CMake/Source/cmConditionEvaluator.h

85 lines
3.1 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#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, cmListFileContext const& context,
cmListFileBacktrace const& 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, 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;
cmListFileContext ExecutionContext;
cmListFileBacktrace Backtrace;
cmPolicies::PolicyStatus Policy12Status;
cmPolicies::PolicyStatus Policy54Status;
cmPolicies::PolicyStatus Policy57Status;
cmPolicies::PolicyStatus Policy64Status;
};
#endif