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|
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 cursor {
variable yylval {}
variable table
variable rules
variable token {}
variable yycnt 0
variable yyerr 0
variable save_state 0
namespace export yylex
}
proc cursor::YYABORT {} {
return -code return 1
}
proc cursor::YYACCEPT {} {
return -code return 0
}
proc cursor::YYERROR {} {
variable yyerr
set yyerr 1
}
proc cursor::yyclearin {} {
variable token
variable yycnt
set token {}
incr yycnt -1
}
proc cursor::yyerror {s} {
puts stderr $s
}
proc cursor::setupvalues {stack pointer numsyms} {
upvar 1 1 y
set y {}
for {set i 1} {$i <= $numsyms} {incr i} {
upvar 1 $i y
set y [lindex $stack $pointer]
incr pointer
}
}
proc cursor::unsetupvalues {numsyms} {
for {set i 1} {$i <= $numsyms} {incr i} {
upvar 1 $i y
unset y
}
}
array set cursor::table {
6:0 reduce
3:0,target 1
0:257 shift
5:258,target 6
1:257 shift
0:259 goto
0:261 goto
3:258 reduce
1:257,target 4
4:258 reduce
3:260 goto
5:258 shift
0:261,target 3
2:0,target 0
4:258,target 4
3:260,target 5
4:0,target 4
6:0,target 3
0:257,target 1
2:0 accept
0:259,target 2
3:0 reduce
4:0 reduce
3:258,target 2
}
array set cursor::rules {
0,l 262
1,l 259
2,l 260
3,l 259
4,l 261
}
array set cursor::rules {
0,dc 1
2,dc 0
4,dc 2
1,dc 1
3,dc 3
}
array set cursor::rules {
2,e 1
2,line 16
4,line 20
1,line 16
3,line 17
}
array set cursor::lr1_table {
0 {{0 0 0} {1 0 0} {3 0 0} {4 {0 258} 0}}
1 {{4 {0 258} 1}}
2 {{0 0 1}}
3 {{1 0 1} {3 0 1} {2 258 0}}
0,trans {{257 1} {259 2} {261 3}}
4 {{4 {0 258} 2}}
1,trans {{257 4}}
5 {{3 0 2}}
2,trans {}
6 {{3 0 3}}
3,trans {{260 5}}
4,trans {}
5,trans {{258 6}}
6,trans {}
}
array set cursor::token_id_table {
262,title {}
0 {$}
0,t 0
error,t 0
error error
258,line 9
261,line 19
error,line 14
257 INT_
257,t 0
258 STRING_
258,t 0
260,t 1
260 @PSEUDO1
259,t 1
259 command
error,title {}
261,t 1
261 cursor
262,t 1
262 start'
257,line 7
260,line 16
259,line 15
257,title integer
258,title string
262,line 21
260,title {}
259,title {}
261,title {}
}
proc cursor::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 { CursorCmd $1 $2 }
}
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 cursor::yyerror {msg} {
variable yycnt
variable yy_current_buffer
variable index_
ParserError $msg $yycnt $yy_current_buffer $index_
}
|
