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Diff of /sml/trunk/HISTORY

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revision 1076, Tue Feb 19 15:47:18 2002 UTC revision 1086, Fri Feb 22 05:56:29 2002 UTC
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13  Description:  Description:
14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16    Name: Allen Leung
17    Date: 2002/02/22 01:02:00 EST
18    Tag: leunga-20020222-mlrisc-tools
19    
20    Minor bug fixes in the parser and rewriter
21    
22    ----------------------------------------------------------------------
23    Name: Allen Leung
24    Date: 2002/02/21 20:20:00 EST
25    Tag: leunga-20020221-peephole
26    
27    Regenerated the peephole files.  Some contained typos in the specification
28    and some didn't compile because of pretty printing bugs in the old version
29    of 'nowhere'.
30    
31    ----------------------------------------------------------------------
32    Name: Allen Leung
33    Date: 2002/02/19 20:20:00 EST
34    Tag: leunga-20020219-mlrisc-tools
35    Description:
36    
37       Minor bug fixes to the mlrisc-tools library:
38    
39       1.  Fixed up parsing colon suffixed keywords
40       2.  Added the ability to shut the error messages up
41       3.  Reimplemented the pretty printer and fixed up/improved
42           the pretty printing of handle and -> types.
43       4.  Fixed up generation of literal symbols in the nowhere tool.
44       5.  Added some SML keywords to to sml.sty
45    
46    ----------------------------------------------------------------------
47    Name: Matthias Blume
48    Date: 2002/02/19 16:20:00 EST
49    Tag: blume-20020219-cmffi
50    Description:
51    
52    A wild mix of changes, some minor, some major:
53    
54    * All C FFI-related libraries are now anchored under $c:
55        $/c.cm      --> $c/c.cm
56        $/c-int.cm  --> $c/internals/c-int.cm
57        $/memory.cm --> $c/memory/memory.cm
58    
59    * "make" tool (in CM) now treats its argument pathname slightly
60      differently:
61        1. If the native expansion is an absolute name, then before invoking
62           the "make" command on it, CM will apply OS.Path.mkRelative
63           (with relativeTo = OS.FileSys.getDir()) to it.
64        2. The argument will be passed through to subsequent phases of CM
65           processing without "going native".  In particular, if the argument
66           was an anchored path, then "make" will not lose track of that anchor.
67    
68    * Compiler backends now "know" their respective C calling conventions
69      instead of having to be told about it by ml-nlffigen.  This relieves
70      ml-nlffigen from one of its burdens.
71    
72    * The X86Backend has been split into X86CCallBackend and X86StdCallBackend.
73    
74    * Export C_DEBUG and C_Debug from $c/c.cm.
75    
76    * C type encoding in ml-nlffi-lib has been improved to model the conceptual
77      subtyping relationship between incomplete pointers and their complete
78      counterparts.  For this, ('t, 'c) ptr has been changed to 'o ptr --
79      with the convention of instantiating 'o with ('t, 'c) obj whenever
80      the pointer target type is complete.  In the incomplete case, 'o
81      will be instantiated with some "'c iobj" -- a type obtained by
82      using one of the functors PointerToIncompleteType or PointerToCompleteType.
83    
84      Operations that work on both incomplete and complete pointer types are
85      typed as taking an 'o ptr while operations that require the target to
86      be known are typed as taking some ('t, 'c) obj ptr.
87    
88      voidptr is now a bit "more concrete", namely "type voidptr = void ptr'"
89      where void is an eqtype without any values.  This makes it possible
90      to work on voidptr values using functions meant to operate on light
91      incomplete pointers.
92    
93    * As a result of the above, signature POINTER_TO_INCOMPLETE_TYPE has
94      been vastly simplified.
95    
96    ----------------------------------------------------------------------
97  Name: Matthias Blume  Name: Matthias Blume
98  Date: 2002/02/19 10:48:00 EST  Date: 2002/02/19 10:48:00 EST
99  Tag: blume-20020219-pqfix  Tag: blume-20020219-pqfix

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