diff options
Diffstat (limited to 'lib/date/delta/parser.rb')
| -rw-r--r-- | lib/date/delta/parser.rb | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/lib/date/delta/parser.rb b/lib/date/delta/parser.rb new file mode 100644 index 0000000000..7efe29f4c2 --- /dev/null +++ b/lib/date/delta/parser.rb @@ -0,0 +1,301 @@ +# +# DO NOT MODIFY!!!! +# This file is automatically generated by racc 1.4.5 +# from racc grammer file "parser.ry". +# + +require 'racc/parser' + + +class Date + + class Delta + + class Parser < Racc::Parser + +module_eval <<'..end parser.ry modeval..id43bff5dec9', 'parser.ry', 42 + + def lookup(str) + t = str.downcase + k = UNITS4KEY[t] + return [:UNIT, k] if k + return [:AND, nil] if t == 'and' + return [:UNKNOWNWORD, nil] + end + + def parse(str) + @q = [] + until str.empty? + case str + when /\A\s+/ + when /\AP(\d+y)?(\d+m)?(\d+d)?t?(\d+h)?(\d+m)?(\d+s)?(\d+w)?/i + y, m, d, h, min, s, w = + [$1, $2, $3, $4, $5, $6, $7].collect{|x| x.to_i} + y *= UNITS4KEY['years'] + m *= UNITS4KEY['months'] + d *= UNITS4KEY['days'] + h *= UNITS4KEY['hours'] + min *= UNITS4KEY['minutes'] + s *= UNITS4KEY['seconds'] + w *= UNITS4KEY['weeks'] + @q.push [:DURATION, y + m + d + h + min + s + w] + when /\A\d+/ + @q.push [:DIGITS, $&.to_i] + when /\A[a-z]+/i + @q.push lookup($&) + when /\A.|\n/ + @q.push [$&, $&] + end + str = $' + end + @q.push [false, false] + do_parse + end + + def next_token + @q.shift + end + +..end parser.ry modeval..id43bff5dec9 + +##### racc 1.4.5 generates ### + +racc_reduce_table = [ + 0, 0, :racc_error, + 1, 16, :_reduce_none, + 1, 17, :_reduce_none, + 1, 17, :_reduce_none, + 3, 17, :_reduce_4, + 3, 17, :_reduce_5, + 3, 17, :_reduce_6, + 3, 17, :_reduce_7, + 3, 17, :_reduce_8, + 3, 17, :_reduce_9, + 3, 17, :_reduce_10, + 2, 17, :_reduce_11, + 2, 17, :_reduce_12, + 3, 17, :_reduce_13, + 2, 18, :_reduce_14, + 0, 20, :_reduce_15, + 1, 20, :_reduce_none, + 1, 19, :_reduce_none ] + +racc_reduce_n = 18 + +racc_shift_n = 32 + +racc_action_table = [ + 13, 14, 15, 16, 17, 18, 19, 4, 27, 23, + 8, 9, 1, 4, 25, 2, 8, 9, 1, 4, + 24, 2, 8, 9, 1, 4, 21, 2, 8, 9, + 1, 4, 11, 2, 8, 9, 1, 4, 26, 2, + 8, 9, 1, 4, nil, 2, 8, 9, 1, 4, + nil, 2, 8, 9, 1, nil, nil, 2, 13, 14, + 15, 16, 17, 18, 19, 13, 14, 15, 13, 14, + 15, 13, 14, 15, 13, 14, 15 ] + +racc_action_check = [ + 10, 10, 10, 10, 10, 10, 10, 17, 15, 10, + 17, 17, 17, 18, 13, 17, 18, 18, 18, 4, + 11, 18, 4, 4, 4, 1, 9, 4, 1, 1, + 1, 8, 3, 1, 8, 8, 8, 19, 14, 8, + 19, 19, 19, 0, nil, 19, 0, 0, 0, 16, + nil, 0, 16, 16, 16, nil, nil, 16, 5, 5, + 5, 5, 5, 5, 5, 30, 30, 30, 28, 28, + 28, 29, 29, 29, 31, 31, 31 ] + +racc_action_pointer = [ + 37, 19, nil, 32, 13, 55, nil, nil, 25, 13, + -3, 20, nil, 4, 28, -2, 43, 1, 7, 31, + nil, nil, nil, nil, nil, nil, nil, nil, 65, 68, + 62, 71 ] + +racc_action_default = [ + -18, -18, -17, -18, -18, -1, -2, -3, -18, -15, + -18, -18, -12, -18, -18, -18, -18, -18, -18, -18, + -11, -16, -14, -13, 32, -10, -8, -9, -4, -5, + -6, -7 ] + +racc_goto_table = [ + 5, 10, 3, 22, 12, nil, nil, nil, 20, nil, + nil, nil, nil, nil, nil, nil, 28, 29, 30, 31 ] + +racc_goto_check = [ + 2, 2, 1, 5, 2, nil, nil, nil, 2, nil, + nil, nil, nil, nil, nil, nil, 2, 2, 2, 2 ] + +racc_goto_pointer = [ + nil, 2, 0, nil, nil, -6 ] + +racc_goto_default = [ + nil, nil, nil, 6, 7, nil ] + +racc_token_table = { + false => 0, + Object.new => 1, + :UNARY => 2, + "^" => 3, + "*" => 4, + "/" => 5, + "+" => 6, + "," => 7, + :AND => 8, + "-" => 9, + :DIGITS => 10, + "(" => 11, + ")" => 12, + :UNIT => 13, + :DURATION => 14 } + +racc_use_result_var = true + +racc_nt_base = 15 + +Racc_arg = [ + racc_action_table, + racc_action_check, + racc_action_default, + racc_action_pointer, + racc_goto_table, + racc_goto_check, + racc_goto_default, + racc_goto_pointer, + racc_nt_base, + racc_reduce_table, + racc_token_table, + racc_shift_n, + racc_reduce_n, + racc_use_result_var ] + +Racc_token_to_s_table = [ +'$end', +'error', +'UNARY', +'"^"', +'"*"', +'"/"', +'"+"', +'","', +'AND', +'"-"', +'DIGITS', +'"("', +'")"', +'UNIT', +'DURATION', +'$start', +'stmt', +'expr', +'time', +'iso', +'unit'] + +Racc_debug_parser = false + +##### racc system variables end ##### + + # reduce 0 omitted + + # reduce 1 omitted + + # reduce 2 omitted + + # reduce 3 omitted + +module_eval <<'.,.,', 'parser.ry', 18 + def _reduce_4( val, _values, result ) +result += val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 19 + def _reduce_5( val, _values, result ) +result += val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 20 + def _reduce_6( val, _values, result ) +result += val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 21 + def _reduce_7( val, _values, result ) +result -= val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 22 + def _reduce_8( val, _values, result ) +result *= val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 23 + def _reduce_9( val, _values, result ) +result /= val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 24 + def _reduce_10( val, _values, result ) +result **= val[2] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 25 + def _reduce_11( val, _values, result ) +result = -val[1] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 26 + def _reduce_12( val, _values, result ) +result = +val[1] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 27 + def _reduce_13( val, _values, result ) +result = val[1] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 30 + def _reduce_14( val, _values, result ) +result = val[0] * val[1] + result + end +.,., + +module_eval <<'.,.,', 'parser.ry', 33 + def _reduce_15( val, _values, result ) +result = 1 + result + end +.,., + + # reduce 16 omitted + + # reduce 17 omitted + + def _reduce_none( val, _values, result ) + result + end + + end # class Parser + + end # class Delta + +end # class Date |