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[diderot] Annotation of /branches/charisee_dev/src/compiler/high-to-mid/handleEin.sml
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Annotation of /branches/charisee_dev/src/compiler/high-to-mid/handleEin.sml

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1 : cchiw 2845 (* Expands probe ein
2 :     *
3 : jhr 3349 * This code is part of the Diderot Project (http://diderot-language.cs.uchicago.edu)
4 :     *
5 :     * COPYRIGHT (c) 2015 The University of Chicago
6 : cchiw 2845 * All rights reserved.
7 :     *)
8 :    
9 :     structure handleEin = struct
10 :    
11 :     local
12 :    
13 :     structure E = Ein
14 :     structure DstIL = MidIL
15 :     structure P=Printer
16 :     structure MidToS=MidToString
17 : cchiw 3325 structure L=LiftEin
18 : cchiw 2845 in
19 :    
20 : cchiw 3355 val testinitial=0
21 : cchiw 3259 val testing=0
22 : cchiw 2845 fun testp n=(case testing
23 :     of 0=> 1
24 :     | _ =>(print(String.concat n);1)
25 :     (*end case*))
26 : cchiw 3166 fun test0 n=(case testinitial
27 : cchiw 3203 of 0=>testp n
28 : cchiw 3166 | _ => (print(String.concat n);1))
29 : cchiw 3324 fun toStringBind e= MidToS.toStringBind e
30 : cchiw 3271 fun useCount (HighIL.V{useCnt, ...}) = !useCnt
31 :     fun expandEinOp (srcy,bind00)=let
32 : cchiw 3350 (*val _=raise Fail"development branch- do not use"*)
33 : cchiw 3033 val star="************"
34 : cchiw 3344 val _=("\n Start"^star)
35 : cchiw 3260 val _ =test0[star,"\n Original EinApp",star,"\n\n","start get test",toStringBind bind00]
36 : cchiw 3203 val (y,einapp as DstIL.EINAPP(Ein.EIN{params, index, body},args))=bind00
37 : cchiw 3166
38 : cchiw 3033
39 :     (* ************* Sweep for 0's'*********** *)
40 : cchiw 3203 val bodysweep=sweepEin.sweep body
41 : cchiw 3033 val ein1=Ein.EIN{params=params, index=index, body=bodysweep}
42 : cchiw 3203 val _=testp["Post Sweep\n",P.printbody bodysweep,"\n"]
43 : cchiw 3033
44 :    
45 : cchiw 3203 (* ************** distribute and push Summation*********** *)
46 :     val bind3 = (y,DstIL.EINAPP(SummationEin.main ein1,args))
47 : cchiw 3260 val _ =testp["\n\n summation \n\n =>", toStringBind bind3]
48 : cchiw 3033
49 : cchiw 3355 (*
50 :     (* **************** lift field phase ************* *)
51 : cchiw 3353
52 : cchiw 3344 val (einapp1,e2)=L.testLift bind3
53 :     val newbies5= Split.iterAll2(einapp1,e2)
54 :     val n =length(newbies5)
55 :     val _ = if (n > 10) then print("\n **** SPLIT Length"^(Int.toString(n))) else print ""
56 :    
57 : cchiw 3355 *)
58 : cchiw 3344
59 : cchiw 3166 (* **************** split phase ************* *)
60 : cchiw 3353
61 :     val (newbies5)= Split.splitEinApp(bind3,9)
62 : cchiw 3276 val _ =test0["\n\n Returning \n\n =>",
63 : cchiw 3344 String.concatWith",\n\t"(List.map toStringBind newbies5)]
64 : cchiw 3353
65 :    
66 : cchiw 3166 (* ************** ProbeEIN *********** *)
67 : cchiw 3189 (*gives probeEIN the set. Could split into a sepearate step*)
68 : cchiw 3174 val fieldset= einSet.EinSet.empty
69 : cchiw 3271 val isField = ref 0
70 :     val isFieldR = ref 0
71 :     val isReplaced = ref 0
72 : cchiw 3174 fun iter([],_)=[]
73 :     | iter(e1::es,fieldset)= let
74 : cchiw 3271 val (e2,fieldset,isFieldt,isReplacedt) = ProbeEin.expandEinOp(e1,fieldset)
75 :     val rtn=[e2]@(iter(es,fieldset))
76 :     val isFieldRt=if ((isFieldt+isReplacedt)=2) then 1 else 0
77 :     in (isField:=(!isField)+isFieldt;isReplaced:=(!isReplaced )+isReplacedt;
78 :     isFieldR:=(!isFieldR)+isFieldRt;rtn)
79 :     end
80 : cchiw 3174 val code=iter(newbies5, fieldset)
81 : cchiw 3271
82 :     val n= List.length(code)
83 :    
84 :     val _ = if (n>5)
85 : cchiw 3276 then (String.concat["\n\n",star,":Name:",HighIL.Var.name srcy ,
86 : cchiw 3271 ":VarCount(",Int.toString(useCount srcy),")",
87 :     "\n\t",star,"Pieces now: ",Int.toString (n),
88 :     " Fields:",Int.toString(!isField)," isReplaced:",Int.toString(!isReplaced),
89 :     " Replaced_Fields:",Int.toString(!isFieldR)
90 :     ,toStringBind bind3])
91 : cchiw 3276 else ""
92 : cchiw 3271
93 : cchiw 3033 val flatcode= List.foldr op@ [] code
94 : cchiw 3048 (*val _=List.map (fn(_,DstIL.EINAPP(e,_))=>checkEin.checkEIN e | _=> 1) flatcode*)
95 : cchiw 3344 val _=(star^"end")
96 : cchiw 3033 in
97 :     List.map (fn (y,rator)=> DstIL.ASSGN(y,rator)) flatcode
98 :     end
99 :    
100 : cchiw 2845 end; (* local *)
101 :    
102 :     end (* local *)

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