nasm.c: correctly print errors once committed; assert errhold_stack empty

Properly format the error messages when we print them (oops!)

The errhold_stack should be empty after each pass. It may even be
worthwhile to make sure it is empty after each *line*, but do this
for now.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin (Intel) 2020-06-04 16:19:51 -07:00
parent c44709c964
commit 283bc92a92

View file

@ -1,4 +1,4 @@
/* ----------------------------------------------------------------------- *
/* ----------------------------------------------------------------------- *
*
* Copyright 1996-2020 The NASM Authors - All Rights Reserved
* See the file AUTHORS included with the NASM distribution for
@ -87,6 +87,7 @@ static const struct error_format errfmt_gnu = { ":", "", ": " };
static const struct error_format errfmt_msvc = { "(", ")", " : " };
static const struct error_format *errfmt = &errfmt_gnu;
static struct strlist *warn_list;
static struct nasm_errhold *errhold_stack;
unsigned int debug_nasm; /* Debugging messages? */
@ -1663,6 +1664,9 @@ static void assemble_file(const char *fname, struct strlist *depend_list)
preproc->cleanup_pass();
/* We better not be having an error hold still... */
nasm_assert(!errhold_stack);
if (global_offset_changed) {
switch (pass_type()) {
case PASS_OPT:
@ -1907,7 +1911,6 @@ struct nasm_errhold {
struct nasm_errhold *up;
struct nasm_errtext *head, **tail;
};
static struct nasm_errhold *errhold_stack;
static void nasm_free_error(struct nasm_errtext *et)
{
@ -2069,15 +2072,17 @@ static void nasm_issue_error(struct nasm_errtext *et)
pfx, et->msg, here, warnsuf);
} else {
/*
* If we have buffered warnings, and this is a non-warning,
* output them now.
* Actually output an error. If we have buffered
* warnings, and this is a non-warning, output them now.
*/
if (true_type >= ERR_NONFATAL && warn_list) {
strlist_write(warn_list, "\n", error_file);
strlist_free(&warn_list);
}
fprintf(error_file, "%s\n", et->msg);
fprintf(error_file, "%s%s%s%s%s%s%s\n",
file, linestr, errfmt->beforemsg,
pfx, et->msg, here, warnsuf);
}
}