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1 #!/usr/bin/tclsh | |
2 # | |
3 # This script constructs the "sqlite3.h" header file from the following | |
4 # sources: | |
5 # | |
6 # 1) The src/sqlite.h.in source file. This is the template for sqlite3.h. | |
7 # 2) The VERSION file containing the current SQLite version number. | |
8 # 3) The manifest file from the fossil SCM. This gives use the date. | |
9 # 4) The manifest.uuid file from the fossil SCM. This gives the SHA1 hash. | |
10 # | |
11 # Run this script by specifying the root directory of the source tree | |
12 # on the command-line. | |
13 # | |
14 # This script performs processing on src/sqlite.h.in. It: | |
15 # | |
16 # 1) Adds SQLITE_EXTERN in front of the declaration of global variables, | |
17 # 2) Adds SQLITE_API in front of the declaration of API functions, | |
18 # 3) Replaces the string --VERS-- with the current library version, | |
19 # formatted as a string (e.g. "3.6.17"), and | |
20 # 4) Replaces the string --VERSION-NUMBER-- with current library version, | |
21 # formatted as an integer (e.g. "3006017"). | |
22 # 5) Replaces the string --SOURCE-ID-- with the date and time and sha1 | |
23 # hash of the fossil-scm manifest for the source tree. | |
24 # | |
25 # This script outputs to stdout. | |
26 # | |
27 # Example usage: | |
28 # | |
29 # tclsh mksqlite3h.tcl ../sqlite >sqlite3.h | |
30 # | |
31 | |
32 | |
33 # Get the source tree root directory from the command-line | |
34 # | |
35 set TOP [lindex $argv 0] | |
36 | |
37 # Get the SQLite version number (ex: 3.6.18) from the $TOP/VERSION file. | |
38 # | |
39 set in [open $TOP/VERSION] | |
40 set zVersion [string trim [read $in]] | |
41 close $in | |
42 set nVersion [eval format "%d%03d%03d" [split $zVersion .]] | |
43 | |
44 # Get the fossil-scm version number from $TOP/manifest.uuid. | |
45 # | |
46 set in [open $TOP/manifest.uuid] | |
47 set zUuid [string trim [read $in]] | |
48 close $in | |
49 | |
50 # Get the fossil-scm check-in date from the "D" card of $TOP/manifest. | |
51 # | |
52 set in [open $TOP/manifest] | |
53 set zDate {} | |
54 while {![eof $in]} { | |
55 set line [gets $in] | |
56 if {[regexp {^D (2[-0-9T:]+)} $line all date]} { | |
57 set zDate [string map {T { }} $date] | |
58 break | |
59 } | |
60 } | |
61 close $in | |
62 | |
63 # Set up patterns for recognizing API declarations. | |
64 # | |
65 set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+sqlite3_[_a-zA-Z0-9]+(\[|;| =)} | |
66 set declpattern {^ *[a-zA-Z][a-zA-Z_0-9 ]+ \**sqlite3_[_a-zA-Z0-9]+\(} | |
67 | |
68 # Force the output to use unix line endings, even on Windows. | |
69 fconfigure stdout -translation lf | |
70 | |
71 set filelist [subst { | |
72 $TOP/src/sqlite.h.in | |
73 $TOP/ext/rtree/sqlite3rtree.h | |
74 }] | |
75 | |
76 # Process the source files. | |
77 # | |
78 foreach file $filelist { | |
79 set in [open $file] | |
80 while {![eof $in]} { | |
81 | |
82 set line [gets $in] | |
83 | |
84 # File sqlite3rtree.h contains a line "#include <sqlite3.h>". Omit this | |
85 # line when copying sqlite3rtree.h into sqlite3.h. | |
86 # | |
87 if {[string match {*#include*<sqlite3.h>*} $line]} continue | |
88 | |
89 regsub -- --VERS-- $line $zVersion line | |
90 regsub -- --VERSION-NUMBER-- $line $nVersion line | |
91 regsub -- --SOURCE-ID-- $line "$zDate $zUuid" line | |
92 | |
93 if {[regexp {define SQLITE_EXTERN extern} $line]} { | |
94 puts $line | |
95 puts [gets $in] | |
96 puts "" | |
97 puts "#ifndef SQLITE_API" | |
98 puts "# define SQLITE_API" | |
99 puts "#endif" | |
100 set line "" | |
101 } | |
102 | |
103 if {([regexp $varpattern $line] && ![regexp {^ *typedef} $line]) | |
104 || ([regexp $declpattern $line]) | |
105 } { | |
106 set line "SQLITE_API $line" | |
107 } | |
108 puts $line | |
109 } | |
110 close $in | |
111 } | |
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