Merge pull request #17923 from atom/mb-tree-sitter-sync-updates

Update Tree-sitter syntax highlighting synchronously for parses that complete sync
2026-01-26 23:38:48 -05:00 · 2018-08-24 11:44:46 -07:00
parent d1236414e8 4d3a9ec17b
commit bc00369f7f
7 changed files with 69 additions and 85 deletions
--- a/spec/sample-with-comments.js
+++ b/spec/sample-with-comments.js
@@ -1 +0,0 @@
-undefined
--- a/spec/text-editor-registry-spec.js
+++ b/spec/text-editor-registry-spec.js
@@ -1,6 +1,7 @@
 const TextEditorRegistry = require('../src/text-editor-registry')
 const TextEditor = require('../src/text-editor')
 const TextBuffer = require('text-buffer')
+const {Point, Range} = TextBuffer
 const {it, fit, ffit, fffit} = require('./async-spec-helpers')
 const dedent = require('dedent')

@@ -257,19 +258,19 @@ describe('TextEditorRegistry', function () {

    describe('when the "tabType" config setting is "auto"', function () {
      it('enables or disables soft tabs based on the editor\'s content', async function () {
+        await initialPackageActivation
        await atom.packages.activatePackage('language-javascript')
        atom.grammars.assignLanguageMode(editor, 'source.js')
        atom.config.set('editor.tabType', 'auto')
-
-        registry.maintainConfig(editor)
        await initialPackageActivation
+        const languageMode = editor.getBuffer().getLanguageMode()

        editor.setText(dedent`
          {
            hello;
          }
        `)
-        editor.getBuffer().getLanguageMode().retokenizeLines()
+        let disposable = registry.maintainConfig(editor)
        expect(editor.getSoftTabs()).toBe(true)

        editor.setText(dedent`
@@ -277,18 +278,17 @@ describe('TextEditorRegistry', function () {
          	hello;
          }
        `)
-        editor.getBuffer().getLanguageMode().retokenizeLines()
+        disposable.dispose()
+        disposable = registry.maintainConfig(editor)
        expect(editor.getSoftTabs()).toBe(false)

-        editor.setText(dedent`
+        editor.setTextInBufferRange(new Range(Point.ZERO, Point.ZERO), dedent`
          /*
           * Comment with a leading space.
           */
-          {
-          ${'\t'}hello;
-          }
-        ` + editor.getText())
-        editor.getBuffer().getLanguageMode().retokenizeLines()
+        ` + '\n')
+        disposable.dispose()
+        disposable = registry.maintainConfig(editor)
        expect(editor.getSoftTabs()).toBe(false)

        editor.setText(dedent`
@@ -300,8 +300,8 @@ describe('TextEditorRegistry', function () {
          	hello;
          }
        `)
-
-        editor.getBuffer().getLanguageMode().retokenizeLines()
+        disposable.dispose()
+        disposable = registry.maintainConfig(editor)
        expect(editor.getSoftTabs()).toBe(false)

        editor.setText(dedent`
@@ -313,7 +313,8 @@ describe('TextEditorRegistry', function () {
            hello;
          }
        `)
-        editor.getBuffer().getLanguageMode().retokenizeLines()
+        disposable.dispose()
+        disposable = registry.maintainConfig(editor)
        expect(editor.getSoftTabs()).toBe(true)
      })
    })
--- a/spec/tree-sitter-language-mode-spec.js
+++ b/spec/tree-sitter-language-mode-spec.js
@@ -39,7 +39,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [[
        {text: 'aa.', scopes: ['source']},
@@ -69,7 +68,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [[
        {text: 'a', scopes: ['source', 'variable']},
@@ -96,7 +94,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [
        [
@@ -124,7 +121,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expect(
        languageMode.tree.rootNode.descendantForPosition(Point(1, 2), Point(1, 6)).toString()
@@ -169,7 +165,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      // missing closing paren
      expectTokensToEqual(editor, [
@@ -208,7 +203,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [
        [
@@ -241,7 +235,6 @@ describe('TreeSitterLanguageMode', () => {
      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)

-      await nextHighlightingUpdate(languageMode)
      expectTokensToEqual(editor, [
        [{text: '// abc', scopes: ['comment']}],
        [{text: '', scopes: []}],
@@ -254,7 +247,6 @@ describe('TreeSitterLanguageMode', () => {
      ])

      buffer.insert([2, 0], '  ')
-      await nextHighlightingUpdate(languageMode)
      expectTokensToEqual(editor, [
        [{text: '// abc', scopes: ['comment']}],
        [{text: '', scopes: []}],
@@ -282,7 +274,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [
        [
@@ -324,7 +315,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      editor.foldBufferRange([[0, 2], [2, 0]])

@@ -361,7 +351,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [
        [
@@ -394,7 +383,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expectTokensToEqual(editor, [
        [
@@ -422,7 +410,7 @@ describe('TreeSitterLanguageMode', () => {

        buffer.setText('abc;');

-        const languageMode = new TreeSitterLanguageMode({buffer, grammar})
+        const languageMode = new TreeSitterLanguageMode({buffer, grammar, syncOperationLimit: 0})
        buffer.setLanguageMode(languageMode)
        await nextHighlightingUpdate(languageMode)
        await new Promise(process.nextTick)
@@ -509,8 +497,6 @@ describe('TreeSitterLanguageMode', () => {

        const languageMode = new TreeSitterLanguageMode({buffer, grammar: jsGrammar, grammars: atom.grammars})
        buffer.setLanguageMode(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)

        expectTokensToEqual(editor, [
          [
@@ -570,8 +556,6 @@ describe('TreeSitterLanguageMode', () => {

        const languageMode = new TreeSitterLanguageMode({buffer, grammar: htmlGrammar, grammars: atom.grammars})
        buffer.setLanguageMode(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)

        expectTokensToEqual(editor, [
          [
@@ -608,7 +592,6 @@ describe('TreeSitterLanguageMode', () => {
        const languageMode = new TreeSitterLanguageMode({buffer, grammar: jsGrammar, grammars: atom.grammars})
        buffer.setLanguageMode(languageMode)

-        await nextHighlightingUpdate(languageMode)
        expectTokensToEqual(editor, [
          [
            {text: 'node.', scopes: []},
@@ -683,14 +666,13 @@ describe('TreeSitterLanguageMode', () => {
        atom.grammars.addGrammar(htmlGrammar)

        buffer.setText('<body>\n<script>\nb(<%= c.d %>)\n</script>\n</body>')
-        const languageMode = new TreeSitterLanguageMode({buffer, grammar: ejsGrammar, grammars: atom.grammars})
+        const languageMode = new TreeSitterLanguageMode({
+          buffer,
+          grammar: ejsGrammar,
+          grammars: atom.grammars,
+        })
        buffer.setLanguageMode(languageMode)

-        // Parse EJS, then HTML and template JS in parallel, then script tag JS
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)
-
        expectTokensToEqual(editor, [
          [
            {text: '<', scopes: ['html']},
@@ -752,7 +734,12 @@ describe('TreeSitterLanguageMode', () => {
        atom.grammars.addGrammar(htmlGrammar)
        buffer.setText('<script>\nhello();\n</script>')

-        const languageMode = new TreeSitterLanguageMode({buffer, grammar: htmlGrammar, grammars: atom.grammars})
+        const languageMode = new TreeSitterLanguageMode({
+          buffer,
+          grammar: htmlGrammar,
+          grammars: atom.grammars,
+          syncOperationLimit: 0
+        })
        buffer.setLanguageMode(languageMode)

        await promise
@@ -789,7 +776,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expect(editor.isFoldableAtBufferRow(0)).toBe(false)
      expect(editor.isFoldableAtBufferRow(1)).toBe(true)
@@ -844,7 +830,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      // Avoid bringing the `else if...` up onto the same screen line as the preceding `if`.
      editor.foldBufferRow(1)
@@ -900,7 +885,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expect(editor.isFoldableAtBufferRow(0)).toBe(true)
      expect(editor.isFoldableAtBufferRow(1)).toBe(false)
@@ -949,7 +933,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expect(editor.isFoldableAtBufferRow(0)).toBe(true)
      expect(editor.isFoldableAtBufferRow(1)).toBe(false)
@@ -1024,7 +1007,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      editor.foldBufferRow(3)
      expect(getDisplayText(editor)).toBe(dedent `
@@ -1106,7 +1088,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      // Void elements have only one child
      expect(editor.isFoldableAtBufferRow(1)).toBe(false)
@@ -1159,7 +1140,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)

      expect(languageMode.tree.rootNode.toString()).toBe(
        "(program (if (identifier) " +
@@ -1229,7 +1209,6 @@ describe('TreeSitterLanguageMode', () => {
        `)

        buffer.setLanguageMode(new TreeSitterLanguageMode({buffer, grammar}))
-        await nextHighlightingUpdate(buffer.getLanguageMode())

        editor.foldBufferRow(0)
        expect(getDisplayText(editor)).toBe(dedent `
@@ -1289,9 +1268,6 @@ describe('TreeSitterLanguageMode', () => {
      const languageMode = new TreeSitterLanguageMode({buffer, grammar: jsGrammar, grammars: atom.grammars})
      buffer.setLanguageMode(languageMode)

-      await nextHighlightingUpdate(languageMode)
-      await nextHighlightingUpdate(languageMode)
-
      editor.foldBufferRow(2)
      expect(getDisplayText(editor)).toBe(
        `a = html \`
@@ -1334,7 +1310,6 @@ describe('TreeSitterLanguageMode', () => {
      buffer.setText('foo({bar: baz});')

      buffer.setLanguageMode(new TreeSitterLanguageMode({buffer, grammar}))
-      await nextHighlightingUpdate(buffer.getLanguageMode())
      expect(editor.scopeDescriptorForBufferPosition([0, 'foo({b'.length]).getScopesArray()).toEqual([
        'source.js',
        'property.name'
@@ -1385,9 +1360,6 @@ describe('TreeSitterLanguageMode', () => {

      const languageMode = new TreeSitterLanguageMode({buffer, grammar: htmlGrammar, grammars: atom.grammars})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)
-      await nextHighlightingUpdate(languageMode)
-      await nextHighlightingUpdate(languageMode)

      const position = buffer.findSync('name').start
      expect(languageMode.scopeDescriptorForPosition(position).getScopesArray()).toEqual([
@@ -1412,7 +1384,6 @@ describe('TreeSitterLanguageMode', () => {
        buffer.setText('foo({bar: baz});')

        buffer.setLanguageMode(new TreeSitterLanguageMode({buffer, grammar}))
-        await nextHighlightingUpdate(buffer.getLanguageMode())
        expect(editor.bufferRangeForScopeAtPosition(null, [0, 6])).toEqual(
          [[0, 5], [0, 8]]
        )
@@ -1453,9 +1424,6 @@ describe('TreeSitterLanguageMode', () => {

        const languageMode = new TreeSitterLanguageMode({buffer, grammar: htmlGrammar, grammars: atom.grammars})
        buffer.setLanguageMode(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)

        const nameProperty = buffer.findSync('name')
        const {start} = nameProperty
@@ -1475,7 +1443,6 @@ describe('TreeSitterLanguageMode', () => {
        buffer.setText('foo({bar: baz});')

        buffer.setLanguageMode(new TreeSitterLanguageMode({buffer, grammar}))
-        await nextHighlightingUpdate(buffer.getLanguageMode())
        expect(editor.bufferRangeForScopeAtPosition('.property_identifier', [0, 6])).toEqual(
          buffer.findSync('bar')
        )
@@ -1519,9 +1486,6 @@ describe('TreeSitterLanguageMode', () => {

        const languageMode = new TreeSitterLanguageMode({buffer, grammar: htmlGrammar, grammars: atom.grammars})
        buffer.setLanguageMode(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)

        const nameProperty = buffer.findSync('name')
        const {start} = nameProperty
@@ -1564,9 +1528,6 @@ describe('TreeSitterLanguageMode', () => {

        const languageMode = new TreeSitterLanguageMode({buffer, grammar: htmlGrammar, grammars: atom.grammars})
        buffer.setLanguageMode(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)
-        await nextHighlightingUpdate(languageMode)

        const nameProperty = buffer.findSync('name')
        const {start} = nameProperty
@@ -1589,7 +1550,6 @@ describe('TreeSitterLanguageMode', () => {
      buffer.setText('foo(bar({x: 2}));')
      const languageMode = new TreeSitterLanguageMode({buffer, grammar})
      buffer.setLanguageMode(languageMode)
-      await nextHighlightingUpdate(languageMode)
      expect(languageMode.getSyntaxNodeAtPosition([0, 6]).range).toEqual(
        buffer.findSync('bar')
      )
@@ -1616,7 +1576,6 @@ describe('TreeSitterLanguageMode', () => {
      `)

      buffer.setLanguageMode(new TreeSitterLanguageMode({buffer, grammar}))
-      await nextHighlightingUpdate(buffer.getLanguageMode())

      editor.setCursorBufferPosition([1, 3])
      editor.selectLargerSyntaxNode()
@@ -1674,9 +1633,6 @@ describe('TreeSitterLanguageMode', () => {
      const languageMode = new TreeSitterLanguageMode({buffer, grammar: jsGrammar, grammars: atom.grammars})
      buffer.setLanguageMode(languageMode)

-      await nextHighlightingUpdate(languageMode)
-      await nextHighlightingUpdate(languageMode)
-
      editor.setCursorBufferPosition({row: 0, column: buffer.getText().indexOf('ef()')})
      editor.selectLargerSyntaxNode()
      expect(editor.getSelectedText()).toBe('def')
--- a/src/grammar-registry.js
+++ b/src/grammar-registry.js
@@ -134,7 +134,7 @@ class GrammarRegistry {
    }

    this.grammarScoresByBuffer.set(buffer, null)
-    if (grammar.scopeName !== buffer.getLanguageMode().getLanguageId()) {
+    if (grammar !== buffer.getLanguageMode().grammar) {
      buffer.setLanguageMode(this.languageModeForGrammarAndBuffer(grammar, buffer))
    }

@@ -161,7 +161,7 @@ class GrammarRegistry {
    )
    this.languageOverridesByBufferId.delete(buffer.id)
    this.grammarScoresByBuffer.set(buffer, result.score)
-    if (result.grammar.scopeName !== buffer.getLanguageMode().getLanguageId()) {
+    if (result.grammar !== buffer.getLanguageMode().grammar) {
      buffer.setLanguageMode(this.languageModeForGrammarAndBuffer(result.grammar, buffer))
    }
  }
--- a/src/text-editor-registry.js
+++ b/src/text-editor-registry.js
@@ -218,7 +218,7 @@ class TextEditorRegistry {
  async updateAndMonitorEditorSettings (editor, oldLanguageMode) {
    await this.initialPackageActivationPromise
    this.updateEditorSettingsForLanguageMode(editor, oldLanguageMode)
-    await this.subscribeToSettingsForEditorScope(editor)
+    this.subscribeToSettingsForEditorScope(editor)
  }

  updateEditorSettingsForLanguageMode (editor, oldLanguageMode) {
@@ -246,7 +246,9 @@ class TextEditorRegistry {
    }
  }

-  async subscribeToSettingsForEditorScope (editor) {
+  subscribeToSettingsForEditorScope (editor) {
+    if (!this.editorsWithMaintainedConfig) return
+
    const scopeDescriptor = editor.getRootScopeDescriptor()
    const scopeChain = scopeDescriptor.getScopeChain()

--- a/src/text-editor.js
+++ b/src/text-editor.js
@@ -4843,7 +4843,7 @@ class TextEditor {

    let endRow = bufferRow
    const rowCount = this.getLineCount()
-    while (endRow < rowCount) {
+    while (endRow + 1 < rowCount) {
      if (!NON_WHITESPACE_REGEXP.test(this.lineTextForBufferRow(endRow + 1))) break
      if (languageMode.isRowCommented(endRow + 1) !== isCommented) break
      endRow++
--- a/src/tree-sitter-language-mode.js
+++ b/src/tree-sitter-language-mode.js
@@ -23,7 +23,7 @@ class TreeSitterLanguageMode {
    }
  }

-  constructor ({buffer, grammar, config, grammars}) {
+  constructor ({buffer, grammar, config, grammars, syncOperationLimit}) {
    TreeSitterLanguageMode._patchSyntaxNode()
    this.id = nextId++
    this.buffer = buffer
@@ -34,6 +34,10 @@ class TreeSitterLanguageMode {
    this.rootLanguageLayer = new LanguageLayer(this, grammar)
    this.injectionsMarkerLayer = buffer.addMarkerLayer()

+    if (syncOperationLimit != null) {
+      this.syncOperationLimit = syncOperationLimit
+    }
+
    this.rootScopeDescriptor = new ScopeDescriptor({scopes: [this.grammar.scopeName]})
    this.emitter = new Emitter()
    this.isFoldableCache = []
@@ -83,15 +87,23 @@ class TreeSitterLanguageMode {
    }
  }

-  async parse (language, oldTree, ranges) {
+  parse (language, oldTree, ranges) {
    const parser = PARSER_POOL.pop() || new Parser()
    parser.setLanguage(language)
-    const newTree = await parser.parseTextBuffer(this.buffer.buffer, oldTree, {
-      syncOperationLimit: 1000,
+    const result = parser.parseTextBuffer(this.buffer.buffer, oldTree, {
+      syncOperationLimit: this.syncOperationLimit,
      includedRanges: ranges
    })
-    PARSER_POOL.push(parser)
-    return newTree
+
+    if (result.then) {
+      return result.then(tree => {
+        PARSER_POOL.push(parser)
+        return tree
+      })
+    } else {
+      PARSER_POOL.push(parser)
+      return result
+    }
  }

  get tree () {
@@ -107,6 +119,7 @@ class TreeSitterLanguageMode {
  */

  buildHighlightIterator () {
+    if (!this.rootLanguageLayer) return new NullHighlightIterator()
    const layerIterators = [
      this.rootLanguageLayer.buildHighlightIterator(),
      ...this.injectionsMarkerLayer.getMarkers().map(m => m.languageLayer.buildHighlightIterator())
@@ -134,7 +147,15 @@ class TreeSitterLanguageMode {
    return this.grammar.commentStrings
  }

-  isRowCommented () {
+  isRowCommented (row) {
+    const firstNonWhitespaceRange = this.buffer.findInRangeSync(
+      /\S/,
+      new Range(new Point(row, 0), new Point(row, Infinity))
+    )
+    if (firstNonWhitespaceRange) {
+      const firstNode = this.getSyntaxNodeContainingRange(firstNonWhitespaceRange)
+      if (firstNode) return firstNode.type.includes('comment')
+    }
    return false
  }

@@ -265,7 +286,9 @@ class TreeSitterLanguageMode {
  }

  _forEachTreeWithRange (range, callback) {
-    callback(this.rootLanguageLayer.tree, this.rootLanguageLayer.grammar)
+    if (this.rootLanguageLayer.tree) {
+      callback(this.rootLanguageLayer.tree, this.rootLanguageLayer.grammar)
+    }

    const injectionMarkers = this.injectionsMarkerLayer.findMarkers({
      intersectsRange: range
@@ -523,11 +546,12 @@ class LanguageLayer {
    this.editedRange = null

    this.patchSinceCurrentParseStarted = new Patch()
-    const tree = await this.languageMode.parse(
+    let tree = this.languageMode.parse(
      this.grammar.languageModule,
      this.tree,
      includedRanges
    )
+    if (tree.then) tree = await tree
    tree.buffer = this.languageMode.buffer

    const changes = this.patchSinceCurrentParseStarted.getChanges()
@@ -1061,11 +1085,13 @@ function hasMatchingFoldSpec (specs, node) {
  'increaseIndentRegexForScopeDescriptor',
  'decreaseIndentRegexForScopeDescriptor',
  'decreaseNextIndentRegexForScopeDescriptor',
-  'regexForPattern'
+  'regexForPattern',
+  'getNonWordCharacters'
 ].forEach(methodName => {
  TreeSitterLanguageMode.prototype[methodName] = TextMateLanguageMode.prototype[methodName]
 })

 TreeSitterLanguageMode.LanguageLayer = LanguageLayer
+TreeSitterLanguageMode.prototype.syncOperationLimit = 1000

 module.exports = TreeSitterLanguageMode