Range operator implementation php#2

Author: tpunt

Zend/zend_ast.c

@@ -538,7 +538,7 @@ ZEND_API void zend_ast_apply(zend_ast *ast, zend_ast_apply_func fn) {
  *  140     left            |
  *  150     left            ^
  *  160     left            &
- *  170     non-associative == != === !==
+ *  170     non-associative == != === !== |>
  *  180     non-associative < <= > >= <=>
  *  190     left            << >>
  *  200     left            + - .
@@ -1323,6 +1323,7 @@ static void zend_ast_export_ex(smart_str *str, zend_ast *ast, int priority, int
 				case ZEND_IS_NOT_IDENTICAL:    BINARY_OP(" !== ", 170, 171, 171);
 				case ZEND_IS_EQUAL:            BINARY_OP(" == ",  170, 171, 171);
 				case ZEND_IS_NOT_EQUAL:        BINARY_OP(" != ",  170, 171, 171);
+				case ZEND_RANGE:               BINARY_OP(" |> ",  170, 171, 171);
 				case ZEND_IS_SMALLER:          BINARY_OP(" < ",   180, 181, 181);
 				case ZEND_IS_SMALLER_OR_EQUAL: BINARY_OP(" <= ",  180, 181, 181);
 				case ZEND_POW:                 BINARY_OP(" ** ",  250, 251, 250);

Zend/zend_language_parser.y

@@ -69,7 +69,7 @@ static YYSIZE_T zend_yytnamerr(char*, const char*);
 %left '|'
 %left '^'
 %left '&'
-%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL T_SPACESHIP
+%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL T_SPACESHIP T_RANGE
 %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL
 %left T_SL T_SR
 %left '+' '-' '.'
@@ -221,6 +221,7 @@ static YYSIZE_T zend_yytnamerr(char*, const char*);
 %token T_COALESCE        "?? (T_COALESCE)"
 %token T_POW             "** (T_POW)"
 %token T_POW_EQUAL       "**= (T_POW_EQUAL)"
+%token T_RANGE           "|> (T_RANGE)"
 
 /* Token used to force a parse error from the lexer */
 %token T_ERROR
@@ -932,6 +933,8 @@ expr_without_variable:
 			{ $$ = zend_ast_create(ZEND_AST_GREATER_EQUAL, $1, $3); }
 	|	expr T_SPACESHIP expr
 			{ $$ = zend_ast_create_binary_op(ZEND_SPACESHIP, $1, $3); }
+	|   expr T_RANGE expr
+            { $$ = zend_ast_create_binary_op(ZEND_RANGE, $1, $3); }
 	|	expr T_INSTANCEOF class_name_reference
 			{ $$ = zend_ast_create(ZEND_AST_INSTANCEOF, $1, $3); }
 	|	'(' expr ')' { $$ = $2; }