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| author | Alex Beregszaszi <alex@rtfs.hu> | 2017-06-26 07:06:20 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-06-26 07:06:20 +0800 |
| commit | 29b8cdb594044525b398994fe9855fbbdb76981b (patch) | |
| tree | 4d3b3a3706c4a89194f728cca37a6c457c5857fb /libsolidity/codegen/CompilerContext.cpp | |
| parent | b83f77e0e567b58c2ada831e526ad5bacfed8b40 (diff) | |
| parent | 784b72bb72631f134fbbc0cc3b7acc109dd3f785 (diff) | |
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Merge pull request #2298 from ethereum/fixThrowRevert
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; |