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Diffstat (limited to 'libsolidity/inlineasm/AsmStack.h')
-rw-r--r-- | libsolidity/inlineasm/AsmStack.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/libsolidity/inlineasm/AsmStack.h b/libsolidity/inlineasm/AsmStack.h deleted file mode 100644 index 77a7e02a..00000000 --- a/libsolidity/inlineasm/AsmStack.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - This file is part of solidity. - - solidity 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. - - solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>. -*/ -/** - * @author Christian <c@ethdev.com> - * @date 2016 - * Full-stack Solidity inline assember. - */ - -#pragma once - -#include <libsolidity/interface/Exceptions.h> - -#include <string> -#include <functional> - -namespace dev -{ -namespace eth -{ -class Assembly; -} -namespace solidity -{ -class Scanner; -namespace assembly -{ -struct Block; -struct Identifier; - -enum class IdentifierContext { LValue, RValue }; - -/// Object that is used to resolve references and generate code for access to identifiers external -/// to inline assembly (not used in standalone assembly mode). -struct ExternalIdentifierAccess -{ - using Resolver = std::function<size_t(assembly::Identifier const&, IdentifierContext)>; - /// Resolve a an external reference given by the identifier in the given context. - /// @returns the size of the value (number of stack slots) or size_t(-1) if not found. - Resolver resolve; - using CodeGenerator = std::function<void(assembly::Identifier const&, IdentifierContext, eth::Assembly&)>; - /// Generate code for retrieving the value (rvalue context) or storing the value (lvalue context) - /// of an identifier. The code should be appended to the assembly. In rvalue context, the value is supposed - /// to be put onto the stack, in lvalue context, the value is assumed to be at the top of the stack. - CodeGenerator generateCode; -}; - -class InlineAssemblyStack -{ -public: - /// Parse the given inline assembly chunk starting with `{` and ending with the corresponding `}`. - /// @return false or error. - bool parse( - std::shared_ptr<Scanner> const& _scanner, - ExternalIdentifierAccess::Resolver const& _externalIdentifierResolver = ExternalIdentifierAccess::Resolver() - ); - /// Converts the parser result back into a string form (not necessarily the same form - /// as the source form, but it should parse into the same parsed form again). - std::string toString(); - - eth::Assembly assemble(); - - /// Parse and assemble a string in one run - for use in Solidity code generation itself. - bool parseAndAssemble( - std::string const& _input, - eth::Assembly& _assembly, - ExternalIdentifierAccess const& _identifierAccess = ExternalIdentifierAccess() - ); - - ErrorList const& errors() const { return m_errors; } - -private: - std::shared_ptr<Block> m_parserResult; - ErrorList m_errors; -}; - -} -} -} |