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Old codegen: implemented shortcut for <address>.code.length

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This commit is contained in:
hrkrshnn 2021-01-21 20:28:06 +01:00
parent 2bf85ea44f
commit d6d880dc53
1 changed files with 23 additions and 0 deletions
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23
libsolidity/codegen/ExpressionCompiler.cpp
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@ -1473,6 +1473,29 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess)
return false; return false;
} }
// Another special case for `address.code.length`, which should simply call extcodesize
if (
auto innerExpression = dynamic_cast<MemberAccess const*>(&_memberAccess.expression());
member == "length" &&
innerExpression &&
innerExpression->memberName() == "code" &&
innerExpression->expression().annotation().type->category() == Type::Category::Address
)
{
solAssert(innerExpression->annotation().type->category() == Type::Category::Array, "");
innerExpression->expression().accept(*this);
utils().convertType(
*innerExpression->expression().annotation().type,
*TypeProvider::address(),
true
);
m_context << Instruction::EXTCODESIZE;
return false;
}
_memberAccess.expression().accept(*this); _memberAccess.expression().accept(*this);
switch (_memberAccess.expression().annotation().type->category()) switch (_memberAccess.expression().annotation().type->category())
{ {