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/*
* 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 "CompositeDeclaration.h"
#include "FunctionDeclaration.h"
#include "VarDeclaration.h"
#include "Declaration.h"
#include <algorithm>
#include <iostream>
#include <string>
namespace android {
CompositeDeclaration::CompositeDeclaration(
const Type::Qualifier::Qualification qualifier,
const std::string &name,
std::vector<android::Declaration *> *fieldDeclarations)
: Declaration(""),
mQualifier(qualifier),
mFieldDeclarations(fieldDeclarations)
{
setName(name);
}
CompositeDeclaration::~CompositeDeclaration() {
if(mFieldDeclarations != nullptr) {
for(auto* decl : *mFieldDeclarations) {
delete decl;
}
}
delete mFieldDeclarations;
}
void CompositeDeclaration::setName(const std::string &name) {
Declaration::setName(name);
forcePascalCase();
}
const Type::Qualifier::Qualification &CompositeDeclaration::getQualifier() const {
return mQualifier;
}
const std::vector<android::Declaration *>*
CompositeDeclaration::getFieldDeclarations() const {
return mFieldDeclarations;
}
void CompositeDeclaration::generateInterface(Formatter &out) const {
generateCommentText(out);
out << "interface " << getInterfaceName() << " {\n\n";
generateBody(out);
out << "};\n";
}
void CompositeDeclaration::generateSource(Formatter &out) const {
CHECK(mQualifier == Type::Qualifier::STRUCT ||
mQualifier == Type::Qualifier::UNION ||
mQualifier == Type::Qualifier::ENUM);
out << Type::qualifierText(mQualifier) << " " << getName();
if (mQualifier == Type::Qualifier::ENUM) {
out << " : ";
if (mEnumTypeName.empty()) {
out << "int32_t /* NOTE: type is guessed */";
} else {
out << mEnumTypeName;
}
}
out << " {\n";
generateBody(out);
out << "};\n";
}
void CompositeDeclaration::generateBody(Formatter &out) const {
out.indent();
for (auto *declaration : *mFieldDeclarations) {
declaration->generateCommentText(out);
declaration->generateSource(out);
out << "\n";
}
out.unindent();
}
void CompositeDeclaration::processContents(AST &ast) {
for (auto &declaration : *mFieldDeclarations) {
declaration->processContents(ast);
}
if (isInterface()) {
// move non function fields into a containing struct
auto nonFpDecs = new std::vector<Declaration*>;
auto it = mFieldDeclarations->begin();
while (it != mFieldDeclarations->end()) {
if((*it)->decType() != FunctionDeclaration::type()) {
bool keep = true;
if((*it)->decType() == VarDeclaration::type()) {
VarDeclaration* var = (VarDeclaration *)(*it);
// Conventional HALs were all required to have
// a member of this type.
// This member is no longer needed for HIDL
if(var->getType()->isHwDevice()) {
keep = false;
}
}
if (keep) {
nonFpDecs->push_back(*it);
}
it = mFieldDeclarations->erase(it);
} else {
it++;
}
}
if (!nonFpDecs->empty()) {
auto subStruct = new CompositeDeclaration(Type::Qualifier::STRUCT,
getName(),
nonFpDecs);
mFieldDeclarations->insert(mFieldDeclarations->begin(), subStruct);
}
}
}
std::string CompositeDeclaration::getInterfaceName() const {
return "I" + getName();
}
bool CompositeDeclaration::isInterface() const {
if (mQualifier != Type::Qualifier::STRUCT) {
return false;
}
for (auto &declaration : *mFieldDeclarations) {
if (declaration->decType() == FunctionDeclaration::type()) {
return true;
}
}
return false;
}
void CompositeDeclaration::setEnumTypeName(const std::string &name) {
CHECK(mQualifier == Type::Qualifier::ENUM);
mEnumTypeName = name;
}
} //namespace android
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