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435 lines
9.7 KiB
435 lines
9.7 KiB
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile: cmDependsJavaParserHelper.cxx,v $
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Language: C++
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Date: $Date: 2006-05-10 19:01:22 $
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Version: $Revision: 1.5 $
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmDependsJavaParserHelper.h"
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#include "cmSystemTools.h"
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#include "cmDependsJavaLexer.h"
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int cmDependsJava_yyparse( yyscan_t yyscanner );
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cmDependsJavaParserHelper::cmDependsJavaParserHelper()
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{
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this->CurrentDepth = 0;
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this->UnionsAvailable = 0;
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this->LastClassId = 0;
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CurrentClass tl;
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tl.Name = "*";
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this->ClassStack.push_back(tl);
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}
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cmDependsJavaParserHelper::~cmDependsJavaParserHelper()
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{
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this->CleanupParser();
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}
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void cmDependsJavaParserHelper::CurrentClass
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::AddFileNamesForPrinting(std::vector<cmStdString> *files,
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const char* prefix, const char* sep)
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{
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cmStdString rname = "";
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if ( prefix )
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{
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rname += prefix;
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rname += sep;
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}
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rname += this->Name;
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files->push_back(rname);
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std::vector<CurrentClass>::iterator it;
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for ( it = this->NestedClasses.begin();
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it != this->NestedClasses.end();
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++ it )
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{
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it->AddFileNamesForPrinting(files, rname.c_str(), sep);
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}
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}
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void cmDependsJavaParserHelper::DeallocateParserType(char** pt)
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{
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if (!pt)
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{
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return;
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}
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if (!*pt)
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{
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return;
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}
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*pt = 0;
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this->UnionsAvailable --;
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}
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void cmDependsJavaParserHelper::AddClassFound(const char* sclass)
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{
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if( ! sclass )
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{
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return;
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}
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std::vector<cmStdString>::iterator it;
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for ( it = this->ClassesFound.begin();
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it != this->ClassesFound.end();
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it ++ )
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{
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if ( *it == sclass )
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{
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return;
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}
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}
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this->ClassesFound.push_back(sclass);
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}
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void cmDependsJavaParserHelper::AddPackagesImport(const char* sclass)
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{
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std::vector<cmStdString>::iterator it;
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for ( it = this->PackagesImport.begin();
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it != this->PackagesImport.end();
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it ++ )
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{
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if ( *it == sclass )
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{
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return;
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}
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}
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this->PackagesImport.push_back(sclass);
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}
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void cmDependsJavaParserHelper::SafePrintMissing(const char* str,
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int line, int cnt)
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{
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if ( str )
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{
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std::cout << line << " String " << cnt << " exists: ";
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unsigned int cc;
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for ( cc = 0; cc < strlen(str); cc ++ )
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{
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unsigned char ch = str[cc];
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if ( ch >= 32 && ch <= 126 )
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{
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std::cout << (char)ch;
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}
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else
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{
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std::cout << "<" << (int)ch << ">";
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break;
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}
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}
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std::cout << "- " << strlen(str) << std::endl;
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}
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}
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void cmDependsJavaParserHelper::Print(const char* place, const char* str)
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{
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if ( this->Verbose )
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{
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std::cout << "[" << place << "=" << str << "]" << std::endl;
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}
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}
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void cmDependsJavaParserHelper::CombineUnions(char** out,
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const char* in1, char** in2,
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const char* sep)
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{
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size_t len = 1;
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if ( in1 )
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{
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len += strlen(in1);
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}
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if ( *in2 )
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{
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len += strlen(*in2);
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}
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if ( sep )
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{
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len += strlen(sep);
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}
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*out = new char [ len ];
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*out[0] = 0;
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if ( in1 )
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{
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strcat(*out, in1);
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}
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if ( sep )
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{
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strcat(*out, sep);
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}
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if ( *in2 )
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{
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strcat(*out, *in2);
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}
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if ( *in2 )
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{
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this->DeallocateParserType(in2);
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}
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this->UnionsAvailable ++;
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}
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void cmDependsJavaParserHelper
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::CheckEmpty(int line, int cnt, cmDependsJavaParserHelper::ParserType* pt)
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{
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int cc;
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int kk = -cnt + 1;
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for ( cc = 1; cc <= cnt; cc ++)
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{
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cmDependsJavaParserHelper::ParserType* cpt = pt + kk;
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this->SafePrintMissing(cpt->str, line, cc);
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kk ++;
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}
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}
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void cmDependsJavaParserHelper
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::PrepareElement(cmDependsJavaParserHelper::ParserType* me)
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{
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// Inititalize self
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me->str = 0;
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}
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void cmDependsJavaParserHelper
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::AllocateParserType(cmDependsJavaParserHelper::ParserType* pt,
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const char* str, int len)
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{
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pt->str = 0;
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if ( len == 0 )
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{
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len = (int)strlen(str);
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}
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if ( len == 0 )
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{
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return;
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}
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this->UnionsAvailable ++;
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pt->str = new char[ len + 1 ];
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strncpy(pt->str, str, len);
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pt->str[len] = 0;
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this->Allocates.push_back(pt->str);
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}
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void cmDependsJavaParserHelper::StartClass(const char* cls)
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{
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CurrentClass cl;
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cl.Name = cls;
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this->ClassStack.push_back(cl);
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this->CurrentDepth ++;
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}
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void cmDependsJavaParserHelper::EndClass()
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{
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CurrentClass* parent = 0;
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CurrentClass* current = 0;
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if ( this->ClassStack.size() > 0 )
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{
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current = &(*(this->ClassStack.end() - 1));
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if ( this->ClassStack.size() > 1 )
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{
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parent = &(*(this->ClassStack.end() - 2));
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}
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}
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if ( current == 0 )
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{
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std::cerr << "Error when parsing. Current class is null" << std::endl;
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abort();
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}
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if ( parent == 0 )
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{
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std::cerr << "Error when parsing. Parent class is null" << std::endl;
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abort();
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}
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this->CurrentDepth --;
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parent->NestedClasses.push_back(*current);
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this->ClassStack.erase(this->ClassStack.end()-1, this->ClassStack.end());
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}
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void cmDependsJavaParserHelper::PrintClasses()
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{
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if ( this->ClassStack.size() == 0 )
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{
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std::cerr << "Error when parsing. No classes on class stack" << std::endl;
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abort();
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}
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std::vector<cmStdString> files = this->GetFilesProduced();
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std::vector<cmStdString>::iterator sit;
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for ( sit = files.begin();
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sit != files.end();
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++ sit )
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{
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std::cout << " " << sit->c_str() << ".class" << std::endl;
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}
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}
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std::vector<cmStdString> cmDependsJavaParserHelper::GetFilesProduced()
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{
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std::vector<cmStdString> files;
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CurrentClass* toplevel = &(*(this->ClassStack.begin()));
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std::vector<CurrentClass>::iterator it;
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for ( it = toplevel->NestedClasses.begin();
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it != toplevel->NestedClasses.end();
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++ it )
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{
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it->AddFileNamesForPrinting(&files, 0, "$");
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}
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return files;
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}
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int cmDependsJavaParserHelper::ParseString(const char* str, int verb)
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{
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if ( !str)
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{
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return 0;
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}
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this->Verbose = verb;
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this->InputBuffer = str;
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this->InputBufferPos = 0;
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this->CurrentLine = 0;
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yyscan_t yyscanner;
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cmDependsJava_yylex_init(&yyscanner);
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cmDependsJava_yyset_extra(this, yyscanner);
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int res = cmDependsJava_yyparse(yyscanner);
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cmDependsJava_yylex_destroy(yyscanner);
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if ( res != 0 )
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{
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std::cout << "JP_Parse returned: " << res << std::endl;
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return 0;
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}
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if ( verb )
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{
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if ( this->CurrentPackage.size() > 0 )
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{
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std::cout << "Current package is: " <<
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this->CurrentPackage.c_str() << std::endl;
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}
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std::cout << "Imports packages:";
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if ( this->PackagesImport.size() > 0 )
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{
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std::vector<cmStdString>::iterator it;
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for ( it = this->PackagesImport.begin();
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it != this->PackagesImport.end();
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++ it )
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{
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std::cout << " " << it->c_str();
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}
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}
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std::cout << std::endl;
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std::cout << "Depends on:";
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if ( this->ClassesFound.size() > 0 )
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{
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std::vector<cmStdString>::iterator it;
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for ( it = this->ClassesFound.begin();
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it != this->ClassesFound.end();
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++ it )
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{
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std::cout << " " << it->c_str();
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}
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}
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std::cout << std::endl;
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std::cout << "Generated files:" << std::endl;
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this->PrintClasses();
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if ( this->UnionsAvailable != 0 )
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{
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std::cout << "There are still " <<
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this->UnionsAvailable << " unions available" << std::endl;
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}
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}
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this->CleanupParser();
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return 1;
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}
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void cmDependsJavaParserHelper::CleanupParser()
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{
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std::vector<char*>::iterator it;
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for ( it = this->Allocates.begin();
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it != this->Allocates.end();
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++ it )
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{
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delete [] *it;
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}
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this->Allocates.erase(this->Allocates.begin(),
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this->Allocates.end());
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}
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int cmDependsJavaParserHelper::LexInput(char* buf, int maxlen)
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{
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if ( maxlen < 1 )
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{
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return 0;
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}
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if ( this->InputBufferPos < this->InputBuffer.size() )
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{
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buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
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if ( buf[0] == '\n' )
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{
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this->CurrentLine ++;
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}
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return(1);
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}
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else
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{
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buf[0] = '\n';
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return( 0 );
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}
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}
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void cmDependsJavaParserHelper::Error(const char* str)
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{
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unsigned long pos = static_cast<unsigned long>(this->InputBufferPos);
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fprintf(stderr, "JPError: %s (%lu / Line: %d)\n",
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str, pos, this->CurrentLine);
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int cc;
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std::cerr << "String: [";
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for ( cc = 0;
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cc < 30 && *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
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cc ++ )
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{
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std::cerr << *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
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}
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std::cerr << "]" << std::endl;
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}
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void cmDependsJavaParserHelper::UpdateCombine(const char* str1,
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const char* str2)
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{
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if ( this->CurrentCombine == "" && str1 != 0)
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{
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this->CurrentCombine = str1;
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}
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this->CurrentCombine += ".";
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this->CurrentCombine += str2;
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}
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int cmDependsJavaParserHelper::ParseFile(const char* file)
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{
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if ( !cmSystemTools::FileExists(file))
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{
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return 0;
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}
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std::ifstream ifs(file);
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if ( !ifs )
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{
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return 0;
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}
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cmStdString fullfile = "";
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cmStdString line;
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while ( cmSystemTools::GetLineFromStream(ifs, line) )
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{
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fullfile += line + "\n";
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}
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return this->ParseString(fullfile.c_str(), 0);
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}
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