#[non_exhaustive]pub enum SyntaxKind {
Show 31 variants
Whitespace,
Newline,
Comment,
Bom,
Directive,
DashIndicator,
QuestionIndicator,
ColonIndicator,
Comma,
OpenBracket,
CloseBracket,
OpenBrace,
CloseBrace,
AnchorMark,
AliasMark,
TagMark,
DocStart,
DocEnd,
PlainScalar,
SingleQuotedScalar,
DoubleQuotedScalar,
LiteralScalar,
FoldedScalar,
Stream,
Document,
BlockMapping,
BlockSequence,
FlowMapping,
FlowSequence,
MappingEntry,
SequenceItem,
}Expand description
Kind of a green-tree node or token.
Token kinds describe leaves whose text slice is the source
substring they came from. Composite kinds describe parent nodes
whose text is the concatenation of their descendants.
§Examples
use noyalib::cst::SyntaxKind;
assert!(SyntaxKind::PlainScalar.is_token());
assert!(!SyntaxKind::Document.is_token());Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Whitespace
Run of inline blanks (spaces and tabs) between tokens.
Newline
A single line break (\n or \r\n).
Comment
A # … comment up to the next line break.
Bom
A UTF-8 byte-order mark consumed at stream start.
Directive
A %YAML / %TAG / reserved directive line, including the
leading % and excluding the terminating line break.
DashIndicator
- block-sequence indicator.
QuestionIndicator
? explicit-key indicator.
ColonIndicator
: value indicator.
Comma
, flow-entry indicator.
OpenBracket
[ flow-sequence open.
CloseBracket
] flow-sequence close.
OpenBrace
{ flow-mapping open.
CloseBrace
} flow-mapping close.
AnchorMark
&name anchor mark — leaf includes the &.
AliasMark
*name alias mark — leaf includes the *.
TagMark
!tag tag mark — leaf includes the ! and any handle / suffix.
DocStart
--- document-start indicator.
DocEnd
... document-end indicator.
PlainScalar
A plain (unquoted) scalar.
SingleQuotedScalar
A '…' single-quoted scalar.
DoubleQuotedScalar
A "…" double-quoted scalar.
LiteralScalar
A |… literal block scalar (header + content).
FoldedScalar
A >… folded block scalar (header + content).
Stream
The whole stream — root of the green tree returned by
crate::cst::parse_document and crate::cst::parse_stream.
Document
A single YAML document inside the stream.
BlockMapping
A block-style mapping. Children are Self::MappingEntry
nodes (or trivia) in source order.
BlockSequence
A block-style sequence. Children are Self::SequenceItem
nodes (or trivia) in source order.
FlowMapping
A { … } flow mapping. Children are the brace tokens, the
entries’ tokens, and inter-token trivia. Flow content is
kept flat — flow entries are not subdivided into
Self::MappingEntry composites.
FlowSequence
A [ … ] flow sequence. Flow content is kept flat — see
Self::FlowMapping.
MappingEntry
A single key/value entry of a Self::BlockMapping. Holds
the (optional) ? indicator, the key tokens, the :
indicator, the value tokens (which may themselves be a nested
block / flow collection), and any inline trailing trivia.
SequenceItem
A single item of a Self::BlockSequence, including the -
indicator and the value tokens (or a nested collection).
Implementations§
Source§impl SyntaxKind
impl SyntaxKind
Sourcepub const fn is_token(self) -> bool
pub const fn is_token(self) -> bool
true for leaves whose text is a verbatim source slice;
false for composite parent nodes.
§Examples
use noyalib::cst::SyntaxKind;
assert!(SyntaxKind::Whitespace.is_token());
assert!(!SyntaxKind::Stream.is_token());
assert!(!SyntaxKind::BlockMapping.is_token());Trait Implementations§
Source§impl Clone for SyntaxKind
impl Clone for SyntaxKind
Source§fn clone(&self) -> SyntaxKind
fn clone(&self) -> SyntaxKind
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreimpl Copy for SyntaxKind
Source§impl Debug for SyntaxKind
impl Debug for SyntaxKind
impl Eq for SyntaxKind
Source§impl Hash for SyntaxKind
impl Hash for SyntaxKind
Source§impl PartialEq for SyntaxKind
impl PartialEq for SyntaxKind
impl StructuralPartialEq for SyntaxKind
Auto Trait Implementations§
impl Freeze for SyntaxKind
impl RefUnwindSafe for SyntaxKind
impl Send for SyntaxKind
impl Sync for SyntaxKind
impl Unpin for SyntaxKind
impl UnsafeUnpin for SyntaxKind
impl UnwindSafe for SyntaxKind
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