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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 357, Mon Jun 28 08:46:30 1999 UTC
# Line 11  Line 11 
11      type policyMaker = { arch: string, os: SMLofNJ.SysInfo.os_kind } -> policy      type policyMaker = { arch: string, os: SMLofNJ.SysInfo.os_kind } -> policy
12    
13      val colocate : policyMaker      val colocate : policyMaker
14      val separate : string -> policyMaker      val separate : { bindir: string, bootdir: 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    
20        val kind2name : SMLofNJ.SysInfo.os_kind -> string
21  end  end
22    
23  functor FilenamePolicyFn (val cmdir : string  functor FilenamePolicyFn (val cmdir : string
24                            val skeldir : string) :> FILENAMEPOLICY = struct                            val skeldir : string) :> FILENAMEPOLICY = struct
25    
26      type converter = AbsPath.t -> AbsPath.t      type converter = SrcPath.t -> string
27    
28      type policy = { bin: converter, skel: converter, stable: converter }      type policy = { bin: converter, skel: converter, stable: converter }
29      type policyMaker = { arch: string, os: SMLofNJ.SysInfo.os_kind } -> policy      type policyMaker = { arch: string, os: SMLofNJ.SysInfo.os_kind } -> policy
# Line 32  Line 34 
34        | kind2name SMLofNJ.SysInfo.UNIX = "unix"        | kind2name SMLofNJ.SysInfo.UNIX = "unix"
35        | kind2name SMLofNJ.SysInfo.WIN32 = "win32"        | kind2name SMLofNJ.SysInfo.WIN32 = "win32"
36    
37      fun mkPolicy shift { arch, os } = let      fun mkPolicy (shiftbin, shiftstable) { arch, os } = let
38          fun cmpath d s = let          fun cmname d s = let
39              val { dir = d0, file = f } = AbsPath.splitDirFile s              val { dir = d0, file = f } = OS.Path.splitDirFile s
40              val d1 = AbsPath.joinDirFile { dir = d0, file = cmdir }              val d1 = OS.Path.joinDirFile { dir = d0, file = cmdir }
41              val d2 = AbsPath.joinDirFile { dir = d1, file = d }              val d2 = OS.Path.joinDirFile { dir = d1, file = d }
42          in          in
43              AbsPath.joinDirFile { dir = d2, file = f }              OS.Path.joinDirFile { dir = d2, file = f }
44          end          end
45          val archos = concat [arch, "-", kind2name os]          val archos = concat [arch, "-", kind2name os]
         val archosdep = cmpath archos o shift  
46      in      in
47          { skel = cmpath skeldir, bin = archosdep, stable = archosdep }          { skel = cmname skeldir o SrcPath.osstring,
48              bin = cmname archos o shiftbin,
49              stable = cmname archos o shiftstable }
50      end      end
51    
52      val colocate = mkPolicy (fn p => p)      val colocate = mkPolicy (SrcPath.osstring, SrcPath.osstring)
53    
54      fun separate root = let      fun separate { bindir, bootdir } = let
55          fun shift p =          fun shiftname root p =
56              case AbsPath.reAnchor (p, root) of              case SrcPath.reAnchoredName (p, root) of
57                  SOME p' => p'                  SOME s => s
58                | NONE => (Say.say ["Failure: ", AbsPath.name p,                | NONE => (Say.say ["Failure: ", SrcPath.descr p,
59                                    " is not an anchored path!\n"];                                    " is not an anchored path!\n"];
60                           raise Fail "bad path")                           raise Fail "bad path")
61      in      in
62          mkPolicy shift          mkPolicy (shiftname bindir, shiftname bootdir)
63      end      end
64    
65      fun mkBinPath (p: policy) s = #bin p s      fun mkBinName (p: policy) s = #bin p s
66      fun mkSkelPath (p: policy) s = #skel p s      fun mkSkelName (p: policy) s = #skel p s
67      fun mkStablePath (p: policy) s = #stable p s      fun mkStableName (p: policy) s = #stable p s
68  end  end
69    
70  structure FilenamePolicy =  structure FilenamePolicy =

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