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

Example 31 with ListExpression

use of org.codehaus.groovy.ast.expr.ListExpression in project groovy-core by groovy.

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 32 with ListExpression

use of org.codehaus.groovy.ast.expr.ListExpression in project groovy-core by groovy.

the class NewifyASTTransformation method determineClasses.

/** allow non-strict mode in scripts because parsing not complete at that point */
private ListExpression determineClasses(Expression expr, boolean searchSourceUnit) {
    ListExpression list = new ListExpression();
    if (expr instanceof ClassExpression) {
        list.addExpression(expr);
    } else if (expr instanceof VariableExpression && searchSourceUnit) {
        VariableExpression ve = (VariableExpression) expr;
        ClassNode fromSourceUnit = getSourceUnitClass(ve);
        if (fromSourceUnit != null) {
            ClassExpression found = classX(fromSourceUnit);
            found.setSourcePosition(ve);
            list.addExpression(found);
        } else {
            addError(BASE_BAD_PARAM_ERROR + "an unresolvable reference to '" + ve.getName() + "'.", expr);
        }
    } else if (expr instanceof ListExpression) {
        list = (ListExpression) expr;
        final List<Expression> expressions = list.getExpressions();
        for (int i = 0; i < expressions.size(); i++) {
            Expression next = expressions.get(i);
            if (next instanceof VariableExpression && searchSourceUnit) {
                VariableExpression ve = (VariableExpression) next;
                ClassNode fromSourceUnit = getSourceUnitClass(ve);
                if (fromSourceUnit != null) {
                    ClassExpression found = classX(fromSourceUnit);
                    found.setSourcePosition(ve);
                    expressions.set(i, found);
                } else {
                    addError(BASE_BAD_PARAM_ERROR + "a list containing an unresolvable reference to '" + ve.getName() + "'.", next);
                }
            } else if (!(next instanceof ClassExpression)) {
                addError(BASE_BAD_PARAM_ERROR + "a list containing type: " + next.getType().getName() + ".", next);
            }
        }
        checkDuplicateNameClashes(list);
    } else if (expr != null) {
        addError(BASE_BAD_PARAM_ERROR + "a type: " + expr.getType().getName() + ".", expr);
    }
    return list;
}

Example 33 with ListExpression

use of org.codehaus.groovy.ast.expr.ListExpression in project groovy-core by groovy.

the class NewifyASTTransformation method newifyMethodOrField.

private void newifyMethodOrField(AnnotatedNode parent, boolean autoFlag, ListExpression list) {
    final ListExpression oldClassesToNewify = classesToNewify;
    final boolean oldAuto = auto;
    checkClassLevelClashes(list);
    checkAutoClash(autoFlag, parent);
    classesToNewify = list;
    auto = autoFlag;
    if (parent instanceof FieldNode) {
        super.visitField((FieldNode) parent);
    } else {
        super.visitMethod((MethodNode) parent);
    }
    classesToNewify = oldClassesToNewify;
    auto = oldAuto;
}

Example 34 with ListExpression

use of org.codehaus.groovy.ast.expr.ListExpression in project groovy-core by groovy.

the class NewifyASTTransformation method newifyClass.

private void newifyClass(ClassNode cNode, boolean autoFlag, ListExpression list) {
    String cName = cNode.getName();
    if (cNode.isInterface()) {
        addError("Error processing interface '" + cName + "'. @" + MY_NAME + " not allowed for interfaces.", cNode);
    }
    final ListExpression oldClassesToNewify = classesToNewify;
    final boolean oldAuto = auto;
    classesToNewify = list;
    auto = autoFlag;
    super.visitClass(cNode);
    classesToNewify = oldClassesToNewify;
    auto = oldAuto;
}

Example 35 with ListExpression

use of org.codehaus.groovy.ast.expr.ListExpression in project groovy-core by groovy.

the class AbstractASTTransformation method getClassList.

public List<ClassNode> getClassList(AnnotationNode anno, String name) {
    List<ClassNode> list = new ArrayList<ClassNode>();
    Expression expr = anno.getMember(name);
    if (expr != null && expr instanceof ListExpression) {
        final ListExpression listExpression = (ListExpression) expr;
        for (Expression itemExpr : listExpression.getExpressions()) {
            if (itemExpr != null && itemExpr instanceof ClassExpression) {
                ClassNode cn = itemExpr.getType();
                if (cn != null)
                    list.add(cn);
            }
        }
    } else if (expr != null && expr instanceof ClassExpression) {
        ClassNode cn = expr.getType();
        if (cn != null)
            list.add(cn);
    }
    return list;
}