", ZEND_ASSIGN_BW_OR);
-	ast_register_flag_constant("ASSIGN_BITWISE_AND", ZEND_ASSIGN_BW_AND);
-	ast_register_flag_constant("ASSIGN_BITWISE_XOR", ZEND_ASSIGN_BW_XOR);
-	ast_register_flag_constant("ASSIGN_CONCAT", ZEND_ASSIGN_CONCAT);
-	ast_register_flag_constant("ASSIGN_ADD", ZEND_ASSIGN_ADD);
-	ast_register_flag_constant("ASSIGN_SUB", ZEND_ASSIGN_SUB);
-	ast_register_flag_constant("ASSIGN_MUL", ZEND_ASSIGN_MUL);
-	ast_register_flag_constant("ASSIGN_DIV", ZEND_ASSIGN_DIV);
-	ast_register_flag_constant("ASSIGN_MOD", ZEND_ASSIGN_MOD);
-	ast_register_flag_constant("ASSIGN_POW", ZEND_ASSIGN_POW);
-	ast_register_flag_constant("ASSIGN_SHIFT_LEFT", ZEND_ASSIGN_SL);
-	ast_register_flag_constant("ASSIGN_SHIFT_RIGHT", ZEND_ASSIGN_SR);
-
 	ast_register_flag_constant("EXEC_EVAL", ZEND_EVAL);
 	ast_register_flag_constant("EXEC_INCLUDE", ZEND_INCLUDE);
 	ast_register_flag_constant("EXEC_INCLUDE_ONCE", ZEND_INCLUDE_ONCE);

ast_stub.php

@@ -163,18 +163,6 @@
 const BINARY_IS_GREATER_OR_EQUAL = 257;
 const BINARY_SPACESHIP = 170;
 const BINARY_COALESCE = 260;
-const ASSIGN_BITWISE_OR = 31;
-const ASSIGN_BITWISE_AND = 32;
-const ASSIGN_BITWISE_XOR = 33;
-const ASSIGN_CONCAT = 30;
-const ASSIGN_ADD = 23;
-const ASSIGN_SUB = 24;
-const ASSIGN_MUL = 25;
-const ASSIGN_DIV = 26;
-const ASSIGN_MOD = 27;
-const ASSIGN_POW = 167;
-const ASSIGN_SHIFT_LEFT = 28;
-const ASSIGN_SHIFT_RIGHT = 29;
 const EXEC_EVAL = 1;
 const EXEC_INCLUDE = 2;
 const EXEC_INCLUDE_ONCE = 4;