Struct rustc::cfg::graphviz::LabelledCFG

pub struct LabelledCFG<'a, 'tcx: 'a> {
    pub tcx: TyCtxt<'a, 'tcx, 'tcx>,
    pub cfg: &'a CFG,
    pub name: String,
    pub labelled_edges: bool,
}

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Fields

tcx: TyCtxt<'a, 'tcx, 'tcx>

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cfg: &'a CFG

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name: String

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labelled_edges: bool

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labelled_edges controls whether we emit labels on the edges

Methods

impl<'a, 'tcx> LabelledCFG<'a, 'tcx>

fn local_id_to_string(&self, local_id: ItemLocalId) -> String

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Trait Implementations

impl<'a, 'hir> Labeller<'a> for LabelledCFG<'a, 'hir>

type Node = Node<'a>

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type Edge = Edge<'a>

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fn graph_id(&'a self) -> Id<'a>

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Must return a DOT compatible identifier naming the graph.

fn node_id(&'a self, (i, _): &Node<'a>) -> Id<'a>

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Maps n to a unique identifier with respect to self. The implementor is responsible for ensuring that the returned name is a valid DOT identifier.

fn node_label(&'a self, (i, n): &Node<'a>) -> LabelText<'a>

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Maps n to a label that will be used in the rendered output. The label need not be unique, and may be the empty string; the default is just the output from node_id.

fn edge_label(&self, e: &Edge<'a>) -> LabelText<'a>

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Maps e to a label that will be used in the rendered output. The label need not be unique, and may be the empty string; the default is in fact the empty string.

fn node_shape(&'a self, _node: &Self::Node) -> Option<LabelText<'a>>

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Maps n to one of the [graphviz shape names][1]. If None is returned, no shape attribute is specified.

fn node_style(&'a self, _n: &Self::Node) -> Style

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Maps n to a style that will be used in the rendered output.

fn edge_style(&'a self, _e: &Self::Edge) -> Style

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Maps e to a style that will be used in the rendered output.

impl<'a, 'hir> GraphWalk<'a> for LabelledCFG<'a, 'hir>

type Node = Node<'a>

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type Edge = Edge<'a>

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fn nodes(&'a self) -> Nodes<'a, Node<'a>>

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Returns all the nodes in this graph.

fn edges(&'a self) -> Edges<'a, Edge<'a>>

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Returns all of the edges in this graph.

fn source(&'a self, edge: &Edge<'a>) -> Node<'a>

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The source node for edge.

fn target(&'a self, edge: &Edge<'a>) -> Node<'a>

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The target node for edge.