# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1573330895 -3600
# Node ID 329669d3b8150177a2a99a47c43a2613de3c2f1e
# Parent  2a5b1d2b294c6c185a4a0bd730c70463b973d1dc
Added templates and a program to generate Makefile include files.

diff -r 2a5b1d2b294c -r 329669d3b815 mk_interface_inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mk_interface_inc	Sat Nov 09 21:21:35 2019 +0100
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+DIRNAME=`dirname "$0"`
+PROGNAME=`basename "$0"`
+
+TEMPLATES="$DIRNAME/templates"
+
+# Test for arguments.
+
+if [ ! "$1" ] || [ "$1" = '--help' ] ; then
+  cat 1>&2 <<EOF
+Usage: $PROGNAME [ -C ] <interface filename> \\
+                 [ -N <interface name> ] [ <interface filename> ... ]
+
+This program reads a template from...
+
+$TEMPLATES
+
+...and produces a Makefile for inclusion in other Makefiles alongside suitable
+definitions and rules.
+
+Specifying the -C option produces a compound/composite/component interface
+employing other interfaces. Providing the -N option with a name overrides the
+name of the generated interface. The individual interface names or filenames
+must then be given.
+EOF
+  exit 1
+fi
+
+# Determine what kind of interface is involved.
+
+if [ "$1" = '-C' ] ; then
+  COMP=$1
+  shift 1
+else
+  COMP=
+fi
+
+# Get the interface name, filename or filename prefix.
+
+NAME=$1
+shift 1
+
+# Obtain the prefix or root of the interface filename.
+
+INTERFACE_PREFIX=`basename "$NAME" .idl`
+
+# Test for an interface name.
+
+INTERFACE_NAME=$INTERFACE_PREFIX
+
+if [ "$COMP" ] ; then
+  if [ "$1" = '-N' ] ; then
+    shift 1
+    INTERFACE_NAME=$1
+    shift 1
+  fi
+
+  INTERFACE_FILES=
+
+  for NAME in $* ; do
+    INTERFACE_FILES="$INTERFACE_FILES `basename \"$NAME\" .idl`"
+  done
+fi
+
+# Obtain a suitable identifier as a variable name prefix.
+
+VARNAME=`echo "$INTERFACE_PREFIX" | tr [:blank:] _`
+
+# Substitution rules.
+
+SUB_VARNAME='s/{VARNAME}/'"$VARNAME"'/g'
+SUB_PREFIX='s/{INTERFACE_PREFIX}/'"$INTERFACE_PREFIX"'/g'
+SUB_FILES='s/{INTERFACE_FILES}/'"$INTERFACE_FILES"'/g'
+SUB_NAME='s/{INTERFACE_NAME}/'"$INTERFACE_NAME"'/g'
+
+# Substitute the above values for the placeholders in the Makefile template.
+
+if [ "$COMP" ] ; then
+  sed "$SUB_VARNAME;$SUB_PREFIX;$SUB_FILES;$SUB_NAME" "$TEMPLATES/comp_interface.inc"
+else
+  sed "$SUB_VARNAME;$SUB_PREFIX" "$TEMPLATES/interface.inc"
+fi
diff -r 2a5b1d2b294c -r 329669d3b815 templates/comp_interface.inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/comp_interface.inc	Sat Nov 09 21:21:35 2019 +0100
@@ -0,0 +1,17 @@
+# -*- Makefile -*-
+
+{VARNAME}_INTERFACES	= {INTERFACE_FILES}
+{VARNAME}_PREFIX    	= {INTERFACE_PREFIX}
+{VARNAME}_NAME      	= {INTERFACE_NAME}
+{VARNAME}_IDL       	= $(call interfaces_to_idl,$({VARNAME}_INTERFACES))
+{VARNAME}_SERVER    	= $(call interfaces_to_server,$({VARNAME}_PREFIX))
+{VARNAME}_EXPORTED  	= $(call exported_files, $(call interfaces_to_interfaces_h,$({VARNAME}_PREFIX)))
+{VARNAME}_OPTIONS   	= --comp=$({VARNAME}_PREFIX) --comp-name=$({VARNAME}_NAME)
+
+$({VARNAME}_SERVER): $({VARNAME}_IDL) $({VARNAME}_EXPORTED)
+	$(IDL_PROG) -d $(BUILD_DIR) $({VARNAME}_OPTIONS) --headers --routines --language=c++ $({VARNAME}_IDL)
+
+$({VARNAME}_EXPORTED): $({VARNAME}_IDL)
+	$(IDL_PROG) -d $(EXPORTED_DIR) $({VARNAME}_OPTIONS) --interfaces --language=c++ $({VARNAME}_IDL)
+
+# vim: set ft=make:
diff -r 2a5b1d2b294c -r 329669d3b815 templates/interface.inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/interface.inc	Sat Nov 09 21:21:35 2019 +0100
@@ -0,0 +1,14 @@
+# -*- Makefile -*-
+
+{VARNAME}_PREFIX  	= {INTERFACE_PREFIX}
+{VARNAME}_IDL     	= $(call interfaces_to_idl,$({VARNAME}_PREFIX))
+{VARNAME}_SERVER  	= $(call interfaces_to_server,$({VARNAME}_PREFIX))
+{VARNAME}_EXPORTED	= $(call exported_files,$(call interfaces_to_interface_h,$({VARNAME}_PREFIX)))
+
+$({VARNAME}_SERVER): $({VARNAME}_IDL) $({VARNAME}_EXPORTED)
+	$(IDL_PROG) -d $(BUILD_DIR) --server --headers --routines --language=c++ $({VARNAME}_IDL)
+
+$({VARNAME}_EXPORTED): $({VARNAME}_IDL)
+	$(IDL_PROG) -d $(EXPORTED_DIR) --server --interfaces --language=c++ $({VARNAME}_IDL)
+
+# vim: set ft=make: