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

Example 16 with JCTypeParameter

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

the class HandleEqualsAndHashCode method createHashCode.

public JCMethodDecl createHashCode(JavacNode typeNode, List<JavacNode> fields, boolean callSuper, FieldAccess fieldAccess, JCTree source) {
    JavacTreeMaker maker = typeNode.getTreeMaker();
    JCAnnotation overrideAnnotation = maker.Annotation(genJavaLangTypeRef(typeNode, "Override"), List.<JCExpression>nil());
    JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation));
    JCExpression returnType = maker.TypeIdent(CTC_INT);
    ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
    Name primeName = typeNode.toName(PRIME_NAME);
    Name resultName = typeNode.toName(RESULT_NAME);
    long finalFlag = JavacHandlerUtil.addFinalIfNeeded(0L, typeNode.getContext());
    /* final int PRIME = X; */
    {
        if (!fields.isEmpty()) {
            statements.append(maker.VarDef(maker.Modifiers(finalFlag), primeName, maker.TypeIdent(CTC_INT), maker.Literal(HandlerUtil.primeForHashcode())));
        }
    }
    /* int result = ... */
    {
        final JCExpression init;
        if (callSuper) {
            /* ... super.hashCode(); */
            init = maker.Apply(List.<JCExpression>nil(), maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("hashCode")), List.<JCExpression>nil());
        } else {
            /* ... 1; */
            init = maker.Literal(1);
        }
        statements.append(maker.VarDef(maker.Modifiers(0), resultName, maker.TypeIdent(CTC_INT), init));
    }
    Name dollar = typeNode.toName("$");
    for (JavacNode fieldNode : fields) {
        JCExpression fType = getFieldType(fieldNode, fieldAccess);
        JCExpression fieldAccessor = createFieldAccessor(maker, fieldNode, fieldAccess);
        if (fType instanceof JCPrimitiveTypeTree) {
            switch(((JCPrimitiveTypeTree) fType).getPrimitiveTypeKind()) {
                case BOOLEAN:
                    /* this.fieldName ? X : Y */
                    statements.append(createResultCalculation(typeNode, maker.Parens(maker.Conditional(fieldAccessor, maker.Literal(HandlerUtil.primeForTrue()), maker.Literal(HandlerUtil.primeForFalse())))));
                    break;
                case LONG:
                    {
                        Name dollarFieldName = dollar.append(((JCVariableDecl) fieldNode.get()).name);
                        statements.append(maker.VarDef(maker.Modifiers(finalFlag), dollarFieldName, maker.TypeIdent(CTC_LONG), fieldAccessor));
                        statements.append(createResultCalculation(typeNode, longToIntForHashCode(maker, maker.Ident(dollarFieldName), maker.Ident(dollarFieldName))));
                    }
                    break;
                case FLOAT:
                    /* Float.floatToIntBits(this.fieldName) */
                    statements.append(createResultCalculation(typeNode, maker.Apply(List.<JCExpression>nil(), genJavaLangTypeRef(typeNode, "Float", "floatToIntBits"), List.of(fieldAccessor))));
                    break;
                case DOUBLE:
                    {
                        /* longToIntForHashCode(Double.doubleToLongBits(this.fieldName)) */
                        Name dollarFieldName = dollar.append(((JCVariableDecl) fieldNode.get()).name);
                        JCExpression init = maker.Apply(List.<JCExpression>nil(), genJavaLangTypeRef(typeNode, "Double", "doubleToLongBits"), List.of(fieldAccessor));
                        statements.append(maker.VarDef(maker.Modifiers(finalFlag), dollarFieldName, maker.TypeIdent(CTC_LONG), init));
                        statements.append(createResultCalculation(typeNode, longToIntForHashCode(maker, maker.Ident(dollarFieldName), maker.Ident(dollarFieldName))));
                    }
                    break;
                default:
                case BYTE:
                case SHORT:
                case INT:
                case CHAR:
                    /* just the field */
                    statements.append(createResultCalculation(typeNode, fieldAccessor));
                    break;
            }
        } else if (fType instanceof JCArrayTypeTree) {
            /* java.util.Arrays.deepHashCode(this.fieldName) //use just hashCode() for primitive arrays. */
            boolean multiDim = ((JCArrayTypeTree) fType).elemtype instanceof JCArrayTypeTree;
            boolean primitiveArray = ((JCArrayTypeTree) fType).elemtype instanceof JCPrimitiveTypeTree;
            boolean useDeepHC = multiDim || !primitiveArray;
            JCExpression hcMethod = chainDots(typeNode, "java", "util", "Arrays", useDeepHC ? "deepHashCode" : "hashCode");
            statements.append(createResultCalculation(typeNode, maker.Apply(List.<JCExpression>nil(), hcMethod, List.of(fieldAccessor))));
        } else /* objects */
        {
            /* final java.lang.Object $fieldName = this.fieldName; */
            /* ($fieldName == null ? NULL_PRIME : $fieldName.hashCode()) */
            Name dollarFieldName = dollar.append(((JCVariableDecl) fieldNode.get()).name);
            statements.append(maker.VarDef(maker.Modifiers(finalFlag), dollarFieldName, genJavaLangTypeRef(typeNode, "Object"), fieldAccessor));
            JCExpression hcCall = maker.Apply(List.<JCExpression>nil(), maker.Select(maker.Ident(dollarFieldName), typeNode.toName("hashCode")), List.<JCExpression>nil());
            JCExpression thisEqualsNull = maker.Binary(CTC_EQUAL, maker.Ident(dollarFieldName), maker.Literal(CTC_BOT, null));
            statements.append(createResultCalculation(typeNode, maker.Parens(maker.Conditional(thisEqualsNull, maker.Literal(HandlerUtil.primeForNull()), hcCall))));
        }
    }
    /* return result; */
    {
        statements.append(maker.Return(maker.Ident(resultName)));
    }
    JCBlock body = maker.Block(0, statements.toList());
    return recursiveSetGeneratedBy(maker.MethodDef(mods, typeNode.toName("hashCode"), returnType, List.<JCTypeParameter>nil(), List.<JCVariableDecl>nil(), List.<JCExpression>nil(), body, null), source, typeNode.getContext());
}

Example 17 with JCTypeParameter

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

the class JavacGuavaSingularizer method generatePluralMethod.

protected void generatePluralMethod(boolean deprecate, 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 = makeMods(maker, builderType, deprecate);
    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);
}

Example 18 with JCTypeParameter

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

the class JavacGuavaSingularizer method generateClearMethod.

private void generateClearMethod(boolean deprecate, JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source) {
    JCModifiers mods = makeMods(maker, builderType, deprecate);
    List<JCTypeParameter> typeParams = List.nil();
    List<JCExpression> thrown = List.nil();
    List<JCVariableDecl> params = List.nil();
    JCExpression thisDotField = maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName());
    JCStatement clearField = maker.Exec(maker.Assign(thisDotField, maker.Literal(CTC_BOT, null)));
    List<JCStatement> statements = returnStatement != null ? List.of(clearField, returnStatement) : List.of(clearField);
    JCBlock body = maker.Block(0, statements);
    Name methodName = builderType.toName(HandlerUtil.buildAccessorName("clear", data.getPluralName().toString()));
    JCMethodDecl method = maker.MethodDef(mods, methodName, returnType, typeParams, params, thrown, body, null);
    injectMethod(builderType, method);
}

Example 19 with JCTypeParameter

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

the class JavacGuavaSingularizer method generateSingularMethod.

void generateSingularMethod(boolean deprecate, JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source, boolean fluent) {
    List<JCTypeParameter> typeParams = List.nil();
    List<JCExpression> thrown = List.nil();
    LombokImmutableList<String> suffixes = getArgumentSuffixes();
    Name[] names = new Name[suffixes.size()];
    for (int i = 0; i < suffixes.size(); i++) {
        String s = suffixes.get(i);
        Name n = data.getSingularName();
        names[i] = s.isEmpty() ? n : builderType.toName(s);
    }
    JCModifiers mods = makeMods(maker, builderType, deprecate);
    ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
    statements.append(createConstructBuilderVarIfNeeded(maker, data, builderType, source));
    JCExpression thisDotFieldDotAdd = chainDots(builderType, "this", data.getPluralName().toString(), getAddMethodName());
    ListBuffer<JCExpression> invokeAddExprBuilder = new ListBuffer<JCExpression>();
    for (int i = 0; i < suffixes.size(); i++) {
        invokeAddExprBuilder.append(maker.Ident(names[i]));
    }
    List<JCExpression> invokeAddExpr = invokeAddExprBuilder.toList();
    JCExpression invokeAdd = maker.Apply(List.<JCExpression>nil(), thisDotFieldDotAdd, invokeAddExpr);
    statements.append(maker.Exec(invokeAdd));
    if (returnStatement != null)
        statements.append(returnStatement);
    JCBlock body = maker.Block(0, statements.toList());
    Name methodName = data.getSingularName();
    long paramFlags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, builderType.getContext());
    if (!fluent)
        methodName = builderType.toName(HandlerUtil.buildAccessorName(getAddMethodName(), methodName.toString()));
    ListBuffer<JCVariableDecl> params = new ListBuffer<JCVariableDecl>();
    for (int i = 0; i < suffixes.size(); i++) {
        JCExpression pt = cloneParamType(i, maker, data.getTypeArgs(), builderType, source);
        JCVariableDecl p = maker.VarDef(maker.Modifiers(paramFlags), names[i], pt, null);
        params.append(p);
    }
    JCMethodDecl method = maker.MethodDef(mods, methodName, returnType, typeParams, params.toList(), thrown, body, null);
    injectMethod(builderType, method);
}

Example 20 with JCTypeParameter

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

the class JavacJavaUtilListSetSingularizer method generateClearMethod.

private void generateClearMethod(boolean deprecate, JavacTreeMaker maker, JCExpression returnType, JCStatement returnStatement, SingularData data, JavacNode builderType, JCTree source) {
    JCModifiers mods = makeMods(maker, builderType, deprecate);
    List<JCTypeParameter> typeParams = List.nil();
    List<JCExpression> thrown = List.nil();
    List<JCVariableDecl> params = List.nil();
    List<JCExpression> jceBlank = List.nil();
    JCExpression thisDotField = maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName());
    JCExpression thisDotFieldDotClear = maker.Select(maker.Select(maker.Ident(builderType.toName("this")), data.getPluralName()), builderType.toName("clear"));
    JCStatement clearCall = maker.Exec(maker.Apply(jceBlank, thisDotFieldDotClear, jceBlank));
    JCExpression cond = maker.Binary(CTC_NOT_EQUAL, thisDotField, maker.Literal(CTC_BOT, null));
    JCStatement ifSetCallClear = maker.If(cond, clearCall, null);
    List<JCStatement> statements = returnStatement != null ? List.of(ifSetCallClear, returnStatement) : List.of(ifSetCallClear);
    JCBlock body = maker.Block(0, statements);
    Name methodName = builderType.toName(HandlerUtil.buildAccessorName("clear", data.getPluralName().toString()));
    JCMethodDecl method = maker.MethodDef(mods, methodName, returnType, typeParams, params, thrown, body, null);
    injectMethod(builderType, method);
}