Andreas Huber | 1aec397 | 2016-08-26 09:26:32 -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 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 17 | #include "EnumType.h" |
| 18 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 19 | #include "ScalarType.h" |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 20 | |
Iliyan Malchev | a72e0d2 | 2016-09-09 11:03:08 -0700 | [diff] [blame] | 21 | #include <inttypes.h> |
| 22 | #include <hidl-util/Formatter.h> |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 23 | #include <android-base/logging.h> |
| 24 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 25 | namespace android { |
| 26 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 27 | EnumType::EnumType( |
Andreas Huber | 9ed827c | 2016-08-22 12:31:13 -0700 | [diff] [blame] | 28 | const char *localName, |
| 29 | std::vector<EnumValue *> *values, |
| 30 | Type *storageType) |
| 31 | : NamedType(localName), |
| 32 | mValues(values), |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 33 | mStorageType( |
| 34 | storageType != NULL |
| 35 | ? storageType |
| 36 | : new ScalarType(ScalarType::KIND_INT32)) { |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 37 | } |
| 38 | |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 39 | const Type *EnumType::storageType() const { |
| 40 | return mStorageType; |
| 41 | } |
| 42 | |
| 43 | const std::vector<EnumValue *> &EnumType::values() const { |
| 44 | return *mValues; |
| 45 | } |
| 46 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 47 | const ScalarType *EnumType::resolveToScalarType() const { |
| 48 | return mStorageType->resolveToScalarType(); |
| 49 | } |
| 50 | |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 51 | bool EnumType::isEnum() const { |
| 52 | return true; |
| 53 | } |
| 54 | |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 55 | std::string EnumType::getCppType(StorageMode, |
| 56 | std::string *extra, |
| 57 | bool specifyNamespaces) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 58 | extra->clear(); |
| 59 | |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 60 | return specifyNamespaces ? fullName() : partialCppName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 61 | } |
| 62 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 63 | std::string EnumType::getJavaType() const { |
| 64 | return mStorageType->resolveToScalarType()->getJavaType(); |
| 65 | } |
| 66 | |
| 67 | std::string EnumType::getJavaSuffix() const { |
| 68 | return mStorageType->resolveToScalarType()->getJavaSuffix(); |
| 69 | } |
| 70 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 71 | void EnumType::emitReaderWriter( |
| 72 | Formatter &out, |
| 73 | const std::string &name, |
| 74 | const std::string &parcelObj, |
| 75 | bool parcelObjIsPointer, |
| 76 | bool isReader, |
| 77 | ErrorMode mode) const { |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 78 | const ScalarType *scalarType = mStorageType->resolveToScalarType(); |
| 79 | CHECK(scalarType != NULL); |
| 80 | |
| 81 | scalarType->emitReaderWriterWithCast( |
| 82 | out, |
| 83 | name, |
| 84 | parcelObj, |
| 85 | parcelObjIsPointer, |
| 86 | isReader, |
| 87 | mode, |
| 88 | true /* needsCast */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 91 | void EnumType::emitJavaFieldReaderWriter( |
| 92 | Formatter &out, |
| 93 | const std::string &blobName, |
| 94 | const std::string &fieldName, |
| 95 | const std::string &offset, |
| 96 | bool isReader) const { |
| 97 | return mStorageType->emitJavaFieldReaderWriter( |
| 98 | out, blobName, fieldName, offset, isReader); |
| 99 | } |
| 100 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 101 | status_t EnumType::emitTypeDeclarations(Formatter &out) const { |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 102 | const ScalarType *scalarType = mStorageType->resolveToScalarType(); |
| 103 | CHECK(scalarType != NULL); |
| 104 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 105 | std::string extra; |
| 106 | |
| 107 | out << "enum class " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 108 | << localName() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 109 | << " : " |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 110 | << ((Type *)scalarType)->getCppType(&extra) |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 111 | << " {\n"; |
| 112 | |
| 113 | out.indent(); |
| 114 | |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 115 | std::vector<const EnumType *> chain; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 116 | getTypeChain(&chain); |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 117 | |
| 118 | for (auto it = chain.rbegin(); it != chain.rend(); ++it) { |
| 119 | const auto &type = *it; |
| 120 | |
| 121 | for (const auto &entry : type->values()) { |
| 122 | out << entry->name(); |
| 123 | |
Yifan Hong | 5788697 | 2016-08-17 10:42:15 -0700 | [diff] [blame] | 124 | const char *value = entry->cppValue(scalarType->getKind()); |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 125 | if (value != NULL) { |
| 126 | out << " = " << value; |
| 127 | } |
| 128 | |
Yifan Hong | 5788697 | 2016-08-17 10:42:15 -0700 | [diff] [blame] | 129 | out << ","; |
| 130 | |
| 131 | const char *comment = entry->comment(); |
| 132 | if (comment != NULL && strcmp(comment, value) != 0) { |
| 133 | out << " // " << comment; |
| 134 | } |
| 135 | |
| 136 | out << "\n"; |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 137 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | out.unindent(); |
| 141 | out << "};\n\n"; |
| 142 | |
| 143 | return OK; |
| 144 | } |
| 145 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 146 | // Attempt to convert enum value literals into their signed equivalents, |
| 147 | // i.e. if an enum value is stored in typeName 'byte', the value "192" |
| 148 | // will be converted to the output "-64". |
| 149 | static bool MakeSignedIntegerValue( |
| 150 | const std::string &typeName, const char *value, std::string *output) { |
| 151 | output->clear(); |
| 152 | |
| 153 | char *end; |
| 154 | long long x = strtoll(value, &end, 10); |
| 155 | |
| 156 | if (end > value && *end == '\0' && errno != ERANGE) { |
| 157 | char out[32]; |
| 158 | if (typeName == "byte") { |
| 159 | sprintf(out, "%d", (int)(int8_t)x); |
| 160 | } else if (typeName == "short") { |
| 161 | sprintf(out, "%d", (int)(int16_t)x); |
| 162 | } else if (typeName == "int") { |
| 163 | sprintf(out, "%d", (int)(int32_t)x); |
| 164 | } else { |
| 165 | assert(typeName == "long"); |
Iliyan Malchev | 1c85808 | 2016-08-24 07:40:22 -0700 | [diff] [blame] | 166 | sprintf(out, "%" PRId64 "L", (int64_t)x); |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | *output = out; |
| 170 | return true; |
| 171 | } |
| 172 | |
| 173 | return false; |
| 174 | } |
| 175 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 176 | status_t EnumType::emitJavaTypeDeclarations(Formatter &out, bool) const { |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 177 | const ScalarType *scalarType = mStorageType->resolveToScalarType(); |
| 178 | CHECK(scalarType != NULL); |
| 179 | |
| 180 | out << "public final class " |
| 181 | << localName() |
| 182 | << " {\n"; |
| 183 | |
| 184 | out.indent(); |
| 185 | |
| 186 | const std::string typeName = scalarType->getJavaType(); |
| 187 | |
| 188 | std::vector<const EnumType *> chain; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 189 | getTypeChain(&chain); |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 190 | |
| 191 | for (auto it = chain.rbegin(); it != chain.rend(); ++it) { |
| 192 | const auto &type = *it; |
| 193 | |
Andreas Huber | ab647c0 | 2016-09-14 09:44:00 -0700 | [diff] [blame^] | 194 | std::string prevEntryName; |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 195 | for (const auto &entry : type->values()) { |
| 196 | out << "public static final " |
| 197 | << typeName |
| 198 | << " " |
Andreas Huber | ab647c0 | 2016-09-14 09:44:00 -0700 | [diff] [blame^] | 199 | << entry->name() |
| 200 | << " = "; |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 201 | |
Yifan Hong | 19ca75a | 2016-08-31 10:20:03 -0700 | [diff] [blame] | 202 | const char *value = entry->javaValue(scalarType->getKind()); |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 203 | if (value != NULL) { |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 204 | std::string convertedValue; |
| 205 | if (MakeSignedIntegerValue(typeName, value, &convertedValue)) { |
| 206 | out << convertedValue; |
| 207 | } else { |
| 208 | // The value is not an integer, but some other string, |
| 209 | // hopefully referring to some other enum name. |
| 210 | out << value; |
| 211 | } |
Andreas Huber | ab647c0 | 2016-09-14 09:44:00 -0700 | [diff] [blame^] | 212 | } else if (prevEntryName.empty()) { |
| 213 | out << "0"; |
| 214 | } else { |
| 215 | out << prevEntryName << " + 1"; |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 216 | } |
| 217 | |
Yifan Hong | 19ca75a | 2016-08-31 10:20:03 -0700 | [diff] [blame] | 218 | out << ";"; |
| 219 | |
| 220 | const char *comment = entry->comment(); |
| 221 | if (comment != NULL && strcmp(comment, value) != 0) { |
| 222 | out << " // " << comment; |
| 223 | } |
| 224 | |
| 225 | out << "\n"; |
Andreas Huber | ab647c0 | 2016-09-14 09:44:00 -0700 | [diff] [blame^] | 226 | |
| 227 | prevEntryName = entry->name(); |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 228 | } |
| 229 | } |
| 230 | |
| 231 | out.unindent(); |
| 232 | out << "};\n\n"; |
| 233 | |
| 234 | return OK; |
| 235 | } |
| 236 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 237 | status_t EnumType::emitVtsTypeDeclarations(Formatter &out) const { |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 238 | out << "name: \"" << localName() << "\"\n" |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 239 | << "type: TYPE_ENUM\n" |
| 240 | << "enum_value: {\n"; |
| 241 | out.indent(); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 242 | |
| 243 | std::vector<const EnumType *> chain; |
| 244 | getTypeChain(&chain); |
| 245 | |
| 246 | for (auto it = chain.rbegin(); it != chain.rend(); ++it) { |
| 247 | const auto &type = *it; |
| 248 | |
| 249 | for (const auto &entry : type->values()) { |
| 250 | out << "enumerator: \"" << entry->name() << "\"\n"; |
| 251 | |
| 252 | const char *value = entry->value(); |
| 253 | if (value != NULL) { |
| 254 | out << "value: " << value << "\n"; |
| 255 | } |
| 256 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 257 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 258 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 259 | out.unindent(); |
| 260 | out << "}\n"; |
| 261 | return OK; |
| 262 | } |
| 263 | |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 264 | status_t EnumType::emitVtsAttributeType(Formatter &out) const { |
Zhuoyao Zhang | 1993352 | 2016-08-29 15:06:38 -0700 | [diff] [blame] | 265 | out << "type: TYPE_ENUM\n" |
| 266 | << "predefined_type: \"" |
| 267 | << localName() |
| 268 | << "\"\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 269 | return OK; |
| 270 | } |
| 271 | |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 272 | void EnumType::getTypeChain(std::vector<const EnumType *> *out) const { |
| 273 | out->clear(); |
| 274 | const EnumType *type = this; |
| 275 | for (;;) { |
| 276 | out->push_back(type); |
| 277 | |
| 278 | const Type *superType = type->storageType(); |
| 279 | if (superType == NULL || !superType->isEnum()) { |
| 280 | break; |
| 281 | } |
| 282 | |
| 283 | type = static_cast<const EnumType *>(superType); |
| 284 | } |
| 285 | } |
| 286 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 287 | void EnumType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 288 | mStorageType->getAlignmentAndSize(align, size); |
| 289 | } |
| 290 | |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 291 | //////////////////////////////////////////////////////////////////////////////// |
| 292 | |
Yifan Hong | 5788697 | 2016-08-17 10:42:15 -0700 | [diff] [blame] | 293 | EnumValue::EnumValue(const char *name, const ConstantExpression *value) |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 294 | : mName(name), |
| 295 | mValue(value) { |
| 296 | } |
| 297 | |
| 298 | std::string EnumValue::name() const { |
| 299 | return mName; |
| 300 | } |
| 301 | |
| 302 | const char *EnumValue::value() const { |
Yifan Hong | 5788697 | 2016-08-17 10:42:15 -0700 | [diff] [blame] | 303 | return mValue ? mValue->value() : nullptr; |
| 304 | } |
| 305 | |
| 306 | const char *EnumValue::cppValue(ScalarType::Kind castKind) const { |
| 307 | return mValue ? mValue->cppValue(castKind) : nullptr; |
| 308 | } |
Yifan Hong | 19ca75a | 2016-08-31 10:20:03 -0700 | [diff] [blame] | 309 | const char *EnumValue::javaValue(ScalarType::Kind castKind) const { |
| 310 | return mValue ? mValue->javaValue(castKind) : nullptr; |
| 311 | } |
Yifan Hong | 5788697 | 2016-08-17 10:42:15 -0700 | [diff] [blame] | 312 | |
| 313 | const char *EnumValue::comment() const { |
| 314 | return mValue ? mValue->description() : nullptr; |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 315 | } |
| 316 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 317 | } // namespace android |
| 318 | |