def wrapSuperBuiltin(type_arg, object_arg, source_ref):
        if type_arg is None and python_version >= 300:
            type_arg = ExpressionVariableRef(variable_name="__class__",
                                             source_ref=source_ref)

            # Ought to be already closure taken.
            type_arg.setVariable(
                provider.getVariableForReference(variable_name="__class__"))

            # If we already have this as a local variable, then use that
            # instead.
            type_arg_owner = type_arg.getVariable().getOwner()
            if type_arg_owner is provider or \
            not (type_arg_owner.isExpressionFunctionBody() or \
                 type_arg_owner.isExpressionClassBody()):
                type_arg = None

            if type_arg is None:
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="SystemError"
                    if python_version < 331 else "RuntimeError",
                    exception_value="super(): __class__ cell not found",
                )

            if object_arg is None:
                if provider.isExpressionGeneratorObjectBody() or \
                   provider.isExpressionCoroutineObjectBody() or \
                   provider.isExpressionAsyncgenObjectBody():
                    parameter_provider = provider.getParentVariableProvider()
                else:
                    parameter_provider = provider

                if parameter_provider.getParameters().getArgumentCount() > 0:
                    par1_name = parameter_provider.getParameters(
                    ).getArgumentNames()[0]

                    object_arg = ExpressionVariableRef(variable_name=par1_name,
                                                       source_ref=source_ref)

                    object_arg.setVariable(
                        provider.getVariableForReference(
                            variable_name=par1_name))

                    if not object_arg.getVariable().isParameterVariable():
                        return makeRaiseExceptionReplacementExpression(
                            expression=node,
                            exception_type="SystemError"
                            if python_version < 330 else "RuntimeError",
                            exception_value="super(): __class__ cell not found",
                        )
                else:
                    return makeRaiseExceptionReplacementExpression(
                        expression=node,
                        exception_type="RuntimeError",
                        exception_value="super(): no arguments")

        return ExpressionBuiltinSuper(super_type=type_arg,
                                      super_object=object_arg,
                                      source_ref=source_ref)
示例#2
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    def wrapSuperBuiltin( type, object, source_ref ):
        if type is None and python_version >= 300:
            provider = node.getParentVariableProvider()

            type = ExpressionVariableRef(
                variable_name = "__class__",
                source_ref    = source_ref
            )

            # Ought to be already closure taken.
            type.setVariable(
                provider.getVariableForReference(
                    variable_name = "__class__"
                )
            )

            from nuitka.nodes.NodeMakingHelpers import makeRaiseExceptionReplacementExpression

            if not type.getVariable().isClosureReference():
                return makeRaiseExceptionReplacementExpression(
                    expression      = node,
                    exception_type  = "SystemError"
                                        if python_version < 331 else
                                      "RuntimeError",
                    exception_value = "super(): __class__ cell not found",
                )

            if object is None and provider.getParameters().getArgumentCount() > 0:
                par1_name = provider.getParameters().getArgumentNames()[0]
                # TODO: Nested first argument would kill us here, need a test
                # for that.

                object = ExpressionVariableRef(
                    variable_name = par1_name,
                    source_ref    = source_ref
                )

                object.setVariable(
                    node.getParentVariableProvider().getVariableForReference(
                        variable_name = par1_name
                    )
                )

                if not object.getVariable().isParameterVariable():
                    return makeRaiseExceptionReplacementExpression(
                        expression      = node,
                        exception_type  = "SystemError"
                                            if python_version < 330 else
                                          "RuntimeError",
                        exception_value = "super(): __class__ cell not found",
                    )


        return ExpressionBuiltinSuper(
            super_type   = type,
            super_object = object,
            source_ref   = source_ref
        )
示例#3
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    def wrapSuperBuiltin(type_arg, object_arg, source_ref):
        if type_arg is None and python_version >= 300:
            provider = node.getParentVariableProvider()

            if python_version < 340 or True:  # TODO: Temporarily reverted:
                type_arg = ExpressionVariableRef(variable_name="__class__", source_ref=source_ref)

                # Ought to be already closure taken.
                type_arg.setVariable(provider.getVariableForClosure(variable_name="__class__"))

                # If we already have this as a local variable, then use that
                # instead.
                if type_arg.getVariable().getOwner() is provider:
                    type_arg = None
                else:
                    addVariableUsage(type_arg.getVariable(), provider)
            else:
                parent_provider = provider.getParentVariableProvider()

                class_var = parent_provider.getTempVariable(temp_scope=None, name="__class__")

                type_arg = ExpressionTempVariableRef(variable=class_var, source_ref=source_ref)
                addVariableUsage(type_arg.getVariable(), provider)

            if type_arg is None:
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="SystemError" if python_version < 331 else "RuntimeError",
                    exception_value="super(): __class__ cell not found",
                )

            if object_arg is None:
                if provider.getParameters().getArgumentCount() > 0:
                    par1_name = provider.getParameters().getArgumentNames()[0]
                    # TODO: Nested first argument would kill us here, need a
                    # test for that.

                    object_arg = ExpressionVariableRef(variable_name=par1_name, source_ref=source_ref)

                    object_arg.setVariable(provider.getVariableForReference(variable_name=par1_name))

                    if not object_arg.getVariable().isParameterVariable():
                        return makeRaiseExceptionReplacementExpression(
                            expression=node,
                            exception_type="SystemError" if python_version < 330 else "RuntimeError",
                            exception_value="super(): __class__ cell not found",
                        )
                else:
                    return makeRaiseExceptionReplacementExpression(
                        expression=node, exception_type="RuntimeError", exception_value="super(): no arguments"
                    )

        return ExpressionBuiltinSuper(super_type=type_arg, super_object=object_arg, source_ref=source_ref)
示例#4
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    def wrapSuperBuiltin(type, object, source_ref):
        if type is None and python_version >= 300:
            provider = node.getParentVariableProvider()

            type = ExpressionVariableRef(variable_name="__class__",
                                         source_ref=source_ref)

            # Ought to be already closure taken.
            type.setVariable(
                provider.getVariableForReference(variable_name="__class__"))

            from nuitka.nodes.NodeMakingHelpers import makeRaiseExceptionReplacementExpression

            if not type.getVariable().isClosureReference():
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="SystemError"
                    if python_version < 331 else "RuntimeError",
                    exception_value="super(): __class__ cell not found",
                )

            if object is None and provider.getParameters().getArgumentCount(
            ) > 0:
                par1_name = provider.getParameters().getArgumentNames()[0]
                # TODO: Nested first argument would kill us here, need a test
                # for that.

                object = ExpressionVariableRef(variable_name=par1_name,
                                               source_ref=source_ref)

                object.setVariable(
                    node.getParentVariableProvider().getVariableForReference(
                        variable_name=par1_name))

                if not object.getVariable().isParameterVariable():
                    return makeRaiseExceptionReplacementExpression(
                        expression=node,
                        exception_type="SystemError"
                        if python_version < 330 else "RuntimeError",
                        exception_value="super(): __class__ cell not found",
                    )

        return ExpressionBuiltinSuper(super_type=type,
                                      super_object=object,
                                      source_ref=source_ref)
示例#5
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def computeBuiltinCall(call_node, called):
    builtin_name = called.getBuiltinName()

    if builtin_name in _dispatch_dict:
        new_node = _dispatch_dict[builtin_name](call_node)

        if new_node is None:
            return call_node, None, None

        inspect_node = new_node

        if inspect_node.isExpressionSideEffects():
            inspect_node = inspect_node.getExpression()

        if inspect_node.isExpressionBuiltinImport():
            tags = "new_import"
            message = "Replaced dynamic builtin import %s with static module import." % inspect_node.kind
        elif inspect_node.isExpressionBuiltin(
        ) or inspect_node.isStatementExec():
            tags = "new_builtin"
            message = "Replaced call to builtin with builtin call %s." % inspect_node.kind
        elif inspect_node.isExpressionRaiseException():
            tags = "new_raise"
            message = "Replaced call to builtin %s with exception raising call." % inspect_node.kind
        elif inspect_node.isExpressionOperationUnary():
            tags = "new_expression"
            message = "Replaced call to builtin %s with unary operation %s." % (
                inspect_node.kind, inspect_node.getOperator())
        else:
            assert False, (builtin_name, "->", inspect_node)

        # TODO: One day, this should be enabled by default and call either the original
        # built-in or the optimized above one. That should be done, once we can eliminate
        # the condition for most cases.
        if False and isDebug() and not shallMakeModule() and builtin_name:
            from nuitka.nodes.ConditionalNodes import ExpressionConditional
            from nuitka.nodes.ComparisonNodes import ExpressionComparisonIs
            from nuitka.nodes.BuiltinRefNodes import (
                ExpressionBuiltinExceptionRef,
                ExpressionBuiltinOriginalRef,
                ExpressionBuiltinRef,
            )
            from nuitka.nodes.ExceptionNodes import ExpressionRaiseException

            source_ref = called.getSourceReference()

            new_node = ExpressionConditional(
                condition=ExpressionComparisonIs(
                    left=ExpressionBuiltinRef(builtin_name=builtin_name,
                                              source_ref=source_ref),
                    right=ExpressionBuiltinOriginalRef(
                        builtin_name=builtin_name, source_ref=source_ref),
                    source_ref=source_ref),
                yes_expression=new_node,
                no_expression=makeRaiseExceptionReplacementExpression(
                    exception_type="RuntimeError",
                    exception_value="Builtin '%s' was overloaded'" %
                    builtin_name,
                    expression=call_node),
                source_ref=source_ref)

        return new_node, tags, message
    else:
        # TODO: Consider giving warnings, whitelisted potentially
        return call_node, None, None
示例#6
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def computeBuiltinCall(call_node, called):
    # There is some dispatching for how to output various types of changes,
    # with lots of cases, pylint: disable=R0912

    builtin_name = called.getBuiltinName()

    if builtin_name in _dispatch_dict:
        new_node = _dispatch_dict[builtin_name](call_node)

        # Lets just have this contract to return "None" when no change is meant
        # to be done.
        assert new_node is not call_node
        if new_node is None:
            return call_node, None, None

        # For traces, we are going to ignore side effects, and output traces
        # only based on the basis of it.
        inspect_node = new_node
        if inspect_node.isExpressionSideEffects():
            inspect_node = inspect_node.getExpression()

        if inspect_node.isExpressionBuiltinImport():
            tags = "new_import"
            message = """\
Replaced dynamic __import__ %s with static module import.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionBuiltin() or inspect_node.isStatementExec():
            tags = "new_builtin"
            message = "Replaced call to built-in '%s' with built-in call '%s'." % (builtin_name, inspect_node.kind)
        elif inspect_node.isExpressionRaiseException():
            tags = "new_raise"
            message = """\
Replaced call to built-in '%s' with exception raising call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionOperationUnary():
            tags = "new_expression"
            message = """\
Replaced call to built-in '%s' with unary operation '%s'.""" % (
                inspect_node.kind,
                inspect_node.getOperator(),
            )
        elif inspect_node.isExpressionCall():
            tags = "new_expression"
            message = """\
Replaced call to built-in '%s' with call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionOutlineBody():
            tags = "new_expression"
            message = (
                """\
Replaced call to built-in '%s' with outlined call."""
                % builtin_name
            )
        else:

            assert False, (builtin_name, "->", inspect_node)

        # TODO: One day, this should be enabled by default and call either the
        # original built-in or the optimized above one. That should be done,
        # once we can eliminate the condition for most cases.
        if False and isDebug() and not shallMakeModule() and builtin_name:
            source_ref = called.getSourceReference()

            new_node = ExpressionConditional(
                condition=ExpressionComparisonIs(
                    left=ExpressionBuiltinRef(builtin_name=builtin_name, source_ref=source_ref),
                    right=ExpressionBuiltinOriginalRef(builtin_name=builtin_name, source_ref=source_ref),
                    source_ref=source_ref,
                ),
                expression_yes=new_node,
                expression_no=makeRaiseExceptionReplacementExpression(
                    exception_type="RuntimeError",
                    exception_value="Built-in '%s' cannot be replaced." % (builtin_name),
                    expression=call_node,
                ),
                source_ref=source_ref,
            )

        assert tags != ""

        return new_node, tags, message
    else:
        if False and isDebug() and builtin_name not in _builtin_white_list:
            warning("Not handling built-in '%s', consider support." % builtin_name)

        return call_node, None, None
示例#7
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def computeBuiltinCall(call_node, called):
    builtin_name = called.getBuiltinName()

    if builtin_name in _dispatch_dict:
        new_node = _dispatch_dict[builtin_name](call_node)

        # Lets just have this contract to return "None" when no change is meant
        # to be done.
        assert new_node is not call_node
        if new_node is None:
            return call_node, None, None

        # For traces, we are going to ignore side effects, and output traces
        # only based on the basis of it.
        inspect_node = new_node
        if inspect_node.isExpressionSideEffects():
            inspect_node = inspect_node.getExpression()

        if inspect_node.isExpressionBuiltinImport():
            tags    = "new_import"
            message = """\
Replaced dynamic __import__ %s with static module import.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionBuiltin() or \
             inspect_node.isStatementExec():
            tags = "new_builtin"
            message = "Replaced call to builtin %s with builtin call %s." % (
                builtin_name,
                inspect_node.kind,
            )
        elif inspect_node.isExpressionRaiseException():
            tags = "new_raise"
            message = """\
Replaced call to builtin %s with exception raising call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionOperationUnary():
            tags = "new_expression"
            message = """\
Replaced call to builtin %s with unary operation %s.""" % (
                inspect_node.kind,
                inspect_node.getOperator()
            )
        elif inspect_node.isExpressionCall():
            tags = "new_expression"
            message = """\
Replaced call to builtin %s with call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionTryFinally():
            tags = "new_expression"
            message = """\
Replaced call to builtin %s with try/finally guarded call.""" % (
                inspect_node.getExpression().kind,
            )
        else:

            assert False, ( builtin_name, "->", inspect_node )

        # TODO: One day, this should be enabled by default and call either the
        # original built-in or the optimized above one. That should be done,
        # once we can eliminate the condition for most cases.
        if False and isDebug() and not shallMakeModule() and builtin_name:
            from nuitka.nodes.NodeMakingHelpers import \
              makeRaiseExceptionReplacementExpression

            source_ref = called.getSourceReference()

            new_node = ExpressionConditional(
                condition      = ExpressionComparisonIs(
                    left  = ExpressionBuiltinRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    right = ExpressionBuiltinOriginalRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    source_ref   = source_ref
                ),
                yes_expression = new_node,
                no_expression  = makeRaiseExceptionReplacementExpression(
                    exception_type  = "RuntimeError",
                    exception_value = "Builtin '%s' was overloaded'" % (
                        builtin_name
                    ),
                    expression      = call_node
                ),
                source_ref     = source_ref
            )

        assert tags != ""

        return new_node, tags, message
    else:
        # TODO: Consider giving warnings, whitelisted potentially
        return call_node, None, None
    def wrapSuperBuiltin(type_arg, object_arg, source_ref):
        if type_arg is None and python_version >= 300:
            if provider.isCompiledPythonModule():
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="RuntimeError",
                    exception_value="super(): no arguments",
                )

            class_variable = provider.getVariableForReference(
                variable_name="__class__")

            provider.trace_collection.getVariableCurrentTrace(
                class_variable).addUsage()

            type_arg = ExpressionVariableRef(
                # Ought to be already closure taken due to "super" flag in
                # tree building.
                variable=class_variable,
                source_ref=source_ref,
            )

            # If we already have this as a local variable, then use that
            # instead.
            type_arg_owner = type_arg.getVariable().getOwner()
            if type_arg_owner is provider or not (
                    type_arg_owner.isExpressionFunctionBody()
                    or type_arg_owner.isExpressionClassBody()):
                type_arg = None

            if type_arg is None:
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="SystemError"
                    if python_version < 331 else "RuntimeError",
                    exception_value="super(): __class__ cell not found",
                )

            if object_arg is None:
                if (provider.isExpressionGeneratorObjectBody()
                        or provider.isExpressionCoroutineObjectBody()
                        or provider.isExpressionAsyncgenObjectBody()):
                    parameter_provider = provider.getParentVariableProvider()
                else:
                    parameter_provider = provider

                if parameter_provider.getParameters().getArgumentCount() > 0:
                    par1_name = parameter_provider.getParameters(
                    ).getArgumentNames()[0]

                    object_variable = provider.getVariableForReference(
                        variable_name=par1_name)

                    provider.trace_collection.getVariableCurrentTrace(
                        object_variable).addUsage()

                    object_arg = ExpressionVariableRef(
                        variable=object_variable, source_ref=source_ref)

                    if not object_arg.getVariable().isParameterVariable():
                        return makeRaiseExceptionReplacementExpression(
                            expression=node,
                            exception_type="SystemError"
                            if python_version < 300 else "RuntimeError",
                            exception_value="super(): __class__ cell not found",
                        )
                else:
                    return makeRaiseExceptionReplacementExpression(
                        expression=node,
                        exception_type="RuntimeError",
                        exception_value="super(): no arguments",
                    )

        return ExpressionBuiltinSuper(super_type=type_arg,
                                      super_object=object_arg,
                                      source_ref=source_ref)
示例#9
0
    def wrapSuperBuiltin(type_arg, object_arg, source_ref):
        if type_arg is None and python_version >= 300:

            provider = node.getParentVariableProvider()

            type_arg = ExpressionVariableRef(
                variable_name = "__class__",
                source_ref    = source_ref
            )

            # Ought to be already closure taken.
            type_arg.setVariable(
                provider.getVariableForReference(
                    variable_name = "__class__"
                )
            )

            # If we already have this as a local variable, then use that
            # instead.
            type_arg_owner = type_arg.getVariable().getOwner()
            if type_arg_owner is provider or \
            not (type_arg_owner.isExpressionFunctionBody() or \
                 type_arg_owner.isExpressionClassBody()):
                type_arg = None
            else:
                addVariableUsage(type_arg.getVariable(), provider)

            if type_arg is None:
                return makeRaiseExceptionReplacementExpression(
                    expression      = node,
                    exception_type  = "SystemError"
                                        if python_version < 331 else
                                      "RuntimeError",
                    exception_value = "super(): __class__ cell not found",
                )

            if object_arg is None:
                if provider.isExpressionGeneratorObjectBody():
                    parameter_provider = provider.getParentVariableProvider()
                else:
                    parameter_provider = provider

                if parameter_provider.getParameters().getArgumentCount() > 0:
                    par1_name = parameter_provider.getParameters().getArgumentNames()[0]

                    object_arg = ExpressionVariableRef(
                        variable_name = par1_name,
                        source_ref    = source_ref
                    )

                    object_arg.setVariable(
                        provider.getVariableForReference(
                            variable_name = par1_name
                        )
                    )

                    if not object_arg.getVariable().isParameterVariable():
                        return makeRaiseExceptionReplacementExpression(
                            expression      = node,
                            exception_type  = "SystemError"
                                                if python_version < 330 else
                                              "RuntimeError",
                            exception_value = "super(): __class__ cell not found",
                        )
                else:
                    return makeRaiseExceptionReplacementExpression(
                        expression      = node,
                        exception_type  = "RuntimeError",
                        exception_value = "super(): no arguments"
                    )

        return ExpressionBuiltinSuper(
            super_type   = type_arg,
            super_object = object_arg,
            source_ref   = source_ref
        )
示例#10
0
def computeBuiltinCall(call_node, called):
    # There is some dispatching for how to output various types of changes,
    # with lots of cases, pylint: disable=R0912

    builtin_name = called.getBuiltinName()

    if builtin_name in _dispatch_dict:
        new_node = _dispatch_dict[builtin_name](call_node)

        # Lets just have this contract to return "None" when no change is meant
        # to be done.
        assert new_node is not call_node
        if new_node is None:
            return call_node, None, None

        # For traces, we are going to ignore side effects, and output traces
        # only based on the basis of it.
        inspect_node = new_node
        if inspect_node.isExpressionSideEffects():
            inspect_node = inspect_node.getExpression()

        if inspect_node.isExpressionBuiltinImport():
            tags    = "new_import"
            message = """\
Replaced dynamic __import__ %s with static module import.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionBuiltin() or \
             inspect_node.isStatementExec():
            tags = "new_builtin"
            message = "Replaced call to built-in '%s' with built-in call '%s'." % (
                builtin_name,
                inspect_node.kind,
            )
        elif inspect_node.isExpressionRaiseException():
            tags = "new_raise"
            message = """\
Replaced call to built-in '%s' with exception raising call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionOperationUnary():
            tags = "new_expression"
            message = """\
Replaced call to built-in '%s' with unary operation '%s'.""" % (
                inspect_node.kind,
                inspect_node.getOperator()
            )
        elif inspect_node.isExpressionCall():
            tags = "new_expression"
            message = """\
Replaced call to built-in '%s' with call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionOutlineBody():
            tags = "new_expression"
            message = """\
Replaced call to built-in '%s' with outlined call.""" % builtin_name
        else:

            assert False, (builtin_name, "->", inspect_node)

        # TODO: One day, this should be enabled by default and call either the
        # original built-in or the optimized above one. That should be done,
        # once we can eliminate the condition for most cases.
        if False and isDebug() and not shallMakeModule() and builtin_name:
            source_ref = called.getSourceReference()

            new_node = ExpressionConditional(
                condition      = ExpressionComparisonIs(
                    left       = ExpressionBuiltinRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    right      = ExpressionBuiltinOriginalRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    source_ref = source_ref
                ),
                expression_yes = new_node,
                expression_no  = makeRaiseExceptionReplacementExpression(
                    exception_type  = "RuntimeError",
                    exception_value = "Built-in '%s' cannot be replaced." % (
                        builtin_name
                    ),
                    expression      = call_node
                ),
                source_ref     = source_ref
            )

        assert tags != ""

        return new_node, tags, message
    else:
        if False and isDebug() and builtin_name not in _builtin_white_list:
            warning(
                "Not handling built-in '%s', consider support." % builtin_name
            )

        return call_node, None, None
示例#11
0
    def wrapSuperBuiltin(type_arg, object_arg, source_ref):
        if type_arg is None and python_version >= 300:
            if provider.isCompiledPythonModule():
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="RuntimeError",
                    exception_value="super(): no arguments",
                )

            class_variable = provider.getVariableForReference(variable_name="__class__")

            provider.trace_collection.getVariableCurrentTrace(class_variable).addUsage()

            type_arg = ExpressionVariableRef(
                # Ought to be already closure taken due to "super" flag in
                # tree building.
                variable=class_variable,
                source_ref=source_ref,
            )

            # If we already have this as a local variable, then use that
            # instead.
            type_arg_owner = type_arg.getVariable().getOwner()
            if type_arg_owner is provider or not (
                type_arg_owner.isExpressionFunctionBody()
                or type_arg_owner.isExpressionClassBody()
            ):
                type_arg = None

            if type_arg is None:
                return makeRaiseExceptionReplacementExpression(
                    expression=node,
                    exception_type="SystemError"
                    if python_version < 331
                    else "RuntimeError",
                    exception_value="super(): __class__ cell not found",
                )

            if object_arg is None:
                if (
                    provider.isExpressionGeneratorObjectBody()
                    or provider.isExpressionCoroutineObjectBody()
                    or provider.isExpressionAsyncgenObjectBody()
                ):
                    parameter_provider = provider.getParentVariableProvider()
                else:
                    parameter_provider = provider

                if parameter_provider.getParameters().getArgumentCount() > 0:
                    par1_name = parameter_provider.getParameters().getArgumentNames()[0]

                    object_variable = provider.getVariableForReference(
                        variable_name=par1_name
                    )

                    provider.trace_collection.getVariableCurrentTrace(
                        object_variable
                    ).addUsage()

                    object_arg = ExpressionVariableRef(
                        variable=object_variable, source_ref=source_ref
                    )

                    if not object_arg.getVariable().isParameterVariable():
                        return makeRaiseExceptionReplacementExpression(
                            expression=node,
                            exception_type="SystemError"
                            if python_version < 300
                            else "RuntimeError",
                            exception_value="super(): __class__ cell not found",
                        )
                else:
                    return makeRaiseExceptionReplacementExpression(
                        expression=node,
                        exception_type="RuntimeError",
                        exception_value="super(): no arguments",
                    )

        return ExpressionBuiltinSuper(
            super_type=type_arg, super_object=object_arg, source_ref=source_ref
        )
示例#12
0
def computeBuiltinCall(call_node, called):
    builtin_name = called.getBuiltinName()

    if builtin_name in _dispatch_dict:
        new_node = _dispatch_dict[builtin_name](call_node)

        # Lets just have this contract to return "None" when no change is meant
        # to be done.
        assert new_node is not call_node
        if new_node is None:
            return call_node, None, None

        # For traces, we are going to ignore side effects, and output traces
        # only based on the basis of it.
        inspect_node = new_node
        if inspect_node.isExpressionSideEffects():
            inspect_node = inspect_node.getExpression()

        if inspect_node.isExpressionBuiltinImport():
            tags    = "new_import"
            message = """\
Replaced dynamic __import__ %s with static module import.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionBuiltin() or \
             inspect_node.isStatementExec():
            tags = "new_builtin"
            message = "Replaced call to builtin %s with builtin call %s." % (
                builtin_name,
                inspect_node.kind,
            )
        elif inspect_node.isExpressionRaiseException():
            tags = "new_raise"
            message = """\
Replaced call to builtin %s with exception raising call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionOperationUnary():
            tags = "new_expression"
            message = """\
Replaced call to builtin %s with unary operation %s.""" % (
                inspect_node.kind,
                inspect_node.getOperator()
            )
        elif inspect_node.isExpressionCall():
            tags = "new_expression"
            message = """\
Replaced call to builtin %s with call.""" % (
                inspect_node.kind,
            )
        elif inspect_node.isExpressionTryFinally():
            tags = "new_expression"
            message = """\
Replaced call to builtin %s with try/finally guarded call.""" % (
                inspect_node.getExpression().kind,
            )
        else:

            assert False, ( builtin_name, "->", inspect_node )

        # TODO: One day, this should be enabled by default and call either the
        # original built-in or the optimized above one. That should be done,
        # once we can eliminate the condition for most cases.
        if False and isDebug() and not shallMakeModule() and builtin_name:
            from nuitka.nodes.NodeMakingHelpers import \
              makeRaiseExceptionReplacementExpression

            source_ref = called.getSourceReference()

            new_node = ExpressionConditional(
                condition      = ExpressionComparisonIs(
                    left  = ExpressionBuiltinRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    right = ExpressionBuiltinOriginalRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    source_ref   = source_ref
                ),
                yes_expression = new_node,
                no_expression  = makeRaiseExceptionReplacementExpression(
                    exception_type  = "RuntimeError",
                    exception_value = "Builtin '%s' was overloaded'" % (
                        builtin_name
                    ),
                    expression      = call_node
                ),
                source_ref     = source_ref
            )

        assert tags != ""

        return new_node, tags, message
    else:
        # TODO: Consider giving warnings, whitelisted potentially
        return call_node, None, None
示例#13
0
    def wrapSuperBuiltin(type, object, source_ref):
        if type is None and python_version >= 300:
            provider = node.getParentVariableProvider()

            if python_version < 340 or True: # TODO: Temporarily reverted:
                type = ExpressionVariableRef(
                    variable_name = "__class__",
                    source_ref    = source_ref
                )

                # Ought to be already closure taken.
                type.setVariable(
                    provider.getVariableForClosure(
                        variable_name = "__class__"
                    )
                )

                # If we already have this as a local variable, then use that
                # instead.
                if not type.getVariable().isClosureReference():
                    type = None
                else:
                    from nuitka.VariableRegistry import addVariableUsage
                    addVariableUsage(type.getVariable(), provider)
            else:
                parent_provider = provider.getParentVariableProvider()

                class_var = parent_provider.getTempVariable(
                    temp_scope = None,
                    name       = "__class__"
                )

                type = ExpressionTempVariableRef(
                    variable      = class_var.makeReference(parent_provider).makeReference(provider),
                    source_ref    = source_ref
                )

                from nuitka.VariableRegistry import addVariableUsage
                addVariableUsage(type.getVariable(), provider)

            from nuitka.nodes.NodeMakingHelpers import \
                makeRaiseExceptionReplacementExpression

            if type is None:
                return makeRaiseExceptionReplacementExpression(
                    expression      = node,
                    exception_type  = "SystemError"
                                        if python_version < 331 else
                                      "RuntimeError",
                    exception_value = "super(): __class__ cell not found",
                )

            if object is None:
                if provider.getParameters().getArgumentCount() > 0:
                    par1_name = provider.getParameters().getArgumentNames()[0]
                    # TODO: Nested first argument would kill us here, need a
                    # test for that.

                    object = ExpressionVariableRef(
                        variable_name = par1_name,
                        source_ref    = source_ref
                    )

                    object.setVariable(
                        provider.getVariableForReference(
                            variable_name = par1_name
                        )
                    )

                    if not object.getVariable().isParameterVariable():
                        return makeRaiseExceptionReplacementExpression(
                            expression      = node,
                            exception_type  = "SystemError"
                                                if python_version < 330 else
                                              "RuntimeError",
                            exception_value = "super(): __class__ cell not found",
                        )
                else:
                    return makeRaiseExceptionReplacementExpression(
                        expression      = node,
                        exception_type  = "RuntimeError",
                        exception_value = "super(): no arguments"
                    )

        return ExpressionBuiltinSuper(
            super_type   = type,
            super_object = object,
            source_ref   = source_ref
        )
示例#14
0
def computeBuiltinCall( call_node, called ):
    builtin_name = called.getBuiltinName()

    if builtin_name in _dispatch_dict:
        new_node = _dispatch_dict[ builtin_name ]( call_node )

        if new_node is None:
            return call_node, None, None

        inspect_node = new_node

        if inspect_node.isExpressionSideEffects():
            inspect_node = inspect_node.getExpression()

        if inspect_node.isExpressionBuiltinImport():
            tags    = "new_import"
            message = "Replaced dynamic builtin import %s with static module import." % inspect_node.kind
        elif inspect_node.isExpressionBuiltin() or inspect_node.isStatementExec():
            tags = "new_builtin"
            message = "Replaced call to builtin with builtin call %s." % inspect_node.kind
        elif inspect_node.isExpressionRaiseException():
            tags = "new_raise"
            message = "Replaced call to builtin %s with exception raising call." % inspect_node.kind
        elif inspect_node.isExpressionOperationUnary():
            tags = "new_expression"
            message = "Replaced call to builtin %s with unary operation %s." % ( inspect_node.kind, inspect_node.getOperator() )
        else:
            assert False, ( builtin_name, "->", inspect_node )

        # TODO: One day, this should be enabled by default and call either the original
        # built-in or the optimized above one. That should be done, once we can eliminate
        # the condition for most cases.
        if False and isDebug() and not shallMakeModule() and builtin_name:
            from nuitka.nodes.ConditionalNodes import ExpressionConditional
            from nuitka.nodes.ComparisonNodes import ExpressionComparisonIs
            from nuitka.nodes.BuiltinRefNodes import (
                ExpressionBuiltinExceptionRef,
                ExpressionBuiltinOriginalRef,
                ExpressionBuiltinRef,
            )
            from nuitka.nodes.ExceptionNodes import ExpressionRaiseException

            source_ref = called.getSourceReference()

            new_node = ExpressionConditional(
                condition      = ExpressionComparisonIs(
                    left  = ExpressionBuiltinRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    right = ExpressionBuiltinOriginalRef(
                        builtin_name = builtin_name,
                        source_ref   = source_ref
                    ),
                    source_ref   = source_ref
                ),
                yes_expression = new_node,
                no_expression  = makeRaiseExceptionReplacementExpression(
                    exception_type  = "RuntimeError",
                    exception_value = "Builtin '%s' was overloaded'" % builtin_name,
                    expression      = call_node
                ),
                source_ref     = source_ref
            )


        return new_node, tags, message
    else:
        # TODO: Consider giving warnings, whitelisted potentially
        return call_node, None, None