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 17 #include "AST.h" 18 19 #include "Annotation.h" 20 #include "Coordinator.h" 21 #include "Interface.h" 22 #include "Method.h" 23 #include "Scope.h" 24 25 #include <hidl-util/Formatter.h> 26 #include <android-base/logging.h> 27 #include <string> 28 #include <vector> 29 30 namespace android { 31 emitVtsTypeDeclarations(Formatter & out) const32status_t AST::emitVtsTypeDeclarations(Formatter &out) const { 33 if (AST::isInterface()) { 34 const Interface* iface = mRootScope.getInterface(); 35 return iface->emitVtsAttributeDeclaration(out); 36 } 37 38 for (const auto& type : mRootScope.getSubTypes()) { 39 // Skip for TypeDef as it is just an alias of a defined type. 40 if (type->isTypeDef()) { 41 continue; 42 } 43 out << "attribute: {\n"; 44 out.indent(); 45 status_t status = type->emitVtsTypeDeclarations(out); 46 if (status != OK) { 47 return status; 48 } 49 out.unindent(); 50 out << "}\n\n"; 51 } 52 53 return OK; 54 } 55 generateVts(const std::string & outputPath) const56status_t AST::generateVts(const std::string &outputPath) const { 57 std::string baseName = AST::getBaseName(); 58 const Interface *iface = AST::getInterface(); 59 60 std::string path = outputPath; 61 path.append(mCoordinator->convertPackageRootToPath(mPackage)); 62 path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); 63 path.append(baseName); 64 path.append(".vts"); 65 66 CHECK(Coordinator::MakeParentHierarchy(path)); 67 FILE *file = fopen(path.c_str(), "w"); 68 69 if (file == NULL) { 70 return -errno; 71 } 72 73 Formatter out(file); 74 75 out << "component_class: HAL_HIDL\n"; 76 out << "component_type_version: " << mPackage.version() 77 << "\n"; 78 out << "component_name: \"" 79 << (iface ? iface->localName() : "types") 80 << "\"\n\n"; 81 82 out << "package: \"" << mPackage.package() << "\"\n\n"; 83 84 // Generate import statement for all imported interface/types. 85 std::set<FQName> allImportedNames; 86 getAllImportedNames(&allImportedNames); 87 for (const auto &name : allImportedNames) { 88 // ignore IBase. 89 if (name != gIBaseFqName) { 90 out << "import: \"" << name.string() << "\"\n"; 91 } 92 } 93 94 out << "\n"; 95 96 if (isInterface()) { 97 const Interface* iface = mRootScope.getInterface(); 98 out << "interface: {\n"; 99 out.indent(); 100 101 std::vector<const Interface *> chain = iface->typeChain(); 102 103 // Generate all the attribute declarations first. 104 status_t status = emitVtsTypeDeclarations(out); 105 if (status != OK) { 106 return status; 107 } 108 // Generate all the method declarations. 109 for (auto it = chain.rbegin(); it != chain.rend(); ++it) { 110 const Interface *superInterface = *it; 111 status_t status = superInterface->emitVtsMethodDeclaration(out); 112 if (status != OK) { 113 return status; 114 } 115 } 116 117 out.unindent(); 118 out << "}\n"; 119 } else { 120 status_t status = emitVtsTypeDeclarations(out); 121 if (status != OK) { 122 return status; 123 } 124 } 125 return OK; 126 } 127 128 } // namespace android 129