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added singleton builder support for javac: guava lists and sets.
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Reinier Zwitserloot committed
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@@ -0,0 +1,156 @@
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/*
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* Copyright (C) 2015 The Project Lombok Authors.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package lombok.javac.handlers.singulars;
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import static lombok.javac.Javac.*;
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import static lombok.javac.handlers.JavacHandlerUtil.*;
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import java.util.Collections;
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import org.mangosdk.spi.ProviderFor;
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import lombok.core.LombokImmutableList;
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import lombok.core.handlers.HandlerUtil;
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import lombok.javac.JavacNode;
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import lombok.javac.JavacTreeMaker;
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import lombok.javac.handlers.JavacHandlerUtil;
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import lombok.javac.handlers.JavacSingularsRecipes.JavacSingularizer;
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import lombok.javac.handlers.JavacSingularsRecipes.SingularData;
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import com.sun.tools.javac.code.Flags;
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import com.sun.tools.javac.tree.JCTree;
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import com.sun.tools.javac.tree.JCTree.JCBlock;
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import com.sun.tools.javac.tree.JCTree.JCExpression;
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import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
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import com.sun.tools.javac.tree.JCTree.JCModifiers;
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import com.sun.tools.javac.tree.JCTree.JCStatement;
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import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
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import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
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import com.sun.tools.javac.util.List;
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import com.sun.tools.javac.util.ListBuffer;
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import com.sun.tools.javac.util.Name;
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@ProviderFor(JavacSingularizer.class)
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public class JavacGuavaSetListSingularizer extends JavacGuavaSingularizer {
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// TODO all maps
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// TODO com.google.common.collect.ImmutableTable.
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// TODO com.google.common.collect.ImmutableRangeSet.
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// TODO com.google.common.collect.ImmutableMultiset and com.google.common.collect.ImmutableSortedMultiset
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@Override public LombokImmutableList<String> getSupportedTypes() {
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return LombokImmutableList.of(
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"com.google.common.collect.ImmutableCollection",
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"com.google.common.collect.ImmutableList",
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"com.google.common.collect.ImmutableSet",
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"com.google.common.collect.ImmutableSortedSet");
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}
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@Override public java.util.List<JavacNode> generateFields(SingularData data, JavacNode builderType, JCTree source) {
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JavacTreeMaker maker = builderType.getTreeMaker();
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JCExpression type = JavacHandlerUtil.chainDots(builderType, "com", "google", "common", "collect", getSimpleTargetTypeName(data), "Builder");
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type = addTypeArgs(1, false, builderType, type, data.getTypeArgs(), source);
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JCVariableDecl buildField = maker.VarDef(maker.Modifiers(Flags.PRIVATE), data.getPluralName(), type, null);
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return Collections.singletonList(injectField(builderType, buildField));
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}
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@Override public void generateMethods(SingularData data, JavacNode builderType, JCTree source, boolean fluent, boolean chain) {
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JavacTreeMaker maker = builderType.getTreeMaker();
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JCExpression returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(maker, CTC_VOID));
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JCStatement returnStatement = chain ? maker.Return(maker.Ident(builderType.toName("this"))) : null;
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generateSingularMethod(maker, returnType, returnStatement, data, builderType, source, fluent);
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returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(maker, CTC_VOID));
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returnStatement = chain ? maker.Return(maker.Ident(builderType.toName("this"))) : null;
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generatePluralMethod(maker, returnType, returnStatement, data, builderType, source, fluent);
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}
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private void generateSingularMethod(JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) {
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List<JCTypeParameter> typeParams = List.nil();
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List<JCExpression> thrown = List.nil();
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JCModifiers mods = maker.Modifiers(Flags.PUBLIC);
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ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
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statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, false, source));
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JCExpression thisDotFieldDotAdd = chainDots(builderType, "this", data.getPluralName().toString(), "add");
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JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotFieldDotAdd, List.<JCExpression>of(maker.Ident(data.getSingularName())));
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statements.append(maker.Exec(invokeAdd));
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if (returnStatement != null) statements.append(returnStatement);
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JCBlock body = maker.Block(0, statements.toList());
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Name name = data.getSingularName();
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long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext());
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if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("add", name.toString()));
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JCExpression paramType = cloneParamType(0, maker, data.getTypeArgs(), builderType, source);
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JCVariableDecl param = maker.VarDef(maker.Modifiers(paramFlags), data.getSingularName(), paramType, null);
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JCMethodDecl method = maker.MethodDef(mods, name, returnType, typeParams, List.of(param), thrown, body, null);
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injectMethod(builderType, method);
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}
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private void generatePluralMethod(JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) {
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List<JCTypeParameter> typeParams = List.nil();
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List<JCExpression> thrown = List.nil();
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JCModifiers mods = maker.Modifiers(Flags.PUBLIC);
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ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
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statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, false, source));
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JCExpression thisDotFieldDotAdd = chainDots(builderType, "this", data.getPluralName().toString(), "addAll");
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JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotFieldDotAdd, List.<JCExpression>of(maker.Ident(data.getPluralName())));
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statements.append(maker.Exec(invokeAdd));
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if (returnStatement != null) statements.append(returnStatement);
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JCBlock body = maker.Block(0, statements.toList());
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Name name = data.getPluralName();
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long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext());
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if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("addAll", name.toString()));
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JCExpression paramType = chainDots(builderType, "java", "lang", "Iterable");
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paramType = addTypeArgs(1, true, builderType, paramType, data.getTypeArgs(), source);
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JCVariableDecl param = maker.VarDef(maker.Modifiers(paramFlags), data.getPluralName(), paramType, null);
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JCMethodDecl method = maker.MethodDef(mods, name, returnType, typeParams, List.of(param), thrown, body, null);
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injectMethod(builderType, method);
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}
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@Override public void appendBuildCode(SingularData data, JavacNode builderType, JCTree source, ListBuffer<JCStatement> statements, Name targetVariableName) {
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JavacTreeMaker maker = builderType.getTreeMaker();
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List<JCExpression> jceBlank = List.nil();
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JCExpression varType = chainDotsString(builderType, data.getTargetFqn());
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varType = addTypeArgs(1, false, builderType, varType, data.getTypeArgs(), source);
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JCExpression empty; {
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//ImmutableX.of()
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JCExpression emptyMethod = chainDots(builderType, "com", "google", "common", "collect", getSimpleTargetTypeName(data), "of");
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empty = maker.Apply(jceBlank, emptyMethod, jceBlank);
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}
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JCExpression invokeBuild; {
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//this.pluralName.build();
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invokeBuild = maker.Apply(jceBlank, chainDots(builderType, "this", data.getPluralName().toString(), "build"), jceBlank);
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}
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JCExpression isNull; {
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//this.pluralName == null
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isNull = maker.Binary(CTC_EQUAL, maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName()), maker.Literal(CTC_BOT, null));
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}
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JCExpression init = maker.Conditional(isNull, empty, invokeBuild); // this.pluralName == null ? ImmutableX.of() : this.pluralName.build()
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JCStatement jcs = maker.VarDef(maker.Modifiers(0), data.getPluralName(), varType, init);
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statements.append(jcs);
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}
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}
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@@ -0,0 +1,61 @@
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/*
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* Copyright (C) 2015 The Project Lombok Authors.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package lombok.javac.handlers.singulars;
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import static lombok.javac.Javac.*;
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import static lombok.javac.handlers.JavacHandlerUtil.chainDots;
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import com.sun.tools.javac.tree.JCTree;
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import com.sun.tools.javac.tree.JCTree.JCExpression;
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import com.sun.tools.javac.tree.JCTree.JCStatement;
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import com.sun.tools.javac.util.List;
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import lombok.javac.JavacNode;
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import lombok.javac.JavacTreeMaker;
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import lombok.javac.handlers.JavacSingularsRecipes.JavacSingularizer;
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import lombok.javac.handlers.JavacSingularsRecipes.SingularData;
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abstract class JavacGuavaSingularizer extends JavacSingularizer {
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protected String getSimpleTargetTypeName(SingularData data) {
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String simpleTypeName = data.getTargetSimpleType();
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if ("ImmutableCollection".equals(simpleTypeName)) return "ImmutableList";
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return simpleTypeName;
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}
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protected String getBuilderMethodName(SingularData data) {
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if (data.getTargetSimpleType().equals("ImmutableSortedSet")) return "naturalOrder";
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return "builder";
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}
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protected JCStatement createConstructBuilderVarIfNeeded(JavacTreeMaker maker, SingularData data, JavacNode builderType, boolean mapMode, JCTree source) {
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List<JCExpression> jceBlank = List.nil();
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JCExpression thisDotField = maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName());
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JCExpression thisDotField2 = maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName());
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JCExpression cond = maker.Binary(CTC_EQUAL, thisDotField, maker.Literal(CTC_BOT, null));
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JCExpression create = maker.Apply(jceBlank, chainDots(builderType, "com", "google", "common", "collect", getSimpleTargetTypeName(data), getBuilderMethodName(data)), jceBlank);
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JCStatement thenPart = maker.Exec(maker.Assign(thisDotField2, create));
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return maker.If(cond, thenPart, null);
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}
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}
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@@ -0,0 +1,92 @@
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableCollection;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.ImmutableSortedSet;
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class BuilderSingletonGuavaListsSets<T> {
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private ImmutableList<T> cards;
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private ImmutableCollection<? extends Number> frogs;
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private ImmutableSet rawSet;
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private ImmutableSortedSet<String> passes;
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@java.lang.SuppressWarnings("all")
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BuilderSingletonGuavaListsSets(final ImmutableList<T> cards, final ImmutableCollection<? extends Number> frogs, final ImmutableSet rawSet, final ImmutableSortedSet<String> passes) {
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this.cards = cards;
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this.frogs = frogs;
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this.rawSet = rawSet;
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this.passes = passes;
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}
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@java.lang.SuppressWarnings("all")
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public static class BuilderSingletonGuavaListsSetsBuilder<T> {
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private com.google.common.collect.ImmutableList.Builder<T> cards;
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private com.google.common.collect.ImmutableList.Builder<Number> frogs;
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private com.google.common.collect.ImmutableSet.Builder<java.lang.Object> rawSet;
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private com.google.common.collect.ImmutableSortedSet.Builder<String> passes;
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@java.lang.SuppressWarnings("all")
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BuilderSingletonGuavaListsSetsBuilder() {
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> card(final T card) {
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if (this.cards == null) this.cards = com.google.common.collect.ImmutableList.builder();
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this.cards.add(card);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> cards(final java.lang.Iterable<? extends T> cards) {
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if (this.cards == null) this.cards = com.google.common.collect.ImmutableList.builder();
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this.cards.addAll(cards);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> frog(final Number frog) {
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if (this.frogs == null) this.frogs = com.google.common.collect.ImmutableList.builder();
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this.frogs.add(frog);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> frogs(final java.lang.Iterable<? extends Number> frogs) {
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if (this.frogs == null) this.frogs = com.google.common.collect.ImmutableList.builder();
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this.frogs.addAll(frogs);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> rawSet(final java.lang.Object rawSet) {
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if (this.rawSet == null) this.rawSet = com.google.common.collect.ImmutableSet.builder();
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this.rawSet.add(rawSet);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> rawSet(final java.lang.Iterable<?> rawSet) {
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if (this.rawSet == null) this.rawSet = com.google.common.collect.ImmutableSet.builder();
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this.rawSet.addAll(rawSet);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> pass(final String pass) {
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if (this.passes == null) this.passes = com.google.common.collect.ImmutableSortedSet.naturalOrder();
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this.passes.add(pass);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSetsBuilder<T> passes(final java.lang.Iterable<? extends String> passes) {
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if (this.passes == null) this.passes = com.google.common.collect.ImmutableSortedSet.naturalOrder();
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this.passes.addAll(passes);
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return this;
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}
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@java.lang.SuppressWarnings("all")
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public BuilderSingletonGuavaListsSets<T> build() {
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com.google.common.collect.ImmutableList<T> cards = this.cards == null ? com.google.common.collect.ImmutableList.of() : this.cards.build();
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com.google.common.collect.ImmutableCollection<Number> frogs = this.frogs == null ? com.google.common.collect.ImmutableList.of() : this.frogs.build();
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com.google.common.collect.ImmutableSet<java.lang.Object> rawSet = this.rawSet == null ? com.google.common.collect.ImmutableSet.of() : this.rawSet.build();
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com.google.common.collect.ImmutableSortedSet<String> passes = this.passes == null ? com.google.common.collect.ImmutableSortedSet.of() : this.passes.build();
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return new BuilderSingletonGuavaListsSets<T>(cards, frogs, rawSet, passes);
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}
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@java.lang.Override
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@java.lang.SuppressWarnings("all")
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public java.lang.String toString() {
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return "BuilderSingletonGuavaListsSets.BuilderSingletonGuavaListsSetsBuilder(cards=" + this.cards + ", frogs=" + this.frogs + ", rawSet=" + this.rawSet + ", passes=" + this.passes + ")";
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}
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}
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@java.lang.SuppressWarnings("all")
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public static <T> BuilderSingletonGuavaListsSetsBuilder<T> builder() {
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return new BuilderSingletonGuavaListsSetsBuilder<T>();
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}
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}
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@@ -0,0 +1,14 @@
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableCollection;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.ImmutableSortedSet;
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import lombok.Singular;
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@lombok.Builder
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class BuilderSingletonGuavaListsSets<T> {
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@Singular private ImmutableList<T> cards;
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@Singular private ImmutableCollection<? extends Number> frogs;
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@Singular("rawSet") private ImmutableSet rawSet;
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@Singular private ImmutableSortedSet<String> passes;
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}
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