| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.turbine.type; |
| |
| import static com.google.common.collect.Iterables.getOnlyElement; |
| import static java.util.Objects.requireNonNull; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.turbine.binder.sym.ClassSymbol; |
| import com.google.turbine.diag.SourceFile; |
| import com.google.turbine.model.Const; |
| import com.google.turbine.tree.Tree; |
| import com.google.turbine.tree.Tree.Anno; |
| import com.google.turbine.tree.Tree.Expression; |
| import java.util.Map; |
| import java.util.Objects; |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| |
| /** An annotation use. */ |
| public class AnnoInfo { |
| private final SourceFile source; |
| private final ClassSymbol sym; |
| private final Tree.Anno tree; |
| private final ImmutableMap<String, Const> values; |
| |
| public AnnoInfo( |
| SourceFile source, ClassSymbol sym, Anno tree, ImmutableMap<String, Const> values) { |
| this.source = source; |
| this.sym = sym; |
| this.tree = tree; |
| this.values = requireNonNull(values); |
| } |
| |
| /** The annotation's source, for diagnostics. */ |
| public SourceFile source() { |
| return source; |
| } |
| |
| /** The annotation's diagnostic position. */ |
| public int position() { |
| return tree.position(); |
| } |
| |
| /** Arguments, either assignments or a single expression. */ |
| public ImmutableList<Expression> args() { |
| return tree.args(); |
| } |
| |
| /** Bound element-value pairs. */ |
| public ImmutableMap<String, Const> values() { |
| return values; |
| } |
| |
| /** The annotation's declaration. */ |
| public ClassSymbol sym() { |
| return sym; |
| } |
| |
| public Tree.Anno tree() { |
| return tree; |
| } |
| |
| public AnnoInfo withValues(ImmutableMap<String, Const> values) { |
| return new AnnoInfo(source, sym, tree, values); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(sym, values); |
| } |
| |
| @Override |
| public boolean equals(@Nullable Object obj) { |
| if (!(obj instanceof AnnoInfo)) { |
| return false; |
| } |
| AnnoInfo that = (AnnoInfo) obj; |
| return sym.equals(that.sym) && values.equals(that.values); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append('@').append(sym.binaryName().replace('/', '.').replace('$', '.')); |
| boolean first = true; |
| if (values != null && !values.isEmpty()) { |
| sb.append('('); |
| if (values.size() == 1 && values.containsKey("value")) { |
| sb.append(getOnlyElement(values.values())); |
| } else { |
| for (Map.Entry<String, Const> e : values.entrySet()) { |
| if (!first) { |
| sb.append(", "); |
| } |
| sb.append(e.getKey()).append('=').append(e.getValue()); |
| first = false; |
| } |
| } |
| sb.append(')'); |
| } |
| return sb.toString(); |
| } |
| } |