Esempio n. 1
0
    def parse_Call(self):
        from vyper.functions import DISPATCH_TABLE

        if isinstance(self.expr.func, vy_ast.Name):
            function_name = self.expr.func.id

            if function_name in DISPATCH_TABLE:
                return DISPATCH_TABLE[function_name].build_LLL(
                    self.expr, self.context)

            # Struct constructors do not need `self` prefix.
            elif function_name in self.context.structs:
                args = self.expr.args
                if len(args) == 1 and isinstance(args[0], vy_ast.Dict):
                    return Expr.struct_literals(args[0], function_name,
                                                self.context)

            # Interface assignment. Bar(<address>).
            elif function_name in self.context.sigs:
                ret, arg_lll = self._is_valid_interface_assign()
                if ret is True:
                    arg_lll.typ = InterfaceType(
                        function_name)  # Cast to Correct interface type.
                    return arg_lll
        elif (isinstance(self.expr.func, vy_ast.Attribute)
              and isinstance(self.expr.func.value, vy_ast.Name)
              and self.expr.func.value.id == "self"):  # noqa: E501
            return self_call.make_call(self.expr, self.context)
        else:
            return external_call.make_external_call(self.expr, self.context)
Esempio n. 2
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    def call(self):
        from vyper.functions import (
            dispatch_table,
        )

        if isinstance(self.expr.func, ast.Name):
            function_name = self.expr.func.id

            if function_name in dispatch_table:
                return dispatch_table[function_name](self.expr, self.context)

            # Struct constructors do not need `self` prefix.
            elif function_name in self.context.structs:
                args = self.expr.args
                if len(args) != 1:
                    raise StructureException("Struct constructor is called with one argument only", self.expr)

                arg = args[0]
                if not isinstance(arg, ast.Dict):
                    raise TypeMismatchException("Struct can only be constructed with a dict", self.expr)
                return Expr.struct_literals(arg, function_name, self.context)

            else:
                err_msg = "Not a top-level function: {}".format(function_name)
                if function_name in [x.split('(')[0] for x, _ in self.context.sigs['self'].items()]:
                    err_msg += ". Did you mean self.{}?".format(function_name)
                raise StructureException(err_msg, self.expr)
        elif isinstance(self.expr.func, ast.Attribute) and isinstance(self.expr.func.value, ast.Name) and self.expr.func.value.id == "self":
            return self_call.make_call(self.expr, self.context)
        else:
            return external_call.make_external_call(self.expr, self.context)
Esempio n. 3
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    def call(self):
        from vyper.functions import (
            DISPATCH_TABLE, )

        if isinstance(self.expr.func, vy_ast.Name):
            function_name = self.expr.func.id

            if function_name in DISPATCH_TABLE:
                return DISPATCH_TABLE[function_name].build_LLL(
                    self.expr, self.context)

            # Struct constructors do not need `self` prefix.
            elif function_name in self.context.structs:
                args = self.expr.args
                if len(args) != 1:
                    raise StructureException(
                        "Struct constructor is called with one argument only",
                        self.expr,
                    )

                arg = args[0]
                if not isinstance(arg, vy_ast.Dict):
                    raise TypeMismatch(
                        "Struct can only be constructed with a dict",
                        self.expr,
                    )
                return Expr.struct_literals(arg, function_name, self.context)

            # Contract assignment. Bar(<address>).
            elif function_name in self.context.sigs:
                ret, arg_lll = self._is_valid_contract_assign()
                if ret is True:
                    arg_lll.typ = ContractType(
                        function_name)  # Cast to Correct contract type.
                    return arg_lll
                else:
                    raise TypeMismatch(
                        "ContractType definition expects one address argument.",
                        self.expr,
                    )
            else:
                err_msg = f"Not a top-level function: {function_name}"
                if function_name in [
                        x.split('(')[0]
                        for x, _ in self.context.sigs['self'].items()
                ]:
                    err_msg += f". Did you mean self.{function_name}?"
                raise StructureException(err_msg, self.expr)
        elif isinstance(self.expr.func, vy_ast.Attribute) and isinstance(
                self.expr.func.value, vy_ast.Name
        ) and self.expr.func.value.id == "self":  # noqa: E501
            return self_call.make_call(self.expr, self.context)
        else:
            return external_call.make_external_call(self.expr, self.context)
Esempio n. 4
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    def parse_Call(self):
        is_self_function = ((isinstance(self.stmt.func, vy_ast.Attribute))
                            and isinstance(self.stmt.func.value, vy_ast.Name)
                            and self.stmt.func.value.id == "self")

        if isinstance(self.stmt.func, vy_ast.Name):
            funcname = self.stmt.func.id
            return STMT_DISPATCH_TABLE[funcname].build_LLL(
                self.stmt, self.context)
        elif is_self_function:
            return self_call.make_call(self.stmt, self.context)
        else:
            return external_call.make_external_call(self.stmt, self.context)
Esempio n. 5
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    def call(self):
        from .parser import (
            pack_logging_data,
            pack_logging_topics,
        )

        if isinstance(self.stmt.func, ast.Name):
            if self.stmt.func.id in stmt_dispatch_table:
                if self.stmt.func.id == 'clear':
                    return self._clear()
                else:
                    return stmt_dispatch_table[self.stmt.func.id](self.stmt, self.context)
            elif self.stmt.func.id in dispatch_table:
                raise StructureException("Function {} can not be called without being used.".format(self.stmt.func.id), self.stmt)
            else:
                raise StructureException("Unknown function: '{}'.".format(self.stmt.func.id), self.stmt)

        elif isinstance(self.stmt.func, ast.Attribute) and isinstance(self.stmt.func.value, ast.Name) and self.stmt.func.value.id == "self":
            return self_call.make_call(self.stmt, self.context)
        elif isinstance(self.stmt.func, ast.Attribute) and isinstance(self.stmt.func.value, ast.Name) and self.stmt.func.value.id == 'log':
            if self.stmt.func.attr not in self.context.sigs['self']:
                raise EventDeclarationException("Event not declared yet: %s" % self.stmt.func.attr)
            event = self.context.sigs['self'][self.stmt.func.attr]
            if len(event.indexed_list) != len(self.stmt.args):
                raise EventDeclarationException("%s received %s arguments but expected %s" % (event.name, len(self.stmt.args), len(event.indexed_list)))
            expected_topics, topics = [], []
            expected_data, data = [], []
            for pos, is_indexed in enumerate(event.indexed_list):
                if is_indexed:
                    expected_topics.append(event.args[pos])
                    topics.append(self.stmt.args[pos])
                else:
                    expected_data.append(event.args[pos])
                    data.append(self.stmt.args[pos])
            topics = pack_logging_topics(event.event_id, topics, expected_topics, self.context, pos=getpos(self.stmt))
            inargs, inargsize, inargsize_node, inarg_start = pack_logging_data(expected_data, data, self.context, pos=getpos(self.stmt))

            if inargsize_node is None:
                sz = inargsize
            else:
                sz = ['mload', inargsize_node]

            return LLLnode.from_list(['seq', inargs,
                LLLnode.from_list(["log" + str(len(topics)), inarg_start, sz] + topics, add_gas_estimate=inargsize * 10)], typ=None, pos=getpos(self.stmt))
        else:
            return external_call.make_external_call(self.stmt, self.context)
Esempio n. 6
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    def call(self):
        is_self_function = (isinstance(
            self.stmt.func, ast.Attribute)) and isinstance(
                self.stmt.func.value,
                ast.Name) and self.stmt.func.value.id == "self"

        is_log_call = (isinstance(
            self.stmt.func, ast.Attribute)) and isinstance(
                self.stmt.func.value,
                ast.Name) and self.stmt.func.value.id == 'log'

        if isinstance(self.stmt.func, ast.Name):
            if self.stmt.func.id in STMT_DISPATCH_TABLE:
                if self.stmt.func.id == 'clear':
                    return self._clear()
                else:
                    return STMT_DISPATCH_TABLE[self.stmt.func.id](self.stmt,
                                                                  self.context)
            elif self.stmt.func.id in DISPATCH_TABLE:
                raise StructureException(
                    f"Function {self.stmt.func.id} can not be called without being used.",
                    self.stmt,
                )
            else:
                raise StructureException(
                    f"Unknown function: '{self.stmt.func.id}'.",
                    self.stmt,
                )
        elif is_self_function:
            return self_call.make_call(self.stmt, self.context)
        elif is_log_call:
            if self.stmt.func.attr not in self.context.sigs['self']:
                raise EventDeclarationException(
                    f"Event not declared yet: {self.stmt.func.attr}")
            event = self.context.sigs['self'][self.stmt.func.attr]
            if len(event.indexed_list) != len(self.stmt.args):
                raise EventDeclarationException(
                    f"{event.name} received {len(self.stmt.args)} arguments but "
                    f"expected {len(event.indexed_list)}")
            expected_topics, topics = [], []
            expected_data, data = [], []
            for pos, is_indexed in enumerate(event.indexed_list):
                if is_indexed:
                    expected_topics.append(event.args[pos])
                    topics.append(self.stmt.args[pos])
                else:
                    expected_data.append(event.args[pos])
                    data.append(self.stmt.args[pos])
            topics = pack_logging_topics(
                event.event_id,
                topics,
                expected_topics,
                self.context,
                pos=getpos(self.stmt),
            )
            inargs, inargsize, inargsize_node, inarg_start = pack_logging_data(
                expected_data,
                data,
                self.context,
                pos=getpos(self.stmt),
            )

            if inargsize_node is None:
                sz = inargsize
            else:
                sz = ['mload', inargsize_node]

            return LLLnode.from_list([
                'seq', inargs,
                LLLnode.from_list(
                    ["log" + str(len(topics)), inarg_start, sz] + topics,
                    add_gas_estimate=inargsize * 10,
                )
            ],
                                     typ=None,
                                     pos=getpos(self.stmt))
        else:
            return external_call.make_external_call(self.stmt, self.context)
Esempio n. 7
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    def call(self):
        from vyper.functions import (
            dispatch_table, )

        if isinstance(self.expr.func, ast.Name):
            function_name = self.expr.func.id

            if function_name in dispatch_table:
                return dispatch_table[function_name](self.expr, self.context)

            # Struct constructors do not need `self` prefix.
            elif function_name in self.context.structs:
                if not self.context.in_assignment:
                    raise StructureException(
                        "Struct constructor must be called in RHS of assignment.",
                        self.expr)
                args = self.expr.args
                if len(args) != 1:
                    raise StructureException(
                        "Struct constructor is called with one argument only",
                        self.expr)

                arg = args[0]
                if not isinstance(arg, ast.Dict):
                    raise TypeMismatchException(
                        "Struct can only be constructed with a dict",
                        self.expr)
                sub = Expr.struct_literals(arg, self.context)
                if sub.typ.name is not None:
                    raise TypeMismatchException(
                        "Struct can only be constructed with a dict",
                        self.expr)

                typ = StructType(sub.typ.members, function_name)

                # OR:
                # sub.typ = typ
                # return sub
                return LLLnode(sub.value,
                               typ=typ,
                               args=sub.args,
                               location=sub.location,
                               pos=getpos(self.expr),
                               add_gas_estimate=sub.add_gas_estimate,
                               valency=sub.valency,
                               annotation=function_name)

            else:
                err_msg = "Not a top-level function: {}".format(function_name)
                if function_name in [
                        x.split('(')[0]
                        for x, _ in self.context.sigs['self'].items()
                ]:
                    err_msg += ". Did you mean self.{}?".format(function_name)
                raise StructureException(err_msg, self.expr)
        elif isinstance(self.expr.func, ast.Attribute) and isinstance(
                self.expr.func.value,
                ast.Name) and self.expr.func.value.id == "self":
            return self_call.make_call(self.expr, self.context)
        else:
            return external_call.make_external_call(self.expr, self.context)