diff options
Diffstat (limited to 'src/wasm-traversal.h')
-rw-r--r-- | src/wasm-traversal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/wasm-traversal.h b/src/wasm-traversal.h index 44bd6ed3d..8384c6a6f 100644 --- a/src/wasm-traversal.h +++ b/src/wasm-traversal.h @@ -613,6 +613,12 @@ struct ExpressionStackWalker : public PostWalker<SubType, VisitorType> { } } + Expression* getParent() { + if (expressionStack.size() == 1) return nullptr; + assert(expressionStack.size() >= 2); + return expressionStack[expressionStack.size() - 2]; + } + static void doPreVisit(SubType* self, Expression** currp) { self->expressionStack.push_back(*currp); } |