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Diffstat (limited to 'src/Compiler.h')
-rw-r--r-- | src/Compiler.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/Compiler.h b/src/Compiler.h deleted file mode 100644 index bec2b064..00000000 --- a/src/Compiler.h +++ /dev/null @@ -1,143 +0,0 @@ -/* - 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; -}; - -} -} |