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Diffstat (limited to 'src/CompilerContext.cpp')
| -rw-r--r-- | src/CompilerContext.cpp | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/src/CompilerContext.cpp b/src/CompilerContext.cpp deleted file mode 100644 index 0f6f5fe7..00000000 --- a/src/CompilerContext.cpp +++ /dev/null @@ -1,214 +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 - * Utilities for the solidity compiler. - */ - -#include <utility> -#include <numeric> -#include <libsolidity/AST.h> -#include <libsolidity/Compiler.h> - -using namespace std; - -namespace dev -{ -namespace solidity -{ - -void CompilerContext::addMagicGlobal(MagicVariableDeclaration const& _declaration) -{ - m_magicGlobals.insert(&_declaration); -} - -void CompilerContext::addStateVariable( - VariableDeclaration const& _declaration, - u256 const& _storageOffset, - unsigned _byteOffset -) -{ - m_stateVariables[&_declaration] = make_pair(_storageOffset, _byteOffset); -} - -void CompilerContext::startFunction(Declaration const& _function) -{ - m_functionsWithCode.insert(&_function); - *this << getFunctionEntryLabel(_function); -} - -void CompilerContext::addVariable(VariableDeclaration const& _declaration, - unsigned _offsetToCurrent) -{ - solAssert(m_asm.deposit() >= 0 && unsigned(m_asm.deposit()) >= _offsetToCurrent, ""); - m_localVariables[&_declaration] = unsigned(m_asm.deposit()) - _offsetToCurrent; -} - -void CompilerContext::removeVariable(VariableDeclaration const& _declaration) -{ - solAssert(!!m_localVariables.count(&_declaration), ""); - m_localVariables.erase(&_declaration); -} - -bytes const& CompilerContext::getCompiledContract(const ContractDefinition& _contract) const -{ - auto ret = m_compiledContracts.find(&_contract); - solAssert(ret != m_compiledContracts.end(), "Compiled contract not found."); - return *ret->second; -} - -bool CompilerContext::isLocalVariable(Declaration const* _declaration) const -{ - return !!m_localVariables.count(_declaration); -} - -eth::AssemblyItem CompilerContext::getFunctionEntryLabel(Declaration const& _declaration) -{ - auto res = m_functionEntryLabels.find(&_declaration); - if (res == m_functionEntryLabels.end()) - { - eth::AssemblyItem tag(m_asm.newTag()); - m_functionEntryLabels.insert(make_pair(&_declaration, tag)); - return tag.tag(); - } - else - return res->second.tag(); -} - -eth::AssemblyItem CompilerContext::getFunctionEntryLabelIfExists(Declaration const& _declaration) const -{ - auto res = m_functionEntryLabels.find(&_declaration); - return res == m_functionEntryLabels.end() ? eth::AssemblyItem(eth::UndefinedItem) : res->second.tag(); -} - -eth::AssemblyItem CompilerContext::getVirtualFunctionEntryLabel(FunctionDefinition const& _function) -{ - solAssert(!m_inheritanceHierarchy.empty(), "No inheritance hierarchy set."); - return getVirtualFunctionEntryLabel(_function, m_inheritanceHierarchy.begin()); -} - -eth::AssemblyItem CompilerContext::getSuperFunctionEntryLabel(FunctionDefinition const& _function, ContractDefinition const& _base) -{ - solAssert(!m_inheritanceHierarchy.empty(), "No inheritance hierarchy set."); - return getVirtualFunctionEntryLabel(_function, getSuperContract(_base)); -} - -FunctionDefinition const* CompilerContext::getNextConstructor(ContractDefinition const& _contract) const -{ - vector<ContractDefinition const*>::const_iterator it = getSuperContract(_contract); - for (; it != m_inheritanceHierarchy.end(); ++it) - if ((*it)->getConstructor()) - return (*it)->getConstructor(); - - return nullptr; -} - -set<Declaration const*> CompilerContext::getFunctionsWithoutCode() -{ - set<Declaration const*> functions; - for (auto const& it: m_functionEntryLabels) - if (m_functionsWithCode.count(it.first) == 0) - functions.insert(it.first); - return functions; -} - -ModifierDefinition const& CompilerContext::getFunctionModifier(string const& _name) const -{ - solAssert(!m_inheritanceHierarchy.empty(), "No inheritance hierarchy set."); - for (ContractDefinition const* contract: m_inheritanceHierarchy) - for (ASTPointer<ModifierDefinition> const& modifier: contract->getFunctionModifiers()) - if (modifier->getName() == _name) - return *modifier.get(); - BOOST_THROW_EXCEPTION(InternalCompilerError() - << errinfo_comment("Function modifier " + _name + " not found.")); -} - -unsigned CompilerContext::getBaseStackOffsetOfVariable(Declaration const& _declaration) const -{ - auto res = m_localVariables.find(&_declaration); - solAssert(res != m_localVariables.end(), "Variable not found on stack."); - return res->second; -} - -unsigned CompilerContext::baseToCurrentStackOffset(unsigned _baseOffset) const -{ - return m_asm.deposit() - _baseOffset - 1; -} - -unsigned CompilerContext::currentToBaseStackOffset(unsigned _offset) const -{ - return m_asm.deposit() - _offset - 1; -} - -pair<u256, unsigned> CompilerContext::getStorageLocationOfVariable(const Declaration& _declaration) const -{ - auto it = m_stateVariables.find(&_declaration); - solAssert(it != m_stateVariables.end(), "Variable not found in storage."); - return it->second; -} - -CompilerContext& CompilerContext::appendJump(eth::AssemblyItem::JumpType _jumpType) -{ - eth::AssemblyItem item(eth::Instruction::JUMP); - item.setJumpType(_jumpType); - return *this << item; -} - -void CompilerContext::resetVisitedNodes(ASTNode const* _node) -{ - stack<ASTNode const*> newStack; - newStack.push(_node); - std::swap(m_visitedNodes, newStack); - updateSourceLocation(); -} - -eth::AssemblyItem CompilerContext::getVirtualFunctionEntryLabel( - FunctionDefinition const& _function, - vector<ContractDefinition const*>::const_iterator _searchStart -) -{ - string name = _function.getName(); - FunctionType functionType(_function); - auto it = _searchStart; - for (; it != m_inheritanceHierarchy.end(); ++it) - for (ASTPointer<FunctionDefinition> const& function: (*it)->getDefinedFunctions()) - if ( - function->getName() == name && - !function->isConstructor() && - FunctionType(*function).hasEqualArgumentTypes(functionType) - ) - return getFunctionEntryLabel(*function); - solAssert(false, "Super function " + name + " not found."); - return m_asm.newTag(); // not reached -} - -vector<ContractDefinition const*>::const_iterator CompilerContext::getSuperContract(ContractDefinition const& _contract) const -{ - solAssert(!m_inheritanceHierarchy.empty(), "No inheritance hierarchy set."); - auto it = find(m_inheritanceHierarchy.begin(), m_inheritanceHierarchy.end(), &_contract); - solAssert(it != m_inheritanceHierarchy.end(), "Base not found in inheritance hierarchy."); - return ++it; -} - -void CompilerContext::updateSourceLocation() -{ - m_asm.setSourceLocation(m_visitedNodes.empty() ? SourceLocation() : m_visitedNodes.top()->getLocation()); -} - -} -} |