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

Example 91 with MethodVisitor

use of org.objectweb.asm.MethodVisitor in project byte-buddy by raphw.

the class SerializedConstantTest method testSerialization.

@Test
public void testSerialization() throws Exception {
    MethodVisitor methodVisitor = mock(MethodVisitor.class);
    Implementation.Context implementationContext = mock(Implementation.Context.class);
    SerializedConstant.of(FOO).apply(methodVisitor, implementationContext);
    verify(methodVisitor).visitLdcInsn(contains(FOO));
    verifyZeroInteractions(implementationContext);
}

Example 92 with MethodVisitor

use of org.objectweb.asm.MethodVisitor in project robovm by robovm.

the class ObjCBlockPlugin method generateTargetMethod.

private void generateTargetMethod(String owner, SootMethod targetMethod, Type[] actualGenericTypes, soot.Type[] actualRawTypes, soot.Type[] unboxedTypes, Set<String> usedBoxMethods, Set<String> usedUnboxMethods, ClassWriter cw) {
    String name = targetMethod.getName();
    String signature = getGenericSignature(Arrays.asList(actualGenericTypes).subList(1, actualGenericTypes.length), actualGenericTypes[0]);
    String desc = getDescriptor(targetMethod);
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, name, desc, signature, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, owner, "objCBlock", "L" + getInternalName(org_robovm_objc_ObjCBlock) + ";");
    mv.visitMethodInsn(INVOKEVIRTUAL, getInternalName(org_robovm_objc_ObjCBlock), "invoke", "()J");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, owner, "objCBlock", "L" + getInternalName(org_robovm_objc_ObjCBlock) + ";");
    for (int i = 1, var = 1; i < actualRawTypes.length; i++, var++) {
        soot.Type from = actualRawTypes[i];
        if (from == LongType.v()) {
            mv.visitVarInsn(LLOAD, var);
            // longs need 2 slots
            var++;
        } else if (from == FloatType.v()) {
            mv.visitVarInsn(FLOAD, var);
        } else if (from == DoubleType.v()) {
            mv.visitVarInsn(DLOAD, var);
            // doubles need 2 slots
            var++;
        } else if (from instanceof PrimType) {
            // boolean, byte, short, char and int are loaded using ILOAD
            mv.visitVarInsn(ILOAD, var);
        } else {
            // Reference
            mv.visitVarInsn(ALOAD, var);
        }
        soot.Type to = unboxedTypes[i];
        if (from != to) {
            mv.visitTypeInsn(CHECKCAST, getInternalName(from));
            // Unbox the value on the top of the stack.
            String unboxDesc = getDescriptor(Collections.singletonList(from), to);
            usedUnboxMethods.add(unboxDesc);
            mv.visitMethodInsn(INVOKESTATIC, owner, "unbox", unboxDesc);
        }
    }
    // Now the function pointer, block and all arguments are on the stack 
    // (unboxed if needed). Call the invoke() bridge method.
    List<soot.Type> paramTypes = new ArrayList<>();
    paramTypes.add(LongType.v());
    paramTypes.add(org_robovm_objc_ObjCBlock.getType());
    paramTypes.addAll(Arrays.asList(unboxedTypes).subList(1, unboxedTypes.length));
    mv.visitMethodInsn(INVOKESTATIC, owner, "invoke", getDescriptor(paramTypes, unboxedTypes[0]));
    if (unboxedTypes[0] != actualRawTypes[0]) {
        // Box the value on the top of the stack.
        String boxDesc = getDescriptor(Collections.singletonList(unboxedTypes[0]), actualRawTypes[0]);
        usedBoxMethods.add(boxDesc);
        mv.visitMethodInsn(INVOKESTATIC, owner, "box", boxDesc);
    }
    if (actualRawTypes[0] == VoidType.v()) {
        mv.visitInsn(RETURN);
    } else if (actualRawTypes[0] == LongType.v()) {
        mv.visitInsn(LRETURN);
    } else if (actualRawTypes[0] == FloatType.v()) {
        mv.visitInsn(FRETURN);
    } else if (actualRawTypes[0] == DoubleType.v()) {
        mv.visitInsn(DRETURN);
    } else if (actualRawTypes[0] instanceof PrimType) {
        mv.visitInsn(IRETURN);
    } else {
        mv.visitInsn(ARETURN);
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 93 with MethodVisitor

use of org.objectweb.asm.MethodVisitor in project robovm by robovm.

the class AnnotationImplPlugin method generateHashCodeMethod.

private void generateHashCodeMethod(Clazz clazz, ClassWriter cw) {
    String implName = clazz.getInternalName() + IMPL_CLASS_NAME_SUFFIX;
    // int hashCode();
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "hashCode", "()I", null, null);
    mv.visitCode();
    mv.visitInsn(ICONST_0);
    for (SootMethod method : clazz.getSootClass().getMethods()) {
        String fieldName = getFieldName(method);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(DUP);
        mv.visitFieldInsn(GETFIELD, implName, fieldName, "Ljava/lang/Object;");
        mv.visitLdcInsn(method.getName());
        mv.visitMethodInsn(INVOKESPECIAL, BASE_CLASS, "hash", "(Ljava/lang/Object;Ljava/lang/String;)I");
        mv.visitInsn(IADD);
    }
    mv.visitInsn(IRETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 94 with MethodVisitor

use of org.objectweb.asm.MethodVisitor in project robovm by robovm.

the class AnnotationImplPlugin method generateConstructor.

private void generateConstructor(Clazz clazz, ClassWriter cw) {
    String implName = clazz.getInternalName() + IMPL_CLASS_NAME_SUFFIX;
    // Default constructor
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitLdcInsn(Type.getObjectType(clazz.getInternalName()));
    mv.visitMethodInsn(INVOKESPECIAL, BASE_CLASS, "<init>", "(Ljava/lang/Class;)V");
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, implName, "$setDefaults", "()V");
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 95 with MethodVisitor

use of org.objectweb.asm.MethodVisitor in project robovm by robovm.

the class AnnotationImplPlugin method generateFactoryMethod.

private void generateFactoryMethod(Clazz clazz, ClassWriter cw) throws IOException {
    String implName = clazz.getInternalName() + IMPL_CLASS_NAME_SUFFIX;
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "$create", "()Ljava/lang/Object;", null, null);
    mv.visitCode();
    if (clazz.getSootClass().getMethodCount() == 0) {
        // This annotation has no members. Just call $createSingleton().
        mv.visitMethodInsn(INVOKESTATIC, implName, "$createSingleton", "()Ljava/lang/Object;");
    } else {
        mv.visitTypeInsn(NEW, implName);
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, implName, "<init>", "()V");
    }
    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}