294 lines
8.4 KiB
C++
294 lines
8.4 KiB
C++
/*
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* CodeProbe.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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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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#include "flow/CodeProbe.h"
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#include "flow/CodeProbeUtils.h"
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#include "flow/Arena.h"
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#include "flow/network.h"
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#include <map>
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#include <fmt/format.h>
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#include <boost/core/demangle.hpp>
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#include <boost/unordered_map.hpp>
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#include <typeinfo>
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namespace probe {
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namespace {
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std::vector<ExecutionContext> fromStrings(std::vector<std::string> const& ctxs) {
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std::vector<ExecutionContext> res;
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for (auto const& ctx : ctxs) {
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std::string c;
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c.reserve(ctx.size());
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std::transform(ctx.begin(), ctx.end(), std::back_inserter(c), [](char c) { return std::tolower(c); });
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if (c == "all") {
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res.push_back(ExecutionContext::Net2);
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res.push_back(ExecutionContext::Simulation);
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} else if (c == "simulation") {
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res.push_back(ExecutionContext::Simulation);
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} else if (c == "net2") {
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res.push_back(ExecutionContext::Net2);
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} else {
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throw invalid_option_value();
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}
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}
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std::sort(res.begin(), res.end());
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res.erase(std::unique(res.begin(), res.end()), res.end());
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return res;
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}
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std::string_view normalizePath(const char* path) {
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std::string_view srcBase(FDB_SOURCE_DIR);
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std::string_view binBase(FDB_SOURCE_DIR);
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std::string_view filename(path);
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if (srcBase.size() < filename.size() && filename.substr(0, srcBase.size()) == srcBase) {
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filename.remove_prefix(srcBase.size());
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} else if (binBase.size() < filename.size() && filename.substr(0, binBase.size()) == binBase) {
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filename.remove_prefix(binBase.size());
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}
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if (filename[0] == '/') {
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filename.remove_prefix(1);
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}
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return filename;
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}
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struct CodeProbes {
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struct Location {
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std::string_view file;
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unsigned line;
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Location(std::string_view file, unsigned line) : file(file), line(line) {}
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bool operator==(Location const& rhs) const { return line == rhs.line && file == rhs.file; }
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bool operator!=(Location const& rhs) const { return line != rhs.line && file != rhs.file; }
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bool operator<(Location const& rhs) const {
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if (file < rhs.file) {
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return true;
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} else if (file == rhs.file) {
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return line < rhs.line;
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} else {
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return false;
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}
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}
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bool operator<=(Location const& rhs) const {
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if (file < rhs.file) {
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return true;
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} else if (file == rhs.file) {
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return line <= rhs.line;
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} else {
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return false;
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}
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}
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bool operator>(Location const& rhs) const { return rhs < *this; }
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bool operator>=(Location const& rhs) const { return rhs <= *this; }
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};
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std::multimap<Location, ICodeProbe const*> codeProbes;
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void traceMissedProbes(Optional<ExecutionContext> context) const;
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void add(ICodeProbe const* probe) {
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Location loc(probe->filename(), probe->line());
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codeProbes.emplace(loc, probe);
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}
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static CodeProbes& instance() {
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static CodeProbes probes;
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return probes;
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}
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void verify() const {
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std::map<std::pair<std::string_view, std::string_view>, ICodeProbe const*> comments;
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for (auto probe : codeProbes) {
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auto file = probe.first.file;
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auto comment = probe.second->comment();
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auto commentEntry = std::make_pair(file, std::string_view(comment));
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ASSERT(file == probe.second->filename());
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auto iter = comments.find(commentEntry);
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if (iter != comments.end() && probe.second->line() != iter->second->line()) {
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fmt::print("ERROR ({}:{}): {} isn't unique in file {}. Previously seen here: {}:{}\n",
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probe.first.file,
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probe.first.line,
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iter->first.second,
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probe.second->filename(),
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iter->second->filename(),
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iter->second->line());
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// ICodeProbe const& fst = *iter->second;
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// ICodeProbe const& snd = *probe.second;
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// fmt::print("\t1st Type: {}\n", boost::core::demangle(typeid(fst).name()));
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// fmt::print("\t2nd Type: {}\n", boost::core::demangle(typeid(snd).name()));
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// fmt::print("\n");
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// fmt::print("\t1st Comment: {}\n", fst.comment());
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// fmt::print("\t2nd Comment: {}\n", snd.comment());
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// fmt::print("\n");
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// fmt::print("\t1st CompUnit: {}\n", fst.compilationUnit());
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// fmt::print("\t2nd CompUnit: {}\n", snd.compilationUnit());
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// fmt::print("\n");
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} else {
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comments.emplace(commentEntry, probe.second);
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}
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}
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}
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void printXML() const {
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verify();
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fmt::print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
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fmt::print("<CoverageTool>\n");
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if (codeProbes.empty()) {
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fmt::print("\t<CoverageCases/>\n");
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fmt::print("\t<Inputs/>\n");
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} else {
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std::vector<std::string_view> files;
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fmt::print("\t<CoverageCases>\n");
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for (auto probe : codeProbes) {
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files.push_back(probe.first.file);
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fmt::print("\t\t<Case File=\"{}\" Line=\"{}\" Comment=\"{}\" Condition=\"{}\"/>\n",
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probe.first.file,
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probe.first.line,
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probe.second->comment(),
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probe.second->condition());
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}
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fmt::print("\t</CoverageCases>\n");
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fmt::print("\t<Inputs>\n");
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for (auto const& f : files) {
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fmt::print("\t\t<Input>{}</Input>\n", f);
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}
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fmt::print("\t</Inputs>\n");
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}
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fmt::print("</CoverageTool>\n");
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}
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void printJSON(std::vector<std::string> const& context = std::vector<std::string>()) const {
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verify();
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do {
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struct foo {};
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foo f;
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fmt::print("{}\n", boost::core::demangle(typeid(f).name()));
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} while (false);
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do {
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struct foo {};
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foo f;
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fmt::print("{}\n", boost::core::demangle(typeid(f).name()));
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} while (false);
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auto contexts = fromStrings(context);
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const ICodeProbe* prev = nullptr;
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for (auto probe : codeProbes) {
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auto p = probe.second;
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if (!contexts.empty()) {
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bool print = false;
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for (auto c : contexts) {
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print = print || p->expectInContext(c);
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}
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if (!print) {
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continue;
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}
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}
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if (prev == nullptr || *prev != *probe.second) {
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fmt::print(
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"{{ \"File\": \"{}\", \"Line\": {}, \"Comment\": \"{}\", \"Condition\": \"{}\", \"Function\": "
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"\"{}\" }}\n",
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probe.first.file,
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p->line(),
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p->comment(),
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p->condition(),
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p->function());
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}
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prev = probe.second;
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}
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}
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};
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size_t hash_value(CodeProbes::Location const& location) {
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size_t seed = 0;
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boost::hash_combine(seed, location.file);
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boost::hash_combine(seed, location.line);
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return seed;
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}
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void CodeProbes::traceMissedProbes(Optional<ExecutionContext> context) const {
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boost::unordered_map<Location, bool> locations;
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for (auto probe : codeProbes) {
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decltype(locations.begin()) iter;
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std::tie(iter, std::ignore) = locations.emplace(probe.first, false);
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iter->second = iter->second || probe.second->wasHit();
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}
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for (auto probe : codeProbes) {
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auto iter = locations.find(probe.first);
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ASSERT(iter != locations.end());
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if (!iter->second) {
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iter->second = true;
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probe.second->trace(false);
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}
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}
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}
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} // namespace
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std::string functionNameFromInnerType(const char* name) {
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auto res = boost::core::demangle(name);
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auto pos = res.find_last_of(':');
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ASSERT(pos != res.npos);
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return res.substr(0, pos - 1);
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}
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void registerProbe(const ICodeProbe& probe) {
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CodeProbes::instance().add(&probe);
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}
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void traceMissedProbes(Optional<ExecutionContext> context) {
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CodeProbes::instance().traceMissedProbes(context);
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}
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ICodeProbe::~ICodeProbe() {}
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bool ICodeProbe::operator==(const ICodeProbe& other) const {
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return filename() == other.filename() && line() == other.line();
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}
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bool ICodeProbe::operator!=(const ICodeProbe& other) const {
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return !(*this == other);
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}
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std::string_view ICodeProbe::filename() const {
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return normalizePath(filePath());
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}
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void ICodeProbe::printProbesXML() {
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CodeProbes::instance().printXML();
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}
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void ICodeProbe::printProbesJSON(std::vector<std::string> const& ctxs) {
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CodeProbes::instance().printJSON(ctxs);
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}
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// annotations
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namespace assert {
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bool NoSim::operator()(ICodeProbe* self) const {
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return !g_network->isSimulated();
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}
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bool SimOnly::operator()(ICodeProbe* self) const {
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return g_network->isSimulated();
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}
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} // namespace assert
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} // namespace probe
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