cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Only capture function type to address conversion

Browse Source
This commit is contained in:
Alex Beregszaszi 2017-02-01 12:22:14 +00:00
parent 0b61f13c7f
commit 4361797ddc
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
libsolidity/codegen/CompilerUtils.cpp
View File

@ -789,15 +789,17 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
break;
case Type::Category::Function:
{
solAssert(targetTypeCategory == Type::Category::Integer, "Invalid conversion for function type.");
IntegerType const& targetType = dynamic_cast<IntegerType const&>(_targetType);
solAssert(targetType.isAddress(), "Function type can only be converted to address.");
FunctionType const& typeOnStack = dynamic_cast<FunctionType const&>(_typeOnStack);
solAssert(typeOnStack.location() == FunctionType::Location::External, "Only external function type can be converted.");
if (targetTypeCategory == Type::Category::Integer)
{
IntegerType const& targetType = dynamic_cast<IntegerType const&>(_targetType);
solAssert(targetType.isAddress(), "Function type can only be converted to address.");
FunctionType const& typeOnStack = dynamic_cast<FunctionType const&>(_typeOnStack);
solAssert(typeOnStack.location() == FunctionType::Location::External, "Only external function type can be converted.");
// stack: <address> <function_id>
m_context << Instruction::POP;
break;
// stack: <address> <function_id>
m_context << Instruction::POP;
break;
}
}
default:
// All other types should not be convertible to non-equal types.