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Merge pull request #470 from chriseth/redundancy

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Remove code duplication in source references formatter.
This commit is contained in:
Bob Summerwill 2016-03-31 20:31:15 -03:00
commit c492d9be00
3 changed files with 37 additions and 34 deletions
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49
libsolidity/interface/SourceReferenceFormatter.cpp
View File

@ -33,19 +33,22 @@ namespace solidity
void SourceReferenceFormatter::printSourceLocation(
ostream& _stream,
SourceLocation const& _location,
Scanner const& _scanner
SourceLocation const* _location,
function<Scanner const&(string const&)> const& _scannerFromSourceName
)
{
if (!_location || !_location->sourceName)
return; // Nothing we can print here
auto const& scanner = _scannerFromSourceName(*_location->sourceName);
int startLine;
int startColumn;
tie(startLine, startColumn) = _scanner.translatePositionToLineColumn(_location.start);
tie(startLine, startColumn) = scanner.translatePositionToLineColumn(_location->start);
int endLine;
int endColumn;
tie(endLine, endColumn) = _scanner.translatePositionToLineColumn(_location.end);
tie(endLine, endColumn) = scanner.translatePositionToLineColumn(_location->end);
if (startLine == endLine)
{
string line = _scanner.lineAtPosition(_location.start);
string line = scanner.lineAtPosition(_location->start);
_stream << line << endl;
for_each(
line.cbegin(),
@ -61,7 +64,7 @@ void SourceReferenceFormatter::printSourceLocation(
}
else
_stream <<
_scanner.lineAtPosition(_location.start) <<
scanner.lineAtPosition(_location->start) <<
endl <<
string(startColumn, ' ') <<
"^\n" <<
@ -70,14 +73,17 @@ void SourceReferenceFormatter::printSourceLocation(
void SourceReferenceFormatter::printSourceName(
ostream& _stream,
SourceLocation const& _location,
Scanner const& _scanner
SourceLocation const* _location,
function<Scanner const&(string const&)> const& _scannerFromSourceName
)
{
if (!_location || !_location->sourceName)
return; // Nothing we can print here
auto const& scanner = _scannerFromSourceName(*_location->sourceName);
int startLine;
int startColumn;
tie(startLine, startColumn) = _scanner.translatePositionToLineColumn(_location.start);
_stream << *_location.sourceName << ":" << (startLine + 1) << ":" << (startColumn + 1) << ": ";
tie(startLine, startColumn) = scanner.translatePositionToLineColumn(_location->start);
_stream << *_location->sourceName << ":" << (startLine + 1) << ":" << (startColumn + 1) << ": ";
}
void SourceReferenceFormatter::printExceptionInformation(
@ -89,38 +95,23 @@ void SourceReferenceFormatter::printExceptionInformation(
{
SourceLocation const* location = boost::get_error_info<errinfo_sourceLocation>(_exception);
auto secondarylocation = boost::get_error_info<errinfo_secondarySourceLocation>(_exception);
Scanner const* scannerPtr = nullptr;
if (location && location->sourceName)
{
scannerPtr = &_scannerFromSourceName(*location->sourceName);
printSourceName(_stream, *location, *scannerPtr);
}
printSourceName(_stream, location, _scannerFromSourceName);
_stream << _name;
if (string const* description = boost::get_error_info<errinfo_comment>(_exception))
_stream << ": " << *description << endl;
if (location && location->sourceName)
{
scannerPtr = &_scannerFromSourceName(*location->sourceName);
printSourceLocation(_stream, *location, *scannerPtr);
}
printSourceLocation(_stream, location, _scannerFromSourceName);
if (secondarylocation && !secondarylocation->infos.empty())
{
for (auto info: secondarylocation->infos)
{
_stream << info.first << " ";
if (!info.second.sourceName)
{
printSourceName(_stream, &info.second, _scannerFromSourceName);
_stream << endl;
continue;
}
scannerPtr = &_scannerFromSourceName(*info.second.sourceName);
printSourceName(_stream, info.second, *scannerPtr);
_stream << endl;
printSourceLocation(_stream, info.second, *scannerPtr);
printSourceLocation(_stream, &info.second, _scannerFromSourceName);
}
_stream << endl;
}

17
libsolidity/interface/SourceReferenceFormatter.h
View File

@ -40,15 +40,26 @@ class CompilerStack; // forward
struct SourceReferenceFormatter
{
public:
static void printSourceLocation(std::ostream& _stream, SourceLocation const& _location, Scanner const& _scanner);
using ScannerFromSourceNameFun = std::function<Scanner const&(std::string const&)>;
/// Prints source location if it is given.
static void printSourceLocation(
std::ostream& _stream,
SourceLocation const* _location,
ScannerFromSourceNameFun const& _scannerFromSourceName
);
static void printExceptionInformation(
std::ostream& _stream,
Exception const& _exception,
std::string const& _name,
std::function<Scanner const&(std::string const&)> const& _scannerFromSourceName
ScannerFromSourceNameFun const& _scannerFromSourceName
);
private:
static void printSourceName(std::ostream& _stream, SourceLocation const& _location, Scanner const& _scanner);
/// Prints source name if location is given.
static void printSourceName(
std::ostream& _stream,
SourceLocation const* _location,
ScannerFromSourceNameFun const& _scannerFromSourceName
);
};
}

5
test/libsolidity/GasMeter.cpp
View File

@ -120,8 +120,9 @@ BOOST_AUTO_TEST_CASE(non_overlapping_filtered_costs)
if (first->first->location().intersects(second->first->location()))
{
BOOST_CHECK_MESSAGE(false, "Source locations should not overlap!");
SourceReferenceFormatter::printSourceLocation(cout, first->first->location(), m_compiler.scanner());
SourceReferenceFormatter::printSourceLocation(cout, second->first->location(), m_compiler.scanner());
auto scannerFromSource = [&](string const&) -> Scanner const& { return m_compiler.scanner(); };
SourceReferenceFormatter::printSourceLocation(cout, &first->first->location(), scannerFromSource);
SourceReferenceFormatter::printSourceLocation(cout, &second->first->location(), scannerFromSource);
}
}
}