Examples with BitXORExpression com.alibaba.cobar.parser.ast.expression.bit.BitXORExpression used on opensource projects

Example 1 with BitXORExpression

use of com.alibaba.cobar.parser.ast.expression.bit.BitXORExpression in project cobar by alibaba.

the class MySQLExprParser method bitXORExpression.

/**
     * <code>higherExpr ('^' higherExpr)+</code>
     */
private Expression bitXORExpression(String consumed, String consumedUp) throws SQLSyntaxErrorException {
    Expression temp;
    for (Expression expr = unaryOpExpression(consumed, consumedUp); ; ) {
        switch(lexer.token()) {
            case OP_CARET:
                lexer.nextToken();
                temp = unaryOpExpression(null, null);
                expr = new BitXORExpression(expr, temp).setCacheEvalRst(cacheEvalRst);
                break;
            default:
                return expr;
        }
    }
}

Example 2 with BitXORExpression

use of com.alibaba.cobar.parser.ast.expression.bit.BitXORExpression in project cobar by alibaba.

the class MySQLExprParserTest method testAssignment.

public void testAssignment() throws Exception {
    String sql = "a /*dd*/:=b:=c";
    MySQLExprParser parser = new MySQLExprParser(new MySQLLexer(sql));
    Expression expr = parser.expression();
    String output = output2MySQL(expr, sql);
    Assert.assertEquals("a := b := c", output);
    Assert.assertEquals(AssignmentExpression.class, expr.getClass());
    AssignmentExpression ass = (AssignmentExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, ass.getRightOprand().getClass());
    ass = (AssignmentExpression) ass.getRightOprand();
    Assert.assertEquals("b", ((Identifier) ass.getLeftOprand()).getIdText());
    sql = "c=@var:=1";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("c = (@var := 1)", output);
    Assert.assertEquals(ComparisionEqualsExpression.class, expr.getClass());
    ass = (AssignmentExpression) ((BinaryOperatorExpression) expr).getRightOprand();
    UsrDefVarPrimary usr = (UsrDefVarPrimary) ass.getLeftOprand();
    Assert.assertEquals("@var", usr.getVarText());
    sql = "a:=b or c &&d :=0b1101 or b'01'&0xabc";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("a := b OR c AND d := b'1101' OR b'01' & x'abc'", output);
    Assert.assertEquals(AssignmentExpression.class, expr.getClass());
    ass = (AssignmentExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, ass.getRightOprand().getClass());
    ass = (AssignmentExpression) ass.getRightOprand();
    Assert.assertEquals(LogicalOrExpression.class, ass.getLeftOprand().getClass());
    Assert.assertEquals(LogicalOrExpression.class, ass.getRightOprand().getClass());
    LogicalOrExpression lor = (LogicalOrExpression) ass.getLeftOprand();
    Assert.assertEquals(LogicalAndExpression.class, lor.getOperand(1).getClass());
    lor = (LogicalOrExpression) ass.getRightOprand();
    Assert.assertEquals(LiteralBitField.class, lor.getOperand(0).getClass());
    Assert.assertEquals(BitAndExpression.class, lor.getOperand(1).getClass());
    sql = "a:=((b or (c &&d)) :=((0b1101 or (b'01'&0xabc))))";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("a := b OR c AND d := b'1101' OR b'01' & x'abc'", output);
    Assert.assertEquals(AssignmentExpression.class, expr.getClass());
    ass = (AssignmentExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, ass.getRightOprand().getClass());
    ass = (AssignmentExpression) ass.getRightOprand();
    Assert.assertEquals(LogicalOrExpression.class, ass.getLeftOprand().getClass());
    Assert.assertEquals(LogicalOrExpression.class, ass.getRightOprand().getClass());
    lor = (LogicalOrExpression) ass.getLeftOprand();
    Assert.assertEquals(LogicalAndExpression.class, lor.getOperand(1).getClass());
    lor = (LogicalOrExpression) ass.getRightOprand();
    Assert.assertEquals(LiteralBitField.class, lor.getOperand(0).getClass());
    Assert.assertEquals(BitAndExpression.class, lor.getOperand(1).getClass());
    sql = "(a:=b) or c &&(d :=0b1101 or b'01')&0xabc ^null";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("(a := b) OR c AND (d := b'1101' OR b'01') & x'abc' ^ NULL", output);
    Assert.assertEquals(LogicalOrExpression.class, expr.getClass());
    lor = (LogicalOrExpression) expr;
    Assert.assertEquals(AssignmentExpression.class, lor.getOperand(0).getClass());
    Assert.assertEquals(LogicalAndExpression.class, lor.getOperand(1).getClass());
    LogicalAndExpression land = (LogicalAndExpression) lor.getOperand(1);
    Assert.assertEquals(Identifier.class, land.getOperand(0).getClass());
    Assert.assertEquals(BitAndExpression.class, land.getOperand(1).getClass());
    BitAndExpression band = (BitAndExpression) land.getOperand(1);
    Assert.assertEquals(AssignmentExpression.class, band.getLeftOprand().getClass());
    Assert.assertEquals(BitXORExpression.class, band.getRightOprand().getClass());
    ass = (AssignmentExpression) band.getLeftOprand();
    Assert.assertEquals(LogicalOrExpression.class, ass.getRightOprand().getClass());
    BitXORExpression bxor = (BitXORExpression) band.getRightOprand();
    Assert.assertEquals(LiteralHexadecimal.class, bxor.getLeftOprand().getClass());
    Assert.assertEquals(LiteralNull.class, bxor.getRightOprand().getClass());
}

Example 3 with BitXORExpression

use of com.alibaba.cobar.parser.ast.expression.bit.BitXORExpression in project cobar by alibaba.

the class MySQLExprParser method arithmeticFactorOperatorExpression.

/**
     * <code>higherExpr ( ('*'|'/'|'%'|'DIV'|'MOD') higherExpr)+</code>
     */
private Expression arithmeticFactorOperatorExpression(String consumed, String consumedUp) throws SQLSyntaxErrorException {
    Expression temp;
    for (Expression expr = bitXORExpression(consumed, consumedUp); ; ) {
        switch(lexer.token()) {
            case OP_ASTERISK:
                lexer.nextToken();
                temp = bitXORExpression(null, null);
                expr = new ArithmeticMultiplyExpression(expr, temp).setCacheEvalRst(cacheEvalRst);
                break;
            case OP_SLASH:
                lexer.nextToken();
                temp = bitXORExpression(null, null);
                expr = new ArithmeticDivideExpression(expr, temp).setCacheEvalRst(cacheEvalRst);
                break;
            case KW_DIV:
                lexer.nextToken();
                temp = bitXORExpression(null, null);
                expr = new ArithmeticIntegerDivideExpression(expr, temp).setCacheEvalRst(cacheEvalRst);
                break;
            case OP_PERCENT:
            case KW_MOD:
                lexer.nextToken();
                temp = bitXORExpression(null, null);
                expr = new ArithmeticModExpression(expr, temp).setCacheEvalRst(cacheEvalRst);
                break;
            default:
                return expr;
        }
    }
}

Example 4 with BitXORExpression

use of com.alibaba.cobar.parser.ast.expression.bit.BitXORExpression in project cobar by alibaba.

the class MySQLExprParserTest method testBit.

public void testBit() throws Exception {
    String sql = "0b01001001 | 3 & 1.2 <<d >> 0x0f";
    MySQLExprParser parser = new MySQLExprParser(new MySQLLexer(sql));
    Expression expr = parser.expression();
    String output = output2MySQL(expr, sql);
    Assert.assertEquals("b'01001001' | 3 & 1.2 << d >> x'0f'", output);
    BitOrExpression or = (BitOrExpression) expr;
    BitAndExpression and = (BitAndExpression) or.getRightOprand();
    BitShiftExpression rs = (BitShiftExpression) and.getRightOprand();
    BitShiftExpression ls = (BitShiftExpression) rs.getLeftOprand();
    Assert.assertEquals("d", ((Identifier) ls.getRightOprand()).getIdText());
    Assert.assertTrue(rs.isRightShift());
    Assert.assertFalse(ls.isRightShift());
    sql = "true + b & false ^ d - null ";
    parser = new MySQLExprParser(new MySQLLexer(sql));
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("TRUE + b & FALSE ^ d - NULL", output);
    and = (BitAndExpression) expr;
    ArithmeticAddExpression add = (ArithmeticAddExpression) and.getLeftOprand();
    ArithmeticSubtractExpression sub = (ArithmeticSubtractExpression) and.getRightOprand();
    BitXORExpression xor = (BitXORExpression) sub.getLeftOprand();
    Assert.assertEquals("d", ((Identifier) xor.getRightOprand()).getIdText());
    Assert.assertEquals("b", ((Identifier) add.getRightOprand()).getIdText());
}