| /* |
| * Copyright 2013, 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.dexlib2.analysis; |
| |
| import com.google.common.io.Files; |
| import org.jf.dexlib2.iface.ClassDef; |
| import org.jf.dexlib2.iface.Method; |
| import org.jf.dexlib2.iface.instruction.InlineIndexInstruction; |
| import org.jf.dexlib2.immutable.ImmutableMethod; |
| import org.jf.dexlib2.immutable.ImmutableMethodParameter; |
| import org.jf.dexlib2.immutable.reference.ImmutableMethodReference; |
| import org.jf.dexlib2.immutable.util.ParamUtil; |
| |
| import javax.annotation.Nonnull; |
| import java.io.*; |
| import java.nio.charset.Charset; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class CustomInlineMethodResolver extends InlineMethodResolver { |
| @Nonnull private final ClassPath classPath; |
| @Nonnull private final Method[] inlineMethods; |
| |
| public CustomInlineMethodResolver(@Nonnull ClassPath classPath, @Nonnull String inlineTable) { |
| this.classPath = classPath; |
| |
| StringReader reader = new StringReader(inlineTable); |
| List<String> lines = new ArrayList<String>(); |
| |
| BufferedReader br = new BufferedReader(reader); |
| |
| try { |
| String line = br.readLine(); |
| |
| while (line != null) { |
| if (line.length() > 0) { |
| lines.add(line); |
| } |
| |
| line = br.readLine(); |
| } |
| } catch (IOException ex) { |
| throw new RuntimeException("Error while parsing inline table", ex); |
| } |
| |
| inlineMethods = new Method[lines.size()]; |
| |
| for (int i=0; i<inlineMethods.length; i++) { |
| inlineMethods[i] = parseAndResolveInlineMethod(lines.get(i)); |
| } |
| } |
| |
| public CustomInlineMethodResolver(@Nonnull ClassPath classPath, @Nonnull File inlineTable) throws IOException { |
| this(classPath, Files.toString(inlineTable, Charset.forName("UTF-8"))); |
| } |
| |
| @Override |
| @Nonnull |
| public Method resolveExecuteInline(@Nonnull AnalyzedInstruction analyzedInstruction) { |
| InlineIndexInstruction instruction = (InlineIndexInstruction)analyzedInstruction.instruction; |
| int methodIndex = instruction.getInlineIndex(); |
| |
| if (methodIndex < 0 || methodIndex >= inlineMethods.length) { |
| throw new RuntimeException("Invalid method index: " + methodIndex); |
| } |
| return inlineMethods[methodIndex]; |
| } |
| |
| private static final Pattern longMethodPattern = Pattern.compile("(L[^;]+;)->([^(]+)\\(([^)]*)\\)(.+)"); |
| |
| @Nonnull |
| private Method parseAndResolveInlineMethod(@Nonnull String inlineMethod) { |
| Matcher m = longMethodPattern.matcher(inlineMethod); |
| if (!m.matches()) { |
| assert false; |
| throw new RuntimeException("Invalid method descriptor: " + inlineMethod); |
| } |
| |
| String className = m.group(1); |
| String methodName = m.group(2); |
| Iterable<ImmutableMethodParameter> methodParams = ParamUtil.parseParamString(m.group(3)); |
| String methodRet = m.group(4); |
| ImmutableMethodReference methodRef = new ImmutableMethodReference(className, methodName, methodParams, |
| methodRet); |
| |
| int accessFlags = 0; |
| |
| boolean resolved = false; |
| TypeProto typeProto = classPath.getClass(className); |
| if (typeProto instanceof ClassProto) { |
| ClassDef classDef = ((ClassProto)typeProto).getClassDef(); |
| for (Method method: classDef.getMethods()) { |
| if (method.equals(methodRef)) { |
| resolved = true; |
| accessFlags = method.getAccessFlags(); |
| break; |
| } |
| } |
| } |
| |
| if (!resolved) { |
| throw new RuntimeException("Cannot resolve inline method: " + inlineMethod); |
| } |
| |
| return new ImmutableMethod(className, methodName, methodParams, methodRet, accessFlags, null, null); |
| } |
| } |