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Diffstat (limited to 'libsolidity/interface/AssemblyStack.h')
-rw-r--r-- | libsolidity/interface/AssemblyStack.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libsolidity/interface/AssemblyStack.h b/libsolidity/interface/AssemblyStack.h new file mode 100644 index 00000000..2ae596ed --- /dev/null +++ b/libsolidity/interface/AssemblyStack.h @@ -0,0 +1,96 @@ +/* + 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/>. +*/ +/** + * Full assembly stack that can support EVM-assembly and JULIA as input and EVM, EVM1.5 and + * eWasm as output. + */ + +#pragma once + +#include <libsolidity/interface/ErrorReporter.h> +#include <libevmasm/LinkerObject.h> + +#include <string> +#include <memory> + +namespace dev +{ +namespace solidity +{ +class Scanner; +namespace assembly +{ +struct AsmAnalysisInfo; +struct Block; +} + +struct MachineAssemblyObject +{ + std::shared_ptr<eth::LinkerObject> bytecode; + std::string assembly; +}; + +/* + * Full assembly stack that can support EVM-assembly and JULIA as input and EVM, EVM1.5 and + * eWasm as output. + */ +class AssemblyStack +{ +public: + enum class Language { JULIA, Assembly }; + enum class Machine { EVM, EVM15, eWasm }; + + explicit AssemblyStack(Language _language = Language::Assembly): + m_language(_language), m_errorReporter(m_errors) + {} + + /// @returns the scanner used during parsing + Scanner const& scanner() const; + + /// Runs parsing and analysis steps, returns false if input cannot be assembled. + /// Multiple calls overwrite the previous state. + bool parseAndAnalyze(std::string const& _sourceName, std::string const& _source); + + /// Runs analysis step on the supplied block, returns false if input cannot be assembled. + /// Multiple calls overwrite the previous state. + bool analyze(assembly::Block const& _block, Scanner const* _scanner = nullptr); + + /// Run the assembly step (should only be called after parseAndAnalyze). + MachineAssemblyObject assemble(Machine _machine) const; + + /// @returns the errors generated during parsing, analysis (and potentially assembly). + ErrorList const& errors() const { return m_errors; } + + /// Pretty-print the input after having parsed it. + std::string print() const; + +private: + bool analyzeParsed(); + + Language m_language = Language::Assembly; + + std::shared_ptr<Scanner> m_scanner; + + bool m_analysisSuccessful = false; + std::shared_ptr<assembly::Block> m_parserResult; + std::shared_ptr<assembly::AsmAnalysisInfo> m_analysisInfo; + ErrorList m_errors; + ErrorReporter m_errorReporter; +}; + +} +} |