Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 "Type.h" |
| 18 | #include <sstream> |
| 19 | |
Steven Moreland | 95b4623 | 2016-09-20 14:46:55 -0700 | [diff] [blame] | 20 | #include <hidl-util/StringHelper.h> |
| 21 | |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 22 | namespace android { |
| 23 | |
| 24 | Type::Type(std::vector<Qualifier*> *qualifiers) |
| 25 | : mQualifiers(qualifiers) |
| 26 | {} |
| 27 | |
| 28 | Type::~Type() { |
Steven Moreland | ce65189 | 2016-09-19 13:12:58 -0700 | [diff] [blame] | 29 | if(mArrays != NULL) { |
| 30 | for(auto* array : *mArrays) { |
| 31 | delete array; |
| 32 | } |
| 33 | } |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 34 | |
| 35 | if(mQualifiers != NULL) { |
| 36 | for(auto* qual : *mQualifiers) { |
| 37 | delete qual; |
| 38 | } |
| 39 | } |
| 40 | delete mQualifiers;} |
| 41 | |
| 42 | |
Steven Moreland | ce65189 | 2016-09-19 13:12:58 -0700 | [diff] [blame] | 43 | void Type::setArrays(std::vector<Expression*> *arrays) { |
| 44 | mArrays = arrays; |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | const std::string Type::decorateName(const std::string &name) const { |
| 48 | std::stringstream ss; |
| 49 | |
| 50 | std::string special = getSpecialTypeName(); |
| 51 | |
| 52 | if(special.empty()) { |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 53 | ss << getHidlType(); |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 54 | } else { |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 55 | ss << special; |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 56 | } |
| 57 | |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 58 | ss << " " << name; |
| 59 | |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 60 | return ss.str(); |
| 61 | } |
| 62 | |
| 63 | // static |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 64 | std::map<std::string, std::string> Type::kSignedToUnsignedMap = { |
| 65 | { "char", "uint8_t" }, |
Yifan Hong | 8ae06c8 | 2016-09-27 12:35:45 -0700 | [diff] [blame] | 66 | { "short", "uint16_t" }, |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 67 | { "int", "uint32_t" }, |
| 68 | { "long", "uint64_t" }, |
| 69 | { "int8_t", "uint8_t" }, |
| 70 | { "int16_t", "uint16_t" }, |
| 71 | { "int32_t", "uint32_t" }, |
| 72 | { "int64_t", "uint64_t" }, |
| 73 | }; |
| 74 | |
| 75 | // static |
| 76 | const std::string Type::signedToUnsigned(const std::string &signedType) { |
| 77 | auto it = kSignedToUnsignedMap.find(signedType); |
| 78 | |
| 79 | if (it == kCToHidlMap.end()) { |
| 80 | return ""; |
| 81 | } |
| 82 | |
| 83 | return (*it).second; |
| 84 | } |
| 85 | |
| 86 | // static |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 87 | std::map<std::string, std::string> Type::kCToHidlMap = { |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 88 | { "char", "int8_t /* NOTE: char */" }, |
| 89 | { "short", "int16_t" }, |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 90 | { "int", "int32_t" }, |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 91 | { "long", "int64_t"}, |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 92 | { "native_handle_t", "handle" }, |
Yifan Hong | 7ddedc5 | 2016-09-29 15:44:42 -0700 | [diff] [blame] | 93 | { "size_t", "uint64_t" }, |
Yifan Hong | 0cedc19 | 2016-09-30 09:48:09 -0700 | [diff] [blame] | 94 | { "int8_t", "int8_t" }, |
| 95 | { "uint8_t", "uint8_t" }, |
| 96 | { "int16_t", "int16_t" }, |
| 97 | { "uint16_t", "uint16_t" }, |
| 98 | { "int32_t", "int32_t" }, |
| 99 | { "uint32_t", "uint32_t" }, |
| 100 | { "int64_t", "int64_t" }, |
| 101 | { "uint64_t", "uint64_t" }, |
| 102 | { "float", "float" }, |
| 103 | { "double", "double" }, |
| 104 | { "bool", "bool" }, |
| 105 | { "wchar_t", "int32_t /* NOTE: wchar_t */"}, |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 106 | // { "hidl_string", "string" }, |
| 107 | // { "hidl_vec", "vec"}, |
| 108 | }; |
| 109 | |
| 110 | // static |
| 111 | const std::string Type::cToHidlType(const std::string &cType) { |
| 112 | auto it = kCToHidlMap.find(cType); |
| 113 | |
| 114 | if (it == kCToHidlMap.end()) { |
Steven Moreland | 95b4623 | 2016-09-20 14:46:55 -0700 | [diff] [blame] | 115 | return ""; |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | return (*it).second; |
| 119 | } |
| 120 | |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 121 | const std::string Type::getHidlType() const { |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 122 | if (mQualifiers == NULL) { |
| 123 | return ""; |
| 124 | } |
| 125 | |
| 126 | std::stringstream ss; |
| 127 | |
Steven Moreland | ce65189 | 2016-09-19 13:12:58 -0700 | [diff] [blame] | 128 | for (auto it = mQualifiers->begin(); it != mQualifiers->end(); ++it) { |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 129 | if (it != mQualifiers->begin()) { |
| 130 | ss << " "; |
| 131 | } |
| 132 | |
| 133 | switch((*it)->qualification) { |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 134 | case Type::Qualifier::STRUCT: |
| 135 | case Type::Qualifier::UNION: |
| 136 | case Type::Qualifier::ENUM: |
| 137 | case Type::Qualifier::POINTER: |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 138 | case Type::Qualifier::CONST: { |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 139 | ss << "/* " |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 140 | << Type::qualifierText((*it)->qualification) |
| 141 | << " */"; |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 142 | break; |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 143 | } |
| 144 | case Type::Qualifier::ID: { |
Steven Moreland | 95b4623 | 2016-09-20 14:46:55 -0700 | [diff] [blame] | 145 | std::string id = (*it)->id; |
| 146 | std::string conversion = cToHidlType(id); |
| 147 | if (!conversion.empty()) { |
| 148 | ss << conversion; |
Yifan Hong | 0cedc19 | 2016-09-30 09:48:09 -0700 | [diff] [blame] | 149 | } else { |
Steven Moreland | 95b4623 | 2016-09-20 14:46:55 -0700 | [diff] [blame] | 150 | std::string baseName = StringHelper::RTrim(id, "_t"); |
Yifan Hong | 4200903 | 2016-09-29 09:38:15 -0700 | [diff] [blame] | 151 | ss << StringHelper::ToPascalCase(baseName); |
Steven Moreland | 95b4623 | 2016-09-20 14:46:55 -0700 | [diff] [blame] | 152 | } |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 153 | break; |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 154 | } |
| 155 | case Type::Qualifier::GENERICS: { |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 156 | ss << "<" |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 157 | << (*it)->generics->decorateName("") |
| 158 | << ">"; |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 159 | break; |
Steven Moreland | 05ebcf5 | 2016-09-19 13:57:40 -0700 | [diff] [blame] | 160 | } |
| 161 | case Type::Qualifier::UNSIGNED: { |
| 162 | auto next = it + 1; |
| 163 | if (next == mQualifiers->end()) { |
| 164 | ss << "uint32_t"; // 'unsigned a' -> 'uint32_t a' |
| 165 | break; |
| 166 | } |
| 167 | std::string unsignedType = signedToUnsigned((*next)->id); |
| 168 | if(unsignedType.empty()) { |
| 169 | ss << Type::qualifierText((*it)->qualification); |
| 170 | } else { |
| 171 | ss << unsignedType; |
| 172 | ++it; |
| 173 | } |
| 174 | break; |
| 175 | } |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 176 | default: { |
Steven Moreland | 698da76 | 2016-09-02 13:45:50 -0700 | [diff] [blame] | 177 | ss << Type::qualifierText((*it)->qualification); |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 178 | } |
| 179 | } |
| 180 | } |
| 181 | |
Steven Moreland | ce65189 | 2016-09-19 13:12:58 -0700 | [diff] [blame] | 182 | if (mArrays != NULL) { |
| 183 | for (const auto &array : *mArrays) { |
| 184 | ss << "[" << array->toString() << "]"; |
| 185 | } |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | return ss.str(); |
| 189 | } |
| 190 | |
| 191 | const std::string Type::getRawQualifierList() const { |
| 192 | if (mQualifiers == NULL) { |
| 193 | return ""; |
| 194 | } |
| 195 | |
| 196 | std::stringstream ss; |
| 197 | |
| 198 | for(auto* qualifier : *mQualifiers) { |
| 199 | ss << Type::qualifierText(qualifier->qualification) << " "; |
| 200 | } |
| 201 | |
| 202 | return ss.str(); |
| 203 | } |
| 204 | |
| 205 | const std::string Type::getSpecialTypeName() const { |
| 206 | // this makes for a relatively expensive comparison, but it is |
| 207 | // readable until the converstion get nailed down. |
| 208 | std::string qualifiers = getRawQualifierList(); |
| 209 | |
| 210 | if (qualifiers == "const ID * " || |
| 211 | qualifiers == "ID * ") { |
| 212 | |
| 213 | std::string id = mQualifiers->at(mQualifiers->size() - 2)->id; |
| 214 | |
| 215 | if (id == "char") { |
| 216 | return "string"; |
| 217 | } else { |
| 218 | // can't tell if it's a hidl_vec or a pointer |
| 219 | // return "vec<" + id + ">"; |
| 220 | return ""; |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | return ""; |
| 225 | } |
| 226 | |
| 227 | bool Type::isVoid() const { |
| 228 | if (mQualifiers->size() == 0) { |
| 229 | return true; |
| 230 | } |
| 231 | |
| 232 | return mQualifiers->size() == 1 && |
| 233 | (*mQualifiers)[0]->qualification == Type::Qualifier::VOID; |
| 234 | } |
| 235 | |
Diego Wilson | 2b38e89 | 2016-10-12 11:16:43 -0700 | [diff] [blame] | 236 | bool Type::isHwDevice() const { |
| 237 | if (mQualifiers->size() < 2) { |
| 238 | return false; |
| 239 | } |
| 240 | |
| 241 | return (*mQualifiers)[0]->qualification == Type::Qualifier::STRUCT && |
| 242 | (*mQualifiers)[1]->qualification == Type::Qualifier::ID && |
| 243 | (*mQualifiers)[1]->id == "hw_device_t"; |
| 244 | } |
Steven Moreland | f1a35f7 | 2016-08-17 08:41:49 -0700 | [diff] [blame] | 245 | |
| 246 | std::string Type::removeLastId() { |
| 247 | if(mQualifiers == NULL || mQualifiers->size() == 0) { |
| 248 | return ""; |
| 249 | } |
| 250 | |
| 251 | Qualifier *last = (*mQualifiers)[mQualifiers->size() - 1]; |
| 252 | |
| 253 | if(last == NULL || last->qualification != Qualifier::ID) { |
| 254 | return ""; |
| 255 | } |
| 256 | |
| 257 | std::string ret{last->id}; |
| 258 | |
| 259 | mQualifiers->erase(mQualifiers->end() - 1); |
| 260 | |
| 261 | return ret; |
| 262 | } |
| 263 | |
Yifan Hong | 8ae06c8 | 2016-09-27 12:35:45 -0700 | [diff] [blame] | 264 | } //namespace android |