fixes #508 including precedence

Author: wumpz

src/main/java/net/sf/jsqlparser/expression/ExpressionVisitor.java

@@ -23,7 +23,9 @@
 
 import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseAnd;
+import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseLeftShift;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseOr;
+import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseRightShift;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseXor;
 import net.sf.jsqlparser.expression.operators.arithmetic.Concat;
 import net.sf.jsqlparser.expression.operators.arithmetic.Division;
@@ -52,6 +54,10 @@
 
 public interface ExpressionVisitor {
 
+    public void visit(BitwiseRightShift aThis);
+
+    public void visit(BitwiseLeftShift aThis);
+
     void visit(NullValue nullValue);
 
     void visit(Function function);

src/main/java/net/sf/jsqlparser/expression/ExpressionVisitorAdapter.java

@@ -358,6 +358,16 @@ public void visit(NotExpression notExpr) {
         notExpr.getExpression().accept(this);
     }
 
+    @Override
+    public void visit(BitwiseRightShift expr) {
+        visitBinaryExpression(expr);
+    }
+
+    @Override
+    public void visit(BitwiseLeftShift expr) {
+        visitBinaryExpression(expr);
+    }
+
     protected void visitBinaryExpression(BinaryExpression expr) {
         expr.getLeftExpression().accept(this);
         expr.getRightExpression().accept(this);

src/main/java/net/sf/jsqlparser/expression/operators/arithmetic/BitwiseLeftShift.java

@@ -0,0 +1,38 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 JSQLParser
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as 
+ * published by the Free Software Foundation, either version 2.1 of the 
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Lesser Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Lesser Public 
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ * #L%
+ */
+package net.sf.jsqlparser.expression.operators.arithmetic;
+
+import net.sf.jsqlparser.expression.BinaryExpression;
+import net.sf.jsqlparser.expression.ExpressionVisitor;
+
+public class BitwiseLeftShift extends BinaryExpression {
+
+    @Override
+    public void accept(ExpressionVisitor expressionVisitor) {
+        expressionVisitor.visit(this);
+    }
+
+    @Override
+    public String getStringExpression() {
+        return "<<";
+    }
+}

src/main/java/net/sf/jsqlparser/expression/operators/arithmetic/BitwiseRightShift.java

@@ -0,0 +1,38 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 JSQLParser
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as 
+ * published by the Free Software Foundation, either version 2.1 of the 
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Lesser Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Lesser Public 
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ * #L%
+ */
+package net.sf.jsqlparser.expression.operators.arithmetic;
+
+import net.sf.jsqlparser.expression.BinaryExpression;
+import net.sf.jsqlparser.expression.ExpressionVisitor;
+
+public class BitwiseRightShift extends BinaryExpression {
+
+    @Override
+    public void accept(ExpressionVisitor expressionVisitor) {
+        expressionVisitor.visit(this);
+    }
+
+    @Override
+    public String getStringExpression() {
+        return ">>";
+    }
+}

src/main/java/net/sf/jsqlparser/expression/operators/arithmetic/arithmetic.uod

@@ -61,7 +61,9 @@
 import net.sf.jsqlparser.expression.WhenClause;
 import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseAnd;
+import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseLeftShift;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseOr;
+import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseRightShift;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseXor;
 import net.sf.jsqlparser.expression.operators.arithmetic.Concat;
 import net.sf.jsqlparser.expression.operators.arithmetic.Division;
@@ -374,6 +376,16 @@ public void visit(NotExpression notExpr) {
         notExpr.getExpression().accept(this);
     }
 
+    @Override
+    public void visit(BitwiseRightShift expr) {
+        visitBinaryExpression(expr);
+    }
+
+    @Override
+    public void visit(BitwiseLeftShift expr) {
+        visitBinaryExpression(expr);
+    }
+
     public void visitBinaryExpression(BinaryExpression binaryExpression) {
         binaryExpression.getLeftExpression().accept(this);
         binaryExpression.getRightExpression().accept(this);

src/main/java/net/sf/jsqlparser/util/TablesNamesFinder.java

@@ -62,7 +62,9 @@
 import net.sf.jsqlparser.expression.WindowElement;
 import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseAnd;
+import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseLeftShift;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseOr;
+import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseRightShift;
 import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseXor;
 import net.sf.jsqlparser.expression.operators.arithmetic.Concat;
 import net.sf.jsqlparser.expression.operators.arithmetic.Division;
@@ -196,6 +198,16 @@ public void visit(NotExpression notExpr) {
         notExpr.getExpression().accept(this);
     }
 
+    @Override
+    public void visit(BitwiseRightShift expr) {
+        visitBinaryExpression(expr, " >> ");
+    }
+
+    @Override
+    public void visit(BitwiseLeftShift expr) {
+        visitBinaryExpression(expr, " << ");
+    }
+
     public void visitOldOracleJoinBinaryExpression(OldOracleJoinBinaryExpression expression, String operator) {
         if (expression.isNot()) {
             buffer.append(NOT);

src/main/java/net/sf/jsqlparser/util/deparser/ExpressionDeParser.java

@@ -2247,6 +2247,10 @@ Expression BitwiseAndOr():
             "|" { result = new BitwiseOr(); }
             |
             "&" { result = new BitwiseAnd(); }
+			|
+			"<<" { result = new BitwiseLeftShift(); }
+			|
+			">>" { result = new BitwiseRightShift(); }
         )
 
         rightExpression=AdditiveExpression()

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -2665,4 +2665,9 @@ public void testIssue512_2() throws JSQLParserException {
     public void testIssue514() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT listagg(c1, ';') WITHIN GROUP (PARTITION BY 1 ORDER BY 1) col FROM dual");
     }
+    
+    public void testIssue508LeftRightBitwiseShift() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("SELECT 1 << 1");
+        assertSqlCanBeParsedAndDeparsed("SELECT 1 >> 1");
+    }
 }