2014-10-30 21:52:15 +00:00
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/*
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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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2015-01-09 06:39:30 +00:00
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* @author Gav Wood <g@ethdev.com>
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2014-10-30 21:52:15 +00:00
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* @date 2014
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* Full-stack compiler that converts a source code string to bytecode.
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*/
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#pragma once
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2014-11-11 16:41:48 +00:00
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#include <ostream>
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2014-10-30 21:52:15 +00:00
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#include <string>
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#include <memory>
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#include <boost/noncopyable.hpp>
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2014-10-30 21:52:15 +00:00
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#include <libdevcore/Common.h>
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#include <libdevcore/FixedHash.h>
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2014-10-30 21:52:15 +00:00
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namespace dev {
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namespace solidity {
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2014-11-20 17:33:23 +00:00
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// forward declarations
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class Scanner;
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class ContractDefinition;
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class SourceUnit;
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class Compiler;
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class GlobalContext;
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class InterfaceHandler;
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2014-12-05 14:50:39 +00:00
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enum class DocumentationType: uint8_t
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{
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NATSPEC_USER = 1,
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NATSPEC_DEV,
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ABI_INTERFACE,
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ABI_SOLIDITY_INTERFACE
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};
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2015-01-25 01:42:49 +00:00
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extern const std::map<std::string, std::string> StandardSources;
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2014-11-11 16:41:48 +00:00
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/**
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* Easy to use and self-contained Solidity compiler with as few header dependencies as possible.
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* It holds state and can be used to either step through the compilation stages (and abort e.g.
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* before compilation to bytecode) or run the whole compilation in one call.
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*/
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class CompilerStack: boost::noncopyable
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{
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public:
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CompilerStack(): m_parseSuccessful(false) {}
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/// Adds a source object (e.g. file) to the parser. After this, parse has to be called again.
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/// @returns true if a source object by the name already existed and was replaced.
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void addSources(std::map<std::string, std::string> const& _nameContents) { for (auto const& i: _nameContents) addSource(i.first, i.second); }
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bool addSource(std::string const& _name, std::string const& _content);
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void setSource(std::string const& _sourceCode);
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/// Parses all source units that were added
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void parse();
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/// Sets the given source code as the only source unit and parses it.
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void parse(std::string const& _sourceCode);
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/// Returns a list of the contract names in the sources.
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std::vector<std::string> getContractNames() const;
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2014-12-05 14:35:05 +00:00
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/// Compiles the source units that were previously added and parsed.
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void compile(bool _optimize = false);
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/// Parses and compiles the given source code.
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/// @returns the compiled bytecode
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bytes const& compile(std::string const& _sourceCode, bool _optimize = false);
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/// @returns the assembled bytecode for a contract.
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bytes const& getBytecode(std::string const& _contractName = "") const;
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/// @returns the runtime bytecode for the contract, i.e. the code that is returned by the constructor.
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bytes const& getRuntimeBytecode(std::string const& _contractName = "") const;
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/// @returns hash of the runtime bytecode for the contract, i.e. the code that is returned by the constructor.
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dev::h256 getContractCodeHash(std::string const& _contractName = "") const;
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/// Streams a verbose version of the assembly to @a _outStream.
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/// Prerequisite: Successful compilation.
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void streamAssembly(std::ostream& _outStream, std::string const& _contractName = "") const;
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/// Returns a string representing the contract interface in JSON.
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/// Prerequisite: Successful call to parse or compile.
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std::string const& getInterface(std::string const& _contractName = "") const;
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/// Returns a string representing the contract interface in Solidity.
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/// Prerequisite: Successful call to parse or compile.
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std::string const& getSolidityInterface(std::string const& _contractName = "") const;
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/// Returns a string representing the contract's documentation in JSON.
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/// Prerequisite: Successful call to parse or compile.
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/// @param type The type of the documentation to get.
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/// Can be one of 4 types defined at @c DocumentationType
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std::string const& getMetadata(std::string const& _contractName, DocumentationType _type) const;
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/// @returns the previously used scanner, useful for counting lines during error reporting.
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Scanner const& getScanner(std::string const& _sourceName = "") const;
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/// @returns the parsed source unit with the supplied name.
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SourceUnit const& getAST(std::string const& _sourceName = "") const;
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/// @returns the parsed contract with the supplied name. Throws an exception if the contract
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/// does not exist.
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ContractDefinition const& getContractDefinition(std::string const& _contractName) const;
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/// Compile the given @a _sourceCode to bytecode. If a scanner is provided, it is used for
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/// scanning the source code - this is useful for printing exception information.
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static bytes staticCompile(std::string const& _sourceCode, bool _optimize = false);
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private:
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/**
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* Information pertaining to one source unit, filled gradually during parsing and compilation.
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*/
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struct Source
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{
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std::shared_ptr<Scanner> scanner;
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std::shared_ptr<SourceUnit> ast;
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std::string interface;
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void reset() { scanner.reset(); ast.reset(); interface.clear(); }
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};
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struct Contract
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{
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ContractDefinition const* contract = nullptr;
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std::shared_ptr<Compiler> compiler;
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bytes bytecode;
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bytes runtimeBytecode;
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std::shared_ptr<InterfaceHandler> interfaceHandler;
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mutable std::unique_ptr<std::string const> interface;
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mutable std::unique_ptr<std::string const> solidityInterface;
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mutable std::unique_ptr<std::string const> userDocumentation;
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mutable std::unique_ptr<std::string const> devDocumentation;
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Contract();
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};
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2015-01-21 19:31:14 +00:00
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/// Expand source code with preprocessor-like includes.
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/// @todo Replace with better framework.
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std::string expanded(std::string const& _sourceCode);
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2014-12-03 16:45:12 +00:00
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void reset(bool _keepSources = false);
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void resolveImports();
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2014-12-06 01:39:58 +00:00
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Contract const& getContract(std::string const& _contractName = "") const;
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Source const& getSource(std::string const& _sourceName = "") const;
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bool m_parseSuccessful;
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std::map<std::string const, Source> m_sources;
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std::shared_ptr<GlobalContext> m_globalContext;
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std::vector<Source const*> m_sourceOrder;
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std::map<std::string const, Contract> m_contracts;
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};
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}
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}
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