ENH: Initial import of java parser

Source/cmDependsJavaParserHelper.h

@@ -0,0 +1,108 @@
+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even 
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef cmDependsJavaParserHelper_h 
+#define cmDependsJavaParserHelper_h
+
+#include "cmStandardIncludes.h"
+
+#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:
+  typedef struct {
+    char* str;
+  } ParserType;
+
+  cmDependsJavaParserHelper();
+  ~cmDependsJavaParserHelper();
+
+  int ParseString(const char* str, int verb);
+  int ParseFile(const char* file);
+
+  // For the lexer:
+  void AllocateParserType(cmDependsJavaParserHelper::ParserType* pt, 
+    const char* str, int len = 0);
+
+  int LexInput(char* buf, int maxlen);
+  void Error(const char* str);
+
+  // For yacc
+  void AddClassFound(const char* sclass);
+  void PrepareElement(ParserType* opt);
+  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);
+
+  std::vector<cmStdString>& GetClassesFound() { return this->ClassesFound; }
+
+  std::vector<cmStdString> GetFilesProduced();
+
+private:
+  class CurrentClass
+    {
+  public:
+    cmStdString Name;
+    std::vector<CurrentClass> NestedClasses;
+    CurrentClass() {}
+    void AddFileNamesForPrinting(std::vector<cmStdString> *files, const char* prefix, const char* sep);
+    };
+  cmStdString CurrentPackage;
+  cmStdString::size_type InputBufferPos;
+  cmStdString InputBuffer;
+  std::vector<char> OutputBuffer;
+  std::vector<cmStdString> ClassesFound;
+  std::vector<cmStdString> PackagesImport;
+  cmStdString CurrentCombine;
+
+  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);
+  void CombineUnions(char** out, const char* in1, char** in2, const char* sep);
+  void SafePrintMissing(const char* str, int line, int cnt);
+
+  void CleanupParser();
+};
+
+#endif
+