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63 lines
1.9 KiB
63 lines
1.9 KiB
/*
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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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* Routines used by both the compiler and the expression compiler.
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*/
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#pragma once
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#include <libsolidity/CompilerContext.h>
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#include <libsolidity/ASTForward.h>
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namespace dev {
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namespace solidity {
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class Type; // forward
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class CompilerUtils
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{
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public:
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CompilerUtils(CompilerContext& _context): m_context(_context) {}
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/// Moves the value that is at the top of the stack to a stack variable.
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void moveToStackVariable(VariableDeclaration const& _variable);
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/// Copies a variable of type @a _type from a stack depth of @a _stackDepth to the top of the stack.
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void copyToStackTop(unsigned _stackDepth, Type const& _type);
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/// Removes the current value from the top of the stack.
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void popStackElement(Type const& _type);
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template <class T>
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static unsigned getSizeOnStack(std::vector<T> const& _variables);
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static unsigned getSizeOnStack(std::vector<std::shared_ptr<Type const>> const& _variableTypes);
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private:
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CompilerContext& m_context;
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};
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template <class T>
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unsigned CompilerUtils::getSizeOnStack(std::vector<T> const& _variables)
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{
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unsigned size = 0;
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for (T const& variable: _variables)
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size += variable->getType()->getSizeOnStack();
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return size;
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}
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}
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}
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