catch2/include/internal/catch_message.cpp

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/*
* Created by Phil Nash on 1/2/2013.
* Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#include "catch_message.h"
#include "catch_interfaces_capture.h"
#include "catch_uncaught_exceptions.h"
#include "catch_enforce.h"
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#include <cassert>
#include <stack>
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namespace Catch {
MessageInfo::MessageInfo( StringRef const& _macroName,
SourceLineInfo const& _lineInfo,
ResultWas::OfType _type )
: macroName( _macroName ),
lineInfo( _lineInfo ),
type( _type ),
sequence( ++globalCount )
{}
bool MessageInfo::operator==( MessageInfo const& other ) const {
return sequence == other.sequence;
}
bool MessageInfo::operator<( MessageInfo const& other ) const {
return sequence < other.sequence;
}
// This may need protecting if threading support is added
unsigned int MessageInfo::globalCount = 0;
////////////////////////////////////////////////////////////////////////////
Catch::MessageBuilder::MessageBuilder( StringRef const& macroName,
SourceLineInfo const& lineInfo,
ResultWas::OfType type )
:m_info(macroName, lineInfo, type) {}
////////////////////////////////////////////////////////////////////////////
ScopedMessage::ScopedMessage( MessageBuilder const& builder )
: m_info( builder.m_info ), m_moved()
{
m_info.message = builder.m_stream.str();
getResultCapture().pushScopedMessage( m_info );
}
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ScopedMessage::ScopedMessage( ScopedMessage&& old )
: m_info( old.m_info ), m_moved()
{
old.m_moved = true;
}
ScopedMessage::~ScopedMessage() {
if ( !uncaught_exceptions() && !m_moved ){
getResultCapture().popScopedMessage(m_info);
}
}
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Capturer::Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names ) {
auto trimmed = [&] (size_t start, size_t end) {
while (names[start] == ',' || isspace(names[start])) {
++start;
}
while (names[end] == ',' || isspace(names[end])) {
--end;
}
return names.substr(start, end - start + 1);
};
auto skipq = [&] (size_t start, char quote) {
for (auto i = start + 1; i < names.size() ; ++i) {
if (names[i] == quote)
return i;
if (names[i] == '\\')
++i;
}
CATCH_INTERNAL_ERROR("CAPTURE parsing encountered unmatched parentheses");
};
size_t start = 0;
std::stack<char> openings;
for (size_t pos = 0; pos < names.size(); ++pos) {
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char c = names[pos];
switch (c) {
case '[':
case '{':
case '(':
// It is basically impossible to disambiguate between
// comparison and start of template args in this context
// case '<':
openings.push(c);
break;
case ']':
case '}':
case ')':
// case '>':
openings.pop();
break;
case '"':
case '\'':
pos = skipq(pos, c);
break;
case ',':
if (start != pos && openings.size() == 0) {
m_messages.emplace_back(macroName, lineInfo, resultType);
m_messages.back().message = trimmed(start, pos);
m_messages.back().message += " := ";
start = pos;
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}
}
}
assert(openings.size() == 0 && "Mismatched openings");
m_messages.emplace_back(macroName, lineInfo, resultType);
m_messages.back().message = trimmed(start, names.size() - 1);
m_messages.back().message += " := ";
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}
Capturer::~Capturer() {
if ( !uncaught_exceptions() ){
assert( m_captured == m_messages.size() );
for( size_t i = 0; i < m_captured; ++i )
m_resultCapture.popScopedMessage( m_messages[i] );
}
}
void Capturer::captureValue( size_t index, std::string const& value ) {
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assert( index < m_messages.size() );
m_messages[index].message += value;
m_resultCapture.pushScopedMessage( m_messages[index] );
m_captured++;
}
} // end namespace Catch