mirror of
https://github.com/sqlite/sqlite.git
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97 lines
2.7 KiB
Tcl
Executable File
97 lines
2.7 KiB
Tcl
Executable File
#!/usr/bin/tclsh
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#
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# This script constructs the "sqlite3.h" header file from the following
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# sources:
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#
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# 1) The src/sqlite.h.in source file. This is the template for sqlite3.h.
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# 2) The VERSION file containing the current SQLite version number.
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# 3) The manifest file from the fossil SCM. This gives use the date.
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# 4) The manifest.uuid file from the fossil SCM. This gives the SHA1 hash.
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#
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# Run this script by specifying the root directory of the source tree
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# on the command-line.
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#
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# This script performs processing on src/sqlite.h.in. It:
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#
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# 1) Adds SQLITE_EXTERN in front of the declaration of global variables,
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# 2) Adds SQLITE_API in front of the declaration of API functions,
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# 3) Replaces the string --VERS-- with the current library version,
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# formatted as a string (e.g. "3.6.17"), and
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# 4) Replaces the string --VERSION-NUMBER-- with current library version,
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# formatted as an integer (e.g. "3006017").
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# 5) Replaces the string --SOURCE-ID-- with the date and time and sha1
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# hash of the fossil-scm manifest for the source tree.
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#
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# This script outputs to stdout.
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#
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# Example usage:
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#
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# tclsh mksqlite3h.tcl ../sqlite >sqlite3.h
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#
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# Get the source tree root directory from the command-line
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#
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set TOP [lindex $argv 0]
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# Get the SQLite version number (ex: 3.6.18) from the $TOP/VERSION file.
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#
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set in [open $TOP/VERSION]
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set zVersion [string trim [read $in]]
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close $in
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set nVersion [eval format "%d%03d%03d" [split $zVersion .]]
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# Get the fossil-scm version number from $TOP/manifest.uuid.
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#
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set in [open $TOP/manifest.uuid]
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set zUuid [string trim [read $in]]
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close $in
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# Get the fossil-scm check-in date from the "D" card of $TOP/manifest.
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#
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set in [open $TOP/manifest]
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set zDate {}
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while {![eof $in]} {
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set line [gets $in]
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if {[regexp {^D (2.*[0-9])} $line all date]} {
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set zDate [string map {T { }} $date]
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break
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}
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}
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close $in
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# Set up patterns for recognizing API declarations.
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#
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set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+sqlite3_[_a-zA-Z0-9]+(\[|;| =)}
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set declpattern {^ *[a-zA-Z][a-zA-Z_0-9 ]+ \**sqlite3_[_a-zA-Z0-9]+\(}
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# Process the src/sqlite.h.in file.
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#
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set in [open $TOP/src/sqlite.h.in]
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while {![eof $in]} {
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set line [gets $in]
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regsub -- --VERS-- $line $zVersion line
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regsub -- --VERSION-NUMBER-- $line $nVersion line
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regsub -- --SOURCE-ID-- $line "$zDate $zUuid" line
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if {[regexp {define SQLITE_EXTERN extern} $line]} {
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puts $line
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puts [gets $in]
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puts ""
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puts "#ifndef SQLITE_API"
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puts "# define SQLITE_API"
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puts "#endif"
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set line ""
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}
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if {([regexp $varpattern $line] && ![regexp {^ *typedef} $line])
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|| ([regexp $declpattern $line])
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} {
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set line "SQLITE_API $line"
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}
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puts $line
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}
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close $in
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