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revision 1.34 by akim, Wed Aug 15 11:47:40 2001 UTC revision 1.35 by gary, Thu Aug 16 22:21:30 2001 UTC
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1    2001-08-16  Gary V. Vaughan  <gary@gnu.org>
2    
3            m4_modules are no more, we use lt_dlhandles directly and let
4            latest libltdl features manage the list of loaded modules.
5            * acinclude.m4: Regenerated.
6            * m4/ltdl.c: Updated from master copy.
7            * m4/module.c: Reimplemented to take advantage of advances in
8            libltdl.
9            * m4/builtin.c (m4_builtin_find_by_name): Traverse loaded module
10            list with lt_dlhandle_next.
11            (m4_builtin_find_by_func): Ditto.
12            (m4_builtin_table_install): Use lt_dlhandle.
13            (m4_macro_define): Ditto.
14            (m4_macro_table_install): Ditto.
15            m4/module.h: Prototype new module management API.
16            (m4_modules): No longer required.
17            (m4_module_init_t, m4_module_finish_t): POSIX namespace
18            violations, renamed to...
19            (m4_module_init_func, m4_module_finish_func): ...these,
20            respectively.
21            (M4INIT_HANDLER): Clean way to declare init functions in modules.
22            (M4FINISH_HANDLER):  And similarly for finish functions.
23            * m4/system.h (_CONC): Used by M4INIT_HANDLER and M4FINISH_HANDLER
24            -- Add indirection to the CONC macro so that arguments are
25            correctly expanded.
26            * modules/modtest.c (m4_init_module):  Replaced with M4INIT_HANDLER.
27            * modules/shadow.c (m4_init_module):  Ditto.
28            Due to new init function semantics, be careful to perform the
29            initialisation only on first load.
30            * modules/perl.c (m4_init_module):  Ditto. And Ditto.
31            (m4_finish_module): Replaced with M4FINISH_HANDLER.
32            Due to new finish function semantics, be careful to perform the
33            finalisation only on first load.
34            * m4/m4private.h (m4_module): Removed in favour of...
35            (m4_module_data): ...structure without all the wrapper fields.
36            Instances of this new structure are stored associated lt_dlhandles
37            with lt_dlcaller_data_set().
38            * m4/builtin.c (m4_builtin_define): Takes a handle argument
39            instead of the old module argument.
40            (m4_builtin_table_install): Ditto.
41            * modules/load.c (m4_resident_module):  Removed.  This is no
42            longer implemented as a magic symbol...
43            * modules/m4.c (m4_resident_module): Ditto.
44            * modules/load.c (M4INIT_HANDLER): ...the module init function now
45            uses the ltdl api to make the module resident.
46            * modules/m4.c (M4INIT_HANDLER): Ditto.
47            * modules/load.c (builtin_modules): Traverse the loaded module
48            list with lt_dlhandle_next.
49            (builtin_load): Much simplified in light of the reimplemented
50            module loader.
51            * src/freeze.c (produce_module_dump):  Cleaned up and optimised in
52            light of the m4/module.c rewrite.
53            (produce_symbol_dump): Ditto.
54            (reload_frozen_state): Ditto.
55            * m4/list.c, m4/list.h: Files deleted.  No longer required.
56            * m4/Makefile.am (pkginc_HEADERS): Delete list.h reference.
57            (libm4_la_SOURCES): Delete list.c reference.
58            * m4/m4private.h (m4_token_data):  Add a handle field.  This
59            eliminates many of the searches to find the handle associated with
60            various tokens that are passed between functions.
61            (struct m4_symbol):  Removed the module field.  The
62            module association does not belong with the symbol...
63            * m4/input.c (struct m4_builtin): ...it belongs with the builtin
64            that the module implementation code is from.  Added a handle
65            field.
66            (m4_push_macro): Add a `handle' argument.  Changed all callers.
67            (init_macro_token):  Set the `handle' field for the
68            m4_token_data.
69            * m4/macro.c (expand_argument): Copy the new handle field during
70            reassignment.
71            * modules/m4.c (macro_install): Use the new handle field to
72            optimise the search for the correct builtin structure, and pass
73            the handle details to m4_builtin_define.
74    
75  2001-08-15  Akim Demaille  <akim@epita.fr>  2001-08-15  Akim Demaille  <akim@epita.fr>
76    
77          * config/gnu-obstack.m4 (M4_AC_FUNC_OBSTACK): Be sure `m4/' exists          * config/gnu-obstack.m4 (M4_AC_FUNC_OBSTACK): Be sure `m4/' exists

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