DMD as a library - recap, next steps

[Jacob Carlborg]

On Tuesday, 16 June 2020 at 09:07:19 UTC, RazvanN wrote:

> 2. Semantic analysis mutates the AST in a way that makes it 
> impossible for you to reason about what was there in the first 
> place.

Ideally the compiler should be modified to preserve all 
information through all phases of the compilation.

In my tool I had to make quite a bit of extra effort to preserve 
the information I needed. Basically walking the AST twice, once 
before running the semantic analyzer and once after.

--
/Jacob Carlborg