module Parsec

Column(value) click to toggle source

# File lib/parsec/pos.rb, line 10
def Column(value)
  value.to_i
end

Line(value) click to toggle source

# File lib/parsec/pos.rb, line 6
def Line(value)
  value.to_i
end

SourceName(value) click to toggle source

# File lib/parsec/pos.rb, line 2
def SourceName(value)
  value.to_s
end

SourcePos(source_name, line = nil, column = nil) click to toggle source

# File lib/parsec/pos.rb, line 14
def SourcePos(source_name, line = nil, column = nil)
  source_name, line, column = source_name, line, column
  Object.new.tap do |object|
    object.instance_variable_set "@data", [source_name, line, column]

    def object.[](index)
      @data[index]
    end

    def object.to_s
      if self[0].nil?
        show_line_column
      else
        "\"#{self[0]}\" " + show_line_column
      end
    end

    def object.inspect
      to_s
    end

    def object.show_line_column
      "(line #{self[1]}, column #{self[2]})"
    end
  end
end

incSourceColumn(source_pos, n) click to toggle source

# File lib/parsec/pos.rb, line 65
def incSourceColumn(source_pos, n)
  SourcePos(source_pos[0], source_pos[1], source_pos[2] + n)
end

incSourceLine(source_pos, n) click to toggle source

# File lib/parsec/pos.rb, line 61
def incSourceLine(source_pos, n)
  SourcePos(source_pos[0], source_pos[1] + n, source_pos[2])
end

initialPos(name) click to toggle source

# File lib/parsec/pos.rb, line 45
def initialPos(name)
  SourcePos(name, 1, 1)
end

newPos(name, line, column) click to toggle source

# File lib/parsec/pos.rb, line 41
def newPos(name, line, column)
  SourcePos(name, line, column)
end

setSourceColumn(source_pos, n) click to toggle source

# File lib/parsec/pos.rb, line 77
def setSourceColumn(source_pos, n)
  SourcePos(source_pos[0], source_pos[1], n)
end

setSourceLine(source_pos, n) click to toggle source

# File lib/parsec/pos.rb, line 73
def setSourceLine(source_pos, n)
  SourcePos(source_pos[0], n, source_pos[2])
end

setSourceName(source_pos, n) click to toggle source

# File lib/parsec/pos.rb, line 69
def setSourceName(source_pos, n)
  SourcePos(n, source_pos[1], source_pos[2])
end

sourceColumn(source_pos) click to toggle source

# File lib/parsec/pos.rb, line 57
def sourceColumn(source_pos)
  source_pos[2]
end

sourceLine(source_pos) click to toggle source

# File lib/parsec/pos.rb, line 53
def sourceLine(source_pos)
  source_pos[1]
end

sourceName(source_pos) click to toggle source

# File lib/parsec/pos.rb, line 49
def sourceName(source_pos)
  source_pos[0]
end

updatePosChar(source_pos, c) click to toggle source

# File lib/parsec/pos.rb, line 87
def updatePosChar(source_pos, c)
  case c
  when "\n"
    SourcePos(source_pos[0], source_pos[1] + 1, 1)
  when "\t"
    SourcePos(source_pos[0], source_pos[1],
      source_pos[2] + 8 - ((source_pos[2] - 1) % 8))
  else
    SourcePos(source_pos[0], source_pos[1], source_pos[2] + 1)
  end
end

updatePosString(pos, string) click to toggle source

# File lib/parsec/pos.rb, line 81
def updatePosString(pos, string)
  string.chars.to_a.reduce(pos) do |acc, el|
    updatePosChar acc, el
  end
end

Constants

Public Instance Methods