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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(* $Id$ *)
Require Export LogicSyntax.
Require Export Specif.
(* Parsing of things in Specif.v *)
Grammar constr constr1 :=
sig [ "{" lconstr($lc) ":" lconstr($c1) "|" lconstr($c2) "}" ]
-> [ (sig $c1 [$lc : $c1]$c2) ]
| sig2 [ "{" lconstr($lc) ":" lconstr($c1)
"|" lconstr($c2) "&" lconstr($c3) "}" ]
-> [ (sig2 $c1 [$lc : $c1]$c2 [$lc : $c1]$c3) ]
| sigS [ "{" lconstr($lc) ":" lconstr($c1) "&" lconstr($c2) "}" ]
-> [ (sigS $c1 [$lc : $c1]$c2) ]
| sigS2 [ "{" lconstr($lc) ":" lconstr($c1)
"&" lconstr($c2) "&" lconstr($c3) "}" ]
-> [ (sigS2 $c1 [$lc : $c1]$c2 [$lc : $c1]$c3) ].
Grammar constr constr1: ast :=
squash [ "{" lconstr($lc) "}" ] -> [(SQUASH $lc)].
Grammar constr lassoc_constr4 :=
squash_sum
[ lassoc_constr4($c1) "+" lassoc_constr4($c2) ] ->
case [$c2] of
(SQUASH $T2) ->
case [$c1] of
(SQUASH $T1) -> [ (sumbool $T1 $T2) ] (* {T1}+{T2} *)
| $_ -> [ (sumor $c1 $T2) ] (* c1+{T2} *)
esac
| $_ -> [ (sum $c1 $c2) ] (* c1+c2 *)
esac.
(* Pretty-printing of things in Specif.v *)
Syntax constr
(* Default pretty-printing rules *)
level 10:
sig_var
[<<(ABSTR_B_NB $c1 $c2)>>] -> [ [<hov 0> "sig " $c1:L [1 1] $c2:L ] ]
| sig2_var
[<<(Sig2_ABSTR_B_NB $c1 $c2)>>] -> [ [<hov 0> "sig2 " $c1:L [1 1] $c2:L ] ]
| sigS_var
[<<(SigS_ABSTR_B_NB $c1 $c2)>>] -> [ [<hov 0> "sigS " $c1:L [1 1] $c2:L ] ]
| sigS2_var [<<(SigS2_ABSTR_B_NB $c1 $c2 $c3)>>]
-> [ [<hov 0> "sigS2 " $c1:L [1 1] $c2:L [1 1] $c3:L] ]
;
level 1:
(* Pretty-printing of [sig] *)
sig [ (sig $c1 $c2) ] -> [ (ABSTR_B_NB $c1 $c2):E ]
| sig_nb [ << (ABSTR_B_NB $c1 (LAMBDALIST $c1 [<>]$c2)) >> ]
-> [ [<hov 0> "{_:" $c1:E " |" [1 3] $c2:E "}" ] ]
| sigma_b [ << (ABSTR_B_NB $c1 (LAMBDALIST $c1 [$id]$c2)) >> ]
-> [ [<hov 0> "{" $id ":" $c1:E " |" [1 3] $c2:E "}" ] ]
(* Pretty-printing of [sig2] *)
| sig2 [ (sig2 $c1 $c2 $c3) ] -> [ (Sig2_ABSTR_B_NB $c1 $c2 $c3):E ]
| sig2_b_b
[ << (Sig2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [$id]$c2)
(LAMBDALIST $c1 [$id]$c3)) >> ]
-> [ [<hov 0> "{"$id":"$c1:E"|" [1 3]$c2:E [1 3]"& "$c3:E "}" ] ]
| sig2_nb_b
[ << (Sig2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [<>]$c2)
(LAMBDALIST $c1 [$id]$c3)) >> ]
-> [ [<hov 0> "{"$id":"$c1:E"|" [1 3]$c2:E [1 3]"& "$c3:E "}" ] ]
| sig2_b_nb
[ << (Sig2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [$id]$c2)
(LAMBDALIST $c1 [<>]$c3)) >> ]
-> [ [<hov 0> "{"$id":"$c1:E"|" [1 3]$c2:E [1 3]"& "$c3:E "}" ] ]
| sig2_nb_nb
[ << (Sig2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [<>]$c2)
(LAMBDALIST $c1 [<>]$c3)) >> ]
-> [ [<hov 0> "{_:"$c1:E "|" [1 3] $c2:E [1 3]"& " $c3:E "}" ] ]
(* Pretty-printing of [sigS] *)
| sigS [ (sigS $c1 $c2) ] -> [(SigS_ABSTR_B_NB $c1 $c2):E]
| sigS_nb [ << (SigS_ABSTR_B_NB $c1 (LAMBDALIST $c1 [<>]$c2)) >> ]
-> [ [<hov 0> "{_:" $c1:E [1 3]"& " $c2:E "}" ] ]
| sigS_b [ << (SigS_ABSTR_B_NB $c1 (LAMBDALIST $c1 [$id]$c2)) >> ]
-> [ [<hov 0> "{" $id ":" $c1:E [1 3] "& " $c2:E "}" ] ]
(* Pretty-printing of [sigS2] *)
| sigS2 [ (sigS2 $c1 $c2 $c3) ] -> [(SigS2_ABSTR_B_NB $c1 $c2 $c3):E]
| sigS2_b_b
[ << (SigS2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [$id]$c2)
(LAMBDALIST $c1 [$id]$c3)) >> ]
-> [ [<hov 0> "{"$id ":" $c1:E [1 3]"& "$c2:E [1 3]"& "$c3:E "}" ] ]
| sigS2_nb_b
[ << (SigS2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [<>]$c2)
(LAMBDALIST $c1 [$id]$c3)) >> ]
-> [ [<hov 0> "{"$id ":" $c1:E [1 3]"& "$c2:E [1 3]"& "$c3:E "}" ] ]
| sigS2_b_nb
[ << (SigS2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [$id]$c2)
(LAMBDALIST $c1 [<>]$c3)) >> ]
-> [ [<hov 0> "{"$id ":" $c1:E [1 3]"& "$c2:E [1 3]"& "$c3:E "}" ] ]
| sigS2_nb_nb
[ << (SigS2_ABSTR_B_NB $c1 (LAMBDALIST $c1 [<>]$c2)
(LAMBDALIST $c1 [<>]$c3)) >> ]
-> [ [<hov 0> "{_:"$c1:E [1 3]"& "$c2:E [1 3]"& "$c3:E "}" ] ]
(* Pretty-printing of [projS1] and [projS2] *)
| projS1_imp [ (projS1 ? ? $a) ] -> ["(ProjS1 " $a:E ")"]
| projS2_imp [ (projS2 ? ? $a) ] -> ["(ProjS2 " $a:E ")"]
;
(* Pretty-printing of [sumbool] and [sumor] *)
level 4:
sumbool [ (sumbool $t1 $t2) ]
-> [ [<hov 0> "{" $t1:E "}" [0 1] "+" "{" $t2:L "}"] ]
| sumor [ (sumor $t1 $t2) ]
-> [ [<hov 0> $t1:E [0 1] "+" "{" $t2:L "}"] ]
;
(* Pretty-printing of [except] *)
level 1:
Except_imp [ (except $1 $t2) ] -> [ [<hov 0> "Except " $t2 ] ]
(* Pretty-printing of [error] and [value] *)
| Error_imp [ (error $t1) ] -> [ [<hov 0> "Error" ] ]
| Value_imp [ (value $t1 $t2) ] -> [ [<hov 0> "(Value " $t2 ")" ] ].
|
