C++入門書を書き始めて早数カ月、すでに文章量が「江添亮の詳説C++17」の半分近くに達しているが、まだようやくループを説明したところだ。 ループの章を一通り書き終えて、ついでに再帰によってループを実現する方法について軽く触れて章を閉じようと、以下のようなコードを書いた。 void hello() { std::cout << "hello\n"s ; hello() ; } すると何故かsegmentation faultを起こすではないか。GCCでもClangでも同じ挙動になる。なぜC++コンパイラーはこの程度の末尾再帰を最適化できないのだろうか。 不思議に思って以下のコードも試すと、こちらは問題なく末尾再帰の最適化が行われる。 void hello() { std::cout << "hello\n" ; hello() ; } 違いは文字列だ。今回の入門書では、初心者に簡単にするた
clang-tidy is a clang-based C++ “linter” tool. Its purpose is to provide an extensible framework for diagnosing and fixing typical programming errors, like style violations, interface misuse, or bugs that can be deduced via static analysis. clang-tidy is modular and provides a convenient interface for writing new checks. Using Clang-Tidy¶ clang-tidy is a LibTooling-based tool, and it’s easier to w
The Clang Static Analyzer is a source code analysis tool that finds bugs in C, C++, and Objective-C programs. The analyzer is 100% open source and is part of the Clang project. Like the rest of Clang, the analyzer is implemented as a C++ library that can be used by other tools and applications. To get started with the Clang Static Analyzer, visit the LLVM releases page for download and installatio
libFuzzer – a library for coverage-guided fuzz testing.¶ Introduction¶ LibFuzzer is an in-process, coverage-guided, evolutionary fuzzing engine. LibFuzzer is linked with the library under test, and feeds fuzzed inputs to the library via a specific fuzzing entrypoint (aka “target function”); the fuzzer then tracks which areas of the code are reached, and generates mutations on the corpus of input d
What is Cling Cling is an interactive C++ interpreter, built on the top of LLVM and Clang libraries. Its advantages over the standard interpreters are that it has command line prompt and uses just-in-time (JIT) compiler for compilation. Many of the developers (e.g. Mono in their project called CSharpRepl) of such kind of software applications name them interactive compilers. One of Cling’s main go
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