Examples with JCExpression com.sun.tools.javac.tree.JCTree.JCExpression used on opensource projects

Example 21 with JCExpression

use of com.sun.tools.javac.tree.JCTree.JCExpression in project lombok by rzwitserloot.

the class HandleSynchronized method handle.

@Override
public void handle(AnnotationValues<Synchronized> annotation, JCAnnotation ast, JavacNode annotationNode) {
    handleFlagUsage(annotationNode, ConfigurationKeys.SYNCHRONIZED_FLAG_USAGE, "@Synchronized");
    if (inNetbeansEditor(annotationNode))
        return;
    deleteAnnotationIfNeccessary(annotationNode, Synchronized.class);
    JavacNode methodNode = annotationNode.up();
    if (methodNode == null || methodNode.getKind() != Kind.METHOD || !(methodNode.get() instanceof JCMethodDecl)) {
        annotationNode.addError("@Synchronized is legal only on methods.");
        return;
    }
    JCMethodDecl method = (JCMethodDecl) methodNode.get();
    if ((method.mods.flags & Flags.ABSTRACT) != 0) {
        annotationNode.addError("@Synchronized is legal only on concrete methods.");
        return;
    }
    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;
    }
    JavacTreeMaker maker = methodNode.getTreeMaker().at(ast.pos);
    Context context = methodNode.getContext();
    if (fieldExists(lockName, methodNode) == MemberExistsResult.NOT_EXISTS) {
        if (!autoMake) {
            annotationNode.addError("The field " + lockName + " does not exist.");
            return;
        }
        JCExpression objectType = genJavaLangTypeRef(methodNode, ast.pos, "Object");
        //We use 'new Object[0];' because unlike 'new Object();', empty arrays *ARE* serializable!
        JCNewArray newObjectArray = maker.NewArray(genJavaLangTypeRef(methodNode, ast.pos, "Object"), List.<JCExpression>of(maker.Literal(CTC_INT, 0)), null);
        JCVariableDecl fieldDecl = recursiveSetGeneratedBy(maker.VarDef(maker.Modifiers(Flags.PRIVATE | Flags.FINAL | (isStatic ? Flags.STATIC : 0)), methodNode.toName(lockName), objectType, newObjectArray), ast, context);
        injectFieldAndMarkGenerated(methodNode.up(), fieldDecl);
    }
    if (method.body == null)
        return;
    JCExpression lockNode;
    if (isStatic) {
        lockNode = chainDots(methodNode, ast.pos, methodNode.up().getName(), lockName);
    } else {
        lockNode = maker.Select(maker.Ident(methodNode.toName("this")), methodNode.toName(lockName));
    }
    recursiveSetGeneratedBy(lockNode, ast, context);
    method.body = setGeneratedBy(maker.Block(0, List.<JCStatement>of(setGeneratedBy(maker.Synchronized(lockNode, method.body), ast, context))), ast, context);
    methodNode.rebuild();
}

Example 22 with JCExpression

use of com.sun.tools.javac.tree.JCTree.JCExpression in project lombok by rzwitserloot.

the class HandleWither method createWither.

public JCMethodDecl createWither(long access, JavacNode field, JavacTreeMaker maker, JavacNode source, List<JCAnnotation> onMethod, List<JCAnnotation> onParam, boolean makeAbstract) {
    String witherName = toWitherName(field);
    if (witherName == null)
        return null;
    JCVariableDecl fieldDecl = (JCVariableDecl) field.get();
    List<JCAnnotation> nonNulls = findAnnotations(field, NON_NULL_PATTERN);
    List<JCAnnotation> nullables = findAnnotations(field, NULLABLE_PATTERN);
    Name methodName = field.toName(witherName);
    JCExpression returnType = cloneSelfType(field);
    JCBlock methodBody = null;
    long flags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, field.getContext());
    List<JCAnnotation> annsOnParam = copyAnnotations(onParam).appendList(nonNulls).appendList(nullables);
    JCVariableDecl param = maker.VarDef(maker.Modifiers(flags, annsOnParam), fieldDecl.name, fieldDecl.vartype, null);
    if (!makeAbstract) {
        ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
        JCExpression selfType = cloneSelfType(field);
        if (selfType == null)
            return null;
        ListBuffer<JCExpression> args = new ListBuffer<JCExpression>();
        for (JavacNode child : field.up().down()) {
            if (child.getKind() != Kind.FIELD)
                continue;
            JCVariableDecl childDecl = (JCVariableDecl) child.get();
            // Skip fields that start with $
            if (childDecl.name.toString().startsWith("$"))
                continue;
            long fieldFlags = childDecl.mods.flags;
            // Skip static fields.
            if ((fieldFlags & Flags.STATIC) != 0)
                continue;
            // Skip initialized final fields.
            if (((fieldFlags & Flags.FINAL) != 0) && childDecl.init != null)
                continue;
            if (child.get() == field.get()) {
                args.append(maker.Ident(fieldDecl.name));
            } else {
                args.append(createFieldAccessor(maker, child, FieldAccess.ALWAYS_FIELD));
            }
        }
        JCNewClass newClass = maker.NewClass(null, List.<JCExpression>nil(), selfType, args.toList(), null);
        JCExpression identityCheck = maker.Binary(CTC_EQUAL, createFieldAccessor(maker, field, FieldAccess.ALWAYS_FIELD), maker.Ident(fieldDecl.name));
        JCConditional conditional = maker.Conditional(identityCheck, maker.Ident(field.toName("this")), newClass);
        JCReturn returnStatement = maker.Return(conditional);
        if (nonNulls.isEmpty()) {
            statements.append(returnStatement);
        } else {
            JCStatement nullCheck = generateNullCheck(maker, field, source);
            if (nullCheck != null)
                statements.append(nullCheck);
            statements.append(returnStatement);
        }
        methodBody = maker.Block(0, statements.toList());
    }
    List<JCTypeParameter> methodGenericParams = List.nil();
    List<JCVariableDecl> parameters = List.of(param);
    List<JCExpression> throwsClauses = List.nil();
    JCExpression annotationMethodDefaultValue = null;
    List<JCAnnotation> annsOnMethod = copyAnnotations(onMethod);
    if (isFieldDeprecated(field)) {
        annsOnMethod = annsOnMethod.prepend(maker.Annotation(genJavaLangTypeRef(field, "Deprecated"), List.<JCExpression>nil()));
    }
    if (makeAbstract)
        access = access | Flags.ABSTRACT;
    JCMethodDecl decl = recursiveSetGeneratedBy(maker.MethodDef(maker.Modifiers(access, annsOnMethod), methodName, returnType, methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue), source.get(), field.getContext());
    copyJavadoc(field, decl, CopyJavadoc.WITHER);
    return decl;
}

Example 23 with JCExpression

use of com.sun.tools.javac.tree.JCTree.JCExpression in project lombok by rzwitserloot.

the class JavacGuavaSingularizer method generateFields.

@Override
public java.util.List<JavacNode> generateFields(SingularData data, JavacNode builderType, JCTree source) {
    JavacTreeMaker maker = builderType.getTreeMaker();
    String simpleTypeName = getSimpleTargetTypeName(data);
    JCExpression type = JavacHandlerUtil.chainDots(builderType, "com", "google", "common", "collect", simpleTypeName, "Builder");
    type = addTypeArgs(getTypeArgumentsCount(), false, builderType, type, data.getTypeArgs(), source);
    JCVariableDecl buildField = maker.VarDef(maker.Modifiers(Flags.PRIVATE), data.getPluralName(), type, null);
    return Collections.singletonList(injectFieldAndMarkGenerated(builderType, buildField));
}

Example 24 with JCExpression

use of com.sun.tools.javac.tree.JCTree.JCExpression in project lombok by rzwitserloot.

the class JavacGuavaSingularizer method appendBuildCode.

@Override
public void appendBuildCode(SingularData data, JavacNode builderType, JCTree source, ListBuffer<JCStatement> statements, Name targetVariableName) {
    JavacTreeMaker maker = builderType.getTreeMaker();
    List<JCExpression> jceBlank = List.nil();
    JCExpression varType = chainDotsString(builderType, data.getTargetFqn());
    int agrumentsCount = getTypeArgumentsCount();
    varType = addTypeArgs(agrumentsCount, false, builderType, varType, data.getTypeArgs(), source);
    JCExpression empty;
    {
        //ImmutableX.of()
        JCExpression emptyMethod = chainDots(builderType, "com", "google", "common", "collect", getSimpleTargetTypeName(data), "of");
        List<JCExpression> invokeTypeArgs = createTypeArgs(agrumentsCount, false, builderType, data.getTypeArgs(), source);
        empty = maker.Apply(invokeTypeArgs, emptyMethod, jceBlank);
    }
    JCExpression invokeBuild;
    {
        //this.pluralName.build();
        invokeBuild = maker.Apply(jceBlank, chainDots(builderType, "this", data.getPluralName().toString(), "build"), jceBlank);
    }
    JCExpression isNull;
    {
        //this.pluralName == null
        isNull = maker.Binary(CTC_EQUAL, maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName()), maker.Literal(CTC_BOT, null));
    }
    // this.pluralName == null ? ImmutableX.of() : this.pluralName.build()
    JCExpression init = maker.Conditional(isNull, empty, invokeBuild);
    JCStatement jcs = maker.VarDef(maker.Modifiers(0), data.getPluralName(), varType, init);
    statements.append(jcs);
}

Example 25 with JCExpression

use of com.sun.tools.javac.tree.JCTree.JCExpression in project lombok by rzwitserloot.

the class JavacGuavaSingularizer method generatePluralMethod.

protected void generatePluralMethod(JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) {
    List<JCTypeParameter> typeParams = List.nil();
    List<JCExpression> thrown = List.nil();
    JCModifiers mods = maker.Modifiers(Flags.PUBLIC);
    ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
    statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, source));
    JCExpression thisDotFieldDotAddAll = chainDots(builderType, "this", data.getPluralName().toString(), getAddMethodName() + "All");
    JCExpression invokeAddAll = maker.Apply(List.<JCExpression>nil(), thisDotFieldDotAddAll, List.<JCExpression>of(maker.Ident(data.getPluralName())));
    statements.append(maker.Exec(invokeAddAll));
    if (returnStatement != null)
        statements.append(returnStatement);
    JCBlock body = maker.Block(0, statements.toList());
    Name methodName = data.getPluralName();
    long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext());
    if (!fluent)
        methodName = builderType.toName(HandlerUtil.buildAccessorName(getAddMethodName() + "All", methodName.toString()));
    JCExpression paramType;
    String aaTypeName = getAddAllTypeName();
    if (aaTypeName.startsWith("java.lang.") && aaTypeName.indexOf('.', 11) == -1) {
        paramType = genJavaLangTypeRef(builderType, aaTypeName.substring(10));
    } else {
        paramType = chainDotsString(builderType, aaTypeName);
    }
    paramType = addTypeArgs(getTypeArgumentsCount(), true, builderType, paramType, data.getTypeArgs(), source);
    JCVariableDecl param = maker.VarDef(maker.Modifiers(paramFlags), data.getPluralName(), paramType, null);
    JCMethodDecl method = maker.MethodDef(mods, methodName, returnType, typeParams, List.of(param), thrown, body, null);
    injectMethod(builderType, method);
}