134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
/*=========================================================================
|
|
|
|
Program: CMake - Cross-Platform Makefile Generator
|
|
Module: $RCSfile$
|
|
Language: C++
|
|
Date: $Date$
|
|
Version: $Revision$
|
|
|
|
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
|
|
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notices for more information.
|
|
|
|
=========================================================================*/
|
|
#include "cmWhileCommand.h"
|
|
#include "cmIfCommand.h"
|
|
|
|
bool cmWhileFunctionBlocker::
|
|
IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
|
|
cmExecutionStatus &inStatus)
|
|
{
|
|
// Prevent recusion and don't let this blocker block its own
|
|
// commands.
|
|
if (this->Executing)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// at end of for each execute recorded commands
|
|
if (!cmSystemTools::Strucmp(lff.Name.c_str(),"while"))
|
|
{
|
|
// record the number of while commands past this one
|
|
this->Depth++;
|
|
}
|
|
else if (!cmSystemTools::Strucmp(lff.Name.c_str(),"endwhile"))
|
|
{
|
|
// if this is the endwhile for this while loop then execute
|
|
if (!this->Depth)
|
|
{
|
|
std::string errorString;
|
|
|
|
std::vector<std::string> expandedArguments;
|
|
mf.ExpandArguments(this->Args, expandedArguments);
|
|
bool isTrue =
|
|
cmIfCommand::IsTrue(expandedArguments,errorString,&mf);
|
|
|
|
this->Executing = true;
|
|
while (isTrue)
|
|
{
|
|
// Invoke all the functions that were collected in the block.
|
|
for(unsigned int c = 0; c < this->Functions.size(); ++c)
|
|
{
|
|
cmExecutionStatus status;
|
|
mf.ExecuteCommand(this->Functions[c],status);
|
|
if (status.GetReturnInvoked())
|
|
{
|
|
inStatus.SetReturnInvoked(true);
|
|
mf.RemoveFunctionBlocker(lff);
|
|
return true;
|
|
}
|
|
if (status.GetBreakInvoked())
|
|
{
|
|
mf.RemoveFunctionBlocker(lff);
|
|
return true;
|
|
}
|
|
}
|
|
expandedArguments.clear();
|
|
mf.ExpandArguments(this->Args, expandedArguments);
|
|
isTrue =
|
|
cmIfCommand::IsTrue(expandedArguments,errorString,&mf);
|
|
}
|
|
mf.RemoveFunctionBlocker(lff);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// decrement for each nested while that ends
|
|
this->Depth--;
|
|
}
|
|
}
|
|
|
|
// record the command
|
|
this->Functions.push_back(lff);
|
|
|
|
// always return true
|
|
return true;
|
|
}
|
|
|
|
bool cmWhileFunctionBlocker::
|
|
ShouldRemove(const cmListFileFunction& lff, cmMakefile& )
|
|
{
|
|
if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endwhile"))
|
|
{
|
|
// if the endwhile has arguments, then make sure
|
|
// they match the arguments of the matching while
|
|
if (lff.Arguments.size() == 0 ||
|
|
lff.Arguments == this->Args)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void cmWhileFunctionBlocker::
|
|
ScopeEnded(cmMakefile &mf)
|
|
{
|
|
cmSystemTools::Error(
|
|
"The end of a CMakeLists file was reached with a WHILE statement that "
|
|
"was not closed properly. Within the directory: ",
|
|
mf.GetCurrentDirectory());
|
|
}
|
|
|
|
bool cmWhileCommand
|
|
::InvokeInitialPass(const std::vector<cmListFileArgument>& args,
|
|
cmExecutionStatus &)
|
|
{
|
|
if(args.size() < 1)
|
|
{
|
|
this->SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
|
|
// create a function blocker
|
|
cmWhileFunctionBlocker *f = new cmWhileFunctionBlocker();
|
|
f->Args = args;
|
|
this->Makefile->AddFunctionBlocker(f);
|
|
|
|
return true;
|
|
}
|
|
|