# File kwartz.rb, line 3460 def parse_stmt_while Kwartz::assert() unless token() == :while scan() _syntaxerr("':while' requires '('.") unless token() == '(' scan() cond_expr = parse_assignment() _syntaxerr("':while(' is not closed.") unless token() == ')' scan() nodelist = parse_stmt_list() _syntaxerr("':while' is not closed by ':end'.") unless token() == :end scan() return WhileStmtNode.new(:while, nodelist, nil, cond_expr) end