d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Distinguish the cases when a dup symbol is in different versions

Browse Source 
(evil, needs a error) or in the same version (harmless, deserves
a mere warning).

Noticed by:     grehan@, tinderbox
This commit is contained in:
Yaroslav Tykhiy 2007-10-18 10:32:28 +00:00
parent e83df45f27
commit 91fb7b9b19
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=172747
1 changed files with 24 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
share/mk/version_gen.awk
View File

@ -34,12 +34,12 @@
# version name.
# symbols[][] - array index by [version name, symbol index], contains
# names of symbols defined for each version.
# names[] - array index is symbol name and value is count,
# names[] - array index is symbol name and value is its first version seen,
# used to check for duplicate symbols and warn about them.
#
BEGIN {
brackets = 0;
errors = 0;
errors = warns = 0;
version_count = 0;
current_version = "";
stderr = "/dev/stderr";
@ -148,12 +148,30 @@ BEGIN {
count = versions[current_version];
versions[current_version]++;
symbols[current_version, count] = $1;
if (names[$1]++) {
printf("File %s, line %d: Duplicated symbol `%s'. " \
if ($1 in names && names[$1] != current_version) {
#
# A graver case when a dup symbol appears under
# different versions in the map. That can result
# in subtle problems with the library later.
#
printf("File %s, line %d: Duplicated symbol `%s' " \
"in version `%s', first seen in `%s'. " \
"Did you forget to move it to ObsoleteVersions?\n",
filename, FNR, $1) > stderr;
filename, FNR, $1,
current_version, names[$1]) > stderr;
errors++;
}
else if (names[$1] == current_version) {
#
# A harmless case: a dup symbol with the same version.
#
printf("File %s, line %d: warning: " \
"Duplicated symbol `%s' in version `%s'.\n",
filename, FNR, $1, current_version) > stderr;
warns++;
}
else
names[$1] = current_version;
}
else {
printf("File %s, line %d: Symbol `%s' outside version scope.\n",
@ -221,7 +239,7 @@ function print_version(v)
END {
if (errors) {
printf("%d errors total.\n", errors) > stderr;
printf("%d error(s) total.\n", errors) > stderr;
exit(1);
}
# OK, no errors.