diff options
Diffstat (limited to 'ds9/parsers/enviparser.tcl')
-rw-r--r-- | ds9/parsers/enviparser.tcl | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/ds9/parsers/enviparser.tcl b/ds9/parsers/enviparser.tcl new file mode 100644 index 0000000..8f2fc60 --- /dev/null +++ b/ds9/parsers/enviparser.tcl @@ -0,0 +1,324 @@ +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 envi { + variable yylval {} + variable table + variable rules + variable token {} + variable yycnt 0 + variable yyerr 0 + variable save_state 0 + + namespace export yylex +} + +proc envi::YYABORT {} { + return -code return 1 +} + +proc envi::YYACCEPT {} { + return -code return 0 +} + +proc envi::YYERROR {} { + variable yyerr + set yyerr 1 +} + +proc envi::yyclearin {} { + variable token + variable yycnt + set token {} + incr yycnt -1 +} + +proc envi::yyerror {s} { + puts stderr $s +} + +proc envi::setupvalues {stack pointer numsyms} { + upvar 1 1 y + set y {} + for {set i 1} {$i <= $numsyms} {incr i} { + upvar 1 $i y + set y [lindex $stack $pointer] + incr pointer + } +} + +proc envi::unsetupvalues {numsyms} { + for {set i 1} {$i <= $numsyms} {incr i} { + upvar 1 $i y + unset y + } +} + +array set envi::table { + 6:0 reduce + 3:0,target 1 + 0:257 reduce + 7:0 reduce + 6:257,target 8 + 0:258 shift + 1:257 reduce + 8:0 reduce + 0:259 goto + 8:257,target 5 + 3:257 reduce + 0:261 goto + 7:0,target 3 + 4:257 shift + 1:257,target 7 + 0:262 goto + 0:258,target 1 + 5:257 shift + 3:260 goto + 6:257 shift + 3:257,target 2 + 0:261,target 3 + 2:0,target 0 + 8:257 reduce + 5:257,target 7 + 3:260,target 5 + 6:0,target 4 + 0:257,target 6 + 2:0 accept + 8:0,target 5 + 3:0 reduce + 0:259,target 2 + 4:257,target 6 + 0:262,target 4 +} + +array set envi::rules { + 0,l 263 + 1,l 259 + 2,l 260 + 3,l 259 + 4,l 261 + 5,l 261 + 6,l 262 + 7,l 262 +} + +array set envi::rules { + 5,dc 3 + 7,dc 1 + 0,dc 1 + 2,dc 0 + 4,dc 2 + 6,dc 0 + 1,dc 1 + 3,dc 3 +} + +array set envi::rules { + 5,line 21 + 7,line 25 + 2,e 1 + 2,line 16 + 4,line 20 + 6,line 24 + 1,line 16 + 3,line 17 +} + +array set envi::lr1_table { + 0 {{0 0 0} {1 0 0} {3 0 0} {4 {0 257} 0} {5 {0 257} 0} {6 257 0} {7 257 0}} + 1 {{7 257 1}} + 2 {{0 0 1}} + 3 {{1 0 1} {3 0 1} {2 257 0}} + 4 {{4 {0 257} 1} {5 {0 257} 1}} + 0,trans {{258 1} {259 2} {261 3} {262 4}} + 1,trans {} + 5 {{3 0 2}} + 2,trans {} + 6 {{4 {0 257} 2} {5 {0 257} 2}} + 7 {{3 0 3}} + 3,trans {{260 5}} + 8 {{5 {0 257} 3}} + 4,trans {{257 6}} + 5,trans {{257 7}} + 6,trans {{257 8}} + 7,trans {} + 8,trans {} +} + +array set envi::token_id_table { + 262,title {} + 0 {$} + 0,t 0 + 263,title {} + error,t 0 + error error + 258,line 11 + 261,line 19 + error,line 14 + 257 STRING_ + 257,t 0 + 263,line 26 + 258 NEW_ + 258,t 0 + 260,t 1 + 260 @PSEUDO1 + 259,t 1 + 259 command + error,title {} + 261,t 1 + 261 envi + 262,t 1 + 262 opts + 257,line 7 + 263,t 1 + 263 start' + 260,line 16 + 259,line 15 + 257,title string + 258,title NEW + 262,line 23 + 260,title {} + 259,title {} + 261,title {} +} + +proc envi::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 { ImportENVIFile $2 [FindENVIDataFile $2]; FinishLoad } + 5 { ImportENVIFile $2 $3; FinishLoad } + 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 envi::yyerror {msg} { + variable yycnt + variable yy_current_buffer + variable index_ + + ParserError $msg $yycnt $yy_current_buffer $index_ +} |