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

Example 1 with UnaryPlusExpression

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

the class AstBuilder method visitUnaryAddExprAlt.

@Override
public Expression visitUnaryAddExprAlt(final UnaryAddExprAltContext ctx) {
    ExpressionContext expressionCtx = ctx.expression();
    Expression expression = (Expression) this.visit(expressionCtx);
    switch(ctx.op.getType()) {
        case ADD:
            {
                if (isNonStringConstantOutsideParentheses(expression)) {
                    return configureAST(expression, ctx);
                }
                return configureAST(new UnaryPlusExpression(expression), ctx);
            }
        case SUB:
            {
                if (isNonStringConstantOutsideParentheses(expression)) {
                    ConstantExpression constantExpression = (ConstantExpression) expression;
                    try {
                        String integerLiteralText = constantExpression.getNodeMetaData(INTEGER_LITERAL_TEXT);
                        if (null != integerLiteralText) {
                            ConstantExpression result = new ConstantExpression(Numbers.parseInteger(SUB_STR + integerLiteralText));
                            // reset the numberFormatError
                            this.numberFormatError = null;
                            return configureAST(result, ctx);
                        }
                        String floatingPointLiteralText = constantExpression.getNodeMetaData(FLOATING_POINT_LITERAL_TEXT);
                        if (null != floatingPointLiteralText) {
                            ConstantExpression result = new ConstantExpression(Numbers.parseDecimal(SUB_STR + floatingPointLiteralText));
                            // reset the numberFormatError
                            this.numberFormatError = null;
                            return configureAST(result, ctx);
                        }
                    } catch (Exception e) {
                        throw createParsingFailedException(e.getMessage(), ctx);
                    }
                    throw new GroovyBugError("Failed to find the original number literal text: " + constantExpression.getText());
                }
                return configureAST(new UnaryMinusExpression(expression), ctx);
            }
        case INC:
        case DEC:
            return configureAST(new PrefixExpression(this.createGroovyToken(ctx.op), expression), ctx);
        default:
            throw createParsingFailedException("Unsupported unary operation: " + ctx.getText(), ctx);
    }
}

Example 2 with UnaryPlusExpression

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

the class StaticTypeCheckingVisitor method getType.

protected ClassNode getType(final ASTNode exp) {
    ClassNode cn = exp.getNodeMetaData(INFERRED_TYPE);
    if (cn != null) {
        return cn;
    }
    if (exp instanceof ClassExpression) {
        ClassNode node = CLASS_Type.getPlainNodeReference();
        node.setGenericsTypes(new GenericsType[] { new GenericsType(((ClassExpression) exp).getType()) });
        return node;
    }
    if (exp instanceof VariableExpression) {
        VariableExpression vexp = (VariableExpression) exp;
        ClassNode selfTrait = isTraitSelf(vexp);
        if (selfTrait != null)
            return makeSelf(selfTrait);
        if (vexp.isThisExpression())
            return makeThis();
        if (vexp.isSuperExpression())
            return makeSuper();
        Variable variable = vexp.getAccessedVariable();
        if (variable instanceof FieldNode) {
            FieldNode fieldNode = (FieldNode) variable;
            ClassNode fieldType = fieldNode.getOriginType();
            if (!fieldNode.isStatic() && GenericsUtils.hasUnresolvedGenerics(fieldType)) {
                ClassNode declType = fieldNode.getDeclaringClass(), thisType = typeCheckingContext.getEnclosingClassNode();
                fieldType = resolveGenericsWithContext(extractPlaceHolders(thisType, declType), fieldType);
            }
            return fieldType;
        }
        if (variable != vexp && variable instanceof VariableExpression) {
            return getType((VariableExpression) variable);
        }
        if (variable instanceof Parameter) {
            Parameter parameter = (Parameter) variable;
            ClassNode type = null;
            // check if param part of control structure - but not if inside instanceof
            List<ClassNode> temporaryTypesForExpression = getTemporaryTypesForExpression(vexp);
            if (temporaryTypesForExpression == null || temporaryTypesForExpression.isEmpty()) {
                type = typeCheckingContext.controlStructureVariables.get(parameter);
            }
            // now check for closure override
            TypeCheckingContext.EnclosingClosure enclosingClosure = typeCheckingContext.getEnclosingClosure();
            if (type == null && enclosingClosure != null && temporaryTypesForExpression == null) {
                type = getTypeFromClosureArguments(parameter, enclosingClosure);
            }
            if (type != null) {
                storeType(vexp, type);
                return type;
            }
            return getType((Parameter) variable);
        }
        return vexp.getOriginType();
    }
    if (exp instanceof ListExpression) {
        return inferListExpressionType((ListExpression) exp);
    }
    if (exp instanceof MapExpression) {
        return inferMapExpressionType((MapExpression) exp);
    }
    if (exp instanceof ConstructorCallExpression) {
        return ((ConstructorCallExpression) exp).getType();
    }
    if (exp instanceof MethodNode) {
        if ((exp == GET_DELEGATE || exp == GET_OWNER || exp == GET_THISOBJECT) && typeCheckingContext.getEnclosingClosure() != null) {
            return typeCheckingContext.getEnclosingClassNode();
        }
        ClassNode ret = getInferredReturnType(exp);
        return ret != null ? ret : ((MethodNode) exp).getReturnType();
    }
    if (exp instanceof FieldNode || exp instanceof PropertyNode) {
        return ((Variable) exp).getOriginType();
    }
    if (exp instanceof RangeExpression) {
        ClassNode plain = RANGE_TYPE.getPlainNodeReference();
        RangeExpression re = (RangeExpression) exp;
        ClassNode fromType = getType(re.getFrom());
        ClassNode toType = getType(re.getTo());
        if (fromType.equals(toType)) {
            plain.setGenericsTypes(new GenericsType[] { new GenericsType(wrapTypeIfNecessary(fromType)) });
        } else {
            plain.setGenericsTypes(new GenericsType[] { new GenericsType(wrapTypeIfNecessary(lowestUpperBound(fromType, toType))) });
        }
        return plain;
    }
    if (exp instanceof UnaryPlusExpression) {
        return getType(((UnaryPlusExpression) exp).getExpression());
    }
    if (exp instanceof UnaryMinusExpression) {
        return getType(((UnaryMinusExpression) exp).getExpression());
    }
    if (exp instanceof BitwiseNegationExpression) {
        return getType(((BitwiseNegationExpression) exp).getExpression());
    }
    if (exp instanceof Parameter) {
        return ((Parameter) exp).getOriginType();
    }
    if (exp instanceof ClosureExpression) {
        ClassNode type = CLOSURE_TYPE.getPlainNodeReference();
        ClassNode returnType = getInferredReturnType(exp);
        if (returnType != null) {
            type.setGenericsTypes(new GenericsType[] { new GenericsType(wrapTypeIfNecessary(returnType)) });
        }
        Parameter[] parameters = ((ClosureExpression) exp).getParameters();
        int nParameters = parameters == null ? 0 : parameters.length == 0 ? -1 : parameters.length;
        type.putNodeMetaData(CLOSURE_ARGUMENTS, nParameters);
        return type;
    } else if (exp instanceof MethodCall) {
        MethodNode target = exp.getNodeMetaData(DIRECT_METHOD_CALL_TARGET);
        if (target != null) {
            return getType(target);
        }
    }
    return ((Expression) exp).getType();
}

Example 3 with UnaryPlusExpression

use of org.codehaus.groovy.ast.expr.UnaryPlusExpression in project gradle by gradle.

the class ExpressionReplacingVisitorSupport method visitUnaryPlusExpression.

@Override
public void visitUnaryPlusExpression(UnaryPlusExpression expr) {
    UnaryPlusExpression result = new UnaryPlusExpression(replaceExpr(expr.getExpression()));
    result.setType(expr.getType());
    result.setSourcePosition(expr);
    replaceVisitedExpressionWith(result);
}

Example 4 with UnaryPlusExpression

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

the class UnaryExpressionHelper method writeUnaryPlus.

public void writeUnaryPlus(UnaryPlusExpression expression) {
    Expression subExpression = expression.getExpression();
    subExpression.visit(controller.getAcg());
    controller.getOperandStack().box();
    unaryPlus.call(controller.getMethodVisitor());
    controller.getOperandStack().replace(ClassHelper.OBJECT_TYPE);
    controller.getAssertionWriter().record(expression);
}