package provide DS9 1.0

######
# Begin autogenerated taccle (version 1.3) routines.
# Although taccle itself is protected by the GNU Public License (GPL)
# all user-supplied functions are protected by their respective
# author's license.  See http://mini.net/tcl/taccle for other details.
######

namespace eval orient {
    variable yylval {}
    variable table
    variable rules
    variable token {}
    variable yycnt 0
    variable yyerr 0
    variable save_state 0

    namespace export yylex
}

proc orient::YYABORT {} {
    return -code return 1
}

proc orient::YYACCEPT {} {
    return -code return 0
}

proc orient::YYERROR {} {
    variable yyerr
    set yyerr 1
}

proc orient::yyclearin {} {
    variable token
    variable yycnt
    set token {}
    incr yycnt -1
}

proc orient::yyerror {s} {
    puts stderr $s
}

proc orient::setupvalues {stack pointer numsyms} {
    upvar 1 1 y
    set y {}
    for {set i 1} {$i <= $numsyms} {incr i} {
        upvar 1 $i y
        set y [lindex $stack $pointer]
        incr pointer
    }
}

proc orient::unsetupvalues {numsyms} {
    for {set i 1} {$i <= $numsyms} {incr i} {
        upvar 1 $i y
        unset y
    }
}

array set orient::table {
  0:258 shift
  0:259 shift
  0:260 shift
  2:257 reduce
  5:0,target 6
  9:0 accept
  8:257,target 12
  0:261 shift
  11:0 reduce
  0:262 goto
  4:257 reduce
  0:264 goto
  3:257,target 8
  6:257 reduce
  0:265 goto
  8:257 reduce
  0:265,target 11
  6:0,target 7
  10:257,target 2
  2:0 reduce
  6:0 reduce
  0:264,target 10
  6:257,target 7
  0:X shift
  0:Y shift
  7:0,target 5
  1:257,target 9
  10:0,target 1
  0:y,target 4
  10:257 reduce
  12:257 shift
  8:0,target 12
  0:x,target 3
  3:0 reduce
  10:263 goto
  1:0,target 9
  11:0,target 4
  0:262,target 9
  4:257,target 10
  1:257 reduce
  7:0 reduce
  3:257 reduce
  11:257,target 4
  5:257 reduce
  13:0 reduce
  9:0,target 0
  0:261,target 8
  7:257 reduce
  2:0,target 11
  10:263,target 12
  7:257,target 5
  0:260,target 7
  0:259,target 6
  2:257,target 11
  4:0 reduce
  3:0,target 8
  13:0,target 3
  8:0 reduce
  0:x shift
  10:0 reduce
  0:y shift
  0:258,target 5
  0:Y,target 2
  5:257,target 6
  4:0,target 10
  11:257 reduce
  1:0 reduce
  0:X,target 1
  12:257,target 13
  5:0 reduce
}

array set orient::rules {
  9,l 265
  11,l 265
  2,l 263
  6,l 264
  12,l 265
  3,l 262
  7,l 265
  0,l 266
  4,l 264
  8,l 265
  10,l 265
  1,l 262
  5,l 264
}

array set orient::rules {
  5,dc 1
  0,dc 1
  12,dc 1
  8,dc 1
  3,dc 3
  10,dc 1
  6,dc 1
  1,dc 1
  9,dc 1
  4,dc 1
  11,dc 1
  7,dc 1
  2,dc 0
}

array set orient::rules {
  2,e 1
  7,line 28
  10,line 31
  4,line 23
  1,line 19
  9,line 30
  12,line 33
  6,line 25
  3,line 20
  8,line 29
  11,line 32
  5,line 24
  2,line 19
}

array set orient::lr1_table {
  13,trans {}
  0 {{0 0 0} {1 0 0} {3 0 0} {4 {0 257} 0} {5 {0 257} 0} {6 {0 257} 0} {7 {0 257} 0} {8 {0 257} 0} {9 {0 257} 0} {10 {0 257} 0} {11 {0 257} 0} {12 {0 257} 0}}
  1 {{9 {0 257} 1}}
  2 {{11 {0 257} 1}}
  3 {{8 {0 257} 1}}
  0,trans {{X 1} {Y 2} {x 3} {y 4} {258 5} {259 6} {260 7} {261 8} {262 9} {264 10} {265 11}}
  4 {{10 {0 257} 1}}
  1,trans {}
  5 {{6 {0 257} 1}}
  2,trans {}
  6 {{7 {0 257} 1}}
  3,trans {}
  7 {{5 {0 257} 1}}
  4,trans {}
  8 {{12 {0 257} 1}}
  5,trans {}
  9 {{0 0 1}}
  10 {{1 0 1} {3 0 1} {2 257 0}}
  6,trans {}
  11 {{4 {0 257} 1}}
  12 {{3 0 2}}
  7,trans {}
  13 {{3 0 3}}
  8,trans {}
  10,trans {{263 12}}
  9,trans {}
  11,trans {}
  12,trans {{257 13}}
}

array set orient::token_id_table {
  264,line 22
  265,title {}
  261,line 14
  257,t 0
  y,t 0
  257,line 7
  262,t 1
  X,line 29
  266,t 1
  259,title NONE
  260,title OPEN
  y,title {}
  266,line 34
  error error
  264,title {}
  y,line 30
  error,line 17
  258,t 0
  263,line 19
  X,t 0
  error,title {}
  X X
  Y Y
  263,t 1
  259,line 12
  260,line 13
  258,title CLOSE
  x,title {}
  263,title {}
  257 STRING_
  258 CLOSE_
  259,t 0
  259 NONE_
  260 OPEN_
  260,t 0
  Y,t 0
  261 XY_
  265,line 27
  262 command
  263 @PSEUDO1
  257,title string
  264 orient
  264,t 1
  x,line 28
  265 orientation
  266 start'
  262,line 18
  Y,title {}
  0 {$}
  0,t 0
  262,title {}
  error,t 0
  258,line 11
  266,title {}
  Y,line 31
  x x
  x,t 0
  y y
  261,t 0
  265,t 1
  X,title {}
  261,title XY
}

proc orient::yyparse {} {
    variable yylval
    variable table
    variable rules
    variable token
    variable yycnt
    variable lr1_table
    variable token_id_table
    variable yyerr
    variable save_state

    set yycnt 0
    set state_stack {0}
    set value_stack {{}}
    set token ""
    set accepted 0
    set yyerr 0
    set save_state 0

    while {$accepted == 0} {
        set state [lindex $state_stack end]
        if {$token == ""} {
            set yylval ""
            set token [yylex]
            set buflval $yylval
	    if {$token>0} {
	        incr yycnt
            }
        }
        if {![info exists table($state:$token)] || $yyerr} {
	    if {!$yyerr} {
	        set save_state $state
	    }
            # pop off states until error token accepted
            while {[llength $state_stack] > 0 && \
                       ![info exists table($state:error)]} {
                set state_stack [lrange $state_stack 0 end-1]
                set value_stack [lrange $value_stack 0 \
                                       [expr {[llength $state_stack] - 1}]]
                set state [lindex $state_stack end]
            }
            if {[llength $state_stack] == 0} {
 
	        set rr { }
                if {[info exists lr1_table($save_state,trans)] && [llength $lr1_table($save_state,trans)] >= 1} {
                    foreach trans $lr1_table($save_state,trans) {
                        foreach {tok_id nextstate} $trans {
			    set ss $token_id_table($tok_id,title)
			    if {$ss != {}} {
			        append rr "$ss, "
                            }
                        }
                    }
                }
		set rr [string trimleft $rr { }]
		set rr [string trimright $rr {, }]
                yyerror "parse error, expecting: $rr"


                return 1
            }
            lappend state_stack [set state $table($state:error,target)]
            lappend value_stack {}
            # consume tokens until it finds an acceptable one
            while {![info exists table($state:$token)]} {
                if {$token == 0} {
                    yyerror "end of file while recovering from error"
                    return 1
                }
                set yylval {}
                set token [yylex]
                set buflval $yylval
            }
            continue
        }
        switch -- $table($state:$token) {
            shift {
                lappend state_stack $table($state:$token,target)
                lappend value_stack $buflval
                set token ""
            }
            reduce {
                set rule $table($state:$token,target)
                set ll $rules($rule,l)
                if {[info exists rules($rule,e)]} {
                    set dc $rules($rule,e)
                } else {
                    set dc $rules($rule,dc)
                }
                set stackpointer [expr {[llength $state_stack]-$dc}]
                setupvalues $value_stack $stackpointer $dc
                set _ $1
                set yylval [lindex $value_stack end]
                switch -- $rule {
                    2 { global ds9; if {!$ds9(init)} {YYERROR} else {yyclearin; YYACCEPT} }
                    4 { ProcessCmdSet current orient $1 ChangeOrient }
                    5 { PanZoomDialog }
                    6 { PanZoomDestroyDialog }
                    7 { set _ none }
                    8 { set _ x }
                    9 { set _ x }
                    10 { set _ y }
                    11 { set _ y }
                    12 { set _ xy }
                }
                unsetupvalues $dc
                # pop off tokens from the stack if normal rule
                if {![info exists rules($rule,e)]} {
                    incr stackpointer -1
                    set state_stack [lrange $state_stack 0 $stackpointer]
                    set value_stack [lrange $value_stack 0 $stackpointer]
                }
                # now do the goto transition
                lappend state_stack $table([lindex $state_stack end]:$ll,target)
                lappend value_stack $_
            }
            accept {
                set accepted 1
            }
            goto -
            default {
                puts stderr "Internal parser error: illegal command $table($state:$token)"
                return 2
            }
        }
    }
    return 0
}

######
# end autogenerated taccle functions
######

proc orient::yyerror {msg} {
     variable yycnt
     variable yy_current_buffer
     variable index_

     ParserError $msg $yycnt $yy_current_buffer $index_
}
