Fixed operator precedence

Fixes: #89

Author: sergeyklay

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+### Fixed
+- Fixed operator precedence
+  [#89](https://github.com/phalcon/php-zephir-parser/issues/89)
+
 ## [1.3.3] - 2019-12-10
 ### Added
 - Added PHP 7.4 support

parser/zephir.lemon

@@ -31,7 +31,7 @@
 %name xx_
 
 // Define operator precedence early so that this is the first occurrence
-// of the operator tokens in the grammer.  Keeping the operators together
+// of the operator tokens in the grammar.  Keeping the operators together
 // causes them to be assigned integer values that are close together,
 // which keeps parser tables smaller.
 //
@@ -46,8 +46,12 @@
 %left OR .
 %left AND .
 %left INSTANCEOF .
-%left BITWISE_OR BITWISE_XOR BITWISE_SHIFTLEFT BITWISE_SHIFTRIGHT .
-%left EQUALS IDENTICAL LESS GREATER LESSEQUAL GREATEREQUAL NOTIDENTICAL NOTEQUALS .
+%left BITWISE_OR .
+%left BITWISE_XOR .
+%left BITWISE_AND .
+%left EQUALS IDENTICAL NOTIDENTICAL NOTEQUALS .
+%left LESS GREATER LESSEQUAL GREATEREQUAL .
+%left BITWISE_SHIFTLEFT BITWISE_SHIFTRIGHT .
 %left ADD SUB CONCAT .
 %left MUL DIV MOD .
 %right ISSET FETCH EMPTY .
@@ -57,7 +61,6 @@
 %right NEW .
 %right NOT .
 %right BITWISE_NOT .
-%left BITWISE_AND .
 %right PARENTHESES_CLOSE .
 %right SBRACKET_OPEN .
 %right ARROW .