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 "AST.h" |
| 18 | |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 19 | #include "Coordinator.h" |
Yifan Hong | f24fa85 | 2016-09-23 11:03:15 -0700 | [diff] [blame] | 20 | #include "EnumType.h" |
Andreas Huber | eb1081f | 2016-07-28 13:13:24 -0700 | [diff] [blame] | 21 | #include "HandleType.h" |
Andreas Huber | bfd7621 | 2016-08-09 11:12:16 -0700 | [diff] [blame] | 22 | #include "Interface.h" |
Yifan Hong | a4b53d0 | 2016-10-31 17:29:10 -0700 | [diff] [blame] | 23 | #include "Location.h" |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 24 | #include "FmqType.h" |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 25 | #include "Scope.h" |
Andreas Huber | 8d3ac0c | 2016-08-04 14:49:23 -0700 | [diff] [blame] | 26 | #include "TypeDef.h" |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 27 | |
Andreas Huber | eb1081f | 2016-07-28 13:13:24 -0700 | [diff] [blame] | 28 | #include <android-base/logging.h> |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 29 | #include <hidl-util/FQName.h> |
| 30 | #include <hidl-util/Formatter.h> |
| 31 | #include <hidl-util/StringHelper.h> |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 32 | #include <stdlib.h> |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 33 | #include <algorithm> |
| 34 | #include <iostream> |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 35 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 36 | namespace android { |
| 37 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 38 | AST::AST(const Coordinator* coordinator, const std::string& path) |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 39 | : mCoordinator(coordinator), |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 40 | mPath(path), |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 41 | mRootScope("(root scope)", Location::startOf(path), nullptr /* parent */) {} |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 42 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 43 | Scope* AST::getRootScope() { |
| 44 | return &mRootScope; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 45 | } |
| 46 | |
Yifan Hong | be627b3 | 2016-10-28 18:38:56 -0700 | [diff] [blame] | 47 | // used by the parser. |
| 48 | void AST::addSyntaxError() { |
| 49 | mSyntaxErrors++; |
| 50 | } |
| 51 | |
| 52 | size_t AST::syntaxErrors() const { |
| 53 | return mSyntaxErrors; |
| 54 | } |
| 55 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 56 | const std::string &AST::getFilename() const { |
| 57 | return mPath; |
| 58 | } |
| 59 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 60 | bool AST::setPackage(const char *package) { |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 61 | mPackage.setTo(package); |
| 62 | CHECK(mPackage.isValid()); |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 63 | |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 64 | if (mPackage.package().empty() |
| 65 | || mPackage.version().empty() |
| 66 | || !mPackage.name().empty()) { |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 67 | return false; |
| 68 | } |
| 69 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 70 | return true; |
Andreas Huber | eb1081f | 2016-07-28 13:13:24 -0700 | [diff] [blame] | 71 | } |
| 72 | |
Andreas Huber | a2723d2 | 2016-07-29 15:36:07 -0700 | [diff] [blame] | 73 | FQName AST::package() const { |
| 74 | return mPackage; |
| 75 | } |
| 76 | |
Steven Moreland | 19f11b5 | 2017-05-12 18:22:21 -0700 | [diff] [blame] | 77 | bool AST::isInterface() const { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 78 | return mRootScope.getInterface() != nullptr; |
Andreas Huber | a2723d2 | 2016-07-29 15:36:07 -0700 | [diff] [blame] | 79 | } |
| 80 | |
Andreas Huber | 7c5ddfb | 2016-09-29 13:45:22 -0700 | [diff] [blame] | 81 | bool AST::containsInterfaces() const { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 82 | return mRootScope.containsInterfaces(); |
Andreas Huber | 7c5ddfb | 2016-09-29 13:45:22 -0700 | [diff] [blame] | 83 | } |
| 84 | |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 85 | bool AST::addImport(const char *import) { |
| 86 | FQName fqName(import); |
| 87 | CHECK(fqName.isValid()); |
Andreas Huber | eb1081f | 2016-07-28 13:13:24 -0700 | [diff] [blame] | 88 | |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 89 | fqName.applyDefaults(mPackage.package(), mPackage.version()); |
| 90 | |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 91 | // LOG(INFO) << "importing " << fqName.string(); |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 92 | |
| 93 | if (fqName.name().empty()) { |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 94 | // import a package |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 95 | std::vector<FQName> packageInterfaces; |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 96 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 97 | status_t err = |
Steven Moreland | aa18683 | 2016-09-26 13:51:43 -0700 | [diff] [blame] | 98 | mCoordinator->appendPackageInterfacesToVector(fqName, |
| 99 | &packageInterfaces); |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 100 | |
| 101 | if (err != OK) { |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 102 | return false; |
| 103 | } |
| 104 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 105 | for (const auto &subFQName : packageInterfaces) { |
Yifan Hong | f619fc7 | 2017-04-07 15:40:06 -0700 | [diff] [blame] | 106 | // Do not enforce restrictions on imports. |
Steven Moreland | c59326e | 2017-06-20 15:19:30 -0700 | [diff] [blame] | 107 | AST* ast = mCoordinator->parse(subFQName, &mImportedASTs, Coordinator::Enforce::NONE); |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 108 | if (ast == nullptr) { |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 109 | return false; |
| 110 | } |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 111 | // all previous single type imports are ignored. |
| 112 | mImportedTypes.erase(ast); |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | return true; |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 116 | } |
| 117 | |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 118 | AST *importAST; |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 119 | |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 120 | // cases like android.hardware.foo@1.0::IFoo.Internal |
| 121 | // android.hardware.foo@1.0::Abc.Internal |
| 122 | |
| 123 | // assume it is an interface, and try to import it. |
| 124 | const FQName interfaceName = fqName.getTopLevelType(); |
Yifan Hong | f619fc7 | 2017-04-07 15:40:06 -0700 | [diff] [blame] | 125 | // Do not enforce restrictions on imports. |
Steven Moreland | c59326e | 2017-06-20 15:19:30 -0700 | [diff] [blame] | 126 | importAST = mCoordinator->parse(interfaceName, &mImportedASTs, Coordinator::Enforce::NONE); |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 127 | |
| 128 | if (importAST != nullptr) { |
| 129 | // cases like android.hardware.foo@1.0::IFoo.Internal |
| 130 | // and android.hardware.foo@1.0::IFoo |
| 131 | if (fqName == interfaceName) { |
| 132 | // import a single file. |
| 133 | // all previous single type imports are ignored. |
| 134 | // cases like android.hardware.foo@1.0::IFoo |
| 135 | // and android.hardware.foo@1.0::types |
| 136 | mImportedTypes.erase(importAST); |
| 137 | return true; |
| 138 | } |
| 139 | |
| 140 | // import a single type from this file |
| 141 | // cases like android.hardware.foo@1.0::IFoo.Internal |
| 142 | FQName matchingName; |
| 143 | Type *match = importAST->findDefinedType(fqName, &matchingName); |
| 144 | if (match == nullptr) { |
| 145 | return false; |
| 146 | } |
| 147 | // will automatically create a set if it does not exist |
| 148 | mImportedTypes[importAST].insert(match); |
| 149 | return true; |
Andreas Huber | 68f2459 | 2016-07-29 14:53:48 -0700 | [diff] [blame] | 150 | } |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 151 | |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 152 | // probably a type in types.hal, like android.hardware.foo@1.0::Abc.Internal |
| 153 | FQName typesFQName = fqName.getTypesForPackage(); |
Yifan Hong | f619fc7 | 2017-04-07 15:40:06 -0700 | [diff] [blame] | 154 | |
| 155 | // Do not enforce restrictions on imports. |
Steven Moreland | c59326e | 2017-06-20 15:19:30 -0700 | [diff] [blame] | 156 | importAST = mCoordinator->parse(typesFQName, &mImportedASTs, Coordinator::Enforce::NONE); |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 157 | |
| 158 | if (importAST != nullptr) { |
| 159 | // Attempt to find Abc.Internal in types. |
| 160 | FQName matchingName; |
| 161 | Type *match = importAST->findDefinedType(fqName, &matchingName); |
| 162 | if (match == nullptr) { |
| 163 | return false; |
| 164 | } |
| 165 | // will automatically create a set if not exist |
| 166 | mImportedTypes[importAST].insert(match); |
| 167 | return true; |
| 168 | } |
| 169 | |
| 170 | // can't find an appropriate AST for fqName. |
| 171 | return false; |
Andreas Huber | eb1081f | 2016-07-28 13:13:24 -0700 | [diff] [blame] | 172 | } |
| 173 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 174 | void AST::addImportedAST(AST *ast) { |
| 175 | mImportedASTs.insert(ast); |
| 176 | } |
| 177 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 178 | bool AST::addScopedType(NamedType* type, std::string* errorMsg, Scope* scope) { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 179 | bool success = scope->addType(type, errorMsg); |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 180 | if (!success) { |
| 181 | return false; |
| 182 | } |
| 183 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 184 | std::vector<std::string> pathComponents{{type->localName()}}; |
| 185 | for (; scope != &mRootScope; scope = scope->parent()) { |
| 186 | pathComponents.push_back(scope->localName()); |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 187 | } |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 188 | |
| 189 | std::reverse(pathComponents.begin(), pathComponents.end()); |
| 190 | std::string path = StringHelper::JoinStrings(pathComponents, "."); |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 191 | |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 192 | FQName fqName(mPackage.package(), mPackage.version(), path); |
Steven Moreland | d537ab0 | 2016-09-12 10:32:01 -0700 | [diff] [blame] | 193 | type->setFullName(fqName); |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 194 | |
Steven Moreland | d537ab0 | 2016-09-12 10:32:01 -0700 | [diff] [blame] | 195 | mDefinedTypesByFullName[fqName] = type; |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 196 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 197 | return true; |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 200 | EnumValue* AST::lookupEnumValue(const FQName& fqName, std::string* errorMsg, Scope* scope) { |
Yifan Hong | f24fa85 | 2016-09-23 11:03:15 -0700 | [diff] [blame] | 201 | FQName enumTypeName = fqName.typeName(); |
| 202 | std::string enumValueName = fqName.valueName(); |
| 203 | |
| 204 | CHECK(enumTypeName.isValid()); |
| 205 | CHECK(!enumValueName.empty()); |
| 206 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 207 | Type* type = lookupType(enumTypeName, scope); |
Yifan Hong | f24fa85 | 2016-09-23 11:03:15 -0700 | [diff] [blame] | 208 | if(type == nullptr) { |
| 209 | *errorMsg = "Cannot find type " + enumTypeName.string(); |
| 210 | return nullptr; |
| 211 | } |
| 212 | if(!type->isEnum()) { |
| 213 | *errorMsg = "Type " + enumTypeName.string() + " is not an enum type"; |
| 214 | return nullptr; |
| 215 | } |
| 216 | |
| 217 | EnumType *enumType = static_cast<EnumType *>(type); |
| 218 | EnumValue *v = static_cast<EnumValue *>(enumType->lookupIdentifier(enumValueName)); |
| 219 | if(v == nullptr) { |
| 220 | *errorMsg = "Enum type " + enumTypeName.string() + " does not have " + enumValueName; |
| 221 | return nullptr; |
| 222 | } |
| 223 | return v; |
| 224 | } |
| 225 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 226 | Type* AST::lookupType(const FQName& fqName, Scope* scope) { |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 227 | CHECK(fqName.isValid()); |
| 228 | |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 229 | if (fqName.name().empty()) { |
| 230 | // Given a package and version??? |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 231 | return nullptr; |
Andreas Huber | da51b8e | 2016-07-28 16:00:57 -0700 | [diff] [blame] | 232 | } |
| 233 | |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 234 | Type *returnedType = nullptr; |
| 235 | |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 236 | if (fqName.package().empty() && fqName.version().empty()) { |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 237 | // resolve locally first if possible. |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 238 | returnedType = lookupTypeLocally(fqName, scope); |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 239 | if (returnedType != nullptr) { |
| 240 | return returnedType; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 241 | } |
| 242 | } |
| 243 | |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 244 | if (!fqName.isFullyQualified()) { |
| 245 | status_t status = lookupAutofilledType(fqName, &returnedType); |
| 246 | if (status != OK) { |
| 247 | return nullptr; |
| 248 | } |
| 249 | if (returnedType != nullptr) { |
| 250 | return returnedType; |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | return lookupTypeFromImports(fqName); |
| 255 | } |
| 256 | |
| 257 | // Rule 0: try resolve locally |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 258 | Type* AST::lookupTypeLocally(const FQName& fqName, Scope* scope) { |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 259 | CHECK(fqName.package().empty() && fqName.version().empty() |
| 260 | && !fqName.name().empty() && fqName.valueName().empty()); |
| 261 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 262 | for (; scope != nullptr; scope = scope->parent()) { |
| 263 | Type* type = scope->lookupType(fqName); |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 264 | |
| 265 | if (type != nullptr) { |
| 266 | // Resolve typeDefs to the target type. |
| 267 | while (type->isTypeDef()) { |
| 268 | type = static_cast<TypeDef *>(type)->referencedType(); |
| 269 | } |
| 270 | |
| 271 | return type; |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | return nullptr; |
| 276 | } |
| 277 | |
| 278 | // Rule 1: auto-fill with current package |
| 279 | status_t AST::lookupAutofilledType(const FQName &fqName, Type **returnedType) { |
| 280 | CHECK(!fqName.isFullyQualified() && !fqName.name().empty() && fqName.valueName().empty()); |
| 281 | |
| 282 | FQName autofilled = fqName; |
| 283 | autofilled.applyDefaults(mPackage.package(), mPackage.version()); |
| 284 | FQName matchingName; |
| 285 | // Given this fully-qualified name, the type may be defined in this AST, or other files |
| 286 | // in import. |
| 287 | Type *local = findDefinedType(autofilled, &matchingName); |
| 288 | CHECK(local == nullptr || autofilled == matchingName); |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 289 | Type* fromImport = lookupType(autofilled, nullptr /* scope */); |
Yifan Hong | 87ff823 | 2017-01-09 12:07:05 -0800 | [diff] [blame] | 290 | |
| 291 | if (local != nullptr && fromImport != nullptr && local != fromImport) { |
| 292 | // Something bad happen; two types have the same FQName. |
| 293 | std::cerr << "ERROR: Unable to resolve type name '" |
| 294 | << fqName.string() |
| 295 | << "' (i.e. '" |
| 296 | << autofilled.string() |
| 297 | << "'), multiple definitions found.\n"; |
| 298 | |
| 299 | return UNKNOWN_ERROR; |
| 300 | } |
| 301 | if (local != nullptr) { |
| 302 | *returnedType = local; |
| 303 | return OK; |
| 304 | } |
| 305 | // If fromImport is nullptr as well, return nullptr to fall through to next rule. |
| 306 | *returnedType = fromImport; |
| 307 | return OK; |
| 308 | } |
| 309 | |
| 310 | // Rule 2: look at imports |
| 311 | Type *AST::lookupTypeFromImports(const FQName &fqName) { |
| 312 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 313 | Type *resolvedType = nullptr; |
Iliyan Malchev | 800273d | 2016-09-02 15:25:07 -0700 | [diff] [blame] | 314 | Type *returnedType = nullptr; |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 315 | FQName resolvedName; |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 316 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 317 | for (const auto &importedAST : mImportedASTs) { |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 318 | if (mImportedTypes.find(importedAST) != mImportedTypes.end()) { |
| 319 | // ignore single type imports |
| 320 | continue; |
| 321 | } |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 322 | FQName matchingName; |
| 323 | Type *match = importedAST->findDefinedType(fqName, &matchingName); |
Andreas Huber | 84f89de | 2016-07-28 15:39:51 -0700 | [diff] [blame] | 324 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 325 | if (match != nullptr) { |
| 326 | if (resolvedType != nullptr) { |
| 327 | std::cerr << "ERROR: Unable to resolve type name '" |
| 328 | << fqName.string() |
| 329 | << "', multiple matches found:\n"; |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 330 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 331 | std::cerr << " " << resolvedName.string() << "\n"; |
| 332 | std::cerr << " " << matchingName.string() << "\n"; |
| 333 | |
Yifan Hong | 1977ea3 | 2016-10-05 12:49:08 -0700 | [diff] [blame] | 334 | return nullptr; |
| 335 | } |
| 336 | |
| 337 | resolvedType = match; |
| 338 | returnedType = resolvedType; |
| 339 | resolvedName = matchingName; |
| 340 | |
| 341 | // Keep going even after finding a match. |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | for (const auto &pair : mImportedTypes) { |
| 346 | AST *importedAST = pair.first; |
| 347 | std::set<Type *> importedTypes = pair.second; |
| 348 | |
| 349 | FQName matchingName; |
| 350 | Type *match = importedAST->findDefinedType(fqName, &matchingName); |
| 351 | if (match != nullptr && |
| 352 | importedTypes.find(match) != importedTypes.end()) { |
| 353 | if (resolvedType != nullptr) { |
| 354 | std::cerr << "ERROR: Unable to resolve type name '" |
| 355 | << fqName.string() |
| 356 | << "', multiple matches found:\n"; |
| 357 | |
| 358 | std::cerr << " " << resolvedName.string() << "\n"; |
| 359 | std::cerr << " " << matchingName.string() << "\n"; |
| 360 | |
| 361 | return nullptr; |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | resolvedType = match; |
Iliyan Malchev | 800273d | 2016-09-02 15:25:07 -0700 | [diff] [blame] | 365 | returnedType = resolvedType; |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 366 | resolvedName = matchingName; |
| 367 | |
| 368 | // Keep going even after finding a match. |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | if (resolvedType) { |
| 373 | #if 0 |
| 374 | LOG(INFO) << "found '" |
| 375 | << resolvedName.string() |
| 376 | << "' after looking for '" |
| 377 | << fqName.string() |
| 378 | << "'."; |
| 379 | #endif |
| 380 | |
| 381 | // Resolve typeDefs to the target type. |
| 382 | while (resolvedType->isTypeDef()) { |
| 383 | resolvedType = |
| 384 | static_cast<TypeDef *>(resolvedType)->referencedType(); |
| 385 | } |
| 386 | |
Iliyan Malchev | 800273d | 2016-09-02 15:25:07 -0700 | [diff] [blame] | 387 | returnedType = resolvedType; |
| 388 | |
| 389 | // If the resolved type is not an interface, we need to determine |
| 390 | // whether it is defined in types.hal, or in some other interface. In |
| 391 | // the latter case, we need to emit a dependency for the interface in |
| 392 | // which the type is defined. |
| 393 | // |
| 394 | // Consider the following: |
| 395 | // android.hardware.tests.foo@1.0::Record |
| 396 | // android.hardware.tests.foo@1.0::IFoo.Folder |
| 397 | // android.hardware.tests.foo@1.0::Folder |
| 398 | // |
| 399 | // If Record is an interface, then we keep track of it for the purpose |
| 400 | // of emitting dependencies in the target language (for example #include |
| 401 | // in C++). If Record is a UDT, then we assume it is defined in |
| 402 | // types.hal in android.hardware.tests.foo@1.0. |
| 403 | // |
| 404 | // In the case of IFoo.Folder, the same applies. If IFoo is an |
| 405 | // interface, we need to track this for the purpose of emitting |
| 406 | // dependencies. If not, then it must have been defined in types.hal. |
| 407 | // |
| 408 | // In the case of just specifying Folder, the resolved type is |
Yifan Hong | fece6ec | 2017-01-12 17:04:04 -0800 | [diff] [blame] | 409 | // android.hardware.tests.foo@1.0::Folder, and the same logic as |
Iliyan Malchev | 800273d | 2016-09-02 15:25:07 -0700 | [diff] [blame] | 410 | // above applies. |
| 411 | |
| 412 | if (!resolvedType->isInterface()) { |
Yifan Hong | fece6ec | 2017-01-12 17:04:04 -0800 | [diff] [blame] | 413 | FQName ifc = resolvedName.getTopLevelType(); |
Iliyan Malchev | 800273d | 2016-09-02 15:25:07 -0700 | [diff] [blame] | 414 | for (const auto &importedAST : mImportedASTs) { |
| 415 | FQName matchingName; |
| 416 | Type *match = importedAST->findDefinedType(ifc, &matchingName); |
| 417 | if (match != nullptr && match->isInterface()) { |
| 418 | resolvedType = match; |
| 419 | } |
| 420 | } |
| 421 | } |
| 422 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 423 | if (!resolvedType->isInterface()) { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 424 | // Non-interface types are declared in the associated types header. |
Yifan Hong | fece6ec | 2017-01-12 17:04:04 -0800 | [diff] [blame] | 425 | FQName typesName = resolvedName.getTypesForPackage(); |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 426 | |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 427 | mImportedNames.insert(typesName); |
| 428 | } else { |
Andreas Huber | bfd7621 | 2016-08-09 11:12:16 -0700 | [diff] [blame] | 429 | // Do _not_ use fqName, i.e. the name we used to look up the type, |
| 430 | // but instead use the name of the interface we found. |
| 431 | // This is necessary because if fqName pointed to a typedef which |
| 432 | // in turn referenced the found interface we'd mistakenly use the |
| 433 | // name of the typedef instead of the proper name of the interface. |
| 434 | |
| 435 | mImportedNames.insert( |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 436 | static_cast<Interface *>(resolvedType)->fqName()); |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 437 | } |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 438 | } |
| 439 | |
Steven Moreland | bb5c80b | 2016-10-05 11:07:36 -0700 | [diff] [blame] | 440 | return returnedType; |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 441 | } |
| 442 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 443 | Type *AST::findDefinedType(const FQName &fqName, FQName *matchingName) const { |
Steven Moreland | d537ab0 | 2016-09-12 10:32:01 -0700 | [diff] [blame] | 444 | for (const auto &pair : mDefinedTypesByFullName) { |
| 445 | const FQName &key = pair.first; |
| 446 | Type* type = pair.second; |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 447 | |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 448 | if (key.endsWith(fqName)) { |
| 449 | *matchingName = key; |
Steven Moreland | d537ab0 | 2016-09-12 10:32:01 -0700 | [diff] [blame] | 450 | return type; |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 451 | } |
Andreas Huber | 5345ec2 | 2016-07-29 13:33:27 -0700 | [diff] [blame] | 452 | } |
Andreas Huber | 39fa718 | 2016-08-19 14:27:33 -0700 | [diff] [blame] | 453 | |
| 454 | return nullptr; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 455 | } |
| 456 | |
Iliyan Malchev | 5bb1402 | 2016-08-09 15:04:39 -0700 | [diff] [blame] | 457 | void AST::getImportedPackages(std::set<FQName> *importSet) const { |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 458 | for (const auto &fqName : mImportedNames) { |
Yifan Hong | fece6ec | 2017-01-12 17:04:04 -0800 | [diff] [blame] | 459 | FQName packageName = fqName.getPackageAndVersion(); |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 460 | |
| 461 | if (packageName == mPackage) { |
| 462 | // We only care about external imports, not our own package. |
| 463 | continue; |
| 464 | } |
| 465 | |
| 466 | importSet->insert(packageName); |
| 467 | } |
| 468 | } |
| 469 | |
Yifan Hong | 40a373d | 2016-11-30 15:16:47 -0800 | [diff] [blame] | 470 | void AST::getImportedPackagesHierarchy(std::set<FQName> *importSet) const { |
| 471 | getImportedPackages(importSet); |
| 472 | std::set<FQName> newSet; |
| 473 | for (const auto &ast : mImportedASTs) { |
| 474 | if (importSet->find(ast->package()) != importSet->end()) { |
| 475 | ast->getImportedPackagesHierarchy(&newSet); |
| 476 | } |
| 477 | } |
| 478 | importSet->insert(newSet.begin(), newSet.end()); |
| 479 | } |
| 480 | |
Zhuoyao Zhang | c4e1060 | 2017-01-27 16:48:05 -0800 | [diff] [blame] | 481 | void AST::getAllImportedNames(std::set<FQName> *allImportNames) const { |
| 482 | for (const auto& name : mImportedNames) { |
| 483 | allImportNames->insert(name); |
Steven Moreland | c59326e | 2017-06-20 15:19:30 -0700 | [diff] [blame] | 484 | AST* ast = mCoordinator->parse(name, nullptr /* imported */, Coordinator::Enforce::NONE); |
Zhuoyao Zhang | c4e1060 | 2017-01-27 16:48:05 -0800 | [diff] [blame] | 485 | ast->getAllImportedNames(allImportNames); |
| 486 | } |
| 487 | } |
| 488 | |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 489 | bool AST::isJavaCompatible() const { |
Steven Moreland | 19f11b5 | 2017-05-12 18:22:21 -0700 | [diff] [blame] | 490 | if (!AST::isInterface()) { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 491 | for (const auto* type : mRootScope.getSubTypes()) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 492 | if (!type->isJavaCompatible()) { |
| 493 | return false; |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | return true; |
| 498 | } |
| 499 | |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 500 | const Interface* iface = mRootScope.getInterface(); |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 501 | return iface->isJavaCompatible(); |
| 502 | } |
| 503 | |
Andreas Huber | 019d21d | 2016-10-03 12:59:47 -0700 | [diff] [blame] | 504 | void AST::appendToExportedTypesVector( |
| 505 | std::vector<const Type *> *exportedTypes) const { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 506 | mRootScope.appendToExportedTypesVector(exportedTypes); |
Andreas Huber | 019d21d | 2016-10-03 12:59:47 -0700 | [diff] [blame] | 507 | } |
| 508 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 509 | bool AST::isIBase() const { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 510 | Interface* iface = mRootScope.getInterface(); |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 511 | return iface != nullptr && iface->isIBase(); |
| 512 | } |
| 513 | |
Yifan Hong | 78b38d1 | 2017-02-13 18:14:46 +0000 | [diff] [blame] | 514 | const Interface *AST::getInterface() const { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 515 | return mRootScope.getInterface(); |
Yifan Hong | 78b38d1 | 2017-02-13 18:14:46 +0000 | [diff] [blame] | 516 | } |
| 517 | |
Steven Moreland | 19f11b5 | 2017-05-12 18:22:21 -0700 | [diff] [blame] | 518 | std::string AST::getBaseName() const { |
Timur Iskhakov | cb0ba52 | 2017-07-17 20:01:37 -0700 | [diff] [blame] | 519 | const Interface* iface = mRootScope.getInterface(); |
Steven Moreland | 19f11b5 | 2017-05-12 18:22:21 -0700 | [diff] [blame] | 520 | |
| 521 | return iface ? iface->getBaseName() : "types"; |
| 522 | } |
| 523 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 524 | } // namespace android; |