Class: Spoom::Sorbet::Sigs::Scanner

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/spoom/sorbet/sigs.rb

Overview

From github.com/Shopify/ruby-lsp/blob/9154bfc6ef/lib/ruby_lsp/document.rb#L127

Constant Summary collapse

LINE_BREAK = 
T.let(0x0A, Integer)

Instance Method Summary collapse

Constructor Details

#initialize(source) ⇒ Scanner

Returns a new instance of Scanner.



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# File 'lib/spoom/sorbet/sigs.rb', line 151

def initialize(source)
  @current_line = T.let(0, Integer)
  @pos = T.let(0, Integer)
  @source = T.let(source.codepoints, T::Array[Integer])
end

Instance Method Details

#find_char_position(line, character) ⇒ Object 



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# File 'lib/spoom/sorbet/sigs.rb', line 159

def find_char_position(line, character)
  # Find the character index for the beginning of the requested line
  until @current_line == line
    @pos += 1 until LINE_BREAK == @source[@pos]
    @pos += 1
    @current_line += 1
  end

  # The final position is the beginning of the line plus the requested column
  @pos + character
end