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Unified Diff: src/ast.h

Issue 1173253004: [turbofan] Ensure lazy bailout point in exception handler. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Ensure space for lazy deopt. Created 5 years, 6 months ago
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Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 0dc9e6066630898e326880092c60b157e4e8e6a7..7bdd520bbaf6e6559e8dae2f273facfb6bf1969f 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1163,12 +1163,27 @@ class TryStatement : public Statement {
public:
Block* try_block() const { return try_block_; }
+ void set_base_id(int id) { base_id_ = id; }
+ static int num_ids() { return parent_num_ids() + 1; }
+ BailoutId HandlerId() const { return BailoutId(local_id(0)); }
+
protected:
TryStatement(Zone* zone, Block* try_block, int pos)
- : Statement(zone, pos), try_block_(try_block) {}
+ : Statement(zone, pos),
+ try_block_(try_block),
+ base_id_(BailoutId::None().ToInt()) {}
+ static int parent_num_ids() { return 0; }
+
+ int base_id() const {
+ DCHECK(!BailoutId(base_id_).IsNone());
+ return base_id_;
+ }
private:
+ int local_id(int n) const { return base_id() + parent_num_ids() + n; }
+
Block* try_block_;
+ int base_id_;
};
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