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hie

https://github.com/haskell/haskell-ide-engine

the following init_options are supported (see https://github.com/haskell/haskell-ide-engine#configuration): 

init_options = {
  languageServerHaskell = {
    hlintOn = bool;
    maxNumberOfProblems = number;
    diagnosticsDebounceDuration = number;
    liquidOn = bool (default false);
    completionSnippetsOn = bool (default true);
    formatOnImportOn = bool (default true);
    formattingProvider = string (default "brittany", alternate "floskell");
  }
}

Setup

require'lspconfig'.hie.setup{}

Default values

cmd = { "hie-wrapper", "--lsp" }
filetypes = { "haskell" }
root_dir = function(startpath)
    return M.search_ancestors(startpath, matcher)
  end

Available settings

haskell.diagnosticsOnChange

  • Type: boolean
  • Default: true

Compute diagnostics continuously as you type. Turn off to only generate diagnostics on file save.

haskell.formatOnImportOn

  • Type: boolean
  • Default: true

When adding an import\, use the formatter on the result

haskell.formattingProvider

  • Type: enum { "brittany", "floskell", "fourmolu", "ormolu", "stylish-haskell", "none" }
  • Default: "ormolu"

The formatter to use when formatting a document or range. Ensure the plugin is enabled.

haskell.logFile

  • Type: string
  • Default: ""

If set\, redirects the logs to a file.

haskell.plugin.class.globalOn

  • Type: boolean
  • Default: true

Enables type class plugin

haskell.plugin.eval.globalOn

  • Type: boolean
  • Default: true

Enables eval plugin

haskell.plugin.ghcide-completions.config.autoExtendOn

  • Type: boolean
  • Default: true

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haskell.plugin.ghcide-completions.config.snippetsOn

  • Type: boolean
  • Default: true

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haskell.plugin.ghcide-type-lenses.config.mode

  • Type: enum { "always", "exported", "diagnostics" }
  • Default: true

Control how type lenses are shown

haskell.plugin.ghcide-type-lenses.globalOn

  • Type: boolean
  • Default: true

Enables type lenses plugin

haskell.plugin.haddockComments.globalOn

  • Type: boolean
  • Default: true

Enables haddock comments plugin

haskell.plugin.hlint.codeActionsOn

  • Type: boolean
  • Default: true

Enables hlint code actions (apply hints)

haskell.plugin.hlint.config.flags

  • Type: array
  • Default: {}

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haskell.plugin.hlint.diagnosticsOn

  • Type: boolean
  • Default: true

Enables hlint diagnostics

haskell.plugin.importLens.codeActionsOn

  • Type: boolean
  • Default: true

Enables explicit imports code actions

haskell.plugin.importLens.codeLensOn

  • Type: boolean
  • Default: true

Enables explicit imports code lenses

haskell.plugin.moduleName.globalOn

  • Type: boolean
  • Default: true

Enables module name plugin

haskell.plugin.pragmas.codeActionsOn

  • Type: boolean
  • Default: true

Enables pragmas code actions

haskell.plugin.pragmas.completionOn

  • Type: boolean
  • Default: true

Enables pragmas completions

haskell.plugin.retrie.globalOn

  • Type: boolean
  • Default: true

Enables retrie plugin

haskell.plugin.splice.globalOn

  • Type: boolean
  • Default: true

Enables splice plugin (expand template haskell definitions)

haskell.plugin.tactics.config.auto_gas

  • Type: integer
  • Default: 4

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haskell.plugin.tactics.config.hole_severity

  • Type: enum { 1, 2, 3, 4, vim.NIL }
  • Default: vim.NIL

The severity to use when showing hole diagnostics.

haskell.plugin.tactics.config.max_use_ctor_actions

  • Type: integer
  • Default: 5

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haskell.plugin.tactics.config.proofstate_styling

  • Type: boolean
  • Default: true

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haskell.plugin.tactics.config.timeout_duration

  • Type: integer
  • Default: 2

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haskell.plugin.tactics.globalOn

  • Type: boolean
  • Default: true

Enables Wingman (tactics) plugin

haskell.releasesURL

  • Type: string
  • Default: ""

An optional URL to override where to check for haskell-language-server releases

haskell.serverExecutablePath

  • Type: string
  • Default: ""

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haskell.trace.server

  • Type: enum { "off", "messages" }
  • Default: "off"

Traces the communication between VS Code and the language server.

haskell.updateBehavior

  • Type: enum { "keep-up-to-date", "prompt", "never-check" }
  • Default: "keep-up-to-date"

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