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[smlnj] Diff of /sml/trunk/src/cm/main/filename-policy.sml
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Diff of /sml/trunk/src/cm/main/filename-policy.sml

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revision 353, Thu Jun 24 09:43:28 1999 UTC revision 354, Fri Jun 25 08:36:12 1999 UTC
# Line 13  Line 13 
13      val colocate : policyMaker      val colocate : policyMaker
14      val separate : string -> policyMaker      val separate : string -> policyMaker
15    
16      val mkBinPath : policy -> AbsPath.t -> AbsPath.t      val mkBinName : policy -> SrcPath.t -> string
17      val mkSkelPath : policy -> AbsPath.t -> AbsPath.t      val mkSkelName : policy -> SrcPath.t -> string
18      val mkStablePath : policy -> AbsPath.t -> AbsPath.t      val mkStableName : policy -> SrcPath.t -> string
19  end  end
20    
21  functor FilenamePolicyFn (val cmdir : string  functor FilenamePolicyFn (val cmdir : string
22                            val skeldir : string) :> FILENAMEPOLICY = struct                            val skeldir : string) :> FILENAMEPOLICY = struct
23    
24      type converter = AbsPath.t -> AbsPath.t      type converter = SrcPath.t -> string
25    
26      type policy = { bin: converter, skel: converter, stable: converter }      type policy = { bin: converter, skel: converter, stable: converter }
27      type policyMaker = { arch: string, os: SMLofNJ.SysInfo.os_kind } -> policy      type policyMaker = { arch: string, os: SMLofNJ.SysInfo.os_kind } -> policy
# Line 32  Line 32 
32        | kind2name SMLofNJ.SysInfo.UNIX = "unix"        | kind2name SMLofNJ.SysInfo.UNIX = "unix"
33        | kind2name SMLofNJ.SysInfo.WIN32 = "win32"        | kind2name SMLofNJ.SysInfo.WIN32 = "win32"
34    
35      fun mkPolicy shift { arch, os } = let      fun mkPolicy shiftname { arch, os } = let
36          fun cmpath d s = let          fun cmname d s = let
37              val { dir = d0, file = f } = AbsPath.splitDirFile s              val { dir = d0, file = f } = OS.Path.splitDirFile s
38              val d1 = AbsPath.joinDirFile { dir = d0, file = cmdir }              val d1 = OS.Path.joinDirFile { dir = d0, file = cmdir }
39              val d2 = AbsPath.joinDirFile { dir = d1, file = d }              val d2 = OS.Path.joinDirFile { dir = d1, file = d }
40          in          in
41              AbsPath.joinDirFile { dir = d2, file = f }              OS.Path.joinDirFile { dir = d2, file = f }
42          end          end
43          val archos = concat [arch, "-", kind2name os]          val archos = concat [arch, "-", kind2name os]
44          val archosdep = cmpath archos o shift          val skel = cmname skeldir o SrcPath.osstring
45            val archosdep = cmname archos o shiftname
46      in      in
47          { skel = cmpath skeldir, bin = archosdep, stable = archosdep }          { skel = skel, bin = archosdep, stable = archosdep }
48      end      end
49    
50      val colocate = mkPolicy (fn p => p)      val colocate = mkPolicy SrcPath.osstring
51    
52      fun separate root = let      fun separate root = let
53          fun shift p =          fun shiftname p =
54              case AbsPath.reAnchor (p, root) of              case SrcPath.reAnchoredName (p, root) of
55                  SOME p' => p'                  SOME s => s
56                | NONE => (Say.say ["Failure: ", AbsPath.name p,                | NONE => (Say.say ["Failure: ", SrcPath.descr p,
57                                    " is not an anchored path!\n"];                                    " is not an anchored path!\n"];
58                           raise Fail "bad path")                           raise Fail "bad path")
59      in      in
60          mkPolicy shift          mkPolicy shiftname
61      end      end
62    
63      fun mkBinPath (p: policy) s = #bin p s      fun mkBinName (p: policy) s = #bin p s
64      fun mkSkelPath (p: policy) s = #skel p s      fun mkSkelName (p: policy) s = #skel p s
65      fun mkStablePath (p: policy) s = #stable p s      fun mkStableName (p: policy) s = #stable p s
66  end  end
67    
68  structure FilenamePolicy =  structure FilenamePolicy =

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