| // Copyright (c) 2020, 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.naming.mappinginformation; |
| |
| import com.android.tools.r8.DiagnosticsHandler; |
| import com.android.tools.r8.naming.MemberNaming.MethodSignature; |
| import com.android.tools.r8.naming.MemberNaming.Signature; |
| import com.google.gson.JsonArray; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonObject; |
| |
| public abstract class SignatureMappingInformation extends MappingInformation { |
| |
| private static final String SIGNATURE_KEY = "signature"; |
| |
| SignatureMappingInformation(int lineNumber) { |
| super(lineNumber); |
| } |
| |
| @Override |
| public boolean isSignatureMappingInformation() { |
| return true; |
| } |
| |
| @Override |
| public SignatureMappingInformation asSignatureMappingInformation() { |
| return this; |
| } |
| |
| public abstract Signature getSignature(); |
| |
| public abstract Signature apply( |
| Signature originalSignature, String renamedName, DiagnosticsHandler diagnosticsHandler); |
| |
| JsonObject serializeMethodSignature(JsonObject object, MethodSignature signature) { |
| JsonArray signatureArr = new JsonArray(); |
| signatureArr.add(signature.type); |
| signatureArr.add(signature.name); |
| for (String parameter : signature.parameters) { |
| signatureArr.add(parameter); |
| } |
| object.add(SIGNATURE_KEY, signatureArr); |
| return object; |
| } |
| |
| static MethodSignature getMethodSignature( |
| JsonObject object, String id, DiagnosticsHandler diagnosticsHandler, int lineNumber) { |
| JsonElement signatureElement = |
| getJsonElementFromObject(object, diagnosticsHandler, lineNumber, SIGNATURE_KEY, id); |
| if (signatureElement == null || !signatureElement.isJsonArray()) { |
| return null; |
| } |
| // Signature will be [returnType, name, param1, param2, ...]. |
| JsonArray signature = signatureElement.getAsJsonArray(); |
| String[] parameters = new String[signature.size() - 2]; |
| for (int i = 2; i < signature.size(); i++) { |
| parameters[i - 2] = signature.get(i).getAsString(); |
| } |
| return new MethodSignature( |
| signature.get(1).getAsString(), signature.get(0).getAsString(), parameters); |
| } |
| } |