1 /*
2 * Copyright 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "custom_field_def.h"
18
19 #include "util.h"
20
CustomFieldDef(std::string name,std::string include)21 CustomFieldDef::CustomFieldDef(std::string name, std::string include) : TypeDef(name), include_(include) {}
22
CustomFieldDef(std::string name,std::string include,int size)23 CustomFieldDef::CustomFieldDef(std::string name, std::string include, int size)
24 : TypeDef(name, size), include_(include) {
25 if (size % 8 != 0) {
26 ERROR() << "Custom fields must be byte aligned.";
27 }
28 }
29
GetNewField(const std::string & name,ParseLocation loc) const30 PacketField* CustomFieldDef::GetNewField(const std::string& name, ParseLocation loc) const {
31 if (size_ == -1) {
32 return new CustomField(name, name_, loc);
33 } else {
34 return new CustomFieldFixedSize(name, name_, size_, loc);
35 }
36 }
37
GetDefinitionType() const38 TypeDef::Type CustomFieldDef::GetDefinitionType() const {
39 return TypeDef::Type::CUSTOM;
40 }
41
GenInclude(std::ostream & s) const42 void CustomFieldDef::GenInclude(std::ostream& s) const {
43 s << "#include \"" << include_ << util::CamelCaseToUnderScore(GetTypeName()) << ".h\"\n";
44 }
45
GenPyBind11Include(std::ostream & s) const46 void CustomFieldDef::GenPyBind11Include(std::ostream& s) const {
47 s << "#include \"" << include_ << util::CamelCaseToUnderScore(GetTypeName()) << "_pybind11_type_caster.h\"\n";
48 }
49
GenUsing(std::ostream & s) const50 void CustomFieldDef::GenUsing(std::ostream& s) const {
51 s << "using ::bluetooth::";
52 for (const auto& c : include_) {
53 switch (c) {
54 case '/':
55 s << "::";
56 break;
57 default:
58 s << c;
59 }
60 }
61 s << GetTypeName() << ";";
62 }
63
GenFixedSizeCustomFieldCheck(std::ostream & s) const64 void CustomFieldDef::GenFixedSizeCustomFieldCheck(std::ostream& s) const {
65 s << "static_assert(std::is_base_of_v<CustomFieldFixedSizeInterface<" << name_ << ">, " << name_ << ">, \"";
66 s << name_ << " is not a valid fixed size custom field type. Please see README for more details.\");";
67 s << "static_assert(CustomFieldFixedSizeInterface<" << name_ << ">::length() * 8 == " << size_
68 << ", \"CustomFieldFixedSizeInterface<" << name_ << ">::length * 8 should match PDL defined size (in bits) "
69 << size_ << "\");";
70 }
71
GenCustomFieldCheck(std::ostream & s,bool little_endian) const72 void CustomFieldDef::GenCustomFieldCheck(std::ostream& s, bool little_endian) const {
73 s << "static_assert(CustomTypeChecker<" << name_ << ", ";
74 s << (little_endian ? "" : "!") << "kLittleEndian>::value, \"";
75 s << name_ << " is not a valid custom field type. Please see README for more details.\");";
76 }
77