Class: Racc::GrammarFileScanner

### Home Classes Methods

### In Files

- lib/racc/grammarfileparser.rb

### Parent

Object

### Methods

- ::new
- #lineno
- #yylex

### Files

- Manifest.txt
- README.rdoc
- pre-setup
- NEWS.en.rdoc
- grammar.en.rdoc

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# Racc::GrammarFileScanner

### Constants

CACHE
LEFT_TO_RIGHT
ReservedWord

### Attributes

debug[RW]
epilogue[R]

### Public Class Methods

new(str, filename = '-') click to toggle source

    # File lib/racc/grammarfileparser.rb, line 297
    def initialize(str, filename = '-')
      @lines  = str.split(/\n|\r\n|\r/)
      @filename = filename
      @lineno = -1
      @line_head   = true
      @in_rule_blk = false
      @in_conv_blk = false
      @in_block = nil
      @epilogue = ''
      @debug = false
      next_line
    end

### Public Instance Methods

lineno() click to toggle source

    # File lib/racc/grammarfileparser.rb, line 312
    def lineno
      @lineno + 1
    end

yylex(&block) click to toggle source

    # File lib/racc/grammarfileparser.rb, line 318
    def yylex(&block)
      unless @debug
        yylex0(&block)
      else
        yylex0 do |sym, tok|
          $stderr.printf "%7d %-10s %s\n", lineno(), sym.inspect, tok.inspect
          yield [sym, tok]
        end
      end
    end

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