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Diff of /sml/trunk/HISTORY

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revision 1076, Tue Feb 19 15:47:18 2002 UTC revision 1085, Fri Feb 22 00:15:55 2002 UTC
# Line 13  Line 13 
13  Description:  Description:
14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16    Name: Allen Leung
17    Date: 2002/02/21 20:20:00 EST
18    Tag: leunga-20020221-peephole
19    
20    Regenerated the peephole files.  Some contained typos in the specification
21    and some didn't compile because of pretty printing bugs in the old version
22    of 'nowhere'.
23    
24    ----------------------------------------------------------------------
25    Name: Allen Leung
26    Date: 2002/02/19 20:20:00 EST
27    Tag: leunga-20020219-mlrisc-tools
28    Description:
29    
30       Minor bug fixes to the mlrisc-tools library:
31    
32       1.  Fixed up parsing colon suffixed keywords
33       2.  Added the ability to shut the error messages up
34       3.  Reimplemented the pretty printer and fixed up/improved
35           the pretty printing of handle and -> types.
36       4.  Fixed up generation of literal symbols in the nowhere tool.
37       5.  Added some SML keywords to to sml.sty
38    
39    ----------------------------------------------------------------------
40    Name: Matthias Blume
41    Date: 2002/02/19 16:20:00 EST
42    Tag: blume-20020219-cmffi
43    Description:
44    
45    A wild mix of changes, some minor, some major:
46    
47    * All C FFI-related libraries are now anchored under $c:
48        $/c.cm      --> $c/c.cm
49        $/c-int.cm  --> $c/internals/c-int.cm
50        $/memory.cm --> $c/memory/memory.cm
51    
52    * "make" tool (in CM) now treats its argument pathname slightly
53      differently:
54        1. If the native expansion is an absolute name, then before invoking
55           the "make" command on it, CM will apply OS.Path.mkRelative
56           (with relativeTo = OS.FileSys.getDir()) to it.
57        2. The argument will be passed through to subsequent phases of CM
58           processing without "going native".  In particular, if the argument
59           was an anchored path, then "make" will not lose track of that anchor.
60    
61    * Compiler backends now "know" their respective C calling conventions
62      instead of having to be told about it by ml-nlffigen.  This relieves
63      ml-nlffigen from one of its burdens.
64    
65    * The X86Backend has been split into X86CCallBackend and X86StdCallBackend.
66    
67    * Export C_DEBUG and C_Debug from $c/c.cm.
68    
69    * C type encoding in ml-nlffi-lib has been improved to model the conceptual
70      subtyping relationship between incomplete pointers and their complete
71      counterparts.  For this, ('t, 'c) ptr has been changed to 'o ptr --
72      with the convention of instantiating 'o with ('t, 'c) obj whenever
73      the pointer target type is complete.  In the incomplete case, 'o
74      will be instantiated with some "'c iobj" -- a type obtained by
75      using one of the functors PointerToIncompleteType or PointerToCompleteType.
76    
77      Operations that work on both incomplete and complete pointer types are
78      typed as taking an 'o ptr while operations that require the target to
79      be known are typed as taking some ('t, 'c) obj ptr.
80    
81      voidptr is now a bit "more concrete", namely "type voidptr = void ptr'"
82      where void is an eqtype without any values.  This makes it possible
83      to work on voidptr values using functions meant to operate on light
84      incomplete pointers.
85    
86    * As a result of the above, signature POINTER_TO_INCOMPLETE_TYPE has
87      been vastly simplified.
88    
89    ----------------------------------------------------------------------
90  Name: Matthias Blume  Name: Matthias Blume
91  Date: 2002/02/19 10:48:00 EST  Date: 2002/02/19 10:48:00 EST
92  Tag: blume-20020219-pqfix  Tag: blume-20020219-pqfix

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