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-rw-r--r--ChangeLog4
-rw-r--r--lib/date/delta.rb431
-rw-r--r--lib/date/delta/parser.rb302
-rw-r--r--lib/date/delta/parser.ry85
4 files changed, 4 insertions, 818 deletions
diff --git a/ChangeLog b/ChangeLog
index 3a90b467f4..a4a004a522 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Mar 11 23:32:38 2011 Tadayoshi Funaba <tadf@dotrb.org>
+
+ * lib/date/delta*: removed undocumented delta.
+
Fri Mar 11 18:42:43 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/mkmf.rb (find_executable0): should exclude directories.
diff --git a/lib/date/delta.rb b/lib/date/delta.rb
deleted file mode 100644
index e524cbc324..0000000000
--- a/lib/date/delta.rb
+++ /dev/null
@@ -1,431 +0,0 @@
-# delta.rb: Written by Tadayoshi Funaba 2004-2010
-
-require 'date'
-require 'date/delta/parser'
-
-class Date
-
- class Delta # :nodoc:
-
- include Comparable
-
- UNIT_PREFIXES = {
- 'yotta' => Rational(10**24),
- 'zetta' => Rational(10**21),
- 'exa' => Rational(10**18),
- 'peta' => Rational(10**15),
- 'tera' => Rational(10**12),
- 'giga' => Rational(10**9),
- 'mega' => Rational(10**6),
- 'kilo' => Rational(10**3),
- 'hecto' => Rational(10**2),
- 'deca' => Rational(10**1),
- 'deka' => Rational(10**1),
- 'deci' => Rational(1, 10**1),
- 'centi' => Rational(1, 10**2),
- 'milli' => Rational(1, 10**3),
- 'decimilli' => Rational(1, 10**4),
- 'centimilli' => Rational(1, 10**5),
- 'micro' => Rational(1, 10**6),
- 'nano' => Rational(1, 10**9),
- 'millimicro' => Rational(1, 10**9),
- 'pico' => Rational(1, 10**12),
- 'micromicro' => Rational(1, 10**12),
- 'femto' => Rational(1, 10**15),
- 'atto' => Rational(1, 10**18),
- 'zepto' => Rational(1, 10**21),
- 'yocto' => Rational(1, 10**24)
- }
-
- IUNITS = {
- 'year' => Complex(0, 12),
- 'month' => Complex(0, 1)
- }
-
- RUNITS = {
- 'day' => Rational(1),
- 'week' => Rational(7),
- 'sennight' => Rational(7),
- 'fortnight' => Rational(14),
- 'hour' => Rational(1, 24),
- 'minute' => Rational(1, 1440),
- 'second' => Rational(1, 86400)
- }
-
- UNIT_PREFIXES.each do |k, v|
- RUNITS[k + 'second'] = v * RUNITS['second']
- end
-
- remove_const :UNIT_PREFIXES
-
- UNITS = {}
-
- IUNITS.each do |k, v|
- UNITS[k] = v
- end
-
- RUNITS.each do |k, v|
- UNITS[k] = v
- end
-
- UNITS4KEY = {}
-
- UNITS.each do |k, v|
- UNITS4KEY[k] = UNITS4KEY[k + 's'] = v
- end
-
- UNITS4KEY['y'] = UNITS4KEY['years']
- UNITS4KEY['yr'] = UNITS4KEY['years']
- UNITS4KEY['yrs'] = UNITS4KEY['years']
- UNITS4KEY['m'] = UNITS4KEY['months']
- UNITS4KEY['mo'] = UNITS4KEY['months']
- UNITS4KEY['mon'] = UNITS4KEY['months']
- UNITS4KEY['mnth'] = UNITS4KEY['months']
- UNITS4KEY['mnths'] = UNITS4KEY['months']
- UNITS4KEY['w'] = UNITS4KEY['weeks']
- UNITS4KEY['wk'] = UNITS4KEY['weeks']
- UNITS4KEY['d'] = UNITS4KEY['days']
- UNITS4KEY['dy'] = UNITS4KEY['days']
- UNITS4KEY['dys'] = UNITS4KEY['days']
- UNITS4KEY['h'] = UNITS4KEY['hours']
- UNITS4KEY['hr'] = UNITS4KEY['hours']
- UNITS4KEY['hrs'] = UNITS4KEY['hours']
- UNITS4KEY['min'] = UNITS4KEY['minutes']
- UNITS4KEY['mins'] = UNITS4KEY['minutes']
- UNITS4KEY['s'] = UNITS4KEY['seconds']
- UNITS4KEY['sec'] = UNITS4KEY['seconds']
- UNITS4KEY['secs'] = UNITS4KEY['seconds']
- UNITS4KEY['ms'] = UNITS4KEY['milliseconds']
- UNITS4KEY['msec'] = UNITS4KEY['milliseconds']
- UNITS4KEY['msecs'] = UNITS4KEY['milliseconds']
- UNITS4KEY['milli'] = UNITS4KEY['milliseconds']
- UNITS4KEY['us'] = UNITS4KEY['microseconds']
- UNITS4KEY['usec'] = UNITS4KEY['microseconds']
- UNITS4KEY['usecs'] = UNITS4KEY['microseconds']
- UNITS4KEY['micro'] = UNITS4KEY['microseconds']
- UNITS4KEY['ns'] = UNITS4KEY['nanoseconds']
- UNITS4KEY['nsec'] = UNITS4KEY['nanoseconds']
- UNITS4KEY['nsecs'] = UNITS4KEY['nanoseconds']
- UNITS4KEY['nano'] = UNITS4KEY['nanoseconds']
-
- def self.delta_to_dhms(delta)
- fr = delta.imag.abs
- y, fr = fr.divmod(12)
- m, fr = fr.divmod(1)
-
- if delta.imag < 0
- y = -y
- m = -m
- end
-
- fr = delta.real.abs
- ss, fr = fr.divmod(SECONDS_IN_DAY) # 4p
- d, ss = ss.divmod(86400)
- h, ss = ss.divmod(3600)
- min, s = ss.divmod(60)
-
- if delta.real < 0
- d = -d
- h = -h
- min = -min
- s = -s
- end
-
- return y, m, d, h, min, s, fr
- end
-
- def self.dhms_to_delta(y, m, d, h, min, s, fr)
- fr = 0 if fr == 0
- Complex(0, y.to_i * 12 + m.to_i) +
- Rational(d * 86400 + h * 3600 + min * 60 + (s + fr), 86400) # 4p
- end
-
- def initialize(delta)
- @delta = delta
- @__ca__ = {}
- end
-
- class << self; alias_method :new!, :new end
-
- def self.new(arg=0, h=0, min=0, s=0)
- if Hash === arg
- d = Complex(0)
- arg.each do |k, v|
- k = k.to_s.downcase
- unless UNITS4KEY[k]
- raise ArgumentError, "unknown keyword #{k}"
- end
- d += v * UNITS4KEY[k]
- end
- else
- d = dhms_to_delta(0, 0, arg, h, min, s, 0)
- end
- new!(d)
- end
-
- UNITS.each_key do |k|
- module_eval <<-"end;"
- def self.#{k}s(n=1)
- new(:d=>n * UNITS['#{k}'])
- end
- end;
- end
-
- class << self; alias_method :mins, :minutes end
- class << self; alias_method :secs, :seconds end
-
- def self.parse(str)
- d = begin (@@pa ||= Parser.new).parse(str)
- rescue Racc::ParseError
- raise ArgumentError, 'syntax error'
- end
- new!(d)
- end
-
- def self.diff(d1, d2) new(d1.ajd - d2.ajd) end
-
- class << self
-
- def once(*ids) # :nodoc: -- restricted
- for id in ids
- module_eval <<-"end;"
- alias_method :__#{id.object_id}__, :#{id.to_s}
- private :__#{id.object_id}__
- def #{id.to_s}(*args)
- @__ca__[#{id.object_id}] ||= __#{id.object_id}__(*args)
- end
- end;
- end
- end
-
- private :once
-
- end
-
- def dhms() self.class.delta_to_dhms(@delta) end
-
- once :dhms
-
- def delta() @delta end
-
- protected :delta
-
- def years() dhms[0] end
- def months() dhms[1] end
- def days() dhms[2] end
- def hours() dhms[3] end
- def minutes() dhms[4] end
- def seconds() dhms[5] end
- def second_fractions() dhms[6] end
-
- alias_method :mins, :minutes
- alias_method :secs, :seconds
- alias_method :sec_fractions, :second_fractions
-
- RUNITS.each_key do |k|
- module_eval <<-"end;"
- def in_#{k}s(u=1)
- if @delta.imag != 0
- raise ArgumentError, "#{k}: #{self} has month"
- end
- @delta.real / (u * RUNITS['#{k}'])
- end
- end;
- end # <<dummy
-
- alias_method :in_mins, :in_minutes
- alias_method :in_secs, :in_seconds
-
- def zero?() @delta.zero? end
- def nonzero?() unless zero? then self end end
-
- def integer? () @delta.imag == 0 && @delta.real.integer? end
-
- def -@ () self.class.new!(-@delta) end
- def +@ () self.class.new!(+@delta) end
-
- def dx_addsub(m, n)
- case n
- when Numeric; return self.class.new!(@delta.__send__(m, n))
- when Delta; return self.class.new!(@delta.__send__(m, n.delta))
- else
- l, r = n.coerce(self)
- return l.__send__(m, r)
- end
- end
-
- private :dx_addsub
-
- def + (n) dx_addsub(:+, n) end
- def - (n) dx_addsub(:-, n) end
-
- def dx_muldiv(m, n)
- case n
- when Numeric
- return self.class.new!(@delta.__send__(m, n))
- else
- l, r = n.coerce(self)
- return l.__send__(m, r)
- end
- end
-
- private :dx_muldiv
-
- def * (n) dx_muldiv(:*, n) end
- def / (n) dx_muldiv(:/, n) end
-
- def dx_conv1(m, n)
- if @delta.imag != 0
- raise ArgumentError, "#{m}: #{self} has month"
- end
- case n
- when Numeric
- return self.class.new!(Complex(@delta.real.__send__(m, n), 0))
- else
- l, r = n.coerce(self)
- return l.__send__(m, r)
- end
- end
-
- private :dx_conv1
-
- def % (n) dx_conv1(:%, n) end
-
- def div(n) dx_conv1(:div, n) end
- def modulo(n) dx_conv1(:modulo, n) end
- def divmod(n) [div(n), modulo(n)] end
-
- def quotient(n)
- if @delta.imag != 0
- raise ArgumentError, "quotient: #{self} has month"
- end
- case n
- when Numeric
- return self.class.new!(Complex((@delta.real / n).truncate))
- else
- l, r = n.coerce(self)
- return l.__send__(m, r)
- end
- end
-
- def remainder(n) dx_conv1(:remainder, n) end
- def quotrem(n) [quotient(n), remainder(n)] end
-
- def ** (n) dx_conv1(:**, n) end
- def quo(n) dx_muldiv(:quo, n) end
-
- def <=> (other)
- if @delta.imag != 0
- raise ArgumentError, "<=>: #{self} has month"
- end
- case other
- when Numeric; return @delta.real <=> other
- when Delta; return @delta.real <=> other.delta.real
- else
- begin
- l, r = other.coerce(self)
- return l <=> r
- rescue NoMethodError
- end
- end
- nil
- end
-
- def == (other)
- case other
- when Numeric; return @delta == other
- when Delta; return @delta == other
- else
- begin
- l, r = other.coerce(self)
- return l == r
- rescue NoMethodError
- end
- end
- nil
- end
-
- def coerce(other)
- case other
- when Numeric; return other, @delta
- else
- super
- end
- end
-
- def eql? (other) Delta === other && self == other end
- def hash() @delta.hash end
-
- def dx_conv0(m)
- if @delta.imag != 0
- raise ArgumentError, "#{m}: #{self} has month"
- end
- @delta.real.__send__(m)
- end
-
- private :dx_conv0
-
- def abs() dx_conv0(:abs) end
-
- def ceil() dx_conv0(:ceil) end
- def floor() dx_conv0(:floor) end
- def round() dx_conv0(:round) end
- def truncate() dx_conv0(:truncate) end
-
- def to_i() dx_conv0(:to_i) end
- def to_f() dx_conv0(:to_f) end
- def to_r() dx_conv0(:to_r) end
- def to_c() @delta end
-
- alias_method :to_int, :to_i
-
- def inspect() format('#<%s: %s (%s)>', self.class, to_s, @delta) end
-
- def to_s
- format(%(%s(%dd %.02d:%02d'%02d"%03d)%s(%dy %dm)), # '
- if @delta.real < 0 then '-' else '+' end,
- days.abs, hours.abs, mins.abs, secs.abs, sec_fractions.abs * 1000,
- if @delta.imag < 0 then '-' else '+' end,
- years.abs, months.abs)
- end
-
- def marshal_dump() @delta end
-
- def marshal_load(a)
- @delta = a
- @__ca__ = {}
- end
-
- end
-
-end
-
-vsave = $VERBOSE
-$VERBOSE = false
-
-class Date
-
- def + (n)
- case n
- when Numeric; return self.class.new!(@ajd + n, @of, @sg)
- when Delta
- d = n.__send__(:delta)
- return (self >> d.imag) + d.real
- end
- raise TypeError, 'expected numeric'
- end
-
- def - (x)
- case x
- when Numeric; return self.class.new!(@ajd - x, @of, @sg)
- when Date; return @ajd - x.ajd
- when Delta
- d = x.__send__(:delta)
- return (self << d.imag) - d.real
- end
- raise TypeError, 'expected numeric'
- end
-
-end
-
-$VERBOSE = vsave
diff --git a/lib/date/delta/parser.rb b/lib/date/delta/parser.rb
deleted file mode 100644
index 459d77a572..0000000000
--- a/lib/date/delta/parser.rb
+++ /dev/null
@@ -1,302 +0,0 @@
-#
-# 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..idf2987de166', '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+[ymdhsw]/i
- /\Ap(\d+y)?(\d+m)?(\d+d)?t?(\d+h)?(\d+m)?(\d+s)?(\d+w)?/i =~ str
- 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..idf2987de166
-
-##### 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
diff --git a/lib/date/delta/parser.ry b/lib/date/delta/parser.ry
deleted file mode 100644
index 4de8aa1e46..0000000000
--- a/lib/date/delta/parser.ry
+++ /dev/null
@@ -1,85 +0,0 @@
-# parser.ry: Written by Tadayoshi Funaba 2006,2008-2010 -*- ruby -*-
-
-class Date::Delta::Parser
-
- prechigh
- nonassoc UNARY
- left '^'
- left '*' '/'
- left '+' ',' AND '-'
- preclow
-
- rule
-
- stmt : expr
- ;
-
- expr : time
- | iso
- | expr '+' expr {result += val[2]}
- | expr ',' expr {result += val[2]}
- | expr AND expr {result += val[2]}
- | expr '-' expr {result -= val[2]}
- | expr '*' DIGITS {result *= val[2]}
- | expr '/' DIGITS {result /= val[2]}
- | expr '^' DIGITS {result **= val[2]}
- | '-' expr =UNARY {result = -val[1]}
- | '+' expr =UNARY {result = +val[1]}
- | '(' expr ')' {result = val[1]}
- ;
-
- time : DIGITS unit {result = val[0] * val[1]}
- ;
-
- unit : {result = 1} | UNIT
- ;
-
- iso : DURATION
- ;
-
----- header ----
----- inner ----
-
- 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+[ymdhsw]/i
- /\Ap(\d+y)?(\d+m)?(\d+d)?t?(\d+h)?(\d+m)?(\d+s)?(\d+w)?/i =~ str
- 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
-
----- footer ----