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#include <string>
#include <iostream>
#include <libdevcore/Common.h>
#include <libdevcore/CommonData.h>
#include <libdevcore/CommonIO.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/Parser.h>
#include <libsolidity/ASTPrinter.h>
#include <libsolidity/NameAndTypeResolver.h>
#include <libsolidity/Exceptions.h>
using namespace dev;
using namespace solidity;
void help()
{
std::cout
<< "Usage solc [OPTIONS] <file>" << std::endl
<< "Options:" << std::endl
<< " -h,--help Show this help message and exit." << std::endl
<< " -V,--version Show the version and exit." << std::endl;
exit(0);
}
void version()
{
std::cout
<< "solc, the solidity complier commandline interface " << dev::Version << std::endl
<< " by Christian <c@ethdev.com>, (c) 2014." << std::endl
<< "Build: " << DEV_QUOTED(ETH_BUILD_PLATFORM) << "/" << DEV_QUOTED(ETH_BUILD_TYPE) << std::endl;
exit(0);
}
void printSourcePart(std::ostream& _stream, Location const& _location, Scanner const& _scanner)
{
int startLine;
int startColumn;
std::tie(startLine, startColumn) = _scanner.translatePositionToLineColumn(_location.start);
_stream << " starting at line " << (startLine + 1) << ", column " << (startColumn + 1) << "\n";
int endLine;
int endColumn;
std::tie(endLine, endColumn) = _scanner.translatePositionToLineColumn(_location.end);
if (startLine == endLine)
{
_stream << _scanner.getLineAtPosition(_location.start) << "\n"
<< std::string(startColumn, ' ') << "^";
if (endColumn > startColumn + 2)
_stream << std::string(endColumn - startColumn - 2, '-');
if (endColumn > startColumn + 1)
_stream << "^";
_stream << "\n";
}
else
{
_stream << _scanner.getLineAtPosition(_location.start) << "\n"
<< std::string(startColumn, ' ') << "^\n"
<< "Spanning multiple lines.\n";
}
}
int main(int argc, char** argv)
{
std::string infile;
for (int i = 1; i < argc; ++i)
{
std::string arg = argv[i];
if (arg == "-h" || arg == "--help")
help();
else if (arg == "-V" || arg == "--version")
version();
else
infile = argv[i];
}
std::string sourceCode;
if (infile.empty())
{
std::string s;
while (!std::cin.eof())
{
getline(std::cin, s);
sourceCode.append(s);
}
}
else
sourceCode = asString(dev::contents(infile));
ASTPointer<ContractDefinition> ast;
std::shared_ptr<Scanner> scanner = std::make_shared<Scanner>(CharStream(sourceCode));
Parser parser;
try
{
ast = parser.parse(scanner);
}
catch (ParserError const& exc)
{
int line;
int column;
std::tie(line, column) = scanner->translatePositionToLineColumn(exc.getPosition());
std::cerr << exc.what() << " at line " << (line + 1) << ", column " << (column + 1) << std::endl;
std::cerr << scanner->getLineAtPosition(exc.getPosition()) << std::endl;
std::cerr << std::string(column, ' ') << "^" << std::endl;
return -1;
}
dev::solidity::NameAndTypeResolver resolver;
try
{
resolver.resolveNamesAndTypes(*ast.get());
}
catch (DeclarationError const& exc)
{
std::cerr << exc.what() << std::endl;
printSourcePart(std::cerr, exc.getLocation(), *scanner);
return -1;
}
catch (TypeError const& exc)
{
std::cerr << exc.what() << std::endl;
printSourcePart(std::cerr, exc.getLocation(), *scanner);
return -1;
}
std::cout << "Syntax tree for the contract:" << std::endl;
dev::solidity::ASTPrinter printer(ast, sourceCode);
printer.print(std::cout);
return 0;
}
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