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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmIfCommand_h
#define cmIfCommand_h
#include "cmConfigure.h"
#include <string>
#include <vector>
#include "cmCommand.h"
#include "cmFunctionBlocker.h"
#include "cmListFileCache.h"
class cmExecutionStatus;
class cmExpandedCommandArgument;
class cmMakefile;
class cmIfFunctionBlocker : public cmFunctionBlocker
{
public:
cmIfFunctionBlocker()
{
this->HasRun = false;
this->ElseSeen = false;
this->ScopeDepth = 0;
}
~cmIfFunctionBlocker() CM_OVERRIDE {}
bool IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile& mf,
cmExecutionStatus&) CM_OVERRIDE;
bool ShouldRemove(const cmListFileFunction& lff, cmMakefile& mf) CM_OVERRIDE;
std::vector<cmListFileArgument> Args;
std::vector<cmListFileFunction> Functions;
bool IsBlocking;
bool HasRun;
bool ElseSeen;
unsigned int ScopeDepth;
};
/// Starts an if block
class cmIfCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
cmCommand* Clone() CM_OVERRIDE { return new cmIfCommand; }
/**
* This overrides the default InvokeInitialPass implementation.
* It records the arguments before expansion.
*/
bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
cmExecutionStatus&) CM_OVERRIDE;
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
bool InitialPass(std::vector<std::string> const&,
cmExecutionStatus&) CM_OVERRIDE
{
return false;
}
/**
* The name of the command as specified in CMakeList.txt.
*/
std::string GetName() const CM_OVERRIDE { return "if"; }
/**
* This determines if the command is invoked when in script mode.
*/
bool IsScriptable() const CM_OVERRIDE { return true; }
// Filter the given variable definition based on policy CMP0054.
static const char* GetDefinitionIfUnquoted(
const cmMakefile* mf, cmExpandedCommandArgument const& argument);
};
#endif
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