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 "ScalarType.h" |
| 18 | |
| 19 | #include "Formatter.h" |
| 20 | |
| 21 | namespace android { |
| 22 | |
| 23 | ScalarType::ScalarType(Kind kind) |
| 24 | : mKind(kind) { |
| 25 | } |
| 26 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 27 | const ScalarType *ScalarType::resolveToScalarType() const { |
| 28 | return this; |
| 29 | } |
| 30 | |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 31 | bool ScalarType::isValidEnumStorageType() const { |
| 32 | // Only integer types. |
| 33 | return mKind >= KIND_INT8 && mKind <= KIND_UINT64; |
| 34 | } |
| 35 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 36 | std::string ScalarType::getCppType(StorageMode, std::string *extra) const { |
| 37 | static const char *const kName[] = { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 38 | "bool", |
| 39 | "void *", |
| 40 | "int8_t", |
| 41 | "uint8_t", |
| 42 | "int16_t", |
| 43 | "uint16_t", |
| 44 | "int32_t", |
| 45 | "uint32_t", |
| 46 | "int64_t", |
| 47 | "uint64_t", |
| 48 | "float", |
| 49 | "double" |
| 50 | }; |
| 51 | |
| 52 | extra->clear(); |
| 53 | |
| 54 | return kName[mKind]; |
| 55 | } |
| 56 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 57 | std::string ScalarType::getJavaType() const { |
| 58 | static const char *const kName[] = { |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 59 | "boolean", |
| 60 | "long", |
| 61 | "byte", |
| 62 | "byte", |
| 63 | "short", |
| 64 | "short", |
| 65 | "int", |
| 66 | "int", |
| 67 | "long", |
| 68 | "long", |
| 69 | "float", |
| 70 | "double" |
| 71 | }; |
| 72 | |
| 73 | return kName[mKind]; |
| 74 | } |
| 75 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 76 | std::string ScalarType::getJavaWrapperType() const { |
| 77 | static const char *const kName[] = { |
| 78 | "Boolean", |
| 79 | "Long", |
| 80 | "Byte", |
| 81 | "Byte", |
| 82 | "Short", |
| 83 | "Short", |
| 84 | "Int", |
| 85 | "Int", |
| 86 | "Long", |
| 87 | "Long", |
| 88 | "Float", |
| 89 | "Double" |
| 90 | }; |
| 91 | |
| 92 | return kName[mKind]; |
| 93 | } |
| 94 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 95 | std::string ScalarType::getJavaSuffix() const { |
| 96 | static const char *const kSuffix[] = { |
Andreas Huber | d85a509 | 2016-08-25 09:51:52 -0700 | [diff] [blame] | 97 | "Bool", |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 98 | "Pointer", |
| 99 | "Int8", |
| 100 | "Int8", |
| 101 | "Int16", |
| 102 | "Int16", |
| 103 | "Int32", |
| 104 | "Int32", |
| 105 | "Int64", |
| 106 | "Int64", |
| 107 | "Float", |
| 108 | "Double" |
| 109 | }; |
| 110 | |
| 111 | return kSuffix[mKind]; |
| 112 | } |
| 113 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 114 | void ScalarType::emitReaderWriter( |
| 115 | Formatter &out, |
| 116 | const std::string &name, |
| 117 | const std::string &parcelObj, |
| 118 | bool parcelObjIsPointer, |
| 119 | bool isReader, |
| 120 | ErrorMode mode) const { |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 121 | emitReaderWriterWithCast( |
| 122 | out, |
| 123 | name, |
| 124 | parcelObj, |
| 125 | parcelObjIsPointer, |
| 126 | isReader, |
| 127 | mode, |
| 128 | false /* needsCast */); |
| 129 | } |
| 130 | |
| 131 | void ScalarType::emitReaderWriterWithCast( |
| 132 | Formatter &out, |
| 133 | const std::string &name, |
| 134 | const std::string &parcelObj, |
| 135 | bool parcelObjIsPointer, |
| 136 | bool isReader, |
| 137 | ErrorMode mode, |
| 138 | bool needsCast) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 139 | static const char *const kSuffix[] = { |
Iliyan Malchev | e0b2867 | 2016-08-14 13:35:12 -0700 | [diff] [blame] | 140 | "Bool", |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 141 | "Pointer", |
| 142 | "Int8", |
| 143 | "Uint8", |
| 144 | "Int16", |
| 145 | "Uint16", |
| 146 | "Int32", |
| 147 | "Uint32", |
| 148 | "Int64", |
| 149 | "Uint64", |
| 150 | "Float", |
| 151 | "Double" |
| 152 | }; |
| 153 | |
| 154 | const std::string parcelObjDeref = |
| 155 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 156 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 157 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 158 | << parcelObjDeref |
| 159 | << (isReader ? "read" : "write") |
| 160 | << kSuffix[mKind] |
| 161 | << "("; |
| 162 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 163 | if (needsCast) { |
| 164 | std::string extra; |
| 165 | |
| 166 | out << "(" |
| 167 | << Type::getCppType(&extra) |
| 168 | << (isReader ? " *)" : ")"); |
| 169 | } |
| 170 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 171 | if (isReader) { |
| 172 | out << "&"; |
| 173 | } |
| 174 | |
| 175 | out << name |
| 176 | << ");\n"; |
| 177 | |
| 178 | handleError(out, mode); |
| 179 | } |
| 180 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 181 | void ScalarType::emitJavaFieldReaderWriter( |
| 182 | Formatter &out, |
| 183 | const std::string &blobName, |
| 184 | const std::string &fieldName, |
| 185 | const std::string &offset, |
| 186 | bool isReader) const { |
| 187 | if (isReader) { |
| 188 | out << fieldName |
| 189 | << " = " |
| 190 | << blobName |
| 191 | << ".get" |
| 192 | << getJavaSuffix() |
| 193 | << "(" |
| 194 | << offset |
| 195 | << ");\n"; |
| 196 | |
| 197 | return; |
| 198 | } |
| 199 | |
| 200 | out << blobName |
| 201 | << ".put" |
| 202 | << getJavaSuffix() |
| 203 | << "(" |
| 204 | << offset |
| 205 | << ", " |
| 206 | << fieldName |
| 207 | << ");\n"; |
| 208 | } |
| 209 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 210 | status_t ScalarType::emitVtsTypeDeclarations(Formatter &out) const { |
| 211 | std::string extra; |
| 212 | out << "type: TYPE_SCALAR\n" |
| 213 | << "scalar_type: " |
| 214 | << getCppType(StorageMode_Stack, &extra) |
| 215 | << "\n"; |
| 216 | return OK; |
| 217 | } |
| 218 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 219 | void ScalarType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 220 | static const size_t kAlign[] = { |
| 221 | 1, // bool, this is NOT standardized! |
| 222 | 8, // void *, 64-bit mode |
| 223 | 1, // int8_t |
| 224 | 1, // uint8_t |
| 225 | 2, // int16_t |
| 226 | 2, // uint16_t |
| 227 | 4, // int32_t |
| 228 | 4, // uint32_t |
| 229 | 8, // int64_t |
| 230 | 8, // uint64_t |
| 231 | 4, // float |
| 232 | 8 // double |
| 233 | }; |
| 234 | |
| 235 | *align = *size = kAlign[mKind]; |
| 236 | } |
| 237 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 238 | } // namespace android |
| 239 | |