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- #
- # buildidx.tcl --
- #
- # Code to build Tcl package library. Defines the proc `buildpackageindex'.
- #
- #------------------------------------------------------------------------------
- # Copyright 1992 Karl Lehenbauer and Mark Diekhans.
- #
- # Permission to use, copy, modify, and distribute this software and its
- # documentation for any purpose and without fee is hereby granted, provided
- # that the above copyright notice appear in all copies. Karl Lehenbauer and
- # Mark Diekhans make no representations about the suitability of this
- # software for any purpose. It is provided "as is" without express or
- # implied warranty.
- #------------------------------------------------------------------------------
- # $Id: buildidx.tcl,v 2.0 1992/10/16 04:51:38 markd Rel $
- #------------------------------------------------------------------------------
- #
-
- proc TCHSH:PutLibLine {outfp package where endwhere autoprocs} {
- puts $outfp [concat $package $where [expr {$endwhere - $where - 1}] \
- $autoprocs]
- }
-
- proc TCLSH:CreateLibIndex {libName} {
-
- if {[file extension $libName] != ".tlib"} {
- error "Package library `$libName' does not have the extension `.tlib'"}
- set idxName "[file root $libName].tndx"
-
- unlink -nocomplain $idxName
- set libFH [open $libName r]
- set idxFH [open $idxName w]
-
- set contectHdl [scancontext create]
-
- scanmatch $contectHdl "^#@package: " {
- set size [llength $matchInfo(line)]
- if {$size < 2} {
- error [format "invalid package header \"%s\"" $matchInfo(line)]
- }
- if $inPackage {
- TCHSH:PutLibLine $idxFH $pkgDefName $pkgDefWhere \
- $matchInfo(offset) $pkgDefProcs
- }
- set pkgDefName [lindex $matchInfo(line) 1]
- set pkgDefWhere [tell $matchInfo(handle)]
- set pkgDefProcs [lrange $matchInfo(line) 2 end]
- set inPackage 1
- }
-
- scanmatch $contectHdl "^#@packend" {
- if !$inPackage {
- error "#@packend without #@package in $libName
- }
- TCHSH:PutLibLine $idxFH $pkgDefName $pkgDefWhere $matchInfo(offset) \
- $pkgDefProcs
- set inPackage 0
- }
-
- set inPackage 0
- if {[catch {
- scanfile $contectHdl $libFH
- } msg] != 0} {
- global errorInfo errorCode
- close libFH
- close idxFH
- error $msg $errorInfo $errorCode
- }
- if {![info exists pkgDefName]} {
- error "No #@package definitions found in $libName"
- }
- if $inPackage {
- TCHSH:PutLibLine $idxFH $pkgDefName $pkgDefWhere [tell $libFH] \
- $pkgDefProcs
- }
- close $libFH
- close $idxFH
-
- scancontext delete $contectHdl
-
- # Set mode and ownership of the index to be the same as the library.
-
- file stat $libName statInfo
- chmod $statInfo(mode) $idxName
- chown [list $statInfo(uid) $statInfo(gid)] $idxName
-
- }
-
- proc buildpackageindex {libfile} {
-
- set status [catch {TCLSH:CreateLibIndex $libfile} errmsg]
- if {$status != 0} {
- global errorInfo errorCode
- error "building package index for `$libfile' failed: $errmsg" \
- $errorInfo $errorCode
- }
- }
-
-