mirror of
https://github.com/pulsar-edit/pulsar.git
synced 2024-09-22 00:19:24 +03:00
440 lines
21 KiB
CoffeeScript
440 lines
21 KiB
CoffeeScript
TokenizedBuffer = require 'tokenized-buffer'
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LanguageMode = require 'language-mode'
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Buffer = require 'buffer'
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Range = require 'range'
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_ = require 'underscore'
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describe "TokenizedBuffer", ->
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[editSession, tokenizedBuffer, buffer, changeHandler] = []
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beforeEach ->
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# enable async tokenization
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TokenizedBuffer.prototype.chunkSize = 5
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jasmine.unspy(TokenizedBuffer.prototype, 'tokenizeInBackground')
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fullyTokenize = (tokenizedBuffer) ->
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advanceClock() while tokenizedBuffer.firstInvalidRow()?
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changeHandler?.reset()
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describe "when the buffer contains soft-tabs", ->
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beforeEach ->
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editSession = fixturesProject.buildEditSessionForPath('sample.js', autoIndent: false)
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buffer = editSession.buffer
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tokenizedBuffer = editSession.displayBuffer.tokenizedBuffer
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editSession.setVisible(true)
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changeHandler = jasmine.createSpy('changeHandler')
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tokenizedBuffer.on "changed", changeHandler
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afterEach ->
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editSession.destroy()
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describe "on construction", ->
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it "initially creates un-tokenized screen lines, then tokenizes lines chunk at a time in the background", ->
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line0 = tokenizedBuffer.lineForScreenRow(0)
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expect(line0.tokens.length).toBe 1
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expect(line0.tokens[0]).toEqual(value: line0.text, scopes: ['source.js'])
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line11 = tokenizedBuffer.lineForScreenRow(11)
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expect(line11.tokens.length).toBe 2
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expect(line11.tokens[0]).toEqual(value: " ", scopes: ['source.js'], isAtomic: true)
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expect(line11.tokens[1]).toEqual(value: "return sort(Array.apply(this, arguments));", scopes: ['source.js'])
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# background tokenization has not begun
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expect(tokenizedBuffer.lineForScreenRow(0).ruleStack).toBeUndefined()
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# tokenize chunk 1
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advanceClock()
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expect(tokenizedBuffer.lineForScreenRow(0).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(4).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(5).ruleStack?).toBeFalsy()
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expect(changeHandler).toHaveBeenCalledWith(start: 0, end: 4, delta: 0)
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changeHandler.reset()
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# tokenize chunk 2
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advanceClock()
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expect(tokenizedBuffer.lineForScreenRow(5).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(9).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(10).ruleStack?).toBeFalsy()
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expect(changeHandler).toHaveBeenCalledWith(start: 5, end: 9, delta: 0)
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changeHandler.reset()
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# tokenize last chunk
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advanceClock()
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expect(tokenizedBuffer.lineForScreenRow(10).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(12).ruleStack?).toBeTruthy()
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expect(changeHandler).toHaveBeenCalledWith(start: 10, end: 12, delta: 0)
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describe "when the buffer is partially tokenized", ->
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beforeEach ->
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# tokenize chunk 1 only
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advanceClock()
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changeHandler.reset()
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describe "when there is a buffer change inside the tokenized region", ->
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describe "when lines are added", ->
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it "pushes the invalid rows down", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.insert([1, 0], '\n\n')
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changeHandler.reset()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 7
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advanceClock()
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expect(changeHandler).toHaveBeenCalledWith(start: 7, end: 11, delta: 0)
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describe "when lines are removed", ->
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it "pulls the invalid rows up", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.delete([[1, 0], [3, 0]])
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changeHandler.reset()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 3
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advanceClock()
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expect(changeHandler).toHaveBeenCalledWith(start: 3, end: 7, delta: 0)
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describe "when the change invalidates all the lines before the current invalid region", ->
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it "retokenizes the invalidated lines and continues into the valid region", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.insert([2, 0], '/*')
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changeHandler.reset()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 3
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advanceClock()
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expect(changeHandler).toHaveBeenCalledWith(start: 3, end: 7, delta: 0)
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expect(tokenizedBuffer.firstInvalidRow()).toBe 8
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describe "when there is a buffer change surrounding an invalid row", ->
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it "pushes the invalid row to the end of the change", ->
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buffer.change([[4, 0], [6, 0]], "\n\n\n")
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changeHandler.reset()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 8
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advanceClock()
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describe "when there is a buffer change inside an invalid region", ->
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it "does not attempt to tokenize the lines in the change, and preserves the existing invalid row", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.change([[6, 0], [7, 0]], "\n\n\n")
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expect(tokenizedBuffer.lineForScreenRow(6).ruleStack?).toBeFalsy()
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expect(tokenizedBuffer.lineForScreenRow(7).ruleStack?).toBeFalsy()
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changeHandler.reset()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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describe "when the buffer is fully tokenized", ->
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beforeEach ->
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fullyTokenize(tokenizedBuffer)
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describe "when there is a buffer change that is smaller than the chunk size", ->
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describe "when lines are updated, but none are added or removed", ->
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it "updates tokens to reflect the change", ->
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buffer.change([[0, 0], [2, 0]], "foo()\n7\n")
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expect(tokenizedBuffer.lineForScreenRow(0).tokens[1]).toEqual(value: '(', scopes: ['source.js', 'meta.brace.round.js'])
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expect(tokenizedBuffer.lineForScreenRow(1).tokens[0]).toEqual(value: '7', scopes: ['source.js', 'constant.numeric.js'])
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# line 2 is unchanged
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expect(tokenizedBuffer.lineForScreenRow(2).tokens[2]).toEqual(value: 'if', scopes: ['source.js', 'keyword.control.js'])
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 0, end: 2, delta: 0)
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describe "when the change invalidates the tokenization of subsequent lines", ->
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it "schedules the invalidated lines to be tokenized in the background", ->
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buffer.insert([5, 30], '/* */')
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changeHandler.reset()
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buffer.insert([2, 0], '/*')
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[0].scopes).toEqual ['source.js']
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 2, end: 2, delta: 0)
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changeHandler.reset()
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advanceClock()
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(4).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 3, end: 5, delta: 0)
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it "resumes highlighting with the state of the previous line", ->
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buffer.insert([0, 0], '/*')
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buffer.insert([5, 0], '*/')
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buffer.insert([1, 0], 'var ')
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expect(tokenizedBuffer.lineForScreenRow(1).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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describe "when lines are both updated and removed", ->
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it "updates tokens to reflect the change", ->
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buffer.change([[1, 0], [3, 0]], "foo()")
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# previous line 0 remains
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expect(tokenizedBuffer.lineForScreenRow(0).tokens[0]).toEqual(value: 'var', scopes: ['source.js', 'storage.modifier.js'])
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# previous line 3 should be combined with input to form line 1
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expect(tokenizedBuffer.lineForScreenRow(1).tokens[0]).toEqual(value: 'foo', scopes: ['source.js'])
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expect(tokenizedBuffer.lineForScreenRow(1).tokens[6]).toEqual(value: '=', scopes: ['source.js', 'keyword.operator.js'])
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# lines below deleted regions should be shifted upward
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expect(tokenizedBuffer.lineForScreenRow(2).tokens[2]).toEqual(value: 'while', scopes: ['source.js', 'keyword.control.js'])
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[4]).toEqual(value: '=', scopes: ['source.js', 'keyword.operator.js'])
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expect(tokenizedBuffer.lineForScreenRow(4).tokens[4]).toEqual(value: '<', scopes: ['source.js', 'keyword.operator.js'])
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 1, end: 3, delta: -2)
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describe "when the change invalidates the tokenization of subsequent lines", ->
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it "schedules the invalidated lines to be tokenized in the background", ->
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buffer.insert([5, 30], '/* */')
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changeHandler.reset()
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buffer.change([[2, 0], [3, 0]], '/*')
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expect(tokenizedBuffer.lineForScreenRow(2).tokens[0].scopes).toEqual ['source.js', 'comment.block.js', 'punctuation.definition.comment.js']
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[0].scopes).toEqual ['source.js']
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 2, end: 3, delta: -1)
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changeHandler.reset()
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advanceClock()
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(4).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 3, end: 4, delta: 0)
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describe "when lines are both updated and inserted", ->
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it "updates tokens to reflect the change", ->
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buffer.change([[1, 0], [2, 0]], "foo()\nbar()\nbaz()\nquux()")
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# previous line 0 remains
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expect(tokenizedBuffer.lineForScreenRow(0).tokens[0]).toEqual( value: 'var', scopes: ['source.js', 'storage.modifier.js'])
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# 3 new lines inserted
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expect(tokenizedBuffer.lineForScreenRow(1).tokens[0]).toEqual(value: 'foo', scopes: ['source.js'])
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expect(tokenizedBuffer.lineForScreenRow(2).tokens[0]).toEqual(value: 'bar', scopes: ['source.js'])
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[0]).toEqual(value: 'baz', scopes: ['source.js'])
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# previous line 2 is joined with quux() on line 4
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expect(tokenizedBuffer.lineForScreenRow(4).tokens[0]).toEqual(value: 'quux', scopes: ['source.js'])
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expect(tokenizedBuffer.lineForScreenRow(4).tokens[4]).toEqual(value: 'if', scopes: ['source.js', 'keyword.control.js'])
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# previous line 3 is pushed down to become line 5
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[4]).toEqual(value: '=', scopes: ['source.js', 'keyword.operator.js'])
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 1, end: 2, delta: 2)
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describe "when the change invalidates the tokenization of subsequent lines", ->
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it "schedules the invalidated lines to be tokenized in the background", ->
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buffer.insert([5, 30], '/* */')
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changeHandler.reset()
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buffer.insert([2, 0], '/*\nabcde\nabcder')
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 2, end: 2, delta: 2)
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expect(tokenizedBuffer.lineForScreenRow(2).tokens[0].scopes).toEqual ['source.js', 'comment.block.js', 'punctuation.definition.comment.js']
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expect(tokenizedBuffer.lineForScreenRow(3).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(4).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].scopes).toEqual ['source.js']
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changeHandler.reset()
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advanceClock() # tokenize invalidated lines in background
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(6).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(7).tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.lineForScreenRow(8).tokens[0].scopes).not.toBe ['source.js', 'comment.block.js']
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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delete event.bufferChange
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expect(event).toEqual(start: 5, end: 7, delta: 0)
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describe "when there is an insertion that is larger than the chunk size", ->
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it "tokenizes the initial chunk synchronously, then tokenizes the remaining lines in the background", ->
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commentBlock = _.multiplyString("// a comment\n", tokenizedBuffer.chunkSize + 2)
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buffer.insert([0,0], commentBlock)
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expect(tokenizedBuffer.lineForScreenRow(0).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(4).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(5).ruleStack?).toBeFalsy()
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advanceClock()
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expect(tokenizedBuffer.lineForScreenRow(5).ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(6).ruleStack?).toBeTruthy()
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describe ".findOpeningBracket(closingBufferPosition)", ->
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it "returns the position of the matching bracket, skipping any nested brackets", ->
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expect(tokenizedBuffer.findOpeningBracket([9, 2])).toEqual [1, 29]
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describe ".findClosingBracket(startBufferPosition)", ->
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it "returns the position of the matching bracket, skipping any nested brackets", ->
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expect(tokenizedBuffer.findClosingBracket([1, 29])).toEqual [9, 2]
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it "tokenizes leading whitespace based on the new tab length", ->
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].isAtomic).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].value).toBe " "
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[1].isAtomic).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[1].value).toBe " "
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tokenizedBuffer.setTabLength(4)
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fullyTokenize(tokenizedBuffer)
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].isAtomic).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[0].value).toBe " "
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[1].isAtomic).toBeFalsy()
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expect(tokenizedBuffer.lineForScreenRow(5).tokens[1].value).toBe " current "
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describe "when the buffer contains hard-tabs", ->
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beforeEach ->
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tabLength = 2
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editSession = fixturesProject.buildEditSessionForPath('sample-with-tabs.coffee', { tabLength })
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buffer = editSession.buffer
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tokenizedBuffer = editSession.displayBuffer.tokenizedBuffer
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editSession.setVisible(true)
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afterEach ->
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editSession.destroy()
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describe "when the buffer is fully tokenized", ->
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beforeEach ->
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fullyTokenize(tokenizedBuffer)
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it "renders each tab as its own atomic token with a value of size tabLength", ->
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tabAsSpaces = _.multiplyString(' ', editSession.getTabLength())
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screenLine0 = tokenizedBuffer.lineForScreenRow(0)
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expect(screenLine0.text).toBe "# Econ 101#{tabAsSpaces}"
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{ tokens } = screenLine0
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expect(tokens.length).toBe 3
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expect(tokens[0].value).toBe "#"
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expect(tokens[1].value).toBe " Econ 101"
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expect(tokens[2].value).toBe tabAsSpaces
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expect(tokens[2].scopes).toEqual tokens[1].scopes
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expect(tokens[2].isAtomic).toBeTruthy()
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expect(tokenizedBuffer.lineForScreenRow(2).text).toBe "#{tabAsSpaces} buy()#{tabAsSpaces}while supply > demand"
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describe "when a Git commit message file is tokenized", ->
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beforeEach ->
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editSession = fixturesProject.buildEditSessionForPath('COMMIT_EDITMSG', autoIndent: false)
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buffer = editSession.buffer
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tokenizedBuffer = editSession.displayBuffer.tokenizedBuffer
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editSession.setVisible(true)
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fullyTokenize(tokenizedBuffer)
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afterEach ->
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editSession.destroy()
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it "correctly parses a long line", ->
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longLine = tokenizedBuffer.lineForScreenRow(0)
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expect(longLine.text).toBe "longggggggggggggggggggggggggggggggggggggggggggggggg"
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{ tokens } = longLine
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expect(tokens[0].value).toBe "longggggggggggggggggggggggggggggggggggggggggggggggg"
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expect(tokens[0].scopes).toEqual ["text.git-commit", "meta.scope.message.git-commit", "invalid.deprecated.line-too-long.git-commit"]
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it "correctly parses the number sign of the first comment line", ->
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commentLine = tokenizedBuffer.lineForScreenRow(1)
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expect(commentLine.text).toBe "# Please enter the commit message for your changes. Lines starting"
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{ tokens } = commentLine
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expect(tokens[0].value).toBe "#"
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expect(tokens[0].scopes).toEqual ["text.git-commit", "meta.scope.metadata.git-commit", "comment.line.number-sign.git-commit", "punctuation.definition.comment.git-commit"]
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describe "when a C++ source file is tokenized", ->
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beforeEach ->
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editSession = fixturesProject.buildEditSessionForPath('includes.cc', autoIndent: false)
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buffer = editSession.buffer
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tokenizedBuffer = editSession.displayBuffer.tokenizedBuffer
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editSession.setVisible(true)
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fullyTokenize(tokenizedBuffer)
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afterEach ->
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editSession.destroy()
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it "correctly parses the first include line", ->
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longLine = tokenizedBuffer.lineForScreenRow(0)
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expect(longLine.text).toBe '#include "a.h"'
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{ tokens } = longLine
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expect(tokens[0].value).toBe "#"
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expect(tokens[0].scopes).toEqual ["source.c++", "meta.preprocessor.c.include"]
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expect(tokens[1].value).toBe 'include'
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expect(tokens[1].scopes).toEqual ["source.c++", "meta.preprocessor.c.include", "keyword.control.import.include.c"]
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it "correctly parses the second include line", ->
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commentLine = tokenizedBuffer.lineForScreenRow(1)
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expect(commentLine.text).toBe '#include "b.h"'
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{ tokens } = commentLine
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expect(tokens[0].value).toBe "#"
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expect(tokens[0].scopes).toEqual ["source.c++", "meta.preprocessor.c.include"]
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expect(tokens[1].value).toBe 'include'
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expect(tokens[1].scopes).toEqual ["source.c++", "meta.preprocessor.c.include", "keyword.control.import.include.c"]
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describe "when a Ruby source file is tokenized", ->
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beforeEach ->
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editSession = fixturesProject.buildEditSessionForPath('hello.rb', autoIndent: false)
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buffer = editSession.buffer
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tokenizedBuffer = editSession.displayBuffer.tokenizedBuffer
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editSession.setVisible(true)
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fullyTokenize(tokenizedBuffer)
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afterEach ->
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editSession.destroy()
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it "doesn't loop infinitely (regression)", ->
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expect(tokenizedBuffer.lineForScreenRow(0).text).toBe 'a = {'
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expect(tokenizedBuffer.lineForScreenRow(1).text).toBe ' "b" => "c",'
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expect(tokenizedBuffer.lineForScreenRow(2).text).toBe '}'
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expect(tokenizedBuffer.lineForScreenRow(3).text).toBe ''
|
|
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|
describe "when an Objective-C source file is tokenized", ->
|
|
beforeEach ->
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|
editSession = fixturesProject.buildEditSessionForPath('function.mm', autoIndent: false)
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|
buffer = editSession.buffer
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|
tokenizedBuffer = editSession.displayBuffer.tokenizedBuffer
|
|
editSession.setVisible(true)
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|
fullyTokenize(tokenizedBuffer)
|
|
|
|
afterEach ->
|
|
editSession.destroy()
|
|
|
|
it "correctly parses variable type when it is a built-in Cocoa class", ->
|
|
commentLine = tokenizedBuffer.lineForScreenRow(1)
|
|
expect(commentLine.text).toBe 'NSString *a = @"a\\nb";'
|
|
{ tokens } = commentLine
|
|
|
|
expect(tokens[0].value).toBe "NSString"
|
|
expect(tokens[0].scopes).toEqual ["source.objc++", "meta.function.c", "meta.block.c", "support.class.cocoa"]
|
|
|
|
it "correctly parses the semicolon at the end of the line", ->
|
|
commentLine = tokenizedBuffer.lineForScreenRow(1)
|
|
expect(commentLine.text).toBe 'NSString *a = @"a\\nb";'
|
|
{ tokens } = commentLine
|
|
|
|
lastToken = tokens.length - 1
|
|
expect(lastToken).toBeGreaterThan 0
|
|
expect(tokens[lastToken].value).toBe ";"
|
|
expect(tokens[lastToken].scopes).toEqual ["source.objc++", "meta.function.c", "meta.block.c"]
|
|
|
|
it "correctly parses the string characters before the escaped character", ->
|
|
commentLine = tokenizedBuffer.lineForScreenRow(1)
|
|
expect(commentLine.text).toBe 'NSString *a = @"a\\nb";'
|
|
{ tokens } = commentLine
|
|
|
|
expect(tokens[2].value).toBe '@"'
|
|
expect(tokens[2].scopes).toEqual ["source.objc++", "meta.function.c", "meta.block.c", "string.quoted.double.objc", "punctuation.definition.string.begin.objc"]
|