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author | William Joye <wjoye@cfa.harvard.edu> | 2019-01-19 19:38:05 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2019-01-19 19:38:05 (GMT) |
commit | 4530b547880bded9b583ed9b73cbfdb34fb5209a (patch) | |
tree | 8ebc8f4ac79085234176a775856c6484f4317b10 /ds9/parsers/xpasendparser.tcl | |
parent | 5dcb7f4de642a0c2580066fd1e1b7efd58b9f6b7 (diff) | |
download | blt-4530b547880bded9b583ed9b73cbfdb34fb5209a.zip blt-4530b547880bded9b583ed9b73cbfdb34fb5209a.tar.gz blt-4530b547880bded9b583ed9b73cbfdb34fb5209a.tar.bz2 |
parser scripts now in repo
Diffstat (limited to 'ds9/parsers/xpasendparser.tcl')
-rw-r--r-- | ds9/parsers/xpasendparser.tcl | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/ds9/parsers/xpasendparser.tcl b/ds9/parsers/xpasendparser.tcl new file mode 100644 index 0000000..06bc6a4 --- /dev/null +++ b/ds9/parsers/xpasendparser.tcl @@ -0,0 +1,254 @@ +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 xpasend { + variable yylval {} + variable table + variable rules + variable token {} + variable yycnt 0 + variable yyerr 0 + variable save_state 0 + + namespace export yylex +} + +proc xpasend::YYABORT {} { + return -code return 1 +} + +proc xpasend::YYACCEPT {} { + return -code return 0 +} + +proc xpasend::YYERROR {} { + variable yyerr + set yyerr 1 +} + +proc xpasend::yyclearin {} { + variable token + variable yycnt + set token {} + incr yycnt -1 +} + +proc xpasend::yyerror {s} { + puts stderr $s +} + +proc xpasend::setupvalues {stack pointer numsyms} { + upvar 1 1 y + set y {} + for {set i 1} {$i <= $numsyms} {incr i} { + upvar 1 $i y + set y [lindex $stack $pointer] + incr pointer + } +} + +proc xpasend::unsetupvalues {numsyms} { + for {set i 1} {$i <= $numsyms} {incr i} { + upvar 1 $i y + unset y + } +} + +array set xpasend::table { + 2:0 accept + 0:257 shift + 0:258,target 2 + 0:0,target 1 + 0:258 goto + 1:0,target 2 + 0:0 reduce + 2:0,target 0 + 1:0 reduce + 0:257,target 1 +} + +array set xpasend::rules { + 0,l 259 + 1,l 258 + 2,l 258 +} + +array set xpasend::rules { + 0,dc 1 + 2,dc 1 + 1,dc 0 +} + +array set xpasend::rules { + 2,line 14 + 1,line 13 +} + +array set xpasend::lr1_table { + 0,trans {{257 1} {258 2}} + 0 {{0 0 0} {1 0 0} {2 0 0}} + 1,trans {} + 1 {{2 0 1}} + 2,trans {} + 2 {{0 0 1}} +} + +array set xpasend::token_id_table { + 0 {$} + 0,t 0 + error error + error,t 0 + 258,line 12 + 257 INFO_ + 257,t 0 + error,line 11 + 258,t 1 + 258 xpasend + 259,t 1 + 259 start' + error,title {} + 257,line 8 + 259,line 15 + 257,title INFO + 258,title {} + 259,title {} +} + +proc xpasend::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 { + 1 { ProcessSendCmd XPAInfoResult } + 2 { ProcessSendCmd XPAInfoResult } + } + 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 xpasend::yyerror {msg} { + variable yycnt + variable yy_current_buffer + variable index_ + + ParserError $msg $yycnt $yy_current_buffer $index_ +} |