Method deserialize

src/function_context.py:701–736

Deserialize the stored context from it's file representation dict. Args: serialized_ctx (dict): a dict containing a serialize()d context instance source_index (int): source index for the current function Return value: The newly created context in

(serialized_ctx, source_index)

    @staticmethod
    def deserialize(serialized_ctx, source_index):
        """Deserialize the stored context from it's file representation dict.

        Args:
            serialized_ctx (dict): a dict containing a serialize()d context instance
            source_index (int): source index for the current function

        Return value:
            The newly created context instance, built according to the serialized form
        """
        context = SourceContext(serialized_ctx["Function Name"], source_index)
        # Numeric Consts
        [context.recordConst(int(x)) for x in serialized_ctx["Numeric Consts"]]
        # Strings
        [context.recordString(x) for x in serialized_ctx["Strings"]]
        # Function Calls
        [context.recordCall(x) for x in serialized_ctx["Calls"]]
        # Unknowns
        [context.recordUnknown(x, False) for x in serialized_ctx["Unknown Functions"]]
        [context.recordUnknown(x, True) for x in serialized_ctx["Unknown Globals"]]
        # Hash
        context.setHash(serialized_ctx["Hash"])
        # Frame size
        context.setFrame(serialized_ctx["Stack Frame Size"])
        # Function size
        context.setInstrCount(serialized_ctx["Instruction Count"])
        # Function Blocks
        [context.recordBlock(x) for x in serialized_ctx["Code Block Sizes"]]
        # Call order
        context.setCallOrder(serialized_ctx["Call Order"])
        # Is static
        if serialized_ctx["Is Static"]:
            context.markStatic()
        # Now rank the consts
        context.rankConsts()
        return context

class BinaryContext(BinFileFunction, FunctionContext):
    """A context that describes the full canonical representation of a binary function, with all of it's logic.