[sql] Import reference version of SQLite 3.7.6.3.

third_party/sqlite/sqlite-src-3070603/mkopcodeh.awk

 #!/usr/bin/awk -f
 #
 # Generate the file opcodes.h.
 #
 # This AWK script scans a concatenation of the parse.h output file from the
 # parser and the vdbe.c source file in order to generate the opcodes numbers
 # for all opcodes.  
 #
 # The lines of the vdbe.c that we are interested in are of the form:
 #
@@ skipping 141 matching lines @@
   print "#define OPFLG_OUT2            0x0020  /* out2:  P2 is an output */"
   print "#define OPFLG_OUT3            0x0040  /* out3:  P3 is an output */"
   print "#define OPFLG_INITIALIZER {\\"
   for(i=0; i<=max; i++){
     if( i%8==0 ) printf("/* %3d */",i)
     printf " 0x%02x,", bv[i]
     if( i%8==7 ) printf("\\\n");
   }
   print "}"
 }