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- /*============================================================================
- CMake - Cross Platform Makefile Generator
- Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
- Distributed under the OSI-approved BSD License (the "License");
- see accompanying file Copyright.txt for details.
- This software is distributed WITHOUT ANY WARRANTY; without even the
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the License for more information.
- ============================================================================*/
- #include "cmDependsJavaParserHelper.h"
- #include "cmSystemTools.h"
- #include "cmDependsJavaLexer.h"
- #include <cmsys/FStream.hxx>
- int cmDependsJava_yyparse( yyscan_t yyscanner );
- cmDependsJavaParserHelper::cmDependsJavaParserHelper()
- {
- this->CurrentDepth = 0;
- this->UnionsAvailable = 0;
- this->LastClassId = 0;
- CurrentClass tl;
- tl.Name = "*";
- this->ClassStack.push_back(tl);
- }
- cmDependsJavaParserHelper::~cmDependsJavaParserHelper()
- {
- this->CleanupParser();
- }
- void cmDependsJavaParserHelper::CurrentClass
- ::AddFileNamesForPrinting(std::vector<std::string> *files,
- const char* prefix, const char* sep)
- {
- std::string rname = "";
- if ( prefix )
- {
- rname += prefix;
- rname += sep;
- }
- rname += this->Name;
- files->push_back(rname);
- std::vector<CurrentClass>::iterator it;
- for ( it = this->NestedClasses->begin();
- it != this->NestedClasses->end();
- ++ it )
- {
- it->AddFileNamesForPrinting(files, rname.c_str(), sep);
- }
- }
- void cmDependsJavaParserHelper::DeallocateParserType(char** pt)
- {
- if (!pt)
- {
- return;
- }
- if (!*pt)
- {
- return;
- }
- *pt = 0;
- this->UnionsAvailable --;
- }
- void cmDependsJavaParserHelper::AddClassFound(const char* sclass)
- {
- if( ! sclass )
- {
- return;
- }
- std::vector<std::string>::iterator it;
- for ( it = this->ClassesFound.begin();
- it != this->ClassesFound.end();
- it ++ )
- {
- if ( *it == sclass )
- {
- return;
- }
- }
- this->ClassesFound.push_back(sclass);
- }
- void cmDependsJavaParserHelper::AddPackagesImport(const char* sclass)
- {
- std::vector<std::string>::iterator it;
- for ( it = this->PackagesImport.begin();
- it != this->PackagesImport.end();
- it ++ )
- {
- if ( *it == sclass )
- {
- return;
- }
- }
- this->PackagesImport.push_back(sclass);
- }
- void cmDependsJavaParserHelper::SafePrintMissing(const char* str,
- int line, int cnt)
- {
- if ( str )
- {
- std::cout << line << " String " << cnt << " exists: ";
- unsigned int cc;
- for ( cc = 0; cc < strlen(str); cc ++ )
- {
- unsigned char ch = str[cc];
- if ( ch >= 32 && ch <= 126 )
- {
- std::cout << (char)ch;
- }
- else
- {
- std::cout << "<" << (int)ch << ">";
- break;
- }
- }
- std::cout << "- " << strlen(str) << std::endl;
- }
- }
- void cmDependsJavaParserHelper::Print(const char* place, const char* str)
- {
- if ( this->Verbose )
- {
- std::cout << "[" << place << "=" << str << "]" << std::endl;
- }
- }
- void cmDependsJavaParserHelper::CombineUnions(char** out,
- const char* in1, char** in2,
- const char* sep)
- {
- size_t len = 1;
- if ( in1 )
- {
- len += strlen(in1);
- }
- if ( *in2 )
- {
- len += strlen(*in2);
- }
- if ( sep )
- {
- len += strlen(sep);
- }
- *out = new char [ len ];
- *out[0] = 0;
- if ( in1 )
- {
- strcat(*out, in1);
- }
- if ( sep )
- {
- strcat(*out, sep);
- }
- if ( *in2 )
- {
- strcat(*out, *in2);
- }
- if ( *in2 )
- {
- this->DeallocateParserType(in2);
- }
- this->UnionsAvailable ++;
- }
- void cmDependsJavaParserHelper
- ::CheckEmpty(int line, int cnt, cmDependsJavaParserHelper::ParserType* pt)
- {
- int cc;
- int kk = -cnt + 1;
- for ( cc = 1; cc <= cnt; cc ++)
- {
- cmDependsJavaParserHelper::ParserType* cpt = pt + kk;
- this->SafePrintMissing(cpt->str, line, cc);
- kk ++;
- }
- }
- void cmDependsJavaParserHelper
- ::PrepareElement(cmDependsJavaParserHelper::ParserType* me)
- {
- // Inititalize self
- me->str = 0;
- }
- void cmDependsJavaParserHelper
- ::AllocateParserType(cmDependsJavaParserHelper::ParserType* pt,
- const char* str, int len)
- {
- pt->str = 0;
- if ( len == 0 )
- {
- len = (int)strlen(str);
- }
- if ( len == 0 )
- {
- return;
- }
- this->UnionsAvailable ++;
- pt->str = new char[ len + 1 ];
- strncpy(pt->str, str, len);
- pt->str[len] = 0;
- this->Allocates.push_back(pt->str);
- }
- void cmDependsJavaParserHelper::StartClass(const char* cls)
- {
- CurrentClass cl;
- cl.Name = cls;
- this->ClassStack.push_back(cl);
- this->CurrentDepth ++;
- }
- void cmDependsJavaParserHelper::EndClass()
- {
- CurrentClass* parent = 0;
- CurrentClass* current = 0;
- if ( this->ClassStack.size() > 0 )
- {
- current = &(*(this->ClassStack.end() - 1));
- if ( this->ClassStack.size() > 1 )
- {
- parent = &(*(this->ClassStack.end() - 2));
- }
- }
- if ( current == 0 )
- {
- std::cerr << "Error when parsing. Current class is null" << std::endl;
- abort();
- }
- if ( parent == 0 )
- {
- std::cerr << "Error when parsing. Parent class is null" << std::endl;
- abort();
- }
- this->CurrentDepth --;
- parent->NestedClasses->push_back(*current);
- this->ClassStack.erase(this->ClassStack.end()-1, this->ClassStack.end());
- }
- void cmDependsJavaParserHelper::PrintClasses()
- {
- if ( this->ClassStack.size() == 0 )
- {
- std::cerr << "Error when parsing. No classes on class stack" << std::endl;
- abort();
- }
- std::vector<std::string> files = this->GetFilesProduced();
- std::vector<std::string>::iterator sit;
- for ( sit = files.begin();
- sit != files.end();
- ++ sit )
- {
- std::cout << " " << sit->c_str() << ".class" << std::endl;
- }
- }
- std::vector<std::string> cmDependsJavaParserHelper::GetFilesProduced()
- {
- std::vector<std::string> files;
- CurrentClass* toplevel = &(*(this->ClassStack.begin()));
- std::vector<CurrentClass>::iterator it;
- for ( it = toplevel->NestedClasses->begin();
- it != toplevel->NestedClasses->end();
- ++ it )
- {
- it->AddFileNamesForPrinting(&files, 0, "$");
- }
- return files;
- }
- int cmDependsJavaParserHelper::ParseString(const char* str, int verb)
- {
- if ( !str)
- {
- return 0;
- }
- this->Verbose = verb;
- this->InputBuffer = str;
- this->InputBufferPos = 0;
- this->CurrentLine = 0;
- yyscan_t yyscanner;
- cmDependsJava_yylex_init(&yyscanner);
- cmDependsJava_yyset_extra(this, yyscanner);
- int res = cmDependsJava_yyparse(yyscanner);
- cmDependsJava_yylex_destroy(yyscanner);
- if ( res != 0 )
- {
- std::cout << "JP_Parse returned: " << res << std::endl;
- return 0;
- }
- if ( verb )
- {
- if ( this->CurrentPackage.size() > 0 )
- {
- std::cout << "Current package is: " <<
- this->CurrentPackage.c_str() << std::endl;
- }
- std::cout << "Imports packages:";
- if ( this->PackagesImport.size() > 0 )
- {
- std::vector<std::string>::iterator it;
- for ( it = this->PackagesImport.begin();
- it != this->PackagesImport.end();
- ++ it )
- {
- std::cout << " " << it->c_str();
- }
- }
- std::cout << std::endl;
- std::cout << "Depends on:";
- if ( this->ClassesFound.size() > 0 )
- {
- std::vector<std::string>::iterator it;
- for ( it = this->ClassesFound.begin();
- it != this->ClassesFound.end();
- ++ it )
- {
- std::cout << " " << it->c_str();
- }
- }
- std::cout << std::endl;
- std::cout << "Generated files:" << std::endl;
- this->PrintClasses();
- if ( this->UnionsAvailable != 0 )
- {
- std::cout << "There are still " <<
- this->UnionsAvailable << " unions available" << std::endl;
- }
- }
- this->CleanupParser();
- return 1;
- }
- void cmDependsJavaParserHelper::CleanupParser()
- {
- std::vector<char*>::iterator it;
- for ( it = this->Allocates.begin();
- it != this->Allocates.end();
- ++ it )
- {
- delete [] *it;
- }
- this->Allocates.erase(this->Allocates.begin(),
- this->Allocates.end());
- }
- int cmDependsJavaParserHelper::LexInput(char* buf, int maxlen)
- {
- if ( maxlen < 1 )
- {
- return 0;
- }
- if ( this->InputBufferPos < this->InputBuffer.size() )
- {
- buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
- if ( buf[0] == '\n' )
- {
- this->CurrentLine ++;
- }
- return(1);
- }
- else
- {
- buf[0] = '\n';
- return( 0 );
- }
- }
- void cmDependsJavaParserHelper::Error(const char* str)
- {
- unsigned long pos = static_cast<unsigned long>(this->InputBufferPos);
- fprintf(stderr, "JPError: %s (%lu / Line: %d)\n",
- str, pos, this->CurrentLine);
- int cc;
- std::cerr << "String: [";
- for ( cc = 0;
- cc < 30 && *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
- cc ++ )
- {
- std::cerr << *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
- }
- std::cerr << "]" << std::endl;
- }
- void cmDependsJavaParserHelper::UpdateCombine(const char* str1,
- const char* str2)
- {
- if ( this->CurrentCombine == "" && str1 != 0)
- {
- this->CurrentCombine = str1;
- }
- this->CurrentCombine += ".";
- this->CurrentCombine += str2;
- }
- int cmDependsJavaParserHelper::ParseFile(const char* file)
- {
- if ( !cmSystemTools::FileExists(file))
- {
- return 0;
- }
- cmsys::ifstream ifs(file);
- if ( !ifs )
- {
- return 0;
- }
- std::string fullfile = "";
- std::string line;
- while ( cmSystemTools::GetLineFromStream(ifs, line) )
- {
- fullfile += line + "\n";
- }
- return this->ParseString(fullfile.c_str(), 0);
- }
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