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[Sol->Yul] Implementing getters for bytes and structs containing bytes member.

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Co-authored-by: chriseth <chris@ethereum.org>
This commit is contained in:
Djordje Mijovic
2020-12-21 14:46:06 +01:00
co-authored by chriseth
parent a9a62e86df
commit 2d5a2c65a8
3 changed files with 49 additions and 16 deletions
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libsolidity/codegen/ir/IRGenerator.cpp
+8 -5
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@@ -511,11 +511,12 @@ string IRGenerator::generateGetter(VariableDeclaration const& _varDecl)
{
if (returnTypes[i]->category() == Type::Category::Mapping)
continue;
if (auto arrayType = dynamic_cast<ArrayType const*>(returnTypes[i]))
if (!arrayType->isByteArray())
continue;
if (
auto const* arrayType = dynamic_cast<ArrayType const*>(returnTypes[i]);
arrayType && !arrayType->isByteArray()
)
continue;
// TODO conversion from storage byte arrays is not yet implemented.
pair<u256, unsigned> const& offsets = structType->storageOffsetsOfMember(names[i]);
vector<string> retVars = IRVariable("ret_" + to_string(returnVariables.size()), *returnTypes[i]).stackSlots();
returnVariables += retVars;
@@ -531,9 +532,11 @@ string IRGenerator::generateGetter(VariableDeclaration const& _varDecl)
else
{
solAssert(returnTypes.size() == 1, "");
auto const* arrayType = dynamic_cast<ArrayType const*>(returnTypes.front());
if (arrayType)
solAssert(arrayType->isByteArray(), "");
vector<string> retVars = IRVariable("ret", *returnTypes.front()).stackSlots();
returnVariables += retVars;
// TODO conversion from storage byte arrays is not yet implemented.
code += Whiskers(R"(
<ret> := <readStorage>(slot, offset)
)")