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92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmConditionEvaluator_h
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#define cmConditionEvaluator_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <list>
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#include <string>
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#include <vector>
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#include "cmExpandedCommandArgument.h"
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#include "cmListFileCache.h"
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#include "cmMessageType.h"
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#include "cmPolicies.h"
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class cmMakefile;
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class cmConditionEvaluator
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{
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public:
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typedef std::list<cmExpandedCommandArgument> cmArgumentList;
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cmConditionEvaluator(cmMakefile& makefile, cmListFileContext const& context,
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cmListFileBacktrace const& bt);
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// this is a shared function for both If and Else to determine if the
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// arguments were valid, and if so, was the response true. If there is
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// an error, the errorString will be set.
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bool IsTrue(const std::vector<cmExpandedCommandArgument>& args,
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std::string& errorString, MessageType& status);
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private:
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// Filter the given variable definition based on policy CMP0054.
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const char* GetDefinitionIfUnquoted(
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const cmExpandedCommandArgument& argument) const;
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const char* GetVariableOrString(
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const cmExpandedCommandArgument& argument) const;
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bool IsKeyword(std::string const& keyword,
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cmExpandedCommandArgument& argument) const;
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bool GetBooleanValue(cmExpandedCommandArgument& arg) const;
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bool GetBooleanValueOld(cmExpandedCommandArgument const& arg,
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bool one) const;
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bool GetBooleanValueWithAutoDereference(cmExpandedCommandArgument& newArg,
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std::string& errorString,
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MessageType& status,
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bool oneArg = false) const;
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void IncrementArguments(cmArgumentList& newArgs,
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cmArgumentList::iterator& argP1,
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cmArgumentList::iterator& argP2) const;
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void HandlePredicate(bool value, int& reducible,
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cmArgumentList::iterator& arg, cmArgumentList& newArgs,
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cmArgumentList::iterator& argP1,
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cmArgumentList::iterator& argP2) const;
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void HandleBinaryOp(bool value, int& reducible,
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cmArgumentList::iterator& arg, cmArgumentList& newArgs,
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cmArgumentList::iterator& argP1,
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cmArgumentList::iterator& argP2);
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bool HandleLevel0(cmArgumentList& newArgs, std::string& errorString,
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MessageType& status);
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bool HandleLevel1(cmArgumentList& newArgs, std::string&, MessageType&);
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bool HandleLevel2(cmArgumentList& newArgs, std::string& errorString,
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MessageType& status);
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bool HandleLevel3(cmArgumentList& newArgs, std::string& errorString,
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MessageType& status);
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bool HandleLevel4(cmArgumentList& newArgs, std::string& errorString,
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MessageType& status);
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cmMakefile& Makefile;
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cmListFileContext ExecutionContext;
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cmListFileBacktrace Backtrace;
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cmPolicies::PolicyStatus Policy12Status;
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cmPolicies::PolicyStatus Policy54Status;
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cmPolicies::PolicyStatus Policy57Status;
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cmPolicies::PolicyStatus Policy64Status;
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};
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#endif
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