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-rw-r--r--lib/date/delta/parser.rb301
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 0000000..7efe29f
--- /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