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This repository was archived by the owner on Oct 7, 2020. It is now read-only.
This repository was archived by the owner on Oct 7, 2020. It is now read-only.

HIE reports garbled source code  #538

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@kfigiela

Description

@kfigiela

This is really strange. Not sure if this is issue with VS Code plugin of HIE.

It looks like HIE under some conditions is working on malformed source. HIE stops working properly and reports strange parse errors for some files: source code in error message is garbled, some characters are repeated and sections are duplicated and reversed. Changing file (also emptying it and reverting previous content) does not help. Restarting HIE does not help too. Sometimes restart of VS Code helps. Source code in subject ofc is correct and compiles fine. Parse errors are reported both from ghc-mod and hlint sources of HIE.

zrzut ekranu 2018-04-27 14 36 12

the actual source was

type CheckoutEffs effs =
   ( LoggerEff effs
   , Member RestaurantL effs
   , Member AccountL effs
   , Member MenuL effs
   , ...

I am unable to provide reproducible steps, however it happens quite often for me. Are there any other logs I should look into?

Full log:

2018-04-27 14:36:58.567859 [ThreadId 7] - setTypecheckedModule: Didn't get typechecked module for: "[REDACTED].hs"
2018-04-27 14:36:58.568015 [ThreadId 7] - ghcDispatcher: top of loop
2018-04-27 14:36:58.568101 [ThreadId 7] - got request with id: Nothing
2018-04-27 14:36:58.568726 [ThreadId 5] - <--2--{"jsonrpc":"2.0","method":"textDocument/publishDiagnostics","params":{"uri":"file://[REDACTED].hs","diagnostics":[{"severity":1,"range":{"start":{"line":59,"character":11},"end":{"line":59,"character":12}},"source":"ghcmod","message":"parse error on input ‘,’"}]}}
2018-04-27 14:36:58.573423 [ThreadId 7] - ghcDispatcher: top of loop
2018-04-27 14:36:58.573527 [ThreadId 7] - got request with id: Nothing
2018-04-27 14:36:58.573967 [ThreadId 7] - ghcDispatcher: top of loop
2018-04-27 14:36:58.574173 [ThreadId 7] - got request with id: Nothing
2018-04-27 14:36:58.574251 [ThreadId 7] - Processing request as version matches
2018-04-27 14:36:58.698242 [ThreadId 7] - ghcDispatcher: top of loop
2018-04-27 14:36:58.698399 [ThreadId 7] - got request with id: Nothing
2018-04-27 14:36:58.6985 [ThreadId 7] - Processing request as version matches
2018-04-27 14:36:58.703254 [ThreadId 5] - <--2--{"jsonrpc":"2.0","method":"textDocument/publishDiagnostics","params":{"uri":"file://[REDACTED].hs","diagnostics":[{"severity":1,"range":{"start":{"line":59,"character":11},"end":{"line":59,"character":12}},"source":"ghcmod","message":"parse error on input ‘,’"},{"severity":3,"range":{"start":{"line":59,"character":11},"end":{"line":59,"character":100000}},"code":"parser","source":"hlint","message":"Parse error: ,\n  type CheckoutEffs effs ==\n     ( LoggerEff effssssffffffeee   ffffffEEErrreeeggggggoooLLL      \n>       ,    ,,,   ember RestaurantL effs\n     , Member AccountL effs\n     , Member MenuL effs\n\n"}]}}
2018-04-27 14:36:58.703698 [ThreadId 4] - ---> {"jsonrpc":"2.0","id":143,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"file://[REDACTED].hs"},"range":{"start":{"line":27,"character":73},"end":{"line":27,"character":73}},"context":{"diagnostics":[]}}}
2018-04-27 14:36:58.7043 [ThreadId 8] - reactor:got CodeActionRequest:RequestMessage {_jsonrpc = "2.0", _id = IdInt 143, _method = TextDocumentCodeAction, _params = CodeActionParams {_textDocument = TextDocumentIdentifier {_uri = Uri {getUri = "file://[REDACTED].hs"}}, _range = Range {_start = Position {_line = 27, _character = 73}, _end = Position {_line = 27, _character = 73}}, _context = CodeActionContext {_diagnostics = List []}}}
2018-04-27 14:36:58.704609 [ThreadId 5] - <--2--{"result":[],"jsonrpc":"2.0","id":143}
2018-04-27 14:36:58.837856 [ThreadId 4] - ---> {"jsonrpc":"2.0","id":144,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"file://[REDACTED].hs"},"range":{"start":{"line":27,"character":73},"end":{"line":27,"character":73}},"context":{"diagnostics":[]}}}
2018-04-27 14:36:58.83814 [ThreadId 8] - reactor:got CodeActionRequest:RequestMessage {_jsonrpc = "2.0", _id = IdInt 144, _method = TextDocumentCodeAction, _params = CodeActionParams {_textDocument = TextDocumentIdentifier {_uri = Uri {getUri = "file://[REDACTED].hs"}}, _range = Range {_start = Position {_line = 27, _character = 73}, _end = Position {_line = 27, _character = 73}}, _context = CodeActionContext {_diagnostics = List []}}}
2018-04-27 14:36:58.838558 [ThreadId 5] - <--2--{"result":[],"jsonrpc":"2.0","id":144}
2018-04-27 14:37:02.120167 [ThreadId 7] - setTypecheckedModule: Didn't get typechecked module for: "[REDACTED].hs"
2018-04-27 14:37:02.120338 [ThreadId 7] - ghcDispatcher: top of loop
2018-04-27 14:37:02.120601 [ThreadId 5] - <--2--{"jsonrpc":"2.0","method":"textDocument/publishDiagnostics","params":{"uri":"file://[REDACTED].hs","diagnostics":[{"severity":1,"range":{"start":{"line":59,"character":11},"end":{"line":59,"character":12}},"source":"ghcmod","message":"parse error on input ‘,’"}]}}
2018-04-27 14:37:02.252693 [ThreadId 4] - ---> {"jsonrpc":"2.0","id":145,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"file://[REDACTED].hs"},"range":{"start":{"line":27,"character":73},"end":{"line":27,"character":73}},"context":{"diagnostics":[]}}}
2018-04-27 14:37:02.252957 [ThreadId 8] - reactor:got CodeActionRequest:RequestMessage {_jsonrpc = "2.0", _id = IdInt 145, _method = TextDocumentCodeAction, _params = CodeActionParams {_textDocument = TextDocumentIdentifier {_uri = Uri {getUri = "file://[REDACTED].hs"}}, _range = Range {_start = Position {_line = 27, _character = 73}, _end = Position {_line = 27, _character = 73}}, _context = CodeActionContext {_diagnostics = List []}}}
2018-04-27 14:37:02.253226 [ThreadId 5] - <--2--{"result":[],"jsonrpc":"2.0","id":145}

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