//===-- SWIG Interface for SBData -------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//


namespace lldb {

class SBData
{
public:

    SBData ();

    SBData (const SBData &rhs);

    ~SBData ();

    uint8_t
    GetAddressByteSize ();

    void
    SetAddressByteSize (uint8_t addr_byte_size);

    void
    Clear ();

    bool
    IsValid();

    explicit operator bool() const;

    size_t
    GetByteSize ();

    lldb::ByteOrder
    GetByteOrder();

    void
    SetByteOrder (lldb::ByteOrder endian);

    float
    GetFloat (lldb::SBError& error, lldb::offset_t offset);

    double
    GetDouble (lldb::SBError& error, lldb::offset_t offset);

    long double
    GetLongDouble (lldb::SBError& error, lldb::offset_t offset);

    lldb::addr_t
    GetAddress (lldb::SBError& error, lldb::offset_t offset);

    uint8_t
    GetUnsignedInt8 (lldb::SBError& error, lldb::offset_t offset);

    uint16_t
    GetUnsignedInt16 (lldb::SBError& error, lldb::offset_t offset);

    uint32_t
    GetUnsignedInt32 (lldb::SBError& error, lldb::offset_t offset);

    uint64_t
    GetUnsignedInt64 (lldb::SBError& error, lldb::offset_t offset);

    int8_t
    GetSignedInt8 (lldb::SBError& error, lldb::offset_t offset);

    int16_t
    GetSignedInt16 (lldb::SBError& error, lldb::offset_t offset);

    int32_t
    GetSignedInt32 (lldb::SBError& error, lldb::offset_t offset);

    int64_t
    GetSignedInt64 (lldb::SBError& error, lldb::offset_t offset);

    const char*
    GetString (lldb::SBError& error, lldb::offset_t offset);

    bool
    GetDescription (lldb::SBStream &description, lldb::addr_t base_addr);

    size_t
    ReadRawData (lldb::SBError& error,
                 lldb::offset_t offset,
                 void *buf,
                 size_t size);

    void
    SetData (lldb::SBError& error, const void *buf, size_t size, lldb::ByteOrder endian, uint8_t addr_size);

    bool
    Append (const SBData& rhs);

    static lldb::SBData
    CreateDataFromCString (lldb::ByteOrder endian, uint32_t addr_byte_size, const char* data);

    // in the following CreateData*() and SetData*() prototypes, the two parameters array and array_len
    // should not be renamed or rearranged, because doing so will break the SWIG typemap
    static lldb::SBData
    CreateDataFromUInt64Array (lldb::ByteOrder endian, uint32_t addr_byte_size, uint64_t* array, size_t array_len);

    static lldb::SBData
    CreateDataFromUInt32Array (lldb::ByteOrder endian, uint32_t addr_byte_size, uint32_t* array, size_t array_len);

    static lldb::SBData
    CreateDataFromSInt64Array (lldb::ByteOrder endian, uint32_t addr_byte_size, int64_t* array, size_t array_len);

    static lldb::SBData
    CreateDataFromSInt32Array (lldb::ByteOrder endian, uint32_t addr_byte_size, int32_t* array, size_t array_len);

    static lldb::SBData
    CreateDataFromDoubleArray (lldb::ByteOrder endian, uint32_t addr_byte_size, double* array, size_t array_len);

    bool
    SetDataFromCString (const char* data);

    bool
    SetDataFromUInt64Array (uint64_t* array, size_t array_len);

    bool
    SetDataFromUInt32Array (uint32_t* array, size_t array_len);

    bool
    SetDataFromSInt64Array (int64_t* array, size_t array_len);

    bool
    SetDataFromSInt32Array (int32_t* array, size_t array_len);

    bool
    SetDataFromDoubleArray (double* array, size_t array_len);

    STRING_EXTENSION(SBData)

#ifdef SWIGPYTHON
    %pythoncode %{

        class read_data_helper:
            def __init__(self, sbdata, readerfunc, item_size):
                self.sbdata = sbdata
                self.readerfunc = readerfunc
                self.item_size = item_size
            def __getitem__(self,key):
                if isinstance(key,slice):
                    list = []
                    for x in range(*key.indices(self.__len__())):
                        list.append(self.__getitem__(x))
                    return list
                if not (isinstance(key,six.integer_types)):
                    raise TypeError('must be int')
                key = key * self.item_size # SBData uses byte-based indexes, but we want to use itemsize-based indexes here
                error = SBError()
                my_data = self.readerfunc(self.sbdata,error,key)
                if error.Fail():
                    raise IndexError(error.GetCString())
                else:
                    return my_data
            def __len__(self):
                return int(self.sbdata.GetByteSize()/self.item_size)
            def all(self):
                return self[0:len(self)]

        @classmethod
        def CreateDataFromInt (cls, value, size = None, target = None, ptr_size = None, endian = None):
            import sys
            lldbmodule = sys.modules[cls.__module__]
            lldbdict = lldbmodule.__dict__
            if 'target' in lldbdict:
                lldbtarget = lldbdict['target']
            else:
                lldbtarget = None
            if target == None and lldbtarget != None and lldbtarget.IsValid():
                target = lldbtarget
            if ptr_size == None:
                if target and target.IsValid():
                    ptr_size = target.addr_size
                else:
                    ptr_size = 8
            if endian == None:
                if target and target.IsValid():
                    endian = target.byte_order
                else:
                    endian = lldbdict['eByteOrderLittle']
            if size == None:
                if value > 2147483647:
                    size = 8
                elif value < -2147483648:
                    size = 8
                elif value > 4294967295:
                    size = 8
                else:
                    size = 4
            if size == 4:
                if value < 0:
                    return SBData().CreateDataFromSInt32Array(endian, ptr_size, [value])
                return SBData().CreateDataFromUInt32Array(endian, ptr_size, [value])
            if size == 8:
                if value < 0:
                    return SBData().CreateDataFromSInt64Array(endian, ptr_size, [value])
                return SBData().CreateDataFromUInt64Array(endian, ptr_size, [value])
            return None

        def _make_helper(self, sbdata, getfunc, itemsize):
            return self.read_data_helper(sbdata, getfunc, itemsize)

        def _make_helper_uint8(self):
            return self._make_helper(self, SBData.GetUnsignedInt8, 1)

        def _make_helper_uint16(self):
            return self._make_helper(self, SBData.GetUnsignedInt16, 2)

        def _make_helper_uint32(self):
            return self._make_helper(self, SBData.GetUnsignedInt32, 4)

        def _make_helper_uint64(self):
            return self._make_helper(self, SBData.GetUnsignedInt64, 8)

        def _make_helper_sint8(self):
            return self._make_helper(self, SBData.GetSignedInt8, 1)

        def _make_helper_sint16(self):
            return self._make_helper(self, SBData.GetSignedInt16, 2)

        def _make_helper_sint32(self):
            return self._make_helper(self, SBData.GetSignedInt32, 4)

        def _make_helper_sint64(self):
            return self._make_helper(self, SBData.GetSignedInt64, 8)

        def _make_helper_float(self):
            return self._make_helper(self, SBData.GetFloat, 4)

        def _make_helper_double(self):
            return self._make_helper(self, SBData.GetDouble, 8)

        def _read_all_uint8(self):
            return self._make_helper_uint8().all()

        def _read_all_uint16(self):
            return self._make_helper_uint16().all()

        def _read_all_uint32(self):
            return self._make_helper_uint32().all()

        def _read_all_uint64(self):
            return self._make_helper_uint64().all()

        def _read_all_sint8(self):
            return self._make_helper_sint8().all()

        def _read_all_sint16(self):
            return self._make_helper_sint16().all()

        def _read_all_sint32(self):
            return self._make_helper_sint32().all()

        def _read_all_sint64(self):
            return self._make_helper_sint64().all()

        def _read_all_float(self):
            return self._make_helper_float().all()

        def _read_all_double(self):
            return self._make_helper_double().all()

        uint8 = property(_make_helper_uint8, None, doc='''A read only property that returns an array-like object out of which you can read uint8 values.''')
        uint16 = property(_make_helper_uint16, None, doc='''A read only property that returns an array-like object out of which you can read uint16 values.''')
        uint32 = property(_make_helper_uint32, None, doc='''A read only property that returns an array-like object out of which you can read uint32 values.''')
        uint64 = property(_make_helper_uint64, None, doc='''A read only property that returns an array-like object out of which you can read uint64 values.''')
        sint8 = property(_make_helper_sint8, None, doc='''A read only property that returns an array-like object out of which you can read sint8 values.''')
        sint16 = property(_make_helper_sint16, None, doc='''A read only property that returns an array-like object out of which you can read sint16 values.''')
        sint32 = property(_make_helper_sint32, None, doc='''A read only property that returns an array-like object out of which you can read sint32 values.''')
        sint64 = property(_make_helper_sint64, None, doc='''A read only property that returns an array-like object out of which you can read sint64 values.''')
        float = property(_make_helper_float, None, doc='''A read only property that returns an array-like object out of which you can read float values.''')
        double = property(_make_helper_double, None, doc='''A read only property that returns an array-like object out of which you can read double values.''')
        uint8s = property(_read_all_uint8, None, doc='''A read only property that returns an array with all the contents of this SBData represented as uint8 values.''')
        uint16s = property(_read_all_uint16, None, doc='''A read only property that returns an array with all the contents of this SBData represented as uint16 values.''')
        uint32s = property(_read_all_uint32, None, doc='''A read only property that returns an array with all the contents of this SBData represented as uint32 values.''')
        uint64s = property(_read_all_uint64, None, doc='''A read only property that returns an array with all the contents of this SBData represented as uint64 values.''')
        sint8s = property(_read_all_sint8, None, doc='''A read only property that returns an array with all the contents of this SBData represented as sint8 values.''')
        sint16s = property(_read_all_sint16, None, doc='''A read only property that returns an array with all the contents of this SBData represented as sint16 values.''')
        sint32s = property(_read_all_sint32, None, doc='''A read only property that returns an array with all the contents of this SBData represented as sint32 values.''')
        sint64s = property(_read_all_sint64, None, doc='''A read only property that returns an array with all the contents of this SBData represented as sint64 values.''')
        floats = property(_read_all_float, None, doc='''A read only property that returns an array with all the contents of this SBData represented as float values.''')
        doubles = property(_read_all_double, None, doc='''A read only property that returns an array with all the contents of this SBData represented as double values.''')
        byte_order = property(GetByteOrder, SetByteOrder, doc='''A read/write property getting and setting the endianness of this SBData (data.byte_order = lldb.eByteOrderLittle).''')
        size = property(GetByteSize, None, doc='''A read only property that returns the size the same result as GetByteSize().''')
    %}
#endif

};

} // namespace lldb