Examples of org.codehaus.groovy.ast.expr.BooleanExpression

org.codehaus.groovy.ast.expr.BooleanExpression
Represents a boolean expression @author James Strachan @version $Revision: 21223 $

    }


    private IfStatement getAutowiringIfStatement(ClassExpression targetClass, VariableExpression fieldExpression, BinaryExpression testTargetAssignment) {
        VariableExpression appCtxVar = new VariableExpression("applicationContext", ClassHelper.make(GrailsWebApplicationContext.class));


        BooleanExpression applicationContextCheck = new BooleanExpression(
                new BinaryExpression(
                new BinaryExpression(fieldExpression, GrailsASTUtils.EQUALS_OPERATOR, GrailsASTUtils.NULL_EXPRESSION),
                        Token.newSymbol("&&",0,0),
                new BinaryExpression(appCtxVar, GrailsASTUtils.NOT_EQUALS_OPERATOR, GrailsASTUtils.NULL_EXPRESSION)));
        BlockStatement performAutowireBlock = new BlockStatement();
        ArgumentListExpression arguments = new ArgumentListExpression();
        arguments.addExpression(fieldExpression);
        arguments.addExpression(new ConstantExpression(1));
        arguments.addExpression(new ConstantExpression(false));
        BlockStatement assignFromApplicationContext = new BlockStatement();
        ArgumentListExpression argWithClassName = new ArgumentListExpression();
        MethodCallExpression getClassNameMethodCall = new MethodCallExpression(targetClass, "getName", new ArgumentListExpression());
        argWithClassName.addExpression(getClassNameMethodCall);


        assignFromApplicationContext.addStatement(new ExpressionStatement(new BinaryExpression(fieldExpression, ASSIGN, new MethodCallExpression(appCtxVar, "getBean", argWithClassName))));
        BlockStatement elseBlock = new BlockStatement();
        elseBlock.addStatement(new ExpressionStatement(testTargetAssignment));
        performAutowireBlock.addStatement(new IfStatement(new BooleanExpression(new MethodCallExpression(appCtxVar, "containsBean", argWithClassName)), assignFromApplicationContext, elseBlock));
        performAutowireBlock.addStatement(new ExpressionStatement(new MethodCallExpression(new PropertyExpression(appCtxVar,"autowireCapableBeanFactory"), "autowireBeanProperties", arguments)));
        return new IfStatement(applicationContextCheck, performAutowireBlock, new BlockStatement());
    }

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        classNode.addConstructor(new ConstructorNode(ACC_PUBLIC, null));
        classNode.addProperty(new PropertyNode("bar", ACC_PUBLIC, ClassHelper.STRING_TYPE, classNode, null, null, null));


        classNode.addProperty(new PropertyNode("result", ACC_PUBLIC, ClassHelper.STRING_TYPE, classNode, null, null, null));


        BooleanExpression expression =
                new BooleanExpression(
                        new BinaryExpression(
                                new FieldExpression(
                                        new FieldNode("bar", ACC_PRIVATE, ClassHelper.STRING_TYPE, classNode, ConstantExpression.NULL)),
                                Token.newSymbol("==", 0, 0),
                                new ConstantExpression("abc")));

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    public static BinaryExpression neX(Expression lhv, Expression rhv) {
        return new BinaryExpression(lhv, NE, rhv);
    }


    public static BooleanExpression notNullX(Expression argExpr) {
        return new BooleanExpression(new BinaryExpression(argExpr, NE, new ConstantExpression(null)));
    }

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    public static BooleanExpression notNullX(Expression argExpr) {
        return new BooleanExpression(new BinaryExpression(argExpr, NE, new ConstantExpression(null)));
    }


    public static NotExpression notX(Expression expr) {
        return new NotExpression(expr instanceof BooleanExpression ? expr : new BooleanExpression(expr));
    }

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                new ExpressionStatement(fieldExpr),
                new ExpressionStatement(expression));
    }


    public static BooleanExpression sameX(Expression self, Expression other) {
        return new BooleanExpression(callX(self, "is", args(other)));
    }

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        return new ExpressionStatement(expr);
    }


    public static TernaryExpression ternaryX(Expression cond, Expression trueExpr, Expression elseExpr) {
        return new TernaryExpression(
                cond instanceof BooleanExpression ? (BooleanExpression) cond : new BooleanExpression(cond),
                trueExpr,
                elseExpr);
    }

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                ClassHelper.make(InvokerHelper.class),
                "invokeMethod",
                new ArgumentListExpression(getProxy, new ConstantExpression(forwarderMethod.getName()), new ArrayExpression(ClassHelper.OBJECT_TYPE, args.getExpressions()))
        );
        IfStatement stmt = new IfStatement(
                new BooleanExpression(instanceOfExpr),
                new ExpressionStatement(new CastExpression(returnType,proxyCall)),
                new ExpressionStatement(superCall)
        );
        return stmt;
    }

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    public static BinaryExpression eqX(Expression lhv, Expression rhv) {
        return new BinaryExpression(lhv, EQ, rhv);
    }


    public static BooleanExpression equalsNullX(Expression argExpr) {
        return new BooleanExpression(eqX(argExpr, new ConstantExpression(null)));
    }

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        return sameX(callThisX(getterName), callX(other, getterName));
    }


    public static Statement ifElseS(Expression cond, Statement thenStmt, Statement elseStmt) {
        return new IfStatement(
                cond instanceof BooleanExpression ? (BooleanExpression) cond : new BooleanExpression(cond),
                thenStmt,
                elseStmt
        );
    }

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        return ifS(cond, new ExpressionStatement(trueExpr));
    }


    public static Statement ifS(Expression cond, Statement trueStmt) {
        return new IfStatement(
                cond instanceof BooleanExpression ? (BooleanExpression) cond : new BooleanExpression(cond),
                trueStmt,
                EmptyStatement.INSTANCE
        );
    }

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