C code generation ideas as an test.

.gitignore

@@ -59,4 +59,5 @@ target/
 test_command_line_*
 test_cache
 compile_methods_cache
-/*.[hc]
+/*.[hc]
+/main

Makefile

@@ -1,3 +1,21 @@
+ifeq ($(origin CC), default)
+CC = gcc
+endif
+
+C_SOURCES := \
+	tests/main.c \
+	tests/files/c_source/c_source/oer.c
+
+CFLAGS := \
+	-Wall \
+	-Wextra \
+	-Wdouble-promotion \
+	-Wfloat-equal \
+	-Wformat=2 \
+	-Wshadow \
+	-Werror
+
+.PHONY: test
 test:
 	python2 setup.py test
 	python3 setup.py test
@@ -12,8 +30,16 @@ test:
 	env PYTHONPATH=. python3 examples/compact_extensions_uper/main.py
 	env PYTHONPATH=. python3 examples/programming_types/main.py
 	codespell -d $$(git ls-files | grep -v ietf | grep -v 3gpp)
+	$(MAKE) test-c
 	python3 -m pycodestyle $$(git ls-files "asn1tools/*.py")
 
+.PHONY: test-c
+test-c:
+	$(CC) $(CFLAGS) -Wpedantic -std=c99 -O3 $(C_SOURCES) \
+	    -o main
+	./main
+
+.PHONY: test-sdist
 test-sdist:
 	rm -rf dist
 	python setup.py sdist
@@ -24,6 +50,7 @@ test-sdist:
 	cd asn1tools-* && \
 	python setup.py test
 
+.PHONY: release-to-pypi
 release-to-pypi:
 	python setup.py sdist
 	python setup.py bdist_wheel --universal

asn1tools/__init__.py

@@ -261,6 +261,10 @@ def _do_parse(args):
 
 def _do_generate_c_source(args):
     name = 'c_source'
+
+    if args.namespace is not None:
+        name = '{}_{}'.format(args.namespace, name)
+
     filename_h = name + '.h'
     filename_c = name + '.c'
 
@@ -352,6 +356,9 @@ def _main():
         choices=('oer', ),
         default='oer',
         help='Codec to generate code for (default: oer).')
+    subparser.add_argument(
+        '-n', '--namespace',
+        help='Namespace of defines, structs, functions, files, etc.')
     subparser.add_argument('specification',
                            nargs='+',
                            help='ASN.1 specification as one or more .asn files.')