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Fix detection of recursive structs.

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This commit is contained in:
chriseth
2018-04-03 16:27:28 +02:00
committed by Alex Beregszaszi
parent c42caedec2
commit 5bdadff0d8
4 changed files with 36 additions and 0 deletions
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libsolidity/ast/Types.cpp
+5
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@@ -1972,9 +1972,12 @@ bool StructType::recursive() const
if (!m_recursive.is_initialized())
{
set<StructDefinition const*> structsSeen;
set<StructDefinition const*> structsProcessed;
function<bool(StructType const*)> check = [&](StructType const* t) -> bool
{
StructDefinition const* str = &t->structDefinition();
if (structsProcessed.count(str))
return false;
if (structsSeen.count(str))
return true;
structsSeen.insert(str);
@@ -1987,6 +1990,8 @@ bool StructType::recursive() const
if (check(innerStruct))
return true;
}
structsSeen.erase(str);
structsProcessed.insert(str);
return false;
};
m_recursive = check(this);