The old code for keeping track of source file name and line was
confused as hell about ownership of the strings, and it is pretty
clear we leaked that information all over the place.
Instead, use a hash table to keep a copy of each string as necessary,
and simply make references to a string pool that we keep until the end
of the assembly session.
This pool probably should be unified with the list of dependency
files, and so on, but that is for the development branch.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
It can be hard to find errors inside potentially nested macros.
Show the mmacro expansion stack when printing diagnostics.
Note that a list file doesn't help for errors that are detected
before the code-generation pass.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
For consistency with ofmt/dfmt, change the listing structure
to "struct lfmt" and "lfmt" and move it to listing.h.
From master branch commit 8ac25aa020
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
We pass around a whole bunch of function pointers in arguments,
which then just get stashed in static variables. Clean this mess
up and in particular handle the error management in the preprocessor
using nasm_set_verror() which already exists.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
From master branch checkin 130736c0cf
Resolved Conflicts:
nasm.c
preproc-nop.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Replace all instances of ERR_FATAL or ERR_PANIC with nasm_fatal or
nasm_panic so the compiler knows that these functions cannot return,
*and* we trigger abort() if we were to ever violate that constraint.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
