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Jun 18, 2015 at 07:17
Writing an autocomplete tool for IDEs is an interesting problem. Rust is using AST pruning, C# uses lazy compilation http://t.co/zabM0tsthH

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Mar 29, 2026 at 13:54
1
The author of rust-analyzer discussing how language features help or hinder fast IDEs. If you allow `from m import *` you can't analyse files in isolation, and it's even harder in Rust.
Against Query Based Compilers
Query based compilers are all the rage these days, so it feels only appropriate to chart some treacherous shoals in those waters.
Oct 24, 2023 at 03:01
Really thoughtful critique of the Language Server Protocol, what IDEs need to express, and the design decisions made.
LSP could have been better
We talk about programming like it is about writing code, but the code ends up being less important than the architecture, and the architecture ends up being less important than social issues.
May 26, 2023 at 03:07
Writing a parser that is resilient to syntax errors, and why a parser should always return something: https://duriansoftware.com/joe/constructing-human-grade-parsers (The latter property is important in e.g. IDEs and it's rarely discussed!)
Constructing human-grade parsers