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Side by Side Diff: third_party/sqlite/sqlite-src-3100200/tool/addopcodes.tcl

Issue 2846743003: [sql] Remove SQLite 3.10.2 reference directory. (Closed)
Patch Set: Created 3 years, 7 months ago
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1 #!/usr/bin/tclsh
2 #
3 # This script appends additional token codes to the end of the
4 # parse.h file that lemon generates. These extra token codes are
5 # not used by the parser. But they are used by the tokenizer and/or
6 # the code generator.
7 #
8 #
9 set in [open [lindex $argv 0] rb]
10 set max 0
11 while {![eof $in]} {
12 set line [gets $in]
13 if {[regexp {^#define TK_} $line]} {
14 puts $line
15 set x [lindex $line 2]
16 if {$x>$max} {set max $x}
17 }
18 }
19 close $in
20
21 # The following are the extra token codes to be added. SPACE and
22 # ILLEGAL *must* be the last two token codes and they must be in that order.
23 #
24 set extras {
25 TO_TEXT
26 TO_BLOB
27 TO_NUMERIC
28 TO_INT
29 TO_REAL
30 ISNOT
31 END_OF_FILE
32 UNCLOSED_STRING
33 FUNCTION
34 COLUMN
35 AGG_FUNCTION
36 AGG_COLUMN
37 UMINUS
38 UPLUS
39 REGISTER
40 ASTERISK
41 SPACE
42 ILLEGAL
43 }
44 if {[lrange $extras end-1 end]!="SPACE ILLEGAL"} {
45 error "SPACE and ILLEGAL must be the last two token codes and they\
46 must be in that order"
47 }
48 foreach x $extras {
49 incr max
50 puts [format "#define TK_%-29s %4d" $x $max]
51 }
52
53 # Some additional #defines related to token codes.
54 #
55 puts "\n/* The token codes above must all fit in 8 bits */"
56 puts [format "#define %-20s %-6s" TKFLG_MASK 0xff]
57 puts "\n/* Flags that can be added to a token code when it is not"
58 puts "** being stored in a u8: */"
59 foreach {fg val comment} {
60 TKFLG_DONTFOLD 0x100 {/* Omit constant folding optimizations */}
61 } {
62 puts [format "#define %-20s %-6s %s" $fg $val $comment]
63 }
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