blob: fe71487142cfe7b741da7b089019c5c61e066b88 [file] [log] [blame]
/*
* 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 {
std::set<AST *> allImportedASTs;
return emitVtsTypeDeclarationsHelper(out, &allImportedASTs);
}
status_t AST::emitVtsTypeDeclarationsHelper(
Formatter &out,
std::set<AST *> *allImportSet) const {
// First, generate vts type declaration for all imported AST.
for (const auto &ast : mImportedASTs) {
// Already processed, skip.
if (allImportSet->find(ast) != allImportSet->end()) {
continue;
}
allImportSet->insert(ast);
std::string ifaceName;
// We only care about types.hal.
if (!ast->isInterface(&ifaceName)) {
status_t status = ast->emitVtsTypeDeclarationsHelper(
out, allImportSet);
if (status != OK) {
return status;
}
}
}
// Next, generate vts type declaration for the current AST.
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 path = outputPath;
path.append(mCoordinator->convertPackageRootToPath(mPackage));
path.append(mCoordinator->getPackagePath(mPackage, true /* relative */));
std::string ifaceName;
std::string baseName;
bool isInterface = true;
if (!AST::isInterface(&ifaceName)) {
baseName = "types";
isInterface = false;
} else {
baseName = ifaceName.substr(1); // cut off the leading 'I'.
}
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().substr(1) << "\n";
out << "component_name: \""
<< (isInterface ? ifaceName : "types")
<< "\"\n\n";
out << "package: \"" << mPackage.package() << "\"\n\n";
for (const auto &item : mImportedNames) {
out << "import: \"" << item.string() << "\"\n";
}
out << "\n";
if (isInterface) {
const Interface *iface = mRootScope->getInterface();
out << "interface: {\n";
out.indent();
std::vector<const Interface *> chain;
while (iface != NULL) {
chain.push_back(iface);
iface = iface->superType();
}
// Generate all the attribute declarations first.
for (auto it = chain.rbegin(); it != chain.rend(); ++it) {
const Interface *superInterface = *it;
status_t status = superInterface->emitVtsAttributeDeclaration(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