Module: Kapusta::LSP::Diagnostics

Defined in:
lib/kapusta/lsp/diagnostics.rb

Constant Summary collapse

SEVERITY_ERROR = 
1

Class Method Summary collapse

Class Method Details

.collect(text, path) ⇒ Object 



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# File 'lib/kapusta/lsp/diagnostics.rb', line 10

def collect(text, path)
  Kapusta.compile(text, path: path || '(buffer)')
  []
rescue Kapusta::Error => e
  [diagnostic_from(e, text)]
end

.diagnostic_from(error, text) ⇒ Object 



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# File 'lib/kapusta/lsp/diagnostics.rb', line 17

def diagnostic_from(error, text)
  line = [(error.line || 1) - 1, 0].max
  column = [(error.column || 1) - 1, 0].max

  {
    range: {
      start: { line:, character: column },
      end: { line:, character: column + token_length(text, line, column) }
    },
    severity: SEVERITY_ERROR,
    source: 'kapusta-ls',
    message: error.reason
  }
end

.token_length(text, line, column) ⇒ Object 



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# File 'lib/kapusta/lsp/diagnostics.rb', line 32

def token_length(text, line, column)
  source_line = text.lines[line]
  return 1 unless source_line

  tail = source_line[column..] || ''
  match = tail.match(/\A[^\s()\[\]{}";`,]+/)
  match && match[0].length.positive? ? match[0].length : 1
end