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http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=6568c4a37ec615e5a3dc4908377ad5dfd6661bde
commit 6568c4a37ec615e5a3dc4908377ad5dfd6661bde
Merge: d67cc53 e59d61d
Author: Ben Boeckel <ben.boec...@kitware.com>
AuthorDate: Tue Aug 6 14:28:36 2013 -0400
Commit: CMake Topic Stage <kwro...@kitware.com>
CommitDate: Tue Aug 6 14:28:36 2013 -0400
Merge topic 'dev/fix-variable-watch-crash' into next
e59d61d Remove variable_watch watches on destruction
8e93fee Check newValue for NULL
854e9ba Don't share memory for variable_watch callbacks
15da32a Allow specifying the data to match in RemoveWatch
8d3a6c0 Match client_data as well for finding duplicates
06d6fc4 Add test for watching a variable multiple times
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=e59d61d58a645c0ede270115d0b10286271881be
commit e59d61d58a645c0ede270115d0b10286271881be
Author: Ben Boeckel <maths...@gmail.com>
AuthorDate: Tue Aug 6 14:18:58 2013 -0400
Commit: Ben Boeckel <maths...@gmail.com>
CommitDate: Tue Aug 6 14:32:55 2013 -0400
Remove variable_watch watches on destruction
This cleans out old watches. Now that watches are completely separate,
if we don't remove all of the old watches, the following happens:
variable_watch(watched call1)
variable_watch(watched call2)
set(bar "${watched}")
(in ccmake):
configure
configure
makes the output:
<configure>
call1
call2
<configure>
call1
call2
call1
call2
since the old watches are still valid.
diff --git a/Source/cmVariableWatchCommand.cxx
b/Source/cmVariableWatchCommand.cxx
index 25bf450..bd161f9 100644
--- a/Source/cmVariableWatchCommand.cxx
+++ b/Source/cmVariableWatchCommand.cxx
@@ -101,6 +101,18 @@ cmVariableWatchCommand::cmVariableWatchCommand()
}
//----------------------------------------------------------------------------
+cmVariableWatchCommand::~cmVariableWatchCommand()
+{
+ std::set<std::string>::const_iterator it;
+ for ( it = this->WatchedVariables.begin(); it !=
this->WatchedVariables.end();
+ ++it )
+ {
+ this->Makefile->GetCMakeInstance()->GetVariableWatch()->RemoveWatch(
+ *it, cmVariableWatchCommandVariableAccessed);
+ }
+}
+
+//----------------------------------------------------------------------------
bool cmVariableWatchCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
@@ -128,6 +140,7 @@ bool cmVariableWatchCommand
data->InCallback = false;
data->Command = command;
+ this->WatchedVariables.insert(variable);
if ( !this->Makefile->GetCMakeInstance()->GetVariableWatch()->AddWatch(
variable, cmVariableWatchCommandVariableAccessed,
data, deleteVariableWatchCallbackData) )
diff --git a/Source/cmVariableWatchCommand.h b/Source/cmVariableWatchCommand.h
index 295a64a..545535c 100644
--- a/Source/cmVariableWatchCommand.h
+++ b/Source/cmVariableWatchCommand.h
@@ -32,6 +32,9 @@ public:
//! Default constructor
cmVariableWatchCommand();
+ //! Destructor.
+ ~cmVariableWatchCommand();
+
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
@@ -75,6 +78,9 @@ public:
}
cmTypeMacro(cmVariableWatchCommand, cmCommand);
+
+protected:
+ std::set<std::string> WatchedVariables;
};
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=8e93fee04e56cf8368340ba5170368fc478c412c
commit 8e93fee04e56cf8368340ba5170368fc478c412c
Author: Ben Boeckel <maths...@gmail.com>
AuthorDate: Tue Aug 6 14:32:19 2013 -0400
Commit: Ben Boeckel <maths...@gmail.com>
CommitDate: Tue Aug 6 14:32:19 2013 -0400
Check newValue for NULL
On read access, newValue can be NULL since there is no new value, so use
the empty string instead.
diff --git a/Source/cmVariableWatchCommand.cxx
b/Source/cmVariableWatchCommand.cxx
index 63069d0..25bf450 100644
--- a/Source/cmVariableWatchCommand.cxx
+++ b/Source/cmVariableWatchCommand.cxx
@@ -80,7 +80,7 @@ static void cmVariableWatchCommandVariableAccessed(
{
cmOStringStream msg;
msg << "Variable \"" << variable.c_str() << "\" was accessed using "
- << accessString << " with value \"" << newValue << "\".";
+ << accessString << " with value \"" << (newValue?newValue:"") << "\".";
makefile->IssueMessage(cmake::LOG, msg.str());
}
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=854e9bac14dab38261ad85a0291fe03aae449fe4
commit 854e9bac14dab38261ad85a0291fe03aae449fe4
Author: Ben Boeckel <maths...@gmail.com>
AuthorDate: Tue Aug 6 14:16:23 2013 -0400
Commit: Ben Boeckel <maths...@gmail.com>
CommitDate: Tue Aug 6 14:32:12 2013 -0400
Don't share memory for variable_watch callbacks
Each callback is now a separate entity completely and doesn't rely on
the command which spawned it at all.
diff --git a/Source/cmVariableWatchCommand.cxx
b/Source/cmVariableWatchCommand.cxx
index 38ce25b..63069d0 100644
--- a/Source/cmVariableWatchCommand.cxx
+++ b/Source/cmVariableWatchCommand.cxx
@@ -14,72 +14,27 @@
#include "cmVariableWatch.h"
//----------------------------------------------------------------------------
-static void cmVariableWatchCommandVariableAccessed(
- const std::string& variable, int access_type, void* client_data,
- const char* newValue, const cmMakefile* mf)
-{
- cmVariableWatchCommand* command
- = static_cast<cmVariableWatchCommand*>(client_data);
- command->VariableAccessed(variable, access_type, newValue, mf);
-}
-
-//----------------------------------------------------------------------------
-static void deleteVariableWatchCommand(void* client_data)
-{
- cmVariableWatchCommand* command
- = static_cast<cmVariableWatchCommand*>(client_data);
- delete command;
-}
-
-//----------------------------------------------------------------------------
-cmVariableWatchCommand::cmVariableWatchCommand()
+struct cmVariableWatchCallbackData
{
- this->InCallback = false;
-}
+ bool InCallback;
+ std::string Command;
+};
//----------------------------------------------------------------------------
-bool cmVariableWatchCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+static void cmVariableWatchCommandVariableAccessed(
+ const std::string& variable, int access_type, void* client_data,
+ const char* newValue, const cmMakefile* mf)
{
- if ( args.size() < 1 )
- {
- this->SetError("must be called with at least one argument.");
- return false;
- }
- std::string variable = args[0];
- if ( args.size() > 1 )
- {
- std::string command = args[1];
- this->Handlers[variable].Commands.push_back(args[1]);
- }
- if ( variable == "CMAKE_CURRENT_LIST_FILE" )
- {
- cmOStringStream ostr;
- ostr << "cannot be set on the variable: " << variable.c_str();
- this->SetError(ostr.str().c_str());
- return false;
- }
-
- this->Makefile->GetCMakeInstance()->GetVariableWatch()->AddWatch(
- variable, cmVariableWatchCommandVariableAccessed,
- this->Clone(), deleteVariableWatchCommand);
+ cmVariableWatchCallbackData* data
+ = static_cast<cmVariableWatchCallbackData*>(client_data);
- return true;
-}
-
-//----------------------------------------------------------------------------
-void cmVariableWatchCommand::VariableAccessed(const std::string& variable,
- int access_type, const char* newValue, const cmMakefile* mf)
-{
- if ( this->InCallback )
+ if ( data->InCallback )
{
return;
}
- this->InCallback = true;
+ data->InCallback = true;
cmListFileFunction newLFF;
- cmVariableWatchCommandHandler *handler = &this->Handlers[variable];
- cmVariableWatchCommandHandler::VectorOfCommands::iterator it;
cmListFileArgument arg;
bool processed = false;
const char* accessString = cmVariableWatch::GetAccessAsString(access_type);
@@ -89,10 +44,8 @@ void cmVariableWatchCommand::VariableAccessed(const
std::string& variable,
cmMakefile* makefile = const_cast<cmMakefile*>(mf);
std::string stack = makefile->GetProperty("LISTFILE_STACK");
- for ( it = handler->Commands.begin(); it != handler->Commands.end();
- ++ it )
+ if ( !data->Command.empty() )
{
- std::string command = *it;
newLFF.Arguments.clear();
newLFF.Arguments.push_back(
cmListFileArgument(variable, true, "unknown", 9999));
@@ -104,7 +57,7 @@ void cmVariableWatchCommand::VariableAccessed(const
std::string& variable,
cmListFileArgument(currentListFile, true, "unknown", 9999));
newLFF.Arguments.push_back(
cmListFileArgument(stack, true, "unknown", 9999));
- newLFF.Name = command;
+ newLFF.Name = data->Command;
newLFF.FilePath = "Some weird path";
newLFF.Line = 9999;
cmExecutionStatus status;
@@ -116,9 +69,9 @@ void cmVariableWatchCommand::VariableAccessed(const
std::string& variable,
error << "Error in cmake code at\n"
<< arg.FilePath << ":" << arg.Line << ":\n"
<< "A command failed during the invocation of callback \""
- << command << "\".";
+ << data->Command << "\".";
cmSystemTools::Error(error.str().c_str());
- this->InCallback = false;
+ data->InCallback = false;
return;
}
processed = true;
@@ -130,5 +83,58 @@ void cmVariableWatchCommand::VariableAccessed(const
std::string& variable,
<< accessString << " with value \"" << newValue << "\".";
makefile->IssueMessage(cmake::LOG, msg.str());
}
- this->InCallback = false;
+
+ data->InCallback = false;
+}
+
+//----------------------------------------------------------------------------
+static void deleteVariableWatchCallbackData(void* client_data)
+{
+ cmVariableWatchCallbackData* data
+ = static_cast<cmVariableWatchCallbackData*>(client_data);
+ delete data;
+}
+
+//----------------------------------------------------------------------------
+cmVariableWatchCommand::cmVariableWatchCommand()
+{
+}
+
+//----------------------------------------------------------------------------
+bool cmVariableWatchCommand
+::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+{
+ if ( args.size() < 1 )
+ {
+ this->SetError("must be called with at least one argument.");
+ return false;
+ }
+ std::string variable = args[0];
+ std::string command;
+ if ( args.size() > 1 )
+ {
+ command = args[1];
+ }
+ if ( variable == "CMAKE_CURRENT_LIST_FILE" )
+ {
+ cmOStringStream ostr;
+ ostr << "cannot be set on the variable: " << variable.c_str();
+ this->SetError(ostr.str().c_str());
+ return false;
+ }
+
+ cmVariableWatchCallbackData* data = new cmVariableWatchCallbackData;
+
+ data->InCallback = false;
+ data->Command = command;
+
+ if ( !this->Makefile->GetCMakeInstance()->GetVariableWatch()->AddWatch(
+ variable, cmVariableWatchCommandVariableAccessed,
+ data, deleteVariableWatchCallbackData) )
+ {
+ deleteVariableWatchCallbackData(data);
+ return false;
+ }
+
+ return true;
}
diff --git a/Source/cmVariableWatchCommand.h b/Source/cmVariableWatchCommand.h
index 0fca80f..295a64a 100644
--- a/Source/cmVariableWatchCommand.h
+++ b/Source/cmVariableWatchCommand.h
@@ -14,13 +14,6 @@
#include "cmCommand.h"
-class cmVariableWatchCommandHandler
-{
-public:
- typedef std::vector<std::string> VectorOfCommands;
- VectorOfCommands Commands;
-};
-
/** \class cmVariableWatchCommand
* \brief Watch when the variable changes and invoke command
*
@@ -33,9 +26,7 @@ public:
*/
virtual cmCommand* Clone()
{
- cmVariableWatchCommand* cmd = new cmVariableWatchCommand;
- cmd->Handlers = this->Handlers;
- return cmd;
+ return new cmVariableWatchCommand;
}
//! Default constructor
@@ -84,14 +75,6 @@ public:
}
cmTypeMacro(cmVariableWatchCommand, cmCommand);
-
- void VariableAccessed(const std::string& variable, int access_type,
- const char* newValue, const cmMakefile* mf);
-
-protected:
- std::map<std::string, cmVariableWatchCommandHandler> Handlers;
-
- bool InCallback;
};
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=15da32a5a55cd219a97e8b88742a2ea5145bfbd8
commit 15da32a5a55cd219a97e8b88742a2ea5145bfbd8
Author: Ben Boeckel <maths...@gmail.com>
AuthorDate: Tue Aug 6 14:12:54 2013 -0400
Commit: Ben Boeckel <maths...@gmail.com>
CommitDate: Tue Aug 6 14:32:00 2013 -0400
Allow specifying the data to match in RemoveWatch
Now that watches are dependent on their client_data when adding, it also
makes sense to allow matching the data for removal.
diff --git a/Source/cmVariableWatch.cxx b/Source/cmVariableWatch.cxx
index 9481c76..57eabe6 100644
--- a/Source/cmVariableWatch.cxx
+++ b/Source/cmVariableWatch.cxx
@@ -52,7 +52,7 @@ cmVariableWatch::~cmVariableWatch()
}
}
-void cmVariableWatch::AddWatch(const std::string& variable,
+bool cmVariableWatch::AddWatch(const std::string& variable,
WatchMethod method, void* client_data /*=0*/,
DeleteData delete_data /*=0*/)
{
@@ -69,14 +69,16 @@ void cmVariableWatch::AddWatch(const std::string& variable,
client_data && client_data == pair->ClientData)
{
// Callback already exists
- return;
+ return false;
}
}
vp->push_back(p);
+ return true;
}
void cmVariableWatch::RemoveWatch(const std::string& variable,
- WatchMethod method)
+ WatchMethod method,
+ void* client_data /*=0*/)
{
if ( !this->WatchMap.count(variable) )
{
@@ -86,7 +88,10 @@ void cmVariableWatch::RemoveWatch(const std::string&
variable,
cmVariableWatch::VectorOfPairs::iterator it;
for ( it = vp->begin(); it != vp->end(); ++it )
{
- if ( (*it)->Method == method )
+ if ( (*it)->Method == method &&
+ // If client_data is NULL, we want to disconnect all watches against
+ // the given method; otherwise match ClientData as well.
+ (!client_data || (client_data == (*it)->ClientData)))
{
vp->erase(it);
return;
diff --git a/Source/cmVariableWatch.h b/Source/cmVariableWatch.h
index d666815..790c75a 100644
--- a/Source/cmVariableWatch.h
+++ b/Source/cmVariableWatch.h
@@ -34,9 +34,10 @@ public:
/**
* Add watch to the variable
*/
- void AddWatch(const std::string& variable, WatchMethod method,
+ bool AddWatch(const std::string& variable, WatchMethod method,
void* client_data=0, DeleteData delete_data=0);
- void RemoveWatch(const std::string& variable, WatchMethod method);
+ void RemoveWatch(const std::string& variable, WatchMethod method,
+ void* client_data=0);
/**
* This method is called when variable is accessed
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=8d3a6c02ee0f88a8c70cde9f3b52c062b6968f43
commit 8d3a6c02ee0f88a8c70cde9f3b52c062b6968f43
Author: Ben Boeckel <maths...@gmail.com>
AuthorDate: Tue Aug 6 14:08:57 2013 -0400
Commit: Ben Boeckel <maths...@gmail.com>
CommitDate: Tue Aug 6 14:32:00 2013 -0400
Match client_data as well for finding duplicates
If a callback has the same data as another call, we don't want to delete
the old callback. This is because if the client_data is the same, it
might get deleted causing the new client_data to be bogus. Now, AddWatch
will return true if it will use the watch, false otherwise.
diff --git a/Source/cmVariableWatch.cxx b/Source/cmVariableWatch.cxx
index db36599..9481c76 100644
--- a/Source/cmVariableWatch.cxx
+++ b/Source/cmVariableWatch.cxx
@@ -65,10 +65,10 @@ void cmVariableWatch::AddWatch(const std::string& variable,
for ( cc = 0; cc < vp->size(); cc ++ )
{
cmVariableWatch::Pair* pair = (*vp)[cc];
- if ( pair->Method == method )
+ if ( pair->Method == method &&
+ client_data && client_data == pair->ClientData)
{
- delete pair;
- (*vp)[cc] = p;
+ // Callback already exists
return;
}
}
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=06d6fc42053663c2bec34618f9132b7ac0402e30
commit 06d6fc42053663c2bec34618f9132b7ac0402e30
Author: Ben Boeckel <maths...@gmail.com>
AuthorDate: Tue Aug 6 14:31:28 2013 -0400
Commit: Ben Boeckel <maths...@gmail.com>
CommitDate: Tue Aug 6 14:32:00 2013 -0400
Add test for watching a variable multiple times
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 6d1bca2..367c2b9 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -117,3 +117,4 @@ endif()
add_RunCMake_test(File_Generate)
add_RunCMake_test(ExportWithoutLanguage)
add_RunCMake_test(target_link_libraries)
+add_RunCMake_test(WatchTwice)
diff --git a/Tests/RunCMake/WatchTwice/CMakeLists.txt
b/Tests/RunCMake/WatchTwice/CMakeLists.txt
new file mode 100644
index 0000000..e8db6b0
--- /dev/null
+++ b/Tests/RunCMake/WatchTwice/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/WatchTwice/RunCMakeTest.cmake
b/Tests/RunCMake/WatchTwice/RunCMakeTest.cmake
new file mode 100644
index 0000000..19205b2
--- /dev/null
+++ b/Tests/RunCMake/WatchTwice/RunCMakeTest.cmake
@@ -0,0 +1,3 @@
+include(RunCMake)
+
+run_cmake(WatchTwice)
diff --git a/Tests/RunCMake/WatchTwice/WatchTwice-stderr.txt
b/Tests/RunCMake/WatchTwice/WatchTwice-stderr.txt
new file mode 100644
index 0000000..fa7d347
--- /dev/null
+++ b/Tests/RunCMake/WatchTwice/WatchTwice-stderr.txt
@@ -0,0 +1,2 @@
+From watch1
+From watch2
diff --git a/Tests/RunCMake/WatchTwice/WatchTwice.cmake
b/Tests/RunCMake/WatchTwice/WatchTwice.cmake
new file mode 100644
index 0000000..540cfc1
--- /dev/null
+++ b/Tests/RunCMake/WatchTwice/WatchTwice.cmake
@@ -0,0 +1,11 @@
+function (watch1)
+ message("From watch1")
+endfunction ()
+
+function (watch2)
+ message("From watch2")
+endfunction ()
+
+variable_watch(watched watch1)
+variable_watch(watched watch2)
+set(access "${watched}")
-----------------------------------------------------------------------
Summary of changes:
Source/cmVariableWatch.cxx | 19 ++-
Source/cmVariableWatch.h | 5 +-
Source/cmVariableWatchCommand.cxx | 147 +++++++++++---------
Source/cmVariableWatchCommand.h | 21 +--
Tests/RunCMake/CMakeLists.txt | 1 +
.../{CMP0004 => WatchTwice}/CMakeLists.txt | 0
Tests/RunCMake/WatchTwice/RunCMakeTest.cmake | 3 +
Tests/RunCMake/WatchTwice/WatchTwice-stderr.txt | 2 +
Tests/RunCMake/WatchTwice/WatchTwice.cmake | 11 ++
9 files changed, 120 insertions(+), 89 deletions(-)
copy Tests/RunCMake/{CMP0004 => WatchTwice}/CMakeLists.txt (100%)
create mode 100644 Tests/RunCMake/WatchTwice/RunCMakeTest.cmake
create mode 100644 Tests/RunCMake/WatchTwice/WatchTwice-stderr.txt
create mode 100644 Tests/RunCMake/WatchTwice/WatchTwice.cmake
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