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Add support for command line completion to mdb.
NEWS:
Document the change.
trace/mercury_trace_completion.{c,h}:
Define the framework for completion.
Examine command lines to determine which completers to use.
trace/mercury_trace_alias.{c,h}:
trace/mercury_trace_help.{c,h}:
trace/mercury_trace_internal.{c,h}:
trace/mercury_trace_tables.{c,h}:
trace/mercury_trace_vars.{c,h}:
Define context-specific completers.
trace/mercury_trace_help.c:
Record all help topics in an array for use by the completer.
trace/mercury_trace_internal.c:
Add completion information to the list of commands.
Add a function MR_trace_command_completion_info to access
that information.
runtime/mercury_wrapper.{c,h}
Add a runtime option `--force-readline', which tells mdb to
use readline even if MR_mdb_in is not a tty. This is needed
for tests/debugger/completion. `--force-readline' is not
documented because I'm not sure that it will work properly
in all situations (it's fine for the test).
Fix capitalisation in references to the Mercury User's Guide
in error messages.
trace/mercury_trace_readline.c:
Tell Readline to use our completer.
Handle `--force-readline'. Disable some Readline terminal
initialisation code which reports spurious warnings if the
input stream is not a tty.
trace/Mmakefile:
Add mercury_trace_completion.{c,h}.
runtime/mercury_array_macros.h:
Define a macro MR_find_first_match, which is like MR_bsearch
except that it finds the first match, not an arbitrary match.
runtime/mercury_memory.c:
Handle NULL pointers in MR_copy_string();
runtime/mercury_memory.h:
Add a macro MR_free_func which returns the address of free().
Used where it is necessary to pass the address of MR_free().
tests/debugger/Mmakefile:
tests/debugger/completion.m:
tests/debugger/completion.exp:
tests/debugger/completion.inp:
tests/debugger/completion.inputrc:
tests/debugger/completion.sub1.m:
tests/debugger/completion.sub2.m:
tests/debugger/completion.sub2.sub3.m:
Test case.
Reportedly Mercury does not work on Solaris 2.5.1 if it is compiled with
gcc 2.7.x. It should however work fine on Solaris 2.5.1 if you compile
it with gcc 2.8, or if you use gcc 2.7.x with an earlier version of Solaris.
The binary distribution for Solaris that we distribute was compiled
with gcc 2.7.2, so if you have Solaris 2.5.1, you may need to compile
Mercury yourself from our source distribution.
("Solaris 2.x" is also known as "SunOS 5.x".)