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| author | chriseth <chris@ethereum.org> | 2017-05-24 17:47:43 +0800 |
|---|---|---|
| committer | chriseth <chris@ethereum.org> | 2017-06-24 01:29:11 +0800 |
| commit | 831ed083875b73faf91f9d3335e2599540366712 (patch) | |
| tree | 9483dd02d12267cab05078f140b094ad40841a14 /libsolidity/codegen/CompilerContext.cpp | |
| parent | b83f77e0e567b58c2ada831e526ad5bacfed8b40 (diff) | |
| download | dexon-solidity-831ed083875b73faf91f9d3335e2599540366712.tar.gz dexon-solidity-831ed083875b73faf91f9d3335e2599540366712.tar.zst dexon-solidity-831ed083875b73faf91f9d3335e2599540366712.zip | |
Change invalid opcode to revert for input validation.
Diffstat (limited to 'libsolidity/codegen/CompilerContext.cpp')
| -rw-r--r-- | libsolidity/codegen/CompilerContext.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libsolidity/codegen/CompilerContext.cpp b/libsolidity/codegen/CompilerContext.cpp index 9d0d6d37..1937b529 100644 --- a/libsolidity/codegen/CompilerContext.cpp +++ b/libsolidity/codegen/CompilerContext.cpp @@ -244,6 +244,20 @@ CompilerContext& CompilerContext::appendConditionalInvalid() return *this; } +CompilerContext& CompilerContext::appendRevert() +{ + return *this << u256(0) << u256(0) << Instruction::REVERT; +} + +CompilerContext& CompilerContext::appendConditionalRevert() +{ + *this << Instruction::ISZERO; + eth::AssemblyItem afterTag = appendConditionalJump(); + appendRevert(); + *this << afterTag; + return *this; +} + void CompilerContext::resetVisitedNodes(ASTNode const* _node) { stack<ASTNode const*> newStack; |