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[smlnj] Annotation of /sml/trunk/src/cm/depend/ggraph.sml
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Annotation of /sml/trunk/src/cm/depend/ggraph.sml

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1 : blume 294 (*
2 :     * Internal data structure representing a CM dependency graph.
3 :     * (coarse-grain: groups)
4 :     *
5 :     * (C) 1999 Lucent Technologies, Bell Laboratories
6 :     *
7 :     * Author: Matthias Blume (blume@kurims.kyoto-u.ac.jp)
8 :     *)
9 :     structure GroupGraph = struct
10 :    
11 :     type privileges = StringSet.set
12 :    
13 : blume 632 datatype libkind =
14 :     STABLE of unit -> unit (* pickle dropper *)
15 :     | DEVELOPED of { wrapped: privileges, subgroups: subgrouplist }
16 :    
17 :     and kind =
18 : blume 771 NOLIB of { owner: SrcPath.file option,
19 : blume 986 subgroups: subgrouplist }
20 : blume 632 | LIB of { version: Version.t option, kind: libkind }
21 : blume 305
22 :     (* the "required" field includes everything:
23 :     * 1. privileges required by subgroups
24 :     * 2. newly required privileges
25 : blume 348 * 3. privileges that would be wrapped once the group is stabilized
26 : blume 380 *)
27 : blume 537 and group =
28 : blume 294 GROUP of { exports: DependencyGraph.impexp SymbolMap.map,
29 : blume 348 kind: kind,
30 : blume 305 required: privileges,
31 : blume 666 grouppath: SrcPath.file,
32 : blume 642 sources: { class: string, derived: bool } SrcPathMap.map,
33 : blume 537 sublibs: subgrouplist }
34 : blume 587 | ERRORGROUP
35 : blume 537
36 : blume 666 withtype subgrouplist =
37 :     (SrcPath.file * (unit -> group) * SrcPath.rebindings) list
38 : blume 801 (* Note: "sublibs" consists of items where the SrcPath.file component
39 : blume 771 * is equivalent -- but not necessarily identical -- to the "grouppath"
40 :     * component of (the suspended) group. The group might have
41 : blume 801 * been known before -- in which case "grouppath" would carry the
42 :     * path that was used back *then* to refer to the group. But for
43 : blume 444 * the purpose of stabilization we must know the abstract path
44 : blume 801 * that was used *this* time. *)
45 : blume 294 end

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