Source/cmGeneratorExpressionDAGChecker.h

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #pragma once
   4
   5 #include "cmConfigure.h" // IWYU pragma: keep
   6
   7 #include <map>
   8 #include <set>
   9 #include <string>
  10
  11 #include "cmListFileCache.h"
  12
  13 struct GeneratorExpressionContent;
  14 struct cmGeneratorExpressionContext;
  15 class cmGeneratorTarget;
  16 class cmLocalGenerator;
  17
  18 struct cmGeneratorExpressionDAGChecker
  19 {
  20   cmGeneratorExpressionDAGChecker(cmListFileBacktrace backtrace,
  21                                   cmGeneratorTarget const* target,
  22                                   std::string property,
  23                                   const GeneratorExpressionContent* content,
  24                                   cmGeneratorExpressionDAGChecker* parent,
  25                                   cmLocalGenerator const* contextLG,
  26                                   std::string const& contextConfig);
  27   cmGeneratorExpressionDAGChecker(cmGeneratorTarget const* target,
  28                                   std::string property,
  29                                   const GeneratorExpressionContent* content,
  30                                   cmGeneratorExpressionDAGChecker* parent,
  31                                   cmLocalGenerator const* contextLG,
  32                                   std::string const& contextConfig);
  33
  34   enum Result
  35   {
  36     DAG,
  37     SELF_REFERENCE,
  38     CYCLIC_REFERENCE,
  39     ALREADY_SEEN
  40   };
  41
  42   Result Check() const;
  43
  44   void ReportError(cmGeneratorExpressionContext* context,
  45                    const std::string& expr);
  46
  47   bool EvaluatingTransitiveProperty() const;
  48   bool EvaluatingGenexExpression() const;
  49   bool EvaluatingPICExpression() const;
  50   bool EvaluatingCompileExpression() const;
  51   bool EvaluatingLinkExpression() const;
  52   bool EvaluatingLinkOptionsExpression() const;
  53   bool EvaluatingLinkerLauncher() const;
  54
  55   enum class ForGenex
  56   {
  57     ANY,
  58     LINK_LIBRARY,
  59     LINK_GROUP
  60   };
  61   bool EvaluatingLinkLibraries(cmGeneratorTarget const* tgt = nullptr,
  62                                ForGenex genex = ForGenex::ANY) const;
  63
  64   bool EvaluatingSources() const;
  65
  66   bool GetTransitivePropertiesOnly() const;
  67   void SetTransitivePropertiesOnly() { this->TransitivePropertiesOnly = true; }
  68
  69   bool GetTransitivePropertiesOnlyCMP0131() const;
  70   void SetTransitivePropertiesOnlyCMP0131() { this->CMP0131 = true; }
  71
  72   cmGeneratorTarget const* TopTarget() const;
  73
  74 private:
  75   Result CheckGraph() const;
  76
  77   const cmGeneratorExpressionDAGChecker* const Parent;
  78   const cmGeneratorExpressionDAGChecker* const Top;
  79   cmGeneratorTarget const* Target;
  80   const std::string Property;
  81   mutable std::map<cmGeneratorTarget const*, std::set<std::string>> Seen;
  82   const GeneratorExpressionContent* const Content;
  83   const cmListFileBacktrace Backtrace;
  84   Result CheckResult;
  85   bool TransitivePropertiesOnly = false;
  86   bool CMP0131 = false;
  87   bool TopIsTransitiveProperty = false;
  88 };