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-rw-r--r--Makefile13
-rwxr-xr-xscripts/transclude-template50
2 files changed, 51 insertions, 12 deletions
diff --git a/Makefile b/Makefile
index f029225f2..84dbab401 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,6 @@ BUILD_DIR := build
DATA_DIR := data
SHIM_DIR := src/shim
XDP_DIR := src/xdp
-CC := gcc
LIBS := -lzmq
CFLAGS :=
@@ -15,18 +14,8 @@ op_xml_obj = $(op_xml_src:.xml.in=.xml)
%.xml: %.xml.in
@echo Generating $(BUILD_DIR)/$@ from $<
- # -ansi This turns off certain features of GCC that are incompatible
- # with ISO C90. Without this regexes containing '/' as in an URL
- # won't work
- # -x c By default GCC guesses the input language from its file extension,
- # thus XML is unknown. Force it to C language
- # -E Stop after the preprocessing stage
- # -undef Do not predefine any system-specific or GCC-specific macros.
- # -nostdinc Do not search the standard system directories for header files
- # -P Inhibit generation of linemarkers in the output from the
- # preprocessor
mkdir -p $(BUILD_DIR)/$(dir $@)
- @$(CC) -x c-header -C -E -undef -nostdinc -P -I$(CURDIR)/$(dir $<) -o $(BUILD_DIR)/$@ -c $<
+ $(CURDIR)/scripts/transclude-template $< > $(BUILD_DIR)/$@
.PHONY: interface_definitions
.ONESHELL:
diff --git a/scripts/transclude-template b/scripts/transclude-template
new file mode 100755
index 000000000..5c6668a84
--- /dev/null
+++ b/scripts/transclude-template
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+#
+# transclude-template: preprocessor for XML interface definitions to
+# interpret #include statements to include nested XML fragments and
+# snippets in documents.
+#
+# Copyright (C) 2021 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import os
+import re
+import sys
+
+regexp = re.compile(r'^ *#include <(.+)>$')
+
+def parse_file(filename):
+ lines = ""
+ with open(filename, 'r') as f:
+ while True:
+ line = f.readline()
+ if line:
+ result = regexp.match(line)
+ if result:
+ lines += parse_file(os.path.join(directory, result.group(1)))
+ else:
+ lines += line
+ else:
+ return lines
+
+if __name__ == '__main__':
+ if len(sys.argv) < 2:
+ print('Must specify XML file!', file=sys.stderr)
+ sys.exit(1)
+ filename = sys.argv[1]
+ directory = os.path.dirname(os.path.abspath(filename))
+ print(parse_file(filename))
+