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Diffstat (limited to 'src/core/lombok/eclipse/handlers/HandleBuilder.java')
-rw-r--r--src/core/lombok/eclipse/handlers/HandleBuilder.java244
1 files changed, 48 insertions, 196 deletions
diff --git a/src/core/lombok/eclipse/handlers/HandleBuilder.java b/src/core/lombok/eclipse/handlers/HandleBuilder.java
index 08ef91b5..d4cdc654 100644
--- a/src/core/lombok/eclipse/handlers/HandleBuilder.java
+++ b/src/core/lombok/eclipse/handlers/HandleBuilder.java
@@ -25,7 +25,6 @@ import static lombok.eclipse.Eclipse.*;
import static lombok.core.handlers.HandlerUtil.*;
import static lombok.eclipse.handlers.EclipseHandlerUtil.*;
-import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
@@ -41,7 +40,6 @@ import org.eclipse.jdt.internal.compiler.ast.Assignment;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.ast.ConditionalExpression;
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.FalseLiteral;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
@@ -52,7 +50,6 @@ import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.OperatorIds;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference;
-import org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference;
import org.eclipse.jdt.internal.compiler.ast.QualifiedThisReference;
import org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.ReturnStatement;
@@ -84,7 +81,6 @@ import lombok.core.HandlerPriority;
import lombok.eclipse.Eclipse;
import lombok.eclipse.EclipseAnnotationHandler;
import lombok.eclipse.EclipseNode;
-import lombok.eclipse.handlers.EclipseHandlerUtil.MemberExistsResult;
import lombok.eclipse.handlers.EclipseSingularsRecipes.EclipseSingularizer;
import lombok.eclipse.handlers.EclipseSingularsRecipes.SingularData;
import lombok.eclipse.handlers.HandleConstructor.SkipIfConstructorExists;
@@ -106,7 +102,6 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
}
private static class BuilderFieldData {
- EclipseNode fieldNode;
TypeReference type;
char[] rawName;
char[] name;
@@ -160,10 +155,6 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
String builderMethodName = builderInstance.builderMethodName();
String buildMethodName = builderInstance.buildMethodName();
String builderClassName = builderInstance.builderClassName();
-
- boolean inherit = builderInstance.inherit();
- boolean extensible = inherit || builderInstance.extensible(); // inherit implies extendable
-
String toBuilderMethodName = "toBuilder";
boolean toBuilder = builderInstance.toBuilder();
List<char[]> typeArgsForToBuilder = null;
@@ -191,11 +182,9 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
boolean addCleaning = false;
boolean isStatic = true;
- TypeDeclaration td = null;
-
if (parent.get() instanceof TypeDeclaration) {
tdParent = parent;
- td = (TypeDeclaration) tdParent.get();
+ TypeDeclaration td = (TypeDeclaration) tdParent.get();
List<EclipseNode> allFields = new ArrayList<EclipseNode>();
boolean valuePresent = (hasAnnotation(lombok.Value.class, parent) || hasAnnotation("lombok.experimental.Value", parent));
@@ -205,7 +194,6 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
boolean isFinal = ((fd.modifiers & ClassFileConstants.AccFinal) != 0) || (valuePresent && !hasAnnotation(NonFinal.class, fieldNode));
BuilderFieldData bfd = new BuilderFieldData();
- bfd.fieldNode = fieldNode;
bfd.rawName = fieldNode.getName().toCharArray();
bfd.name = removePrefixFromField(fieldNode);
bfd.type = fd.type;
@@ -239,29 +227,15 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
allFields.add(fieldNode);
}
- if (builderClassName.isEmpty()) builderClassName = new String(td.name) + "Builder";
-
- if (extensible) {
- boolean callBuilderBasedSuperConstructor = td.superclass != null;
- generateBuilderBasedConstructor(tdParent, builderFields, annotationNode, builderClassName, callBuilderBasedSuperConstructor);
- } else {
- handleConstructor.generateConstructor(tdParent, AccessLevel.PACKAGE, allFields, false, null, SkipIfConstructorExists.I_AM_BUILDER,
- Collections.<Annotation>emptyList(), annotationNode);
- }
+ handleConstructor.generateConstructor(tdParent, AccessLevel.PACKAGE, allFields, false, null, SkipIfConstructorExists.I_AM_BUILDER,
+ Collections.<Annotation>emptyList(), annotationNode);
returnType = namePlusTypeParamsToTypeReference(td.name, td.typeParameters, p);
typeParams = td.typeParameters;
thrownExceptions = null;
nameOfStaticBuilderMethod = null;
+ if (builderClassName.isEmpty()) builderClassName = new String(td.name) + "Builder";
} else if (parent.get() instanceof ConstructorDeclaration) {
- if (inherit) {
- annotationNode.addError("@Builder(inherit=true) is only supported for type builders.");
- return;
- }
- if (extensible) {
- annotationNode.addError("@Builder(extensible=true) is only supported for type builders.");
- return;
- }
ConstructorDeclaration cd = (ConstructorDeclaration) parent.get();
if (cd.typeParameters != null && cd.typeParameters.length > 0) {
annotationNode.addError("@Builder is not supported on constructors with constructor type parameters.");
@@ -269,21 +243,13 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
}
tdParent = parent.up();
- td = (TypeDeclaration) tdParent.get();
+ TypeDeclaration td = (TypeDeclaration) tdParent.get();
returnType = namePlusTypeParamsToTypeReference(td.name, td.typeParameters, p);
typeParams = td.typeParameters;
thrownExceptions = cd.thrownExceptions;
nameOfStaticBuilderMethod = null;
if (builderClassName.isEmpty()) builderClassName = new String(cd.selector) + "Builder";
} else if (parent.get() instanceof MethodDeclaration) {
- if (inherit) {
- annotationNode.addError("@Builder(inherit=true) is only supported for type builders.");
- return;
- }
- if (extensible) {
- annotationNode.addError("@Builder(extendable=true) is only supported for type builders.");
- return;
- }
MethodDeclaration md = (MethodDeclaration) parent.get();
tdParent = parent.up();
isStatic = md.isStatic();
@@ -414,20 +380,7 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
EclipseNode builderType = findInnerClass(tdParent, builderClassName);
if (builderType == null) {
- String superclassBuilderClassName = null;
- if (inherit) {
- if (td.superclass == null) {
- annotationNode.addError("@Builder(inherit = true) requires that your class has an 'extends' clause.");
- return;
- }
-
- superclassBuilderClassName = builderInstance.superclassBuilderClassName();
- if (superclassBuilderClassName == null || superclassBuilderClassName.isEmpty()) {
- superclassBuilderClassName = new String(td.superclass.getLastToken()) + "Builder";
- }
- }
-
- builderType = makeBuilderClass(isStatic, tdParent, builderClassName, typeParams, ast, superclassBuilderClassName);
+ builderType = makeBuilderClass(isStatic, tdParent, builderClassName, typeParams, ast);
} else {
TypeDeclaration builderTypeDeclaration = (TypeDeclaration) builderType.get();
if (isStatic && (builderTypeDeclaration.modifiers & ClassFileConstants.AccStatic) == 0) {
@@ -491,7 +444,7 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
}
if (methodExists(buildMethodName, builderType, -1) == MemberExistsResult.NOT_EXISTS) {
- MethodDeclaration md = generateBuildMethod(tdParent, isStatic, buildMethodName, nameOfStaticBuilderMethod, returnType, builderFields, builderType, thrownExceptions, addCleaning, ast, extensible);
+ MethodDeclaration md = generateBuildMethod(tdParent, isStatic, buildMethodName, nameOfStaticBuilderMethod, returnType, builderFields, builderType, thrownExceptions, addCleaning, ast);
if (md != null) injectMethod(builderType, md);
}
@@ -539,7 +492,8 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
int pS = source.sourceStart, pE = source.sourceEnd;
long p = (long) pS << 32 | pE;
- MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
+ MethodDeclaration out = new MethodDeclaration(
+ ((CompilationUnitDeclaration) type.top().get()).compilationResult);
out.selector = methodName.toCharArray();
out.modifiers = ClassFileConstants.AccPublic;
out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
@@ -577,92 +531,6 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
}
- /**
- * Generates a constructor that has a builder as the only parameter.
- * The values from the builder are used to initialize the fields of new instances.
- *
- * @param typeNode
- * the type (with the {@code @Builder} annotation) for which a
- * constructor should be generated.
- * @param builderFields a list of fields in the builder which should be assigned to new instances.
- * @param sourceNode the annotation (used for setting source code locations for the generated code).
- * @param builderClassnameAsParameter
- * If {@code != null}, the only parameter of the constructor will
- * be a builder with this classname; the constructor will then
- * use the values within this builder to assign the fields of new
- * instances.
- * @param callBuilderBasedSuperConstructor
- * If {@code true}, the constructor will explicitly call a super
- * constructor with the builder as argument. Requires
- * {@code builderClassAsParameter != null}.
- */
- private void generateBuilderBasedConstructor(EclipseNode typeNode, List<BuilderFieldData> builderFields, EclipseNode sourceNode,
- String builderClassnameAsParameter, boolean callBuilderBasedSuperConstructor) {
-
- ASTNode source = sourceNode.get();
-
- TypeDeclaration typeDeclaration = ((TypeDeclaration) typeNode.get());
- long p = (long) source.sourceStart << 32 | source.sourceEnd;
-
- ConstructorDeclaration constructor = new ConstructorDeclaration(((CompilationUnitDeclaration) typeNode.top().get()).compilationResult);
-
- constructor.modifiers = toEclipseModifier(AccessLevel.PROTECTED);
- constructor.selector = typeDeclaration.name;
- if (callBuilderBasedSuperConstructor) {
- constructor.constructorCall = new ExplicitConstructorCall(ExplicitConstructorCall.Super);
- constructor.constructorCall.arguments = new Expression[] {new SingleNameReference("b".toCharArray(), p)};
- } else {
- constructor.constructorCall = new ExplicitConstructorCall(ExplicitConstructorCall.ImplicitSuper);
- }
- constructor.constructorCall.sourceStart = source.sourceStart;
- constructor.constructorCall.sourceEnd = source.sourceEnd;
- constructor.thrownExceptions = null;
- constructor.typeParameters = null;
- constructor.bits |= 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<Statement> statements = new ArrayList<Statement>();
- List<Statement> nullChecks = new ArrayList<Statement>();
-
- for (BuilderFieldData fieldNode : builderFields) {
- char[] fieldName = removePrefixFromField(fieldNode.fieldNode);
- FieldReference thisX = new FieldReference(fieldNode.rawName, p);
- int s = (int) (p >> 32);
- int e = (int) p;
- thisX.receiver = new ThisReference(s, e);
-
- Expression assignmentExpr;
- if (fieldNode.singularData != null && fieldNode.singularData.getSingularizer() != null) {
- fieldNode.singularData.getSingularizer().appendBuildCode(fieldNode.singularData, typeNode, statements, fieldNode.name, "b");
- assignmentExpr = new SingleNameReference(fieldNode.name, p);
- } else {
- char[][] variableInBuilder = new char[][] {"b".toCharArray(), fieldName};
- long[] positions = new long[] {p, p};
- assignmentExpr = new QualifiedNameReference(variableInBuilder, positions, s, e);
- }
-
- Assignment assignment = new Assignment(thisX, assignmentExpr, (int) p);
- statements.add(assignment);
- Annotation[] nonNulls = findAnnotations((FieldDeclaration)fieldNode.fieldNode.get(), NON_NULL_PATTERN);
- if (nonNulls.length != 0) {
- Statement nullCheck = generateNullCheck((FieldDeclaration)fieldNode.fieldNode.get(), sourceNode);
- if (nullCheck != null) {
- nullChecks.add(nullCheck);
- }
- }
- }
-
- nullChecks.addAll(statements);
- constructor.statements = nullChecks.isEmpty() ? null : nullChecks.toArray(new Statement[nullChecks.size()]);
- constructor.arguments = new Argument[] {new Argument("b".toCharArray(), p, new SingleTypeReference(builderClassnameAsParameter.toCharArray(), p), Modifier.FINAL)};
-
- constructor.traverse(new SetGeneratedByVisitor(source), typeDeclaration.scope);
-
- injectMethod(typeNode, constructor);
- }
-
private MethodDeclaration generateCleanMethod(List<BuilderFieldData> builderFields, EclipseNode builderType, ASTNode source) {
List<Statement> statements = new ArrayList<Statement>();
@@ -685,60 +553,51 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
return decl;
}
- /**
- * @param useBuilderBasedConstructor
- * if true, the {@code build()} method will use a constructor
- * that takes the builder instance as parameter (instead of a
- * constructor with all relevant fields as parameters)
- */
- public MethodDeclaration generateBuildMethod(EclipseNode tdParent, boolean isStatic, String name, char[] staticName, TypeReference returnType, List<BuilderFieldData> builderFields, EclipseNode type, TypeReference[] thrownExceptions, boolean addCleaning, ASTNode source, boolean useBuilderBasedConstructor) {
+ public MethodDeclaration generateBuildMethod(EclipseNode tdParent, boolean isStatic, String name, char[] staticName, TypeReference returnType, List<BuilderFieldData> builderFields, EclipseNode type, TypeReference[] thrownExceptions, boolean addCleaning, ASTNode source) {
MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
List<Statement> statements = new ArrayList<Statement>();
- List<Expression> args = new ArrayList<Expression>();
- // Extendable builders assign their values in the constructor, not in this build() method.
- if (!useBuilderBasedConstructor) {
- if (addCleaning) {
- FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
- thisUnclean.receiver = new ThisReference(0, 0);
- Expression notClean = new UnaryExpression(thisUnclean, OperatorIds.NOT);
- MessageSend invokeClean = new MessageSend();
- invokeClean.selector = CLEAN_METHOD_NAME;
- statements.add(new IfStatement(notClean, invokeClean, 0, 0));
- }
-
- for (BuilderFieldData bfd : builderFields) {
- if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) {
- bfd.singularData.getSingularizer().appendBuildCode(bfd.singularData, type, statements, bfd.name, "this");
- }
- }
-
- for (BuilderFieldData bfd : builderFields) {
- if (bfd.nameOfSetFlag != null) {
- MessageSend inv = new MessageSend();
- inv.sourceStart = source.sourceStart;
- inv.sourceEnd = source.sourceEnd;
- inv.receiver = new SingleNameReference(((TypeDeclaration) tdParent.get()).name, 0L);
- inv.selector = bfd.nameOfDefaultProvider;
- inv.typeArguments = typeParameterNames(((TypeDeclaration) type.get()).typeParameters);
-
- args.add(new ConditionalExpression(
- new SingleNameReference(bfd.nameOfSetFlag, 0L),
- new SingleNameReference(bfd.name, 0L),
- inv));
- } else {
- args.add(new SingleNameReference(bfd.name, 0L));
- }
+ if (addCleaning) {
+ FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
+ thisUnclean.receiver = new ThisReference(0, 0);
+ Expression notClean = new UnaryExpression(thisUnclean, OperatorIds.NOT);
+ MessageSend invokeClean = new MessageSend();
+ invokeClean.selector = CLEAN_METHOD_NAME;
+ statements.add(new IfStatement(notClean, invokeClean, 0, 0));
+ }
+
+ for (BuilderFieldData bfd : builderFields) {
+ if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) {
+ bfd.singularData.getSingularizer().appendBuildCode(bfd.singularData, type, statements, bfd.name);
}
-
- if (addCleaning) {
- FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
- thisUnclean.receiver = new ThisReference(0, 0);
- statements.add(new Assignment(thisUnclean, new TrueLiteral(0, 0), 0));
+ }
+
+ List<Expression> args = new ArrayList<Expression>();
+ for (BuilderFieldData bfd : builderFields) {
+ if (bfd.nameOfSetFlag != null) {
+ MessageSend inv = new MessageSend();
+ inv.sourceStart = source.sourceStart;
+ inv.sourceEnd = source.sourceEnd;
+ inv.receiver = new SingleNameReference(((TypeDeclaration) tdParent.get()).name, 0L);
+ inv.selector = bfd.nameOfDefaultProvider;
+ inv.typeArguments = typeParameterNames(((TypeDeclaration) type.get()).typeParameters);
+
+ args.add(new ConditionalExpression(
+ new SingleNameReference(bfd.nameOfSetFlag, 0L),
+ new SingleNameReference(bfd.name, 0L),
+ inv));
+ } else {
+ args.add(new SingleNameReference(bfd.name, 0L));
}
}
+ if (addCleaning) {
+ FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
+ thisUnclean.receiver = new ThisReference(0, 0);
+ statements.add(new Assignment(thisUnclean, new TrueLiteral(0, 0), 0));
+ }
+
out.modifiers = ClassFileConstants.AccPublic;
out.selector = name.toCharArray();
out.thrownExceptions = copyTypes(thrownExceptions);
@@ -748,13 +607,7 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
if (staticName == null) {
AllocationExpression allocationStatement = new AllocationExpression();
allocationStatement.type = copyType(out.returnType);
- if (useBuilderBasedConstructor) {
- // Use a constructor that only has this builder as parameter.
- allocationStatement.arguments = new Expression[] {new ThisReference(0, 0)};
- } else {
- // Use a constructor with all the fields.
- allocationStatement.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
- }
+ allocationStatement.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
statements.add(new ReturnStatement(allocationStatement, 0, 0));
} else {
MessageSend invoke = new MessageSend();
@@ -903,7 +756,7 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
return null;
}
- public EclipseNode makeBuilderClass(boolean isStatic, EclipseNode tdParent, String builderClassName, TypeParameter[] typeParams, ASTNode source, String parentBuilderClassName) {
+ public EclipseNode makeBuilderClass(boolean isStatic, EclipseNode tdParent, String builderClassName, TypeParameter[] typeParams, ASTNode source) {
TypeDeclaration parent = (TypeDeclaration) tdParent.get();
TypeDeclaration builder = new TypeDeclaration(parent.compilationResult);
builder.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG;
@@ -911,7 +764,6 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
if (isStatic) builder.modifiers |= ClassFileConstants.AccStatic;
builder.typeParameters = copyTypeParams(typeParams, source);
builder.name = builderClassName.toCharArray();
- if (parentBuilderClassName != null) builder.superclass = new SingleTypeReference(parentBuilderClassName.toCharArray(), 0);
builder.traverse(new SetGeneratedByVisitor(source), (ClassScope) null);
return injectType(tdParent, builder);
}
generated by cgit (git 2.46.0) at 2024-11-28 10:04:02 +0000