360 lines
9.0 KiB
C++
360 lines
9.0 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmDependsJavaParserHelper.h"
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#include "cmDependsJavaLexer.h"
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#include "cmSystemTools.h"
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#include <cmsys/FStream.hxx>
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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::AddFileNamesForPrinting(
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std::vector<std::string>* files, const char* prefix, const char* sep)
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{
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std::string rname = "";
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if (prefix) {
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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(); it != this->NestedClasses->end();
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++it) {
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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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return;
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}
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if (!*pt) {
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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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return;
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}
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std::vector<std::string>::iterator it;
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for (it = this->ClassesFound.begin(); it != this->ClassesFound.end(); it++) {
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if (*it == sclass) {
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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<std::string>::iterator it;
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for (it = this->PackagesImport.begin(); it != this->PackagesImport.end();
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it++) {
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if (*it == sclass) {
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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, int line,
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int cnt)
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{
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if (str) {
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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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unsigned char ch = str[cc];
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if (ch >= 32 && ch <= 126) {
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std::cout << (char)ch;
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} else {
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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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std::cout << "[" << place << "=" << str << "]" << std::endl;
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}
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}
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void cmDependsJavaParserHelper::CombineUnions(char** out, const char* in1,
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char** in2, 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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len += strlen(in1);
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}
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if (*in2) {
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len += strlen(*in2);
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}
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if (sep) {
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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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strcat(*out, in1);
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}
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if (sep) {
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strcat(*out, sep);
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}
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if (*in2) {
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strcat(*out, *in2);
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}
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if (*in2) {
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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::CheckEmpty(
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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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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::PrepareElement(
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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::AllocateParserType(
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cmDependsJavaParserHelper::ParserType* pt, 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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len = (int)strlen(str);
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}
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if (len == 0) {
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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.empty()) {
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current = &(*(this->ClassStack.end() - 1));
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if (this->ClassStack.size() > 1) {
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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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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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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.empty()) {
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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<std::string> files = this->GetFilesProduced();
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std::vector<std::string>::iterator sit;
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for (sit = files.begin(); sit != files.end(); ++sit) {
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std::cout << " " << *sit << ".class" << std::endl;
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}
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}
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std::vector<std::string> cmDependsJavaParserHelper::GetFilesProduced()
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{
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std::vector<std::string> 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(); ++it) {
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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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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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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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if (!this->CurrentPackage.empty()) {
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std::cout << "Current package is: " << this->CurrentPackage << std::endl;
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}
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std::cout << "Imports packages:";
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if (!this->PackagesImport.empty()) {
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std::vector<std::string>::iterator it;
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for (it = this->PackagesImport.begin(); it != this->PackagesImport.end();
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++it) {
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std::cout << " " << *it;
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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.empty()) {
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std::vector<std::string>::iterator it;
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for (it = this->ClassesFound.begin(); it != this->ClassesFound.end();
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++it) {
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std::cout << " " << *it;
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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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std::cout << "There are still " << this->UnionsAvailable
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<< " 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(); it != this->Allocates.end(); ++it) {
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delete[] * it;
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}
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this->Allocates.erase(this->Allocates.begin(), 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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return 0;
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}
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if (this->InputBufferPos < this->InputBuffer.size()) {
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buf[0] = this->InputBuffer[this->InputBufferPos++];
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if (buf[0] == '\n') {
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this->CurrentLine++;
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}
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return (1);
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} else {
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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", str, pos,
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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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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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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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return 0;
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}
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cmsys::ifstream ifs(file);
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if (!ifs) {
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return 0;
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}
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std::string fullfile = "";
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std::string line;
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while (cmSystemTools::GetLineFromStream(ifs, line)) {
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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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