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authorLefteris Karapetsas <lefteris@refu.co>2015-08-19 20:57:25 +0800
committerLefteris Karapetsas <lefteris@refu.co>2015-08-19 20:57:25 +0800
commit1690f1c947b1b1bfaf84d0a586d2a56ffed11f37 (patch)
treecbf27ebb57b629ae7a4a10cc1342a359481de7d3 /src/Compiler.h
parent2f41438715137e7f123481b2ca8e163a4d35bd78 (diff)
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Add CMakeLists.txt for libsolidity
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-/*
- This file is part of cpp-ethereum.
-
- cpp-ethereum is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- cpp-ethereum is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * @author Christian <c@ethdev.com>
- * @date 2014
- * Solidity AST to EVM bytecode compiler.
- */
-
-#pragma once
-
-#include <ostream>
-#include <functional>
-#include <libsolidity/ASTVisitor.h>
-#include <libsolidity/CompilerContext.h>
-#include <libevmasm/Assembly.h>
-
-namespace dev {
-namespace solidity {
-
-class Compiler: private ASTConstVisitor
-{
-public:
- explicit Compiler(bool _optimize = false, unsigned _runs = 200):
- m_optimize(_optimize),
- m_optimizeRuns(_runs),
- m_context(),
- m_returnTag(m_context.newTag())
- {
- }
-
- void compileContract(ContractDefinition const& _contract,
- std::map<ContractDefinition const*, bytes const*> const& _contracts);
- /// Compiles a contract that uses CALLCODE to call into a pre-deployed version of the given
- /// contract at runtime, but contains the full creation-time code.
- void compileClone(
- ContractDefinition const& _contract,
- std::map<ContractDefinition const*, bytes const*> const& _contracts
- );
- bytes getAssembledBytecode() { return m_context.getAssembledBytecode(); }
- bytes getRuntimeBytecode() { return m_context.getAssembledRuntimeBytecode(m_runtimeSub); }
- /// @arg _sourceCodes is the map of input files to source code strings
- /// @arg _inJsonFromat shows whether the out should be in Json format
- Json::Value streamAssembly(std::ostream& _stream, StringMap const& _sourceCodes = StringMap(), bool _inJsonFormat = false) const
- {
- return m_context.streamAssembly(_stream, _sourceCodes, _inJsonFormat);
- }
- /// @returns Assembly items of the normal compiler context
- eth::AssemblyItems const& getAssemblyItems() const { return m_context.getAssembly().getItems(); }
- /// @returns Assembly items of the runtime compiler context
- eth::AssemblyItems const& getRuntimeAssemblyItems() const { return m_context.getAssembly().getSub(m_runtimeSub).getItems(); }
-
- /// @returns the entry label of the given function. Might return an AssemblyItem of type
- /// UndefinedItem if it does not exist yet.
- eth::AssemblyItem getFunctionEntryLabel(FunctionDefinition const& _function) const;
-
-private:
- /// Registers the non-function objects inside the contract with the context.
- void initializeContext(ContractDefinition const& _contract,
- std::map<ContractDefinition const*, bytes const*> const& _contracts);
- /// Adds the code that is run at creation time. Should be run after exchanging the run-time context
- /// with a new and initialized context. Adds the constructor code.
- void packIntoContractCreator(ContractDefinition const& _contract, CompilerContext const& _runtimeContext);
- /// Appends state variable initialisation and constructor code.
- void appendInitAndConstructorCode(ContractDefinition const& _contract);
- void appendBaseConstructor(FunctionDefinition const& _constructor);
- void appendConstructor(FunctionDefinition const& _constructor);
- void appendFunctionSelector(ContractDefinition const& _contract);
- /// Creates code that unpacks the arguments for the given function represented by a vector of TypePointers.
- /// From memory if @a _fromMemory is true, otherwise from call data.
- /// Expects source offset on the stack.
- void appendCalldataUnpacker(
- TypePointers const& _typeParameters,
- bool _fromMemory = false,
- u256 _startOffset = u256(-1)
- );
- void appendReturnValuePacker(TypePointers const& _typeParameters);
-
- void registerStateVariables(ContractDefinition const& _contract);
- void initializeStateVariables(ContractDefinition const& _contract);
-
- /// Initialises all memory arrays in the local variables to point to an empty location.
- void initialiseMemoryArrays(std::vector<VariableDeclaration const*> _variables);
- /// Pushes the initialised value of the given type to the stack. If the type is a memory
- /// reference type, allocates memory and pushes the memory pointer.
- /// Not to be used for storage references.
- void initialiseInMemory(Type const& _type);
-
- virtual bool visit(VariableDeclaration const& _variableDeclaration) override;
- virtual bool visit(FunctionDefinition const& _function) override;
- virtual bool visit(IfStatement const& _ifStatement) override;
- virtual bool visit(WhileStatement const& _whileStatement) override;
- virtual bool visit(ForStatement const& _forStatement) override;
- virtual bool visit(Continue const& _continue) override;
- virtual bool visit(Break const& _break) override;
- virtual bool visit(Return const& _return) override;
- virtual bool visit(VariableDeclarationStatement const& _variableDeclarationStatement) override;
- virtual bool visit(ExpressionStatement const& _expressionStatement) override;
- virtual bool visit(PlaceholderStatement const&) override;
-
- /// Repeatedly visits all function which are referenced but which are not compiled yet.
- void appendFunctionsWithoutCode();
-
- /// Appends one layer of function modifier code of the current function, or the function
- /// body itself if the last modifier was reached.
- void appendModifierOrFunctionCode();
-
- void appendStackVariableInitialisation(VariableDeclaration const& _variable);
- void compileExpression(Expression const& _expression, TypePointer const& _targetType = TypePointer());
-
- /// @returns the runtime assembly for clone contracts.
- static eth::Assembly getCloneRuntime();
-
- bool const m_optimize;
- unsigned const m_optimizeRuns;
- CompilerContext m_context;
- size_t m_runtimeSub = size_t(-1); ///< Identifier of the runtime sub-assembly
- CompilerContext m_runtimeContext;
- std::vector<eth::AssemblyItem> m_breakTags; ///< tag to jump to for a "break" statement
- std::vector<eth::AssemblyItem> m_continueTags; ///< tag to jump to for a "continue" statement
- eth::AssemblyItem m_returnTag; ///< tag to jump to for a "return" statement
- unsigned m_modifierDepth = 0;
- FunctionDefinition const* m_currentFunction = nullptr;
- unsigned m_stackCleanupForReturn = 0; ///< this number of stack elements need to be removed before jump to m_returnTag
- // arguments for base constructors, filled in derived-to-base order
- std::map<FunctionDefinition const*, std::vector<ASTPointer<Expression>> const*> m_baseArguments;
-};
-
-}
-}