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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
10647b70a4
Just opening files in vscode and seeing what clangd flags. Some edits to ostream.h to stop it from getting flagged (the usage pattern means it's not always obviously used).
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "common/check_internal.h"
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#include "llvm/Support/Signals.h"
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namespace Carbon::Internal {
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// Prints the buffered message.
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auto PrintAfterStackTrace(void* str) -> void {
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llvm::errs() << reinterpret_cast<char*>(str);
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}
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ExitingStream::~ExitingStream() {
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llvm_unreachable(
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"Exiting streams should only be constructed by check.h macros that "
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"ensure the special operator| exits the program prior to their "
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"destruction!");
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}
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auto ExitingStream::Done() -> void {
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buffer_ << "\n";
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// Register another signal handler to print the buffered message. This is
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// because we want it at the bottom of output, after LLVM's builtin stack
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// output, rather than the top.
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llvm::sys::AddSignalHandler(PrintAfterStackTrace,
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const_cast<char*>(buffer_str_.c_str()));
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// It's useful to exit the program with `std::abort()` for integration with
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// debuggers and other tools. We also assume LLVM's exit handling is
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// installed, which will stack trace on `std::abort()`.
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std::abort();
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}
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} // namespace Carbon::Internal
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