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[Sol->Yul] Implementing bytes.concat in IR codegen.

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Co-authored-by: Daniel Kirchner <daniel@ekpyron.org>
This commit is contained in:
Djordje Mijovic
2021-03-24 11:49:21 +01:00
co-authored by Daniel Kirchner
parent e7da9f3d52
commit 80866d3ee4
3 changed files with 73 additions and 1 deletions
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libsolidity/codegen/ir/IRGeneratorForStatements.cpp
+15 -1
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@@ -1325,7 +1325,19 @@ void IRGeneratorForStatements::endVisit(FunctionCall const& _functionCall)
}
case FunctionType::Kind::BytesConcat:
{
solUnimplementedAssert(false, "bytes.concat not yet implemented in codegen.");
TypePointers argumentTypes;
vector<string> argumentVars;
for (ASTPointer<Expression const> const& argument: arguments)
{
argumentTypes.emplace_back(&type(*argument));
argumentVars += IRVariable(*argument).stackSlots();
}
define(IRVariable(_functionCall)) <<
m_utils.bytesConcatFunction(argumentTypes) <<
"(" <<
joinHumanReadable(argumentVars) <<
")\n";
break;
}
case FunctionType::Kind::MetaType:
@@ -1998,6 +2010,8 @@ void IRGeneratorForStatements::endVisit(MemberAccess const& _memberAccess)
}
else if (EnumType const* enumType = dynamic_cast<EnumType const*>(&actualType))
define(_memberAccess) << to_string(enumType->memberValue(_memberAccess.memberName())) << "\n";
else if (auto const* arrayType = dynamic_cast<ArrayType const*>(&actualType))
solAssert(arrayType->isByteArray() && member == "concat", "");
else
// The old code generator had a generic "else" case here
// without any specific code being generated,