parser scripts now in repo

1 files changed, 382 insertions, 0 deletions

diff --git a/ds9/parsers/fitsparser.tcl b/ds9/parsers/fitsparser.tcl
new file mode 100644
index 0000000..a3a5e76
--- /dev/null
+++ b/ds9/parsers/fitsparser.tcl
@@ -0,0 +1,382 @@
+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 fits {
+    variable yylval {}
+    variable table
+    variable rules
+    variable token {}
+    variable yycnt 0
+    variable yyerr 0
+    variable save_state 0
+
+    namespace export yylex
+}
+
+proc fits::YYABORT {} {
+    return -code return 1
+}
+
+proc fits::YYACCEPT {} {
+    return -code return 0
+}
+
+proc fits::YYERROR {} {
+    variable yyerr
+    set yyerr 1
+}
+
+proc fits::yyclearin {} {
+    variable token
+    variable yycnt
+    set token {}
+    incr yycnt -1
+}
+
+proc fits::yyerror {s} {
+    puts stderr $s
+}
+
+proc fits::setupvalues {stack pointer numsyms} {
+    upvar 1 1 y
+    set y {}
+    for {set i 1} {$i <= $numsyms} {incr i} {
+        upvar 1 $i y
+        set y [lindex $stack $pointer]
+        incr pointer
+    }
+}
+
+proc fits::unsetupvalues {numsyms} {
+    for {set i 1} {$i <= $numsyms} {incr i} {
+        upvar 1 $i y
+        unset y
+    }
+}
+
+array set fits::table {
+  0:257 reduce
+  0:258 reduce
+  0:260 reduce
+  0:259 shift
+  5:0,target 7
+  9:0 reduce
+  0:261 goto
+  6:260,target 9
+  11:0 reduce
+  0:262 goto
+  4:257 shift
+  4:258 shift
+  0:264 goto
+  1:260,target 9
+  4:260 shift
+  6:257 shift
+  7:263,target 11
+  6:260 shift
+  4:263 goto
+  6:263 goto
+  6:0,target 6
+  2:0 accept
+  1:258,target 9
+  6:0 reduce
+  6:257,target 5
+  0:264,target 4
+  4:260,target 7
+  7:0,target 6
+  1:257,target 9
+  12:0 reduce
+  0:0,target 8
+  10:0,target 3
+  4:258,target 6
+  9:257,target 5
+  8:0,target 2
+  3:0 reduce
+  1:0,target 9
+  11:0,target 4
+  0:262,target 3
+  4:257,target 5
+  7:0 reduce
+  1:257 reduce
+  1:258 reduce
+  1:260 reduce
+  9:0,target 6
+  0:261,target 2
+  7:257 shift
+  2:0,target 0
+  12:0,target 5
+  9:257 shift
+  7:257,target 5
+  0:0 reduce
+  7:263 goto
+  0:260,target 8
+  0:259,target 1
+  9:263 goto
+  4:0 reduce
+  6:263,target 10
+  3:0,target 1
+  8:0 reduce
+  10:0 reduce
+  0:258,target 8
+  9:263,target 12
+  4:0,target 6
+  0:257,target 8
+  1:0 reduce
+  4:263,target 8
+  5:0 reduce
+}
+
+array set fits::rules {
+  9,l 264
+  2,l 262
+  6,l 263
+  3,l 262
+  7,l 263
+  0,l 265
+  4,l 262
+  8,l 264
+  1,l 261
+  5,l 262
+}
+
+array set fits::rules {
+  5,dc 4
+  0,dc 1
+  8,dc 0
+  3,dc 3
+  6,dc 0
+  1,dc 1
+  9,dc 1
+  4,dc 3
+  7,dc 1
+  2,dc 2
+}
+
+array set fits::rules {
+  7,line 29
+  4,line 24
+  1,line 19
+  9,line 33
+  6,line 28
+  3,line 23
+  8,line 32
+  5,line 25
+  2,line 22
+}
+
+array set fits::lr1_table {
+  0 {{0 0 0} {1 0 0} {2 0 0} {3 0 0} {4 0 0} {5 0 0} {8 {0 257 258 260} 0} {9 {0 257 258 260} 0}}
+  1 {{9 {0 257 258 260} 1}}
+  2 {{0 0 1}}
+  3 {{1 0 1}}
+  4 {{2 0 1} {3 0 1} {4 0 1} {5 0 1} {6 0 0} {7 0 0}}
+  0,trans {{259 1} {261 2} {262 3} {264 4}}
+  1,trans {}
+  5 {{7 0 1}}
+  2,trans {}
+  6 {{3 0 2} {5 0 2} {6 0 0} {7 0 0}}
+  3,trans {}
+  7 {{4 0 2} {6 0 0} {7 0 0}}
+  4,trans {{257 5} {258 6} {260 7} {263 8}}
+  8 {{2 0 2}}
+  10 {{3 0 3}}
+  9 {{5 0 3} {6 0 0} {7 0 0}}
+  5,trans {}
+  11 {{4 0 3}}
+  6,trans {{257 5} {260 9} {263 10}}
+  12 {{5 0 4}}
+  7,trans {{257 5} {263 11}}
+  8,trans {}
+  10,trans {}
+  9,trans {{257 5} {263 12}}
+  11,trans {}
+  12,trans {}
+}
+
+array set fits::token_id_table {
+  264,line 31
+  262,title {}
+  0,t 0
+  0 {$}
+  263,title {}
+  264,title {}
+  error,t 0
+  error error
+  265,title {}
+  258,line 11
+  261,line 18
+  error,line 16
+  257 STRING_
+  257,t 0
+  263,line 27
+  258 MASK_
+  258,t 0
+  error,title {}
+  260,t 0
+  260 SLICE_
+  259 NEW_
+  259,t 0
+  265,line 34
+  261,t 1
+  261 command
+  262,t 1
+  262 fits
+  257,line 7
+  263,t 1
+  263 filename
+  264,t 1
+  264 new
+  260,line 13
+  257,title string
+  259,line 12
+  265,t 1
+  265 start'
+  258,title MASK
+  262,line 21
+  260,title SLICE
+  259,title NEW
+  261,title {}
+}
+
+proc fits::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 { FitsCmdLoad $2 {} {} }
+                    3 { FitsCmdLoad $3 mask {} }
+                    4 { FitsCmdLoad $3 {} slice }
+                    5 { FitsCmdLoad $4 mask slice }
+                    6 { set _ {} }
+                    7 { set _ $1 }
+                    9 { CreateFrame }
+                }
+                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 fits::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}