Sandbox::https://github.com/qiuping/sqlcipher/blob/master/addopcodes.awk

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#!/usr/bin/awk

# This script appends additional token codes to the end of the

# parse.h file that lemon generates. These extra token codes are

# not used by the parser. But they are used by the tokenizer and/or

# the code generator.

BEGIN {

max = 0

}

/^#define TK_/ {

print $0

if( max<$3 ) max = $3

}

END {

printf "#define TK_%-29s %4d\n", "TO_TEXT", ++max

printf "#define TK_%-29s %4d\n", "TO_BLOB", ++max

printf "#define TK_%-29s %4d\n", "TO_NUMERIC", ++max

printf "#define TK_%-29s %4d\n", "TO_INT", ++max

printf "#define TK_%-29s %4d\n", "TO_REAL", ++max

printf "#define TK_%-29s %4d\n", "END_OF_FILE", ++max

printf "#define TK_%-29s %4d\n", "ILLEGAL", ++max

printf "#define TK_%-29s %4d\n", "SPACE", ++max

printf "#define TK_%-29s %4d\n", "UNCLOSED_STRING", ++max

printf "#define TK_%-29s %4d\n", "FUNCTION", ++max

printf "#define TK_%-29s %4d\n", "COLUMN", ++max

printf "#define TK_%-29s %4d\n", "AGG_FUNCTION", ++max

printf "#define TK_%-29s %4d\n", "AGG_COLUMN", ++max

printf "#define TK_%-29s %4d\n", "CONST_FUNC", ++max

}