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variable_watch: Remove undocumented and redundant access type 

The ALLOWED_UNKNOWN_VARIABLE_READ_ACCESS access type was switched on an
undocumented variable and its lookup caused an unnecessary performance
impact.  Remove it.
This commit is contained in:
Ben Boeckel 2014-05-05 17:25:24 -04:00 committed by Brad King
parent 96e9eb1766
commit d849800351
4 changed files with 9 additions and 14 deletions
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8
Help/release/dev/variable_watch-no-allowed-access.rst Normal file
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@ -0,0 +1,8 @@
variable_watch-no-allowed-access
--------------------------------
* Callbacks established by the :command:`variable_watch` command will no
longer receive the ``ALLOWED_UNKNOWN_READ_ACCESS`` access type when
the undocumented ``CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS`` variable is
set. Uninitialized variable accesses will always be reported as
``UNKNOWN_READ_ACCESS``.

13
Source/cmMakefile.cxx
View File

@ -2472,19 +2472,8 @@ const char* cmMakefile::GetDefinition(const std::string& name) const
}
else
{
// are unknown access allowed
const char* allow = this->Internal->VarStack.top()
.Get("CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS");
if(cmSystemTools::IsOn(allow))
{
vv->VariableAccessed(name,
cmVariableWatch::ALLOWED_UNKNOWN_VARIABLE_READ_ACCESS, def, this);
}
else
{
vv->VariableAccessed(name,
vv->VariableAccessed(name,
cmVariableWatch::UNKNOWN_VARIABLE_READ_ACCESS, def, this);
}
}
}
#endif

1
Source/cmVariableWatch.cxx
View File

@ -16,7 +16,6 @@ static const char* const cmVariableWatchAccessStrings[] =
"READ_ACCESS",
"UNKNOWN_READ_ACCESS",
"UNKNOWN_DEFINED_ACCESS",
"ALLOWED_UNKNOWN_READ_ACCESS",
"MODIFIED_ACCESS",
"REMOVED_ACCESS",
"NO_ACCESS"

1
Source/cmVariableWatch.h
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@ -53,7 +53,6 @@ public:
VARIABLE_READ_ACCESS = 0,
UNKNOWN_VARIABLE_READ_ACCESS,
UNKNOWN_VARIABLE_DEFINED_ACCESS,
ALLOWED_UNKNOWN_VARIABLE_READ_ACCESS,
VARIABLE_MODIFIED_ACCESS,
VARIABLE_REMOVED_ACCESS,
NO_ACCESS