Anders Hejlsberg on Modern Compiler Construction

Why HN readers recommended it

It is the standard reference for why modern compilers and language servers differ from textbook designs, cited in rust-analyzer and parsing threads.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Kasper

Topic

modern compiler construction

Format

lecture

Level

intermediate

HN recommenders in dataset

4

HN mentions in dataset

10

Recommendation years in dataset

2018–2023

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• To better understand why this project is trying to re-implement the compiler frontend, I really recommend this video from Anders Hejlsberg (creator of C# and TypeScript) explaining how modern compiler construction oriented towards IDE works: [VIDEO]

• Microsoft's Roslyn [1] design (now called .NET Compiler Platform) is what I think any language should strive for, turning the classical black box of the compiler into an incremental pipeline where each stage is annotated/augmented/refined by different mechanisms such as type checkers. If each step …

• Anders Hejlsberg explains explains how “the IDE” way compiler works. First ~10 minutes is traditional compiler background. Then about ~8 minutes before he starts talking about how an IDE focused compiler works: [VIDEO]