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 "Type.h" |
| 18 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 19 | #include "Formatter.h" |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 20 | #include "ScalarType.h" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 21 | |
| 22 | #include <android-base/logging.h> |
| 23 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 24 | namespace android { |
| 25 | |
| 26 | Type::Type() {} |
| 27 | Type::~Type() {} |
| 28 | |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 29 | bool Type::isScope() const { |
| 30 | return false; |
| 31 | } |
| 32 | |
Andreas Huber | a2723d2 | 2016-07-29 15:36:07 -0700 | [diff] [blame] | 33 | bool Type::isInterface() const { |
| 34 | return false; |
| 35 | } |
| 36 | |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 37 | bool Type::isEnum() const { |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | bool Type::isTypeDef() const { |
| 42 | return false; |
| 43 | } |
| 44 | |
Andreas Huber | 295ad30 | 2016-08-16 11:35:00 -0700 | [diff] [blame] | 45 | bool Type::isBinder() const { |
| 46 | return false; |
| 47 | } |
| 48 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 49 | bool Type::isNamedType() const { |
| 50 | return false; |
| 51 | } |
| 52 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 53 | const ScalarType *Type::resolveToScalarType() const { |
| 54 | return NULL; |
| 55 | } |
| 56 | |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 57 | bool Type::isValidEnumStorageType() const { |
| 58 | const ScalarType *scalarType = resolveToScalarType(); |
| 59 | |
| 60 | if (scalarType == NULL) { |
| 61 | return false; |
| 62 | } |
| 63 | |
| 64 | return scalarType->isValidEnumStorageType(); |
| 65 | } |
| 66 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 67 | std::string Type::getCppType(StorageMode, std::string *) const { |
| 68 | CHECK(!"Should not be here"); |
| 69 | return std::string(); |
| 70 | } |
| 71 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 72 | std::string Type::getJavaWrapperType() const { |
| 73 | return getJavaType(); |
| 74 | } |
| 75 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 76 | std::string Type::getJavaSuffix() const { |
| 77 | CHECK(!"Should not be here"); |
| 78 | return std::string(); |
| 79 | } |
| 80 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 81 | void Type::emitReaderWriter( |
| 82 | Formatter &, |
| 83 | const std::string &, |
| 84 | const std::string &, |
| 85 | bool, |
| 86 | bool, |
| 87 | ErrorMode) const { |
| 88 | CHECK(!"Should not be here"); |
| 89 | } |
| 90 | |
| 91 | void Type::emitReaderWriterEmbedded( |
| 92 | Formatter &, |
| 93 | const std::string &, |
| 94 | bool, |
| 95 | const std::string &, |
| 96 | bool, |
| 97 | bool, |
| 98 | ErrorMode, |
| 99 | const std::string &, |
| 100 | const std::string &) const { |
| 101 | CHECK(!"Should not be here"); |
| 102 | } |
| 103 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 104 | void Type::emitJavaReaderWriter( |
| 105 | Formatter &out, |
| 106 | const std::string &parcelObj, |
| 107 | const std::string &argName, |
| 108 | bool isReader) const { |
| 109 | emitJavaReaderWriterWithSuffix( |
| 110 | out, |
| 111 | parcelObj, |
| 112 | argName, |
| 113 | isReader, |
| 114 | getJavaSuffix(), |
| 115 | "" /* extra */); |
| 116 | } |
| 117 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 118 | void Type::emitJavaFieldInitializer( |
| 119 | Formatter &out, |
| 120 | const std::string &fieldName) const { |
| 121 | out << getJavaType() |
| 122 | << " " |
| 123 | << fieldName |
| 124 | << ";\n"; |
| 125 | } |
| 126 | |
| 127 | void Type::emitJavaFieldReaderWriter( |
| 128 | Formatter &, |
| 129 | const std::string &, |
| 130 | const std::string &, |
| 131 | const std::string &, |
| 132 | bool) const { |
| 133 | CHECK(!"Should not be here"); |
| 134 | } |
| 135 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 136 | void Type::handleError(Formatter &out, ErrorMode mode) const { |
| 137 | switch (mode) { |
| 138 | case ErrorMode_Ignore: |
| 139 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 140 | out << "/* _hidl_err ignored! */\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 141 | break; |
| 142 | } |
| 143 | |
| 144 | case ErrorMode_Goto: |
| 145 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 146 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 147 | break; |
| 148 | } |
| 149 | |
| 150 | case ErrorMode_Break: |
| 151 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 152 | out << "if (_hidl_err != ::android::OK) { break; }\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 153 | break; |
| 154 | } |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 155 | |
| 156 | case ErrorMode_Return: |
| 157 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 158 | out << "if (_hidl_err != ::android::OK) { return _hidl_err; }\n\n"; |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 159 | break; |
| 160 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 161 | } |
| 162 | } |
| 163 | |
| 164 | void Type::handleError2(Formatter &out, ErrorMode mode) const { |
| 165 | switch (mode) { |
| 166 | case ErrorMode_Goto: |
| 167 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 168 | out << "goto _hidl_error;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 169 | break; |
| 170 | } |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 171 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 172 | case ErrorMode_Break: |
| 173 | { |
| 174 | out << "break;\n"; |
| 175 | break; |
| 176 | } |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 177 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 178 | case ErrorMode_Ignore: |
| 179 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 180 | out << "/* ignoring _hidl_error! */"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 181 | break; |
| 182 | } |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 183 | |
| 184 | case ErrorMode_Return: |
| 185 | { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 186 | out << "return _hidl_err;\n"; |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 187 | break; |
| 188 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 189 | } |
| 190 | } |
| 191 | |
| 192 | void Type::emitReaderWriterEmbeddedForTypeName( |
| 193 | Formatter &out, |
| 194 | const std::string &name, |
| 195 | bool nameIsPointer, |
| 196 | const std::string &parcelObj, |
| 197 | bool parcelObjIsPointer, |
| 198 | bool isReader, |
| 199 | ErrorMode mode, |
| 200 | const std::string &parentName, |
| 201 | const std::string &offsetText, |
| 202 | const std::string &typeName, |
| 203 | const std::string &childName) const { |
| 204 | const std::string parcelObjDeref = |
| 205 | parcelObjIsPointer ? ("*" + parcelObj) : parcelObj; |
| 206 | |
| 207 | const std::string parcelObjPointer = |
| 208 | parcelObjIsPointer ? parcelObj : ("&" + parcelObj); |
| 209 | |
| 210 | const std::string nameDeref = name + (nameIsPointer ? "->" : "."); |
| 211 | const std::string namePointer = nameIsPointer ? name : ("&" + name); |
| 212 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 213 | out << "_hidl_err = "; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 214 | |
| 215 | if (isReader) { |
| 216 | out << "const_cast<" |
| 217 | << typeName |
| 218 | << " *>(" |
| 219 | << namePointer |
| 220 | << ")->readEmbeddedFromParcel(\n"; |
| 221 | } else { |
| 222 | out << nameDeref |
| 223 | << "writeEmbeddedToParcel(\n"; |
| 224 | } |
| 225 | |
| 226 | out.indent(); |
| 227 | out.indent(); |
| 228 | |
| 229 | out << (isReader ? parcelObjDeref : parcelObjPointer) |
| 230 | << ",\n" |
| 231 | << parentName |
| 232 | << ",\n" |
| 233 | << offsetText; |
| 234 | |
| 235 | if (!childName.empty()) { |
| 236 | out << ", &" |
| 237 | << childName; |
| 238 | } |
| 239 | |
| 240 | out << ");\n\n"; |
| 241 | |
| 242 | out.unindent(); |
| 243 | out.unindent(); |
| 244 | |
| 245 | handleError(out, mode); |
| 246 | } |
| 247 | |
| 248 | status_t Type::emitTypeDeclarations(Formatter &) const { |
| 249 | return OK; |
| 250 | } |
| 251 | |
| 252 | status_t Type::emitTypeDefinitions( |
| 253 | Formatter &, const std::string) const { |
| 254 | return OK; |
| 255 | } |
| 256 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 257 | status_t Type::emitJavaTypeDeclarations(Formatter &, bool) const { |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 258 | return OK; |
| 259 | } |
| 260 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 261 | bool Type::needsEmbeddedReadWrite() const { |
| 262 | return false; |
| 263 | } |
| 264 | |
| 265 | bool Type::resultNeedsDeref() const { |
| 266 | return false; |
| 267 | } |
| 268 | |
| 269 | std::string Type::getCppType(std::string *extra) const { |
| 270 | return getCppType(StorageMode_Stack, extra); |
| 271 | } |
| 272 | |
| 273 | std::string Type::getCppResultType(std::string *extra) const { |
| 274 | return getCppType(StorageMode_Result, extra); |
| 275 | } |
| 276 | |
| 277 | std::string Type::getCppArgumentType(std::string *extra) const { |
| 278 | return getCppType(StorageMode_Argument, extra); |
| 279 | } |
| 280 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 281 | void Type::emitJavaReaderWriterWithSuffix( |
| 282 | Formatter &out, |
| 283 | const std::string &parcelObj, |
| 284 | const std::string &argName, |
| 285 | bool isReader, |
| 286 | const std::string &suffix, |
| 287 | const std::string &extra) const { |
| 288 | out << parcelObj |
| 289 | << "." |
| 290 | << (isReader ? "read" : "write") |
| 291 | << suffix |
| 292 | << "("; |
| 293 | |
| 294 | if (isReader) { |
| 295 | out << extra; |
| 296 | } else { |
| 297 | out << (extra.empty() ? "" : (extra + ", ")); |
| 298 | out << argName; |
| 299 | } |
| 300 | |
| 301 | out << ");\n"; |
| 302 | } |
| 303 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 304 | status_t Type::emitVtsTypeDeclarations(Formatter &) const { |
| 305 | return OK; |
| 306 | } |
| 307 | |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 308 | status_t Type::emitVtsAttributeType(Formatter &out) const { |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 309 | return emitVtsTypeDeclarations(out); |
| 310 | } |
| 311 | |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 312 | bool Type::isJavaCompatible() const { |
| 313 | return true; |
| 314 | } |
| 315 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 316 | void Type::getAlignmentAndSize(size_t *, size_t *) const { |
| 317 | CHECK(!"Should not be here"); |
| 318 | } |
| 319 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 320 | } // namespace android |
| 321 | |