upload android base code part6

android/system/tools/hidl/generateVts.cpp

@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AST.h"
+
+#include "Annotation.h"
+#include "Coordinator.h"
+#include "Interface.h"
+#include "Method.h"
+#include "Scope.h"
+
+#include <hidl-util/Formatter.h>
+#include <android-base/logging.h>
+#include <string>
+#include <vector>
+
+namespace android {
+
+status_t AST::emitVtsTypeDeclarations(Formatter &out) const {
+    if (AST::isInterface()) {
+        const Interface* iface = mRootScope.getInterface();
+        return iface->emitVtsAttributeDeclaration(out);
+    }
+
+    for (const auto& type : mRootScope.getSubTypes()) {
+        // Skip for TypeDef as it is just an alias of a defined type.
+        if (type->isTypeDef()) {
+            continue;
+        }
+        out << "attribute: {\n";
+        out.indent();
+        status_t status = type->emitVtsTypeDeclarations(out);
+        if (status != OK) {
+            return status;
+        }
+        out.unindent();
+        out << "}\n\n";
+    }
+
+    return OK;
+}
+
+status_t AST::generateVts(const std::string &outputPath) const {
+    std::string baseName = AST::getBaseName();
+    const Interface *iface = AST::getInterface();
+
+    std::string path = outputPath;
+    path.append(mCoordinator->convertPackageRootToPath(mPackage));
+    path.append(mCoordinator->getPackagePath(mPackage, true /* relative */));
+    path.append(baseName);
+    path.append(".vts");
+
+    CHECK(Coordinator::MakeParentHierarchy(path));
+    FILE *file = fopen(path.c_str(), "w");
+
+    if (file == NULL) {
+        return -errno;
+    }
+
+    Formatter out(file);
+
+    out << "component_class: HAL_HIDL\n";
+    out << "component_type_version: " << mPackage.version()
+        << "\n";
+    out << "component_name: \""
+        << (iface ? iface->localName() : "types")
+        << "\"\n\n";
+
+    out << "package: \"" << mPackage.package() << "\"\n\n";
+
+    // Generate import statement for all imported interface/types.
+    std::set<FQName> allImportedNames;
+    getAllImportedNames(&allImportedNames);
+    for (const auto &name : allImportedNames) {
+        // ignore IBase.
+        if (name != gIBaseFqName) {
+            out << "import: \"" << name.string() << "\"\n";
+        }
+    }
+
+    out << "\n";
+
+    if (isInterface()) {
+        const Interface* iface = mRootScope.getInterface();
+        out << "interface: {\n";
+        out.indent();
+
+        std::vector<const Interface *> chain = iface->typeChain();
+
+        // Generate all the attribute declarations first.
+        status_t status = emitVtsTypeDeclarations(out);
+        if (status != OK) {
+            return status;
+        }
+        // Generate all the method declarations.
+        for (auto it = chain.rbegin(); it != chain.rend(); ++it) {
+            const Interface *superInterface = *it;
+            status_t status = superInterface->emitVtsMethodDeclaration(out);
+            if (status != OK) {
+                return status;
+            }
+        }
+
+        out.unindent();
+        out << "}\n";
+    } else {
+        status_t status = emitVtsTypeDeclarations(out);
+        if (status != OK) {
+            return status;
+        }
+    }
+    return OK;
+}
+
+}  // namespace android