mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
167 lines
4.9 KiB
C++
167 lines
4.9 KiB
C++
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Solidity commandline compiler.
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*/
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#include <string>
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#include <iostream>
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#include <libdevcore/Common.h>
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#include <libdevcore/CommonData.h>
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#include <libdevcore/CommonIO.h>
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#include <libsolidity/Scanner.h>
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#include <libsolidity/Parser.h>
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#include <libsolidity/ASTPrinter.h>
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#include <libsolidity/NameAndTypeResolver.h>
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#include <libsolidity/Exceptions.h>
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#include <libsolidity/Compiler.h>
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#include <libsolidity/SourceReferenceFormatter.h>
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using namespace std;
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using namespace dev;
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using namespace solidity;
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void help()
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{
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cout << "Usage solc [OPTIONS] <file>" << endl
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<< "Options:" << endl
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<< " -h,--help Show this help message and exit." << endl
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<< " -V,--version Show the version and exit." << endl;
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exit(0);
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}
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void version()
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{
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cout << "solc, the solidity complier commandline interface " << dev::Version << endl
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<< " by Christian <c@ethdev.com>, (c) 2014." << endl
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<< "Build: " << DEV_QUOTED(ETH_BUILD_PLATFORM) << "/" << DEV_QUOTED(ETH_BUILD_TYPE) << endl;
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exit(0);
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}
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/// Helper class that extracts the first expression in an AST.
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class FirstExpressionExtractor: private ASTVisitor
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{
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public:
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FirstExpressionExtractor(ASTNode& _node): m_expression(nullptr) { _node.accept(*this); }
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Expression* getExpression() const { return m_expression; }
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private:
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virtual bool visit(Expression& _expression) override { return checkExpression(_expression); }
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virtual bool visit(Assignment& _expression) override { return checkExpression(_expression); }
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virtual bool visit(UnaryOperation& _expression) override { return checkExpression(_expression); }
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virtual bool visit(BinaryOperation& _expression) override { return checkExpression(_expression); }
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virtual bool visit(FunctionCall& _expression) override { return checkExpression(_expression); }
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virtual bool visit(MemberAccess& _expression) override { return checkExpression(_expression); }
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virtual bool visit(IndexAccess& _expression) override { return checkExpression(_expression); }
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virtual bool visit(PrimaryExpression& _expression) override { return checkExpression(_expression); }
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virtual bool visit(Identifier& _expression) override { return checkExpression(_expression); }
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virtual bool visit(ElementaryTypeNameExpression& _expression) override { return checkExpression(_expression); }
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virtual bool visit(Literal& _expression) override { return checkExpression(_expression); }
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bool checkExpression(Expression& _expression)
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{
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if (m_expression == nullptr)
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m_expression = &_expression;
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return false;
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}
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private:
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Expression* m_expression;
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};
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int main(int argc, char** argv)
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{
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string infile;
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for (int i = 1; i < argc; ++i)
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{
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string arg = argv[i];
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if (arg == "-h" || arg == "--help")
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help();
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else if (arg == "-V" || arg == "--version")
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version();
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else
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infile = argv[i];
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}
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string sourceCode;
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if (infile.empty())
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{
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string s;
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while (!cin.eof())
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{
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getline(cin, s);
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sourceCode.append(s);
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}
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}
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else
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sourceCode = asString(dev::contents(infile));
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ASTPointer<ContractDefinition> ast;
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shared_ptr<Scanner> scanner = make_shared<Scanner>(CharStream(sourceCode));
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Parser parser;
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try
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{
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ast = parser.parse(scanner);
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}
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catch (ParserError const& exception)
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{
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SourceReferenceFormatter::printExceptionInformation(cerr, exception, "Parser error", *scanner);
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return -1;
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}
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NameAndTypeResolver resolver;
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try
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{
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resolver.resolveNamesAndTypes(*ast.get());
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}
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catch (DeclarationError const& exception)
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{
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SourceReferenceFormatter::printExceptionInformation(cerr, exception, "Declaration error", *scanner);
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return -1;
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}
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catch (TypeError const& exception)
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{
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SourceReferenceFormatter::printExceptionInformation(cerr, exception, "Type error", *scanner);
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return -1;
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}
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cout << "Syntax tree for the contract:" << endl;
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dev::solidity::ASTPrinter printer(ast, sourceCode);
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printer.print(cout);
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FirstExpressionExtractor extractor(*ast);
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CompilerContext context;
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ExpressionCompiler compiler(context);
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try
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{
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compiler.compile(*extractor.getExpression());
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}
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catch (CompilerError const& exception)
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{
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SourceReferenceFormatter::printExceptionInformation(cerr, exception, "Compiler error", *scanner);
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return -1;
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}
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bytes instructions = compiler.getAssembledBytecode();
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cout << "Bytecode for the first expression: " << endl;
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cout << eth::disassemble(instructions) << endl;
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return 0;
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}
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