HG_REPOSITORIES/LPP/INSTRUMENTATION/VHDL_tools Files · vhdlparser/vhdl_file.cpp

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             vhdl_file.cpp
        
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             / vhdlparser / vhdl_file.cpp
          
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      #include "vhdl_file.h"

      #include <QDebug>

      VHDL_Tools::VHDL_File::VHDL_File()

      {

          this->scanner = NULL;

      }

      bool VHDL_Tools::VHDL_File::parseFile(const QString &file, bool trashPreviousTree)

      {

          std::ifstream in_file( file.toStdString().c_str() );

          if( ! in_file.good() ) return false;

          if(scanner==NULL)

          {

              try

              {

                  scanner = new VHDL_Tools::vhdl_Scanner( &in_file ,file);

              }

              catch( std::bad_alloc &ba )

              {

                  std::cerr << "Failed to allocate scanner: (" <<

                               ba.what() << ")\n";

                  return false;

              }

          }

          qDebug()<<"Parsing File "<<file<<"\n";

          scanner->newFile(&in_file,file,trashPreviousTree);

          while (scanner->scan()!=0);

          makeParseTree(scanner->getScanTree());

          return false;

      }

      VHDL_Tools::VHDL_AST_Node *VHDL_Tools::VHDL_File::getParseTree()

      {

          return rootNode;

      }

      int VHDL_Tools::VHDL_File::makeParseTree(VHDL_AST_Node *rootNode)

      {

          this->rootNode = rootNode;

          VHDL_AST_Node *currentNode=rootNode;

          QStack<VHDL_AST_Node*> openBlocks;

          openBlocks.push(rootNode);

          do

          {

              parseNext(&currentNode,&openBlocks);

          }while(currentNode->childs.count());

          return 0;

      }

      int VHDL_Tools::VHDL_File::parseNext(VHDL_Tools::VHDL_AST_Node **rootNode, QStack<VHDL_Tools::VHDL_AST_Node *> *openBlocksContext)

      {

          VHDL_AST_Node *currentNode=*rootNode;

          if(currentNode)

          {

              switch (currentNode->type)

              {

              case entity:

                  parse_Entity(&currentNode,openBlocksContext);

                  break;

              case architecture:

                  parse_Architecture(&currentNode,openBlocksContext);

                  break;

              case clause:

                  parse_Clause(&currentNode,openBlocksContext);

                  break;

              case package:

                  parse_Package(&currentNode,openBlocksContext);

                  break;

              default:

                  walk_forward(&currentNode,0);

                  break;

              }

          }

          *rootNode =currentNode;

          return 0;

      }

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				#include "vhdl_file.h"
				#include <QDebug>

				VHDL_Tools::VHDL_File::VHDL_File()
				{
				this->scanner = NULL;
				}


				bool VHDL_Tools::VHDL_File::parseFile(const QString &file, bool trashPreviousTree)
				{
				std::ifstream in_file( file.toStdString().c_str() );
				if( ! in_file.good() ) return false;
				if(scanner==NULL)
				{
				try
				{
				scanner = new VHDL_Tools::vhdl_Scanner( &in_file ,file);
				}
				catch( std::bad_alloc &ba )
				{
				std::cerr << "Failed to allocate scanner: (" <<
				ba.what() << ")\n";
				return false;
				}
				}
				qDebug()<<"Parsing File "<<file<<"\n";
				scanner->newFile(&in_file,file,trashPreviousTree);
				while (scanner->scan()!=0);
				makeParseTree(scanner->getScanTree());
				return false;
				}

				VHDL_Tools::VHDL_AST_Node *VHDL_Tools::VHDL_File::getParseTree()
				{
				return rootNode;
				}

				int VHDL_Tools::VHDL_File::makeParseTree(VHDL_AST_Node *rootNode)
				{
				this->rootNode = rootNode;
				VHDL_AST_Node *currentNode=rootNode;
				QStack<VHDL_AST_Node*> openBlocks;
				openBlocks.push(rootNode);
				do
				{
				parseNext(&currentNode,&openBlocks);
				}while(currentNode->childs.count());
				return 0;
				}

				int VHDL_Tools::VHDL_File::parseNext(VHDL_Tools::VHDL_AST_Node *rootNode, QStack<VHDL_Tools::VHDL_AST_Node > *openBlocksContext)
				{
				VHDL_AST_Node currentNode=rootNode;
				if(currentNode)
				{
				switch (currentNode->type)
				{
				case entity:
				parse_Entity(&currentNode,openBlocksContext);
				break;
				case architecture:
				parse_Architecture(&currentNode,openBlocksContext);
				break;
				case clause:
				parse_Clause(&currentNode,openBlocksContext);
				break;
				case package:
				parse_Package(&currentNode,openBlocksContext);
				break;
				default:
				walk_forward(&currentNode,0);
				break;
				}
				}
				*rootNode =currentNode;
				return 0;
				}