cmConditionEvaluator.h
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <string>
#include <vector>
#include <cmext/string_view>
#include "cmListFileCache.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmValue.h"
class cmExpandedCommandArgument;
class cmMakefile;
class cmConditionEvaluator
{
public:
cmConditionEvaluator(cmMakefile& makefile, cmListFileBacktrace bt);
// 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, MessageType& status);
private:
class cmArgumentList;
// Filter the given variable definition based on policy CMP0054.
cmValue GetDefinitionIfUnquoted(
const cmExpandedCommandArgument& argument) const;
cmValue GetVariableOrString(const cmExpandedCommandArgument& argument) const;
bool IsKeyword(cm::static_string_view keyword,
const cmExpandedCommandArgument& argument) const;
bool GetBooleanValue(cmExpandedCommandArgument& arg) const;
bool GetBooleanValueOld(cmExpandedCommandArgument const& arg,
bool one) const;
bool GetBooleanValueWithAutoDereference(cmExpandedCommandArgument& newArg,
std::string& errorString,
MessageType& status,
bool oneArg = false) const;
template <int N>
int matchKeysImpl(const cmExpandedCommandArgument&);
template <int N, typename T, typename... Keys>
int matchKeysImpl(const cmExpandedCommandArgument&, T, Keys...);
template <typename... Keys>
int matchKeys(const cmExpandedCommandArgument&, Keys...);
bool HandleLevel0(cmArgumentList& newArgs, std::string& errorString,
MessageType& status);
bool HandleLevel1(cmArgumentList& newArgs, std::string&, MessageType&);
bool HandleLevel2(cmArgumentList& newArgs, std::string& errorString,
MessageType& status);
bool HandleLevel3(cmArgumentList& newArgs, std::string& errorString,
MessageType& status);
bool HandleLevel4(cmArgumentList& newArgs, std::string& errorString,
MessageType& status);
cmMakefile& Makefile;
cmListFileBacktrace Backtrace;
cmPolicies::PolicyStatus Policy12Status;
cmPolicies::PolicyStatus Policy54Status;
cmPolicies::PolicyStatus Policy57Status;
cmPolicies::PolicyStatus Policy64Status;
cmPolicies::PolicyStatus Policy139Status;
};