Import SQLite 3.10.2.

third_party/sqlite/src/tool/cg_anno.tcl

 #!/usr/bin/tclsh
 #
 # A wrapper around cg_annotate that sets appropriate command-line options
 # and rearranges the output so that annotated files occur in a consistent
 # sorted order.  Used by the run-speed-test.tcl script.
 #
 
 set in [open "|cg_annotate --show=Ir --auto=yes --context=40 $argv" r]
 set dest !
 set out(!) {}
 while {![eof $in]} {
   set line [string map {\t {        }} [gets $in]]
   if {[regexp {^-- Auto-annotated source: (.*)} $line all name]} {
     set dest $name
   } elseif {[regexp {^-- line \d+ ------} $line]} {
     set line [lreplace $line 2 2 {#}]
   } elseif {[regexp {^The following files chosen for } $line]} {
     set dest !
   }
   append out($dest) $line\n
 }
 foreach x [lsort [array names out]] {
   puts $out($x)
 }