Support completions for extension definition parameter #18331
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rochala
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This PR also contains refactor in Presentation Compiler completions, to reuse completion mode from the compiler instead of providing own logic for that. It caused a lot of issues already which tend to be fixed by this PR such as Term completions for |
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| @@ -256,8 +192,7 @@ class Completions( | |||
| private def findSuffix(symbol: Symbol): CompletionSuffix = | |||
| CompletionSuffix.empty | |||
| .chain { suffix => // for [] suffix | |||
| if shouldAddSnippet && | |||
| cursorPos.allowBracketSuffix && symbol.info.typeParams.nonEmpty | |||
| if shouldAddSnippet && symbol.info.typeParams.nonEmpty | |||
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I'm not sure you can just get rid of cursorPos.allowBracketSuffix. I think one of its responsibilities is getting rid of square brackets for methods, for which we want to have () as suffix. Can you add a test to make sure I'm wrong.
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I added a test, but overall I believe it was fixed #15750, and now we don't have to calculate it manually.
presentation-compiler/src/main/dotty/tools/pc/completions/Completions.scala
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Valid point. It won't work for any Select. I'll update the PR with the fix. |
| check( | ||
| """|trait Foo | ||
| |object T: | ||
| | extension [A](using Foo)(x: Fo@@)(using Fo@@) |
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| | extension [A](using Foo)(x: Fo@@)(using Fo@@) | |
| | extension [A](using Foo)(x: Fo@@)(using Foo) |
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Extension methods are extended into normal definitions. Because of that typed trees don't include any information about the extension method definition parameter: ```scala extension (x: In@@) ``` In order to add completions, we check if there is an exact path to the untyped tree, and if not, we fall back to it. There may also be more possible cases like that, but I can't think of any at the moment. [Cherry-picked de4ad2b]
Extension methods are extended into normal definitions. Because of that typed trees don't include any information about the extension method definition parameter: ```scala extension (x: In@@) ``` In order to add completions, we check if there is an exact path to the untyped tree, and if not, we fall back to it. There may also be more possible cases like that, but I can't think of any at the moment. [Cherry-picked de4ad2b]
Extension methods are extended into normal definitions.
Because of that typed trees don't include any information about the extension method definition parameter:
In order to add completions, we check if there is an exact path to the untyped tree, and if not, we fall back to it. There may also be more possible cases like that, but I can't think of any at the moment.