hugr_core::hugr::patch::simple_replace

Struct SimpleReplacement

pub struct SimpleReplacement<HostNode = Node> { /* private fields */ }

Expand description

Specification of a simple replacement operation.

§Type parameters

N: The type of nodes in the host hugr.

Implementations§

impl<HostNode: HugrNode> SimpleReplacement<HostNode>

pub fn new( subgraph: SiblingSubgraph<HostNode>, replacement: Hugr, nu_inp: HashMap<(Node, IncomingPort), (HostNode, IncomingPort)>, nu_out: impl Into<OutputBoundaryMap<HostNode>>, ) -> Self

Create a new SimpleReplacement specification.

pub fn replacement(&self) -> &Hugr

The replacement hugr.

pub fn into_replacement(self) -> Hugr

Consume self and return the replacement hugr.

pub fn subgraph(&self) -> &SiblingSubgraph<HostNode>

Subgraph to be replaced.

pub fn is_valid_rewrite( &self, h: &impl HugrView<Node = HostNode>, ) -> Result<(), SimpleReplacementError>

Check if the replacement can be applied to the given hugr.

pub fn get_replacement_io(&self) -> Result<[Node; 2], SimpleReplacementError>

Get the input and output nodes of the replacement hugr.

pub fn incoming_boundary<'a>( &'a self, host: &'a impl HugrView<Node = HostNode>, ) -> impl Iterator<Item = (HostPort<HostNode, OutgoingPort>, ReplacementPort<IncomingPort>)> + 'a

Get all edges that the replacement would add from outgoing ports in host to incoming ports in self.replacement.

The incoming ports returned are always connected to outputs of the OpTag::Input node of self.replacement.

For each pair in the returned vector, the first element is a port in host and the second is a port in self.replacement.

pub fn outgoing_boundary<'a>( &'a self, host: &'a impl HugrView<Node = HostNode>, ) -> impl Iterator<Item = (ReplacementPort<OutgoingPort>, HostPort<HostNode, IncomingPort>)> + 'a

Get all edges that the replacement would add from outgoing ports in self.replacement to incoming ports in host.

The outgoing ports returned are always connected to inputs of the OpTag::Output node of self.replacement.

For each pair in the returned vector, the first element is a port in self.replacement and the second is a port in host.

This panics if self.replacement is not a DFG.

pub fn host_to_host_boundary<'a>( &'a self, host: &'a impl HugrView<Node = HostNode>, ) -> impl Iterator<Item = (HostPort<HostNode, OutgoingPort>, HostPort<HostNode, IncomingPort>)> + 'a

Get all edges that the replacement would add between ports in host.

These correspond to direct edges between the input and output nodes in the replacement graph.

For each pair in the returned vector, the both ports are in host.

This panics if self.replacement is not a DFG.

pub fn map_host_output<P: Into<Port>>( &self, port: impl Into<HostPort<HostNode, P>>, ) -> Option<ReplacementPort<IncomingPort>>

Get the incoming port at the output node of self.replacement that corresponds to the given host output port.

If the output boundary map is given as outgoing (incoming) ports, the port must be outgoing (incoming). Otherwise, None is returned.

This panics if self.replacement is not a DFG.

pub fn map_replacement_input( &self, port: impl Into<ReplacementPort<IncomingPort>>, ) -> Option<HostPort<HostNode, IncomingPort>>

Get the incoming port in subgraph that corresponds to the given replacement input port.

This panics if self.replacement is not a DFG.

pub fn all_boundary_edges<'a>( &'a self, host: &'a impl HugrView<Node = HostNode>, ) -> impl Iterator<Item = (BoundaryPort<HostNode, OutgoingPort>, BoundaryPort<HostNode, IncomingPort>)> + 'a

Get all edges that the replacement would add between host and self.replacement.

This is equivalent to chaining the results of Self::incoming_boundary, Self::outgoing_boundary, and Self::host_to_host_boundary.

This panics if self.replacement is not a DFG.

Trait Implementations§

impl<HostNode: Clone> Clone for SimpleReplacement<HostNode>

fn clone(&self) -> SimpleReplacement<HostNode>

Returns a copy of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<HostNode: Debug> Debug for SimpleReplacement<HostNode>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl<N: HugrNode> PatchHugrMut for SimpleReplacement<N>

const UNCHANGED_ON_FAILURE: bool = true

If true, [self.apply]’s of this rewrite guarantee that they do not mutate the Hugr when they return an Err. If false, there is no guarantee; the Hugr should be assumed invalid when Err is returned.

type Outcome = Outcome<N>

The type returned on successful application of the rewrite.

fn apply_hugr_mut( self, h: &mut impl HugrMut<Node = N>, ) -> Result<Self::Outcome, Self::Error>

Mutate the specified Hugr, or fail with an error. Read more

impl<HostNode: HugrNode> PatchVerification for SimpleReplacement<HostNode>

type Error = SimpleReplacementError

The type of Error with which this Rewrite may fail

type Node = HostNode

The node type of the HugrView that this patch applies to.

fn verify( &self, h: &impl HugrView<Node = HostNode>, ) -> Result<(), SimpleReplacementError>

Checks whether the rewrite would succeed on the specified Hugr. If this call succeeds, Patch::apply should also succeed on the same h If this calls fails, Patch::apply would fail with the same error.

fn invalidation_set(&self) -> impl Iterator<Item = HostNode>

Returns a set of nodes referenced by the rewrite. Modifying any of these nodes will invalidate it. Read more

Auto Trait Implementations§

impl<HostNode = Node> !Freeze for SimpleReplacement<HostNode>

impl<HostNode = Node> !RefUnwindSafe for SimpleReplacement<HostNode>

impl<HostNode> Send for SimpleReplacement<HostNode>
where HostNode: Send,

impl<HostNode> Sync for SimpleReplacement<HostNode>
where HostNode: Sync,

impl<HostNode> Unpin for SimpleReplacement<HostNode>
where HostNode: Unpin,

impl<HostNode = Node> !UnwindSafe for SimpleReplacement<HostNode>

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

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impl<R, H> Patch<H> for R
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const UNCHANGED_ON_FAILURE: bool = const UNCHANGED_ON_FAILURE: bool = R::UNCHANGED_ON_FAILURE;

If true, Patch::apply’s of this rewrite guarantee that they do not mutate the Hugr when they return an Err. If false, there is no guarantee; the Hugr should be assumed invalid when Err is returned.

type Outcome = <R as PatchHugrMut>::Outcome

The type returned on successful application of the rewrite.

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Mutate the specified Hugr, or fail with an error. Read more

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