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Fix for nested "when" statements leading to confusion over scoping

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This commit is contained in:
Vern Paxson 2023-07-05 17:10:38 -07:00
parent 0b217e0e76
commit a1d25670fc
3 changed files with 25 additions and 14 deletions
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14
src/Var.cc
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@ -767,7 +767,6 @@ class OuterIDBindingFinder : public TraversalCallback
public:
OuterIDBindingFinder(ScopePtr s) { scopes.emplace_back(s); }
TraversalCode PreStmt(const Stmt*) override;
TraversalCode PreExpr(const Expr*) override;
TraversalCode PostExpr(const Expr*) override;
@ -775,19 +774,6 @@ public:
std::unordered_set<ID*> outer_id_references;
};
TraversalCode OuterIDBindingFinder::PreStmt(const Stmt* stmt)
{
if ( stmt->Tag() != STMT_WHEN )
return TC_CONTINUE;
auto ws = static_cast<const WhenStmt*>(stmt);
for ( auto& cl : ws->Info()->WhenExprLocals() )
outer_id_references.insert(const_cast<ID*>(cl.get()));
return TC_ABORTSTMT;
}
TraversalCode OuterIDBindingFinder::PreExpr(const Expr* expr)
{
if ( expr->Tag() == EXPR_LAMBDA )