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

Example 1 with BinaryExpression

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

the class HandleToString method createToString.

public static MethodDeclaration createToString(EclipseNode type, Collection<EclipseNode> fields, boolean includeFieldNames, boolean callSuper, ASTNode source, FieldAccess fieldAccess) {
    String typeName = getTypeName(type);
    char[] suffix = ")".toCharArray();
    String infixS = ", ";
    char[] infix = infixS.toCharArray();
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    final int PLUS = OperatorIds.PLUS;
    char[] prefix;
    if (callSuper) {
        prefix = (typeName + "(super=").toCharArray();
    } else if (fields.isEmpty()) {
        prefix = (typeName + "()").toCharArray();
    } else if (includeFieldNames) {
        prefix = (typeName + "(" + new String(((FieldDeclaration) fields.iterator().next().get()).name) + "=").toCharArray();
    } else {
        prefix = (typeName + "(").toCharArray();
    }
    boolean first = true;
    Expression current = new StringLiteral(prefix, pS, pE, 0);
    setGeneratedBy(current, source);
    if (callSuper) {
        MessageSend callToSuper = new MessageSend();
        callToSuper.sourceStart = pS;
        callToSuper.sourceEnd = pE;
        setGeneratedBy(callToSuper, source);
        callToSuper.receiver = new SuperReference(pS, pE);
        setGeneratedBy(callToSuper, source);
        callToSuper.selector = "toString".toCharArray();
        current = new BinaryExpression(current, callToSuper, PLUS);
        setGeneratedBy(current, source);
        first = false;
    }
    for (EclipseNode field : fields) {
        TypeReference fieldType = getFieldType(field, fieldAccess);
        Expression fieldAccessor = createFieldAccessor(field, fieldAccess, source);
        // The distinction between primitive and object will be useful if we ever add a 'hideNulls' option.
        boolean fieldBaseTypeIsPrimitive = BUILT_IN_TYPES.contains(new String(fieldType.getLastToken()));
        boolean fieldIsPrimitive = fieldType.dimensions() == 0 && fieldBaseTypeIsPrimitive;
        boolean fieldIsPrimitiveArray = fieldType.dimensions() == 1 && fieldBaseTypeIsPrimitive;
        boolean fieldIsObjectArray = fieldType.dimensions() > 0 && !fieldIsPrimitiveArray;
        @SuppressWarnings("unused") boolean fieldIsObject = !fieldIsPrimitive && !fieldIsPrimitiveArray && !fieldIsObjectArray;
        Expression ex;
        if (fieldIsPrimitiveArray || fieldIsObjectArray) {
            MessageSend arrayToString = new MessageSend();
            arrayToString.sourceStart = pS;
            arrayToString.sourceEnd = pE;
            arrayToString.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.UTIL, "Arrays".toCharArray());
            arrayToString.arguments = new Expression[] { fieldAccessor };
            setGeneratedBy(arrayToString.arguments[0], source);
            arrayToString.selector = (fieldIsObjectArray ? "deepToString" : "toString").toCharArray();
            ex = arrayToString;
        } else {
            ex = fieldAccessor;
        }
        setGeneratedBy(ex, source);
        if (first) {
            current = new BinaryExpression(current, ex, PLUS);
            current.sourceStart = pS;
            current.sourceEnd = pE;
            setGeneratedBy(current, source);
            first = false;
            continue;
        }
        StringLiteral fieldNameLiteral;
        if (includeFieldNames) {
            char[] namePlusEqualsSign = (infixS + field.getName() + "=").toCharArray();
            fieldNameLiteral = new StringLiteral(namePlusEqualsSign, pS, pE, 0);
        } else {
            fieldNameLiteral = new StringLiteral(infix, pS, pE, 0);
        }
        setGeneratedBy(fieldNameLiteral, source);
        current = new BinaryExpression(current, fieldNameLiteral, PLUS);
        setGeneratedBy(current, source);
        current = new BinaryExpression(current, ex, PLUS);
        setGeneratedBy(current, source);
    }
    if (!first) {
        StringLiteral suffixLiteral = new StringLiteral(suffix, pS, pE, 0);
        setGeneratedBy(suffixLiteral, source);
        current = new BinaryExpression(current, suffixLiteral, PLUS);
        setGeneratedBy(current, source);
    }
    ReturnStatement returnStatement = new ReturnStatement(current, pS, pE);
    setGeneratedBy(returnStatement, source);
    MethodDeclaration method = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    setGeneratedBy(method, source);
    method.modifiers = toEclipseModifier(AccessLevel.PUBLIC);
    method.returnType = new QualifiedTypeReference(TypeConstants.JAVA_LANG_STRING, new long[] { p, p, p });
    setGeneratedBy(method.returnType, source);
    method.annotations = new Annotation[] { makeMarkerAnnotation(TypeConstants.JAVA_LANG_OVERRIDE, source) };
    method.arguments = null;
    method.selector = "toString".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;
    method.statements = new Statement[] { returnStatement };
    return method;
}

Example 2 with BinaryExpression

use of org.eclipse.jdt.internal.compiler.ast.BinaryExpression 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 3 with BinaryExpression

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

the class HandleEqualsAndHashCode method createResultCalculation.

public Expression createResultCalculation(ASTNode source, Expression ex) {
    /* result = result * PRIME + (ex); */
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    SingleNameReference resultRef = new SingleNameReference(RESULT, p);
    setGeneratedBy(resultRef, source);
    SingleNameReference primeRef = new SingleNameReference(PRIME, p);
    setGeneratedBy(primeRef, source);
    BinaryExpression multiplyByPrime = new BinaryExpression(resultRef, primeRef, OperatorIds.MULTIPLY);
    multiplyByPrime.sourceStart = pS;
    multiplyByPrime.sourceEnd = pE;
    setGeneratedBy(multiplyByPrime, source);
    BinaryExpression addItem = new BinaryExpression(multiplyByPrime, ex, OperatorIds.PLUS);
    addItem.sourceStart = pS;
    addItem.sourceEnd = pE;
    setGeneratedBy(addItem, source);
    resultRef = new SingleNameReference(RESULT, p);
    setGeneratedBy(resultRef, source);
    Assignment assignment = new Assignment(resultRef, addItem, pE);
    assignment.sourceStart = pS;
    assignment.sourceEnd = assignment.statementEnd = pE;
    setGeneratedBy(assignment, source);
    return assignment;
}

Example 4 with BinaryExpression

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

the class HandleEqualsAndHashCode method longToIntForHashCode.

/**
 * Give 2 clones!
 */
public Expression longToIntForHashCode(Expression ref1, Expression ref2, ASTNode source) {
    int pS = source.sourceStart, pE = source.sourceEnd;
    /* (int)(ref >>> 32 ^ ref) */
    IntLiteral int32 = makeIntLiteral("32".toCharArray(), source);
    BinaryExpression higherBits = new BinaryExpression(ref1, int32, OperatorIds.UNSIGNED_RIGHT_SHIFT);
    setGeneratedBy(higherBits, source);
    BinaryExpression xorParts = new BinaryExpression(ref2, higherBits, OperatorIds.XOR);
    setGeneratedBy(xorParts, source);
    TypeReference intRef = TypeReference.baseTypeReference(TypeIds.T_int, 0);
    intRef.sourceStart = pS;
    intRef.sourceEnd = pE;
    setGeneratedBy(intRef, source);
    CastExpression expr = makeCastExpression(xorParts, intRef, source);
    expr.sourceStart = pS;
    expr.sourceEnd = pE;
    return expr;
}