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Merge pull request #2473 from ethereum/functiontype-sig

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Add .selector member on function types
This commit is contained in:
Alex Beregszaszi
2017-09-13 17:35:48 +01:00
committed by GitHub
parent 3f3bcc4f8a 8b166c3636
commit 5c9dbd5083
7 changed files with 132 additions and 1 deletions
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libsolidity/ast/Types.cpp
+5
View File
@@ -2436,6 +2436,11 @@ MemberList::MemberMap FunctionType::nativeMembers(ContractDefinition const*) con
case Kind::BareDelegateCall:
{
MemberList::MemberMap members;
if (m_kind == Kind::External)
members.push_back(MemberList::Member(
"selector",
make_shared<FixedBytesType>(4)
));
if (m_kind != Kind::BareDelegateCall && m_kind != Kind::DelegateCall)
{
if (isPayable())
libsolidity/codegen/ExpressionCompiler.cpp
+8 -1
View File
@@ -1068,7 +1068,14 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess)
solAssert(false, "Invalid member access to integer");
break;
case Type::Category::Function:
solAssert(!!_memberAccess.expression().annotation().type->memberType(member),
if (member == "selector")
{
m_context << Instruction::SWAP1 << Instruction::POP;
/// need to store store it as bytes4
utils().leftShiftNumberOnStack(224);
}
else
solAssert(!!_memberAccess.expression().annotation().type->memberType(member),
"Invalid member access to function.");
break;
case Type::Category::Magic: