/*
* Copyright (C) 2015-2017 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac.handlers.singulars;
import static lombok.javac.Javac.*;
import static lombok.javac.handlers.JavacHandlerUtil.*;
import java.util.Collections;
import lombok.core.handlers.HandlerUtil;
import lombok.javac.JavacNode;
import lombok.javac.JavacTreeMaker;
import lombok.javac.handlers.JavacHandlerUtil;
import lombok.javac.handlers.JavacSingularsRecipes.SingularData;
import com.sun.tools.javac.code.Flags;
import com.sun.tools.javac.code.Symtab;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCBlock;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCModifiers;
import com.sun.tools.javac.tree.JCTree.JCStatement;
import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.ListBuffer;
import com.sun.tools.javac.util.Name;
abstract class JavacJavaUtilListSetSingularizer extends JavacJavaUtilSingularizer {
@Override public java.util.List<Name> listFieldsToBeGenerated(SingularData data, JavacNode builderType) {
if (useGuavaInstead(builderType)) {
return guavaListSetSingularizer.listFieldsToBeGenerated(data, builderType);
}
return super.listFieldsToBeGenerated(data, builderType);
}
@Override public java.util.List<Name> listMethodsToBeGenerated(SingularData data, JavacNode builderType) {
if (useGuavaInstead(builderType)) {
return guavaListSetSingularizer.listMethodsToBeGenerated(data, builderType);
}
return super.listMethodsToBeGenerated(data, builderType);
}
@Override public java.util.List<JavacNode> generateFields(SingularData data, JavacNode builderType, JCTree source) {
if (useGuavaInstead(builderType)) {
return guavaListSetSingularizer.generateFields(data, builderType, source);
}
JavacTreeMaker maker = builderType.getTreeMaker();
JCExpression type = JavacHandlerUtil.chainDots(builderType, "java", "util", "ArrayList");
type = addTypeArgs(1, false, builderType, type, data.getTypeArgs(), source);
JCVariableDecl buildField = maker.VarDef(maker.Modifiers(Flags.PRIVATE), data.getPluralName(), type, null);
return Collections.singletonList(injectFieldAndMarkGenerated(builderType, buildField));
}
@Override public void generateMethods(SingularData data, boolean deprecate, JavacNode builderType, JCTree source, boolean fluent, boolean chain) {
if (useGuavaInstead(builderType)) {
guavaListSetSingularizer.generateMethods(data, deprecate, builderType, source, fluent, chain);
return;
}
JavacTreeMaker maker = builderType.getTreeMaker();
Symtab symbolTable = builderType.getSymbolTable();
Name thisName = builderType.toName("this");
JCExpression returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(symbolTable, CTC_VOID));
JCStatement returnStatement = chain ? maker.Return(maker.Ident(thisName)) : null;
generateSingularMethod(deprecate, maker, returnType, returnStatement, data, builderType, source, fluent);
returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(symbolTable, CTC_VOID));
returnStatement = chain ? maker.Return(maker.Ident(thisName)) : null;
generatePluralMethod(deprecate, maker, returnType, returnStatement, data, builderType, source, fluent);
returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(symbolTable, CTC_VOID));
returnStatement = chain ? maker.Return(maker.Ident(thisName)) : null;
generateClearMethod(deprecate, maker, returnType, returnStatement, data, builderType, source);
}
private void generateClearMethod(boolean deprecate, JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source) {
JCModifiers mods = makeMods(maker, builderType, deprecate);
List<JCTypeParameter> typeParams = List.nil();
List<JCExpression> thrown = List.nil();
List<JCVariableDecl> params = List.nil();
List<JCExpression> jceBlank = List.nil();
JCExpression thisDotField = maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName());
JCExpression thisDotFieldDotClear = maker.Select(maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName()), builderType.toName("clear"));
JCStatement clearCall = maker.Exec(maker.Apply(jceBlank, thisDotFieldDotClear, jceBlank));
JCExpression cond = maker.Binary(CTC_NOT_EQUAL, thisDotField, maker.Literal(CTC_BOT, null));
JCStatement ifSetCallClear = maker.If(cond, clearCall, null);
List<JCStatement> statements = returnStatement != null ? List.of(ifSetCallClear, returnStatement) : List.of(ifSetCallClear);
JCBlock body = maker.Block(0, statements);
Name methodName = builderType.toName(HandlerUtil.buildAccessorName("clear", data.getPluralName().toString()));
JCMethodDecl method = maker.MethodDef(mods, methodName, returnType, typeParams, params, thrown, body, null);
injectMethod(builderType, method);
}
void generateSingularMethod(boolean deprecate, JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) {
List<JCTypeParameter> typeParams = List.nil();
List<JCExpression> thrown = List.nil();
JCModifiers mods = makeMods(maker, builderType, deprecate);
ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, false, source));
JCExpression thisDotFieldDotAdd = chainDots(builderType, "this", data.getPluralName().toString(), "add");
JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotFieldDotAdd, List.<JCExpression>of(maker.Ident(data.getSingularName())));
statements.append(maker.Exec(invokeAdd));
if (returnStatement != null) statements.append(returnStatement);
JCBlock body = maker.Block(0, statements.toList());
Name name = data.getSingularName();
long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext());
if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("add", name.toString()));
JCExpression paramType = cloneParamType(0, maker, data.getTypeArgs(), builderType, source);
JCVariableDecl param = maker.VarDef(maker.Modifiers(paramFlags), data.getSingularName(), paramType, null);
JCMethodDecl method = maker.MethodDef(mods, name, returnType, typeParams, List.of(param), thrown, body, null);
injectMethod(builderType, method);
}
void generatePluralMethod(boolean deprecate, JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) {
List<JCTypeParameter> typeParams = List.nil();
List<JCExpression> thrown = List.nil();
JCModifiers mods = makeMods(maker, builderType, deprecate);
ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, false, source));
JCExpression thisDotFieldDotAdd = chainDots(builderType, "this", data.getPluralName().toString(), "addAll");
JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotFieldDotAdd, List.<JCExpression>of(maker.Ident(data.getPluralName())));
statements.append(maker.Exec(invokeAdd));
if (returnStatement != null) statements.append(returnStatement);
JCBlock body = maker.Block(0, statements.toList());
Name name = data.getPluralName();
long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext());
if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("addAll", name.toString()));
JCExpression paramType = chainDots(builderType, "java", "util", "Collection");
paramType = addTypeArgs(1, true, builderType, paramType, data.getTypeArgs(), source);
JCVariableDecl param = maker.VarDef(maker.Modifiers(paramFlags), data.getPluralName(), paramType, null);
JCMethodDecl method = maker.MethodDef(mods, name, returnType, typeParams, List.of(param), thrown, body, null);
injectMethod(builderType, method);
}
}