diff options
author | Reinier Zwitserloot <reinier@tipit.to> | 2009-11-25 07:32:49 +0100 |
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committer | Reinier Zwitserloot <reinier@tipit.to> | 2009-11-25 07:32:49 +0100 |
commit | 1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch) | |
tree | e5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/javac/handlers | |
parent | 7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff) | |
download | lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.gz lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.bz2 lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.zip |
Refactored the source folders.
Diffstat (limited to 'src/lombok/javac/handlers')
-rw-r--r-- | src/lombok/javac/handlers/HandleCleanup.java | 147 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleData.java | 186 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleEqualsAndHashCode.java | 447 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleGetter.java | 143 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandlePrintAST.java | 57 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleSetter.java | 153 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleSneakyThrows.java | 110 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleSynchronized.java | 102 | ||||
-rw-r--r-- | src/lombok/javac/handlers/HandleToString.java | 237 | ||||
-rw-r--r-- | src/lombok/javac/handlers/JavacHandlerUtil.java | 335 | ||||
-rw-r--r-- | src/lombok/javac/handlers/package-info.java | 26 |
11 files changed, 0 insertions, 1943 deletions
diff --git a/src/lombok/javac/handlers/HandleCleanup.java b/src/lombok/javac/handlers/HandleCleanup.java deleted file mode 100644 index 88a8e1d7..00000000 --- a/src/lombok/javac/handlers/HandleCleanup.java +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import lombok.Cleanup; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.tree.JCTree; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCAssign; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCCase; -import com.sun.tools.javac.tree.JCTree.JCCatch; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCExpressionStatement; -import com.sun.tools.javac.tree.JCTree.JCFieldAccess; -import com.sun.tools.javac.tree.JCTree.JCIdent; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeCast; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; - -/** - * Handles the {@code lombok.Cleanup} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleCleanup implements JavacAnnotationHandler<Cleanup> { - @Override public boolean handle(AnnotationValues<Cleanup> annotation, JCAnnotation ast, JavacNode annotationNode) { - String cleanupName = annotation.getInstance().value(); - if (cleanupName.length() == 0) { - annotationNode.addError("cleanupName cannot be the empty string."); - return true; - } - - if (annotationNode.up().getKind() != Kind.LOCAL) { - annotationNode.addError("@Cleanup is legal only on local variable declarations."); - return true; - } - - JCVariableDecl decl = (JCVariableDecl)annotationNode.up().get(); - - if (decl.init == null) { - annotationNode.addError("@Cleanup variable declarations need to be initialized."); - return true; - } - - JavacNode ancestor = annotationNode.up().directUp(); - JCTree blockNode = ancestor.get(); - - final List<JCStatement> statements; - if (blockNode instanceof JCBlock) { - statements = ((JCBlock)blockNode).stats; - } else if (blockNode instanceof JCCase) { - statements = ((JCCase)blockNode).stats; - } else if (blockNode instanceof JCMethodDecl) { - statements = ((JCMethodDecl)blockNode).body.stats; - } else { - annotationNode.addError("@Cleanup is legal only on a local variable declaration inside a block."); - return true; - } - - boolean seenDeclaration = false; - List<JCStatement> tryBlock = List.nil(); - List<JCStatement> newStatements = List.nil(); - for (JCStatement statement : statements) { - if (!seenDeclaration) { - if (statement == decl) seenDeclaration = true; - newStatements = newStatements.append(statement); - } else { - tryBlock = tryBlock.append(statement); - } - } - - if (!seenDeclaration) { - annotationNode.addError("LOMBOK BUG: Can't find this local variable declaration inside its parent."); - return true; - } - - doAssignmentCheck(annotationNode, tryBlock, decl.name); - - TreeMaker maker = annotationNode.getTreeMaker(); - JCFieldAccess cleanupCall = maker.Select(maker.Ident(decl.name), annotationNode.toName(cleanupName)); - List<JCStatement> finalizerBlock = List.<JCStatement>of(maker.Exec( - maker.Apply(List.<JCExpression>nil(), cleanupCall, List.<JCExpression>nil()))); - - JCBlock finalizer = maker.Block(0, finalizerBlock); - newStatements = newStatements.append(maker.Try(maker.Block(0, tryBlock), List.<JCCatch>nil(), finalizer)); - - if (blockNode instanceof JCBlock) { - ((JCBlock)blockNode).stats = newStatements; - } else if (blockNode instanceof JCCase) { - ((JCCase)blockNode).stats = newStatements; - } else if (blockNode instanceof JCMethodDecl) { - ((JCMethodDecl)blockNode).body.stats = newStatements; - } else throw new AssertionError("Should not get here"); - - ancestor.rebuild(); - - return true; - } - - private void doAssignmentCheck(JavacNode node, List<JCStatement> statements, Name name) { - for (JCStatement statement : statements) doAssignmentCheck0(node, statement, name); - } - - private void doAssignmentCheck0(JavacNode node, JCTree statement, Name name) { - if (statement instanceof JCAssign) doAssignmentCheck0(node, ((JCAssign)statement).rhs, name); - if (statement instanceof JCExpressionStatement) doAssignmentCheck0(node, - ((JCExpressionStatement)statement).expr, name); - if (statement instanceof JCVariableDecl) doAssignmentCheck0(node, ((JCVariableDecl)statement).init, name); - if (statement instanceof JCTypeCast) doAssignmentCheck0(node, ((JCTypeCast)statement).expr, name); - if (statement instanceof JCIdent) { - if (((JCIdent)statement).name.contentEquals(name)) { - JavacNode problemNode = node.getNodeFor(statement); - if (problemNode != null) problemNode.addWarning( - "You're assigning an auto-cleanup variable to something else. This is a bad idea."); - } - } - } -} diff --git a/src/lombok/javac/handlers/HandleData.java b/src/lombok/javac/handlers/HandleData.java deleted file mode 100644 index eef7f78d..00000000 --- a/src/lombok/javac/handlers/HandleData.java +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.*; - -import java.lang.reflect.Modifier; - -import lombok.Data; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; -import lombok.javac.handlers.JavacHandlerUtil.MemberExistsResult; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCAssign; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCFieldAccess; -import com.sun.tools.javac.tree.JCTree.JCIdent; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCModifiers; -import com.sun.tools.javac.tree.JCTree.JCReturn; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeApply; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; - -/** - * Handles the {@code lombok.Data} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleData implements JavacAnnotationHandler<Data> { - @Override public boolean handle(AnnotationValues<Data> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode typeNode = annotationNode.up(); - JCClassDecl typeDecl = null; - if (typeNode.get() instanceof JCClassDecl) typeDecl = (JCClassDecl)typeNode.get(); - long flags = typeDecl == null ? 0 : typeDecl.mods.flags; - boolean notAClass = (flags & (Flags.INTERFACE | Flags.ENUM | Flags.ANNOTATION)) != 0; - - if (typeDecl == null || notAClass) { - annotationNode.addError("@Data is only supported on a class."); - return false; - } - - List<JavacNode> nodesForConstructor = List.nil(); - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - //Skip fields that start with $ - if (fieldDecl.name.toString().startsWith("$")) continue; - long fieldFlags = fieldDecl.mods.flags; - //Skip static fields. - if ((fieldFlags & Flags.STATIC) != 0) continue; - boolean isFinal = (fieldFlags & Flags.FINAL) != 0; - boolean isNonNull = !findAnnotations(child, TransformationsUtil.NON_NULL_PATTERN).isEmpty(); - if ((isFinal || isNonNull) && fieldDecl.init == null) nodesForConstructor = nodesForConstructor.append(child); - new HandleGetter().generateGetterForField(child, annotationNode.get()); - if (!isFinal) new HandleSetter().generateSetterForField(child, annotationNode.get()); - } - - new HandleToString().generateToStringForType(typeNode, annotationNode); - new HandleEqualsAndHashCode().generateEqualsAndHashCodeForType(typeNode, annotationNode); - - String staticConstructorName = annotation.getInstance().staticConstructor(); - - if (constructorExists(typeNode) == MemberExistsResult.NOT_EXISTS) { - JCMethodDecl constructor = createConstructor(staticConstructorName.equals(""), typeNode, nodesForConstructor); - injectMethod(typeNode, constructor); - } - - if (!staticConstructorName.isEmpty() && methodExists("of", typeNode) == MemberExistsResult.NOT_EXISTS) { - JCMethodDecl staticConstructor = createStaticConstructor(staticConstructorName, typeNode, nodesForConstructor); - injectMethod(typeNode, staticConstructor); - } - - return true; - } - - private JCMethodDecl createConstructor(boolean isPublic, JavacNode typeNode, List<JavacNode> fields) { - TreeMaker maker = typeNode.getTreeMaker(); - JCClassDecl type = (JCClassDecl) typeNode.get(); - - List<JCStatement> nullChecks = List.nil(); - List<JCStatement> assigns = List.nil(); - List<JCVariableDecl> params = List.nil(); - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - List<JCAnnotation> nonNulls = findAnnotations(fieldNode, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(fieldNode, TransformationsUtil.NULLABLE_PATTERN); - JCVariableDecl param = maker.VarDef(maker.Modifiers(Flags.FINAL, nonNulls.appendList(nullables)), field.name, field.vartype, null); - params = params.append(param); - JCFieldAccess thisX = maker.Select(maker.Ident(fieldNode.toName("this")), field.name); - JCAssign assign = maker.Assign(thisX, maker.Ident(field.name)); - assigns = assigns.append(maker.Exec(assign)); - - if (!nonNulls.isEmpty()) { - JCStatement nullCheck = generateNullCheck(maker, fieldNode); - if (nullCheck != null) nullChecks = nullChecks.append(nullCheck); - } - } - - JCModifiers mods = maker.Modifiers(isPublic ? Modifier.PUBLIC : Modifier.PRIVATE); - return maker.MethodDef(mods, typeNode.toName("<init>"), - null, type.typarams, params, List.<JCExpression>nil(), maker.Block(0L, nullChecks.appendList(assigns)), null); - } - - private JCMethodDecl createStaticConstructor(String name, JavacNode typeNode, List<JavacNode> fields) { - TreeMaker maker = typeNode.getTreeMaker(); - JCClassDecl type = (JCClassDecl) typeNode.get(); - - JCModifiers mods = maker.Modifiers(Flags.STATIC | Flags.PUBLIC); - - JCExpression returnType, constructorType; - - List<JCTypeParameter> typeParams = List.nil(); - List<JCVariableDecl> params = List.nil(); - List<JCExpression> typeArgs1 = List.nil(); - List<JCExpression> typeArgs2 = List.nil(); - List<JCExpression> args = List.nil(); - - if (!type.typarams.isEmpty()) { - for (JCTypeParameter param : type.typarams) { - typeArgs1 = typeArgs1.append(maker.Ident(param.name)); - typeArgs2 = typeArgs2.append(maker.Ident(param.name)); - typeParams = typeParams.append(maker.TypeParameter(param.name, param.bounds)); - } - returnType = maker.TypeApply(maker.Ident(type.name), typeArgs1); - constructorType = maker.TypeApply(maker.Ident(type.name), typeArgs2); - } else { - returnType = maker.Ident(type.name); - constructorType = maker.Ident(type.name); - } - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression pType; - if (field.vartype instanceof JCIdent) pType = maker.Ident(((JCIdent)field.vartype).name); - else if (field.vartype instanceof JCTypeApply) { - JCTypeApply typeApply = (JCTypeApply) field.vartype; - List<JCExpression> tArgs = List.nil(); - for (JCExpression arg : typeApply.arguments) tArgs = tArgs.append(arg); - pType = maker.TypeApply(typeApply.clazz, tArgs); - } else { - pType = field.vartype; - } - List<JCAnnotation> nonNulls = findAnnotations(fieldNode, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(fieldNode, TransformationsUtil.NULLABLE_PATTERN); - JCVariableDecl param = maker.VarDef(maker.Modifiers(Flags.FINAL, nonNulls.appendList(nullables)), field.name, pType, null); - params = params.append(param); - args = args.append(maker.Ident(field.name)); - } - JCReturn returnStatement = maker.Return(maker.NewClass(null, List.<JCExpression>nil(), constructorType, args, null)); - JCBlock body = maker.Block(0, List.<JCStatement>of(returnStatement)); - - return maker.MethodDef(mods, typeNode.toName(name), returnType, typeParams, params, List.<JCExpression>nil(), body, null); - } -} diff --git a/src/lombok/javac/handlers/HandleEqualsAndHashCode.java b/src/lombok/javac/handlers/HandleEqualsAndHashCode.java deleted file mode 100644 index 61a4ef63..00000000 --- a/src/lombok/javac/handlers/HandleEqualsAndHashCode.java +++ /dev/null @@ -1,447 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.*; -import lombok.EqualsAndHashCode; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.BoundKind; -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.code.TypeTags; -import com.sun.tools.javac.tree.JCTree; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCArrayTypeTree; -import com.sun.tools.javac.tree.JCTree.JCBinary; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCMethodInvocation; -import com.sun.tools.javac.tree.JCTree.JCModifiers; -import com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCUnary; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; - -/** - * Handles the {@code lombok.EqualsAndHashCode} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleEqualsAndHashCode implements JavacAnnotationHandler<EqualsAndHashCode> { - private void checkForBogusFieldNames(JavacNode type, AnnotationValues<EqualsAndHashCode> annotation) { - if (annotation.isExplicit("exclude")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().exclude()), type, true, true)) { - annotation.setWarning("exclude", "This field does not exist, or would have been excluded anyway.", i); - } - } - if (annotation.isExplicit("of")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().of()), type, false, false)) { - annotation.setWarning("of", "This field does not exist.", i); - } - } - } - - @Override public boolean handle(AnnotationValues<EqualsAndHashCode> annotation, JCAnnotation ast, JavacNode annotationNode) { - EqualsAndHashCode ann = annotation.getInstance(); - List<String> excludes = List.from(ann.exclude()); - List<String> includes = List.from(ann.of()); - JavacNode typeNode = annotationNode.up(); - - checkForBogusFieldNames(typeNode, annotation); - - Boolean callSuper = ann.callSuper(); - if (!annotation.isExplicit("callSuper")) callSuper = null; - if (!annotation.isExplicit("exclude")) excludes = null; - if (!annotation.isExplicit("of")) includes = null; - - if (excludes != null && includes != null) { - excludes = null; - annotation.setWarning("exclude", "exclude and of are mutually exclusive; the 'exclude' parameter will be ignored."); - } - - return generateMethods(typeNode, annotationNode, excludes, includes, callSuper, true); - } - - public void generateEqualsAndHashCodeForType(JavacNode typeNode, JavacNode errorNode) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(EqualsAndHashCode.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - generateMethods(typeNode, errorNode, null, null, null, false); - } - - private boolean generateMethods(JavacNode typeNode, JavacNode errorNode, List<String> excludes, List<String> includes, - Boolean callSuper, boolean whineIfExists) { - boolean notAClass = true; - if (typeNode.get() instanceof JCClassDecl) { - long flags = ((JCClassDecl)typeNode.get()).mods.flags; - notAClass = (flags & (Flags.INTERFACE | Flags.ANNOTATION | Flags.ENUM)) != 0; - } - - if (notAClass) { - errorNode.addError("@EqualsAndHashCode is only supported on a class."); - return false; - } - - boolean isDirectDescendantOfObject = true; - boolean implicitCallSuper = callSuper == null; - if (callSuper == null) { - try { - callSuper = ((Boolean)EqualsAndHashCode.class.getMethod("callSuper").getDefaultValue()).booleanValue(); - } catch (Exception ignore) { - throw new InternalError("Lombok bug - this cannot happen - can't find callSuper field in EqualsAndHashCode annotation."); - } - } - - JCTree extending = ((JCClassDecl)typeNode.get()).extending; - if (extending != null) { - String p = extending.toString(); - isDirectDescendantOfObject = p.equals("Object") || p.equals("java.lang.Object"); - } - - if (isDirectDescendantOfObject && callSuper) { - errorNode.addError("Generating equals/hashCode with a supercall to java.lang.Object is pointless."); - return true; - } - - if (!isDirectDescendantOfObject && !callSuper && implicitCallSuper) { - errorNode.addWarning("Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type."); - } - - List<JavacNode> nodesForEquality = List.nil(); - if (includes != null) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - if (includes.contains(fieldDecl.name.toString())) nodesForEquality = nodesForEquality.append(child); - } - } else { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - //Skip static fields. - if ((fieldDecl.mods.flags & Flags.STATIC) != 0) continue; - //Skip transient fields. - if ((fieldDecl.mods.flags & Flags.TRANSIENT) != 0) continue; - //Skip excluded fields. - if (excludes != null && excludes.contains(fieldDecl.name.toString())) continue; - //Skip fields that start with $ - if (fieldDecl.name.toString().startsWith("$")) continue; - nodesForEquality = nodesForEquality.append(child); - } - } - - switch (methodExists("hashCode", typeNode)) { - case NOT_EXISTS: - JCMethodDecl method = createHashCode(typeNode, nodesForEquality, callSuper); - injectMethod(typeNode, method); - break; - case EXISTS_BY_LOMBOK: - break; - default: - case EXISTS_BY_USER: - if (whineIfExists) { - errorNode.addWarning("Not generating hashCode(): A method with that name already exists"); - } - break; - } - - switch (methodExists("equals", typeNode)) { - case NOT_EXISTS: - JCMethodDecl method = createEquals(typeNode, nodesForEquality, callSuper); - injectMethod(typeNode, method); - break; - case EXISTS_BY_LOMBOK: - break; - default: - case EXISTS_BY_USER: - if (whineIfExists) { - errorNode.addWarning("Not generating equals(Object other): A method with that name already exists"); - } - break; - } - - return true; - } - - private JCMethodDecl createHashCode(JavacNode typeNode, List<JavacNode> fields, boolean callSuper) { - TreeMaker maker = typeNode.getTreeMaker(); - - JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil()); - JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation)); - JCExpression returnType = maker.TypeIdent(TypeTags.INT); - List<JCStatement> statements = List.nil(); - - Name primeName = typeNode.toName("PRIME"); - Name resultName = typeNode.toName("result"); - /* final int PRIME = 31; */ { - if (!fields.isEmpty() || callSuper) { - statements = statements.append(maker.VarDef(maker.Modifiers(Flags.FINAL), - primeName, maker.TypeIdent(TypeTags.INT), maker.Literal(31))); - } - } - - /* int result = 1; */ { - statements = statements.append(maker.VarDef(maker.Modifiers(0), resultName, maker.TypeIdent(TypeTags.INT), maker.Literal(1))); - } - - List<JCExpression> intoResult = List.nil(); - - if (callSuper) { - JCMethodInvocation callToSuper = maker.Apply(List.<JCExpression>nil(), - maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("hashCode")), - List.<JCExpression>nil()); - intoResult = intoResult.append(callToSuper); - } - - int tempCounter = 0; - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression fType = field.vartype; - JCExpression thisDotField = maker.Select(maker.Ident(typeNode.toName("this")), field.name); - JCExpression thisDotFieldClone = maker.Select(maker.Ident(typeNode.toName("this")), field.name); - if (fType instanceof JCPrimitiveTypeTree) { - switch (((JCPrimitiveTypeTree)fType).getPrimitiveTypeKind()) { - case BOOLEAN: - /* this.fieldName ? 1231 : 1237 */ - intoResult = intoResult.append(maker.Conditional(thisDotField, maker.Literal(1231), maker.Literal(1237))); - break; - case LONG: - intoResult = intoResult.append(longToIntForHashCode(maker, thisDotField, thisDotFieldClone)); - break; - case FLOAT: - /* Float.floatToIntBits(this.fieldName) */ - intoResult = intoResult.append(maker.Apply( - List.<JCExpression>nil(), - chainDots(maker, typeNode, "java", "lang", "Float", "floatToIntBits"), - List.of(thisDotField))); - break; - case DOUBLE: - /* longToIntForHashCode(Double.doubleToLongBits(this.fieldName)) */ - Name tempVar = typeNode.toName("temp" + (++tempCounter)); - JCExpression init = maker.Apply( - List.<JCExpression>nil(), - chainDots(maker, typeNode, "java", "lang", "Double", "doubleToLongBits"), - List.of(thisDotField)); - statements = statements.append( - maker.VarDef(maker.Modifiers(Flags.FINAL), tempVar, maker.TypeIdent(TypeTags.LONG), init)); - intoResult = intoResult.append(longToIntForHashCode(maker, maker.Ident(tempVar), maker.Ident(tempVar))); - break; - default: - case BYTE: - case SHORT: - case INT: - case CHAR: - /* just the field */ - intoResult = intoResult.append(thisDotField); - break; - } - } else if (fType instanceof JCArrayTypeTree) { - /* java.util.Arrays.deepHashCode(this.fieldName) //use just hashCode() for primitive arrays. */ - boolean multiDim = ((JCArrayTypeTree)fType).elemtype instanceof JCArrayTypeTree; - boolean primitiveArray = ((JCArrayTypeTree)fType).elemtype instanceof JCPrimitiveTypeTree; - boolean useDeepHC = multiDim || !primitiveArray; - - JCExpression hcMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepHC ? "deepHashCode" : "hashCode"); - intoResult = intoResult.append( - maker.Apply(List.<JCExpression>nil(), hcMethod, List.of(thisDotField))); - } else /* objects */ { - /* this.fieldName == null ? 0 : this.fieldName.hashCode() */ - JCExpression hcCall = maker.Apply(List.<JCExpression>nil(), maker.Select(thisDotField, typeNode.toName("hashCode")), - List.<JCExpression>nil()); - JCExpression thisEqualsNull = maker.Binary(JCTree.EQ, thisDotField, maker.Literal(TypeTags.BOT, null)); - intoResult = intoResult.append( - maker.Conditional(thisEqualsNull, maker.Literal(0), hcCall)); - } - } - - /* fold each intoResult entry into: - result = result * PRIME + (item); */ - for (JCExpression expr : intoResult) { - JCExpression mult = maker.Binary(JCTree.MUL, maker.Ident(resultName), maker.Ident(primeName)); - JCExpression add = maker.Binary(JCTree.PLUS, mult, expr); - statements = statements.append(maker.Exec(maker.Assign(maker.Ident(resultName), add))); - } - - /* return result; */ { - statements = statements.append(maker.Return(maker.Ident(resultName))); - } - - JCBlock body = maker.Block(0, statements); - return maker.MethodDef(mods, typeNode.toName("hashCode"), returnType, - List.<JCTypeParameter>nil(), List.<JCVariableDecl>nil(), List.<JCExpression>nil(), body, null); - } - - /** The 2 references must be clones of each other. */ - private JCExpression longToIntForHashCode(TreeMaker maker, JCExpression ref1, JCExpression ref2) { - /* (int)(ref >>> 32 ^ ref) */ - JCExpression shift = maker.Binary(JCTree.USR, ref1, maker.Literal(32)); - JCExpression xorBits = maker.Binary(JCTree.BITXOR, shift, ref2); - return maker.TypeCast(maker.TypeIdent(TypeTags.INT), xorBits); - } - - private JCMethodDecl createEquals(JavacNode typeNode, List<JavacNode> fields, boolean callSuper) { - TreeMaker maker = typeNode.getTreeMaker(); - JCClassDecl type = (JCClassDecl) typeNode.get(); - - Name oName = typeNode.toName("o"); - Name otherName = typeNode.toName("other"); - Name thisName = typeNode.toName("this"); - - JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil()); - JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation)); - JCExpression objectType = maker.Type(typeNode.getSymbolTable().objectType); - JCExpression returnType = maker.TypeIdent(TypeTags.BOOLEAN); - - List<JCStatement> statements = List.nil(); - List<JCVariableDecl> params = List.of(maker.VarDef(maker.Modifiers(Flags.FINAL), oName, objectType, null)); - - /* if (o == this) return true; */ { - statements = statements.append(maker.If(maker.Binary(JCTree.EQ, maker.Ident(oName), - maker.Ident(thisName)), returnBool(maker, true), null)); - } - - /* if (o == null) return false; */ { - statements = statements.append(maker.If(maker.Binary(JCTree.EQ, maker.Ident(oName), - maker.Literal(TypeTags.BOT, null)), returnBool(maker, false), null)); - } - - /* if (o.getClass() != this.getClass()) return false; */ { - Name getClass = typeNode.toName("getClass"); - List<JCExpression> exprNil = List.nil(); - JCExpression oGetClass = maker.Apply(exprNil, maker.Select(maker.Ident(oName), getClass), exprNil); - JCExpression thisGetClass = maker.Apply(exprNil, maker.Select(maker.Ident(thisName), getClass), exprNil); - statements = statements.append( - maker.If(maker.Binary(JCTree.NE, oGetClass, thisGetClass), returnBool(maker, false), null)); - } - - /* if (!super.equals(o)) return false; */ - if (callSuper) { - JCMethodInvocation callToSuper = maker.Apply(List.<JCExpression>nil(), - maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("equals")), - List.<JCExpression>of(maker.Ident(oName))); - JCUnary superNotEqual = maker.Unary(JCTree.NOT, callToSuper); - statements = statements.append(maker.If(superNotEqual, returnBool(maker, false), null)); - } - - /* MyType<?> other = (MyType<?>) o; */ { - final JCExpression selfType1, selfType2; - List<JCExpression> wildcards1 = List.nil(); - List<JCExpression> wildcards2 = List.nil(); - for (int i = 0 ; i < type.typarams.length() ; i++) { - wildcards1 = wildcards1.append(maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null)); - wildcards2 = wildcards2.append(maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null)); - } - - if (type.typarams.isEmpty()) { - selfType1 = maker.Ident(type.name); - selfType2 = maker.Ident(type.name); - } else { - selfType1 = maker.TypeApply(maker.Ident(type.name), wildcards1); - selfType2 = maker.TypeApply(maker.Ident(type.name), wildcards2); - } - - statements = statements.append( - maker.VarDef(maker.Modifiers(Flags.FINAL), otherName, selfType1, maker.TypeCast(selfType2, maker.Ident(oName)))); - } - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression fType = field.vartype; - JCExpression thisDotField = maker.Select(maker.Ident(thisName), field.name); - JCExpression otherDotField = maker.Select(maker.Ident(otherName), field.name); - if (fType instanceof JCPrimitiveTypeTree) { - switch (((JCPrimitiveTypeTree)fType).getPrimitiveTypeKind()) { - case FLOAT: - /* if (Float.compare(this.fieldName, other.fieldName) != 0) return false; */ - statements = statements.append(generateCompareFloatOrDouble(thisDotField, otherDotField, maker, typeNode, false)); - break; - case DOUBLE: - /* if (Double(this.fieldName, other.fieldName) != 0) return false; */ - statements = statements.append(generateCompareFloatOrDouble(thisDotField, otherDotField, maker, typeNode, true)); - break; - default: - /* if (this.fieldName != other.fieldName) return false; */ - statements = statements.append( - maker.If(maker.Binary(JCTree.NE, thisDotField, otherDotField), returnBool(maker, false), null)); - break; - } - } else if (fType instanceof JCArrayTypeTree) { - /* if (!java.util.Arrays.deepEquals(this.fieldName, other.fieldName)) return false; //use equals for primitive arrays. */ - boolean multiDim = ((JCArrayTypeTree)fType).elemtype instanceof JCArrayTypeTree; - boolean primitiveArray = ((JCArrayTypeTree)fType).elemtype instanceof JCPrimitiveTypeTree; - boolean useDeepEquals = multiDim || !primitiveArray; - - JCExpression eqMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepEquals ? "deepEquals" : "equals"); - List<JCExpression> args = List.of(thisDotField, otherDotField); - statements = statements.append(maker.If(maker.Unary(JCTree.NOT, - maker.Apply(List.<JCExpression>nil(), eqMethod, args)), returnBool(maker, false), null)); - } else /* objects */ { - /* if (this.fieldName == null ? other.fieldName != null : !this.fieldName.equals(other.fieldName)) return false; */ - JCExpression thisEqualsNull = maker.Binary(JCTree.EQ, thisDotField, maker.Literal(TypeTags.BOT, null)); - JCExpression otherNotEqualsNull = maker.Binary(JCTree.NE, otherDotField, maker.Literal(TypeTags.BOT, null)); - JCExpression thisEqualsThat = maker.Apply( - List.<JCExpression>nil(), maker.Select(thisDotField, typeNode.toName("equals")), List.of(otherDotField)); - JCExpression fieldsAreNotEqual = maker.Conditional(thisEqualsNull, otherNotEqualsNull, maker.Unary(JCTree.NOT, thisEqualsThat)); - statements = statements.append(maker.If(fieldsAreNotEqual, returnBool(maker, false), null)); - } - } - - /* return true; */ { - statements = statements.append(returnBool(maker, true)); - } - - JCBlock body = maker.Block(0, statements); - return maker.MethodDef(mods, typeNode.toName("equals"), returnType, List.<JCTypeParameter>nil(), params, List.<JCExpression>nil(), body, null); - } - - private JCStatement generateCompareFloatOrDouble(JCExpression thisDotField, JCExpression otherDotField, - TreeMaker maker, JavacNode node, boolean isDouble) { - /* if (Float.compare(fieldName, other.fieldName) != 0) return false; */ - JCExpression clazz = chainDots(maker, node, "java", "lang", isDouble ? "Double" : "Float"); - List<JCExpression> args = List.of(thisDotField, otherDotField); - JCBinary compareCallEquals0 = maker.Binary(JCTree.NE, maker.Apply( - List.<JCExpression>nil(), maker.Select(clazz, node.toName("compare")), args), maker.Literal(0)); - return maker.If(compareCallEquals0, returnBool(maker, false), null); - } - - private JCStatement returnBool(TreeMaker maker, boolean bool) { - return maker.Return(maker.Literal(TypeTags.BOOLEAN, bool ? 1 : 0)); - } - -} diff --git a/src/lombok/javac/handlers/HandleGetter.java b/src/lombok/javac/handlers/HandleGetter.java deleted file mode 100644 index e60e426d..00000000 --- a/src/lombok/javac/handlers/HandleGetter.java +++ /dev/null @@ -1,143 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.*; -import lombok.AccessLevel; -import lombok.Getter; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -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.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.Name; -import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; - -/** - * Handles the {@code lombok.Getter} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleGetter implements JavacAnnotationHandler<Getter> { - /** - * Generates a getter on the stated field. - * - * Used by {@link HandleData}. - * - * The difference between this call and the handle method is as follows: - * - * If there is a {@code lombok.Getter} annotation on the field, it is used and the - * same rules apply (e.g. warning if the method already exists, stated access level applies). - * If not, the getter is still generated if it isn't already there, though there will not - * be a warning if its already there. The default access level is used. - * - * @param fieldNode The node representing the field you want a getter for. - * @param pos The node responsible for generating the getter (the {@code @Data} or {@code @Getter} annotation). - */ - public void generateGetterForField(JavacNode fieldNode, DiagnosticPosition pos) { - for (JavacNode child : fieldNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(Getter.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - createGetterForField(AccessLevel.PUBLIC, fieldNode, fieldNode, false); - } - - @Override public boolean handle(AnnotationValues<Getter> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode fieldNode = annotationNode.up(); - AccessLevel level = annotation.getInstance().value(); - if (level == AccessLevel.NONE) return true; - - return createGetterForField(level, fieldNode, annotationNode, true); - } - - private boolean createGetterForField(AccessLevel level, - JavacNode fieldNode, JavacNode errorNode, boolean whineIfExists) { - if (fieldNode.getKind() != Kind.FIELD) { - errorNode.addError("@Getter is only supported on a field."); - return true; - } - - JCVariableDecl fieldDecl = (JCVariableDecl)fieldNode.get(); - String methodName = toGetterName(fieldDecl); - - for (String altName : toAllGetterNames(fieldDecl)) { - switch (methodExists(altName, fieldNode)) { - case EXISTS_BY_LOMBOK: - return true; - case EXISTS_BY_USER: - if (whineIfExists) { - String altNameExpl = ""; - if (!altName.equals(methodName)) altNameExpl = String.format(" (%s)", altName); - errorNode.addWarning( - String.format("Not generating %s(): A method with that name already exists%s", methodName, altNameExpl)); - } - return true; - default: - case NOT_EXISTS: - //continue scanning the other alt names. - } - } - - long access = toJavacModifier(level) | (fieldDecl.mods.flags & Flags.STATIC); - - injectMethod(fieldNode.up(), createGetter(access, fieldNode, fieldNode.getTreeMaker())); - - return true; - } - - private JCMethodDecl createGetter(long access, JavacNode field, TreeMaker treeMaker) { - JCVariableDecl fieldNode = (JCVariableDecl) field.get(); - JCStatement returnStatement = treeMaker.Return(treeMaker.Ident(fieldNode.getName())); - - JCBlock methodBody = treeMaker.Block(0, List.of(returnStatement)); - Name methodName = field.toName(toGetterName(fieldNode)); - JCExpression methodType = fieldNode.type != null ? treeMaker.Type(fieldNode.type) : fieldNode.vartype; - - List<JCTypeParameter> methodGenericParams = List.nil(); - List<JCVariableDecl> parameters = List.nil(); - List<JCExpression> throwsClauses = List.nil(); - JCExpression annotationMethodDefaultValue = null; - - List<JCAnnotation> nonNulls = findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN); - return treeMaker.MethodDef(treeMaker.Modifiers(access, nonNulls.appendList(nullables)), methodName, methodType, - methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue); - } -} diff --git a/src/lombok/javac/handlers/HandlePrintAST.java b/src/lombok/javac/handlers/HandlePrintAST.java deleted file mode 100644 index 4c25694b..00000000 --- a/src/lombok/javac/handlers/HandlePrintAST.java +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import java.io.File; -import java.io.FileNotFoundException; -import java.io.PrintStream; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.tree.JCTree.JCAnnotation; - -import lombok.Lombok; -import lombok.core.AnnotationValues; -import lombok.core.PrintAST; -import lombok.javac.JavacASTVisitor; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -/** - * Handles the {@code lombok.core.PrintAST} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandlePrintAST implements JavacAnnotationHandler<PrintAST> { - @Override public boolean handle(AnnotationValues<PrintAST> annotation, JCAnnotation ast, JavacNode annotationNode) { - PrintStream stream = System.out; - String fileName = annotation.getInstance().outfile(); - if (fileName.length() > 0) try { - stream = new PrintStream(new File(fileName)); - } catch (FileNotFoundException e) { - Lombok.sneakyThrow(e); - } - - annotationNode.up().traverse(new JavacASTVisitor.Printer(annotation.getInstance().printContent(), stream)); - - return true; - } -} diff --git a/src/lombok/javac/handlers/HandleSetter.java b/src/lombok/javac/handlers/HandleSetter.java deleted file mode 100644 index 84032e9c..00000000 --- a/src/lombok/javac/handlers/HandleSetter.java +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.*; -import lombok.AccessLevel; -import lombok.Setter; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCAssign; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCFieldAccess; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -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.Name; -import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; - -/** - * Handles the {@code lombok.Setter} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleSetter implements JavacAnnotationHandler<Setter> { - /** - * Generates a setter on the stated field. - * - * Used by {@link HandleData}. - * - * The difference between this call and the handle method is as follows: - * - * If there is a {@code lombok.Setter} annotation on the field, it is used and the - * same rules apply (e.g. warning if the method already exists, stated access level applies). - * If not, the setter is still generated if it isn't already there, though there will not - * be a warning if its already there. The default access level is used. - * - * @param fieldNode The node representing the field you want a setter for. - * @param pos The node responsible for generating the setter (the {@code @Data} or {@code @Setter} annotation). - */ - public void generateSetterForField(JavacNode fieldNode, DiagnosticPosition pos) { - for (JavacNode child : fieldNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(Setter.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - createSetterForField(AccessLevel.PUBLIC, fieldNode, fieldNode, false); - } - - @Override public boolean handle(AnnotationValues<Setter> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode fieldNode = annotationNode.up(); - AccessLevel level = annotation.getInstance().value(); - if (level == AccessLevel.NONE) return true; - - return createSetterForField(level, fieldNode, annotationNode, true); - } - - private boolean createSetterForField(AccessLevel level, - JavacNode fieldNode, JavacNode errorNode, boolean whineIfExists) { - if (fieldNode.getKind() != Kind.FIELD) { - fieldNode.addError("@Setter is only supported on a field."); - return true; - } - - JCVariableDecl fieldDecl = (JCVariableDecl)fieldNode.get(); - String methodName = toSetterName(fieldDecl); - - switch (methodExists(methodName, fieldNode)) { - case EXISTS_BY_LOMBOK: - return true; - case EXISTS_BY_USER: - if (whineIfExists) errorNode.addWarning( - String.format("Not generating %s(%s %s): A method with that name already exists", - methodName, fieldDecl.vartype, fieldDecl.name)); - return true; - default: - case NOT_EXISTS: - //continue with creating the setter - } - - long access = toJavacModifier(level) | (fieldDecl.mods.flags & Flags.STATIC); - - injectMethod(fieldNode.up(), createSetter(access, fieldNode, fieldNode.getTreeMaker())); - - return true; - } - - private JCMethodDecl createSetter(long access, JavacNode field, TreeMaker treeMaker) { - JCVariableDecl fieldDecl = (JCVariableDecl) field.get(); - - JCFieldAccess thisX = treeMaker.Select(treeMaker.Ident(field.toName("this")), fieldDecl.name); - JCAssign assign = treeMaker.Assign(thisX, treeMaker.Ident(fieldDecl.name)); - - List<JCStatement> statements; - List<JCAnnotation> nonNulls = findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN); - - if (nonNulls.isEmpty()) { - statements = List.<JCStatement>of(treeMaker.Exec(assign)); - } else { - JCStatement nullCheck = generateNullCheck(treeMaker, field); - if (nullCheck != null) statements = List.<JCStatement>of(nullCheck, treeMaker.Exec(assign)); - else statements = List.<JCStatement>of(treeMaker.Exec(assign)); - } - - JCBlock methodBody = treeMaker.Block(0, statements); - Name methodName = field.toName(toSetterName(fieldDecl)); - JCVariableDecl param = treeMaker.VarDef(treeMaker.Modifiers(Flags.FINAL, nonNulls.appendList(nullables)), fieldDecl.name, fieldDecl.vartype, null); - JCExpression methodType = treeMaker.Type(field.getSymbolTable().voidType); - - List<JCTypeParameter> methodGenericParams = List.nil(); - List<JCVariableDecl> parameters = List.of(param); - List<JCExpression> throwsClauses = List.nil(); - JCExpression annotationMethodDefaultValue = null; - - return treeMaker.MethodDef(treeMaker.Modifiers(access, List.<JCAnnotation>nil()), methodName, methodType, - methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue); - } -} diff --git a/src/lombok/javac/handlers/HandleSneakyThrows.java b/src/lombok/javac/handlers/HandleSneakyThrows.java deleted file mode 100644 index e7879dd1..00000000 --- a/src/lombok/javac/handlers/HandleSneakyThrows.java +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.chainDots; - -import java.util.ArrayList; -import java.util.Collection; - -import lombok.SneakyThrows; -import lombok.core.AnnotationValues; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -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.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; - -/** - * Handles the {@code lombok.SneakyThrows} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleSneakyThrows implements JavacAnnotationHandler<SneakyThrows> { - @Override public boolean handle(AnnotationValues<SneakyThrows> annotation, JCAnnotation ast, JavacNode annotationNode) { - Collection<String> exceptionNames = annotation.getRawExpressions("value"); - - List<JCExpression> memberValuePairs = ast.getArguments(); - if (memberValuePairs == null || memberValuePairs.size() == 0) return false; - - java.util.List<String> exceptions = new ArrayList<String>(); - for (String exception : exceptionNames) { - if (exception.endsWith(".class")) exception = exception.substring(0, exception.length() - 6); - exceptions.add(exception); - } - - JavacNode owner = annotationNode.up(); - switch (owner.getKind()) { - case METHOD: - return handleMethod(annotationNode, (JCMethodDecl)owner.get(), exceptions); - default: - annotationNode.addError("@SneakyThrows is legal only on methods and constructors."); - return true; - } - } - - private boolean handleMethod(JavacNode annotation, JCMethodDecl method, Collection<String> exceptions) { - JavacNode methodNode = annotation.up(); - - if ( (method.mods.flags & Flags.ABSTRACT) != 0) { - annotation.addError("@SneakyThrows can only be used on concrete methods."); - return true; - } - - if (method.body == null) return false; - - List<JCStatement> contents = method.body.stats; - - for (String exception : exceptions) { - contents = List.of(buildTryCatchBlock(methodNode, contents, exception)); - } - - method.body.stats = contents; - methodNode.rebuild(); - - return true; - } - - private JCStatement buildTryCatchBlock(JavacNode node, List<JCStatement> contents, String exception) { - TreeMaker maker = node.getTreeMaker(); - - JCBlock tryBlock = maker.Block(0, contents); - - JCExpression varType = chainDots(maker, node, exception.split("\\.")); - - JCVariableDecl catchParam = maker.VarDef(maker.Modifiers(0), node.toName("$ex"), varType, null); - JCExpression lombokLombokSneakyThrowNameRef = chainDots(maker, node, "lombok", "Lombok", "sneakyThrow"); - JCBlock catchBody = maker.Block(0, List.<JCStatement>of(maker.Throw(maker.Apply( - List.<JCExpression>nil(), lombokLombokSneakyThrowNameRef, - List.<JCExpression>of(maker.Ident(node.toName("$ex"))))))); - - return maker.Try(tryBlock, List.of(maker.Catch(catchParam, catchBody)), null); - } -} diff --git a/src/lombok/javac/handlers/HandleSynchronized.java b/src/lombok/javac/handlers/HandleSynchronized.java deleted file mode 100644 index c86d99c6..00000000 --- a/src/lombok/javac/handlers/HandleSynchronized.java +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.*; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.code.TypeTags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCNewArray; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; - -import lombok.Synchronized; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -/** - * Handles the {@code lombok.Synchronized} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleSynchronized implements JavacAnnotationHandler<Synchronized> { - private static final String INSTANCE_LOCK_NAME = "$lock"; - private static final String STATIC_LOCK_NAME = "$LOCK"; - - @Override public boolean handle(AnnotationValues<Synchronized> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode methodNode = annotationNode.up(); - - if (methodNode == null || methodNode.getKind() != Kind.METHOD || !(methodNode.get() instanceof JCMethodDecl)) { - annotationNode.addError("@Synchronized is legal only on methods."); - return true; - } - - JCMethodDecl method = (JCMethodDecl)methodNode.get(); - - if ((method.mods.flags & Flags.ABSTRACT) != 0) { - annotationNode.addError("@Synchronized is legal only on concrete methods."); - return true; - } - boolean isStatic = (method.mods.flags & Flags.STATIC) != 0; - String lockName = annotation.getInstance().value(); - boolean autoMake = false; - if (lockName.length() == 0) { - autoMake = true; - lockName = isStatic ? STATIC_LOCK_NAME : INSTANCE_LOCK_NAME; - } - - TreeMaker maker = methodNode.getTreeMaker(); - - if (fieldExists(lockName, methodNode) == MemberExistsResult.NOT_EXISTS) { - if (!autoMake) { - annotationNode.addError("The field " + lockName + " does not exist."); - return true; - } - JCExpression objectType = chainDots(maker, methodNode, "java", "lang", "Object"); - //We use 'new Object[0];' because quite unlike 'new Object();', empty arrays *ARE* serializable! - JCNewArray newObjectArray = maker.NewArray(chainDots(maker, methodNode, "java", "lang", "Object"), - List.<JCExpression>of(maker.Literal(TypeTags.INT, 0)), null); - JCVariableDecl fieldDecl = maker.VarDef( - maker.Modifiers(Flags.FINAL | (isStatic ? Flags.STATIC : 0)), - methodNode.toName(lockName), objectType, newObjectArray); - injectField(methodNode.up(), fieldDecl); - } - - if (method.body == null) return false; - - JCExpression lockNode = maker.Ident(methodNode.toName(lockName)); - - method.body = maker.Block(0, List.<JCStatement>of(maker.Synchronized(lockNode, method.body))); - - methodNode.rebuild(); - - return true; - } -} diff --git a/src/lombok/javac/handlers/HandleToString.java b/src/lombok/javac/handlers/HandleToString.java deleted file mode 100644 index f7251ab8..00000000 --- a/src/lombok/javac/handlers/HandleToString.java +++ /dev/null @@ -1,237 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import static lombok.javac.handlers.JavacHandlerUtil.*; - -import lombok.ToString; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -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.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCArrayTypeTree; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCMethodInvocation; -import com.sun.tools.javac.tree.JCTree.JCModifiers; -import com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree; -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; - -/** - * Handles the {@code ToString} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleToString implements JavacAnnotationHandler<ToString> { - private void checkForBogusFieldNames(JavacNode type, AnnotationValues<ToString> annotation) { - if (annotation.isExplicit("exclude")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().exclude()), type, true, false)) { - annotation.setWarning("exclude", "This field does not exist, or would have been excluded anyway.", i); - } - } - if (annotation.isExplicit("of")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().of()), type, false, false)) { - annotation.setWarning("of", "This field does not exist.", i); - } - } - } - - @Override public boolean handle(AnnotationValues<ToString> annotation, JCAnnotation ast, JavacNode annotationNode) { - ToString ann = annotation.getInstance(); - List<String> excludes = List.from(ann.exclude()); - List<String> includes = List.from(ann.of()); - JavacNode typeNode = annotationNode.up(); - - checkForBogusFieldNames(typeNode, annotation); - - Boolean callSuper = ann.callSuper(); - - if (!annotation.isExplicit("callSuper")) callSuper = null; - if (!annotation.isExplicit("exclude")) excludes = null; - if (!annotation.isExplicit("of")) includes = null; - - if (excludes != null && includes != null) { - excludes = null; - annotation.setWarning("exclude", "exclude and of are mutually exclusive; the 'exclude' parameter will be ignored."); - } - - return generateToString(typeNode, annotationNode, excludes, includes, ann.includeFieldNames(), callSuper, true); - } - - public void generateToStringForType(JavacNode typeNode, JavacNode errorNode) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(ToString.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - boolean includeFieldNames = true; - try { - includeFieldNames = ((Boolean)ToString.class.getMethod("includeFieldNames").getDefaultValue()).booleanValue(); - } catch (Exception ignore) {} - generateToString(typeNode, errorNode, null, null, includeFieldNames, null, false); - } - - private boolean generateToString(JavacNode typeNode, JavacNode errorNode, List<String> excludes, List<String> includes, - boolean includeFieldNames, Boolean callSuper, boolean whineIfExists) { - boolean notAClass = true; - if (typeNode.get() instanceof JCClassDecl) { - long flags = ((JCClassDecl)typeNode.get()).mods.flags; - notAClass = (flags & (Flags.INTERFACE | Flags.ANNOTATION | Flags.ENUM)) != 0; - } - - if (callSuper == null) { - try { - callSuper = ((Boolean)ToString.class.getMethod("callSuper").getDefaultValue()).booleanValue(); - } catch (Exception ignore) {} - } - - if (notAClass) { - errorNode.addError("@ToString is only supported on a class."); - return false; - } - - List<JavacNode> nodesForToString = List.nil(); - if (includes != null) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - if (includes.contains(fieldDecl.name.toString())) nodesForToString = nodesForToString.append(child); - } - } else { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - //Skip static fields. - if ((fieldDecl.mods.flags & Flags.STATIC) != 0) continue; - //Skip excluded fields. - if (excludes != null && excludes.contains(fieldDecl.name.toString())) continue; - //Skip fields that start with $. - if (fieldDecl.name.toString().startsWith("$")) continue; - nodesForToString = nodesForToString.append(child); - } - } - - switch (methodExists("toString", typeNode)) { - case NOT_EXISTS: - JCMethodDecl method = createToString(typeNode, nodesForToString, includeFieldNames, callSuper); - injectMethod(typeNode, method); - return true; - case EXISTS_BY_LOMBOK: - return true; - default: - case EXISTS_BY_USER: - if (whineIfExists) { - errorNode.addWarning("Not generating toString(): A method with that name already exists"); - } - return true; - } - - } - - private JCMethodDecl createToString(JavacNode typeNode, List<JavacNode> fields, boolean includeFieldNames, boolean callSuper) { - TreeMaker maker = typeNode.getTreeMaker(); - - JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil()); - JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation)); - JCExpression returnType = chainDots(maker, typeNode, "java", "lang", "String"); - - boolean first = true; - - String typeName = ((JCClassDecl) typeNode.get()).name.toString(); - String infix = ", "; - String suffix = ")"; - String prefix; - if (callSuper) { - prefix = typeName + "(super="; - } else if (fields.isEmpty()) { - prefix = typeName + "()"; - } else if (includeFieldNames) { - prefix = typeName + "(" + ((JCVariableDecl)fields.iterator().next().get()).name.toString() + "="; - } else { - prefix = typeName + "("; - } - - JCExpression current = maker.Literal(prefix); - - if (callSuper) { - JCMethodInvocation callToSuper = maker.Apply(List.<JCExpression>nil(), - maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("toString")), - List.<JCExpression>nil()); - current = maker.Binary(JCTree.PLUS, current, callToSuper); - first = false; - } - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression expr; - - if (field.vartype instanceof JCArrayTypeTree) { - boolean multiDim = ((JCArrayTypeTree)field.vartype).elemtype instanceof JCArrayTypeTree; - boolean primitiveArray = ((JCArrayTypeTree)field.vartype).elemtype instanceof JCPrimitiveTypeTree; - boolean useDeepTS = multiDim || !primitiveArray; - - JCExpression hcMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepTS ? "deepToString" : "toString"); - expr = maker.Apply(List.<JCExpression>nil(), hcMethod, List.<JCExpression>of(maker.Ident(field.name))); - } else expr = maker.Ident(field.name); - - if (first) { - current = maker.Binary(JCTree.PLUS, current, expr); - first = false; - continue; - } - - if (includeFieldNames) { - current = maker.Binary(JCTree.PLUS, current, maker.Literal(infix + fieldNode.getName() + "=")); - } else { - current = maker.Binary(JCTree.PLUS, current, maker.Literal(infix)); - } - - current = maker.Binary(JCTree.PLUS, current, expr); - } - - if (!first) current = maker.Binary(JCTree.PLUS, current, maker.Literal(suffix)); - - JCStatement returnStatement = maker.Return(current); - - JCBlock body = maker.Block(0, List.of(returnStatement)); - - return maker.MethodDef(mods, typeNode.toName("toString"), returnType, - List.<JCTypeParameter>nil(), List.<JCVariableDecl>nil(), List.<JCExpression>nil(), body, null); - } - -} diff --git a/src/lombok/javac/handlers/JavacHandlerUtil.java b/src/lombok/javac/handlers/JavacHandlerUtil.java deleted file mode 100644 index 34d8b849..00000000 --- a/src/lombok/javac/handlers/JavacHandlerUtil.java +++ /dev/null @@ -1,335 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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; - -import java.util.regex.Pattern; - -import lombok.AccessLevel; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.JavacNode; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.code.TypeTags; -import com.sun.tools.javac.tree.JCTree; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; - -/** - * Container for static utility methods useful to handlers written for javac. - */ -public class JavacHandlerUtil { - private JavacHandlerUtil() { - //Prevent instantiation - } - - /** - * Checks if the given expression (that really ought to refer to a type expression) represents a primitive type. - */ - public static boolean isPrimitive(JCExpression ref) { - String typeName = ref.toString(); - return TransformationsUtil.PRIMITIVE_TYPE_NAME_PATTERN.matcher(typeName).matches(); - } - - /** - * Translates the given field into all possible getter names. - * Convenient wrapper around {@link TransformationsUtil#toAllGetterNames(CharSequence, boolean)}. - */ - public static java.util.List<String> toAllGetterNames(JCVariableDecl field) { - CharSequence fieldName = field.name; - - boolean isBoolean = field.vartype.toString().equals("boolean"); - - return TransformationsUtil.toAllGetterNames(fieldName, isBoolean); - } - - /** - * @return the likely getter name for the stated field. (e.g. private boolean foo; to isFoo). - * - * Convenient wrapper around {@link TransformationsUtil#toGetterName(CharSequence, boolean)}. - */ - public static String toGetterName(JCVariableDecl field) { - CharSequence fieldName = field.name; - - boolean isBoolean = field.vartype.toString().equals("boolean"); - - return TransformationsUtil.toGetterName(fieldName, isBoolean); - } - - /** - * @return the likely setter name for the stated field. (e.g. private boolean foo; to setFoo). - * - * Convenient wrapper around {@link TransformationsUtil#toSetterName(CharSequence)}. - */ - public static String toSetterName(JCVariableDecl field) { - CharSequence fieldName = field.name; - - return TransformationsUtil.toSetterName(fieldName); - } - - /** Serves as return value for the methods that check for the existence of fields and methods. */ - public enum MemberExistsResult { - NOT_EXISTS, EXISTS_BY_USER, EXISTS_BY_LOMBOK; - } - - /** - * Checks if there is a field with the provided name. - * - * @param fieldName the field name to check for. - * @param node Any node that represents the Type (JCClassDecl) to look in, or any child node thereof. - */ - public static MemberExistsResult fieldExists(String fieldName, JavacNode node) { - while (node != null && !(node.get() instanceof JCClassDecl)) { - node = node.up(); - } - - if (node != null && node.get() instanceof JCClassDecl) { - for (JCTree def : ((JCClassDecl)node.get()).defs) { - if (def instanceof JCVariableDecl) { - if (((JCVariableDecl)def).name.contentEquals(fieldName)) { - JavacNode existing = node.getNodeFor(def); - if (existing == null || !existing.isHandled()) return MemberExistsResult.EXISTS_BY_USER; - return MemberExistsResult.EXISTS_BY_LOMBOK; - } - } - } - } - - return MemberExistsResult.NOT_EXISTS; - } - - /** - * Checks if there is a method with the provided name. In case of multiple methods (overloading), only - * the first method decides if EXISTS_BY_USER or EXISTS_BY_LOMBOK is returned. - * - * @param methodName the method name to check for. - * @param node Any node that represents the Type (JCClassDecl) to look in, or any child node thereof. - */ - public static MemberExistsResult methodExists(String methodName, JavacNode node) { - while (node != null && !(node.get() instanceof JCClassDecl)) { - node = node.up(); - } - - if (node != null && node.get() instanceof JCClassDecl) { - for (JCTree def : ((JCClassDecl)node.get()).defs) { - if (def instanceof JCMethodDecl) { - if (((JCMethodDecl)def).name.contentEquals(methodName)) { - JavacNode existing = node.getNodeFor(def); - if (existing == null || !existing.isHandled()) return MemberExistsResult.EXISTS_BY_USER; - return MemberExistsResult.EXISTS_BY_LOMBOK; - } - } - } - } - - return MemberExistsResult.NOT_EXISTS; - } - - /** - * Checks if there is a (non-default) constructor. In case of multiple constructors (overloading), only - * the first constructor decides if EXISTS_BY_USER or EXISTS_BY_LOMBOK is returned. - * - * @param node Any node that represents the Type (JCClassDecl) to look in, or any child node thereof. - */ - public static MemberExistsResult constructorExists(JavacNode node) { - while (node != null && !(node.get() instanceof JCClassDecl)) { - node = node.up(); - } - - if (node != null && node.get() instanceof JCClassDecl) { - for (JCTree def : ((JCClassDecl)node.get()).defs) { - if (def instanceof JCMethodDecl) { - if (((JCMethodDecl)def).name.contentEquals("<init>")) { - if ((((JCMethodDecl)def).mods.flags & Flags.GENERATEDCONSTR) != 0) continue; - JavacNode existing = node.getNodeFor(def); - if (existing == null || !existing.isHandled()) return MemberExistsResult.EXISTS_BY_USER; - return MemberExistsResult.EXISTS_BY_LOMBOK; - } - } - } - } - - return MemberExistsResult.NOT_EXISTS; - } - - /** - * Turns an {@code AccessLevel} instance into the flag bit used by javac. - */ - public static int toJavacModifier(AccessLevel accessLevel) { - switch (accessLevel) { - case MODULE: - case PACKAGE: - return 0; - default: - case PUBLIC: - return Flags.PUBLIC; - case PRIVATE: - return Flags.PRIVATE; - case PROTECTED: - return Flags.PROTECTED; - } - } - - /** - * Adds the given new field declaration to the provided type AST Node. - * - * Also takes care of updating the JavacAST. - */ - public static void injectField(JavacNode typeNode, JCVariableDecl field) { - JCClassDecl type = (JCClassDecl) typeNode.get(); - - type.defs = type.defs.append(field); - - typeNode.add(field, Kind.FIELD).recursiveSetHandled(); - } - - /** - * Adds the given new method declaration to the provided type AST Node. - * Can also inject constructors. - * - * Also takes care of updating the JavacAST. - */ - public static void injectMethod(JavacNode typeNode, JCMethodDecl method) { - JCClassDecl type = (JCClassDecl) typeNode.get(); - - if (method.getName().contentEquals("<init>")) { - //Scan for default constructor, and remove it. - int idx = 0; - for (JCTree def : type.defs) { - if (def instanceof JCMethodDecl) { - if ((((JCMethodDecl)def).mods.flags & Flags.GENERATEDCONSTR) != 0) { - JavacNode tossMe = typeNode.getNodeFor(def); - if (tossMe != null) tossMe.up().removeChild(tossMe); - type.defs = addAllButOne(type.defs, idx); - break; - } - } - idx++; - } - } - - type.defs = type.defs.append(method); - - typeNode.add(method, Kind.METHOD).recursiveSetHandled(); - } - - private static List<JCTree> addAllButOne(List<JCTree> defs, int idx) { - List<JCTree> out = List.nil(); - int i = 0; - for (JCTree def : defs) { - if (i++ != idx) out = out.append(def); - } - return out; - } - - /** - * In javac, dotted access of any kind, from {@code java.lang.String} to {@code var.methodName} - * is represented by a fold-left of {@code Select} nodes with the leftmost string represented by - * a {@code Ident} node. This method generates such an expression. - * - * For example, maker.Select(maker.Select(maker.Ident(NAME[java]), NAME[lang]), NAME[String]). - * - * @see com.sun.tools.javac.tree.JCTree.JCIdent - * @see com.sun.tools.javac.tree.JCTree.JCFieldAccess - */ - public static JCExpression chainDots(TreeMaker maker, JavacNode node, String... elems) { - assert elems != null; - assert elems.length > 0; - - JCExpression e = maker.Ident(node.toName(elems[0])); - for (int i = 1 ; i < elems.length ; i++) { - e = maker.Select(e, node.toName(elems[i])); - } - - return e; - } - - /** - * Searches the given field node for annotations and returns each one that matches the provided regular expression pattern. - * - * Only the simple name is checked - the package and any containing class are ignored. - */ - public static List<JCAnnotation> findAnnotations(JavacNode fieldNode, Pattern namePattern) { - List<JCAnnotation> result = List.nil(); - for (JavacNode child : fieldNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - JCAnnotation annotation = (JCAnnotation) child.get(); - String name = annotation.annotationType.toString(); - int idx = name.lastIndexOf("."); - String suspect = idx == -1 ? name : name.substring(idx + 1); - if (namePattern.matcher(suspect).matches()) { - result = result.append(annotation); - } - } - } - return result; - } - - /** - * Generates a new statement that checks if the given variable is null, and if so, throws a {@code NullPointerException} with the - * variable name as message. - */ - public static JCStatement generateNullCheck(TreeMaker treeMaker, JavacNode variable) { - JCVariableDecl varDecl = (JCVariableDecl) variable.get(); - if (isPrimitive(varDecl.vartype)) return null; - Name fieldName = varDecl.name; - JCExpression npe = chainDots(treeMaker, variable, "java", "lang", "NullPointerException"); - JCTree exception = treeMaker.NewClass(null, List.<JCExpression>nil(), npe, List.<JCExpression>of(treeMaker.Literal(fieldName.toString())), null); - JCStatement throwStatement = treeMaker.Throw(exception); - return treeMaker.If(treeMaker.Binary(JCTree.EQ, treeMaker.Ident(fieldName), treeMaker.Literal(TypeTags.BOT, null)), throwStatement, null); - } - - /** - * Given a list of field names and a node referring to a type, finds each name in the list that does not match a field within the type. - */ - public static List<Integer> createListOfNonExistentFields(List<String> list, JavacNode type, boolean excludeStandard, boolean excludeTransient) { - boolean[] matched = new boolean[list.size()]; - - for (JavacNode child : type.down()) { - if (list.isEmpty()) break; - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl field = (JCVariableDecl)child.get(); - if (excludeStandard) { - if ((field.mods.flags & Flags.STATIC) != 0) continue; - if (field.name.toString().startsWith("$")) continue; - } - if (excludeTransient && (field.mods.flags & Flags.TRANSIENT) != 0) continue; - - int idx = list.indexOf(child.getName()); - if (idx > -1) matched[idx] = true; - } - - List<Integer> problematic = List.nil(); - for (int i = 0 ; i < list.size() ; i++) { - if (!matched[i]) problematic = problematic.append(i); - } - - return problematic; - } -} diff --git a/src/lombok/javac/handlers/package-info.java b/src/lombok/javac/handlers/package-info.java deleted file mode 100644 index b08d6af3..00000000 --- a/src/lombok/javac/handlers/package-info.java +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * 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. - */ - -/** - * Contains the classes that implement the transformations for all of lombok's various features on the javac v1.6 platform. - */ -package lombok.javac.handlers; |