Comments (1)
baransu
commented on September 25, 2024
1
My guess are not lambdas but multiline function applications. There was PR that reduced that time in some cases (from ~90s for 12 arguments, every in new line, to ~20s) but this is still the issue. Quick solution would be to write elm-ast friendly code without multiline apllications as @wende did in Elchemy while testing self compilation.
The problem is probably in the way we’re parsing those applications. We’re reaching point where JavaScript GC kicks in cleaning incredible high amount of memory which is slowing down everything. You can see it using for example Chrome DevTools flame chart on the demo page.
If you have time and you need it for your usage please concider spending some time on looking into this problem. Maybe you can solve it
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Related Issues (20)
- Operator location with whitespace around
- Pattern matching exception
- Allow nested comments
- Variables can't be negated with a minus HOT 2
- Parse error: function accessed with module name HOT 2
- Can't name values starting with keywords HOT 1
- Parse character escape codes
- Can't parse type tuples with functions inside
- Function type declaration in let expression HOT 1
- `::` doesn't compose with other operators HOT 2
- Can't parse record updates as a non-last parameter in a function
- Bad performance on arguments in new lines
- Fast and correct type parsing written by Elm core team HOT 5
- Add correct parsing of hex numbers
- Can't parse tuples with empty records. HOT 1
- Regex parser for name should not include '-' character for elm 0.18 HOT 1
- Comments may cause parsing failure HOT 1
- Cannot parse an empty list with a space in it
- 0.19 Status? HOT 5
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