SCM Repository
Annotation of /trunk/src/compiler/translate/translate.sml
Parent Directory
| 
Revision Log
Revision 176 - (view) (download)
| 1 : | jhr | 137 | (* translate.sml |
| 2 : | * | ||
| 3 : | * COPYRIGHT (c) 2010 The Diderot Project (http://diderot.cs.uchicago.edu) | ||
| 4 : | * All rights reserved. | ||
| 5 : | * | ||
| 6 : | jhr | 176 | * Translate Simple-AST code into the IL representation. |
| 7 : | jhr | 137 | *) |
| 8 : | |||
| 9 : | structure Translate : sig | ||
| 10 : | |||
| 11 : | jhr | 176 | val translate : Simple.program -> HighIL.program |
| 12 : | jhr | 137 | |
| 13 : | end = struct | ||
| 14 : | |||
| 15 : | jhr | 176 | structure S = Simple |
| 16 : | jhr | 137 | structure VMap = Var.Map |
| 17 : | jhr | 168 | structure IL = HighIL |
| 18 : | jhr | 137 | |
| 19 : | jhr | 176 | fun lookup env x = (case VMap.find x |
| 20 : | of SOME x' => x' | ||
| 21 : | | NONE => raise Fail(concat[ | ||
| 22 : | "no binding for ", Var.toString x, " in environment" | ||
| 23 : | ]) | ||
| 24 : | (* end case *)) | ||
| 25 : | |||
| 26 : | jhr | 168 | (* expression translation *) |
| 27 : | jhr | 176 | fun cvtExpr (env, exp) = (case exp |
| 28 : | of S.E_Var x => IL.VAR(lookup env x) | ||
| 29 : | | S.E_Lit lit => IL.LIT lit | ||
| 30 : | | S.E_Tuple xs => raise Fail "E_Tuple not implemeted" | ||
| 31 : | | S.E_Apply(f, tyArgs, args, ty) => | ||
| 32 : | | S.E_Cons args => IL.CONS(List.map (lookup env) args) | ||
| 33 : | (* end case *)) | ||
| 34 : | jhr | 168 | |
| 35 : | and cvtStmt (env, stm) = (case stm | ||
| 36 : | jhr | 176 | of S.S_Block stms => |
| 37 : | | S.S_Assign(x, e) => | ||
| 38 : | | S.S_IfThenElse(x, s1, s2) => | ||
| 39 : | | S.S_New(name, xs) => | ||
| 40 : | | S.S_Die => | ||
| 41 : | | S.S_Stabilize => | ||
| 42 : | jhr | 168 | (* end case *)) |
| 43 : | |||
| 44 : | jhr | 176 | fun translate (S.Program{globals, globaInit, actors}) = ?? |
| 45 : | |||
| 46 : | jhr | 137 | end |
| root@smlnj-gforge.cs.uchicago.edu | ViewVC Help |
| Powered by ViewVC 1.0.0 |
