Mercurial > urweb
annotate src/sql.sig @ 2203:39faa4a037f4
ML half of initial prototype. (Doesn't compile because there's no C yet.)
| author | Ziv Scully <ziv@mit.edu> |
|---|---|
| date | Tue, 25 Mar 2014 02:04:06 -0400 |
| parents | |
| children | 01c8aceac480 |
| rev | line source |
|---|---|
| ziv@2203 | 1 signature SQL = sig |
| ziv@2203 | 2 |
| ziv@2203 | 3 val fu : Mono.file -> unit |
| ziv@2203 | 4 |
| ziv@2203 | 5 val debug : bool ref |
| ziv@2203 | 6 |
| ziv@2203 | 7 type lvar |
| ziv@2203 | 8 |
| ziv@2203 | 9 datatype func = |
| ziv@2203 | 10 DtCon0 of string |
| ziv@2203 | 11 | DtCon1 of string |
| ziv@2203 | 12 | UnCon of string |
| ziv@2203 | 13 | Other of string |
| ziv@2203 | 14 |
| ziv@2203 | 15 datatype exp = |
| ziv@2203 | 16 Const of Prim.t |
| ziv@2203 | 17 | Var of int |
| ziv@2203 | 18 | Lvar of lvar |
| ziv@2203 | 19 | Func of func * exp list |
| ziv@2203 | 20 | Recd of (string * exp) list |
| ziv@2203 | 21 | Proj of exp * string |
| ziv@2203 | 22 |
| ziv@2203 | 23 datatype reln = |
| ziv@2203 | 24 Known |
| ziv@2203 | 25 | Sql of string |
| ziv@2203 | 26 | PCon0 of string |
| ziv@2203 | 27 | PCon1 of string |
| ziv@2203 | 28 | Eq |
| ziv@2203 | 29 | Ne |
| ziv@2203 | 30 | Lt |
| ziv@2203 | 31 | Le |
| ziv@2203 | 32 | Gt |
| ziv@2203 | 33 | Ge |
| ziv@2203 | 34 |
| ziv@2203 | 35 datatype prop = |
| ziv@2203 | 36 True |
| ziv@2203 | 37 | False |
| ziv@2203 | 38 | Unknown |
| ziv@2203 | 39 | And of prop * prop |
| ziv@2203 | 40 | Or of prop * prop |
| ziv@2203 | 41 | Reln of reln * exp list |
| ziv@2203 | 42 | Cond of exp * prop |
| ziv@2203 | 43 |
| ziv@2203 | 44 datatype ('a, 'b) sum = inl of 'a | inr of 'b |
| ziv@2203 | 45 |
| ziv@2203 | 46 datatype Rel = |
| ziv@2203 | 47 Exps of exp * exp -> prop |
| ziv@2203 | 48 | Props of prop * prop -> prop |
| ziv@2203 | 49 |
| ziv@2203 | 50 datatype sqexp = |
| ziv@2203 | 51 SqConst of Prim.t |
| ziv@2203 | 52 | SqTrue |
| ziv@2203 | 53 | SqFalse |
| ziv@2203 | 54 | SqNot of sqexp |
| ziv@2203 | 55 | Field of string * string |
| ziv@2203 | 56 | Computed of string |
| ziv@2203 | 57 | Binop of Rel * sqexp * sqexp |
| ziv@2203 | 58 | SqKnown of sqexp |
| ziv@2203 | 59 | Inj of Mono.exp |
| ziv@2203 | 60 | SqFunc of string * sqexp |
| ziv@2203 | 61 | Unmodeled |
| ziv@2203 | 62 | Null |
| ziv@2203 | 63 |
| ziv@2203 | 64 datatype sitem = |
| ziv@2203 | 65 SqField of string * string |
| ziv@2203 | 66 | SqExp of sqexp * string |
| ziv@2203 | 67 |
| ziv@2203 | 68 type query1 |
| ziv@2203 | 69 |
| ziv@2203 | 70 datatype query = |
| ziv@2203 | 71 Query1 of query1 |
| ziv@2203 | 72 | Union of query * query |
| ziv@2203 | 73 |
| ziv@2203 | 74 datatype dml = |
| ziv@2203 | 75 Insert of string * (string * sqexp) list |
| ziv@2203 | 76 | Delete of string * sqexp |
| ziv@2203 | 77 | Update of string * (string * sqexp) list * sqexp |
| ziv@2203 | 78 |
| ziv@2203 | 79 end |