third_party/sqlite/src/tool/mkopts.tcl

   1 #!/usr/bin/tclsh
   2 #
   3 # This script is used to generate the array of strings and the enum
   4 # that appear at the beginning of the C code implementation of a
   5 # a TCL command and that define the available subcommands for that
   6 # TCL command.
   7
   8 set prefix {}
   9 while {![eof stdin]} {
  10   set line [gets stdin]
  11   if {$line==""} continue
  12   regsub -all "\[ \t\n,\]+" [string trim $line] { } line
  13   foreach token [split $line { }] {
  14     if {![regexp {(([a-zA-Z]+)_)?([_a-zA-Z]+)} $token all px p2 name]} continue
  15     lappend namelist [string tolower $name]
  16     if {$px!=""} {set prefix $p2}
  17   }
  18 }
  19
  20 puts "  static const char *${prefix}_strs\[\] = \173"
  21 set col 0
  22 proc put_item x {
  23   global col
  24   if {$col==0} {puts -nonewline "   "}
  25   if {$col<2} {
  26     puts -nonewline [format " %-21s" $x]
  27     incr col
  28   } else {
  29     puts $x
  30     set col 0
  31   }
  32 }
  33 proc finalize {} {
  34   global col
  35   if {$col>0} {puts {}}
  36   set col 0
  37 }
  38
  39 foreach name [lsort $namelist] {
  40   put_item \"$name\",
  41 }
  42 put_item 0
  43 finalize
  44 puts "  \175;"
  45 puts "  enum ${prefix}_enum \173"
  46 foreach name [lsort $namelist] {
  47   regsub -all {@} $name {} name
  48   put_item ${prefix}_[string toupper $name],
  49 }
  50 finalize
  51 puts "  \175;"