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