Examples of com.strobel.reflection.emit.Label

com.strobel.reflection.emit.Label
@author strobelm


    private void emitObjectBinaryOp(final ExpressionType op) {
        switch (op) {
            case Equal:
            case ReferenceEqual: {
                final Label ifNotEqual = generator.defineLabel();
                final Label exit = generator.defineLabel();


                generator.emit(OpCode.IF_ACMPNE, ifNotEqual);


                generator.emitBoolean(true);
                generator.emitGoto(exit);


                generator.markLabel(ifNotEqual);
                generator.emitBoolean(false);
                generator.emitGoto(exit);


                generator.markLabel(exit);


                break;
            }


            case NotEqual:
            case ReferenceNotEqual: {
                final Label ifEqual = generator.defineLabel();
                final Label exit = generator.defineLabel();


                generator.emit(OpCode.IF_ACMPEQ, ifEqual);


                generator.emitBoolean(true);
                generator.emitGoto(exit);

View Full Code Here

    private void emitBranchAnd(final boolean branch, final BinaryExpression node, final Label label) {
        // if (left) then
        //   if (right) branch label
        // endIf


        final Label endIf = generator.defineLabel();


        emitExpressionAndBranch(!branch, node.getLeft(), endIf);
        emitExpressionAndBranch(branch, node.getRight(), label);


        generator.markLabel(endIf);

View Full Code Here

        // if not, emit into IL
        if (typeBuilder != null) {
            // store into field in our type builder, we will initialize
            // the value only once.
            final FieldBuilder fb = createStaticField("ConstantArray", Type.getType(array));
            final Label l = generator.defineLabel();


            generator.getField(fb);
            generator.emit(OpCode.IFNONNULL, l);
            generator.emitConstantArray(array);
            generator.putField(fb);

View Full Code Here

            // We know the type can be assigned, but still need to check
            // for null at runtime.
            //
            assert !type.isPrimitive();


            final Label ifNull = generator.defineLabel();
            final Label exit = generator.defineLabel();


            emitExpression(node.getOperand());


            generator.emit(OpCode.IFNULL, ifNull);
            generator.emitBoolean(true);

View Full Code Here

                generator.emit(OpCode.ARRAYLENGTH);
                return;
            }


            case IsNull: {
                final Label ifNonNull = generator.defineLabel();
                final Label exit = generator.defineLabel();


                generator.emit(OpCode.IFNONNULL, ifNonNull);
                generator.emitBoolean(true);
                generator.emitGoto(exit);


                generator.markLabel(ifNonNull);
                generator.emitBoolean(false);


                generator.markLabel(exit);
                return;
            }


            case IsNotNull: {
                final Label ifNull = generator.defineLabel();
                final Label exit = generator.defineLabel();


                generator.emit(OpCode.IFNULL, ifNull);
                generator.emitBoolean(true);
                generator.emitGoto(exit);


                generator.markLabel(ifNull);
                generator.emitBoolean(false);


                generator.markLabel(exit);
                return;
            }
        }


        final Type unboxedType = TypeUtils.getUnderlyingPrimitiveOrSelf(operandType);


        if (operandIsBoxed) {
            generator.emitUnbox(operandType);
        }


        switch (op) {
            case Not:
            case OnesComplement: {
                switch (unboxedType.getKind()) {
                    case BOOLEAN: {
                        final Label ifTrue = generator.defineLabel();
                        final Label exit = generator.defineLabel();


                        generator.emitBoolean(false);
                        generator.emit(OpCode.IF_ICMPNE, ifTrue);
                        generator.emitBoolean(true);
                        generator.emitGoto(exit);


                        generator.markLabel(ifTrue);
                        generator.emitBoolean(false);


                        generator.markLabel(exit);


                        break;
                    }


                    case BYTE:
                    case SHORT:
                    case INT: {
                        generator.emitInteger(-1);
                        generator.emit(OpCode.IXOR);
                        break;
                    }


                    case LONG: {
                        generator.emitLong(-1L);
                        generator.emit(OpCode.LXOR);
                        break;
                    }


                    case CHAR: {
                        generator.emitInteger(-1);
                        generator.emit(OpCode.IXOR);
                        break;
                    }


                    default: {
                        throw Error.unaryOperatorNotDefined(op, unboxedType);
                    }
                }
                break;
            }


            case IsFalse: {
                final Label ifTrue = generator.defineLabel();
                final Label exit = generator.defineLabel();


                generator.emitBoolean(false);
                generator.emit(OpCode.IF_ICMPNE, ifTrue);
                generator.emitBoolean(true);
                generator.emitGoto(exit);


                generator.markLabel(ifTrue);
                generator.emitBoolean(false);


                generator.markLabel(exit);


                // Not an arithmetic operation -> no conversion
                return;
            }


            case IsTrue: {
                final Label ifFalse = generator.defineLabel();
                final Label exit = generator.defineLabel();


                generator.emitBoolean(false);
                generator.emit(OpCode.IF_ICMPEQ, ifFalse);
                generator.emitBoolean(true);
                generator.emitGoto(exit);

View Full Code Here


        //
        // Emit filter block. Filter blocks are untyped so we need to do
        // the type check ourselves.
        //
        final Label endFilter = generator.defineLabel();
        final Label rightType = generator.defineLabel();


        //
        // Skip if it's not our exception type, but save the exception if it is
        // so it's available to the filter.
        //

View Full Code Here

0 1

TOP

Related Classes of com.strobel.reflection.emit.Label

com.strobel.expressions.LambdaCompiler

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.