| // Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.dex.code; |
| |
| import com.android.tools.r8.dex.IndexedItemCollection; |
| import com.android.tools.r8.errors.Unreachable; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexField; |
| import com.android.tools.r8.graph.GraphLens; |
| import com.android.tools.r8.graph.ObjectToOffsetMapping; |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.graph.UseRegistry; |
| import com.android.tools.r8.ir.conversion.IRBuilder; |
| import com.android.tools.r8.ir.conversion.LensCodeRewriterUtils; |
| import com.android.tools.r8.utils.RetracerForCodePrinting; |
| import com.android.tools.r8.utils.structural.CompareToVisitor; |
| import com.android.tools.r8.utils.structural.HashingVisitor; |
| import com.android.tools.r8.utils.structural.StructuralSpecification; |
| import it.unimi.dsi.fastutil.ints.IntArrayList; |
| import it.unimi.dsi.fastutil.ints.IntList; |
| import java.nio.ShortBuffer; |
| import java.util.Arrays; |
| |
| public class DexRecordFieldValues extends DexInstruction { |
| |
| public static final String NAME = "RecordFieldValues"; |
| public static final String SMALI_NAME = "record-field-values*"; |
| |
| private final int outRegister; |
| private final int[] arguments; |
| private final DexField[] fields; |
| |
| public DexRecordFieldValues(int outRegister, int[] arguments, DexField[] fields) { |
| this.outRegister = outRegister; |
| this.arguments = arguments; |
| this.fields = fields; |
| } |
| |
| @Override |
| public void collectIndexedItems( |
| AppView<?> appView, |
| IndexedItemCollection indexedItems, |
| ProgramMethod context, |
| LensCodeRewriterUtils rewriter) { |
| for (DexField field : fields) { |
| field.collectIndexedItems(appView, indexedItems); |
| } |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| |
| @Override |
| public String getSmaliName() { |
| return SMALI_NAME; |
| } |
| |
| @Override |
| public int getOpcode() { |
| throw new Unreachable( |
| "DexRecordFieldValues instructions should always be rewritten into NewArray"); |
| } |
| |
| @Override |
| public int getSize() { |
| return 2; |
| } |
| |
| @Override |
| int getCompareToId() { |
| return DexCompareHelper.DEX_RECORD_FIELD_VALUES_COMPARE_ID; |
| } |
| |
| @Override |
| final int internalAcceptCompareTo(DexInstruction other, CompareToVisitor visitor) { |
| return visitor.visit(this, (DexRecordFieldValues) other, DexRecordFieldValues::specify); |
| } |
| |
| @Override |
| final void internalAcceptHashing(HashingVisitor visitor) { |
| visitor.visit(this, DexRecordFieldValues::specify); |
| } |
| |
| private static void specify(StructuralSpecification<DexRecordFieldValues, ?> spec) { |
| spec.withItemArray(i -> i.fields); |
| } |
| |
| private void appendArguments(StringBuilder builder) { |
| builder.append("{ "); |
| for (int i = 0; i < arguments.length; i++) { |
| if (i != 0) { |
| builder.append(","); |
| } |
| builder.append("v").append(arguments[i]); |
| } |
| builder.append(" }"); |
| } |
| |
| @Override |
| public String toString(RetracerForCodePrinting retracer) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("v").append(outRegister).append(" "); |
| appendArguments(sb); |
| return formatString(sb.toString()); |
| } |
| |
| @Override |
| public String toSmaliString(RetracerForCodePrinting retracer) { |
| return toString(retracer); |
| } |
| |
| @Override |
| public void write( |
| ShortBuffer dest, |
| ProgramMethod context, |
| GraphLens graphLens, |
| GraphLens codeLens, |
| ObjectToOffsetMapping mapping, |
| LensCodeRewriterUtils rewriter) { |
| throw new Unreachable( |
| "DexRecordFieldValues instructions should always be rewritten into NewArray"); |
| } |
| |
| @Override |
| public boolean isRecordFieldValues() { |
| return true; |
| } |
| |
| @Override |
| public void registerUse(UseRegistry registry) { |
| registry.registerRecordFieldValues(fields); |
| } |
| |
| @Override |
| public void buildIR(IRBuilder builder) { |
| IntList parameters = new IntArrayList(); |
| for (int i = 0; i < arguments.length; i++) { |
| parameters.add(arguments[i]); |
| } |
| builder.addRecordFieldValues(fields, parameters, outRegister); |
| } |
| |
| @Override |
| public int hashCode() { |
| return 31 * getClass().hashCode() + Arrays.hashCode(fields); |
| } |
| |
| @Override |
| public boolean canThrow() { |
| return true; |
| } |
| } |