cmDependsJavaParserHelper.h 2.8 KB
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/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
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#ifndef cmDependsJavaParserHelper_h
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#define cmDependsJavaParserHelper_h

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#include <cmConfigure.h> // IWYU pragma: keep
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#include <string>
#include <vector>
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class cmDependsJavaParserHelper;

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#define YYSTYPE cmDependsJavaParserHelper::ParserType
#define YYSTYPE_IS_DECLARED
#define YY_EXTRA_TYPE cmDependsJavaParserHelper*
#define YY_DECL int cmDependsJava_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)

/** \class cmDependsJavaParserHelper
 * \brief Helper class for parsing java source files
 *
 * Finds dependencies for java file and list of outputs
 */

class cmDependsJavaParserHelper
{
public:
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  typedef struct
  {
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    char* str;
  } ParserType;

  cmDependsJavaParserHelper();
  ~cmDependsJavaParserHelper();

  int ParseString(const char* str, int verb);
  int ParseFile(const char* file);

  // For the lexer:
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  void AllocateParserType(cmDependsJavaParserHelper::ParserType* pt,
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                          const char* str, int len = 0);
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  int LexInput(char* buf, int maxlen);
  void Error(const char* str);

  // For yacc
  void AddClassFound(const char* sclass);
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  void PrepareElement(ParserType* me);
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  void DeallocateParserType(char** pt);
  void CheckEmpty(int line, int cnt, ParserType* pt);
  void StartClass(const char* cls);
  void EndClass();
  void AddPackagesImport(const char* sclass);
  void SetCurrentPackage(const char* pkg) { this->CurrentPackage = pkg; }
  const char* GetCurrentPackage() { return this->CurrentPackage.c_str(); }
  void SetCurrentCombine(const char* cmb) { this->CurrentCombine = cmb; }
  const char* GetCurrentCombine() { return this->CurrentCombine.c_str(); }
  void UpdateCombine(const char* str1, const char* str2);

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  std::vector<std::string>& GetClassesFound() { return this->ClassesFound; }
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  std::vector<std::string> GetFilesProduced();
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private:
  class CurrentClass
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  {
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  public:
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    std::string Name;
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    std::vector<CurrentClass> NestedClasses;
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    void AddFileNamesForPrinting(std::vector<std::string>* files,
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                                 const char* prefix, const char* sep) const;
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  };
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  std::string CurrentPackage;
  std::string::size_type InputBufferPos;
  std::string InputBuffer;
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  std::vector<char> OutputBuffer;
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  std::vector<std::string> ClassesFound;
  std::vector<std::string> PackagesImport;
  std::string CurrentCombine;
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  std::vector<CurrentClass> ClassStack;

  int CurrentLine;
  int UnionsAvailable;
  int LastClassId;
  int CurrentDepth;
  int Verbose;

  std::vector<char*> Allocates;

  void PrintClasses();

  void Print(const char* place, const char* str);
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  void CombineUnions(char** out, const char* in1, char** in2, const char* sep);
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  void SafePrintMissing(const char* str, int line, int cnt);

  void CleanupParser();
};

#endif