X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=generator%2Fnanopb_generator.py;h=663745a151ea1e03c824a17705477a409c3c1e20;hb=5522e02133be7d9dfd2f350f2774dfc0abc15686;hp=6a41f460860bd602f0ca6706ed66f87601cda56c;hpb=c8e0732e6b855d831888a4f7ffeeb47b9ae0b1c0;p=apps%2Fagl-service-can-low-level.git

diff --git a/generator/nanopb_generator.py b/generator/nanopb_generator.py
index 6a41f460..663745a1 100644
--- a/generator/nanopb_generator.py
+++ b/generator/nanopb_generator.py
@@ -1,5 +1,5 @@
 '''Generate header file for nanopb from a ProtoBuf FileDescriptorSet.'''
-nanopb_version = "nanopb-0.2.0"
+nanopb_version = "nanopb-0.2.1-dev"
 
 try:
     import google.protobuf.descriptor_pb2 as descriptor
@@ -300,6 +300,12 @@ class Message:
     
     def __str__(self):
         result = 'typedef struct _%s {\n' % self.name
+
+        if not self.ordered_fields:
+            # Empty structs are not allowed in C standard.
+            # Therefore add a dummy field if an empty message occurs.
+            result += '    uint8_t dummy_field;'
+
         result += '\n'.join([str(f) for f in self.ordered_fields])
         result += '\n}'
         
@@ -450,12 +456,14 @@ def generate_header(dependencies, headername, enums, messages, options):
     symbol = make_identifier(headername)
     yield '#ifndef _PB_%s_\n' % symbol
     yield '#define _PB_%s_\n' % symbol
-    yield '#include <pb.h>\n\n'
+    yield options.libformat % ('pb.h')
+    yield '\n'
     
     for dependency in dependencies:
         noext = os.path.splitext(dependency)[0]
-        yield '#include "%s.%s.h"\n' % (noext,options.extension)
-    
+        yield options.genformat % (noext + '.' + options.extension + '.h')
+        yield '\n'
+
     yield '#ifdef __cplusplus\n'
     yield 'extern "C" {\n'
     yield '#endif\n\n'
@@ -490,7 +498,8 @@ def generate_source(headername, enums, messages):
     
     yield '/* Automatically generated nanopb constant definitions */\n'
     yield '/* Generated by %s at %s. */\n\n' % (nanopb_version, time.asctime())
-    yield '#include "%s"\n\n' % headername
+    yield options.genformat % (headername)
+    yield '\n'
     
     for msg in messages:
         yield msg.default_decl(False)
@@ -583,7 +592,13 @@ optparser = OptionParser(
 optparser.add_option("-x", dest="exclude", metavar="FILE", action="append", default=[],
     help="Exclude file from generated #include list.")
 optparser.add_option("-e", "--extension", dest="extension", metavar="EXTENSION", default="pb",
-    help="use extension instead of 'pb' for generated files.")
+    help="Set extension to use instead of 'pb' for generated files. [default: %default]")
+optparser.add_option("-Q", "--generated-include-format", dest="genformat",
+    metavar="FORMAT", default='#include "%s"\n',
+    help="Set format string to use for including other .pb.h files. [default: %default]")
+optparser.add_option("-L", "--library-include-format", dest="libformat",
+    metavar="FORMAT", default='#include <%s>\n',
+    help="Set format string to use for including the nanopb pb.h header. [default: %default]")
 optparser.add_option("-q", "--quiet", dest="quiet", action="store_true", default=False,
     help="Don't print anything except errors.")
 optparser.add_option("-v", "--verbose", dest="verbose", action="store_true", default=False,