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libsql/libsql-sqlite3/ext/fts5/tool/mkfts5c.tcl
2023-10-16 13:58:16 +02:00

115 lines
2.5 KiB
Tcl

#!/bin/sh
# restart with tclsh \
exec tclsh "$0" "$@"
set srcdir [file dirname [file dirname [info script]]]
set G(src) [string map [list %dir% $srcdir] {
%dir%/fts5.h
%dir%/fts5Int.h
fts5parse.h
fts5parse.c
%dir%/fts5_aux.c
%dir%/fts5_buffer.c
%dir%/fts5_config.c
%dir%/fts5_expr.c
%dir%/fts5_hash.c
%dir%/fts5_index.c
%dir%/fts5_main.c
%dir%/fts5_storage.c
%dir%/fts5_tokenize.c
%dir%/fts5_unicode2.c
%dir%/fts5_varint.c
%dir%/fts5_vocab.c
}]
set G(hdr) {
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5)
#if !defined(NDEBUG) && !defined(SQLITE_DEBUG)
# define NDEBUG 1
#endif
#if defined(NDEBUG) && defined(SQLITE_DEBUG)
# undef NDEBUG
#endif
}
set G(footer) {
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) */
}
#-------------------------------------------------------------------------
# Read and return the entire contents of text file $zFile from disk.
#
proc readfile {zFile} {
set fd [open $zFile]
set data [read $fd]
close $fd
return $data
}
#-------------------------------------------------------------------------
# This command returns a string identifying the current sqlite version -
# the equivalent of the SQLITE_SOURCE_ID string.
#
proc fts5_source_id {zDir} {
set top [file dirname [file dirname $zDir]]
set uuid [string trim [readfile [file join $top manifest.uuid]]]
set L [split [readfile [file join $top manifest]]]
set date [lindex $L [expr [lsearch -exact $L D]+1]]
set idx [expr {[string last . $date]-1}]
set date [string range $date 0 $idx]
set date [string map {T { }} $date]
return "fts5: $date $uuid"
}
proc fts5c_init {zOut} {
global G
set G(fd) stdout
set G(fd) [open $zOut w]
puts -nonewline $G(fd) $G(hdr)
}
proc fts5c_printfile {zIn} {
global G
set data [readfile $zIn]
set zTail [file tail $zIn]
puts $G(fd) "#line 1 \"$zTail\""
set sub_map [list --FTS5-SOURCE-ID-- [fts5_source_id $::srcdir]]
if {$zTail=="fts5parse.c"} {
lappend sub_map yy fts5yy YY fts5YY TOKEN FTS5TOKEN
}
foreach line [split $data "\n"] {
if {[regexp {^#include.*fts5} $line]} {
set line "/* $line */"
} elseif {
![regexp { sqlite3Fts5Init\(} $line]
&& [regexp {^(const )?[a-zA-Z][a-zA-Z0-9]* [*]?sqlite3Fts5} $line]
} {
set line "static $line"
}
set line [string map $sub_map $line]
puts $G(fd) $line
}
}
proc fts5c_close {} {
global G
puts -nonewline $G(fd) $G(footer)
if {$G(fd)!="stdout"} {
close $G(fd)
}
}
fts5c_init fts5.c
foreach f $G(src) { fts5c_printfile $f }
fts5c_close