# File lib/treetop/compiler/metagrammar.rb, line 3243 def _nt_alpha_char start_index = index if node_cache[:alpha_char].has_key?(index) cached = node_cache[:alpha_char][index] if cached cached = SyntaxNode.new(input, index...(index + 1)) if cached == true @index = cached.interval.end end return cached end if has_terminal?('\G[A-Za-z_]', true, index) r0 = instantiate_node(SyntaxNode,input, index...(index + 1)) @index += 1 else r0 = nil end node_cache[:alpha_char][start_index] = r0 r0 end