Enum cstree::NodeOrToken

pub enum NodeOrToken<N, T> {
    Node(N),
    Token(T),
}

Convenience type to represent tree elements which may either be a node or a token.

Used for both red and green tree, references to elements, …

Variants

Node(N)

Token(T)

Implementations

impl NodeOrToken<GreenNode, GreenToken>

pub fn kind(&self) -> SyntaxKind

Returns kind of this element.

pub fn text_len(&self) -> TextSize

Returns the length of the text covered by this element.

impl NodeOrToken<&'_ GreenNode, &'_ GreenToken>

pub fn kind(&self) -> SyntaxKind

Returns kind of this element.

pub fn text_len(self) -> TextSize

Returns the length of the text covered by this element.

impl<L: Language, D> NodeOrToken<SyntaxNode<L, D>, SyntaxToken<L, D>>

pub fn display(&self, resolver: &impl Resolver) -> String

impl<'a, L: Language, D> NodeOrToken<&'a SyntaxNode<L, D>, &'a SyntaxToken<L, D>>

pub fn display(&self, resolver: &impl Resolver) -> String

impl<L: Language, D> NodeOrToken<SyntaxNode<L, D>, SyntaxToken<L, D>>

pub fn text_range(&self) -> TextRange

The range this element covers in the source text, in bytes.

pub fn syntax_kind(&self) -> SyntaxKind

The internal representation of the kind of this element.

pub fn kind(&self) -> L::Kind

The kind of this element in terms of your language.

pub fn parent(&self) -> Option<&SyntaxNode<L, D>>

The parent node of this element, except if this element is the root.

pub fn ancestors(&self) -> impl Iterator<Item = &SyntaxNode<L, D>>

Returns an iterator along the chain of parents of this node.

pub fn first_token(&self) -> Option<&SyntaxToken<L, D>>

Return the leftmost token in the subtree of this element.

pub fn last_token(&self) -> Option<&SyntaxToken<L, D>>

Return the rightmost token in the subtree of this element.

pub fn next_sibling_or_token(&self) -> Option<SyntaxElementRef<'_, L, D>>

The tree element to the right of this one, i.e. the next child of this element’s parent after this element.

pub fn prev_sibling_or_token(&self) -> Option<SyntaxElementRef<'_, L, D>>

The tree element to the left of this one, i.e. the previous child of this element’s parent after this element.

impl<'a, L: Language, D> NodeOrToken<&'a SyntaxNode<L, D>, &'a SyntaxToken<L, D>>

pub fn text_range(&self) -> TextRange

The range this element covers in the source text, in bytes.

pub fn syntax_kind(&self) -> SyntaxKind

The internal representation of the kind of this element.

pub fn kind(&self) -> L::Kind

The kind of this element in terms of your language.

pub fn parent(&self) -> Option<&'a SyntaxNode<L, D>>

The parent node of this element, except if this element is the root.

pub fn ancestors(&self) -> impl Iterator<Item = &'a SyntaxNode<L, D>>

Returns an iterator along the chain of parents of this node.

pub fn first_token(&self) -> Option<&'a SyntaxToken<L, D>>

Return the leftmost token in the subtree of this element.

pub fn last_token(&self) -> Option<&'a SyntaxToken<L, D>>

Return the rightmost token in the subtree of this element.

pub fn next_sibling_or_token(&self) -> Option<SyntaxElementRef<'a, L, D>>

The tree element to the right of this one, i.e. the next child of this element’s parent after this element.

pub fn prev_sibling_or_token(&self) -> Option<SyntaxElementRef<'a, L, D>>

The tree element to the left of this one, i.e. the previous child of this element’s parent after this element.

impl<L: Language, D> NodeOrToken<ResolvedNode<L, D>, ResolvedToken<L, D>>

pub fn display(&self, resolver: &impl Resolver) -> String

impl<L: Language, D> NodeOrToken<ResolvedNode<L, D>, ResolvedToken<L, D>>

pub fn text_range(&self) -> TextRange

The range this element covers in the source text, in bytes.

pub fn syntax_kind(&self) -> SyntaxKind

The internal representation of the kind of this element.

pub fn kind(&self) -> L::Kind

The kind of this element in terms of your language.

pub fn parent(&self) -> Option<&ResolvedNode<L, D>>

The parent node of this element, except if this element is the root.

pub fn ancestors(&self) -> impl Iterator<Item = &ResolvedNode<L, D>>

Returns an iterator along the chain of parents of this node.

pub fn first_token(&self) -> Option<&ResolvedToken<L, D>>

Return the leftmost token in the subtree of this element.

pub fn last_token(&self) -> Option<&ResolvedToken<L, D>>

Return the rightmost token in the subtree of this element.

pub fn next_sibling_or_token(&self) -> Option<ResolvedElementRef<'_, L, D>>

The tree element to the right of this one, i.e. the next child of this element’s parent after this element.

pub fn prev_sibling_or_token(&self) -> Option<ResolvedElementRef<'_, L, D>>

The tree element to the left of this one, i.e. the previous child of this element’s parent after this element.

impl<'a, L: Language, D> NodeOrToken<&'a ResolvedNode<L, D>, &'a ResolvedToken<L, D>>

pub fn text_range(&self) -> TextRange

The range this element covers in the source text, in bytes.

pub fn syntax_kind(&self) -> SyntaxKind

The internal representation of the kind of this element.

pub fn kind(&self) -> L::Kind

The kind of this element in terms of your language.

pub fn parent(&self) -> Option<&'a ResolvedNode<L, D>>

The parent node of this element, except if this element is the root.

pub fn ancestors(&self) -> impl Iterator<Item = &'a ResolvedNode<L, D>>

Returns an iterator along the chain of parents of this node.

pub fn first_token(&self) -> Option<&'a ResolvedToken<L, D>>

Return the leftmost token in the subtree of this element.

pub fn last_token(&self) -> Option<&'a ResolvedToken<L, D>>

Return the rightmost token in the subtree of this element.

pub fn next_sibling_or_token(&self) -> Option<ResolvedElementRef<'a, L, D>>

The tree element to the right of this one, i.e. the next child of this element’s parent after this element.

pub fn prev_sibling_or_token(&self) -> Option<ResolvedElementRef<'a, L, D>>

The tree element to the left of this one, i.e. the previous child of this element’s parent after this element.

impl<N, T> NodeOrToken<N, T>

pub fn into_node(self) -> Option<N>

pub fn into_token(self) -> Option<T>

pub fn as_node(&self) -> Option<&N>

pub fn as_token(&self) -> Option<&T>

Trait Implementations

impl<N: Clone, T: Clone> Clone for NodeOrToken<N, T>

fn clone(&self) -> NodeOrToken<N, T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<N: Copy, T: Copy> Copy for NodeOrToken<N, T>

impl<N: Debug, T: Debug> Debug for NodeOrToken<N, T>

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

Formats the value using the given formatter.

impl<N: Display, T: Display> Display for NodeOrToken<N, T>

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

Formats the value using the given formatter.

impl<N: Eq, T: Eq> Eq for NodeOrToken<N, T>

impl<'a> From<&'a GreenNode> for NodeOrToken<&'a GreenNode, &'a GreenToken>

fn from(node: &'a GreenNode) -> NodeOrToken<&'a GreenNode, &'a GreenToken>

Performs the conversion.

impl<'a> From<&'a GreenToken> for NodeOrToken<&'a GreenNode, &'a GreenToken>

fn from(token: &'a GreenToken) -> NodeOrToken<&'a GreenNode, &'a GreenToken>

Performs the conversion.

impl<'a, L: Language, D> From<&'a NodeOrToken<ResolvedNode<L, D>, ResolvedToken<L, D>>> for ResolvedElementRef<'a, L, D>

fn from(element: &'a ResolvedElement<L, D>) -> Self

Performs the conversion.

impl<'a, L: Language, D> From<&'a NodeOrToken<SyntaxNode<L, D>, SyntaxToken<L, D>>> for SyntaxElementRef<'a, L, D>

fn from(element: &'a SyntaxElement<L, D>) -> Self

Performs the conversion.

impl From<GreenNode> for NodeOrToken<GreenNode, GreenToken>

fn from(node: GreenNode) -> NodeOrToken<GreenNode, GreenToken>

Performs the conversion.

impl From<GreenToken> for NodeOrToken<GreenNode, GreenToken>

fn from(token: GreenToken) -> NodeOrToken<GreenNode, GreenToken>

Performs the conversion.

impl<N: Hash, T: Hash> Hash for NodeOrToken<N, T>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl<N: Ord, T: Ord> Ord for NodeOrToken<N, T>

fn cmp(&self, other: &NodeOrToken<N, T>) -> Ordering

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl<N: PartialEq, T: PartialEq> PartialEq<NodeOrToken<N, T>> for NodeOrToken<N, T>

fn eq(&self, other: &NodeOrToken<N, T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &NodeOrToken<N, T>) -> bool

This method tests for !=.

impl<N: PartialOrd, T: PartialOrd> PartialOrd<NodeOrToken<N, T>> for NodeOrToken<N, T>

fn partial_cmp(&self, other: &NodeOrToken<N, T>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]pub fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]pub fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]pub fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]pub fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<N, T> StructuralEq for NodeOrToken<N, T>

impl<N, T> StructuralPartialEq for NodeOrToken<N, T>