Package org.ow2.asm

Examples of org.ow2.asm.Label

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        mv.visitVarInsn( ASTORE, 1 );
        mv.visitVarInsn( ALOAD, 1 );

        if ( BuildUtils.isPrimitive( fieldType ) ) {

            Label l0 = new Label();
            mv.visitJumpInsn( IFNULL, l0 );
            mv.visitVarInsn( ALOAD, 1 );
            Label l1 = new Label();
            mv.visitJumpInsn( GOTO, l1 );
            mv.visitLabel( l0 );
            mv.visitInsn( BuildUtils.zero( fieldType ) );
            mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                BuildUtils.getInternalType( BuildUtils.box( fieldType ) ),
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        mv.visitVarInsn( ASTORE, 1 );
        mv.visitVarInsn( ALOAD, 1 );

        if ( BuildUtils.isPrimitive( fieldType ) ) {
            Label l0 = new Label();
            mv.visitJumpInsn( IFNULL, l0 );
            mv.visitVarInsn( ALOAD, 1 );
            Label l1 = new Label();
            mv.visitJumpInsn( GOTO, l1 );
            mv.visitLabel( l0 );
            mv.visitInsn( BuildUtils.zero( fieldType ) );
            mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                BuildUtils.getInternalType( BuildUtils.box( fieldType ) ),
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        mv = cw.visitMethod( ACC_PUBLIC, "equals", "(" + Type.getDescriptor( Object.class ) + ")Z", null, null );
        mv.visitCode();

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitVarInsn( ALOAD, 1 );
        Label l0 = new Label();
        mv.visitJumpInsn( IF_ACMPNE, l0 );
        mv.visitInsn( ICONST_1 );
        mv.visitInsn( IRETURN );

        mv.visitLabel( l0 );
        mv.visitVarInsn( ALOAD, 1 );
        Label l1 = new Label();
        mv.visitJumpInsn( IFNULL, l1 );
        mv.visitVarInsn( ALOAD, 0 );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "getClass", "()" + Type.getDescriptor( Class.class ) );
        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "getClass", "()" + Type.getDescriptor( Class.class ) );
        Label l2 = new Label();
        mv.visitJumpInsn( IF_ACMPEQ, l2 );
        mv.visitLabel( l1 );
        mv.visitInsn( ICONST_0 );
        mv.visitInsn( IRETURN );
        mv.visitLabel( l2 );


        mv.visitVarInsn( ALOAD, 1 );
        mv.visitTypeInsn( CHECKCAST, proxyType );
        mv.visitVarInsn( ASTORE, 2 );

        int x = 2;

        for ( FieldDefinition field : classDef.getFieldsDefinitions() ) {
            if ( field.isKey() ) {


                if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {

                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    Label l11 = new Label();
                    mv.visitJumpInsn( IFNULL, l11 );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( field.getTypeName() ), "equals", "(" + Type.getDescriptor( Object.class ) + ")Z" );
                    Label l12 = new Label();
                    mv.visitJumpInsn( IFNE, l12 );
                    Label l13 = new Label();
                    mv.visitJumpInsn( GOTO, l13 );
                    mv.visitLabel( l11 );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitJumpInsn( IFNULL, l12 );
                    mv.visitLabel( l13 );
                    mv.visitInsn( ICONST_0 );
                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l12 );

                } else if ( "double".equals( field.getTypeName() ) ) {

                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Double.class ), "compare", "(DD)I" );
                    Label l5 = new Label();
                    mv.visitJumpInsn( IFEQ, l5 );
                    mv.visitInsn( ICONST_0 );
                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l5 );

                    x = Math.max( x, 4 );

                } else if ( "float".equals( field.getTypeName() ) ) {

                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Float.class ), "compare", "(FF)I" );
                    Label l6 = new Label();
                    mv.visitJumpInsn( IFEQ, l6 );
                    mv.visitInsn( ICONST_0 );
                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l6 );


                }  else if ( "long".equals( field.getTypeName() ) ) {

                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitInsn( LCMP );
                    Label l8 = new Label();
                    mv.visitJumpInsn( IFEQ, l8 );
                    mv.visitInsn( ICONST_0 );
                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l8 );

                    x = Math.max( x, 4 );

                } else {

                    mv.visitVarInsn( ALOAD, 0 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    mv.visitVarInsn( ALOAD, 2 );
                    mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                        "()" + Type.getDescriptor( field.getType() ) );
                    Label l4 = new Label();
                    mv.visitJumpInsn( IF_ICMPEQ, l4 );
                    mv.visitInsn( ICONST_0 );
                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l4 );
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                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        Label l8 = new Label();
                        mv.visitJumpInsn( IFNULL, l8 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( field.getTypeName() ), "hashCode", "()I" );
                        Label l9 = new Label();
                        mv.visitJumpInsn( GOTO, l9 );
                        mv.visitLabel( l8 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l9 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                    } else if ( "double".equals( field.getTypeName() ) ) {


                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitInsn( DCONST_0 );
                        mv.visitInsn( DCMPL );
                        Label l2 = new Label();
                        mv.visitJumpInsn( IFEQ, l2 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Double.class ), "doubleToLongBits", "(D)J" );
                        Label l3 = new Label();
                        mv.visitJumpInsn( GOTO, l3 );
                        mv.visitLabel( l2 );
                        mv.visitInsn( LCONST_0 );
                        mv.visitLabel( l3 );
                        mv.visitVarInsn( LSTORE, 2 );
                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( LLOAD, 2 );
                        mv.visitVarInsn( LLOAD, 2 );
                        mv.visitIntInsn( BIPUSH, 32 );
                        mv.visitInsn( LUSHR );
                        mv.visitInsn( LXOR );
                        mv.visitInsn( L2I );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                        x = Math.max( 6, x );
                        y = Math.max( 4, y );

                    } else if ( "boolean".equals( field.getTypeName() ) ) {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        Label l4 = new Label();
                        mv.visitJumpInsn( IFEQ, l4 );
                        mv.visitInsn( ICONST_1 );
                        Label l5 = new Label();
                        mv.visitJumpInsn( GOTO, l5 );
                        mv.visitLabel( l4 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l5 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                    } else if ( "float".equals( field.getTypeName() ) ) {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitInsn( FCONST_0 );
                        mv.visitInsn( FCMPL );
                        Label l6 = new Label();
                        mv.visitJumpInsn( IFEQ, l6 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Float.class ), "floatToIntBits", "(F)I" );
                        Label l7 = new Label();
                        mv.visitJumpInsn( GOTO, l7 );
                        mv.visitLabel( l6 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l7 );
                        mv.visitInsn( IADD );
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        mv.visitVarInsn( ALOAD, 0 );
        mv.visitMethodInsn( INVOKEVIRTUAL,
                            BuildUtils.getInternalType( proxyName ),
                            BuildUtils.getterName( fld.getName(), fld.getTypeName() ),
                            "()" + BuildUtils.getTypeDescriptor( fld.getTypeName() ) );
        Label l0 = null;
        if ( ! BuildUtils.isPrimitive( fld.getTypeName() ) ) {
            l0 = new Label();
            mv.visitJumpInsn( IFNONNULL, l0 );
        }

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitLdcInsn( fld.getInitExpr() );
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        mv.visitVarInsn( ASTORE, j );
        mv.visitVarInsn( ALOAD, 0 );
        mv.visitVarInsn( ALOAD, j );

        if ( BuildUtils.isPrimitive( fld.getTypeName() ) ) {
            Label l0 = new Label();
            mv.visitJumpInsn( IFNULL, l0 );
            mv.visitVarInsn( ALOAD, j );
            mv.visitTypeInsn( CHECKCAST, BuildUtils.getInternalType( BuildUtils.box( fld.getTypeName() ) ) );
            mv.visitMethodInsn( INVOKEVIRTUAL,
                                BuildUtils.getInternalType( BuildUtils.box( fld.getTypeName() ) ),
                                BuildUtils.numericMorph( BuildUtils.box( fld.getTypeName() ) ),
                                Type.getMethodDescriptor( Type.getType( fld.getType() ), new Type[] {} ) );
            Label l1 = new Label();
            mv.visitJumpInsn( GOTO, l1 );
            mv.visitLabel( l0 );
            mv.visitInsn( BuildUtils.zero( fld.getTypeName() ) );
            mv.visitLabel( l1 );
        } else {
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        mv.visitMaxs(0, 0);
        mv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC, "forwardJSR", "([I)V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        Label l3 = new Label();
        Label l4 = new Label();
        Label l5 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitLabel(l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
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        mv.visitMaxs(0, 0);
        mv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC, "backwardJSR", "([I)V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        Label l3 = new Label();
        Label l4 = new Label();
        Label l5 = new Label();
        Label l6 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitInsn(ICONST_0);
        mv.visitVarInsn(ISTORE, 4);
        mv.visitJumpInsn(GOTO, l0);
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    }

    public void testIllegalLabelInsnOperand() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        Label l = new Label();
        mv.visitLabel(l);
        try {
            mv.visitLabel(l);
            fail();
        } catch (Exception e) {
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                        mv.visitLabel(label);
                    }

                    @Override
                    public void visitMaxs(int maxStack, int maxLocals) {
                        Label unwindhandler = new Label();
                        mv.visitLabel(unwindhandler);
                        mv.visitInsn(Opcodes.ATHROW); // rethrow
                        mv.visitTryCatchBlock(entryLabel,
                                unwindhandler,
                                unwindhandler,
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TOP

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