Source code for psyclone.domain.common.transformations.alg_trans

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# Authors: R. W. Ford, A. R. Porter and N. Nobre, STFC Daresbury Lab

'''Specialise generic PSyIR representing an algorithm layer to a
PSyclone algorithm-layer-specific PSyIR which uses specialised classes.

'''
from psyclone.domain.common.transformations import RaisePSyIR2AlgTrans
from psyclone.psyGen import Transformation
from psyclone.psyir.nodes import Call, Routine, Container
from psyclone.psyir.transformations import TransformationError
from psyclone.utils import transformation_documentation_wrapper




@transformation_documentation_wrapper
class AlgTrans(Transformation):
    '''Transform a generic PSyIR representation of the Algorithm layer to
    a PSyclone version with specialised domain-specific nodes.

    '''
    def __init__(self):
        self._invoke_trans = RaisePSyIR2AlgTrans()



    def validate(self, node, options=None, **kwargs):
        '''Validate the supplied PSyIR tree.

        :param node: a PSyIR node that is the root of a PSyIR tree.
        :type node: :py:class:`psyclone.psyir.node.Routine` or \
            :py:class:`psyclone.psyir.node.Container`
        :param options: a dictionary with options for transformations.
        :type options: Optional[Dict[str, Any]]

        :raises TransformationError: if the supplied node argument is \
            not a Routine or a Container.
        :raises TransformationError: if the supplied node argument has \
            a parent.

        '''
        if not options:
            self.validate_options(**kwargs)

        if not isinstance(node, (Routine, Container)):
            raise TransformationError(
                f"Error in {self.name} transformation. The supplied call "
                f"argument should be a Routine or Container node but found "
                f"'{type(node).__name__}'.")
        if node.parent:
            raise TransformationError(
                f"Error in {self.name} transformation. The supplied node "
                f"should be the root of a PSyIR tree but this node has a "
                f"parent.")




    def apply(self, node, options=None, **kwargs):
        ''' Apply transformation to the supplied PSyIR node.

        :param node: a PSyIR node that is the root of a PSyIR tree.
        :type node: :py:class:`psyclone.psyir.node.Routine` or \
            :py:class:`psyclone.psyir.node.Container`
        :param options: a dictionary with options for transformations.
        :type options: Optional[Dict[str, Any]]

        '''
        self.validate(node, options=options, **kwargs)
        idx = 0
        for call in node.walk(Call, stop_type=Call):
            if call.routine.name.lower() == "invoke":
                self._invoke_trans.apply(call, idx, options=options, **kwargs)
                idx += 1




__all__ = ['AlgTrans']