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captures for "when" statements

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update Triggers to IntrusivePtr's and simpler AST traversal
introduce IDSet type, migrate associated "ID*" types to "const ID*"
This commit is contained in:
Vern Paxson 2022-01-07 14:50:35 -08:00
parent fa142438fe
commit f895008c34
24 changed files with 648 additions and 202 deletions
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23
src/script_opt/ProfileFunc.cc
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@ -270,13 +270,26 @@ TraversalCode ProfileFunc::PreExpr(const Expr* e)
case EXPR_REMOVE_FROM:
case EXPR_ASSIGN:
{
if ( e->GetOp1()->Tag() == EXPR_REF )
if ( e->GetOp1()->Tag() != EXPR_REF )
// this isn't a direct assignment
break;
auto lhs = e->GetOp1()->GetOp1();
if ( lhs->Tag() != EXPR_NAME )
break;
auto id = lhs->AsNameExpr()->Id();
TrackAssignment(id);
if ( e->Tag() == EXPR_ASSIGN )
{
auto lhs = e->GetOp1()->GetOp1();
if ( lhs->Tag() == EXPR_NAME )
TrackAssignment(lhs->AsNameExpr()->Id());
auto a_e = static_cast<const AssignExpr*>(e);
auto& av = a_e->AssignVal();
if ( av )
// This is a funky "local" assignment
// inside a when clause.
when_locals.insert(id);
}
// else this isn't a direct assignment.
break;
}