Examples with ConstantExpression org.codehaus.groovy.ast.expr.ConstantExpression used on opensource projects

Example 71 with ConstantExpression

use of org.codehaus.groovy.ast.expr.ConstantExpression in project groovy by apache.

the class BinaryExpressionTransformer method convertInOperatorToTernary.

private Expression convertInOperatorToTernary(final BinaryExpression bin, final Expression rightExpression, final Expression leftExpression) {
    MethodCallExpression call = new MethodCallExpression(rightExpression, "isCase", leftExpression);
    call.setMethodTarget((MethodNode) bin.getNodeMetaData(StaticTypesMarker.DIRECT_METHOD_CALL_TARGET));
    call.setSourcePosition(bin);
    call.copyNodeMetaData(bin);
    TernaryExpression tExp = new TernaryExpression(new BooleanExpression(new BinaryExpression(rightExpression, Token.newSymbol("==", -1, -1), new ConstantExpression(null))), new BinaryExpression(leftExpression, Token.newSymbol("==", -1, -1), new ConstantExpression(null)), call);
    return staticCompilationTransformer.transform(tExp);
}

Example 72 with ConstantExpression

use of org.codehaus.groovy.ast.expr.ConstantExpression in project groovy by apache.

the class CastExpressionOptimizer method transformCastExpression.

public Expression transformCastExpression(final CastExpression cast) {
    if (cast.isCoerce()) {
        Expression expression = cast.getExpression();
        ClassNode exprInferredType = transformer.getTypeChooser().resolveType(expression, transformer.getClassNode());
        ClassNode castType = cast.getType();
        if (castType.isArray() && expression instanceof ListExpression) {
            ArrayExpression arrayExpression = new ArrayExpression(castType.getComponentType(), ((ListExpression) expression).getExpressions());
            arrayExpression.setSourcePosition(cast);
            return transformer.transform(arrayExpression);
        }
        if (isOptimizable(exprInferredType, castType)) {
            // coerce is not needed
            CastExpression trn = new CastExpression(castType, transformer.transform(expression));
            trn.setSourcePosition(cast);
            trn.copyNodeMetaData(cast);
            return trn;
        }
    } else if (ClassHelper.char_TYPE.equals(cast.getType())) {
        Expression expression = cast.getExpression();
        if (expression instanceof ConstantExpression) {
            ConstantExpression ce = (ConstantExpression) expression;
            if (ClassHelper.STRING_TYPE.equals(ce.getType())) {
                String val = (String) ce.getValue();
                if (val != null && val.length() == 1) {
                    ConstantExpression result = new ConstantExpression(val.charAt(0), true);
                    result.setSourcePosition(cast);
                    return result;
                }
            }
        }
    }
    return transformer.superTransform(cast);
}

Example 73 with ConstantExpression

use of org.codehaus.groovy.ast.expr.ConstantExpression in project groovy by apache.

the class ImmutableASTTransformation method createConstructorStatementArrayOrCloneable.

private static Statement createConstructorStatementArrayOrCloneable(FieldNode fNode) {
    final Expression fieldExpr = varX(fNode);
    Expression initExpr = fNode.getInitialValueExpression();
    ClassNode fieldType = fNode.getType();
    final Expression array = findArg(fNode.getName());
    final Statement assignInit;
    if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
        assignInit = assignS(fieldExpr, ConstantExpression.EMPTY_EXPRESSION);
    } else {
        assignInit = assignS(fieldExpr, cloneArrayOrCloneableExpr(initExpr, fieldType));
    }
    return ifElseS(equalsNullX(array), assignInit, assignS(fieldExpr, cloneArrayOrCloneableExpr(array, fieldType)));
}

Example 74 with ConstantExpression

use of org.codehaus.groovy.ast.expr.ConstantExpression in project groovy by apache.

the class ImmutableASTTransformation method createConstructorStatementMapSpecial.

private static Statement createConstructorStatementMapSpecial(FieldNode fNode) {
    final Expression fieldExpr = varX(fNode);
    final ClassNode fieldType = fieldExpr.getType();
    final Expression initExpr = fNode.getInitialValueExpression();
    final Statement assignInit;
    if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
        assignInit = assignS(fieldExpr, ConstantExpression.EMPTY_EXPRESSION);
    } else {
        assignInit = assignS(fieldExpr, cloneCollectionExpr(initExpr, fieldType));
    }
    Expression namedArgs = findArg(fNode.getName());
    Expression baseArgs = varX("args");
    return ifElseS(equalsNullX(baseArgs), assignInit, ifElseS(equalsNullX(namedArgs), ifElseS(isTrueX(callX(baseArgs, "containsKey", constX(fNode.getName()))), assignS(fieldExpr, namedArgs), assignS(fieldExpr, cloneCollectionExpr(baseArgs, fieldType))), ifElseS(isOneX(callX(baseArgs, "size")), assignS(fieldExpr, cloneCollectionExpr(namedArgs, fieldType)), assignS(fieldExpr, cloneCollectionExpr(baseArgs, fieldType)))));
}

Example 75 with ConstantExpression

use of org.codehaus.groovy.ast.expr.ConstantExpression in project groovy by apache.

the class ImmutableASTTransformation method createConstructorStatementCollection.

private static Statement createConstructorStatementCollection(FieldNode fNode) {
    final Expression fieldExpr = varX(fNode);
    ClassNode fieldType = fieldExpr.getType();
    Expression initExpr = fNode.getInitialValueExpression();
    final Statement assignInit;
    if (initExpr == null || (initExpr instanceof ConstantExpression && ((ConstantExpression) initExpr).isNullExpression())) {
        assignInit = assignS(fieldExpr, ConstantExpression.EMPTY_EXPRESSION);
    } else {
        assignInit = assignS(fieldExpr, cloneCollectionExpr(initExpr, fieldType));
    }
    Expression collection = findArg(fNode.getName());
    return ifElseS(equalsNullX(collection), assignInit, ifElseS(isInstanceOfX(collection, CLONEABLE_TYPE), assignS(fieldExpr, cloneCollectionExpr(cloneArrayOrCloneableExpr(collection, fieldType), fieldType)), assignS(fieldExpr, cloneCollectionExpr(collection, fieldType))));
}