diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2008-12-09 14:41:19 -0500 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-12-09 14:41:19 -0500 |
| commit | 5108a7e86734b335b65b9efd60a7f2f2797b602b (patch) | |
| tree | 1bdcd341e3e43df6833972a5384b8552f8343039 /src/urweb.grm | |
| parent | 55fefa6122803e9739e9e71f1d50eae671665df4 (diff) | |
Add SQL arithmetic operators
Diffstat (limited to 'src/urweb.grm')
| -rw-r--r-- | src/urweb.grm | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/src/urweb.grm b/src/urweb.grm index 3d77905e..7798b018 100644 --- a/src/urweb.grm +++ b/src/urweb.grm @@ -119,15 +119,6 @@ fun amend_group loc (gi, tabs) = fun sql_inject (v, loc) = (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc) -fun sql_compare (oper, sqlexp1, sqlexp2, loc) = - let - val e = (EVar (["Basis"], "sql_comparison", Infer), loc) - val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc) - val e = (EApp (e, sqlexp1), loc) - in - (EApp (e, sqlexp2), loc) - end - fun sql_binary (oper, sqlexp1, sqlexp2, loc) = let val e = (EVar (["Basis"], "sql_binary", Infer), loc) @@ -1239,16 +1230,24 @@ sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", In | LBRACE eexp RBRACE (eexp) - | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) - | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) - | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) - | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) - | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) - | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + + | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right))) + | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright))) + | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright))) | sqlexp IS NULL (let val loc = s (sqlexpleft, NULLright) |