Highlight initial variable assignment in python with VSCode

Question

I would like to use tokenColor in Visual Studio Code to highlight the initial binding of a variable in python. That is to say, the first time a variable name appears in its scope, I would like it to have a different color. This would usually be where the keyword "let" or "var" would be used in JavaScript. How would I go about adding this to VSCode?

Matt Bierner · Accepted Answer · 2018-09-17 16:27:41Z

1

This is not possible using a simple language grammar as it requires understanding the structure of the program itself (i.e. understanding what are initial bindings vs re-assignments). This type of highlighting is called semantic highlighting.

As of VS Code 1.29, you can implement a custom version of semantic coloring using decorators. A proper semantic highlighting api is tracked by this issue

answered Sep 17, 2018 at 16:27

Matt Bierner

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