parser scripts now in repo

1 files changed, 287 insertions, 0 deletions

diff --git a/ds9/parsers/backupparser.tcl b/ds9/parsers/backupparser.tcl
new file mode 100644
index 0000000..9b8aa7b
--- /dev/null
+++ b/ds9/parsers/backupparser.tcl
@@ -0,0 +1,287 @@
+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 backup {
+    variable yylval {}
+    variable table
+    variable rules
+    variable token {}
+    variable yycnt 0
+    variable yyerr 0
+    variable save_state 0
+
+    namespace export yylex
+}
+
+proc backup::YYABORT {} {
+    return -code return 1
+}
+
+proc backup::YYACCEPT {} {
+    return -code return 0
+}
+
+proc backup::YYERROR {} {
+    variable yyerr
+    set yyerr 1
+}
+
+proc backup::yyclearin {} {
+    variable token
+    variable yycnt
+    set token {}
+    incr yycnt -1
+}
+
+proc backup::yyerror {s} {
+    puts stderr $s
+}
+
+proc backup::setupvalues {stack pointer numsyms} {
+    upvar 1 1 y
+    set y {}
+    for {set i 1} {$i <= $numsyms} {incr i} {
+        upvar 1 $i y
+        set y [lindex $stack $pointer]
+        incr pointer
+    }
+}
+
+proc backup::unsetupvalues {numsyms} {
+    for {set i 1} {$i <= $numsyms} {incr i} {
+        upvar 1 $i y
+        unset y
+    }
+}
+
+array set backup::table {
+  3:0,target 1
+  0:257 shift
+  0:258 goto
+  1:257 reduce
+  5:0,target 3
+  0:260 goto
+  3:257 reduce
+  4:257 shift
+  0:258,target 2
+  1:257,target 4
+  3:259 goto
+  3:257,target 2
+  2:0,target 0
+  3:259,target 4
+  0:257,target 1
+  1:0 reduce
+  2:0 accept
+  3:0 reduce
+  0:260,target 3
+  1:0,target 4
+  5:0 reduce
+  4:257,target 5
+}
+
+array set backup::rules {
+  0,l 261
+  1,l 258
+  2,l 259
+  3,l 258
+  4,l 260
+}
+
+array set backup::rules {
+  0,dc 1
+  2,dc 0
+  4,dc 1
+  1,dc 1
+  3,dc 3
+}
+
+array set backup::rules {
+  2,e 1
+  2,line 14
+  4,line 18
+  1,line 14
+  3,line 15
+}
+
+array set backup::lr1_table {
+  0 {{0 0 0} {1 0 0} {3 0 0} {4 {0 257} 0}}
+  1 {{4 {0 257} 1}}
+  2 {{0 0 1}}
+  3 {{1 0 1} {3 0 1} {2 257 0}}
+  0,trans {{257 1} {258 2} {260 3}}
+  4 {{3 0 2}}
+  1,trans {}
+  5 {{3 0 3}}
+  2,trans {}
+  3,trans {{259 4}}
+  4,trans {{257 5}}
+  5,trans {}
+}
+
+array set backup::token_id_table {
+  0 {$}
+  0,t 0
+  error error
+  error,t 0
+  258,line 13
+  261,line 19
+  257 STRING_
+  257,t 0
+  error,line 12
+  258,t 1
+  258 command
+  260,t 1
+  260 backup
+  259,t 1
+  259 @PSEUDO1
+  error,title {}
+  261,t 1
+  261 start'
+  257,line 7
+  260,line 17
+  259,line 14
+  257,title string
+  258,title {}
+  260,title {}
+  259,title {}
+  261,title {}
+}
+
+proc backup::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 { FileLast backupfbox $1; Backup $1 }
+                }
+                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 backup::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}