microsoft / microsoft/monaco-editor

[Bug] Python string f''' triggering highlight error

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#4,947 1 comment 0 reactions 0 assignees View on GitHub

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Dominant language
JavaScript
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Forks
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Avg merge
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Description

Reproducible in vscode.dev or in VS Code Desktop?
  • Not reproducible in vscode.dev or VS Code Desktop
Reproducible in the monaco editor playground?
Monaco Editor Playground Link

No response

Monaco Editor Playground Code

Reproduction Steps

open https://microsoft.github.io/monaco-editor/

In the Editor section, select python language.

Paste the following legal python code:

a = 1
f'''
I have {a} apple.
'''

b = 2
c = 3

As the result, the code after the closing ''' is not rendering correct:

Image
Actual (Problematic) Behavior

the multiline-format string f''' doesn't close correctly.

Expected Behavior

No response

Additional Context

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start in the Monaco Editor playground's Editor section with Python selected and reproduce the issue using the supplied multiline f-string. Trace the Python syntax-highlighting entry point responsible for the closing triple quotes, then verify that the code after the closing delimiter renders normally.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
48/100

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