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authorReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
committerReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
commit1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch)
treee5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/eclipse/handlers/HandleSetter.java
parent7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff)
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Refactored the source folders.
Diffstat (limited to 'src/lombok/eclipse/handlers/HandleSetter.java')
-rw-r--r--src/lombok/eclipse/handlers/HandleSetter.java172
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diff --git a/src/lombok/eclipse/handlers/HandleSetter.java b/src/lombok/eclipse/handlers/HandleSetter.java
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-/*
- * 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 lombok.AccessLevel;
-import lombok.Setter;
-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 org.eclipse.jdt.internal.compiler.ast.ASTNode;
-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.FieldDeclaration;
-import org.eclipse.jdt.internal.compiler.ast.FieldReference;
-import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
-import org.eclipse.jdt.internal.compiler.ast.NameReference;
-import org.eclipse.jdt.internal.compiler.ast.SingleNameReference;
-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.TypeReference;
-import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
-import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
-import org.mangosdk.spi.ProviderFor;
-
-/**
- * Handles the {@code lombok.Setter} annotation for eclipse.
- */
-@ProviderFor(EclipseAnnotationHandler.class)
-public class HandleSetter implements EclipseAnnotationHandler<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.
- */
- public void generateSetterForField(EclipseNode fieldNode, ASTNode pos) {
- for (EclipseNode child : fieldNode.down()) {
- if (child.getKind() == Kind.ANNOTATION) {
- if (annotationTypeMatches(Setter.class, child)) {
- //The annotation will make it happen, so we can skip it.
- return;
- }
- }
- }
-
- createSetterForField(AccessLevel.PUBLIC, fieldNode, fieldNode, pos, false);
- }
-
- public boolean handle(AnnotationValues<Setter> annotation, Annotation ast, EclipseNode annotationNode) {
- EclipseNode fieldNode = annotationNode.up();
- if (fieldNode.getKind() != Kind.FIELD) return false;
- AccessLevel level = annotation.getInstance().value();
- if (level == AccessLevel.NONE) return true;
-
- return createSetterForField(level, fieldNode, annotationNode, annotationNode.get(), true);
- }
-
- private boolean createSetterForField(AccessLevel level,
- EclipseNode fieldNode, EclipseNode errorNode, ASTNode pos, boolean whineIfExists) {
- if (fieldNode.getKind() != Kind.FIELD) {
- errorNode.addError("@Setter is only supported on a field.");
- return true;
- }
-
- FieldDeclaration field = (FieldDeclaration) fieldNode.get();
- String setterName = TransformationsUtil.toSetterName(new String(field.name));
-
- int modifier = toEclipseModifier(level) | (field.modifiers & ClassFileConstants.AccStatic);
-
- switch (methodExists(setterName, 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",
- setterName, field.type, new String(field.name)));
- return true;
- default:
- case NOT_EXISTS:
- //continue with creating the setter
- }
-
- MethodDeclaration method = generateSetter((TypeDeclaration) fieldNode.up().get(), field, setterName, modifier, pos);
-
- injectMethod(fieldNode.up(), method);
-
- return true;
- }
-
- private MethodDeclaration generateSetter(TypeDeclaration parent, FieldDeclaration field, String name,
- int modifier, ASTNode source) {
-
- int pS = source.sourceStart, pE = source.sourceEnd;
- long p = (long)pS << 32 | pE;
- MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
- Eclipse.setGeneratedBy(method, source);
- method.modifiers = modifier;
- method.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0);
- method.returnType.sourceStart = pS; method.returnType.sourceEnd = pE;
- Eclipse.setGeneratedBy(method.returnType, source);
- method.annotations = null;
- Argument param = new Argument(field.name, p, copyType(field.type, source), Modifier.FINAL);
- param.sourceStart = pS; param.sourceEnd = pE;
- Eclipse.setGeneratedBy(param, source);
- method.arguments = new Argument[] { param };
- method.selector = name.toCharArray();
- method.binding = null;
- method.thrownExceptions = null;
- method.typeParameters = null;
- method.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
- FieldReference thisX = new FieldReference(field.name, p);
- Eclipse.setGeneratedBy(thisX, source);
- thisX.receiver = new ThisReference(source.sourceStart, source.sourceEnd);
- Eclipse.setGeneratedBy(thisX.receiver, source);
- NameReference fieldNameRef = new SingleNameReference(field.name, p);
- Eclipse.setGeneratedBy(fieldNameRef, source);
- Assignment assignment = new Assignment(thisX, fieldNameRef, (int)p);
- assignment.sourceStart = pS; assignment.sourceEnd = pE;
- Eclipse.setGeneratedBy(assignment, source);
- method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
- method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
-
- Annotation[] nonNulls = findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN);
- Annotation[] nullables = findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN);
- if (nonNulls.length == 0) {
- method.statements = new Statement[] { assignment };
- } else {
- Statement nullCheck = generateNullCheck(field, source);
- if (nullCheck != null) method.statements = new Statement[] { nullCheck, assignment };
- else method.statements = new Statement[] { assignment };
- }
- Annotation[] copiedAnnotations = copyAnnotations(nonNulls, nullables, source);
- if (copiedAnnotations.length != 0) param.annotations = copiedAnnotations;
- return method;
- }
-}