示例#1
0
文件: types.py 项目: fvutils/pyvsc
    def get_model(self):
        if self._int_field_info.model is None:
            enums = None if not self.is_enum else self.t.enum_i.enums
            type_t = self.t.get_model()
            # Save the user-visible (Python) name for later use
            if hasattr(self.t, "name"):
                type_t.name = self.t.tname
            else:
                type_t.name = "<primitive>"
            self._int_field_info.model = FieldArrayModel(
                "<unknown-array>", type_t, self.is_scalar, enums,
                self.t.width if self.is_scalar else -1,
                self.t.is_signed if self.is_scalar else -1,
                self._int_field_info.is_rand, self.is_rand_sz)

            if self.init_sz > 0:
                if self.is_enum:
                    ei: EnumInfo = self.t.enum_i
                    ev = ei.v2e_m[ei.enums[0]]
                    for i in range(self.init_sz):
                        self.append(ev)
                elif self.is_scalar:
                    for i in range(self.init_sz):
                        self.append(0)
                else:
                    for i in range(self.init_sz):
                        self.append(type(self.t)())
            elif self.init is not None:
                self.extend(self.init)

        return self._int_field_info.model
示例#2
0
 def get_model(self):
     if self._int_field_info.model is None:
         enums = None if not self.is_enum else self.t.enum_i.enums
         self._int_field_info.model = FieldArrayModel(
             "<unknown>",
             self.is_scalar,
             enums,
             self.t.width if self.is_scalar else -1,
             self.t.is_signed if self.is_scalar else -1,
             self._int_field_info.is_rand,
             self.is_rand_sz)
        
         if self.init_sz > 0:
             if self.is_enum:
                 ei : EnumInfo = self.t.enum_i
                 ev = ei.v2e_m[ei.enums[0]]
                 for i in range(self.init_sz):
                     self.append(ev)
             elif self.is_scalar:
                 for i in range(self.init_sz):
                     self.append(0)
             else:
                 for i in range(self.init_sz):
                     self.append(type(self.t)())
         elif self.init is not None:
             self.extend(self.init)
         
     return self._int_field_info.model
示例#3
0
    def test_incr(self):
        obj = FieldCompositeModel("obj")
        arr = obj.add_field(
            FieldArrayModel(
                "arr",
                None,  # type_t
                True,  # is_scalar
                None,  # not an enum-type list
                32,
                False,
                True,
                False))
        for i in range(10):
            arr.add_field()
        obj.add_constraint(
            ConstraintBlockModel("XX", [
                ConstraintExprModel(
                    ExprBinModel(ExprFieldRefModel(arr.size), BinExprType.Eq,
                                 ExprLiteralModel(10, False, 32)))
            ]))
        foreach = ConstraintForeachModel(ExprFieldRefModel(arr))
        foreach.addConstraint(
            ConstraintImpliesModel(
                ExprBinModel(ExprFieldRefModel(foreach.index), BinExprType.Gt,
                             ExprLiteralModel(0, False, 32)),
                [
                    ConstraintExprModel(
                        ExprBinModel(
                            ExprArraySubscriptModel(
                                ExprFieldRefModel(arr),
                                ExprFieldRefModel(foreach.index)),
                            BinExprType.Eq,
                            ExprBinModel(
                                ExprArraySubscriptModel(
                                    ExprFieldRefModel(arr),
                                    ExprBinModel(
                                        ExprFieldRefModel(foreach.index),
                                        BinExprType.Sub,
                                        ExprLiteralModel(1, False, 32))),
                                BinExprType.Add, ExprLiteralModel(
                                    1, False, 32))))
                ]))

        obj.add_constraint(ConstraintBlockModel("c", [foreach]))

        #         print("Object: " + ModelPrettyPrinter.print(obj))
        #
        #         constraints = ArrayConstraintBuilder.build(obj)
        #         for c in constraints:
        #             print("Constraint: " + ModelPrettyPrinter.print(c))
        #         print("Object(1): " + ModelPrettyPrinter.print(obj))
        #
        #         ConstraintOverrideRollbackVisitor.rollback(obj)
        #         print("Object(2): " + ModelPrettyPrinter.print(obj))

        Randomizer.do_randomize([obj])

        for f in arr.field_l:
            print("" + f.name + ": " + str(int(f.get_val())))
示例#4
0
    def visit_field_scalar_array(self, f:FieldArrayModel):
        if self.phase == 0:
            # TODO: this logic is for rand-sized array fields
            if f.is_rand_sz:
                size_bound = self.bound_m[f.size]
                range_l = size_bound.domain.range_l
                max_size = int(range_l[-1][1])

                # TODO: how do we manage a max size here?                
                if max_size > 100000:
                    raise Exception("Max size for array " + f.name + " (" + str(max_size) + " exceeds 100000")
                
                if len(f.field_l) < max_size:
                    # Extend the size appropriately
                    print("Note: Extending array to size " + str(max_size))
                    for i in range(max_size-len(f.field_l)):
                        f.add_field()
        elif self.phase == 1:
            if not f.is_scalar:
                # Need to recurse into sub-fields for non-scalar arrays
                for sf in f.field_l:
                    sf.accept(self)
示例#5
0
文件: types.py 项目: hodjat91/pyvsc
    def get_model(self):
        if self._int_field_info.model is None:
            self._int_field_info.model = FieldArrayModel(
                "<unknown>", self.is_scalar,
                self.t.width if self.is_scalar else -1,
                self.t.is_signed if self.is_scalar else -1,
                self._int_field_info.is_rand, self.is_rand_sz)

            if self.init_sz > 0:
                for i in range(self.init_sz):
                    if self.is_scalar:
                        self.append(0)
                    else:
                        self.append(type(self.t)())

        return self._int_field_info.model
示例#6
0
    def test_smoke(self):
        obj = FieldCompositeModel("obj")
        arr = obj.add_field(
            FieldArrayModel(
                "arr",
                None,  # type_t
                True,
                None,  # not an enum-type 
                32,
                False,
                True,
                True))
        #         for i in range(10):
        #             arr.add_field()
        obj.add_constraint(
            ConstraintBlockModel("XX", [
                ConstraintExprModel(
                    ExprBinModel(ExprFieldRefModel(arr.size), BinExprType.Eq,
                                 ExprLiteralModel(10, False, 32)))
            ]))

        foreach = ConstraintForeachModel(ExprFieldRefModel(arr))
        foreach.addConstraint(
            ConstraintExprModel(
                ExprBinModel(
                    ExprArraySubscriptModel(ExprFieldRefModel(arr),
                                            ExprFieldRefModel(foreach.index)),
                    BinExprType.Lt, ExprLiteralModel(10, False, 32))))

        obj.add_constraint(ConstraintBlockModel("c", [foreach]))

        #         print("Object: " + ModelPrettyPrinter.print(obj))
        #
        #         constraints = ArrayConstraintBuilder.build(obj)
        #         for c in constraints:
        #             print("Constraint: " + ModelPrettyPrinter.print(c))
        #         print("Object(1): " + ModelPrettyPrinter.print(obj))
        #
        #         ConstraintOverrideRollbackVisitor.rollback(obj)
        #         print("Object(2): " + ModelPrettyPrinter.print(obj))
        randstate = RandState(0)
        Randomizer.do_randomize(randstate, SourceInfo("", -1), [obj])

        for f in arr.field_l:
            print("" + f.name + ": " + str(int(f.get_val())))