diff options
Diffstat (limited to 'ds9/parsers/sfitsparser.tcl')
| -rw-r--r-- | ds9/parsers/sfitsparser.tcl | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/ds9/parsers/sfitsparser.tcl b/ds9/parsers/sfitsparser.tcl new file mode 100644 index 0000000..6df65a4 --- /dev/null +++ b/ds9/parsers/sfitsparser.tcl @@ -0,0 +1,362 @@ +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 sfits { + variable yylval {} + variable table + variable rules + variable token {} + variable yycnt 0 + variable yyerr 0 + variable save_state 0 + + namespace export yylex +} + +proc sfits::YYABORT {} { + return -code return 1 +} + +proc sfits::YYACCEPT {} { + return -code return 0 +} + +proc sfits::YYERROR {} { + variable yyerr + set yyerr 1 +} + +proc sfits::yyclearin {} { + variable token + variable yycnt + set token {} + incr yycnt -1 +} + +proc sfits::yyerror {s} { + puts stderr $s +} + +proc sfits::setupvalues {stack pointer numsyms} { + upvar 1 1 y + set y {} + for {set i 1} {$i <= $numsyms} {incr i} { + upvar 1 $i y + set y [lindex $stack $pointer] + incr pointer + } +} + +proc sfits::unsetupvalues {numsyms} { + for {set i 1} {$i <= $numsyms} {incr i} { + upvar 1 $i y + unset y + } +} + +array set sfits::table { + 0:257 reduce + 0:258 reduce + 0:260 reduce + 0:259 shift + 15:0,target 5 + 0:261 goto + 6:260,target 10 + 0:262 goto + 4:257 shift + 0:263 goto + 4:258 shift + 1:260,target 7 + 4:260 shift + 6:257 shift + 15:0 reduce + 6:260 shift + 2:0 accept + 10:257,target 13 + 1:258,target 7 + 4:260,target 7 + 6:257,target 9 + 1:257,target 7 + 12:0 reduce + 13:257,target 15 + 0:263,target 4 + 4:258,target 6 + 10:257 shift + 9:257,target 12 + 3:0 reduce + 8:0,target 2 + 0:262,target 3 + 4:257,target 5 + 1:257 reduce + 1:258 reduce + 1:260 reduce + 5:257 shift + 11:257,target 14 + 0:261,target 2 + 2:0,target 0 + 7:257 shift + 12:0,target 3 + 9:257 shift + 7:257,target 11 + 0:260,target 6 + 0:259,target 1 + 3:0,target 1 + 8:0 reduce + 0:258,target 6 + 14:0 reduce + 5:257,target 8 + 14:0,target 4 + 11:257 shift + 0:257,target 6 + 13:257 shift +} + +array set sfits::rules { + 0,l 264 + 1,l 261 + 2,l 262 + 3,l 262 + 4,l 262 + 5,l 262 + 6,l 263 + 7,l 263 +} + +array set sfits::rules { + 5,dc 5 + 7,dc 1 + 0,dc 1 + 2,dc 3 + 4,dc 4 + 6,dc 0 + 1,dc 1 + 3,dc 4 +} + +array set sfits::rules { + 5,line 25 + 7,line 29 + 2,line 22 + 4,line 24 + 6,line 28 + 1,line 19 + 3,line 23 +} + +array set sfits::lr1_table { + 13,trans {{257 15}} + 0 {{0 0 0} {1 0 0} {2 0 0} {3 0 0} {4 0 0} {5 0 0} {6 {257 258 260} 0} {7 {257 258 260} 0}} + 14,trans {} + 1 {{7 {257 258 260} 1}} + 15,trans {} + 2 {{0 0 1}} + 3 {{1 0 1}} + 4 {{2 0 1} {3 0 1} {4 0 1} {5 0 1}} + 0,trans {{259 1} {261 2} {262 3} {263 4}} + 1,trans {} + 5 {{2 0 2}} + 2,trans {} + 6 {{3 0 2} {5 0 2}} + 3,trans {} + 7 {{4 0 2}} + 8 {{2 0 3}} + 4,trans {{257 5} {258 6} {260 7}} + 10 {{5 0 3}} + 9 {{3 0 3}} + 5,trans {{257 8}} + 11 {{4 0 3}} + 6,trans {{257 9} {260 10}} + 12 {{3 0 4}} + 7,trans {{257 11}} + 13 {{5 0 4}} + 8,trans {} + 14 {{4 0 4}} + 10,trans {{257 13}} + 9,trans {{257 12}} + 15 {{5 0 5}} + 11,trans {{257 14}} + 12,trans {} +} + +array set sfits::token_id_table { + 264,line 30 + 262,title {} + 0,t 0 + 0 {$} + 263,title {} + 264,title {} + error,t 0 + error error + 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 + 261,t 1 + 261 command + 262,t 1 + 262 sfits + 257,line 7 + 263,t 1 + 263 new + 264,t 1 + 264 start' + 260,line 13 + 257,title string + 259,line 12 + 258,title MASK + 262,line 21 + 260,title SLICE + 259,title NEW + 261,title {} +} + +proc sfits::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 { LoadSFitsFile $2 $3 {} {} } + 3 { LoadSFitsFile $3 $4 mask {} } + 4 { LoadSFitsFile $3 $4 {} slice } + 5 { LoadSFitsFile $4 $5 mask slice } + 7 { 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 sfits::yyerror {msg} { + variable yycnt + variable yy_current_buffer + variable index_ + + ParserError $msg $yycnt $yy_current_buffer $index_ +} |