remove unused/ never implemented functions

data_specification/data_specification_executor_functions.py

@@ -12,13 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import io
 import struct
 from spinn_utilities.overrides import overrides
 from .constants import (
     END_SPEC_EXECUTOR, LEN2, LEN3, MAX_MEM_REGIONS, MAX_REGISTERS)
 from .exceptions import (
-    DataSpecificationSyntaxError, ExecuteBreakInstruction, NoMoreException,
+    DataSpecificationSyntaxError, NoMoreException,
     NoRegionSelectedException, ParameterOutOfBoundsException,
     RegionInUseException, RegionNotAllocatedException,
     RegionUnfilledException, UnknownTypeLengthException)
@@ -130,18 +129,6 @@ def _region(self):
             return None
         return self._mem_regions[self._current_region]
 
-    @overrides(AbstractExecutorFunctions.execute_break)
-    def execute_break(self, cmd):
-        """
-        :raise ExecuteBreakInstruction:
-            Raises the exception to break the execution of the DSE
-        """
-        if isinstance(self._spec_reader, io.FileIO):
-            name = self._spec_reader.name
-        else:
-            name = "<stream>"
-        raise ExecuteBreakInstruction(self._spec_reader.tell(), name)
-
     @overrides(AbstractExecutorFunctions.execute_reserve)
     def execute_reserve(self, cmd):
         """
@@ -282,19 +269,6 @@ def execute_switch_focus(self, cmd):
             raise RegionUnfilledException(region, "SWITCH_FOCUS")
         self._current_region = region
 
-    @overrides(AbstractExecutorFunctions.execute_mv)
-    def execute_mv(self, cmd):
-        self.__unpack_cmd(cmd)
-        if self.__dest_reg is None:
-            raise DataSpecificationSyntaxError(
-                "Destination register not correctly specified")
-
-        if self.__src1_reg is not None:
-            self._registers[self.__dest_reg] = self._registers[self.__src1_reg]
-        else:
-            self._registers[self.__dest_reg] = \
-                _ONE_WORD.unpack(self._spec_reader.read(4))[0]
-
     @overrides(AbstractExecutorFunctions.execute_set_wr_ptr)
     def execute_set_wr_ptr(self, cmd):
         """

data_specification/exceptions.py

@@ -236,23 +236,6 @@ def __init__(self, type_name, type_size, command):
             f"during command {command}")
 
 
-class ExecuteBreakInstruction(DataSpecificationException):
-    """
-    An exception which occurs when a `BREAK` instruction is found in the
-    data specification.
-    """
-
-    def __init__(self, address, filename):
-        """
-        :param int address: address of the data specification being executed
-            at the time of breakpoint
-        :param str filename: file being parsed
-        """
-        super().__init__(
-            f"Executing BREAK instruction at address {address} of "
-            f"file {filename}")
-
-
 class DataSpecificationSyntaxError(DataSpecificationException):
     """
     An exception which occurs when a command read from the data