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cmake/Source/cmConditionEvaluator.h

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2014 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 cmConditionEvaluator_h
#define cmConditionEvaluator_h
#include "cmCommand.h"
#include "cmExpandedCommandArgument.h"
#include <list>
class cmConditionEvaluator
{
public:
typedef std::list<cmExpandedCommandArgument> cmArgumentList;
cmConditionEvaluator(cmMakefile& makefile);
// 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.
bool IsTrue(const std::vector<cmExpandedCommandArgument> &args,
std::string &errorString,
cmake::MessageType &status);
private:
// Filter the given variable definition based on policy CMP0054.
const char* GetDefinitionIfUnquoted(
const cmExpandedCommandArgument& argument) const;
const char* GetVariableOrString(
const cmExpandedCommandArgument& argument) const;
bool IsKeyword(std::string const& keyword,
cmExpandedCommandArgument& argument) const;
bool GetBooleanValue(
cmExpandedCommandArgument& arg) const;
bool GetBooleanValueOld(
cmExpandedCommandArgument const& arg, bool one) const;
bool GetBooleanValueWithAutoDereference(
cmExpandedCommandArgument &newArg,
std::string &errorString,
cmake::MessageType &status,
bool oneArg = false) const;
void IncrementArguments(
cmArgumentList &newArgs,
cmArgumentList::iterator &argP1,
cmArgumentList::iterator &argP2) const;
void HandlePredicate(bool value, int &reducible,
cmArgumentList::iterator &arg,
cmArgumentList &newArgs,
cmArgumentList::iterator &argP1,
cmArgumentList::iterator &argP2) const;
void HandleBinaryOp(bool value, int &reducible,
cmArgumentList::iterator &arg,
cmArgumentList &newArgs,
cmArgumentList::iterator &argP1,
cmArgumentList::iterator &argP2);
bool HandleLevel0(cmArgumentList &newArgs,
std::string &errorString,
cmake::MessageType &status);
bool HandleLevel1(cmArgumentList &newArgs,
std::string &, cmake::MessageType &);
bool HandleLevel2(cmArgumentList &newArgs,
std::string &errorString,
cmake::MessageType &status);
bool HandleLevel3(cmArgumentList &newArgs,
std::string &errorString,
cmake::MessageType &status);
bool HandleLevel4(cmArgumentList &newArgs,
std::string &errorString,
cmake::MessageType &status);
cmMakefile& Makefile;
cmPolicies::PolicyStatus Policy12Status;
cmPolicies::PolicyStatus Policy54Status;
cmPolicies::PolicyStatus Policy57Status;
};
#endif