90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/*============================================================================
|
|
CMake - Cross Platform Makefile Generator
|
|
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
|
|
|
|
Distributed under the OSI-approved BSD License (the "License");
|
|
see accompanying file Copyright.txt for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even the
|
|
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the License for more information.
|
|
============================================================================*/
|
|
#ifndef cmIfCommand_h
|
|
#define cmIfCommand_h
|
|
|
|
#include "cmCommand.h"
|
|
#include "cmFunctionBlocker.h"
|
|
|
|
class cmIfFunctionBlocker : public cmFunctionBlocker
|
|
{
|
|
public:
|
|
cmIfFunctionBlocker() {
|
|
this->HasRun = false; this->ScopeDepth = 0; }
|
|
virtual ~cmIfFunctionBlocker() {}
|
|
virtual bool IsFunctionBlocked(const cmListFileFunction& lff,
|
|
cmMakefile &mf,
|
|
cmExecutionStatus &);
|
|
virtual bool ShouldRemove(const cmListFileFunction& lff,
|
|
cmMakefile &mf);
|
|
|
|
std::vector<cmListFileArgument> Args;
|
|
std::vector<cmListFileFunction> Functions;
|
|
bool IsBlocking;
|
|
bool HasRun;
|
|
unsigned int ScopeDepth;
|
|
};
|
|
|
|
/// Starts an if block
|
|
class cmIfCommand : public cmCommand
|
|
{
|
|
public:
|
|
/**
|
|
* This is a virtual constructor for the command.
|
|
*/
|
|
virtual cmCommand* Clone()
|
|
{
|
|
return new cmIfCommand;
|
|
}
|
|
|
|
/**
|
|
* This overrides the default InvokeInitialPass implementation.
|
|
* It records the arguments before expansion.
|
|
*/
|
|
virtual bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
|
|
cmExecutionStatus &);
|
|
|
|
/**
|
|
* This is called when the command is first encountered in
|
|
* the CMakeLists.txt file.
|
|
*/
|
|
virtual bool InitialPass(std::vector<std::string> const&,
|
|
cmExecutionStatus &) { return false;};
|
|
|
|
/**
|
|
* The name of the command as specified in CMakeList.txt.
|
|
*/
|
|
virtual const char* GetName() const { return "if";}
|
|
|
|
/**
|
|
* This determines if the command is invoked when in script mode.
|
|
*/
|
|
virtual bool IsScriptable() const { return true; }
|
|
|
|
// this is a shared function for both If and Else to determine if the
|
|
// arguments were valid, and if so, was the response true. If there is
|
|
// an error, the errorString will be set.
|
|
static bool IsTrue(const std::vector<std::string> &args,
|
|
std::string &errorString, cmMakefile *mf,
|
|
cmake::MessageType &status);
|
|
|
|
// Get a definition from the makefile. If it doesn't exist,
|
|
// return the original string.
|
|
static const char* GetVariableOrString(const char* str,
|
|
const cmMakefile* mf);
|
|
|
|
cmTypeMacro(cmIfCommand, cmCommand);
|
|
};
|
|
|
|
|
|
#endif
|