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| author | Lefteris Karapetsas <lefteris@refu.co> | 2015-03-14 00:36:00 +0800 |
|---|---|---|
| committer | Lefteris Karapetsas <lefteris@refu.co> | 2015-03-16 19:59:56 +0800 |
| commit | d7ffba150458f947c03741f1b528d45eb6c8771a (patch) | |
| tree | f4142709379a19c8ffd18531c075c94ee0309b2e /ExpressionCompiler.cpp | |
| parent | 039b133c180b15863ee3104637c97822d815d932 (diff) | |
| download | dexon-solidity-d7ffba150458f947c03741f1b528d45eb6c8771a.tar.gz dexon-solidity-d7ffba150458f947c03741f1b528d45eb6c8771a.tar.zst dexon-solidity-d7ffba150458f947c03741f1b528d45eb6c8771a.zip | |
Adding msg.sig Solidity Magic type
msg.sig will return a bytes4 with the function signature located in CALLDATALOAD
Diffstat (limited to 'ExpressionCompiler.cpp')
| -rw-r--r-- | ExpressionCompiler.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ExpressionCompiler.cpp b/ExpressionCompiler.cpp index 3cee40df..07f4e94e 100644 --- a/ExpressionCompiler.cpp +++ b/ExpressionCompiler.cpp @@ -646,6 +646,8 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess) m_context << eth::Instruction::GASPRICE; else if (member == "data") m_context << u256(0) << eth::Instruction::CALLDATASIZE; + else if (member == "sig") + m_context << u256(0) << eth::Instruction::CALLDATALOAD << (u256(0xffffffff) << (256 - 32))<< eth::Instruction::AND; else BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown magic member.")); break; |