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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/eclipse/handlers/HandleData.java | |
parent | 7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff) | |
download | lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.gz lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.bz2 lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.zip |
Refactored the source folders.
Diffstat (limited to 'src/lombok/eclipse/handlers/HandleData.java')
-rw-r--r-- | src/lombok/eclipse/handlers/HandleData.java | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/src/lombok/eclipse/handlers/HandleData.java b/src/lombok/eclipse/handlers/HandleData.java deleted file mode 100644 index 8c4e07ce..00000000 --- a/src/lombok/eclipse/handlers/HandleData.java +++ /dev/null @@ -1,243 +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.eclipse.handlers; - -import static lombok.eclipse.Eclipse.*; -import static lombok.eclipse.handlers.EclipseHandlerUtil.*; - -import java.lang.reflect.Modifier; -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; - -import lombok.AccessLevel; -import lombok.Data; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.eclipse.Eclipse; -import lombok.eclipse.EclipseAnnotationHandler; -import lombok.eclipse.EclipseNode; -import lombok.eclipse.handlers.EclipseHandlerUtil.MemberExistsResult; - -import org.eclipse.jdt.internal.compiler.ast.ASTNode; -import org.eclipse.jdt.internal.compiler.ast.AllocationExpression; -import org.eclipse.jdt.internal.compiler.ast.Annotation; -import org.eclipse.jdt.internal.compiler.ast.Argument; -import org.eclipse.jdt.internal.compiler.ast.Assignment; -import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration; -import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration; -import org.eclipse.jdt.internal.compiler.ast.ExplicitConstructorCall; -import org.eclipse.jdt.internal.compiler.ast.Expression; -import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration; -import org.eclipse.jdt.internal.compiler.ast.FieldReference; -import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration; -import org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference; -import org.eclipse.jdt.internal.compiler.ast.ReturnStatement; -import org.eclipse.jdt.internal.compiler.ast.SingleNameReference; -import org.eclipse.jdt.internal.compiler.ast.SingleTypeReference; -import org.eclipse.jdt.internal.compiler.ast.Statement; -import org.eclipse.jdt.internal.compiler.ast.ThisReference; -import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration; -import org.eclipse.jdt.internal.compiler.ast.TypeParameter; -import org.eclipse.jdt.internal.compiler.ast.TypeReference; -import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; -import org.mangosdk.spi.ProviderFor; - -/** - * Handles the {@code lombok.Data} annotation for eclipse. - */ -@ProviderFor(EclipseAnnotationHandler.class) -public class HandleData implements EclipseAnnotationHandler<Data> { - public boolean handle(AnnotationValues<Data> annotation, Annotation ast, EclipseNode annotationNode) { - Data ann = annotation.getInstance(); - EclipseNode typeNode = annotationNode.up(); - - TypeDeclaration typeDecl = null; - if (typeNode.get() instanceof TypeDeclaration) typeDecl = (TypeDeclaration) typeNode.get(); - int modifiers = typeDecl == null ? 0 : typeDecl.modifiers; - boolean notAClass = (modifiers & - (ClassFileConstants.AccInterface | ClassFileConstants.AccAnnotation | ClassFileConstants.AccEnum)) != 0; - - if (typeDecl == null || notAClass) { - annotationNode.addError("@Data is only supported on a class."); - return false; - } - - List<EclipseNode> nodesForConstructor = new ArrayList<EclipseNode>(); - for (EclipseNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - FieldDeclaration fieldDecl = (FieldDeclaration) child.get(); - //Skip fields that start with $ - if (fieldDecl.name.length > 0 && fieldDecl.name[0] == '$') continue; - //Skip static fields. - if ((fieldDecl.modifiers & ClassFileConstants.AccStatic) != 0) continue; - boolean isFinal = (fieldDecl.modifiers & ClassFileConstants.AccFinal) != 0; - boolean isNonNull = findAnnotations(fieldDecl, TransformationsUtil.NON_NULL_PATTERN).length != 0; - if ((isFinal || isNonNull) && fieldDecl.initialization == null) nodesForConstructor.add(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); - - //Careful: Generate the public static constructor (if there is one) LAST, so that any attempt to - //'find callers' on the annotation node will find callers of the constructor, which is by far the - //most useful of the many methods built by @Data. This trick won't work for the non-static constructor, - //for whatever reason, though you can find callers of that one by focusing on the class name itself - //and hitting 'find callers'. - - if (constructorExists(typeNode) == MemberExistsResult.NOT_EXISTS) { - ConstructorDeclaration constructor = createConstructor( - ann.staticConstructor().length() == 0, typeNode, nodesForConstructor, ast); - injectMethod(typeNode, constructor); - } - - if (ann.staticConstructor().length() > 0) { - if (methodExists("of", typeNode) == MemberExistsResult.NOT_EXISTS) { - MethodDeclaration staticConstructor = createStaticConstructor( - ann.staticConstructor(), typeNode, nodesForConstructor, ast); - injectMethod(typeNode, staticConstructor); - } - } - - return false; - } - - private ConstructorDeclaration createConstructor(boolean isPublic, - EclipseNode type, Collection<EclipseNode> fields, ASTNode source) { - long p = (long)source.sourceStart << 32 | source.sourceEnd; - - ConstructorDeclaration constructor = new ConstructorDeclaration( - ((CompilationUnitDeclaration) type.top().get()).compilationResult); - Eclipse.setGeneratedBy(constructor, source); - - constructor.modifiers = EclipseHandlerUtil.toEclipseModifier(isPublic ? AccessLevel.PUBLIC : AccessLevel.PRIVATE); - constructor.annotations = null; - constructor.selector = ((TypeDeclaration)type.get()).name; - constructor.constructorCall = new ExplicitConstructorCall(ExplicitConstructorCall.ImplicitSuper); - Eclipse.setGeneratedBy(constructor.constructorCall, source); - constructor.thrownExceptions = null; - constructor.typeParameters = null; - constructor.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG; - constructor.bodyStart = constructor.declarationSourceStart = constructor.sourceStart = source.sourceStart; - constructor.bodyEnd = constructor.declarationSourceEnd = constructor.sourceEnd = source.sourceEnd; - constructor.arguments = null; - - List<Argument> args = new ArrayList<Argument>(); - List<Statement> assigns = new ArrayList<Statement>(); - List<Statement> nullChecks = new ArrayList<Statement>(); - - for (EclipseNode fieldNode : fields) { - FieldDeclaration field = (FieldDeclaration) fieldNode.get(); - FieldReference thisX = new FieldReference(("this." + new String(field.name)).toCharArray(), p); - Eclipse.setGeneratedBy(thisX, source); - thisX.receiver = new ThisReference((int)(p >> 32), (int)p); - Eclipse.setGeneratedBy(thisX.receiver, source); - thisX.token = field.name; - - SingleNameReference assignmentNameRef = new SingleNameReference(field.name, p); - Eclipse.setGeneratedBy(assignmentNameRef, source); - Assignment assignment = new Assignment(thisX, assignmentNameRef, (int)p); - Eclipse.setGeneratedBy(assignment, source); - assigns.add(assignment); - long fieldPos = (((long)field.sourceStart) << 32) | field.sourceEnd; - Argument argument = new Argument(field.name, fieldPos, copyType(field.type, source), Modifier.FINAL); - Eclipse.setGeneratedBy(argument, source); - Annotation[] nonNulls = findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN); - Annotation[] nullables = findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN); - if (nonNulls.length != 0) { - Statement nullCheck = generateNullCheck(field, source); - if (nullCheck != null) nullChecks.add(nullCheck); - } - Annotation[] copiedAnnotations = copyAnnotations(nonNulls, nullables, source); - if (copiedAnnotations.length != 0) argument.annotations = copiedAnnotations; - args.add(argument); - } - - nullChecks.addAll(assigns); - constructor.statements = nullChecks.isEmpty() ? null : nullChecks.toArray(new Statement[nullChecks.size()]); - constructor.arguments = args.isEmpty() ? null : args.toArray(new Argument[args.size()]); - return constructor; - } - - private MethodDeclaration createStaticConstructor(String name, EclipseNode type, Collection<EclipseNode> fields, ASTNode source) { - int pS = source.sourceStart, pE = source.sourceEnd; - long p = (long)pS << 32 | pE; - - MethodDeclaration constructor = new MethodDeclaration( - ((CompilationUnitDeclaration) type.top().get()).compilationResult); - Eclipse.setGeneratedBy(constructor, source); - - constructor.modifiers = EclipseHandlerUtil.toEclipseModifier(AccessLevel.PUBLIC) | Modifier.STATIC; - TypeDeclaration typeDecl = (TypeDeclaration) type.get(); - if (typeDecl.typeParameters != null && typeDecl.typeParameters.length > 0) { - TypeReference[] refs = new TypeReference[typeDecl.typeParameters.length]; - int idx = 0; - for (TypeParameter param : typeDecl.typeParameters) { - TypeReference typeRef = new SingleTypeReference(param.name, (long)param.sourceStart << 32 | param.sourceEnd); - Eclipse.setGeneratedBy(typeRef, source); - refs[idx++] = typeRef; - } - constructor.returnType = new ParameterizedSingleTypeReference(typeDecl.name, refs, 0, p); - } else constructor.returnType = new SingleTypeReference(((TypeDeclaration)type.get()).name, p); - Eclipse.setGeneratedBy(constructor.returnType, source); - constructor.annotations = null; - constructor.selector = name.toCharArray(); - constructor.thrownExceptions = null; - constructor.typeParameters = copyTypeParams(((TypeDeclaration)type.get()).typeParameters, source); - constructor.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG; - constructor.bodyStart = constructor.declarationSourceStart = constructor.sourceStart = source.sourceStart; - constructor.bodyEnd = constructor.declarationSourceEnd = constructor.sourceEnd = source.sourceEnd; - - List<Argument> args = new ArrayList<Argument>(); - List<Expression> assigns = new ArrayList<Expression>(); - AllocationExpression statement = new AllocationExpression(); - statement.sourceStart = pS; statement.sourceEnd = pE; - Eclipse.setGeneratedBy(statement, source); - statement.type = copyType(constructor.returnType, source); - - for (EclipseNode fieldNode : fields) { - FieldDeclaration field = (FieldDeclaration) fieldNode.get(); - long fieldPos = (((long)field.sourceStart) << 32) | field.sourceEnd; - SingleNameReference nameRef = new SingleNameReference(field.name, fieldPos); - Eclipse.setGeneratedBy(nameRef, source); - assigns.add(nameRef); - - Argument argument = new Argument(field.name, fieldPos, copyType(field.type, source), 0); - Eclipse.setGeneratedBy(argument, source); - - Annotation[] copiedAnnotations = copyAnnotations( - findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN), - findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN), source); - if (copiedAnnotations.length != 0) argument.annotations = copiedAnnotations; - args.add(new Argument(field.name, fieldPos, copyType(field.type, source), Modifier.FINAL)); - } - - statement.arguments = assigns.isEmpty() ? null : assigns.toArray(new Expression[assigns.size()]); - constructor.arguments = args.isEmpty() ? null : args.toArray(new Argument[args.size()]); - constructor.statements = new Statement[] { new ReturnStatement(statement, (int)(p >> 32), (int)p) }; - Eclipse.setGeneratedBy(constructor.statements[0], source); - return constructor; - } -} |