https://github.com/Kitware/CMake
Revision cb53d9309eb932e40fcdf3609eb050358ede2d17 authored by Brad King on 07 November 2022, 19:18:22 UTC, committed by Brad King on 07 November 2022, 19:24:24 UTC
When `cmStateSnapshot::RaiseScope` raises a variable in to a parent
directory scope, it uses `GetBuildsystemDirectoryParent` to find the
current top-most scope on the directory's stack.  Since commit 3f4e5e8c3d
(cmState: Return end snapshot for GetBuildsystemDirectoryParent.,
2015-09-01, v3.4.0-rc1~100^2~1), that depends on the `DirectoryEnd`
field in the directory's state.  However, when variable-only scopes were
added by commit 6954c8936f (cmState: Add a VariableScope snapshot type.,
2015-08-01, v3.4.0-rc1~179^2~1), we neglected to account for the
addition of that field by commit 52dbe654de (cmState: Record the end
position of each directory., 2015-08-01, v3.4.0-rc1~251^2~1).

Prior to commit 44a2f3f332 (Add new flow-control commands for variables
and policies scopes management, 2022-08-05, v3.25.0-rc1~257^2) this
problem went unnoticed because there was no way to have a variable scope
at the top of a directory's stack while processing a subdirectory. Now
the `block()/endblock()` commands enable the behavior, so fix tracking
of a variable scope as the top-most scope in a directory.

Fixes: #24138
1 parent 7c52e9e
History
Tip revision: cb53d9309eb932e40fcdf3609eb050358ede2d17 authored by Brad King on 07 November 2022, 19:18:22 UTC
block: Fix variable scope protection from modification by subdirectories
Tip revision: cb53d93
File Mode Size
.gitattributes -rw-r--r-- 14 bytes
CMakeLists.txt -rw-r--r-- 601 bytes
Copyright.txt -rw-r--r-- 1.0 KB
README -rw-r--r-- 5.2 KB
adler32.c -rw-r--r-- 5.1 KB
cm_zlib_mangle.h -rw-r--r-- 6.0 KB
compress.c -rw-r--r-- 2.6 KB
crc32.c -rw-r--r-- 31.2 KB
crc32.h -rw-r--r-- 577.9 KB
deflate.c -rw-r--r-- 79.9 KB
deflate.h -rw-r--r-- 12.8 KB
gzclose.c -rw-r--r-- 678 bytes
gzguts.h -rw-r--r-- 6.7 KB
gzlib.c -rw-r--r-- 16.3 KB
gzread.c -rw-r--r-- 20.0 KB
gzwrite.c -rw-r--r-- 19.2 KB
inffast.c -rw-r--r-- 12.7 KB
inffast.h -rw-r--r-- 427 bytes
inffixed.h -rw-r--r-- 6.2 KB
inflate.c -rw-r--r-- 54.7 KB
inflate.h -rw-r--r-- 6.5 KB
inftrees.c -rw-r--r-- 12.7 KB
inftrees.h -rw-r--r-- 2.9 KB
trees.c -rw-r--r-- 41.9 KB
trees.h -rw-r--r-- 8.3 KB
uncompr.c -rw-r--r-- 2.9 KB
zconf.h -rw-r--r-- 15.9 KB
zlib.h -rw-r--r-- 96.0 KB
zutil.c -rw-r--r-- 7.2 KB
zutil.h -rw-r--r-- 7.3 KB

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