author | wenzelm |
Sat, 29 May 2004 16:47:06 +0200 | |
changeset 14846 | b1fcade3880b |
parent 13099 | 4bb592cdde0e |
child 15425 | 6356d2523f73 |
permissions | -rw-r--r-- |
13099 | 1 |
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header {* \section{Concrete Syntax} *} |
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b115b305612f
New order in the loading of theories (Quote-antiquote right before the OG_Syntax and RG_Syntax respectively)
prensani
parents:
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changeset
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theory RG_Syntax = RG_Hoare + Quote_Antiquote: |
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syntax |
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"_Assign" :: "idt \<Rightarrow> 'b \<Rightarrow> 'a com" ("(\<acute>_ :=/ _)" [70, 65] 61) |
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"_skip" :: "'a com" ("SKIP") |
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"_Seq" :: "'a com \<Rightarrow> 'a com \<Rightarrow> 'a com" ("(_;;/ _)" [60,61] 60) |
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"_Cond" :: "'a bexp \<Rightarrow> 'a com \<Rightarrow> 'a com \<Rightarrow> 'a com" ("(0IF _/ THEN _/ ELSE _/FI)" [0, 0, 0] 61) |
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"_Cond2" :: "'a bexp \<Rightarrow> 'a com \<Rightarrow> 'a com" ("(0IF _ THEN _ FI)" [0,0] 56) |
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"_While" :: "'a bexp \<Rightarrow> 'a com \<Rightarrow> 'a com" ("(0WHILE _ /DO _ /OD)" [0, 0] 61) |
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"_Await" :: "'a bexp \<Rightarrow> 'a com \<Rightarrow> 'a com" ("(0AWAIT _ /THEN /_ /END)" [0,0] 61) |
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"_Atom" :: "'a com \<Rightarrow> 'a com" ("(\<langle>_\<rangle>)" 61) |
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"_Wait" :: "'a bexp \<Rightarrow> 'a com" ("(0WAIT _ END)" 61) |
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translations |
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"\<acute>\<spacespace>x := a" \<rightharpoonup> "Basic \<guillemotleft>\<acute>\<spacespace>(_update_name x a)\<guillemotright>" |
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"SKIP" \<rightleftharpoons> "Basic id" |
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"c1;; c2" \<rightleftharpoons> "Seq c1 c2" |
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"IF b THEN c1 ELSE c2 FI" \<rightharpoonup> "Cond .{b}. c1 c2" |
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"IF b THEN c FI" \<rightleftharpoons> "IF b THEN c ELSE SKIP FI" |
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"WHILE b DO c OD" \<rightharpoonup> "While .{b}. c" |
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"AWAIT b THEN c END" \<rightleftharpoons> "Await .{b}. c" |
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"\<langle>c\<rangle>" \<rightleftharpoons> "AWAIT True THEN c END" |
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"WAIT b END" \<rightleftharpoons> "AWAIT b THEN SKIP END" |
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nonterminals |
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prgs |
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syntax |
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"_PAR" :: "prgs \<Rightarrow> 'a" ("COBEGIN//_//COEND" 60) |
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"_prg" :: "'a \<Rightarrow> prgs" ("_" 57) |
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"_prgs" :: "['a, prgs] \<Rightarrow> prgs" ("_//\<parallel>//_" [60,57] 57) |
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translations |
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"_prg a" \<rightharpoonup> "[a]" |
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"_prgs a ps" \<rightharpoonup> "a # ps" |
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"_PAR ps" \<rightharpoonup> "ps" |
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syntax |
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"_prg_scheme" :: "['a, 'a, 'a, 'a] \<Rightarrow> prgs" ("SCHEME [_ \<le> _ < _] _" [0,0,0,60] 57) |
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translations |
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"_prg_scheme j i k c" \<rightleftharpoons> "(map (\<lambda>i. c) [j..k(])" |
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text {* Translations for variables before and after a transition: *} |
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syntax |
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"_before" :: "id \<Rightarrow> 'a" ("\<ordmasculine>_") |
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"_after" :: "id \<Rightarrow> 'a" ("\<ordfeminine>_") |
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translations |
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"\<ordmasculine>x" \<rightleftharpoons> "x \<acute>fst" |
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"\<ordfeminine>x" \<rightleftharpoons> "x \<acute>snd" |
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print_translation {* |
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let |
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fun quote_tr' f (t :: ts) = |
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Term.list_comb (f $ Syntax.quote_tr' "_antiquote" t, ts) |
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| quote_tr' _ _ = raise Match; |
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val assert_tr' = quote_tr' (Syntax.const "_Assert"); |
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fun bexp_tr' name ((Const ("Collect", _) $ t) :: ts) = |
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quote_tr' (Syntax.const name) (t :: ts) |
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| bexp_tr' _ _ = raise Match; |
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fun upd_tr' (x_upd, T) = |
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(case try (unsuffix RecordPackage.updateN) x_upd of |
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Some x => (x, if T = dummyT then T else Term.domain_type T) |
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| None => raise Match); |
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fun update_name_tr' (Free x) = Free (upd_tr' x) |
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| update_name_tr' ((c as Const ("_free", _)) $ Free x) = |
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c $ Free (upd_tr' x) |
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| update_name_tr' (Const x) = Const (upd_tr' x) |
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| update_name_tr' _ = raise Match; |
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fun assign_tr' (Abs (x, _, f $ t $ Bound 0) :: ts) = |
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quote_tr' (Syntax.const "_Assign" $ update_name_tr' f) |
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(Abs (x, dummyT, t) :: ts) |
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| assign_tr' _ = raise Match; |
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in |
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[("Collect", assert_tr'), ("Basic", assign_tr'), |
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("Cond", bexp_tr' "_Cond"), ("While", bexp_tr' "_While_inv")] |
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end |
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*} |
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end |