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| author | chriseth <chris@ethereum.org> | 2019-01-18 07:16:06 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-18 07:16:06 +0800 |
| commit | 2ec997e697e306dd54165aad365406ee88c534cb (patch) | |
| tree | 5e943e23d38e332de3eedd33be11f2cf9df5fd69 /libsolidity/codegen/CompilerUtils.cpp | |
| parent | 0711873a2f13d7b0f27e268fcd0a7683665f339d (diff) | |
| parent | 2a92403690a4998ab097503231ac39f854b9c76c (diff) | |
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Merge pull request #5775 from ethereum/codeAccess
Provide access to code of contract types.
Diffstat (limited to 'libsolidity/codegen/CompilerUtils.cpp')
| -rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index bbc703c7..6cfb0777 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -1199,6 +1199,29 @@ void CompilerUtils::computeHashStatic() m_context << u256(32) << u256(0) << Instruction::KECCAK256; } +void CompilerUtils::copyContractCodeToMemory(ContractDefinition const& contract, bool _creation) +{ + string which = _creation ? "Creation" : "Runtime"; + m_context.callLowLevelFunction( + "$copyContract" + which + "CodeToMemory_" + contract.type()->identifier(), + 1, + 1, + [&contract, _creation](CompilerContext& _context) + { + // copy the contract's code into memory + shared_ptr<eth::Assembly> assembly = + _creation ? + _context.compiledContract(contract) : + _context.compiledContractRuntime(contract); + // pushes size + auto subroutine = _context.addSubroutine(assembly); + _context << Instruction::DUP1 << subroutine; + _context << Instruction::DUP4 << Instruction::CODECOPY; + _context << Instruction::ADD; + } + ); +} + void CompilerUtils::storeStringData(bytesConstRef _data) { //@todo provide both alternatives to the optimiser |