trait InvocationCollectorNode: HasAttrs + HasNodeId + Sized {
    type OutputTy = SmallVec<[Self; 1]>;
    type AttrsTy: Deref<Target = [Attribute]> = ThinVec<Attribute>;

    const KIND: AstFragmentKind;

    // Required methods
    fn to_annotatable(self) -> Annotatable;
    fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy;

    // Provided methods
    fn descr() -> &'static str { ... }
    fn noop_flat_map<V: MutVisitor>(self, _visitor: &mut V) -> Self::OutputTy { ... }
    fn noop_visit<V: MutVisitor>(&mut self, _visitor: &mut V) { ... }
    fn is_mac_call(&self) -> bool { ... }
    fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon) { ... }
    fn pre_flat_map_node_collect_attr(
        _cfg: &StripUnconfigured<'_>,
        _attr: &Attribute
    ) { ... }
    fn post_flat_map_node_collect_bang(
        _output: &mut Self::OutputTy,
        _add_semicolon: AddSemicolon
    ) { ... }
    fn wrap_flat_map_node_noop_flat_map(
        node: Self,
        collector: &mut InvocationCollector<'_, '_>,
        noop_flat_map: impl FnOnce(Self, &mut InvocationCollector<'_, '_>) -> Self::OutputTy
    ) -> Result<Self::OutputTy, Self> { ... }
    fn expand_cfg_false(
        &mut self,
        collector: &mut InvocationCollector<'_, '_>,
        _pos: usize,
        span: Span
    ) { ... }
    fn declared_names(&self) -> Vec<Ident> { ... }
}
Expand description

A trait implemented for all AstFragment nodes and providing all pieces of functionality used by InvocationCollector.

Provided Associated Types§

Required Associated Constants§

Required Methods§

Provided Methods§

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fn descr() -> &'static str

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fn noop_flat_map<V: MutVisitor>(self, _visitor: &mut V) -> Self::OutputTy

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fn noop_visit<V: MutVisitor>(&mut self, _visitor: &mut V)

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fn is_mac_call(&self) -> bool

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fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon)

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fn pre_flat_map_node_collect_attr( _cfg: &StripUnconfigured<'_>, _attr: &Attribute )

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fn post_flat_map_node_collect_bang( _output: &mut Self::OutputTy, _add_semicolon: AddSemicolon )

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fn wrap_flat_map_node_noop_flat_map( node: Self, collector: &mut InvocationCollector<'_, '_>, noop_flat_map: impl FnOnce(Self, &mut InvocationCollector<'_, '_>) -> Self::OutputTy ) -> Result<Self::OutputTy, Self>

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fn expand_cfg_false( &mut self, collector: &mut InvocationCollector<'_, '_>, _pos: usize, span: Span )

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fn declared_names(&self) -> Vec<Ident>

All of the names (items) declared by this node. This is an approximation and should only be used for diagnostics.

Implementations on Foreign Types§

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impl InvocationCollectorNode for GenericParam

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const KIND: AstFragmentKind = AstFragmentKind::GenericParams

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for AstNodeWrapper<P<Expr>, OptExprTag>

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impl InvocationCollectorNode for P<Item>

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const KIND: AstFragmentKind = AstFragmentKind::Items

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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fn is_mac_call(&self) -> bool

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fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon)

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fn wrap_flat_map_node_noop_flat_map( node: Self, collector: &mut InvocationCollector<'_, '_>, noop_flat_map: impl FnOnce(Self, &mut InvocationCollector<'_, '_>) -> Self::OutputTy ) -> Result<Self::OutputTy, Self>

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fn declared_names(&self) -> Vec<Ident>

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impl InvocationCollectorNode for P<Expr>

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type OutputTy = P<Expr>

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type AttrsTy = ThinVec<Attribute>

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const KIND: AstFragmentKind = AstFragmentKind::Expr

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn descr() -> &'static str

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fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V)

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fn is_mac_call(&self) -> bool

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fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon)

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impl InvocationCollectorNode for AstNodeWrapper<P<AssocItem>, TraitItemTag>

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impl InvocationCollectorNode for P<Pat>

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type OutputTy = P<Pat>

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const KIND: AstFragmentKind = AstFragmentKind::Pat

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V)

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fn is_mac_call(&self) -> bool

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fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon)

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impl InvocationCollectorNode for Stmt

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impl InvocationCollectorNode for Param

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const KIND: AstFragmentKind = AstFragmentKind::Params

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for ExprField

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const KIND: AstFragmentKind = AstFragmentKind::ExprFields

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for Variant

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const KIND: AstFragmentKind = AstFragmentKind::Variants

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for FieldDef

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const KIND: AstFragmentKind = AstFragmentKind::FieldDefs

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for AstNodeWrapper<P<AssocItem>, ImplItemTag>

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impl InvocationCollectorNode for Arm

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const KIND: AstFragmentKind = AstFragmentKind::Arms

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for P<ForeignItem>

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const KIND: AstFragmentKind = AstFragmentKind::ForeignItems

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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fn is_mac_call(&self) -> bool

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fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon)

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impl InvocationCollectorNode for AstNodeWrapper<P<Expr>, MethodReceiverTag>

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impl InvocationCollectorNode for P<Ty>

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type OutputTy = P<Ty>

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const KIND: AstFragmentKind = AstFragmentKind::Ty

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V)

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fn is_mac_call(&self) -> bool

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fn take_mac_call(self) -> (P<MacCall>, Self::AttrsTy, AddSemicolon)

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impl InvocationCollectorNode for PatField

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const KIND: AstFragmentKind = AstFragmentKind::PatFields

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy

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impl InvocationCollectorNode for Crate

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type OutputTy = Crate

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const KIND: AstFragmentKind = AstFragmentKind::Crate

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fn to_annotatable(self) -> Annotatable

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fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy

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fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V)

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fn expand_cfg_false( &mut self, collector: &mut InvocationCollector<'_, '_>, pos: usize, _span: Span )

Implementors§