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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,8 @@ | ||
| from .state_variable import StateVariable | ||
| from .variable import Variable | ||
| from .local_variable_init_from_tuple import LocalVariableInitFromTuple | ||
| from .local_variable import LocalVariable | ||
| from .top_level_variable import TopLevelVariable | ||
| from .event_variable import EventVariable | ||
| from .function_type_variable import FunctionTypeVariable | ||
| from .structure_variable import StructureVariable |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| from typing import Union | ||
|
|
||
| from slither.core import variables | ||
| from slither.core.declarations import ( | ||
| SolidityVariable, | ||
| SolidityVariableComposed, | ||
| Structure, | ||
| Enum, | ||
| Contract, | ||
| ) | ||
| from slither.core import solidity_types | ||
| from slither.slithir import operations | ||
| from slither.slithir import variables as SlitherIRVariable | ||
|
|
||
|
|
||
| # pylint: disable=too-many-branches | ||
| def ntype(_type: Union[solidity_types.Type, str]) -> str: | ||
| if isinstance(_type, solidity_types.ElementaryType): | ||
| _type = str(_type) | ||
| elif isinstance(_type, solidity_types.ArrayType): | ||
| if isinstance(_type.type, solidity_types.ElementaryType): | ||
| _type = str(_type) | ||
| else: | ||
| _type = "user_defined_array" | ||
| elif isinstance(_type, Structure): | ||
| _type = str(_type) | ||
| elif isinstance(_type, Enum): | ||
| _type = str(_type) | ||
| elif isinstance(_type, solidity_types.MappingType): | ||
| _type = str(_type) | ||
| elif isinstance(_type, solidity_types.UserDefinedType): | ||
| if isinstance(_type.type, Contract): | ||
| _type = f"contract({_type.type.name})" | ||
| elif isinstance(_type.type, Structure): | ||
| _type = f"struct({_type.type.name})" | ||
| elif isinstance(_type.type, Enum): | ||
| _type = f"enum({_type.type.name})" | ||
| else: | ||
| _type = str(_type) | ||
|
|
||
| _type = _type.replace(" memory", "") | ||
| _type = _type.replace(" storage ref", "") | ||
|
|
||
| if "struct" in _type: | ||
| return "struct" | ||
| if "enum" in _type: | ||
| return "enum" | ||
| if "tuple" in _type: | ||
| return "tuple" | ||
| if "contract" in _type: | ||
| return "contract" | ||
| if "mapping" in _type: | ||
| return "mapping" | ||
| return _type.replace(" ", "_") | ||
|
|
||
|
|
||
| # pylint: disable=too-many-branches | ||
| def encode_var_for_compare(var: Union[variables.Variable, SolidityVariable]) -> str: | ||
|
|
||
| # variables | ||
| if isinstance(var, SlitherIRVariable.Constant): | ||
| return f"constant({ntype(var.type)},{var.value})" | ||
| if isinstance(var, SolidityVariableComposed): | ||
| return f"solidity_variable_composed({var.name})" | ||
| if isinstance(var, SolidityVariable): | ||
| return f"solidity_variable{var.name}" | ||
| if isinstance(var, SlitherIRVariable.TemporaryVariable): | ||
| return "temporary_variable" | ||
| if isinstance(var, SlitherIRVariable.ReferenceVariable): | ||
| return f"reference({ntype(var.type)})" | ||
| if isinstance(var, variables.LocalVariable): | ||
| return f"local_solc_variable({ntype(var.type)},{var.location})" | ||
| if isinstance(var, variables.StateVariable): | ||
| if not (var.is_constant or var.is_immutable): | ||
| try: | ||
| slot, _ = var.contract.compilation_unit.storage_layout_of(var.contract, var) | ||
| except KeyError: | ||
| slot = var.name | ||
| else: | ||
| slot = var.name | ||
| return f"state_solc_variable({ntype(var.type)},{slot})" | ||
| if isinstance(var, variables.LocalVariableInitFromTuple): | ||
| return "local_variable_init_tuple" | ||
| if isinstance(var, SlitherIRVariable.TupleVariable): | ||
| return "tuple_variable" | ||
|
|
||
| # default | ||
| return "" | ||
|
|
||
|
|
||
| # pylint: disable=too-many-branches | ||
| def encode_ir_for_upgradeability_compare(ir: operations.Operation) -> str: | ||
| # operations | ||
| if isinstance(ir, operations.Assignment): | ||
| return f"({encode_var_for_compare(ir.lvalue)}):=({encode_var_for_compare(ir.rvalue)})" | ||
| if isinstance(ir, operations.Index): | ||
| return f"index({ntype(ir.variable_right.type)})" | ||
| if isinstance(ir, operations.Member): | ||
| return "member" # .format(ntype(ir._type)) | ||
| if isinstance(ir, operations.Length): | ||
| return "length" | ||
| if isinstance(ir, operations.Binary): | ||
| return f"binary({encode_var_for_compare(ir.variable_left)}{ir.type}{encode_var_for_compare(ir.variable_right)})" | ||
| if isinstance(ir, operations.Unary): | ||
| return f"unary({str(ir.type)})" | ||
| if isinstance(ir, operations.Condition): | ||
| return f"condition({encode_var_for_compare(ir.value)})" | ||
| if isinstance(ir, operations.NewStructure): | ||
| return "new_structure" | ||
| if isinstance(ir, operations.NewContract): | ||
| return "new_contract" | ||
| if isinstance(ir, operations.NewArray): | ||
| return f"new_array({ntype(ir.array_type)})" | ||
| if isinstance(ir, operations.NewElementaryType): | ||
| return f"new_elementary({ntype(ir.type)})" | ||
| if isinstance(ir, operations.Delete): | ||
| return f"delete({encode_var_for_compare(ir.lvalue)},{encode_var_for_compare(ir.variable)})" | ||
| if isinstance(ir, operations.SolidityCall): | ||
| return f"solidity_call({ir.function.full_name})" | ||
| if isinstance(ir, operations.InternalCall): | ||
| return f"internal_call({ntype(ir.type_call)})" | ||
| if isinstance(ir, operations.EventCall): # is this useful? | ||
| return "event" | ||
| if isinstance(ir, operations.LibraryCall): | ||
| return "library_call" | ||
| if isinstance(ir, operations.InternalDynamicCall): | ||
| return "internal_dynamic_call" | ||
| if isinstance(ir, operations.HighLevelCall): # TODO: improve | ||
| return "high_level_call" | ||
| if isinstance(ir, operations.LowLevelCall): # TODO: improve | ||
| return "low_level_call" | ||
| if isinstance(ir, operations.TypeConversion): | ||
| return f"type_conversion({ntype(ir.type)})" | ||
| if isinstance(ir, operations.Return): # this can be improved using values | ||
| return "return" # .format(ntype(ir.type)) | ||
| if isinstance(ir, operations.Transfer): | ||
| return f"transfer({encode_var_for_compare(ir.call_value)})" | ||
| if isinstance(ir, operations.Send): | ||
| return f"send({encode_var_for_compare(ir.call_value)})" | ||
| if isinstance(ir, operations.Unpack): # TODO: improve | ||
| return "unpack" | ||
| if isinstance(ir, operations.InitArray): # TODO: improve | ||
| return "init_array" | ||
|
|
||
| # default | ||
| return "" | ||
|
|
||
|
|
||
| def encode_ir_for_halstead(ir: operations.Operation) -> str: | ||
| # operations | ||
| if isinstance(ir, operations.Assignment): | ||
| return "assignment" | ||
| if isinstance(ir, operations.Index): | ||
| return "index" | ||
| if isinstance(ir, operations.Member): | ||
| return "member" # .format(ntype(ir._type)) | ||
| if isinstance(ir, operations.Length): | ||
| return "length" | ||
| if isinstance(ir, operations.Binary): | ||
| return f"binary({str(ir.type)})" | ||
| if isinstance(ir, operations.Unary): | ||
| return f"unary({str(ir.type)})" | ||
| if isinstance(ir, operations.Condition): | ||
| return f"condition({encode_var_for_compare(ir.value)})" | ||
| if isinstance(ir, operations.NewStructure): | ||
| return "new_structure" | ||
| if isinstance(ir, operations.NewContract): | ||
| return "new_contract" | ||
| if isinstance(ir, operations.NewArray): | ||
| return f"new_array({ntype(ir.array_type)})" | ||
| if isinstance(ir, operations.NewElementaryType): | ||
| return f"new_elementary({ntype(ir.type)})" | ||
| if isinstance(ir, operations.Delete): | ||
| return "delete" | ||
| if isinstance(ir, operations.SolidityCall): | ||
| return f"solidity_call({ir.function.full_name})" | ||
| if isinstance(ir, operations.InternalCall): | ||
| return f"internal_call({ntype(ir.type_call)})" | ||
| if isinstance(ir, operations.EventCall): # is this useful? | ||
| return "event" | ||
| if isinstance(ir, operations.LibraryCall): | ||
| return "library_call" | ||
| if isinstance(ir, operations.InternalDynamicCall): | ||
| return "internal_dynamic_call" | ||
| if isinstance(ir, operations.HighLevelCall): # TODO: improve | ||
| return "high_level_call" | ||
| if isinstance(ir, operations.LowLevelCall): # TODO: improve | ||
| return "low_level_call" | ||
| if isinstance(ir, operations.TypeConversion): | ||
| return f"type_conversion({ntype(ir.type)})" | ||
| if isinstance(ir, operations.Return): # this can be improved using values | ||
| return "return" # .format(ntype(ir.type)) | ||
| if isinstance(ir, operations.Transfer): | ||
| return "transfer" | ||
| if isinstance(ir, operations.Send): | ||
| return "send" | ||
| if isinstance(ir, operations.Unpack): # TODO: improve | ||
| return "unpack" | ||
| if isinstance(ir, operations.InitArray): # TODO: improve | ||
| return "init_array" | ||
| # default | ||
| raise NotImplementedError(f"encode_ir_for_halstead: {ir}") |
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