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Code generator for revert with reason string.

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This commit is contained in:
chriseth 2017-12-30 13:47:51 +01:00
parent 8ab7dc036a
commit 012ab37fe3
1 changed files with 18 additions and 1 deletions
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19
libsolidity/codegen/ExpressionCompiler.cpp
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@ -680,8 +680,25 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
m_context << Instruction::SELFDESTRUCT; m_context << Instruction::SELFDESTRUCT;
break; break;
case FunctionType::Kind::Revert: case FunctionType::Kind::Revert:
m_context.appendRevert(); {
if (!arguments.empty())
{
solAssert(arguments.size() == 1, "");
solAssert(function.parameterTypes().size() == 1, "");
m_context << u256(0);
arguments.front()->accept(*this);
utils().fetchFreeMemoryPointer();
utils().abiEncode(
{make_shared<IntegerType>(256), arguments.front()->annotation().type},
{make_shared<IntegerType>(256), make_shared<ArrayType>(DataLocation::Memory, true)}
);
utils().toSizeAfterFreeMemoryPointer();
m_context << Instruction::REVERT;
}
else
m_context.appendRevert();
break; break;
}
case FunctionType::Kind::SHA3: case FunctionType::Kind::SHA3:
{ {
TypePointers argumentTypes; TypePointers argumentTypes;