Class: Platform::IEL::SexpParser::ParseContext

Inherits:
Object
  • Object
show all
Defined in:
lib/introhive_expression_language/iel/sexp_parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(code) ⇒ ParseContext

Returns a new instance of ParseContext.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 55

def initialize(code)
  @code = code
end

Instance Attribute Details

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 53

def code
  @code
end

Instance Method Details

#code_line(offset) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 59

def code_line(offset)
  idx = 0
  line = 1
  pos = 0
  last_line_start = 0
  line_location = 1
  @code.chars.each do |c|
    if c == "\n"
      line += 1
      pos = 0
      last_line_start = idx + 1
    else
      pos += 1
    end
    if idx == offset
      line_location = pos
      break
    end
    idx += 1
  end

  code_line = ''
  @code[last_line_start..-1].chars.each do |c|
    if c == "\n"
      break
    else
      code_line += c
    end
  end

  " at Line #{line}, Pos #{line_location}\n#{code_line}\n#{'-' * (line_location-1)}^"
end