Examples with FieldVisitor org.objectweb.asm.FieldVisitor used on opensource projects

Example 21 with FieldVisitor

use of org.objectweb.asm.FieldVisitor in project soot by Sable.

the class MonitorTest method generate.

@Override
protected void generate(TraceClassVisitor cw) {
    FieldVisitor fv;
    MethodVisitor mv;
    cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, "soot/asm/backend/targets/Monitor", null, "java/lang/Object", null);
    cw.visitSource("Monitor.java", null);
    {
        fv = cw.visitField(0, "o", "Ljava/lang/Object;", null, null);
        fv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    if (targetCompiler == TargetCompiler.eclipse) {
        mv = cw.visitMethod(ACC_PUBLIC, "doSth", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, "soot/asm/backend/targets/Monitor", "o", "Ljava/lang/Object;");
        mv.visitInsn(DUP);
        mv.visitInsn(MONITORENTER);
        mv.visitInsn(MONITOREXIT);
        mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    } else {
        mv = cw.visitMethod(ACC_PUBLIC, "doSth", "()V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, "java/lang/Throwable");
        Label l3 = new Label();
        mv.visitTryCatchBlock(l2, l3, l2, "java/lang/Throwable");
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, "soot/asm/backend/targets/Monitor", "o", "Ljava/lang/Object;");
        mv.visitVarInsn(ASTORE, 0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(MONITORENTER);
        mv.visitLabel(l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(MONITOREXIT);
        mv.visitLabel(l1);
        Label l4 = new Label();
        mv.visitJumpInsn(GOTO, l4);
        mv.visitLabel(l2);
        mv.visitVarInsn(ASTORE, 1);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(MONITOREXIT);
        mv.visitLabel(l3);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitInsn(ATHROW);
        mv.visitLabel(l4);
        mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    cw.visitEnd();
}

Example 22 with FieldVisitor

use of org.objectweb.asm.FieldVisitor in project CodenameOne by codenameone.

the class DefaultWeaveListener method visitEnd.

public void visitEnd() {
    if (isEnum) {
        cv.visitField(ACC_PRIVATE + ACC_STATIC + ACC_FINAL + ACC_SYNTHETIC, SERIAL_ID_FIELD, SERIAL_ID_SIGNATURE, null, new Long(0L));
    }
    if (!classLiteralCalls.isEmpty()) {
        // generate synthetic fields and class$ method
        for (String fieldName : classLiteralCalls) {
            FieldVisitor fv = visitField(ACC_STATIC + ACC_SYNTHETIC + (isInterface ? ACC_PUBLIC : ACC_PRIVATE), fieldName, CLASS_FIELD_DESC, null, null);
            fv.visitEnd();
        }
        if (!isInterface) {
            // "class$" method
            MethodVisitor mv = cv.visitMethod(ACC_STATIC + ACC_SYNTHETIC, "class$", "(Ljava/lang/String;)Ljava/lang/Class;", null, null);
            /*mv.visitCode();

                    Label beginTry = new Label();
                    Label endTry = new Label();
                    Label catchBlock = new Label();
                    Label finished = new Label();
                    mv.visitTryCatchBlock(beginTry, endTry, catchBlock, "java/lang/Exception");
                    mv.visitLabel(beginTry);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitMethodInsn(INVOKESTATIC, "java/lang/Class", "forName", "(Ljava/lang/String;)Ljava/lang/Class;");        
                    mv.visitLabel(endTry);
                    mv.visitJumpInsn(GOTO, finished);
                    mv.visitLabel(catchBlock);
                    mv.visitInsn(POP);
                    mv.visitLabel(finished);

                    mv.visitInsn(ARETURN);
	    
	            mv.visitMaxs(0, 0);
	            mv.visitEnd();*/
            mv.visitCode();
            Label l0 = new Label();
            Label l1 = new Label();
            Label l2 = new Label();
            mv.visitTryCatchBlock(l0, l1, l2, "java/lang/ClassNotFoundException");
            mv.visitLabel(l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESTATIC, "java/lang/Class", "forName", "(Ljava/lang/String;)Ljava/lang/Class;");
            mv.visitLabel(l1);
            mv.visitInsn(ARETURN);
            mv.visitLabel(l2);
            mv.visitVarInsn(ASTORE, 1);
            mv.visitInsn(ACONST_NULL);
            mv.visitInsn(ARETURN);
            /*mv.visitTypeInsn(NEW, "java/lang/NoClassDefFoundError");
                    mv.visitInsn(DUP);
                    mv.visitMethodInsn(INVOKESPECIAL, "java/lang/NoClassDefFoundError", "<init>", "()V");
                    mv.visitVarInsn(ALOAD, 1);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/NoClassDefFoundError", "initCause", "(Ljava/lang/Throwable;)Ljava/lang/Throwable;");
                    mv.visitInsn(ATHROW);*/
            mv.visitMaxs(2, 2);
            mv.visitEnd();
        }
    }
    if (!stripAttributes) {
        RetroWeaverAttribute a = new RetroWeaverAttribute(Weaver.getBuildNumber(), originalClassVersion);
        cv.visitAttribute(a);
    }
    cv.visitEnd();
}

Example 23 with FieldVisitor

use of org.objectweb.asm.FieldVisitor in project soot by Sable.

the class AbstractASMBackend method generateAnnotations.

/**
 * Emits the bytecode for all annotations of a class, field or method
 * @param visitor A ClassVisitor, FieldVisitor or MethodVisitor to emit the bytecode to
 * @param host A Host (SootClass, SootField or SootMethod) the bytecode is to be emitted for, has to match the visitor
 */
protected void generateAnnotations(Object visitor, Host host) {
    for (Tag t : host.getTags()) {
        // Find all VisibilityAnnotationTags
        if (t instanceof VisibilityAnnotationTag) {
            VisibilityAnnotationTag vat = (VisibilityAnnotationTag) t;
            boolean runTimeVisible = (vat.getVisibility() == AnnotationConstants.RUNTIME_VISIBLE);
            for (AnnotationTag at : vat.getAnnotations()) {
                AnnotationVisitor av = null;
                if (visitor instanceof ClassVisitor) {
                    av = ((ClassVisitor) visitor).visitAnnotation(at.getType(), runTimeVisible);
                } else if (visitor instanceof FieldVisitor) {
                    av = ((FieldVisitor) visitor).visitAnnotation(at.getType(), runTimeVisible);
                } else if (visitor instanceof MethodVisitor) {
                    av = ((MethodVisitor) visitor).visitAnnotation(at.getType(), runTimeVisible);
                }
                generateAnnotationElems(av, at.getElems(), true);
            }
        } else // Visit AnnotationDefault on methods
        if (host instanceof SootMethod && t instanceof AnnotationDefaultTag) {
            AnnotationDefaultTag adt = (AnnotationDefaultTag) t;
            AnnotationVisitor av = ((MethodVisitor) visitor).visitAnnotationDefault();
            generateAnnotationElems(av, Collections.singleton(adt.getDefaultVal()), true);
        }
    }
}

Example 24 with FieldVisitor

use of org.objectweb.asm.FieldVisitor in project drill by apache.

the class TestIcebergTableSchema method testPartitionedPartitionSpec.

@Test
public void testPartitionedPartitionSpec() {
    Class<?> clazz = new ClassGenerator(getClass().getSimpleName() + "PartitionedPartitionSpec") {

        @Override
        void addFields(ClassWriter classWriter) {
            FieldVisitor partKey1 = addField(classWriter, Opcodes.ACC_PRIVATE, MetastoreColumn.STORAGE_PLUGIN, String.class);
            annotate(partKey1, MetastoreColumn.STORAGE_PLUGIN, MetadataType.ALL);
            FieldVisitor partKey2 = addField(classWriter, Opcodes.ACC_PRIVATE, MetastoreColumn.WORKSPACE, String.class);
            annotate(partKey2, MetastoreColumn.WORKSPACE, MetadataType.ALL);
            FieldVisitor partKey3 = addField(classWriter, Opcodes.ACC_PRIVATE, MetastoreColumn.TABLE_NAME, String.class);
            annotate(partKey3, MetastoreColumn.TABLE_NAME, MetadataType.ALL);
            FieldVisitor integerField = addField(classWriter, Opcodes.ACC_PRIVATE, MetastoreColumn.ROW_GROUP_INDEX, Integer.class);
            annotate(integerField, MetastoreColumn.ROW_GROUP_INDEX, MetadataType.ROW_GROUP);
            FieldVisitor stringField = addField(classWriter, Opcodes.ACC_PRIVATE, MetastoreColumn.OWNER, Boolean.class);
            annotate(stringField, MetastoreColumn.OWNER, MetadataType.TABLE);
        }
    }.generate();
    IcebergTableSchema schema = IcebergTableSchema.of(clazz, Arrays.asList(MetastoreColumn.STORAGE_PLUGIN, MetastoreColumn.WORKSPACE, MetastoreColumn.TABLE_NAME));
    Types.NestedField partKey1 = schema.tableSchema().findField(MetastoreColumn.STORAGE_PLUGIN.columnName());
    assertNotNull(partKey1);
    Types.NestedField partKey2 = schema.tableSchema().findField(MetastoreColumn.WORKSPACE.columnName());
    assertNotNull(partKey2);
    Types.NestedField partKey3 = schema.tableSchema().findField(MetastoreColumn.TABLE_NAME.columnName());
    assertNotNull(partKey3);
    assertNotNull(schema.tableSchema().findField(MetastoreColumn.ROW_GROUP_INDEX.columnName()));
    assertNotNull(schema.tableSchema().findField(MetastoreColumn.OWNER.columnName()));
    Schema partitionSchema = new Schema(partKey1, partKey2, partKey3);
    PartitionSpec expectedPartitionSpec = PartitionSpec.builderFor(partitionSchema).identity(partKey1.name()).identity(partKey2.name()).identity(partKey3.name()).build();
    assertEquals(expectedPartitionSpec, schema.partitionSpec());
}

Example 25 with FieldVisitor

use of org.objectweb.asm.FieldVisitor in project presto by prestodb.

the class FieldDefinition method visit.

public void visit(ClassVisitor visitor) {
    FieldVisitor fieldVisitor = visitor.visitField(toAccessModifier(access), name, type.getType(), type.getGenericSignature(), null);
    if (fieldVisitor == null) {
        return;
    }
    for (AnnotationDefinition annotation : annotations) {
        annotation.visitFieldAnnotation(fieldVisitor);
    }
    fieldVisitor.visitEnd();
}