diff options
Diffstat (limited to 'Source/cmDependsJavaParserHelper.cxx')
-rw-r--r-- | Source/cmDependsJavaParserHelper.cxx | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/Source/cmDependsJavaParserHelper.cxx b/Source/cmDependsJavaParserHelper.cxx new file mode 100644 index 0000000..6136baa --- /dev/null +++ b/Source/cmDependsJavaParserHelper.cxx @@ -0,0 +1,429 @@ +/*============================================================================ + 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" + +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<cmStdString> *files, + const char* prefix, const char* sep) +{ + cmStdString 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<cmStdString>::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<cmStdString>::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<cmStdString> files = this->GetFilesProduced(); + std::vector<cmStdString>::iterator sit; + for ( sit = files.begin(); + sit != files.end(); + ++ sit ) + { + std::cout << " " << sit->c_str() << ".class" << std::endl; + } +} + +std::vector<cmStdString> cmDependsJavaParserHelper::GetFilesProduced() +{ + std::vector<cmStdString> 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<cmStdString>::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<cmStdString>::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; + } + std::ifstream ifs(file); + if ( !ifs ) + { + return 0; + } + + cmStdString fullfile = ""; + cmStdString line; + while ( cmSystemTools::GetLineFromStream(ifs, line) ) + { + fullfile += line + "\n"; + } + return this->ParseString(fullfile.c_str(), 0); +} + |