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 * Copyright 2014, Google Inc.
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

package org.jf.smalidea.psi.impl;

import com.intellij.lang.ASTNode;
import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jf.smalidea.psi.SmaliElementTypes;
import org.jf.smalidea.psi.stub.SmaliMethodPrototypeStub;
import org.jf.smalidea.util.NameUtils;

public class SmaliMethodPrototype extends SmaliStubBasedPsiElement<SmaliMethodPrototypeStub> {
    public SmaliMethodPrototype(@NotNull SmaliMethodPrototypeStub stub) {
        super(stub, SmaliElementTypes.METHOD_PROTOTYPE);
    }

    public SmaliMethodPrototype(@NotNull ASTNode node) {
        super(node);
    }

    @Nullable
    public PsiType getReturnType() {
        SmaliMethodPrototypeStub stub = getStub();
        if (stub != null) {
            String returnSmaliTypeName = stub.getReturnSmaliTypeName();
            if (returnSmaliTypeName == null) {
                return null;
            }
            return NameUtils.resolveSmaliToPsiType(this, returnSmaliTypeName);
        }

        PsiTypeElement returnTypeElement = getReturnTypeElement();
        if (returnTypeElement == null) {
            return null;
        }
        return returnTypeElement.getType();
    }

    @Nullable public SmaliTypeElement getReturnTypeElement() {
        return findChildByClass(SmaliTypeElement.class);
    }

    @NotNull
    public SmaliMethodParamList getParameterList() {
        return getRequiredStubOrPsiChild(SmaliElementTypes.METHOD_PARAM_LIST);
    }
}