parser scripts now in repo

1 files changed, 451 insertions, 0 deletions

diff --git a/ds9/parsers/nreslex.tcl b/ds9/parsers/nreslex.tcl
new file mode 100644
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+++ b/ds9/parsers/nreslex.tcl
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+package provide DS9 1.0
+
+######
+# Begin autogenerated fickle (version 2.1) routines.
+# Although fickle 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/fickle for other details.
+######
+
+namespace eval nres {
+    variable yylval
+
+    variable yytext {}
+    variable yyleng 0
+    variable yyin stdin
+    variable yyout stdout
+    variable yy_current_buffer {}
+
+    variable yylineno 1
+
+    variable index_ 0
+    variable done_ 0
+}
+
+# ECHO copies yytext to the scanner's output if no arguments are
+# given.  The scanner writes its ECHO output to the yyout global
+# (default, stdout), which may be redefined by the user simply by
+# assigning it to some other channel.
+#   -- from the flex(1) man page
+proc nres::ECHO {{s ""}} {
+    variable yytext
+    variable yyout
+
+    if {$s == ""} {
+        puts -nonewline $yyout $yytext
+    } else {
+        puts -nonewline $yyout $s
+    }
+}
+
+# YY_FLUSH_BUFFER flushes the scanner's internal buffer so that the
+# next time the scanner attempts to match a token, it will first
+# refill the buffer using YY_INPUT.
+#   -- from the flex(1) man page
+proc nres::YY_FLUSH_BUFFER {} {
+    variable yy_current_buffer
+    variable index_
+    variable done_
+
+    set yy_current_buffer ""
+    set index_ 0
+    set done_ 0
+}
+
+# yyrestart(new_file) may be called to point yyin at the new input
+# file.  The switch-over to the new file is immediate (any previously
+# buffered-up input is lost).  Note that calling yyrestart with yyin
+# as an argument thus throws away the current input buffer and
+# continues scanning the same input file.
+#   -- from the flex(1) man page
+proc nres::yyrestart {new_file} {
+    variable yyin
+
+    set yyin $new_file
+    YY_FLUSH_BUFFER
+}
+
+# The nature of how it gets its input can be controlled by defining
+# the YY_INPUT macro.  YY_INPUT's calling sequence is
+# "YY_INPUT(buf,result,max_size)".  Its action is to place up to
+# max_size characters in the character array buf and return in the
+# integer variable result either the number of characters read or the
+# constant YY_NULL (0 on Unix systems) to indicate EOF.  The default
+# YY_INPUT reads from the global file-pointer "yyin".
+#   -- from the flex(1) man page
+proc nres::YY_INPUT {buf result max_size} {
+    variable yyin
+
+    upvar $result ret_val
+    upvar $buf new_data
+    if {$yyin != ""} {
+        set new_data [read $yyin $max_size]
+        set ret_val [string length $new_data]
+    } else {
+        set new_data ""
+        set ret_val 0
+    }
+}
+
+# yy_scan_string sets up input buffers for scanning in-memory
+# strings instead of files.  Note that switching input sources does
+# not change the start condition.
+#   -- from the flex(1) man page
+proc nres::yy_scan_string {str} {
+    variable yy_current_buffer
+    variable yyin
+
+    append yy_current_buffer $str
+    set yyin ""
+}
+
+# unput(c) puts the character c back onto the input stream.  It will
+# be the next character scanned.
+#   -- from the flex(1) man page
+proc nres::unput {c} {
+    variable yy_current_buffer
+    variable index_
+
+    set s [string range $yy_current_buffer 0 [expr {$index_ - 1}]]
+    append s $c
+    set yy_current_buffer [append s [string range $yy_current_buffer $index_ end]]
+}
+
+# Returns all but the first n characters of the current token back to
+# the input stream, where they will be rescanned when the scanner
+# looks for the next match.  yytext and yyleng are adjusted
+# appropriately.
+#   -- from the flex(1) man page
+proc nres::yyless {n} {
+    variable yy_current_buffer
+    variable index_
+    variable yytext
+    variable yyleng
+
+    set s [string range $yy_current_buffer 0 [expr {$index_ - 1}]]
+    append s [string range $yytext $n end]
+    set yy_current_buffer [append s [string range $yy_current_buffer $index_ end]]
+    set yytext [string range $yytext 0 [expr {$n - 1}]]
+    set yyleng [string length $yytext]
+}
+
+# input() reads the next character from the input stream.
+#   -- from the flex(1) man page
+proc nres::input {} {
+    variable yy_current_buffer
+    variable index_
+    variable done_
+
+    if {[string length $yy_current_buffer] - $index_ < 1024} {
+       set new_buffer ""
+       set new_buffer_size 0
+       if {$done_ == 0} {
+           YY_INPUT new_buffer new_buffer_size 1024
+           append yy_current_buffer $new_buffer
+           if {$new_buffer_size == 0} {
+               set done_ 1
+           }
+       }
+       if $done_ {
+           if {[string length $yy_current_buffer] - $index_ == 0} {
+               return {}
+           }
+        }
+    }
+    set c [string index $yy_current_buffer $index_]
+    incr index_
+    return $c
+}
+
+######
+# autogenerated yylex function created by fickle
+######
+
+# Whenever yylex() is called, it scans tokens from the global input
+# file yyin (which defaults to stdin).  It continues until it either
+# reaches an end-of-file (at which point it returns the value 0) or
+# one of its actions executes a return statement.
+#   -- from the flex(1) man page
+proc nres::yylex {} {
+    variable yylval
+
+    variable yytext
+    variable yylineno
+    variable yyleng
+    variable yy_current_buffer
+    variable yy_flex_debug
+
+    variable index_
+    variable done_
+    variable state_table_
+
+set STRING_ 257
+set CLOSE_ 258
+set CROSSHAIR_ 259
+set NAME_ 260
+set OPEN_ 261
+set PAN_ 262
+set SERVER_ 263
+set SKYFORMAT_ 264
+set NEDSAO_ 265
+set NEDCDS_ 266
+set SIMBADSAO_ 267
+set SIMBADCDS_ 268
+set VIZIERSAO_ 269
+set VIZIERCDS_ 270
+set DEGREES_ 271
+set SEXAGESIMAL_ 272
+
+    while {1} {
+        if {[string length $yy_current_buffer] - $index_ < 1024} {
+            if {$done_ == 0} {
+	        set buffer_size 0
+                set new_buffer ""
+                YY_INPUT new_buffer buffer_size 1024
+                append yy_current_buffer $new_buffer
+                if {$buffer_size == 0 && \
+                        [string length $yy_current_buffer] - $index_ == 0} {
+                    set done_ 1
+                }
+            }
+            if $done_ {
+                if {[string length $yy_current_buffer] - $index_ == 0} {
+                    break
+                }
+            }            
+        }
+        set yyleng 0
+        set matched_rule -1
+        # rule 0: close
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(close)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 0
+        }
+        # rule 1: crosshair
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(crosshair)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 1
+        }
+        # rule 2: name
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(name)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 2
+        }
+        # rule 3: open
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(open)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 3
+        }
+        # rule 4: pan
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(pan)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 4
+        }
+        # rule 5: server
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(server)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 5
+        }
+        # rule 6: skyformat
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(skyformat)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 6
+        }
+        # rule 7: ned-sao
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(ned-sao)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 7
+        }
+        # rule 8: ned-cds
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(ned-cds)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 8
+        }
+        # rule 9: simbad-sao
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(simbad-sao)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 9
+        }
+        # rule 10: simbad-cds
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(simbad-cds)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 10
+        }
+        # rule 11: vizier-sao
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(vizier-sao)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 11
+        }
+        # rule 12: vizier-cds
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(vizier-cds)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 12
+        }
+        # rule 13: degrees
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(degrees)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 13
+        }
+        # rule 14: sexagesimal
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(sexagesimal)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 14
+        }
+        # rule 15: \"[^\"]*\"
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(\"[^\"]*\")} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 15
+        }
+        # rule 16: \'[^\']*\'
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(\'[^\']*\')} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 16
+        }
+        # rule 17: \{[^\}]*\}
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(\{[^\}]*\})} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 17
+        }
+        # rule 18: \S+\S+
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(\S+\S+)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 18
+        }
+        # rule 19: \s
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(\s)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 19
+        }
+        # rule 20: .
+        if {[regexp -start $index_ -indices -line -nocase -- {\A(.)} $yy_current_buffer match] > 0 && \
+                [lindex $match 1] - $index_ + 1 > $yyleng} {
+            set yytext [string range $yy_current_buffer $index_ [lindex $match 1]]
+            set yyleng [string length $yytext]
+            set matched_rule 20
+        }
+        if {$matched_rule == -1} {
+            set yytext [string index $yy_current_buffer $index_]
+            set yyleng 1
+        }
+        incr index_ $yyleng
+        # workaround for Tcl's circumflex behavior
+        if {[string index $yytext end] == "\n"} {
+            set yy_current_buffer [string range $yy_current_buffer $index_ end]
+            set index_ 0
+        }
+        set numlines [expr {[llength [split $yytext "\n"]] - 1}]
+        switch -- $matched_rule {
+            0 {
+return $CLOSE_
+            }
+            1 {
+return $CROSSHAIR_
+            }
+            2 {
+return $NAME_
+            }
+            3 {
+return $OPEN_
+            }
+            4 {
+return $PAN_
+            }
+            5 {
+return $SERVER_
+            }
+            6 {
+return $SKYFORMAT_
+            }
+            7 {
+return $NEDSAO_
+            }
+            8 {
+return $NEDCDS_
+            }
+            9 {
+return $SIMBADSAO_
+            }
+            10 {
+return $SIMBADCDS_
+            }
+            11 {
+return $VIZIERSAO_
+            }
+            12 {
+return $VIZIERCDS_
+            }
+            13 {
+return $DEGREES_
+            }
+            14 {
+return $SEXAGESIMAL_
+            }
+            15 {
+set yylval [string range $yytext 1 end-1]; return $STRING_
+            }
+            16 {
+set yylval [string range $yytext 1 end-1]; return $STRING_
+            }
+            17 {
+set yylval [string range $yytext 1 end-1]; return $STRING_
+            }
+            18 {
+set yylval $yytext; return $STRING_
+            }
+            19 {
+# ignore whitespace
+            }
+            20 {
+set yylval $yytext; return $yylval
+            }
+            default
+                { puts stderr "unmatched token: $yytext"; exit -1 }
+        }
+        incr yylineno $numlines
+    }
+    return 0
+}
+######
+# end autogenerated fickle functions
+######
+