29 lines
1.2 KiB
Plaintext
29 lines
1.2 KiB
Plaintext
section "" {
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TNumber @ type(?Gamma, lit(?n), number) <- num(?n);
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TString @ type(?Gamma, lit(?s), string) <- str(?s);
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TVar @ type(?Gamma, var(?x), ?tau) <- inenv(?x, ?tau, ?Gamma);
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TPlusI @ type(?Gamma, plus(?e_1, ?e_2), number) <-
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type(?Gamma, ?e_1, number), type(?Gamma, ?e_2, number);
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TPlusS @ type(?Gamma, plus(?e_1, ?e_2), string) <-
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type(?Gamma, ?e_1, string), type(?Gamma, ?e_2, string);
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}
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section "" {
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TPair @ type(?Gamma, pair(?e_1, ?e_2), tpair(?tau_1, ?tau_2)) <-
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type(?Gamma, ?e_1, ?tau_1), type(?Gamma, ?e_2, ?tau_2);
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TFst @ type(?Gamma, fst(?e), ?tau_1) <-
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type(?Gamma, ?e, tpair(?tau_1, ?tau_2));
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TSnd @ type(?Gamma, snd(?e), ?tau_2) <-
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type(?Gamma, ?e, tpair(?tau_1, ?tau_2));
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}
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section "" {
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TAbs @ type(?Gamma, abs(?x, ?tau_1, ?e), tarr(?tau_1, ?tau_2)) <-
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type(extend(?Gamma, ?x, ?tau_1), ?e, ?tau_2);
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TApp @ type(?Gamma, app(?e_1, ?e_2), ?tau_2) <-
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type(?Gamma, ?e_1, tarr(?tau_1, ?tau_2)), type(?Gamma, ?e_2, ?tau_1);
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}
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section "" {
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GammaTake @ inenv(?x, ?tau_1, extend(?Gamma, ?x, ?tau_1)) <-;
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GammaSkip @ inenv(?x, ?tau_1, extend(?Gamma, ?y, ?tau_2)) <- inenv(?x, ?tau_1, ?Gamma);
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}
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