mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-11-09 21:24:14 +00:00
121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <cassert>
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#include <list>
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#include <memory>
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#include <string>
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#include <vector>
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struct irequest {
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irequest(std::string t, std::string f, std::string a) noexcept
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: type(std::move(t)), func(std::move(f)), arg(std::move(a)) {
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}
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const std::string type{}, func{}, arg{};
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[[nodiscard]] bool isReturnRetVal() const noexcept {
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return type == "return" && arg == "retval";
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}
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[[nodiscard]] const std::string toString() const {
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return type + ":" + func + ":" + arg;
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}
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};
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namespace std {
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template <>
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struct hash<irequest> {
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std::size_t operator()(const irequest& req) const noexcept {
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auto h = hash<std::string>();
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return h(req.type) ^ h(req.func) ^ h(req.arg);
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}
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};
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template <>
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struct equal_to<irequest> {
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bool operator()(const irequest& lhs, const irequest& rhs) const noexcept {
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return lhs.type == rhs.type && lhs.func == rhs.func && lhs.arg == rhs.arg;
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}
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};
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} // namespace std
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struct prequest {
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prequest(std::string t, std::string f, std::vector<std::string> as) noexcept
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: type(std::move(t)), func(std::move(f)), args(std::move(as)) {
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}
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const std::string type{}, func{};
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const std::vector<std::string> args{};
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[[nodiscard]] irequest getReqForArg(size_t idx = 0) const {
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if (type == "global")
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return {type, func, ""};
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assert(idx < args.size());
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return {type, func, args[idx]};
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}
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};
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class ParseData {
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private:
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using RequestVector = std::vector<prequest>;
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RequestVector reqs{};
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public:
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void addReq(std::string type, std::string func, std::list<std::string> args) {
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// Convert the args std::list into a more efficient std::vector
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reqs.emplace_back(std::move(type), std::move(func),
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std::vector(std::make_move_iterator(args.begin()),
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std::make_move_iterator(args.end())));
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}
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size_t numReqs() const noexcept {
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return reqs.size();
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}
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[[nodiscard]] const prequest& getReq(size_t idx = 0) const noexcept {
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assert(idx < reqs.size());
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return reqs[idx];
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}
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/* Delegate iterator to the RequestVector */
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using iterator = RequestVector::iterator;
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using const_iterator = RequestVector::const_iterator;
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iterator begin() noexcept {
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return reqs.begin();
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}
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const_iterator begin() const noexcept {
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return reqs.begin();
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}
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const_iterator cbegin() const noexcept {
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return reqs.begin();
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}
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iterator end() noexcept {
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return reqs.end();
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}
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const_iterator end() const noexcept {
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return reqs.end();
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}
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const_iterator cend() const noexcept {
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return reqs.end();
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}
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};
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