eta_red_phase.cpp

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#include "mim/phase/eta_red_phase.h"
 
namespace mim {
 
void EtaRedPhase::rewrite_external(Def* mut) { mut->transfer_external(rewrite_no_eta(mut)->as_mut()); }
 
const Def* EtaRedPhase::rewrite(const Def* old_def) {
    if (auto lam = old_def->isa<Lam>()) {
        if (auto callee = lam->eta_reduce()) return todo_ = true, rewrite(callee);
    }
 
    return Rewriter::rewrite(old_def);
}
 
const Def* EtaRedPhase::rewrite_imm_Var(const Var* var) {
    return new_world().var(rewrite(var->type()), rewrite_no_eta(var->mut())->as_mut());
}
 
} // namespace mim