diff options
| -rw-r--r-- | src/wasm/wasm-type.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/wasm/wasm-type.cpp b/src/wasm/wasm-type.cpp index 52af20847..6f9671fcd 100644 --- a/src/wasm/wasm-type.cpp +++ b/src/wasm/wasm-type.cpp @@ -209,6 +209,21 @@ struct TypePrinter { private: template<typename T, typename F> std::ostream& printChild(T curr, F printer); + + // FIXME: This hard limit on how many times we call print() avoids extremely + // large outputs, which can be inconveniently large in some cases, but + // we should have a better mechanism for this. + static const size_t MaxPrints = 100; + + size_t prints = 0; + + bool exceededLimit() { + if (prints >= MaxPrints) { + return true; + } + prints++; + return false; + } }; // Helper for hashing the shapes of TypeInfos and HeapTypeInfos. Keeps track of @@ -1502,6 +1517,9 @@ bool TypeBounder::lub(const Rtt& a, const Rtt& b, Rtt& out) { template<typename T, typename F> std::ostream& TypePrinter::printChild(T curr, F printer) { + if (exceededLimit()) { + return os << "..!"; + } auto it = depths.find(curr.getID()); if (it != depths.end()) { assert(it->second <= currDepth); |