diff options
Diffstat (limited to 'generator')
| -rwxr-xr-x | generator/nanopb_generator.py | 47 | ||||
| -rw-r--r-- | generator/proto/nanopb.proto | 4 |
2 files changed, 40 insertions, 11 deletions
diff --git a/generator/nanopb_generator.py b/generator/nanopb_generator.py index 9cf2de5f..185a97bb 100755 --- a/generator/nanopb_generator.py +++ b/generator/nanopb_generator.py @@ -241,6 +241,11 @@ class Field: self.enc_size = None self.ctype = None + self.inline = None + if field_options.type == nanopb_pb2.FT_INLINE: + field_options.type = nanopb_pb2.FT_STATIC + self.inline = nanopb_pb2.FT_INLINE + # Parse field options if field_options.HasField("max_size"): self.max_size = field_options.max_size @@ -253,16 +258,18 @@ class Field: # Check field rules, i.e. required/optional/repeated. can_be_static = True - if desc.label == FieldD.LABEL_REQUIRED: - self.rules = 'REQUIRED' - elif desc.label == FieldD.LABEL_OPTIONAL: - self.rules = 'OPTIONAL' - elif desc.label == FieldD.LABEL_REPEATED: + if desc.label == FieldD.LABEL_REPEATED: self.rules = 'REPEATED' if self.max_count is None: can_be_static = False else: self.array_decl = '[%d]' % self.max_count + elif field_options.HasField("proto3"): + self.rules = 'SINGULAR' + elif desc.label == FieldD.LABEL_REQUIRED: + self.rules = 'REQUIRED' + elif desc.label == FieldD.LABEL_OPTIONAL: + self.rules = 'OPTIONAL' else: raise NotImplementedError(desc.label) @@ -319,7 +326,12 @@ class Field: elif desc.type == FieldD.TYPE_BYTES: self.pbtype = 'BYTES' if self.allocation == 'STATIC': - self.ctype = self.struct_name + self.name + 't' + # Inline STATIC for BYTES is like STATIC for STRING. + if self.inline: + self.ctype = 'pb_byte_t' + self.array_decl += '[%d]' % self.max_size + else: + self.ctype = self.struct_name + self.name + 't' self.enc_size = varint_max_size(self.max_size) + self.max_size elif self.allocation == 'POINTER': self.ctype = 'pb_bytes_array_t' @@ -359,7 +371,7 @@ class Field: def types(self): '''Return definitions for any special types this field might need.''' - if self.pbtype == 'BYTES' and self.allocation == 'STATIC': + if self.pbtype == 'BYTES' and self.allocation == 'STATIC' and not self.inline: result = 'typedef PB_BYTES_ARRAY_T(%d) %s;\n' % (self.max_size, self.ctype) else: result = '' @@ -388,7 +400,10 @@ class Field: if self.pbtype == 'STRING': inner_init = '""' elif self.pbtype == 'BYTES': - inner_init = '{0, {0}}' + if self.inline: + inner_init = '{0}' + else: + inner_init = '{0, {0}}' elif self.pbtype in ('ENUM', 'UENUM'): inner_init = '(%s)0' % self.ctype else: @@ -400,9 +415,15 @@ class Field: elif self.pbtype == 'BYTES': data = ['0x%02x' % ord(c) for c in self.default] if len(data) == 0: - inner_init = '{0, {0}}' + if self.inline: + inner_init = '{0}' + else: + inner_init = '{0, {0}}' else: - inner_init = '{%d, {%s}}' % (len(data), ','.join(data)) + if self.inline: + inner_init = '{%s}' % ','.join(data) + else: + inner_init = '{%d, {%s}}' % (len(data), ','.join(data)) elif self.pbtype in ['FIXED32', 'UINT32']: inner_init = str(self.default) + 'u' elif self.pbtype in ['FIXED64', 'UINT64']: @@ -454,6 +475,8 @@ class Field: elif self.pbtype == 'BYTES': if self.allocation != 'STATIC': return None # Not implemented + if self.inline: + array_decl = '[%d]' % self.max_size if declaration_only: return 'extern const %s %s_default%s;' % (ctype, self.struct_name + self.name, array_decl) @@ -481,7 +504,7 @@ class Field: result += '%3d, ' % self.tag result += '%-8s, ' % self.pbtype result += '%s, ' % self.rules - result += '%-8s, ' % self.allocation + result += '%-8s, ' % (self.allocation if not self.inline else "INLINE") result += '%s, ' % ("FIRST" if not prev_field_name else "OTHER") result += '%s, ' % self.struct_name result += '%s, ' % self.name @@ -594,6 +617,7 @@ class ExtensionRange(Field): self.default = None self.max_size = 0 self.max_count = 0 + self.inline = None def __str__(self): return ' pb_extension_t *extensions;' @@ -671,6 +695,7 @@ class OneOf(Field): self.default = None self.rules = 'ONEOF' self.anonymous = False + self.inline = None def add_field(self, field): if field.allocation == 'CALLBACK': diff --git a/generator/proto/nanopb.proto b/generator/proto/nanopb.proto index 9b2f0fbc..b9961c88 100644 --- a/generator/proto/nanopb.proto +++ b/generator/proto/nanopb.proto @@ -16,6 +16,7 @@ enum FieldType { FT_POINTER = 4; // Always generate a dynamically allocated field. FT_STATIC = 2; // Generate a static field or raise an exception if not possible. FT_IGNORE = 3; // Ignore the field completely. + FT_INLINE = 5; // Always generate an inline array of fixed size. } enum IntSize { @@ -65,6 +66,9 @@ message NanoPBOptions { // decode oneof as anonymous union optional bool anonymous_oneof = 11 [default = false]; + + // Proto3 singular field does not generate a "has_" flag + optional bool proto3 = 12 [default = false]; } // Extensions to protoc 'Descriptor' type in order to define options |