diff options
Diffstat (limited to 'src/urweb.grm')
| -rw-r--r-- | src/urweb.grm | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/src/urweb.grm b/src/urweb.grm index be67ea7b..21030b4d 100644 --- a/src/urweb.grm +++ b/src/urweb.grm @@ -304,12 +304,13 @@ datatype attr = Class of exp | Normal of con * exp | query of exp | query1 of exp - | tables of (con * exp) list + | tables of con list * exp | tname of con | tnameW of con * con | tnames of (con * con) * (con * con) list | tnames' of (con * con) * (con * con) list | table of con * exp + | table' of con * exp | tident of con | fident of con | seli of select_item @@ -1356,15 +1357,15 @@ query1 : SELECT select FROM tables wopt gopt hopt val (sel, exps) = case select of - Star => (map (fn (nm, _) => + Star => (map (fn nm => (nm, (CTuple [(CWild (KRecord (KType, loc), loc), loc), (CRecord [], loc)], - loc))) tables, + loc))) (#1 tables), []) | Items sis => let - val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables + val tabs = map (fn nm => (nm, (CRecord [], loc))) (#1 tables) val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis in (map (fn (nm, c) => (nm, @@ -1383,8 +1384,8 @@ query1 : SELECT select FROM tables wopt gopt hopt loc), loc)), loc) | SOME gis => let - val tabs = map (fn (nm, _) => - (nm, (CRecord [], loc))) tables + val tabs = map (fn nm => + (nm, (CRecord [], loc))) (#1 tables) val tabs = foldl (amend_group loc) tabs gis val tabs = map (fn (nm, c) => @@ -1400,7 +1401,7 @@ query1 : SELECT select FROM tables wopt gopt hopt val e = (EVar (["Basis"], "sql_query1", Infer), loc) val re = (ERecord [((CName "From", loc), - (ERecord tables, loc)), + #2 tables), ((CName "Where", loc), wopt), ((CName "GroupBy", loc), @@ -1421,8 +1422,16 @@ query1 : SELECT select FROM tables wopt gopt hopt | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right))) | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right))) -tables : table ([table]) - | table COMMA tables (table :: tables) +tables : table' ([#1 table'], #2 table') + | table' COMMA tables (let + val loc = s (table'left, tablesright) + + val e = (EVar (["Basis"], "sql_from_comma", Infer), loc) + val e = (EApp (e, #2 table'), loc) + in + (#1 table' :: #1 tables, + (EApp (e, #2 tables), loc)) + end) tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) | LBRACE cexp RBRACE (cexp) @@ -1432,6 +1441,14 @@ table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLle | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))) | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp) +table' : table (let + val loc = s (tableleft, tableright) + val e = (EVar (["Basis"], "sql_from_table", Infer), loc) + val e = (ECApp (e, #1 table), loc) + in + (#1 table, (EApp (e, #2 table), loc)) + end) + tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)) | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) | LBRACE LBRACE cexp RBRACE RBRACE (cexp) |