Martin Hořeňovský
582200a1f8
This builds on the existing work to make assertion thread safe, by adding an extra synchronization point in the holder of `ReusableStringStream`'s stream instances, as those are used to build the messages, and finishing the move of message scope holders to be thread-local.
117 lines
3.9 KiB
C++
117 lines
3.9 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#include <catch2/catch_message.hpp>
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#include <catch2/interfaces/catch_interfaces_capture.hpp>
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#include <catch2/internal/catch_enforce.hpp>
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#include <catch2/internal/catch_move_and_forward.hpp>
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#include <cassert>
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#include <stack>
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namespace Catch {
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////////////////////////////////////////////////////////////////////////////
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ScopedMessage::ScopedMessage( MessageBuilder&& builder ):
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m_info( CATCH_MOVE(builder.m_info) ) {
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m_info.message = builder.m_stream.str();
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getResultCapture().pushScopedMessage( m_info );
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}
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ScopedMessage::ScopedMessage( ScopedMessage&& old ) noexcept:
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m_info( CATCH_MOVE( old.m_info ) ) {
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old.m_moved = true;
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}
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ScopedMessage::~ScopedMessage() {
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if ( !m_moved ){
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getResultCapture().popScopedMessage(m_info);
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}
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}
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Capturer::Capturer( StringRef macroName,
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SourceLineInfo const& lineInfo,
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ResultWas::OfType resultType,
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StringRef names ):
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m_resultCapture( getResultCapture() ) {
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auto trimmed = [&] (size_t start, size_t end) {
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while (names[start] == ',' || isspace(static_cast<unsigned char>(names[start]))) {
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++start;
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}
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while (names[end] == ',' || isspace(static_cast<unsigned char>(names[end]))) {
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--end;
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}
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return names.substr(start, end - start + 1);
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};
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auto skipq = [&] (size_t start, char quote) {
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for (auto i = start + 1; i < names.size() ; ++i) {
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if (names[i] == quote)
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return i;
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if (names[i] == '\\')
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++i;
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}
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CATCH_INTERNAL_ERROR("CAPTURE parsing encountered unmatched quote");
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};
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size_t start = 0;
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std::stack<char> openings;
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for (size_t pos = 0; pos < names.size(); ++pos) {
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char c = names[pos];
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switch (c) {
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case '[':
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case '{':
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case '(':
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// It is basically impossible to disambiguate between
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// comparison and start of template args in this context
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// case '<':
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openings.push(c);
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break;
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case ']':
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case '}':
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case ')':
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// case '>':
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openings.pop();
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break;
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case '"':
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case '\'':
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pos = skipq(pos, c);
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break;
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case ',':
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if (start != pos && openings.empty()) {
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m_messages.emplace_back(macroName, lineInfo, resultType);
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m_messages.back().message = static_cast<std::string>(trimmed(start, pos));
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m_messages.back().message += " := ";
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start = pos;
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}
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break;
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default:; // noop
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}
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}
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assert(openings.empty() && "Mismatched openings");
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m_messages.emplace_back(macroName, lineInfo, resultType);
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m_messages.back().message = static_cast<std::string>(trimmed(start, names.size() - 1));
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m_messages.back().message += " := ";
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}
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Capturer::~Capturer() {
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assert( m_captured == m_messages.size() );
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for ( size_t i = 0; i < m_captured; ++i ) {
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m_resultCapture.popScopedMessage( m_messages[i] );
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}
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}
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void Capturer::captureValue( size_t index, std::string const& value ) {
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assert( index < m_messages.size() );
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m_messages[index].message += value;
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m_resultCapture.pushScopedMessage( m_messages[index] );
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m_captured++;
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}
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} // end namespace Catch
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