diff options
Diffstat (limited to 'src/core/lombok')
5 files changed, 368 insertions, 72 deletions
diff --git a/src/core/lombok/javac/handlers/HandleBuilder.java b/src/core/lombok/javac/handlers/HandleBuilder.java index 86812193..a81d8bf7 100644 --- a/src/core/lombok/javac/handlers/HandleBuilder.java +++ b/src/core/lombok/javac/handlers/HandleBuilder.java @@ -81,7 +81,7 @@ public class HandleBuilder extends JavacAnnotationHandler<Builder> { Name name; SingularData singularData; - JavacNode mainCreatedField; + java.util.List<JavacNode> createdFields = new ArrayList<JavacNode>(); } @Override public void handle(AnnotationValues<Builder> annotation, JCAnnotation ast, JavacNode annotationNode) { @@ -260,8 +260,7 @@ public class HandleBuilder extends JavacAnnotationHandler<Builder> { if (methodExists("toString", builderType, 0) == MemberExistsResult.NOT_EXISTS) { java.util.List<JavacNode> fieldNodes = new ArrayList<JavacNode>(); for (BuilderFieldData bfd : builderFields) { - JavacNode mcf = bfd.mainCreatedField; - if (mcf != null) fieldNodes.add(mcf); + fieldNodes.addAll(bfd.createdFields); } JCMethodDecl md = HandleToString.createToString(builderType, fieldNodes, true, false, FieldAccess.ALWAYS_FIELD, ast); if (md != null) injectMethod(builderType, md); @@ -382,26 +381,26 @@ public class HandleBuilder extends JavacAnnotationHandler<Builder> { for (int i = len - 1; i >= 0; i--) { BuilderFieldData bfd = builderFields.get(i); if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) { - bfd.mainCreatedField = bfd.singularData.getSingularizer().generateFields(bfd.singularData, builderType, source); + bfd.createdFields.addAll(bfd.singularData.getSingularizer().generateFields(bfd.singularData, builderType, source)); } else { for (JavacNode exists : existing) { Name n = ((JCVariableDecl) exists.get()).name; if (n.equals(bfd.name)) { - bfd.mainCreatedField = exists; + bfd.createdFields.add(exists); continue top; } } JavacTreeMaker maker = builderType.getTreeMaker(); JCModifiers mods = maker.Modifiers(Flags.PRIVATE); JCVariableDecl newField = maker.VarDef(mods, bfd.name, cloneType(maker, bfd.type, source, builderType.getContext()), null); - bfd.mainCreatedField = injectField(builderType, newField); + bfd.createdFields.add(injectField(builderType, newField)); } } } public void makeSetterMethodForBuilder(JavacNode builderType, BuilderFieldData fieldNode, JavacNode source, boolean fluent, boolean chain) { if (fieldNode.singularData == null || fieldNode.singularData.getSingularizer() == null) { - makeSimpleSetterMethodForBuilder(builderType, fieldNode.mainCreatedField, source, fluent, chain); + makeSimpleSetterMethodForBuilder(builderType, fieldNode.createdFields.get(0), source, fluent, chain); } else { fieldNode.singularData.getSingularizer().generateMethods(fieldNode.singularData, builderType, source.get(), fluent, chain); } diff --git a/src/core/lombok/javac/handlers/JavacSingularsRecipes.java b/src/core/lombok/javac/handlers/JavacSingularsRecipes.java index f1804ac8..5055f872 100644 --- a/src/core/lombok/javac/handlers/JavacSingularsRecipes.java +++ b/src/core/lombok/javac/handlers/JavacSingularsRecipes.java @@ -21,6 +21,7 @@ */ package lombok.javac.handlers; +import static lombok.javac.Javac.*; import static lombok.javac.handlers.JavacHandlerUtil.*; import java.io.IOException; @@ -126,12 +127,17 @@ public class JavacSingularsRecipes { public JavacSingularizer getSingularizer() { return singularizer; } + + public String getTargetSimpleType() { + int idx = targetFqn.lastIndexOf("."); + return idx == -1 ? targetFqn : targetFqn.substring(idx + 1); + } } public static abstract class JavacSingularizer { public abstract LombokImmutableList<String> getSupportedTypes(); - public abstract JavacNode generateFields(SingularData data, JavacNode builderType, JCTree source); + public abstract java.util.List<JavacNode> generateFields(SingularData data, JavacNode builderType, JCTree source); public abstract void generateMethods(SingularData data, JavacNode builderType, JCTree source, boolean fluent, boolean chain); public abstract void appendBuildCode(SingularData data, JavacNode builderType, JCTree source, ListBuffer<JCStatement> statements, Name targetVariableName); @@ -204,11 +210,35 @@ public class JavacSingularsRecipes { return maker.TypeApply(type, arguments.toList()); } - /** Generates 'this.<em>name</em>.size()' as an expression. */ - protected JCExpression getSize(JavacTreeMaker maker, JavacNode builderType, Name name) { - JCExpression fn = maker.Select(maker.Select(maker.Ident(builderType.toName("this")), name), builderType.toName("size")); - return maker.Apply(List.<JCExpression>nil(), fn, List.<JCExpression>nil()); + /** Generates 'this.<em>name</em>.size()' as an expression; if nullGuard is true, it's this.name == null ? 0 : this.name.size(). */ + protected JCExpression getSize(JavacTreeMaker maker, JavacNode builderType, Name name, boolean nullGuard) { + Name thisName = builderType.toName("this"); + JCExpression fn = maker.Select(maker.Select(maker.Ident(thisName), name), builderType.toName("size")); + JCExpression sizeInvoke = maker.Apply(List.<JCExpression>nil(), fn, List.<JCExpression>nil()); + if (nullGuard) { + JCExpression isNull = maker.Binary(CTC_EQUAL, maker.Select(maker.Ident(thisName), name), maker.Literal(CTC_BOT, 0)); + return maker.Conditional(isNull, maker.Literal(CTC_INT, 0), sizeInvoke); + } + return sizeInvoke; } + protected JCExpression cloneParamType(int index, JavacTreeMaker maker, List<JCExpression> typeArgs, JavacNode builderType, JCTree source) { + if (typeArgs == null || typeArgs.size() <= index) { + return chainDots(builderType, "java", "lang", "Object"); + } else { + JCExpression originalType = typeArgs.get(index); + if (originalType.getKind() == Kind.UNBOUNDED_WILDCARD || originalType.getKind() == Kind.SUPER_WILDCARD) { + return chainDots(builderType, "java", "lang", "Object"); + } else if (originalType.getKind() == Kind.EXTENDS_WILDCARD) { + try { + return cloneType(maker, (JCExpression) ((JCWildcard) originalType).inner, source, builderType.getContext()); + } catch (Exception e) { + return chainDots(builderType, "java", "lang", "Object"); + } + } else { + return cloneType(maker, originalType, source, builderType.getContext()); + } + } + } } } diff --git a/src/core/lombok/javac/handlers/singulars/JavacJavaUtilMapSingularizer.java b/src/core/lombok/javac/handlers/singulars/JavacJavaUtilMapSingularizer.java new file mode 100644 index 00000000..acb1ae8f --- /dev/null +++ b/src/core/lombok/javac/handlers/singulars/JavacJavaUtilMapSingularizer.java @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2015 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.Arrays; + +import lombok.core.LombokImmutableList; +import lombok.core.handlers.HandlerUtil; +import lombok.javac.JavacNode; +import lombok.javac.JavacTreeMaker; +import lombok.javac.handlers.JavacHandlerUtil; +import lombok.javac.handlers.JavacSingularsRecipes.JavacSingularizer; +import lombok.javac.handlers.JavacSingularsRecipes.SingularData; + +import org.mangosdk.spi.ProviderFor; + +import com.sun.tools.javac.code.Flags; +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; + +@ProviderFor(JavacSingularizer.class) +public class JavacJavaUtilMapSingularizer extends JavacJavaUtilSingularizer { + @Override public LombokImmutableList<String> getSupportedTypes() { + return LombokImmutableList.of("java.util.Map", "java.util.SortedMap", "java.util.NavigableMap"); + } + + @Override public java.util.List<JavacNode> generateFields(SingularData data, JavacNode builderType, JCTree source) { + JavacTreeMaker maker = builderType.getTreeMaker(); + + JCVariableDecl buildKeyField; { + JCExpression type = JavacHandlerUtil.chainDots(builderType, "java", "util", "ArrayList"); + type = addTypeArgs(1, false, builderType, type, data.getTypeArgs(), source); + buildKeyField = maker.VarDef(maker.Modifiers(Flags.PRIVATE), builderType.toName(data.getPluralName() + "$key"), type, null); + } + + JCVariableDecl buildValueField; { + JCExpression type = JavacHandlerUtil.chainDots(builderType, "java", "util", "ArrayList"); + List<JCExpression> tArgs = data.getTypeArgs(); + if (tArgs != null && tArgs.size() > 1) tArgs = tArgs.tail; + else tArgs = List.nil(); + type = addTypeArgs(1, false, builderType, type, tArgs, source); + buildValueField = maker.VarDef(maker.Modifiers(Flags.PRIVATE), builderType.toName(data.getPluralName() + "$value"), type, null); + } + + JavacNode valueFieldNode = injectField(builderType, buildValueField); + JavacNode keyFieldNode = injectField(builderType, buildKeyField); + + return Arrays.asList(keyFieldNode, valueFieldNode); + } + + @Override public void generateMethods(SingularData data, JavacNode builderType, JCTree source, boolean fluent, boolean chain) { + JavacTreeMaker maker = builderType.getTreeMaker(); + + JCExpression returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(maker, CTC_VOID)); + JCStatement returnStatement = chain ? maker.Return(maker.Ident(builderType.toName("this"))) : null; + generateSingularMethod(maker, returnType, returnStatement, data, builderType, source, fluent); + + returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(maker, CTC_VOID)); + returnStatement = chain ? maker.Return(maker.Ident(builderType.toName("this"))) : null; + generatePluralMethod(maker, returnType, returnStatement, data, builderType, source, fluent); + } + + private void generateSingularMethod(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 = maker.Modifiers(Flags.PUBLIC); + ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>(); + statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, true, source)); + Name keyName = builderType.toName(data.getSingularName().toString() + "Key"); + Name valueName = builderType.toName(data.getSingularName().toString() + "Value"); + /* this.pluralname$key.add(singularnameKey); */ { + JCExpression thisDotKeyFieldDotAdd = chainDots(builderType, "this", data.getPluralName() + "$key", "add"); + JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotKeyFieldDotAdd, List.<JCExpression>of(maker.Ident(keyName))); + statements.append(maker.Exec(invokeAdd)); + } + /* this.pluralname$value.add(singularnameValue); */ { + JCExpression thisDotValueFieldDotAdd = chainDots(builderType, "this", data.getPluralName() + "$value", "add"); + JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotValueFieldDotAdd, List.<JCExpression>of(maker.Ident(valueName))); + statements.append(maker.Exec(invokeAdd)); + } + if (returnStatement != null) statements.append(returnStatement); + JCBlock body = maker.Block(0, statements.toList()); + long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext()); + + Name name = data.getSingularName(); + if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("put", name.toString())); + JCExpression paramTypeKey = cloneParamType(0, maker, data.getTypeArgs(), builderType, source); + JCExpression paramTypeValue = cloneParamType(1, maker, data.getTypeArgs(), builderType, source); + JCVariableDecl paramKey = maker.VarDef(maker.Modifiers(paramFlags), keyName, paramTypeKey, null); + JCVariableDecl paramValue = maker.VarDef(maker.Modifiers(paramFlags), valueName, paramTypeValue, null); + JCMethodDecl method = maker.MethodDef(mods, name, returnType, typeParams, List.of(paramKey, paramValue), thrown, body, null); + injectMethod(builderType, method); + } + + private void generatePluralMethod(JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) { + List<JCTypeParameter> typeParams = List.nil(); + List<JCExpression> jceBlank = List.nil(); + JCModifiers mods = maker.Modifiers(Flags.PUBLIC); + ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>(); + statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, true, source)); + long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext()); + long baseFlags = JavacHandlerUtil.addFinalIfNeeded(0, builderType.getContext()); + Name entryName = builderType.toName("$lombokEntry"); + + JCExpression forEachType = chainDots(builderType, "java", "util", "Map", "Entry"); + forEachType = addTypeArgs(2, true, builderType, forEachType, data.getTypeArgs(), source); + JCExpression keyArg = maker.Apply(List.<JCExpression>nil(), maker.Select(maker.Ident(entryName), builderType.toName("getKey")), List.<JCExpression>nil()); + JCExpression valueArg = maker.Apply(List.<JCExpression>nil(), maker.Select(maker.Ident(entryName), builderType.toName("getValue")), List.<JCExpression>nil()); + JCExpression addKey = maker.Apply(List.<JCExpression>nil(), chainDots(builderType, "this", data.getPluralName() + "$key", "add"), List.of(keyArg)); + JCExpression addValue = maker.Apply(List.<JCExpression>nil(), chainDots(builderType, "this", data.getPluralName() + "$value", "add"), List.of(valueArg)); + JCBlock forEachBody = maker.Block(0, List.<JCStatement>of(maker.Exec(addKey), maker.Exec(addValue))); + JCExpression entrySetInvocation = maker.Apply(jceBlank, maker.Select(maker.Ident(data.getPluralName()), builderType.toName("entrySet")), jceBlank); + JCStatement forEach = maker.ForeachLoop(maker.VarDef(maker.Modifiers(baseFlags), entryName, forEachType, null), entrySetInvocation, forEachBody); + statements.append(forEach); + + if (returnStatement != null) statements.append(returnStatement); + JCBlock body = maker.Block(0, statements.toList()); + Name name = data.getPluralName(); + if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("putAll", name.toString())); + JCExpression paramType = chainDots(builderType, "java", "util", "Map"); + paramType = addTypeArgs(2, 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), jceBlank, body, null); + injectMethod(builderType, method); + } + + @Override public void appendBuildCode(SingularData data, JavacNode builderType, JCTree source, ListBuffer<JCStatement> statements, Name targetVariableName) { + JavacTreeMaker maker = builderType.getTreeMaker(); + + if (data.getTargetFqn().equals("java.util.Map")) { + statements.appendList(createJavaUtilSetMapInitialCapacitySwitchStatements(maker, data, builderType, true, "emptyMap", "singletonMap", "LinkedHashMap", source)); + } else { + statements.appendList(createJavaUtilSimpleCreationAndFillStatements(maker, data, builderType, true, true, false, true, "TreeMap", source)); + } + } +} diff --git a/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSetSingularizer.java b/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSetSingularizer.java index 1168b559..16055675 100644 --- a/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSetSingularizer.java +++ b/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSetSingularizer.java @@ -23,6 +23,8 @@ package lombok.javac.handlers.singulars; import static lombok.javac.handlers.JavacHandlerUtil.*; +import java.util.Collections; + import org.mangosdk.spi.ProviderFor; import lombok.core.LombokImmutableList; @@ -34,7 +36,6 @@ import lombok.javac.handlers.JavacHandlerUtil; import lombok.javac.handlers.JavacSingularsRecipes.JavacSingularizer; import lombok.javac.handlers.JavacSingularsRecipes.SingularData; -import com.sun.source.tree.Tree.Kind; import com.sun.tools.javac.code.Flags; import com.sun.tools.javac.tree.JCTree; import com.sun.tools.javac.tree.JCTree.JCBlock; @@ -44,7 +45,6 @@ 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.tree.JCTree.JCWildcard; import com.sun.tools.javac.util.List; import com.sun.tools.javac.util.ListBuffer; import com.sun.tools.javac.util.Name; @@ -55,21 +55,23 @@ public class JavacJavaUtilSetSingularizer extends JavacJavaUtilSingularizer { return LombokImmutableList.of("java.util.Set", "java.util.SortedSet", "java.util.NavigableSet"); } - @Override public JavacNode generateFields(SingularData data, JavacNode builderType, JCTree source) { + @Override public java.util.List<JavacNode> generateFields(SingularData data, JavacNode builderType, JCTree 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 injectField(builderType, buildField); + return Collections.singletonList(injectField(builderType, buildField)); } @Override public void generateMethods(SingularData data, JavacNode builderType, JCTree source, boolean fluent, boolean chain) { JavacTreeMaker maker = builderType.getTreeMaker(); JCExpression returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(maker, CTC_VOID)); JCStatement returnStatement = chain ? maker.Return(maker.Ident(builderType.toName("this"))) : null; - generateSingularMethod(maker, returnType, returnStatement, data, builderType, source, fluent); + + returnType = chain ? cloneSelfType(builderType) : maker.Type(createVoidType(maker, CTC_VOID)); + returnStatement = chain ? maker.Return(maker.Ident(builderType.toName("this"))) : null; generatePluralMethod(maker, returnType, returnStatement, data, builderType, source, fluent); } @@ -78,6 +80,7 @@ public class JavacJavaUtilSetSingularizer extends JavacJavaUtilSingularizer { List<JCExpression> thrown = List.nil(); JCModifiers mods = maker.Modifiers(Flags.PUBLIC); 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)); @@ -86,24 +89,7 @@ public class JavacJavaUtilSetSingularizer extends JavacJavaUtilSingularizer { Name name = data.getSingularName(); long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext()); if (!fluent) name = builderType.toName(HandlerUtil.buildAccessorName("add", name.toString())); - JCExpression paramType; { - if (data.getTypeArgs() == null || data.getTypeArgs().isEmpty()) { - paramType = chainDots(builderType, "java", "lang", "Object"); - } else { - JCExpression originalType = data.getTypeArgs().head; - if (originalType.getKind() == Kind.UNBOUNDED_WILDCARD || originalType.getKind() == Kind.SUPER_WILDCARD) { - paramType = chainDots(builderType, "java", "lang", "Object"); - } else if (originalType.getKind() == Kind.EXTENDS_WILDCARD) { - try { - paramType = cloneType(maker, (JCExpression) ((JCWildcard) originalType).inner, source, builderType.getContext()); - } catch (Exception e) { - paramType = chainDots(builderType, "java", "lang", "Object"); - } - } else { - paramType = cloneType(maker, originalType, source, builderType.getContext()); - } - } - } + 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); @@ -114,6 +100,7 @@ public class JavacJavaUtilSetSingularizer extends JavacJavaUtilSingularizer { List<JCExpression> thrown = List.nil(); JCModifiers mods = maker.Modifiers(Flags.PUBLIC); 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)); @@ -131,24 +118,11 @@ public class JavacJavaUtilSetSingularizer extends JavacJavaUtilSingularizer { @Override public void appendBuildCode(SingularData data, JavacNode builderType, JCTree source, ListBuffer<JCStatement> statements, Name targetVariableName) { JavacTreeMaker maker = builderType.getTreeMaker(); - JCExpression localShadowerType = chainDotsString(builderType, data.getTargetFqn()); - localShadowerType = addTypeArgs(1, false, builderType, localShadowerType, data.getTypeArgs(), source); - JCExpression constructTargetType; { - if (data.getTargetFqn().equals("java.util.Set")) { - JCExpression loadFactor = maker.Literal(CTC_FLOAT, 0.75f); - JCExpression internalType = chainDots(builderType, "java", "util", "LinkedHashSet"); - internalType = addTypeArgs(1, false, builderType, internalType, data.getTypeArgs(), source); - JCExpression initialCapacity = createJavaUtilSetMapInitialCapacityExpression(maker, data, builderType); - constructTargetType = maker.NewClass(null, List.<JCExpression>nil(), internalType, List.<JCExpression>of(initialCapacity, loadFactor), null); - } else { - JCExpression internalType = chainDots(builderType, "java", "util", "TreeSet"); - internalType = addTypeArgs(1, false, builderType, internalType, data.getTypeArgs(), source); - constructTargetType = maker.NewClass(null, List.<JCExpression>nil(), internalType, List.<JCExpression>nil(), null); - } - } - JCVariableDecl varDef = maker.VarDef(maker.Modifiers(0), data.getPluralName(), localShadowerType, constructTargetType); - statements.append(varDef); - stuffJavaUtilCollectionAndWrapWithUnmodifiable(data, builderType, statements, maker, "addAll"); + if (data.getTargetFqn().equals("java.util.Set")) { + statements.appendList(createJavaUtilSetMapInitialCapacitySwitchStatements(maker, data, builderType, false, "emptySet", "singleton", "LinkedHashSet", source)); + } else { + statements.appendList(createJavaUtilSimpleCreationAndFillStatements(maker, data, builderType, false, true, false, true, "TreeSet", source)); + } } } diff --git a/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSingularizer.java b/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSingularizer.java index c6880663..81e277e9 100644 --- a/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSingularizer.java +++ b/src/core/lombok/javac/handlers/singulars/JavacJavaUtilSingularizer.java @@ -22,13 +22,15 @@ package lombok.javac.handlers.singulars; import static lombok.javac.Javac.*; -import static lombok.javac.handlers.JavacHandlerUtil.chainDots; +import static lombok.javac.handlers.JavacHandlerUtil.*; +import com.sun.tools.javac.tree.JCTree; +import com.sun.tools.javac.tree.JCTree.JCCase; import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCFieldAccess; import com.sun.tools.javac.tree.JCTree.JCStatement; import com.sun.tools.javac.util.List; import com.sun.tools.javac.util.ListBuffer; +import com.sun.tools.javac.util.Name; import lombok.javac.JavacNode; import lombok.javac.JavacTreeMaker; @@ -36,24 +38,148 @@ import lombok.javac.handlers.JavacSingularsRecipes.JavacSingularizer; import lombok.javac.handlers.JavacSingularsRecipes.SingularData; public abstract class JavacJavaUtilSingularizer extends JavacSingularizer { - protected JCExpression createJavaUtilSetMapInitialCapacityExpression(JavacTreeMaker maker, SingularData data, JavacNode builderType) { - JCExpression lessThanCutoff = maker.Binary(CTC_LESS_THAN, getSize(maker, builderType, data.getPluralName()), maker.Literal(CTC_INT, 0x40000000)); - JCExpression maxInt = chainDots(builderType, "java", "lang", "Integer", "MAX_VALUE"); - JCExpression belowThree = maker.Binary(CTC_LESS_THAN, getSize(maker, builderType, data.getPluralName()), maker.Literal(CTC_INT, 3)); - JCExpression sizePlusOne = maker.Binary(CTC_PLUS, getSize(maker, builderType, data.getPluralName()), maker.Literal(CTC_INT, 1)); - JCExpression sizeDivThree = maker.Binary(CTC_DIV, getSize(maker, builderType, data.getPluralName()), maker.Literal(CTC_INT, 3)); - JCExpression sizePlusSizeDivThree = maker.Binary(CTC_PLUS, getSize(maker, builderType, data.getPluralName()), sizeDivThree); - JCExpression rest = maker.Conditional(belowThree, sizePlusOne, sizePlusSizeDivThree); - JCExpression initialCapacity = maker.Conditional(lessThanCutoff, rest, maxInt); - return initialCapacity; + protected List<JCStatement> createJavaUtilSetMapInitialCapacitySwitchStatements(JavacTreeMaker maker, SingularData data, JavacNode builderType, boolean mapMode, String emptyCollectionMethod, String singletonCollectionMethod, String targetType, JCTree source) { + List<JCExpression> jceBlank = List.nil(); + ListBuffer<JCCase> cases = new ListBuffer<JCCase>(); + + if (emptyCollectionMethod != null) { // case 0: (empty); break; + JCStatement assignStat; { + // pluralName = java.util.Collections.emptyCollectionMethod(); + JCExpression invoke = maker.Apply(jceBlank, chainDots(builderType, "java", "util", "Collections", emptyCollectionMethod), jceBlank); + assignStat = maker.Exec(maker.Assign(maker.Ident(data.getPluralName()), invoke)); + } + JCStatement breakStat = maker.Break(null); + JCCase emptyCase = maker.Case(maker.Literal(CTC_INT, 0), List.of(assignStat, breakStat)); + cases.append(emptyCase); + } + + if (singletonCollectionMethod != null) { // case 1: (singleton); break; + JCStatement assignStat; { + // !mapMode: pluralName = java.util.Collections.singletonCollectionMethod(this.pluralName.get(0)); + // mapMode: pluralName = java.util.Collections.singletonCollectionMethod(this.pluralName$key.get(0), this.pluralName$value.get(0)); + JCExpression zeroLiteral = maker.Literal(CTC_INT, 0); + JCExpression arg = maker.Apply(jceBlank, chainDots(builderType, "this", data.getPluralName() + (mapMode ? "$key" : "").toString(), "get"), List.of(zeroLiteral)); + List<JCExpression> args; + if (mapMode) { + JCExpression zeroLiteralClone = maker.Literal(CTC_INT, 0); + JCExpression arg2 = maker.Apply(jceBlank, chainDots(builderType, "this", data.getPluralName() + (mapMode ? "$value" : "").toString(), "get"), List.of(zeroLiteralClone)); + args = List.of(arg, arg2); + } else { + args = List.of(arg); + } + JCExpression invoke = maker.Apply(jceBlank, chainDots(builderType, "java", "util", "Collections", singletonCollectionMethod), args); + assignStat = maker.Exec(maker.Assign(maker.Ident(data.getPluralName()), invoke)); + } + JCStatement breakStat = maker.Break(null); + JCCase singletonCase = maker.Case(maker.Literal(CTC_INT, 1), List.of(assignStat, breakStat)); + cases.append(singletonCase); + } + + { // default: + List<JCStatement> statements = createJavaUtilSimpleCreationAndFillStatements(maker, data, builderType, mapMode, false, true, emptyCollectionMethod == null, targetType, source); + JCCase defaultCase = maker.Case(null, statements); + cases.append(defaultCase); + } + + JCStatement switchStat = maker.Switch(getSize(maker, builderType, mapMode ? builderType.toName(data.getPluralName() + "$key") : data.getPluralName(), true), cases.toList()); + JCExpression localShadowerType = chainDotsString(builderType, data.getTargetFqn()); + localShadowerType = addTypeArgs(mapMode ? 2 : 1, false, builderType, localShadowerType, data.getTypeArgs(), source); + JCStatement varDefStat = maker.VarDef(maker.Modifiers(0), data.getPluralName(), localShadowerType, null); + return List.of(varDefStat, switchStat); } - protected void stuffJavaUtilCollectionAndWrapWithUnmodifiable(SingularData data, JavacNode builderType, ListBuffer<JCStatement> statements, JavacTreeMaker maker, String addAllName) { - JCFieldAccess varDotAddAll = maker.Select(maker.Ident(data.getPluralName()), builderType.toName(addAllName)); - JCExpression thisDotFieldName = maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName()); - statements.append(maker.Exec(maker.Apply(List.<JCExpression>nil(), varDotAddAll, List.of(thisDotFieldName)))); - String singletonMaker = "unmodifiable" + data.getTargetFqn().substring(data.getTargetFqn().lastIndexOf(".") + 1); - JCExpression javaUtilCollectionsInvoke = maker.Apply(List.<JCExpression>nil(), chainDots(builderType, "java", "util", "Collections", singletonMaker), List.<JCExpression>of(maker.Ident(data.getPluralName()))); - statements.append(maker.Exec(maker.Assign(maker.Ident(data.getPluralName()), javaUtilCollectionsInvoke))); + protected JCStatement createConstructBuilderVarIfNeeded(JavacTreeMaker maker, SingularData data, JavacNode builderType, boolean mapMode, JCTree source) { + List<JCExpression> jceBlank = List.nil(); + + Name v1Name = mapMode ? builderType.toName(data.getPluralName() + "$key") : data.getPluralName(); + Name v2Name = mapMode ? builderType.toName(data.getPluralName() + "$value") : null; + JCExpression thisDotField = maker.Select(maker.Ident(builderType.toName("this")), v1Name); + JCExpression cond = maker.Binary(CTC_EQUAL, thisDotField, maker.Literal(CTC_BOT, null)); + thisDotField = maker.Select(maker.Ident(builderType.toName("this")), v1Name); + JCExpression v1Type = chainDots(builderType, "java", "util", "ArrayList"); + v1Type = addTypeArgs(1, false, builderType, v1Type, data.getTypeArgs(), source); + JCExpression constructArrayList = maker.NewClass(null, jceBlank, v1Type, jceBlank, null); + JCStatement initV1 = maker.Exec(maker.Assign(thisDotField, constructArrayList)); + JCStatement thenPart; + if (mapMode) { + thisDotField = maker.Select(maker.Ident(builderType.toName("this")), v2Name); + JCExpression v2Type = chainDots(builderType, "java", "util", "ArrayList"); + List<JCExpression> tArgs = data.getTypeArgs(); + if (tArgs != null && tArgs.tail != null) tArgs = tArgs.tail; + else tArgs = List.nil(); + v2Type = addTypeArgs(1, false, builderType, v2Type, tArgs, source); + constructArrayList = maker.NewClass(null, jceBlank, v2Type, jceBlank, null); + JCStatement initV2 = maker.Exec(maker.Assign(thisDotField, constructArrayList)); + thenPart = maker.Block(0, List.of(initV1, initV2)); + } else { + thenPart = initV1; + } + return maker.If(cond, thenPart, null); + } + + protected List<JCStatement> createJavaUtilSimpleCreationAndFillStatements(JavacTreeMaker maker, SingularData data, JavacNode builderType, boolean mapMode, boolean defineVar, boolean addInitialCapacityArg, boolean nullGuard, String targetType, JCTree source) { + List<JCExpression> jceBlank = List.nil(); + Name thisName = builderType.toName("this"); + + JCStatement createStat; { + // pluralName = new java.util.TargetType(initialCap); + List<JCExpression> constructorArgs = List.nil(); + if (addInitialCapacityArg) { + Name varName = mapMode ? builderType.toName(data.getPluralName() + "$key") : data.getPluralName(); + // this.varName.size() < MAX_POWER_OF_2 ? 1 + this.varName.size() + (this.varName.size() - 3) / 3 : Integer.MAX_VALUE; + // lessThanCutOff = this.varName.size() < MAX_POWER_OF_2 + JCExpression lessThanCutoff = maker.Binary(CTC_LESS_THAN, getSize(maker, builderType, varName, nullGuard), maker.Literal(CTC_INT, 0x40000000)); + JCExpression integerMaxValue = chainDots(builderType, "java", "lang", "Integer", "MAX_VALUE"); + JCExpression sizeFormulaLeft = maker.Binary(CTC_PLUS, maker.Literal(CTC_INT, 1), getSize(maker, builderType, varName, nullGuard)); + JCExpression sizeFormulaRightLeft = maker.Binary(CTC_MINUS, getSize(maker, builderType, varName, nullGuard), maker.Literal(CTC_INT, 3)); + JCExpression sizeFormulaRight = maker.Binary(CTC_DIV, sizeFormulaRightLeft, maker.Literal(CTC_INT, 3)); + JCExpression sizeFormula = maker.Binary(CTC_PLUS, sizeFormulaLeft, sizeFormulaRight); + constructorArgs = List.<JCExpression>of(maker.Conditional(lessThanCutoff, sizeFormula, integerMaxValue)); + } + + JCExpression targetTypeExpr = chainDots(builderType, "java", "util", targetType); + targetTypeExpr = addTypeArgs(mapMode ? 2 : 1, false, builderType, targetTypeExpr, data.getTypeArgs(), source); + JCExpression constructorCall = maker.NewClass(null, jceBlank, targetTypeExpr, constructorArgs, null); + if (defineVar) { + JCExpression localShadowerType = chainDotsString(builderType, data.getTargetFqn()); + localShadowerType = addTypeArgs(mapMode ? 2 : 1, false, builderType, localShadowerType, data.getTypeArgs(), source); + createStat = maker.VarDef(maker.Modifiers(0), data.getPluralName(), localShadowerType, constructorCall); + } else { + createStat = maker.Exec(maker.Assign(maker.Ident(data.getPluralName()), constructorCall)); + } + } + + JCStatement fillStat; { + if (mapMode) { + // for (int $i = 0; $i < this.pluralname$key.size(); i++) pluralname.put(this.pluralname$key.get($i), this.pluralname$value.get($i)); + Name ivar = builderType.toName("$i"); + Name keyVarName = builderType.toName(data.getPluralName() + "$key"); + JCExpression pluralnameDotPut = maker.Select(maker.Ident(data.getPluralName()), builderType.toName("put")); + JCExpression arg1 = maker.Apply(jceBlank, chainDots(builderType, "this", data.getPluralName() + "$key", "get"), List.<JCExpression>of(maker.Ident(ivar))); + JCExpression arg2 = maker.Apply(jceBlank, chainDots(builderType, "this", data.getPluralName() + "$value", "get"), List.<JCExpression>of(maker.Ident(ivar))); + JCStatement putStatement = maker.Exec(maker.Apply(jceBlank, pluralnameDotPut, List.of(arg1, arg2))); + JCStatement forInit = maker.VarDef(maker.Modifiers(0), ivar, maker.TypeIdent(CTC_INT), maker.Literal(CTC_INT, 0)); + JCExpression checkExpr = maker.Binary(CTC_LESS_THAN, maker.Ident(ivar), getSize(maker, builderType, keyVarName, nullGuard)); + JCExpression incrementExpr = maker.Unary(CTC_POSTINC, maker.Ident(ivar)); + fillStat = maker.ForLoop(List.of(forInit), checkExpr, List.of(maker.Exec(incrementExpr)), putStatement); + } else { + // pluralname.addAll(this.pluralname); + JCExpression thisDotPluralName = maker.Select(maker.Ident(thisName), data.getPluralName()); + fillStat = maker.Exec(maker.Apply(jceBlank, maker.Select(maker.Ident(data.getPluralName()), builderType.toName("addAll")), List.of(thisDotPluralName))); + } + if (nullGuard) { + JCExpression thisDotField = maker.Select(maker.Ident(thisName), mapMode ? builderType.toName(data.getPluralName() + "$key") : data.getPluralName()); + JCExpression nullCheck = maker.Binary(CTC_NOT_EQUAL, thisDotField, maker.Literal(CTC_BOT, null)); + fillStat = maker.If(nullCheck, fillStat, null); + } + } + JCStatement unmodifiableStat; { + // pluralname = Collections.unmodifiableInterfaceType(pluralname); + JCExpression arg = maker.Ident(data.getPluralName()); + JCExpression invoke = maker.Apply(jceBlank, chainDots(builderType, "java", "util", "Collections", "unmodifiable" + data.getTargetSimpleType()), List.of(arg)); + unmodifiableStat = maker.Exec(maker.Assign(maker.Ident(data.getPluralName()), invoke)); + } + + return List.of(createStat, fillStat, unmodifiableStat); } } |