From 67add3259a6429cb4afc1bdb6345e8c057a55ca8 Mon Sep 17 00:00:00 2001 From: Petteri Aimonen Date: Sat, 30 Jun 2012 18:23:18 +0300 Subject: Warn if PB_MAX_REQUIRED_FIELDS is not large enough. --- generator/nanopb_generator.py | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'generator/nanopb_generator.py') diff --git a/generator/nanopb_generator.py b/generator/nanopb_generator.py index 1e7e1f98..730c0aab 100644 --- a/generator/nanopb_generator.py +++ b/generator/nanopb_generator.py @@ -402,6 +402,16 @@ def generate_header(dependencies, headername, enums, messages): for msg in messages: yield msg.fields_declaration() + '\n' + count_required_fields = lambda m: len([f for f in msg.fields if f.htype == 'PB_HTYPE_REQUIRED']) + largest_msg = max(messages, key = count_required_fields) + largest_count = count_required_fields(largest_msg) + if largest_count > 64: + yield '\n/* Check that missing required fields will be properly detected */\n' + yield '#if PB_MAX_REQUIRED_FIELDS < %d\n' % largest_count + yield '#warning Properly detecting missing required fields in %s requires \\\n' % largest_msg.name + yield ' setting PB_MAX_REQUIRED_FIELDS to %d or more.\n' % largest_count + yield '#endif\n' + yield '\n#endif\n' def generate_source(headername, enums, messages): -- cgit 1.2.3-korg