Commit 2efbf2f6 authored by Robbert Krebbers's avatar Robbert Krebbers

Better names for basic examples.

parent df678f5f
Pipeline #21262 passed with stage
in 17 minutes and 40 seconds
......@@ -5,17 +5,17 @@ From iris.heap_lang Require Import proofmode notation lib.spin_lock.
From actris.utils Require Import contribution.
(** Basic *)
Definition prog1 : val := λ: <>,
Definition prog : val := λ: <>,
let: "c" := start_chan (λ: "c'", send "c'" #42) in
recv "c".
(** Tranfering References *)
Definition prog1_ref : val := λ: <>,
Definition prog_ref : val := λ: <>,
let: "c" := start_chan (λ: "c'", send "c'" (ref #42)) in
! (recv "c").
(** Delegation, i.e. transfering channels *)
Definition prog1_del : val := λ: <>,
Definition prog_del : val := λ: <>,
let: "c1" := start_chan (λ: "c1'",
let: "cc2" := new_chan #() in
send "c1'" (Fst "cc2");;
......@@ -23,18 +23,18 @@ Definition prog1_del : val := λ: <>,
recv (recv "c1").
(** Dependent protocols *)
Definition prog2 : val := λ: <>,
Definition prog_dep : val := λ: <>,
let: "c" := start_chan (λ: "c'",
let: "x" := recv "c'" in send "c'" ("x" + #2)) in
send "c" #40;;
recv "c".
Definition prog2_ref : val := λ: <>,
Definition prog_dep_ref : val := λ: <>,
let: "c" := start_chan (λ: "c'",
let: "l" := recv "c'" in "l" <- !"l" + #2;; send "c'" #()) in
let: "l" := ref #40 in send "c" "l";; recv "c";; !"l".
Definition prog2_del : val := λ: <>,
Definition prog_dep_del : val := λ: <>,
let: "c1" := start_chan (λ: "c1'",
let: "cc2" := new_chan #() in
send "c1'" (Fst "cc2");;
......@@ -42,7 +42,7 @@ Definition prog2_del : val := λ: <>,
let: "c2'" := recv "c1" in send "c2'" #40;; recv "c2'".
(** Transfering higher-order functions *)
Definition prog3 : val := λ: <>,
Definition prog_fun : val := λ: <>,
let: "c" := start_chan (λ: "c'",
let: "f" := recv "c'" in send "c'" (λ: <>, "f" #() + #2)) in
let: "r" := ref #40 in
......@@ -61,27 +61,27 @@ Section proofs.
Context `{heapG Σ, proto_chanG Σ}.
(** Protocols for the respective programs *)
Definition prot1 : iProto Σ :=
Definition prot : iProto Σ :=
(<?> MSG #42; END)%proto.
Definition prot1_ref : iProto Σ :=
Definition prot_ref : iProto Σ :=
(<?> l : loc, MSG #l {{ l #42 }}; END)%proto.
Definition prot1_del : iProto Σ :=
(<?> c : val, MSG c {{ c prot1 }}; END)%proto.
Definition prot_del : iProto Σ :=
(<?> c : val, MSG c {{ c prot }}; END)%proto.
Definition prot2 : iProto Σ :=
Definition prot_dep : iProto Σ :=
(<!> x : Z, MSG #x; <?> MSG #(x + 2); END)%proto.
Definition prot2_ref : iProto Σ :=
Definition prot_dep_ref : iProto Σ :=
(<!> (l : loc) (x : Z), MSG #l {{ l #x }};
<?> MSG #() {{ l #(x + 2) }};
END)%proto.
Definition prot2_del : iProto Σ :=
(<?> c : val, MSG c {{ c prot2 }}; END)%proto.
Definition prot_dep_del : iProto Σ :=
(<?> c : val, MSG c {{ c prot_dep }}; END)%proto.
Definition prot3 : iProto Σ :=
Definition prot_fun : iProto Σ :=
(<!> (P : iProp Σ) (Φ : Z iProp Σ) (vf : val),
MSG vf {{ {{{ P }}} vf #() {{{ x, RET #x; Φ x }}} }};
<?> (vg : val),
......@@ -95,64 +95,64 @@ Fixpoint prot_lock (n : nat) : iProto Σ :=
end%proto.
(** Specs and proofs of the respective programs *)
Lemma prog1_spec : {{{ True }}} prog1 #() {{{ RET #42; True }}}.
Lemma prog_spec : {{{ True }}} prog #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot1); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot); iIntros (c) "Hc".
- by wp_send with "[]".
- wp_recv as "_". by iApply "HΦ".
Qed.
Lemma prog1_ref_spec : {{{ True }}} prog1_ref #() {{{ RET #42; True }}}.
Lemma prog_ref_spec : {{{ True }}} prog_ref #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot1_ref); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot_ref); iIntros (c) "Hc".
- wp_alloc l as "Hl". by wp_send with "[$Hl]".
- wp_recv (l) as "Hl". wp_load. by iApply "HΦ".
Qed.
Lemma prog1_del_spec : {{{ True }}} prog1_del #() {{{ RET #42; True }}}.
Lemma prog_del_spec : {{{ True }}} prog_del #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot1_del); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot_del); iIntros (c) "Hc".
- wp_apply (new_chan_proto_spec with "[//]").
iIntros (c2 c2') "Hcc2". iMod ("Hcc2" $! prot1) as "[Hc2 Hc2']".
iIntros (c2 c2') "Hcc2". iMod ("Hcc2" $! prot) as "[Hc2 Hc2']".
wp_send with "[$Hc2]". by wp_send with "[]".
- wp_recv (c2) as "Hc2". wp_recv as "_". by iApply "HΦ".
Qed.
Lemma prog2_spec : {{{ True }}} prog2 #() {{{ RET #42; True }}}.
Lemma prog_dep_spec : {{{ True }}} prog_dep #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot2); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot_dep); iIntros (c) "Hc".
- wp_recv (x) as "_". by wp_send with "[]".
- wp_send with "[//]". wp_recv as "_". by iApply "HΦ".
Qed.
Lemma prog2_ref_spec : {{{ True }}} prog2_ref #() {{{ RET #42; True }}}.
Lemma prog2_ref_spec : {{{ True }}} prog_dep_ref #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot2_ref); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot_dep_ref); iIntros (c) "Hc".
- wp_recv (l x) as "Hl". wp_load. wp_store. by wp_send with "[Hl]".
- wp_alloc l as "Hl". wp_send with "[$Hl]". wp_recv as "Hl". wp_load.
by iApply "HΦ".
Qed.
Lemma prog2_del_spec : {{{ True }}} prog2_del #() {{{ RET #42; True }}}.
Lemma prog_dep_del_spec : {{{ True }}} prog_dep_del #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot2_del); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot_dep_del); iIntros (c) "Hc".
- wp_apply (new_chan_proto_spec with "[//]").
iIntros (c2 c2') "Hcc2". iMod ("Hcc2" $! prot2) as "[Hc2 Hc2']".
iIntros (c2 c2') "Hcc2". iMod ("Hcc2" $! prot_dep) as "[Hc2 Hc2']".
wp_send with "[$Hc2]". wp_recv (x) as "_". by wp_send with "[]".
- wp_recv (c2) as "Hc2". wp_send with "[//]". wp_recv as "_".
by iApply "HΦ".
Qed.
Lemma prog3_spec : {{{ True }}} prog3 #() {{{ RET #42; True }}}.
Lemma prog_fun_spec : {{{ True }}} prog_fun #() {{{ RET #42; True }}}.
Proof.
iIntros (Φ) "_ HΦ". wp_lam.
wp_apply (start_chan_proto_spec prot3); iIntros (c) "Hc".
wp_apply (start_chan_proto_spec prot_fun); iIntros (c) "Hc".
- wp_recv (P Ψ vf) as "#Hf". wp_send with "[]"; last done.
iIntros "!>" (Ψ') "HP HΨ'". wp_apply ("Hf" with "HP"); iIntros (x) "HΨ".
wp_pures. by iApply "HΨ'".
......
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