Add make-bootstrap-jim script

Allows a single source file version of jimsh to be created
for bootstrap purposes.

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 77 insertions, 0 deletions

diff --git a/make-bootstrap-jim b/make-bootstrap-jim
new file mode 100755
index 0000000..c68c756
--- /dev/null
+++ b/make-bootstrap-jim
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+# This script writes to stdout, a single source file (e.g. jimsh0.c)
+# which can be compiled to provide a bootstrap version of jimsh.
+# e.g. cc -o jimsh0 jimsh0.c
+
+makeext()
+{
+	source="$1"
+	basename=`basename "$source" .tcl`
+cat <<EOF
+int Jim_${basename}Init(Jim_Interp *interp)
+{
+	if (Jim_PackageProvide(interp, "$basename", "1.0", JIM_ERRMSG))
+		return JIM_ERR;
+
+	return Jim_Eval_Named(interp, 
+EOF
+
+# Note: Keep newlines so that line numbers match in error messages
+sed -e 's/^[ 	]*#.*//' -e 's@\\@\\\\@g' -e 's@"@\\"@g' -e 's@^\(.*\)$@"\1\\n"@' $source
+#sed -e 's@^\(.*\)$@"\1\\n"@' $source
+
+echo ",\"$source\", 1);"
+echo "}"
+}
+
+makeloadexts()
+{
+cat <<EOF
+int Jim_InitStaticExtensions(Jim_Interp *interp)
+EOF
+    echo "{"
+    for ext in $*; do
+        echo "extern int Jim_${ext}Init(Jim_Interp *);"
+        echo "Jim_${ext}Init(interp);"
+    done
+    echo "return JIM_OK;"
+    echo "}"
+}
+
+cexts="aio readdir regexp file exec clock array"
+tclexts="bootstrap glob stdlib tclcompat"
+
+# Note ordering
+allexts="bootstrap aio readdir glob regexp file exec clock array stdlib tclcompat"
+
+echo "/* This is single source file, bootstrap version of Jim Tcl. See http://jim.berlios.de/ */"
+
+# define some core features
+for i in _GNU_SOURCE JIM_TCL_COMPAT JIM_REFERENCES JIM_ANSIC HAVE_VFORK JIM_REGEXP HAVE_NO_AUTOCONF _JIMAUTOCONF_H; do
+	echo "#define $i"
+done
+echo '#define TCL_LIBRARY "."'
+# and extensions
+for i in $allexts; do
+	echo "#define jim_ext_$i"
+done
+
+# Now output header files, removing references to jim header files
+for i in utf8.h jim.h jim-subcmd.h jimregexp.h ; do
+	sed -e '/#include.*jim/d' -e '/#include.*utf8/d' $i
+done
+
+# Now extension source code
+for i in $tclexts; do
+	makeext $i.tcl
+done
+for i in $cexts; do
+	sed -e '/#include.*jim/d' jim-$i.c
+done
+makeloadexts $allexts
+
+# And finally the core source code
+for i in jim.c jim-subcmd.c utf8.c jim-interactive.c jim-format.c jimregexp.c jimsh.c; do
+	sed -e '/#include.*jim/d' -e '/#include.*utf8/d' $i
+done