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-rw-r--r--src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java25
-rw-r--r--src/core/lombok/eclipse/handlers/HandleSetter.java25
-rw-r--r--src/core/lombok/eclipse/handlers/HandleWither.java271
3 files changed, 300 insertions, 21 deletions
diff --git a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
index f9bb18b1..8b330816 100644
--- a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
+++ b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
@@ -476,6 +476,31 @@ public class EclipseHandlerUtil {
return typeMatches(type, node, ((Annotation)node.get()).type);
}
+ public static TypeReference cloneSelfType(EclipseNode context, ASTNode source) {
+ int pS = source.sourceStart, pE = source.sourceEnd;
+ long p = (long)pS << 32 | pE;
+ EclipseNode type = context;
+ TypeReference result = null;
+ while (type != null && type.getKind() != Kind.TYPE) type = type.up();
+ if (type != null && type.get() instanceof TypeDeclaration) {
+ 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);
+ setGeneratedBy(typeRef, source);
+ refs[idx++] = typeRef;
+ }
+ result = new ParameterizedSingleTypeReference(typeDecl.name, refs, 0, p);
+ } else {
+ result = new SingleTypeReference(((TypeDeclaration)type.get()).name, p);
+ }
+ }
+ if (result != null) setGeneratedBy(result, source);
+ return result;
+ }
+
public static TypeReference makeType(TypeBinding binding, ASTNode pos, boolean allowCompound) {
int dims = binding.dimensions();
binding = binding.leafComponentType();
diff --git a/src/core/lombok/eclipse/handlers/HandleSetter.java b/src/core/lombok/eclipse/handlers/HandleSetter.java
index 996ac14a..0bce69d6 100644
--- a/src/core/lombok/eclipse/handlers/HandleSetter.java
+++ b/src/core/lombok/eclipse/handlers/HandleSetter.java
@@ -46,14 +46,11 @@ import org.eclipse.jdt.internal.compiler.ast.Expression;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.NameReference;
-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.eclipse.jdt.internal.compiler.lookup.TypeIds;
@@ -183,11 +180,11 @@ public class HandleSetter extends EclipseAnnotationHandler<Setter> {
}
}
- MethodDeclaration method = generateSetter((TypeDeclaration) fieldNode.up().get(), fieldNode, setterName, shouldReturnThis, modifier, source);
+ MethodDeclaration method = createSetter((TypeDeclaration) fieldNode.up().get(), fieldNode, setterName, shouldReturnThis, modifier, source);
injectMethod(fieldNode.up(), method);
}
- private MethodDeclaration generateSetter(TypeDeclaration parent, EclipseNode fieldNode, String name, boolean shouldReturnThis, int modifier, ASTNode source) {
+ private MethodDeclaration createSetter(TypeDeclaration parent, EclipseNode fieldNode, String name, boolean shouldReturnThis, int modifier, ASTNode source) {
FieldDeclaration field = (FieldDeclaration) fieldNode.get();
int pS = source.sourceStart, pE = source.sourceEnd;
long p = (long)pS << 32 | pE;
@@ -195,29 +192,15 @@ public class HandleSetter extends EclipseAnnotationHandler<Setter> {
setGeneratedBy(method, source);
method.modifiers = modifier;
if (shouldReturnThis) {
- EclipseNode type = fieldNode;
- while (type != null && type.getKind() != Kind.TYPE) type = type.up();
- if (type != null && type.get() instanceof TypeDeclaration) {
- 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);
- setGeneratedBy(typeRef, source);
- refs[idx++] = typeRef;
- }
- method.returnType = new ParameterizedSingleTypeReference(typeDecl.name, refs, 0, p);
- } else method.returnType = new SingleTypeReference(((TypeDeclaration)type.get()).name, p);
- }
+ method.returnType = cloneSelfType(fieldNode, source);
}
if (method.returnType == null) {
method.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0);
method.returnType.sourceStart = pS; method.returnType.sourceEnd = pE;
+ setGeneratedBy(method.returnType, source);
shouldReturnThis = false;
}
- setGeneratedBy(method.returnType, source);
if (isFieldDeprecated(fieldNode)) {
method.annotations = new Annotation[] { generateDeprecatedAnnotation(source) };
}
diff --git a/src/core/lombok/eclipse/handlers/HandleWither.java b/src/core/lombok/eclipse/handlers/HandleWither.java
new file mode 100644
index 00000000..90253ade
--- /dev/null
+++ b/src/core/lombok/eclipse/handlers/HandleWither.java
@@ -0,0 +1,271 @@
+/*
+ * Copyright (C) 2012 The Project Lombok Authors.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.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.core.AST.Kind;
+import lombok.core.AnnotationValues;
+import lombok.core.TransformationsUtil;
+import lombok.eclipse.EclipseAnnotationHandler;
+import lombok.eclipse.EclipseNode;
+import lombok.eclipse.handlers.EclipseHandlerUtil.FieldAccess;
+import lombok.experimental.Wither;
+
+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.ConditionalExpression;
+import org.eclipse.jdt.internal.compiler.ast.EqualExpression;
+import org.eclipse.jdt.internal.compiler.ast.Expression;
+import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.OperatorIds;
+import org.eclipse.jdt.internal.compiler.ast.ReturnStatement;
+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.mangosdk.spi.ProviderFor;
+
+@ProviderFor(EclipseAnnotationHandler.class)
+public class HandleWither extends EclipseAnnotationHandler<Wither> {
+ public boolean generateWitherForType(EclipseNode typeNode, EclipseNode pos, AccessLevel level, boolean checkForTypeLevelWither) {
+ if (checkForTypeLevelWither) {
+ if (typeNode != null) for (EclipseNode child : typeNode.down()) {
+ if (child.getKind() == Kind.ANNOTATION) {
+ if (annotationTypeMatches(Wither.class, child)) {
+ //The annotation will make it happen, so we can skip it.
+ return true;
+ }
+ }
+ }
+ }
+
+ 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) {
+ pos.addError("@Wither is only supported on a class or a field.");
+ return false;
+ }
+
+ for (EclipseNode field : typeNode.down()) {
+ if (field.getKind() != Kind.FIELD) continue;
+ FieldDeclaration fieldDecl = (FieldDeclaration) field.get();
+ if (!filterField(fieldDecl)) continue;
+
+ //Skip final fields.
+ if ((fieldDecl.modifiers & ClassFileConstants.AccFinal) != 0 && fieldDecl.initialization != null) continue;
+
+ generateWitherForField(field, pos.get(), level);
+ }
+ return true;
+ }
+
+
+ /**
+ * Generates a wither on the stated field.
+ *
+ * Used by {@link HandleValue}.
+ *
+ * The difference between this call and the handle method is as follows:
+ *
+ * If there is a {@code lombok.experimental.Wither} 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 wither 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 generateWitherForField(EclipseNode fieldNode, ASTNode pos, AccessLevel level) {
+ for (EclipseNode child : fieldNode.down()) {
+ if (child.getKind() == Kind.ANNOTATION) {
+ if (annotationTypeMatches(Wither.class, child)) {
+ //The annotation will make it happen, so we can skip it.
+ return;
+ }
+ }
+ }
+
+ createWitherForField(level, fieldNode, fieldNode, pos, false);
+ }
+
+ @Override public void handle(AnnotationValues<Wither> annotation, Annotation ast, EclipseNode annotationNode) {
+ EclipseNode node = annotationNode.up();
+ AccessLevel level = annotation.getInstance().value();
+ if (level == AccessLevel.NONE || node == null) return;
+
+ switch (node.getKind()) {
+ case FIELD:
+ createWitherForFields(level, annotationNode.upFromAnnotationToFields(), annotationNode, annotationNode.get(), true);
+ break;
+ case TYPE:
+ generateWitherForType(node, annotationNode, level, false);
+ break;
+ }
+ }
+
+ private void createWitherForFields(AccessLevel level, Collection<EclipseNode> fieldNodes, EclipseNode errorNode, ASTNode source, boolean whineIfExists) {
+ for (EclipseNode fieldNode : fieldNodes) {
+ createWitherForField(level, fieldNode, errorNode, source, whineIfExists);
+ }
+ }
+
+ private void createWitherForField(AccessLevel level,
+ EclipseNode fieldNode, EclipseNode errorNode, ASTNode source, boolean whineIfExists) {
+ if (fieldNode.getKind() != Kind.FIELD) {
+ errorNode.addError("@Wither is only supported on a class or a field.");
+ return;
+ }
+
+ FieldDeclaration field = (FieldDeclaration) fieldNode.get();
+ TypeReference fieldType = copyType(field.type, source);
+ boolean isBoolean = nameEquals(fieldType.getTypeName(), "boolean") && fieldType.dimensions() == 0;
+ String witherName = toWitherName(fieldNode, isBoolean);
+
+ if (witherName == null) {
+ errorNode.addWarning("Not generating wither for this field: It does not fit your @Accessors prefix list.");
+ return;
+ }
+
+ if ((field.modifiers & ClassFileConstants.AccStatic) != 0) {
+ errorNode.addWarning("Not generating wither for this field: Withers cannot be generated for static fields.");
+ return;
+ }
+
+ if ((field.modifiers & ClassFileConstants.AccFinal) != 0 && field.initialization != null) {
+ errorNode.addWarning("Not generating wither for this field: Withers cannot be generated for final, initialized fields.");
+ return;
+ }
+
+ if (field.name != null && field.name.length > 0 && field.name[0] == '$') {
+ errorNode.addWarning("Not generating wither for this field: Withers cannot be generated for fields starting with $.");
+ return;
+ }
+
+ for (String altName : toAllWitherNames(fieldNode, isBoolean)) {
+ switch (methodExists(altName, fieldNode, false, 1)) {
+ case EXISTS_BY_LOMBOK:
+ return;
+ case EXISTS_BY_USER:
+ if (whineIfExists) {
+ String altNameExpl = "";
+ if (!altName.equals(witherName)) altNameExpl = String.format(" (%s)", altName);
+ errorNode.addWarning(
+ String.format("Not generating %s(): A method with that name already exists%s", witherName, altNameExpl));
+ }
+ return;
+ default:
+ case NOT_EXISTS:
+ //continue scanning the other alt names.
+ }
+ }
+
+ int modifier = toEclipseModifier(level);
+
+ MethodDeclaration method = createWither((TypeDeclaration) fieldNode.up().get(), fieldNode, witherName, modifier, source);
+ injectMethod(fieldNode.up(), method);
+ }
+
+ private MethodDeclaration createWither(TypeDeclaration parent, EclipseNode fieldNode, String name, int modifier, ASTNode source) {
+ if (name == null) return null;
+ FieldDeclaration field = (FieldDeclaration) fieldNode.get();
+ int pS = source.sourceStart, pE = source.sourceEnd;
+ long p = (long)pS << 32 | pE;
+ MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
+ method.modifiers = modifier;
+ method.returnType = cloneSelfType(fieldNode, source);
+ if (method.returnType == null) return null;
+
+ if (isFieldDeprecated(fieldNode)) {
+ method.annotations = new Annotation[] { generateDeprecatedAnnotation(source) };
+ }
+ Argument param = new Argument(field.name, p, copyType(field.type, source), Modifier.FINAL);
+ param.sourceStart = pS; param.sourceEnd = pE;
+ 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;
+
+ List<Expression> args = new ArrayList<Expression>();
+ for (EclipseNode child : fieldNode.up().down()) {
+ if (child.getKind() != Kind.FIELD) continue;
+ FieldDeclaration childDecl = (FieldDeclaration) child.get();
+ // Skip fields that start with $
+ if (childDecl.name.toString().startsWith("$")) continue;
+ long fieldFlags = childDecl.modifiers;
+ // Skip static fields.
+ if ((fieldFlags & ClassFileConstants.AccStatic) != 0) continue;
+ // Skip initialized final fields.
+ if (((fieldFlags & ClassFileConstants.AccFinal) != 0) && childDecl.initialization != null) continue;
+ if (child.get() == fieldNode.get()) {
+ args.add(new SingleNameReference(field.name, p));
+ } else {
+ args.add(createFieldAccessor(child, FieldAccess.ALWAYS_FIELD, source));
+ }
+ }
+
+ AllocationExpression constructorCall = new AllocationExpression();
+ constructorCall.arguments = args.toArray(new Expression[0]);
+ constructorCall.type = cloneSelfType(fieldNode, source);
+
+ Expression identityCheck = new EqualExpression(
+ new SingleNameReference(field.name, p),
+ createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source),
+ OperatorIds.EQUAL_EQUAL);
+ ThisReference thisRef = new ThisReference(pS, pE);
+ Expression conditional = new ConditionalExpression(identityCheck, thisRef, constructorCall);
+ Statement returnStatement = new ReturnStatement(conditional, pS, pE);
+ 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);
+ List<Statement> statements = new ArrayList<Statement>(5);
+ if (nonNulls.length > 0) {
+ Statement nullCheck = generateNullCheck(field, source);
+ if (nullCheck != null) statements.add(nullCheck);
+ }
+ statements.add(returnStatement);
+
+ method.statements = statements.toArray(new Statement[0]);
+
+ Annotation[] copiedAnnotations = copyAnnotations(source, nonNulls, nullables);
+ if (copiedAnnotations.length != 0) param.annotations = copiedAnnotations;
+ method.traverse(new SetGeneratedByVisitor(source), parent.scope);
+ return method;
+ }
+}
generated by cgit (git 2.46.0) at 2024-11-24 06:40:12 +0000