diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2008-09-13 10:44:58 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-09-13 10:44:58 -0400 |
| commit | fd2079464d7b65430af09f2734fa55039006a3e3 (patch) | |
| tree | a82ea4c81cadfae6a2692d0004068301cb57aa5e /src | |
| parent | 83f4f01d3475248237bfea2e01d6e007c23153ff (diff) | |
Optimize immediate writes of query results
Diffstat (limited to 'src')
| -rw-r--r-- | src/cjr_print.sml | 2 | ||||
| -rw-r--r-- | src/mono_opt.sml | 13 | ||||
| -rw-r--r-- | src/mono_print.sml | 10 |
3 files changed, 19 insertions, 6 deletions
diff --git a/src/cjr_print.sml b/src/cjr_print.sml index c235d2a2..b90854a1 100644 --- a/src/cjr_print.sml +++ b/src/cjr_print.sml @@ -745,7 +745,7 @@ fun p_exp' par env (e, loc) = in box [string "(uw_begin_region(ctx), ", if wontLeakAnything then - string "uw_begin_regio(ctx), " + string "uw_begin_region(ctx), " else box [], string "({", diff --git a/src/mono_opt.sml b/src/mono_opt.sml index 373f5b27..64eef7e3 100644 --- a/src/mono_opt.sml +++ b/src/mono_opt.sml @@ -280,6 +280,19 @@ fun exp e = {disc = disc, result = (TRecord [], loc)}), loc) + | EWrite (EQuery {exps, tables, state, query, + initial = (EPrim (Prim.String ""), _), + body = (EStrcat ((EPrim (Prim.String s), _), + (EStrcat ((ERel 0, _), + e'), _)), _)}, loc) => + if CharVector.all Char.isSpace s then + EQuery {exps = exps, tables = tables, query = query, + state = (TRecord [], loc), + initial = (ERecord [], loc), + body = (optExp (EWrite e', loc), loc)} + else + e + | _ => e and optExp e = #1 (U.Exp.map {typ = typ, exp = exp} e) diff --git a/src/mono_print.sml b/src/mono_print.sml index 0b85e1c4..40abf7d7 100644 --- a/src/mono_print.sml +++ b/src/mono_print.sml @@ -193,11 +193,11 @@ fun p_exp' par env (e, _) = p_typ env t, string ")"] - | EStrcat (e1, e2) => box [p_exp' true env e1, - space, - string "^", - space, - p_exp' true env e2] + | EStrcat (e1, e2) => parenIf par (box [p_exp' true env e1, + space, + string "^", + space, + p_exp env e2]) | EWrite e => box [string "write(", p_exp env e, |