diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2009-04-30 15:10:13 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2009-04-30 15:10:13 -0400 |
| commit | d4646bbb7f107e3c773bec5e18fd44f435ac40ca (patch) | |
| tree | 5ce0fa4602a456daa6d78bcf1f1ea68fb73174dc /src | |
| parent | 72414e8531db237906a847fe1a7adaed4b000978 (diff) | |
List notations
Diffstat (limited to 'src')
| -rw-r--r-- | src/urweb.grm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/urweb.grm b/src/urweb.grm index a74a48c8..1e1fe2ed 100644 --- a/src/urweb.grm +++ b/src/urweb.grm @@ -933,6 +933,16 @@ eexp : eapps (eapps) | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right))) + | eterm DCOLON eexp (let + val loc = s (etermleft, eexpright) + in + (EApp ((EVar (["Basis"], "Cons", Infer), loc), + (ERecord [((CName "1", loc), + eterm), + ((CName "2", loc), + eexp)], loc)), loc) + end) + bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps) | UNIT LARROW eapps (let val loc = s (UNITleft, eappsright) @@ -1161,6 +1171,8 @@ eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright)) | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright)) + | LBRACK RBRACK (EVar (["Basis"], "Nil", Infer), s (LBRACKleft, RBRACKright)) + edecls : ([]) | edecl edecls (edecl :: edecls) @@ -1196,6 +1208,13 @@ branchs: ([]) pat : pterm (pterm) | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright)) + | pterm DCOLON pat (let + val loc = s (ptermleft, patright) + in + (PCon (["Basis"], "Cons", SOME (PRecord ([("1", pterm), + ("2", pat)], false), loc)), + loc) + end) pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright)) | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright)) @@ -1209,6 +1228,7 @@ pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple, false), s (LPARENleft, RPARENright)) + | LBRACK RBRACK (PCon (["Basis"], "Nil", NONE), s (LBRACKleft, RBRACKright)) rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false) | INT EQ pat ([(Int64.toString INT, pat)], false) |