tree_sitter library

Classes

DartTreeSitterGrammar
Generated-language counterpart used by the example and default highlighter.
GeneratedChangedRangeLength
GeneratedChangedRangeTrace
Records direct calls and state outputs of the fourteen operations ported from get_changed_ranges.c. It is optional and has no production overhead.
GeneratedEditedSubtreeState
Effective relative subtree fields after ts_subtree_edit.
GeneratedReusableNodeCursor
Depth-first cursor over reusable generated subtrees. The synthetic root is intentionally never yielded, matching native Tree-sitter's reuse cursor.
GeneratedTreeSitterChangedRange
GeneratedTreeSitterField
GeneratedTreeSitterGrammar
Grammar backed by generated Tree-sitter parse tables executed in Dart.
GeneratedTreeSitterNode
GeneratedTreeSitterNodePosition
Effective position of a generated node after all tree edits.
GeneratedTreeSitterParser
GeneratedTreeSitterProductionField
GeneratedTreeSitterTree
JavaScriptTreeSitterGrammar
A pure-Dart scanner grammar for JavaScript and its TypeScript/JSX variants.
MutableTreeSitterCancellationToken
Mutable token useful when producer and parser execute in the same isolate. Cross-isolate runtimes should implement TreeSitterCancellationToken with their platform's shared cancellation primitive.
TreeSitterAllocator
The callback slots controlled by treeSitterSetAllocator.
TreeSitterArray<T>
Managed generic adaptation of Tree-sitter 0.25.10's Array(T).
TreeSitterAtomicUint32
Managed counterpart of Tree-sitter's small atomic counter helpers.
TreeSitterBufferTag
Flat TSTag representation stored by the C tags-buffer API.
TreeSitterByteRange
TreeSitterCancellationToken
A shareable cancellation contract for parser runtimes.
TreeSitterCBufferIterator<T>
An owning iterator over a C-style buffer and explicit element count.
TreeSitterCharacterRange
Managed value counterpart of native TSCharacterRange.
TreeSitterCHighlighter
Managed counterpart of the C facade's TSHighlighter registry.
TreeSitterCollectedInput
TreeSitterCustomEncodingInput
Collects callback input using Tree-sitter 0.25's custom decoder contract.
TreeSitterDecodedInputMap
Boundary map from the UTF-8 parser representation back to the caller's original custom-encoded byte stream.
TreeSitterDecodeResult
One decoded scalar and the number of source bytes it consumed.
TreeSitterEditableInput
Editable piece-based UTF-8 input used by a persistent parser worker.
TreeSitterEditBatch
A revisioned sequence of edits, applied strictly in list order.
TreeSitterExternalLexer
Dart counterpart of Tree-sitter's TSLexer external-scanner surface.
TreeSitterExternalScanner<State>
TreeSitterExternalScannerDestroy<State>
Optional deterministic counterpart of an external scanner's native destroy callback.
TreeSitterExternalScannerGoalRetry
Opts a scanner into retrying a failed speculative scan with one valid external-token goal at a time.
TreeSitterExternalScannerPersistentPayload
Opts a scanner into reusing its native-style payload across scans.
TreeSitterFieldMapEntry
TreeSitterFieldMapSlice
TreeSitterGrammar
TreeSitterGrammarRevision
TreeSitterHighlight
Identifies an entry in a configured highlight-name table.
TreeSitterHighlightBuffer
Dart ownership wrapper for the C facade's TSHighlightBuffer.
TreeSitterHighlightCancellationToken
Mutable cancellation flag shared with one highlight operation.
TreeSitterHighlightConfiguration
Immutable language/query data consumed by TreeSitterHighlighter.
TreeSitterHighlightEnd
Ends the most recently started highlight.
TreeSitterHighlighter
Reusable highlighter state. The parser is retained across calls, matching Tree-sitter's Highlighter; query cursors are managed Dart iterables.
TreeSitterHighlightEvent
One event in Tree-sitter's streaming highlight protocol.
TreeSitterHighlightItemResult
One HighlightIter item, preserving Rust's per-item Result contract.
TreeSitterHighlightSource
Emits source bytes in the half-open range start, end.
TreeSitterHighlightStart
Starts highlight.
TreeSitterHtmlHighlight
A configured highlight over a UTF-16 range of a Dart String.
TreeSitterHtmlRenderer
Converts Tree-sitter highlight events into a persistent HTML byte buffer.
TreeSitterInput
Random-access UTF-8 parser input.
TreeSitterInputEdit
One ordered source edit in the coordinate space produced by prior edits.
TreeSitterLanguageBinaryCodec
Compact, allocation-conscious codec for generated Tree-sitter tables.
TreeSitterLanguageBundle
Provenance and generated parse tables for one Tree-sitter grammar.
TreeSitterLanguageLookaheadIterator
Reusable view of terminal symbols accepted in one parse state.
TreeSitterLanguageMetadata
Semantic version metadata embedded by a generated Tree-sitter language.
TreeSitterLanguageTable
The generated grammar data needed by the native Dart lexer/parser.
TreeSitterLanguageTableEntry
Native-shaped result of ts_language_table_entry.
TreeSitterLexMode
TreeSitterLexState
TreeSitterLexTransition
TreeSitterLocalsConfiguration
TreeSitterLossyUtf8
Splits UTF-8 into the same valid runs and replacement items as Rust.
TreeSitterNativeInput
Exact value projection of native TSInput for the pure-Dart runtime.
TreeSitterNativeLogger
Exact value projection of native TSLogger.
TreeSitterNativeParseOptions
Exact value projection of native TSParseOptions.
TreeSitterNativeParseState
Exact value projection of the callback-owned native TSParseState.
TreeSitterNativeWasmError
Exact value projection of native TSWasmError.
TreeSitterNode
TreeSitterParseAction
TreeSitterParseActionEntry
TreeSitterParseOptions
TreeSitterParser
Pure-Dart incremental parser facade following Tree-sitter's tree API.
TreeSitterParserRuntimeHooks
Hooks the core runtime must consume to provide native cancellation, resumable timeout, logging, and graph behavior.
TreeSitterParseState
State supplied by Tree-sitter 0.25 progress callbacks.
TreeSitterParseStateSnapshot
Immutable public value for a parser progress-callback checkpoint.
TreeSitterPoint
A zero-based Tree-sitter position. Columns are UTF-8 byte columns.
TreeSitterPointRange
TreeSitterQuery
A compiled capture query over the node kinds emitted by a grammar.
TreeSitterQueryCapture
TreeSitterQueryCaptureOffset
Signed Tree-sitter point deltas applied to one capture by #offset!.
TreeSitterQueryCaptureResult
One item from a lazy query-capture stream.
TreeSitterQueryCaptureStream
A one-shot query capture iterable whose range remains mutable while it is being consumed.
TreeSitterQueryChildPattern
TreeSitterQueryChildRule
TreeSitterQueryCursor
Stateful range configuration for Tree-sitter query execution.
TreeSitterQueryCursorOptions
TreeSitterQueryCursorState
TreeSitterQueryGeneralPredicate
One predicate that is not interpreted by Tree-sitter's built-in text or property predicate machinery.
TreeSitterQueryMatch
One complete Tree-sitter query match, retaining all capture bindings and pattern-level #set! metadata.
TreeSitterQueryMatchStream
A one-shot query match iterable evaluated incrementally over the tree.
TreeSitterQueryNodePattern
One node expression in a structural query. An alternative expression has alternatives, while _ is represented by isWildcard.
TreeSitterQueryNodeType
TreeSitterQueryNodeTypeRef
TreeSitterQueryPattern
TreeSitterQueryPredicate
A text or ancestry constraint attached to a compiled query capture.
TreeSitterQueryPredicateArg
TreeSitterQueryPredicateCaptureArg
TreeSitterQueryPredicateStep
One native TSQueryPredicateStep value.
TreeSitterQueryPredicateStringArg
TreeSitterQueryProperty
A key/value property associated with a compiled query pattern.
TreeSitterRange
One byte-and-point range accepted by Tree-sitter's included-range API.
TreeSitterRawHandle<T extends Object>
A single-owner pure-Dart counterpart of an opaque native pointer.
TreeSitterReduceAction
Managed field-for-field counterpart of native ReduceAction.
TreeSitterReduceActionSet
Ordered native-style ReduceActionSet backed by the managed Array(T).
TreeSitterScmAtom
TreeSitterScmExpression
TreeSitterScmHighlightQueryCompiler
Compiles the structurally safe subset of a Tree-sitter highlights.scm query into the Dart query model.
TreeSitterScmList
TreeSitterScmParser
Pure-Dart parser for Tree-sitter's Scheme query syntax.
TreeSitterScmQueryParityAudit
AST-derived feature inventory for one Tree-sitter query document.
TreeSitterScmQueryParityAuditor
Audits the exact operators, predicates, directives, and special selectors accepted by TreeSitterScmHighlightQueryCompiler.
TreeSitterScmString
TreeSitterScmUnsupportedConstruct
TreeSitterStreamingDecodedInput
Demand-driven adapter from a native physical-byte input to the UTF-8 byte stream consumed by the generated Dart parser.
TreeSitterStructuralQueryPattern
A complete structural query pattern used when a Scheme query contains sibling anchors or quantifiers and cannot be represented as one contextual capture.
TreeSitterStructuralQueryPredicate
TreeSitterSymbolMetadata
TreeSitterSyntaxWorkerEngine
Pure-Dart syntax pipeline owned by a background isolate or Web Worker.
TreeSitterTablePoint
TreeSitterTableRange
A byte/point interval exposed to the lexer as parser input.
TreeSitterTableToken
TreeSitterTag
One definition or reference produced by a Tree-sitter tags query.
TreeSitterTagger
Owned counterpart of TSTagger and its scope-name language registry.
TreeSitterTagsBuffer
Owned counterpart of TSTagsBuffer and its C accessor functions.
TreeSitterTagsCancellationToken
Mutable cancellation flag checked between yielded tags.
TreeSitterTagsConfiguration
Compiled tags and locals queries for one generated Dart grammar.
TreeSitterTagsContext
Reusable tag-generation context matching Tree-sitter 0.25's tags surface.
TreeSitterTagsItemResult
Lazy tag stream plus the parse-error status of its source tree.
TreeSitterTagsNamedCapture
The syntax kind and role assigned to a named tags-query capture.
TreeSitterTagsResult
Lazy per-item results plus the parse-error status of the source tree.
TreeSitterTree
TreeSitterTreeCursor
Mutable cursor matching Tree-sitter's visible-node traversal semantics.
TreeSitterTreeCursorStatus
Query-facing facts computed by C's ts_tree_cursor_current_status.
TreeSitterUtf16Input
TreeSitterUtf16Offset
A typed UTF-16 code-unit offset into Tree-sitter source text.
TreeSitterUtf16Range
An immutable, half-open UTF-16 source range: [start, end).
TreeSitterUtf8Input
TreeSitterVersionedGrammar
Grammar whose generated Tree-sitter ABI version can be validated.
TreeSitterWasmDylinkInfo
The dylink.0 memory-info subsection used by Tree-sitter Wasm grammars.
TreeSitterWasmEngine
Host-provided WebAssembly engine boundary.
TreeSitterWasmInstantiation
TreeSitterWasmLanguage
Reference-counted language returned from a Wasm store.
TreeSitterWasmLanguageInstance
TreeSitterWasmModule
TreeSitterWasmResolvedImport
Result of the import-name policy used while instantiating a grammar.
TreeSitterWasmRuntime
TreeSitterWasmRuntimeConfiguration
TreeSitterWasmStore
Pure-Dart lifecycle and policy layer for a Tree-sitter Wasm store.
TSClock
Managed adaptation of Tree-sitter 0.25.10's monotonic TSClock.
TSDuration
Managed adaptation of Tree-sitter 0.25.10's TSDuration.

Enums

TreeSitterCaptureQuantifier
TreeSitterHighlightError
Reasons why native Tree-sitter highlighting can stop.
TreeSitterHighlightErrorCode
Result codes exposed by Tree-sitter's C highlighter facade.
TreeSitterInputEncoding
Native TSInputEncoding discriminants from Tree-sitter 0.25.10.
TreeSitterLogType
Parser log domains exposed by native Tree-sitter.
TreeSitterNativeQueryError
Native TSQueryError discriminants from Tree-sitter 0.25.10.
TreeSitterNativeWasmErrorKind
Native TSWasmErrorKind discriminants from Tree-sitter 0.25.10.
TreeSitterParseActionType
TreeSitterQueryErrorKind
TreeSitterQueryPredicateOperator
TreeSitterQueryPredicateStepType
Native TSQueryPredicateStepType discriminants from Tree-sitter 0.25.10.
TreeSitterQueryQuantifier
TreeSitterScmListKind
TreeSitterScmQueryFeatureKind
TreeSitterSymbolType
Native TSSymbolType discriminants from Tree-sitter 0.25.10.
TreeSitterTagsError
Exact TSTagsError discriminant order from Tree-sitter 0.25.10.
TreeSitterUtf16Encoding
TreeSitterWasmErrorKind
TreeSitterWasmImportSource

Constants

treeSitterBuiltinErrorRepeatSymbol → const int
treeSitterBuiltinErrorSymbol → const int
Native builtin TSSymbol values ((uint16_t)-1 and -2).
treeSitterHighlightCancellationCheckInterval → const int
Number of streamed highlighter items between cancellation checks.
treeSitterHighlightHtmlReserveCapacity → const int
Initial HTML byte capacity used by HtmlRenderer in 0.25.10.
treeSitterHighlightLinesReserveCapacity → const int
Initial line-offset capacity used by HtmlRenderer in 0.25.10.
treeSitterLanguageVersion → const int
Tree-sitter 0.25.10 generated-language ABI bounds.
treeSitterMinCompatibleLanguageVersion → const int
treeSitterStackVersionNone → const int
Exact uint32 sentinel used by native STACK_VERSION_NONE.
treeSitterStandardHighlightCaptureNames → const Set<String>
Canonical capture names accepted by tree-sitter-highlight 0.25.10.
treeSitterTableFormat → const String
treeSitterTagsBufferReserveCapacity → const int
Initial tag capacity used by the 0.25.10 C tags buffer.
treeSitterTagsCancellationCheckInterval → const int
Number of tag-query matches between cancellation checks in 0.25.10.
treeSitterTagsDocsReserveCapacity → const int
Initial documentation byte capacity used by the 0.25.10 C tags buffer.
treeSitterTagsMaxLineLength → const int
Maximum source-line byte length retained for a tag in 0.25.10.
treeSitterWasmBuiltinImports → const Set<String>
treeSitterWasmInitializerExports → const Set<String>
treeSitterWasmMaximumMemoryPages → const int
treeSitterWasmMemoryPageSize → const int
treeSitterWasmSerializationBufferSize → const int

Properties

treeSitterAllocator → TreeSitterAllocator
Process-wide Tree-sitter allocator callback registry.
final

Functions

clockAfter(TSClock base, TSDuration duration) → TSClock
Tree-sitter 0.25.10 clock_after for a normalized monotonic timespec.
clockIsGt(TSClock clock, TSClock other) → bool
Tree-sitter 0.25.10 strict lexicographic clock_is_gt comparison.
clockIsNull(TSClock clock) → bool
Tree-sitter 0.25.10 clock_is_null for the monotonic pair.
clockNow() → TSClock
Tree-sitter 0.25.10 clock_now, adapted to Dart's monotonic stopwatch.
clockNull() → TSClock
Tree-sitter 0.25.10 clock_null on CLOCK_MONOTONIC platforms.
durationFromMicros(BigInt microseconds) → TSDuration
Tree-sitter 0.25.10 duration_from_micros on CLOCK_MONOTONIC platforms.
durationToMicros(TSDuration duration) → BigInt
Tree-sitter 0.25.10 duration_to_micros on CLOCK_MONOTONIC platforms.
generatedChangedRangeHiddenIteratorAuditScenario(dynamic language, {GeneratedChangedRangeTrace? trace}) → String
Direct oracle for the invisible-root sentinel branch of iterator_get_visible_state and iterator_tree_is_visible.
generatedChangedRangeIteratorAuditScenario(GeneratedTreeSitterTree oldTree, GeneratedTreeSitterNode newRoot, {int? newRootTotalEndByte, TreeSitterTablePoint? newRootTotalEndPoint}) → List<String>
Produces the same direct iterator transition transcript as native_tree_sitter_0_25_changed_ranges_oracle.c.
generatedChangedRanges(GeneratedTreeSitterTree oldTree, GeneratedTreeSitterNode newRoot, {List<TreeSitterTableRange> newIncludedRanges = const [], int? newRootTotalEndByte, TreeSitterTablePoint? newRootTotalEndPoint, GeneratedChangedRangeTrace? trace}) → List<GeneratedTreeSitterChangedRange>
Compares an edited old generated tree with a newly parsed tree and returns the minimal structurally changed generated-node ranges.
generatedIncludedRangeDifferences(List<TreeSitterTableRange> oldRanges, List<TreeSitterTableRange> newRanges, {GeneratedChangedRangeTrace? trace}) → List<GeneratedTreeSitterChangedRange>
generatedRangeArrayAdd(List<GeneratedTreeSitterChangedRange> ranges, GeneratedChangedRangeLength start, GeneratedChangedRangeLength end, {GeneratedChangedRangeTrace? trace}) → void
generatedRangeArrayIntersects(List<GeneratedTreeSitterChangedRange> ranges, int startIndex, int startByte, int endByte, {GeneratedChangedRangeTrace? trace}) → bool
generatedSubtreeArrayClear(List<GeneratedTreeSitterNode> values) → void
generatedSubtreeArrayCopy(List<GeneratedTreeSitterNode> source) → List<GeneratedTreeSitterNode>
generatedSubtreeArrayRemoveTrailingExtras(List<GeneratedTreeSitterNode> source) → List<GeneratedTreeSitterNode>
generatedSubtreeArrayReverse(List<GeneratedTreeSitterNode> values) → void
generatedSubtreeCompare(GeneratedTreeSitterNode left, GeneratedTreeSitterNode right) → int
Exact symbol/child-count/pre-order comparison used by ts_subtree_compare. Source coordinates and other metadata deliberately do not participate.
generatedSubtreeCompress(GeneratedTreeSitterNode self, int count, {Set<GeneratedTreeSitterNode> sharedNodes = const <GeneratedTreeSitterNode>{}}) → GeneratedTreeSitterNode
Immutable counterpart of Tree-sitter 0.25.10's ts_subtree_compress rotation.
generatedSubtreeExternalScannerStateEquals(List<int> left, List<int> right) → bool
Managed counterpart of the native external-scanner state equality helper.
generatedSubtreeHasTrailingEmptyDescendant(GeneratedTreeSitterNode self, GeneratedTreeSitterNode other) → bool
Exact managed counterpart of the private node.c helper used to disambiguate zero-width previous siblings.
generatedSubtreeLastExternalToken(GeneratedTreeSitterNode tree) → GeneratedTreeSitterNode?
Returns the right-most external-token leaf, matching ts_subtree_last_external_token.
generatedSubtreeRepeatDepth(GeneratedTreeSitterNode node) → int
treeSitterArray025ParityProbe() → List<String>
Deterministic managed transcript corresponding to the pinned native Tree-sitter 0.25.10 array.h oracle.
treeSitterCharacterRangeSetContains(List<TreeSitterCharacterRange> ranges, int lookahead) → bool
Exact binary-search contract of Tree-sitter 0.25.10 set_contains.
treeSitterClock025ParityProbe() → List<String>
Deterministic managed transcript corresponding to the pinned native macOS CLOCK_MONOTONIC oracle.
treeSitterCopyWasmStrings(Uint8List memory, int arrayAddress, int count) → List<Uint8List?>
Copies a table of wasm32 string pointers as independent NUL-free bytes.
treeSitterCopyWasmUnsizedStaticArray(Uint8List memory, int startAddress, Iterable<int> allAddresses) → Uint8List?
Copies the static byte region ending at the nearest greater Wasm address.
treeSitterDecode(TreeSitterCustomDecoder decoder, List<int> bytes) → TreeSitterDecodeResult
Invokes a custom decoder with the borrowed input slice unchanged.
treeSitterDefaultAllocator025ParityProbe() → Map<String, Object?>
Function-boundary probe for the three default functions in alloc.c.
treeSitterFormatSExpression(String sExpression, [int initialIndentLevel = 0]) → String
Formats a compact Tree-sitter S-expression using the exact 0.25 state machine used by Rust's hidden format_sexp helper.
treeSitterManagedParserCoreAuditProbe() → Map<String, Object?>
Deterministic audit surface for managed-only parser value objects.
treeSitterParseWasmDylinkInfo(List<int> bytes) → TreeSitterWasmDylinkInfo?
Parses the WebAssembly dylink.0 memory-info subsection.
treeSitterPointLength025ParityProbe() → List<String>
Pinned Tree-sitter 0.25.10 point.h/length.h behavior transcript.
treeSitterReleaseWasmLanguageTable(TreeSitterLanguageTable language) → void
treeSitterResetAllocator() → void
Restores all four allocator callback slots to their Dart defaults.
treeSitterResolveWasmImport(String importName) → TreeSitterWasmResolvedImport?
Resolves an import using wasm_store.c's pinned name_eq behavior.
treeSitterRetainWasmLanguageTable(TreeSitterLanguageTable language) → bool
treeSitterRuntimeDecodeUtf16BigEndian(List<int> bytes) → TreeSitterDecodeResult
Pinned U16_NEXT_BE behavior used by the native UTF-16BE lexer path.
treeSitterRuntimeDecodeUtf16LittleEndian(List<int> bytes) → TreeSitterDecodeResult
Pinned U16_NEXT_LE behavior used by the native UTF-16LE lexer path.
treeSitterRuntimeDecodeUtf8(List<int> bytes) → TreeSitterDecodeResult
Pinned ICU U8_NEXT behavior used by generated and external lexer paths.
treeSitterSetAllocator({TreeSitterMallocFunction? malloc, TreeSitterCallocFunction? calloc, TreeSitterReallocFunction? realloc, TreeSitterFreeFunction? free}) → void
Installs Tree-sitter allocation callbacks, resetting every null slot to its default just like ts_set_allocator.
treeSitterStack025ParityProbe() → Map<String, Object?>
treeSitterSubtree025ParityProbe() → Map<String, Object?>
Runs deterministic state transitions through the actual managed GSS types.
treeSitterSubtreeHeader025ParityProbe() → Map<String, Object?>
Direct managed semantic transcript for every inline helper in the pinned Tree-sitter 0.25.10 subtree.h.
treeSitterTextProviderForByteSlice(Uint8List bytes) → TreeSitterQueryTextProvider
Creates Rust's TextProvider for &[u8] counterpart.
treeSitterValidateGrammarJson(String source) → void
Validates the lexical-empty-rule failures rejected by Tree-sitter 0.25.
treeSitterWasmIsInitializerExport(String exportName) → bool
Whether an exported function is called as a module initializer.
treeSitterWasmStdlibSymbols() → Iterable<String>
Symbols supplied by Tree-sitter's embedded Wasm C standard library.

Typedefs

TreeSitterByteInputCallback = List<int> Function(int byteOffset, TreeSitterPoint position)
Native-shaped callback input for a caller-defined byte encoding.
TreeSitterCallocFunction = Object? Function(int count, int size)
Dart counterpart of Tree-sitter's TSCalloc callback.
TreeSitterCustomDecoder = TreeSitterDecodeResult Function(List<int> bytes)
Decodes the first scalar in bytes. A zero-byte result is end of input.
TreeSitterDebugGraphSink = void Function(String dotFragment)
TreeSitterDecodeFunction = TreeSitterDecodeResult Function(List<int> bytes)
Native DecodeFunction callback shape without an FFI pointer dependency.
TreeSitterFieldId = int
Native TSFieldId value. Generated tables constrain values to uint16_t.
TreeSitterFreeFunction = void Function(Object? buffer)
Dart counterpart of Tree-sitter's TSFree callback.
TreeSitterHighlightAttributeCallback = void Function(TreeSitterHighlight highlight, List<int> html)
TreeSitterHighlightInjectionCallback = TreeSitterHighlightConfiguration? Function(String languageName)
TreeSitterLanguageBuilder = TreeSitterLanguageTable Function()
Generated-language factory equivalent to Rust's LanguageFn wrapper.
TreeSitterLogger = void Function(TreeSitterLogType type, String message)
TreeSitterMallocFunction = Object? Function(int size)
Dart counterpart of Tree-sitter's TSMalloc callback.
TreeSitterNativeInputRead = List<int> Function(Object? payload, int byteOffset, TreeSitterPoint position)
Native TSInput.read callback shape.
TreeSitterNativeLogCallback = void Function(Object? payload, TreeSitterLogType type, String message)
TreeSitterNativeProgressCallback = bool Function(TreeSitterNativeParseState state)
TreeSitterParserInternalTrace = void Function(String dotFragment)
Receives the pinned C-runtime name of each parser helper as its managed counterpart executes.
TreeSitterProgressCallback = bool Function(TreeSitterParseState state)
Returning true halts parsing and returns no tree. The runtime calls this during parsing and final tree balancing.
TreeSitterQueryProgressCallback = bool Function(TreeSitterQueryCursorState state)
TreeSitterQueryTextProvider = Iterable<List<int>> Function(TreeSitterNode node)
Supplies UTF-8 source chunks for a query capture candidate.
TreeSitterReallocFunction = Object? Function(Object? buffer, int size)
Dart counterpart of Tree-sitter's TSRealloc callback.
TreeSitterStackVersion = int
Managed scalar counterpart of native unsigned StackVersion.
TreeSitterStateId = int
Native TSStateId value. Generated tables constrain values to uint16_t.
TreeSitterSymbol = int
Native TSSymbol value. Generated tables constrain values to uint16_t.
TreeSitterUtf16InputCallback = List<int> Function(int byteOffset, TreeSitterPoint position)
Native-shaped callback input for UTF-16 parsing.
TreeSitterUtf8InputCallback = List<int> Function(int byteOffset, TreeSitterPoint position)
Native-shaped callback input for UTF-8 parsing.

Exceptions / Errors

GeneratedTreeSitterParseHalted
Internal nullable-parse signal for native timeout/cancellation/progress callbacks. It deliberately carries no partial tree.
TreeSitterAllocationError
Managed counterpart of Tree-sitter's fatal default-allocation failure.
TreeSitterGrammarValidationException
Error reported while validating a Tree-sitter grammar JSON definition.
TreeSitterHighlightFatalError
Managed fatal counterpart of c_lib.rs::unwrap.
TreeSitterIncludedRangesError
The native index-bearing error returned for an invalid included range.
TreeSitterLanguageError
An incompatible generated language passed to TreeSitterParser.setLanguage.
TreeSitterParseHaltedException
Raised by the non-null convenience parse methods when an opt-in native timeout, cancellation token, or progress callback halts parsing.
TreeSitterQueryCompileException
TreeSitterTagsCancelledException
Tag generation stopped after its cancellation token was set.
TreeSitterTagsException
Base class for Tree-sitter tag-generation failures.
TreeSitterTagsInvalidCaptureException
A capture name in a tags query is neither a tag role nor tags metadata.
TreeSitterTagsInvalidLanguageException
TreeSitterTagsQueryException
TreeSitterTagsRegexException
TreeSitterWasmError