| /* |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * 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, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.jf.smalidea.dexlib.instruction; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Lists; |
| import com.intellij.psi.PsiType; |
| import org.jf.dexlib2.Opcode; |
| import org.jf.dexlib2.ReferenceType; |
| import org.jf.dexlib2.iface.instruction.Instruction; |
| import org.jf.dexlib2.iface.reference.Reference; |
| import org.jf.dexlib2.immutable.reference.ImmutableFieldReference; |
| import org.jf.dexlib2.immutable.reference.ImmutableMethodReference; |
| import org.jf.dexlib2.immutable.reference.ImmutableStringReference; |
| import org.jf.dexlib2.immutable.reference.ImmutableTypeReference; |
| import org.jf.smalidea.psi.impl.*; |
| import org.jf.smalidea.util.NameUtils; |
| import org.jf.smalidea.util.StringUtils; |
| |
| import javax.annotation.Nonnull; |
| import javax.annotation.Nullable; |
| import java.util.List; |
| |
| public abstract class SmalideaInstruction implements Instruction { |
| @Nonnull protected final SmaliInstruction psiInstruction; |
| |
| protected SmalideaInstruction(@Nonnull SmaliInstruction instruction) { |
| this.psiInstruction = instruction; |
| } |
| |
| @Nonnull |
| public static SmalideaInstruction of(SmaliInstruction instruction) { |
| switch (instruction.getOpcode().format) { |
| case Format10t: |
| return new SmalideaInstruction10t(instruction); |
| case Format10x: |
| return new SmalideaInstruction10x(instruction); |
| case Format11n: |
| return new SmalideaInstruction11n(instruction); |
| case Format11x: |
| return new SmalideaInstruction11x(instruction); |
| case Format12x: |
| return new SmalideaInstruction12x(instruction); |
| case Format20t: |
| return new SmalideaInstruction20t(instruction); |
| case Format21c: |
| return new SmalideaInstruction21c(instruction); |
| case Format21ih: |
| return new SmalideaInstruction21ih(instruction); |
| case Format21lh: |
| return new SmalideaInstruction21lh(instruction); |
| case Format21s: |
| return new SmalideaInstruction21s(instruction); |
| case Format21t: |
| return new SmalideaInstruction21t(instruction); |
| case Format22b: |
| return new SmalideaInstruction22b(instruction); |
| case Format22c: |
| return new SmalideaInstruction22c(instruction); |
| case Format22s: |
| return new SmalideaInstruction22s(instruction); |
| case Format22t: |
| return new SmalideaInstruction22t(instruction); |
| case Format22x: |
| return new SmalideaInstruction22x(instruction); |
| case Format23x: |
| return new SmalideaInstruction23x(instruction); |
| case Format30t: |
| return new SmalideaInstruction30t(instruction); |
| case Format31c: |
| return new SmalideaInstruction31c(instruction); |
| case Format31i: |
| return new SmalideaInstruction31i(instruction); |
| case Format31t: |
| return new SmalideaInstruction31t(instruction); |
| case Format32x: |
| return new SmalideaInstruction32x(instruction); |
| case Format35c: |
| return new SmalideaInstruction35c(instruction); |
| case Format3rc: |
| return new SmalideaInstruction3rc(instruction); |
| case Format51l: |
| return new SmalideaInstruction51l(instruction); |
| case PackedSwitchPayload: |
| return new SmalideaPackedSwitchPayload(instruction); |
| case SparseSwitchPayload: |
| return new SmalideaSparseSwitchPayload(instruction); |
| case ArrayPayload: |
| return new SmalideaArrayPayload(instruction); |
| default: |
| throw new RuntimeException("Unexpected instruction type"); |
| } |
| } |
| |
| @Nonnull public Opcode getOpcode() { |
| return psiInstruction.getOpcode(); |
| } |
| |
| public int getCodeUnits() { |
| return getOpcode().format.size / 2; |
| } |
| |
| public int getCodeOffset() { |
| SmaliLabelReference labelReference = psiInstruction.getTarget(); |
| if (labelReference == null) { |
| return -1; |
| } |
| |
| SmaliLabel label = labelReference.resolve(); |
| if (label == null) { |
| return -1; |
| } |
| return (label.getOffset() - psiInstruction.getOffset())/2; |
| } |
| |
| public int getRegisterCount() { |
| return psiInstruction.getRegisterCount(); |
| } |
| |
| public int getRegisterA() { |
| return psiInstruction.getRegister(0); |
| } |
| |
| public int getRegisterB() { |
| return psiInstruction.getRegister(1); |
| } |
| |
| public int getRegisterC() { |
| return psiInstruction.getRegister(2); |
| } |
| |
| public int getNarrowLiteral() { |
| SmaliLiteral literal = psiInstruction.getLiteral(); |
| if (literal == null) { |
| return 0; |
| } |
| return (int)literal.getIntegralValue(); |
| } |
| |
| public long getWideLiteral() { |
| SmaliLiteral literal = psiInstruction.getLiteral(); |
| if (literal == null) { |
| return 0; |
| } |
| return literal.getIntegralValue(); |
| } |
| |
| @Nonnull public Reference getReference() { |
| switch (getReferenceType()) { |
| case ReferenceType.STRING: |
| return new ImmutableStringReference(StringUtils.parseQuotedString( |
| psiInstruction.getLiteral().getText())); |
| case ReferenceType.TYPE: |
| SmaliTypeElement typeReference = psiInstruction.getTypeReference(); |
| assert typeReference != null; |
| return new ImmutableTypeReference(typeReference.getText()); |
| case ReferenceType.METHOD: |
| SmaliMethodReference methodReference = psiInstruction.getMethodReference(); |
| assert methodReference != null; |
| String containingClass = methodReference.getContainingType().getText(); |
| List<String> paramTypes = |
| Lists.transform(methodReference.getParameterTypes(), new Function<PsiType, String>() { |
| @Nullable @Override public String apply(@Nullable PsiType psiType) { |
| if (psiType == null) { |
| return null; |
| } |
| return NameUtils.javaToSmaliType(psiType); |
| } |
| }); |
| |
| return new ImmutableMethodReference(containingClass, |
| methodReference.getName(), |
| paramTypes, |
| methodReference.getReturnType().getText()); |
| case ReferenceType.FIELD: |
| SmaliFieldReference fieldReference = psiInstruction.getFieldReference(); |
| assert fieldReference != null; |
| containingClass = fieldReference.getContainingType().getText(); |
| return new ImmutableFieldReference(containingClass, |
| fieldReference.getName(), |
| fieldReference.getFieldType().getText()); |
| } |
| assert false; |
| return null; |
| } |
| |
| public int getReferenceType() { |
| return psiInstruction.getOpcode().referenceType; |
| } |
| |
| } |