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# transition module to convert from new types to old typesimport vyper.codegen.types as oldimport vyper.semantics.types as newfrom vyper.exceptions import InvalidTypedef new_type_to_old_type(typ: new.BasePrimitive) -> old.NodeType: if isinstance(typ, new.BoolDefinition): return old.BaseType("bool") if isinstance(typ, new.AddressDefinition): return old.BaseType("address") if isinstance(typ, new.InterfaceDefinition): return old.InterfaceType(typ._id) if isinstance(typ, new.BytesMDefinition): m = typ._length # type: ignore return old.BaseType(f"bytes{m}") if isinstance(typ, new.BytesArrayDefinition): return old.ByteArrayType(typ.length) if isinstance(typ, new.StringDefinition): return old.StringType(typ.length) if isinstance(typ, new.DecimalDefinition): return old.BaseType("decimal") if isinstance(typ, new.SignedIntegerAbstractType): bits = typ._bits # type: ignore return old.BaseType("int" + str(bits)) if isinstance(typ, new.UnsignedIntegerAbstractType): bits = typ._bits # type: ignore return old.BaseType("uint" + str(bits)) if isinstance(typ, new.ArrayDefinition): return old.SArrayType(new_type_to_old_type(typ.value_type), typ.length) if isinstance(typ, new.DynamicArrayDefinition): return old.DArrayType(new_type_to_old_type(typ.value_type), typ.length) if isinstance(typ, new.TupleDefinition): # BUG: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer # return old.TupleType(typ.value_type) # FIXED: return old.TupleType([new_type_to_old_type(t) for t in typ.value_type]) if isinstance(typ, new.StructDefinition): return old.StructType( {n: new_type_to_old_type(t) for (n, t) in typ.members.items()}, typ._id ) raise InvalidType(f"unknown type {typ}") |