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      1 /*
      2  * Copyright 2014, Google Inc.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 package org.jf.smalidea.psi.impl;
     33 
     34 import com.intellij.lang.ASTNode;
     35 import com.intellij.psi.PsiParameter;
     36 import com.intellij.psi.PsiParameterList;
     37 import org.jetbrains.annotations.NotNull;
     38 import org.jf.smalidea.psi.SmaliElementTypes;
     39 import org.jf.smalidea.psi.stub.SmaliMethodParamListStub;
     40 
     41 import java.util.Arrays;
     42 
     43 public class SmaliMethodParamList extends SmaliStubBasedPsiElement<SmaliMethodParamListStub>
     44         implements PsiParameterList {
     45     public SmaliMethodParamList(@NotNull SmaliMethodParamListStub stub) {
     46         super(stub, SmaliElementTypes.METHOD_PARAM_LIST);
     47     }
     48 
     49     public SmaliMethodParamList(@NotNull ASTNode node) {
     50         super(node);
     51     }
     52 
     53     @NotNull @Override public SmaliMethodParameter[] getParameters() {
     54         return getStubOrPsiChildren(SmaliElementTypes.METHOD_PARAMETER, new SmaliMethodParameter[0]);
     55     }
     56 
     57     @Override public int getParameterIndex(PsiParameter parameter) {
     58         if (!(parameter instanceof SmaliMethodParameter)) {
     59             return -1;
     60         }
     61         return Arrays.asList(getParameters()).indexOf(parameter);
     62     }
     63 
     64     @Override public int getParametersCount() {
     65         return getParameters().length;
     66     }
     67 
     68     /**
     69      * Returns the number of registers needed for the parameters in this parameter list
     70      *
     71      * Note: this does *not* include the implicit "this" parameter, if applicable
     72      */
     73     public int getParameterRegisterCount() {
     74         int count = 0;
     75         for (SmaliMethodParameter param: getParameters()) {
     76             count += param.getRegisterCount();
     77         }
     78         return count;
     79     }
     80 }
     81