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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( void SourceReferenceFormatter::printSourceLocation(
ostream& _stream, ostream& _stream,
SourceLocation const& _location, SourceLocation const* _location,
Scanner const& _scanner 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 startLine;
int startColumn; int startColumn;
tie(startLine, startColumn) = _scanner.translatePositionToLineColumn(_location.start); tie(startLine, startColumn) = scanner.translatePositionToLineColumn(_location->start);
int endLine; int endLine;
int endColumn; int endColumn;
tie(endLine, endColumn) = _scanner.translatePositionToLineColumn(_location.end); tie(endLine, endColumn) = scanner.translatePositionToLineColumn(_location->end);
if (startLine == endLine) if (startLine == endLine)
{ {
string line = _scanner.lineAtPosition(_location.start); string line = scanner.lineAtPosition(_location->start);
_stream << line << endl; _stream << line << endl;
for_each( for_each(
line.cbegin(), line.cbegin(),
@ -61,7 +64,7 @@ void SourceReferenceFormatter::printSourceLocation(
} }
else else
_stream << _stream <<
_scanner.lineAtPosition(_location.start) << scanner.lineAtPosition(_location->start) <<
endl << endl <<
string(startColumn, ' ') << string(startColumn, ' ') <<
"^\n" << "^\n" <<
@ -70,14 +73,17 @@ void SourceReferenceFormatter::printSourceLocation(
void SourceReferenceFormatter::printSourceName( void SourceReferenceFormatter::printSourceName(
ostream& _stream, ostream& _stream,
SourceLocation const& _location, SourceLocation const* _location,
Scanner const& _scanner 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 startLine;
int startColumn; int startColumn;
tie(startLine, startColumn) = _scanner.translatePositionToLineColumn(_location.start); tie(startLine, startColumn) = scanner.translatePositionToLineColumn(_location->start);
_stream << *_location.sourceName << ":" << (startLine + 1) << ":" << (startColumn + 1) << ": "; _stream << *_location->sourceName << ":" << (startLine + 1) << ":" << (startColumn + 1) << ": ";
} }
void SourceReferenceFormatter::printExceptionInformation( void SourceReferenceFormatter::printExceptionInformation(
@ -89,38 +95,23 @@ void SourceReferenceFormatter::printExceptionInformation(
{ {
SourceLocation const* location = boost::get_error_info<errinfo_sourceLocation>(_exception); SourceLocation const* location = boost::get_error_info<errinfo_sourceLocation>(_exception);
auto secondarylocation = boost::get_error_info<errinfo_secondarySourceLocation>(_exception); auto secondarylocation = boost::get_error_info<errinfo_secondarySourceLocation>(_exception);
Scanner const* scannerPtr = nullptr;
if (location && location->sourceName) printSourceName(_stream, location, _scannerFromSourceName);
{
scannerPtr = &_scannerFromSourceName(*location->sourceName);
printSourceName(_stream, *location, *scannerPtr);
}
_stream << _name; _stream << _name;
if (string const* description = boost::get_error_info<errinfo_comment>(_exception)) if (string const* description = boost::get_error_info<errinfo_comment>(_exception))
_stream << ": " << *description << endl; _stream << ": " << *description << endl;
if (location && location->sourceName) printSourceLocation(_stream, location, _scannerFromSourceName);
{
scannerPtr = &_scannerFromSourceName(*location->sourceName);
printSourceLocation(_stream, *location, *scannerPtr);
}
if (secondarylocation && !secondarylocation->infos.empty()) if (secondarylocation && !secondarylocation->infos.empty())
{ {
for (auto info: secondarylocation->infos) for (auto info: secondarylocation->infos)
{ {
_stream << info.first << " "; _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; _stream << endl;
printSourceLocation(_stream, info.second, *scannerPtr); printSourceLocation(_stream, &info.second, _scannerFromSourceName);
} }
_stream << endl; _stream << endl;
} }

17
libsolidity/interface/SourceReferenceFormatter.h
View File

@ -40,15 +40,26 @@ class CompilerStack; // forward
struct SourceReferenceFormatter struct SourceReferenceFormatter
{ {
public: 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( static void printExceptionInformation(
std::ostream& _stream, std::ostream& _stream,
Exception const& _exception, Exception const& _exception,
std::string const& _name, std::string const& _name,
std::function<Scanner const&(std::string const&)> const& _scannerFromSourceName ScannerFromSourceNameFun const& _scannerFromSourceName
); );
private: 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())) if (first->first->location().intersects(second->first->location()))
{ {
BOOST_CHECK_MESSAGE(false, "Source locations should not overlap!"); BOOST_CHECK_MESSAGE(false, "Source locations should not overlap!");
SourceReferenceFormatter::printSourceLocation(cout, first->first->location(), m_compiler.scanner()); auto scannerFromSource = [&](string const&) -> Scanner const& { return m_compiler.scanner(); };
SourceReferenceFormatter::printSourceLocation(cout, second->first->location(), m_compiler.scanner()); SourceReferenceFormatter::printSourceLocation(cout, &first->first->location(), scannerFromSource);
SourceReferenceFormatter::printSourceLocation(cout, &second->first->location(), scannerFromSource);
} }
} }
} }