Examples with IfStatement org.eclipse.jdt.internal.compiler.ast.IfStatement used on opensource projects

Example 1 with IfStatement

use of org.eclipse.jdt.internal.compiler.ast.IfStatement in project lombok by rzwitserloot.

the class EclipseJavaUtilSingularizer method createJavaUtilSimpleCreationAndFillStatements.

protected List<Statement> createJavaUtilSimpleCreationAndFillStatements(SingularData data, EclipseNode builderType, boolean mapMode, boolean defineVar, boolean addInitialCapacityArg, boolean nullGuard, String targetType) {
    char[] varName = mapMode ? (new String(data.getPluralName()) + "$key").toCharArray() : data.getPluralName();
    Statement createStat;
    {
        // pluralName = new java.util.TargetType(initialCap);
        Expression[] constructorArgs = null;
        if (addInitialCapacityArg) {
            // this.varName.size() < MAX_POWER_OF_2 ? 1 + this.varName.size() + (this.varName.size() - 3) / 3 : Integer.MAX_VALUE;
            // lessThanCutOff = this.varName.size() < MAX_POWER_OF_2
            Expression lessThanCutoff = new BinaryExpression(getSize(builderType, varName, nullGuard), makeIntLiteral("0x40000000".toCharArray(), null), OperatorIds.LESS);
            FieldReference integerMaxValue = new FieldReference("MAX_VALUE".toCharArray(), 0L);
            integerMaxValue.receiver = new QualifiedNameReference(TypeConstants.JAVA_LANG_INTEGER, NULL_POSS, 0, 0);
            Expression sizeFormulaLeft = new BinaryExpression(makeIntLiteral(new char[] { '1' }, null), getSize(builderType, varName, nullGuard), OperatorIds.PLUS);
            Expression sizeFormulaRightLeft = new BinaryExpression(getSize(builderType, varName, nullGuard), makeIntLiteral(new char[] { '3' }, null), OperatorIds.MINUS);
            Expression sizeFormulaRight = new BinaryExpression(sizeFormulaRightLeft, makeIntLiteral(new char[] { '3' }, null), OperatorIds.DIVIDE);
            Expression sizeFormula = new BinaryExpression(sizeFormulaLeft, sizeFormulaRight, OperatorIds.PLUS);
            Expression cond = new ConditionalExpression(lessThanCutoff, sizeFormula, integerMaxValue);
            constructorArgs = new Expression[] { cond };
        }
        TypeReference targetTypeRef = new QualifiedTypeReference(new char[][] { TypeConstants.JAVA, TypeConstants.UTIL, targetType.toCharArray() }, NULL_POSS);
        targetTypeRef = addTypeArgs(mapMode ? 2 : 1, false, builderType, targetTypeRef, data.getTypeArgs());
        AllocationExpression constructorCall = new AllocationExpression();
        constructorCall.type = targetTypeRef;
        constructorCall.arguments = constructorArgs;
        if (defineVar) {
            TypeReference localShadowerType = new QualifiedTypeReference(fromQualifiedName(data.getTargetFqn()), NULL_POSS);
            localShadowerType = addTypeArgs(mapMode ? 2 : 1, false, builderType, localShadowerType, data.getTypeArgs());
            LocalDeclaration localShadowerDecl = new LocalDeclaration(data.getPluralName(), 0, 0);
            localShadowerDecl.type = localShadowerType;
            localShadowerDecl.initialization = constructorCall;
            createStat = localShadowerDecl;
        } else {
            createStat = new Assignment(new SingleNameReference(data.getPluralName(), 0L), constructorCall, 0);
        }
    }
    Statement fillStat;
    {
        if (mapMode) {
            // for (int $i = 0; $i < this.pluralname$key.size(); i++) pluralname.put(this.pluralname$key.get($i), this.pluralname$value.get($i));
            char[] iVar = new char[] { '$', 'i' };
            MessageSend pluralnameDotPut = new MessageSend();
            pluralnameDotPut.selector = new char[] { 'p', 'u', 't' };
            pluralnameDotPut.receiver = new SingleNameReference(data.getPluralName(), 0L);
            FieldReference thisDotKey = new FieldReference(varName, 0L);
            thisDotKey.receiver = new ThisReference(0, 0);
            FieldReference thisDotValue = new FieldReference((new String(data.getPluralName()) + "$value").toCharArray(), 0L);
            thisDotValue.receiver = new ThisReference(0, 0);
            MessageSend keyArg = new MessageSend();
            keyArg.receiver = thisDotKey;
            keyArg.arguments = new Expression[] { new SingleNameReference(iVar, 0L) };
            keyArg.selector = new char[] { 'g', 'e', 't' };
            MessageSend valueArg = new MessageSend();
            valueArg.receiver = thisDotValue;
            valueArg.arguments = new Expression[] { new SingleNameReference(iVar, 0L) };
            valueArg.selector = new char[] { 'g', 'e', 't' };
            pluralnameDotPut.arguments = new Expression[] { keyArg, valueArg };
            LocalDeclaration forInit = new LocalDeclaration(iVar, 0, 0);
            forInit.type = TypeReference.baseTypeReference(TypeIds.T_int, 0);
            forInit.initialization = makeIntLiteral(new char[] { '0' }, null);
            Expression checkExpr = new BinaryExpression(new SingleNameReference(iVar, 0L), getSize(builderType, varName, nullGuard), OperatorIds.LESS);
            Expression incrementExpr = new PostfixExpression(new SingleNameReference(iVar, 0L), IntLiteral.One, OperatorIds.PLUS, 0);
            fillStat = new ForStatement(new Statement[] { forInit }, checkExpr, new Statement[] { incrementExpr }, pluralnameDotPut, true, 0, 0);
        } else {
            // pluralname.addAll(this.pluralname);
            MessageSend pluralnameDotAddAll = new MessageSend();
            pluralnameDotAddAll.selector = new char[] { 'a', 'd', 'd', 'A', 'l', 'l' };
            pluralnameDotAddAll.receiver = new SingleNameReference(data.getPluralName(), 0L);
            FieldReference thisDotPluralname = new FieldReference(varName, 0L);
            thisDotPluralname.receiver = new ThisReference(0, 0);
            pluralnameDotAddAll.arguments = new Expression[] { thisDotPluralname };
            fillStat = pluralnameDotAddAll;
        }
        if (nullGuard) {
            FieldReference thisDotField = new FieldReference(varName, 0L);
            thisDotField.receiver = new ThisReference(0, 0);
            Expression cond = new EqualExpression(thisDotField, new NullLiteral(0, 0), OperatorIds.NOT_EQUAL);
            fillStat = new IfStatement(cond, fillStat, 0, 0);
        }
    }
    Statement unmodifiableStat;
    {
        // pluralname = Collections.unmodifiableInterfaceType(pluralname);
        Expression arg = new SingleNameReference(data.getPluralName(), 0L);
        MessageSend invoke = new MessageSend();
        invoke.arguments = new Expression[] { arg };
        invoke.selector = ("unmodifiable" + data.getTargetSimpleType()).toCharArray();
        invoke.receiver = new QualifiedNameReference(JAVA_UTIL_COLLECTIONS, NULL_POSS, 0, 0);
        unmodifiableStat = new Assignment(new SingleNameReference(data.getPluralName(), 0L), invoke, 0);
    }
    return Arrays.asList(createStat, fillStat, unmodifiableStat);
}

Example 2 with IfStatement

use of org.eclipse.jdt.internal.compiler.ast.IfStatement in project lombok by rzwitserloot.

the class EclipseGuavaSingularizer method createConstructBuilderVarIfNeeded.

protected Statement createConstructBuilderVarIfNeeded(SingularData data, EclipseNode builderType) {
    FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L);
    thisDotField.receiver = new ThisReference(0, 0);
    FieldReference thisDotField2 = new FieldReference(data.getPluralName(), 0L);
    thisDotField2.receiver = new ThisReference(0, 0);
    Expression cond = new EqualExpression(thisDotField, new NullLiteral(0, 0), OperatorIds.EQUAL_EQUAL);
    MessageSend createBuilderInvoke = new MessageSend();
    char[][] tokenizedName = makeGuavaTypeName(getSimpleTargetTypeName(data), false);
    createBuilderInvoke.receiver = new QualifiedNameReference(tokenizedName, NULL_POSS, 0, 0);
    createBuilderInvoke.selector = getBuilderMethodName(data);
    return new IfStatement(cond, new Assignment(thisDotField2, createBuilderInvoke, 0), 0, 0);
}

Example 3 with IfStatement

use of org.eclipse.jdt.internal.compiler.ast.IfStatement in project lombok by rzwitserloot.

the class HandleGetter method createLazyGetterBody.

public Statement[] createLazyGetterBody(ASTNode source, EclipseNode fieldNode) {
    /*
		java.lang.Object value = this.fieldName.get();
		if (value == null) {
			synchronized (this.fieldName) {
				value = this.fieldName.get();
				if (value == null) {
					final RawValueType actualValue = INITIALIZER_EXPRESSION;
					[IF PRIMITIVE]
					value = actualValue;
					[ELSE]
					value = actualValue == null ? this.fieldName : actualValue;
					[END IF]
					this.fieldName.set(value);
				}
			}
		}
		[IF PRIMITIVE]
		return (BoxedValueType) value;
		[ELSE]
		return (BoxedValueType) (value == this.fieldName ? null : value);
		[END IF]
		*/
    FieldDeclaration field = (FieldDeclaration) fieldNode.get();
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    TypeReference rawComponentType = copyType(field.type, source);
    TypeReference boxedComponentType = null;
    boolean isPrimitive = false;
    if (field.type instanceof SingleTypeReference && !(field.type instanceof ArrayTypeReference)) {
        char[][] newType = TYPE_MAP.get(new String(((SingleTypeReference) field.type).token));
        if (newType != null) {
            boxedComponentType = new QualifiedTypeReference(newType, poss(source, 3));
            isPrimitive = true;
        }
    }
    if (boxedComponentType == null)
        boxedComponentType = copyType(field.type, source);
    boxedComponentType.sourceStart = pS;
    boxedComponentType.sourceEnd = boxedComponentType.statementEnd = pE;
    Statement[] statements = new Statement[3];
    /* java.lang.Object value = this.fieldName.get(); */
    {
        LocalDeclaration valueDecl = new LocalDeclaration(valueName, pS, pE);
        valueDecl.type = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(source, 3));
        valueDecl.type.sourceStart = pS;
        valueDecl.type.sourceEnd = valueDecl.type.statementEnd = pE;
        MessageSend getter = new MessageSend();
        getter.sourceStart = pS;
        getter.statementEnd = getter.sourceEnd = pE;
        getter.selector = new char[] { 'g', 'e', 't' };
        getter.receiver = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
        valueDecl.initialization = getter;
        statements[0] = valueDecl;
    }
    /*
		if (value == null) {
			synchronized (this.fieldName) {
				value = this.fieldName.get();
				if (value == null) { 
					final ValueType actualValue = INITIALIZER_EXPRESSION;
					[IF PRIMITIVE]
					value = actualValue;
					[ELSE]
					value = actualValue == null ? this.fieldName : actualValue;
					[END IF]
					this.fieldName.set(value);
				}
			}
		}
		 */
    {
        EqualExpression cond = new EqualExpression(new SingleNameReference(valueName, p), new NullLiteral(pS, pE), BinaryExpression.EQUAL_EQUAL);
        Block then = new Block(0);
        Expression lock = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
        Block inner = new Block(0);
        inner.statements = new Statement[2];
        /* value = this.fieldName.get(); */
        {
            MessageSend getter = new MessageSend();
            getter.sourceStart = pS;
            getter.sourceEnd = getter.statementEnd = pE;
            getter.selector = new char[] { 'g', 'e', 't' };
            getter.receiver = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
            Assignment assign = new Assignment(new SingleNameReference(valueName, p), getter, pE);
            assign.sourceStart = pS;
            assign.statementEnd = assign.sourceEnd = pE;
            inner.statements[0] = assign;
        }
        /* if (value == null) */
        {
            EqualExpression innerCond = new EqualExpression(new SingleNameReference(valueName, p), new NullLiteral(pS, pE), BinaryExpression.EQUAL_EQUAL);
            innerCond.sourceStart = pS;
            innerCond.sourceEnd = innerCond.statementEnd = pE;
            Block innerThen = new Block(0);
            innerThen.statements = new Statement[3];
            /* final ValueType actualValue = INITIALIZER_EXPRESSION */
            {
                LocalDeclaration actualValueDecl = new LocalDeclaration(actualValueName, pS, pE);
                actualValueDecl.type = rawComponentType;
                actualValueDecl.type.sourceStart = pS;
                actualValueDecl.type.sourceEnd = actualValueDecl.type.statementEnd = pE;
                actualValueDecl.initialization = field.initialization;
                actualValueDecl.modifiers = ClassFileConstants.AccFinal;
                innerThen.statements[0] = actualValueDecl;
            }
            /* [IF PRIMITIVE] value = actualValue; */
            {
                if (isPrimitive) {
                    Assignment innerAssign = new Assignment(new SingleNameReference(valueName, p), new SingleNameReference(actualValueName, p), pE);
                    innerAssign.sourceStart = pS;
                    innerAssign.statementEnd = innerAssign.sourceEnd = pE;
                    innerThen.statements[1] = innerAssign;
                }
            }
            /* [ELSE] value = actualValue == null ? this.fieldName : actualValue; */
            {
                if (!isPrimitive) {
                    EqualExpression avIsNull = new EqualExpression(new SingleNameReference(actualValueName, p), new NullLiteral(pS, pE), BinaryExpression.EQUAL_EQUAL);
                    avIsNull.sourceStart = pS;
                    avIsNull.sourceEnd = avIsNull.statementEnd = pE;
                    Expression fieldRef = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
                    ConditionalExpression ternary = new ConditionalExpression(avIsNull, fieldRef, new SingleNameReference(actualValueName, p));
                    ternary.sourceStart = pS;
                    ternary.sourceEnd = ternary.statementEnd = pE;
                    Assignment innerAssign = new Assignment(new SingleNameReference(valueName, p), ternary, pE);
                    innerAssign.sourceStart = pS;
                    innerAssign.statementEnd = innerAssign.sourceEnd = pE;
                    innerThen.statements[1] = innerAssign;
                }
            }
            /* this.fieldName.set(value); */
            {
                MessageSend setter = new MessageSend();
                setter.sourceStart = pS;
                setter.sourceEnd = setter.statementEnd = pE;
                setter.receiver = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
                setter.selector = new char[] { 's', 'e', 't' };
                setter.arguments = new Expression[] { new SingleNameReference(valueName, p) };
                innerThen.statements[2] = setter;
            }
            IfStatement innerIf = new IfStatement(innerCond, innerThen, pS, pE);
            inner.statements[1] = innerIf;
        }
        SynchronizedStatement sync = new SynchronizedStatement(lock, inner, pS, pE);
        then.statements = new Statement[] { sync };
        IfStatement ifStatement = new IfStatement(cond, then, pS, pE);
        statements[1] = ifStatement;
    }
    /* [IF PRIMITIVE] return (BoxedValueType)value; */
    {
        if (isPrimitive) {
            CastExpression cast = makeCastExpression(new SingleNameReference(valueName, p), boxedComponentType, source);
            statements[2] = new ReturnStatement(cast, pS, pE);
        }
    }
    /* [ELSE] return (BoxedValueType)(value == this.fieldName ? null : value); */
    {
        if (!isPrimitive) {
            EqualExpression vIsThisFieldName = new EqualExpression(new SingleNameReference(valueName, p), createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source), BinaryExpression.EQUAL_EQUAL);
            vIsThisFieldName.sourceStart = pS;
            vIsThisFieldName.sourceEnd = vIsThisFieldName.statementEnd = pE;
            ConditionalExpression ternary = new ConditionalExpression(vIsThisFieldName, new NullLiteral(pS, pE), new SingleNameReference(valueName, p));
            ternary.sourceStart = pS;
            ternary.sourceEnd = ternary.statementEnd = pE;
            ternary.bits |= PARENTHESIZED;
            CastExpression cast = makeCastExpression(ternary, boxedComponentType, source);
            statements[2] = new ReturnStatement(cast, pS, pE);
        }
    }
    // update the field type and init last
    /* 	private final java.util.concurrent.atomic.AtomicReference<java.lang.Object> fieldName = new java.util.concurrent.atomic.AtomicReference<java.lang.Object>(); */
    {
        TypeReference innerType = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(source, 3));
        TypeReference[][] typeParams = new TypeReference[5][];
        typeParams[4] = new TypeReference[] { innerType };
        TypeReference type = new ParameterizedQualifiedTypeReference(AR, typeParams, 0, poss(source, 5));
        // Some magic here
        type.sourceStart = -1;
        type.sourceEnd = -2;
        field.type = type;
        AllocationExpression init = new AllocationExpression();
        // Some magic here
        init.sourceStart = field.initialization.sourceStart;
        init.sourceEnd = init.statementEnd = field.initialization.sourceEnd;
        init.type = copyType(type, source);
        field.initialization = init;
    }
    return statements;
}

Example 4 with IfStatement

use of org.eclipse.jdt.internal.compiler.ast.IfStatement in project lombok by rzwitserloot.

the class HandleEqualsAndHashCode method createEquals.

public MethodDeclaration createEquals(EclipseNode type, Collection<EclipseNode> fields, boolean callSuper, ASTNode source, FieldAccess fieldAccess, boolean needsCanEqual, List<Annotation> onParam) {
    int pS = source.sourceStart;
    int pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration method = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    setGeneratedBy(method, source);
    method.modifiers = toEclipseModifier(AccessLevel.PUBLIC);
    method.returnType = TypeReference.baseTypeReference(TypeIds.T_boolean, 0);
    method.returnType.sourceStart = pS;
    method.returnType.sourceEnd = pE;
    setGeneratedBy(method.returnType, source);
    method.annotations = new Annotation[] { makeMarkerAnnotation(TypeConstants.JAVA_LANG_OVERRIDE, source) };
    method.selector = "equals".toCharArray();
    method.thrownExceptions = null;
    method.typeParameters = null;
    method.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG;
    method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
    method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
    TypeReference objectRef = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] { p, p, p });
    setGeneratedBy(objectRef, source);
    method.arguments = new Argument[] { new Argument(new char[] { 'o' }, 0, objectRef, Modifier.FINAL) };
    method.arguments[0].sourceStart = pS;
    method.arguments[0].sourceEnd = pE;
    if (!onParam.isEmpty())
        method.arguments[0].annotations = onParam.toArray(new Annotation[0]);
    setGeneratedBy(method.arguments[0], source);
    List<Statement> statements = new ArrayList<Statement>();
    /* if (o == this) return true; */
    {
        SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
        setGeneratedBy(oRef, source);
        ThisReference thisRef = new ThisReference(pS, pE);
        setGeneratedBy(thisRef, source);
        EqualExpression otherEqualsThis = new EqualExpression(oRef, thisRef, OperatorIds.EQUAL_EQUAL);
        setGeneratedBy(otherEqualsThis, source);
        TrueLiteral trueLiteral = new TrueLiteral(pS, pE);
        setGeneratedBy(trueLiteral, source);
        ReturnStatement returnTrue = new ReturnStatement(trueLiteral, pS, pE);
        setGeneratedBy(returnTrue, source);
        IfStatement ifOtherEqualsThis = new IfStatement(otherEqualsThis, returnTrue, pS, pE);
        setGeneratedBy(ifOtherEqualsThis, source);
        statements.add(ifOtherEqualsThis);
    }
    /* if (!(o instanceof Outer.Inner.MyType) return false; */
    {
        SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
        setGeneratedBy(oRef, source);
        TypeReference typeReference = createTypeReference(type, p, source, false);
        setGeneratedBy(typeReference, source);
        InstanceOfExpression instanceOf = new InstanceOfExpression(oRef, typeReference);
        instanceOf.sourceStart = pS;
        instanceOf.sourceEnd = pE;
        setGeneratedBy(instanceOf, source);
        Expression notInstanceOf = new UnaryExpression(instanceOf, OperatorIds.NOT);
        setGeneratedBy(notInstanceOf, source);
        FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
        setGeneratedBy(falseLiteral, source);
        ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
        setGeneratedBy(returnFalse, source);
        IfStatement ifNotInstanceOf = new IfStatement(notInstanceOf, returnFalse, pS, pE);
        setGeneratedBy(ifNotInstanceOf, source);
        statements.add(ifNotInstanceOf);
    }
    char[] otherName = "other".toCharArray();
    /* Outer.Inner.MyType<?> other = (Outer.Inner.MyType<?>) o; */
    {
        if (!fields.isEmpty() || needsCanEqual) {
            LocalDeclaration other = new LocalDeclaration(otherName, pS, pE);
            other.modifiers |= ClassFileConstants.AccFinal;
            setGeneratedBy(other, source);
            TypeReference targetType = createTypeReference(type, p, source, true);
            setGeneratedBy(targetType, source);
            other.type = createTypeReference(type, p, source, true);
            setGeneratedBy(other.type, source);
            NameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
            setGeneratedBy(oRef, source);
            other.initialization = makeCastExpression(oRef, targetType, source);
            statements.add(other);
        }
    }
    /* if (!other.canEqual((java.lang.Object) this)) return false; */
    {
        if (needsCanEqual) {
            MessageSend otherCanEqual = new MessageSend();
            otherCanEqual.sourceStart = pS;
            otherCanEqual.sourceEnd = pE;
            setGeneratedBy(otherCanEqual, source);
            otherCanEqual.receiver = new SingleNameReference(otherName, p);
            setGeneratedBy(otherCanEqual.receiver, source);
            otherCanEqual.selector = "canEqual".toCharArray();
            ThisReference thisReference = new ThisReference(pS, pE);
            setGeneratedBy(thisReference, source);
            CastExpression castThisRef = makeCastExpression(thisReference, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), source);
            castThisRef.sourceStart = pS;
            castThisRef.sourceEnd = pE;
            otherCanEqual.arguments = new Expression[] { castThisRef };
            Expression notOtherCanEqual = new UnaryExpression(otherCanEqual, OperatorIds.NOT);
            setGeneratedBy(notOtherCanEqual, source);
            FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
            setGeneratedBy(falseLiteral, source);
            ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
            setGeneratedBy(returnFalse, source);
            IfStatement ifNotCanEqual = new IfStatement(notOtherCanEqual, returnFalse, pS, pE);
            setGeneratedBy(ifNotCanEqual, source);
            statements.add(ifNotCanEqual);
        }
    }
    /* if (!super.equals(o)) return false; */
    if (callSuper) {
        MessageSend callToSuper = new MessageSend();
        callToSuper.sourceStart = pS;
        callToSuper.sourceEnd = pE;
        setGeneratedBy(callToSuper, source);
        callToSuper.receiver = new SuperReference(pS, pE);
        setGeneratedBy(callToSuper.receiver, source);
        callToSuper.selector = "equals".toCharArray();
        SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
        setGeneratedBy(oRef, source);
        callToSuper.arguments = new Expression[] { oRef };
        Expression superNotEqual = new UnaryExpression(callToSuper, OperatorIds.NOT);
        setGeneratedBy(superNotEqual, source);
        FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
        setGeneratedBy(falseLiteral, source);
        ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
        setGeneratedBy(returnFalse, source);
        IfStatement ifSuperEquals = new IfStatement(superNotEqual, returnFalse, pS, pE);
        setGeneratedBy(ifSuperEquals, source);
        statements.add(ifSuperEquals);
    }
    for (EclipseNode field : fields) {
        TypeReference fType = getFieldType(field, fieldAccess);
        char[] token = fType.getLastToken();
        Expression thisFieldAccessor = createFieldAccessor(field, fieldAccess, source);
        Expression otherFieldAccessor = createFieldAccessor(field, fieldAccess, source, otherName);
        if (fType.dimensions() == 0 && token != null) {
            if (Arrays.equals(TypeConstants.FLOAT, token)) {
                statements.add(generateCompareFloatOrDouble(thisFieldAccessor, otherFieldAccessor, "Float".toCharArray(), source));
            } else if (Arrays.equals(TypeConstants.DOUBLE, token)) {
                statements.add(generateCompareFloatOrDouble(thisFieldAccessor, otherFieldAccessor, "Double".toCharArray(), source));
            } else if (BUILT_IN_TYPES.contains(new String(token))) {
                EqualExpression fieldsNotEqual = new EqualExpression(thisFieldAccessor, otherFieldAccessor, OperatorIds.NOT_EQUAL);
                setGeneratedBy(fieldsNotEqual, source);
                FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
                setGeneratedBy(falseLiteral, source);
                ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
                setGeneratedBy(returnStatement, source);
                IfStatement ifStatement = new IfStatement(fieldsNotEqual, returnStatement, pS, pE);
                setGeneratedBy(ifStatement, source);
                statements.add(ifStatement);
            } else /* objects */
            {
                /* final java.lang.Object this$fieldName = this.fieldName; */
                /* final java.lang.Object other$fieldName = other.fieldName; */
                /* if (this$fieldName == null ? other$fieldName != null : !this$fieldName.equals(other$fieldName)) return false;; */
                char[] thisDollarFieldName = ("this$" + field.getName()).toCharArray();
                char[] otherDollarFieldName = ("other$" + field.getName()).toCharArray();
                statements.add(createLocalDeclaration(source, thisDollarFieldName, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), thisFieldAccessor));
                statements.add(createLocalDeclaration(source, otherDollarFieldName, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), otherFieldAccessor));
                SingleNameReference this1 = new SingleNameReference(thisDollarFieldName, p);
                setGeneratedBy(this1, source);
                SingleNameReference this2 = new SingleNameReference(thisDollarFieldName, p);
                setGeneratedBy(this2, source);
                SingleNameReference other1 = new SingleNameReference(otherDollarFieldName, p);
                setGeneratedBy(other1, source);
                SingleNameReference other2 = new SingleNameReference(otherDollarFieldName, p);
                setGeneratedBy(other2, source);
                NullLiteral nullLiteral = new NullLiteral(pS, pE);
                setGeneratedBy(nullLiteral, source);
                EqualExpression fieldIsNull = new EqualExpression(this1, nullLiteral, OperatorIds.EQUAL_EQUAL);
                nullLiteral = new NullLiteral(pS, pE);
                setGeneratedBy(nullLiteral, source);
                EqualExpression otherFieldIsntNull = new EqualExpression(other1, nullLiteral, OperatorIds.NOT_EQUAL);
                MessageSend equalsCall = new MessageSend();
                equalsCall.sourceStart = pS;
                equalsCall.sourceEnd = pE;
                setGeneratedBy(equalsCall, source);
                equalsCall.receiver = this2;
                equalsCall.selector = "equals".toCharArray();
                equalsCall.arguments = new Expression[] { other2 };
                UnaryExpression fieldsNotEqual = new UnaryExpression(equalsCall, OperatorIds.NOT);
                fieldsNotEqual.sourceStart = pS;
                fieldsNotEqual.sourceEnd = pE;
                setGeneratedBy(fieldsNotEqual, source);
                ConditionalExpression fullEquals = new ConditionalExpression(fieldIsNull, otherFieldIsntNull, fieldsNotEqual);
                fullEquals.sourceStart = pS;
                fullEquals.sourceEnd = pE;
                setGeneratedBy(fullEquals, source);
                FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
                setGeneratedBy(falseLiteral, source);
                ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
                setGeneratedBy(returnStatement, source);
                IfStatement ifStatement = new IfStatement(fullEquals, returnStatement, pS, pE);
                setGeneratedBy(ifStatement, source);
                statements.add(ifStatement);
            }
        } else if (fType.dimensions() > 0 && token != null) {
            MessageSend arraysEqualCall = new MessageSend();
            arraysEqualCall.sourceStart = pS;
            arraysEqualCall.sourceEnd = pE;
            setGeneratedBy(arraysEqualCall, source);
            arraysEqualCall.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.UTIL, "Arrays".toCharArray());
            if (fType.dimensions() > 1 || !BUILT_IN_TYPES.contains(new String(token))) {
                arraysEqualCall.selector = "deepEquals".toCharArray();
            } else {
                arraysEqualCall.selector = "equals".toCharArray();
            }
            arraysEqualCall.arguments = new Expression[] { thisFieldAccessor, otherFieldAccessor };
            UnaryExpression arraysNotEqual = new UnaryExpression(arraysEqualCall, OperatorIds.NOT);
            arraysNotEqual.sourceStart = pS;
            arraysNotEqual.sourceEnd = pE;
            setGeneratedBy(arraysNotEqual, source);
            FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
            setGeneratedBy(falseLiteral, source);
            ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
            setGeneratedBy(returnStatement, source);
            IfStatement ifStatement = new IfStatement(arraysNotEqual, returnStatement, pS, pE);
            setGeneratedBy(ifStatement, source);
            statements.add(ifStatement);
        }
    }
    /* return true; */
    {
        TrueLiteral trueLiteral = new TrueLiteral(pS, pE);
        setGeneratedBy(trueLiteral, source);
        ReturnStatement returnStatement = new ReturnStatement(trueLiteral, pS, pE);
        setGeneratedBy(returnStatement, source);
        statements.add(returnStatement);
    }
    method.statements = statements.toArray(new Statement[statements.size()]);
    return method;
}

Example 5 with IfStatement

use of org.eclipse.jdt.internal.compiler.ast.IfStatement in project lombok by rzwitserloot.

the class HandleBuilder method generateBuildMethod.

public MethodDeclaration generateBuildMethod(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>();
    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);
        }
    }
    List<Expression> args = new ArrayList<Expression>();
    for (BuilderFieldData bfd : builderFields) {
        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);
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    out.returnType = returnType;
    if (staticName == null) {
        AllocationExpression allocationStatement = new AllocationExpression();
        allocationStatement.type = copyType(out.returnType);
        allocationStatement.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
        statements.add(new ReturnStatement(allocationStatement, 0, 0));
    } else {
        MessageSend invoke = new MessageSend();
        invoke.selector = staticName;
        if (isStatic)
            invoke.receiver = new SingleNameReference(type.up().getName().toCharArray(), 0);
        else
            invoke.receiver = new QualifiedThisReference(new SingleTypeReference(type.up().getName().toCharArray(), 0), 0, 0);
        TypeParameter[] tps = ((TypeDeclaration) type.get()).typeParameters;
        if (tps != null) {
            TypeReference[] trs = new TypeReference[tps.length];
            for (int i = 0; i < trs.length; i++) {
                trs[i] = new SingleTypeReference(tps[i].name, 0);
            }
            invoke.typeArguments = trs;
        }
        invoke.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
        if (returnType instanceof SingleTypeReference && Arrays.equals(TypeConstants.VOID, ((SingleTypeReference) returnType).token)) {
            statements.add(invoke);
        } else {
            statements.add(new ReturnStatement(invoke, 0, 0));
        }
    }
    out.statements = statements.isEmpty() ? null : statements.toArray(new Statement[statements.size()]);
    out.traverse(new SetGeneratedByVisitor(source), (ClassScope) null);
    return out;
}