Class: RubyLex

Inherits:
Object show all
Defined in:
lib/openc3/utilities/ruby_lex_utils.rb,
lib/openc3/utilities/ruby_lex_utils.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#code_block_open ⇒ Object

Returns the value of attribute code_block_open.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 35

def code_block_open
  @code_block_open
end

#continue ⇒ Object

Returns the value of attribute continue.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 38

def continue
  @continue
end

#exp_line_no ⇒ Integer

Returns The expression line number. This can differ from the actual line number due to white space and Ruby control keywords.

Returns:

  • (Integer) —

    The expression line number. This can differ from the actual line number due to white space and Ruby control keywords.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 281

def exp_line_no
  @exp_line_no
end

#indent ⇒ Object

Returns the value of attribute indent.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 31

def indent
  @indent
end

#line ⇒ Object

Returns the value of attribute line.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 37

def line
  @line
end

#line_no ⇒ Object

Returns the value of attribute line_no.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 32

def line_no
  @line_no
end

#ltype ⇒ Object

Returns the value of attribute ltype.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 36

def ltype
  @ltype
end

#tokens ⇒ Object

Returns the value of attribute tokens.



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 34

def tokens
  @tokens
end

Instance Method Details

#identify_string_dvar ⇒ Object

Monkey patch to keep this from looping forever if the string never is closed with a right brace



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 307

def identify_string_dvar
  getc

  reserve_continue = @continue
  reserve_ltype = @ltype
  reserve_indent = @indent
  reserve_indent_stack = @indent_stack
  reserve_state = @lex_state
  reserve_quoted = @quoted

  @ltype = nil
  @quoted = nil
  @indent = 0
  @indent_stack = []
  @lex_state = EXPR_BEG

  loop do
    @continue = false
    prompt
    tk = token
    break if tk.nil? # This is the patch
    if @ltype or @continue or @indent >= 0
      next
    end
    break if tk.kind_of?(TkRBRACE)
  end
ensure
  @continue = reserve_continue
  @ltype = reserve_ltype
  @indent = reserve_indent
  @indent_stack = reserve_indent_stack
  @lex_state = reserve_state
  @quoted = reserve_quoted
end

#reinitialize ⇒ Object

Resets the RubyLex in preparation of parsing a line



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# File 'lib/openc3/utilities/ruby_lex_utils.rb', line 284

def reinitialize
  @line_no = 1
  @prompt = nil
  initialize_input()
end