bool handle_args (EnvT* e)
    {

    // handle Log options passing via Keywords
    // note: undocumented keywords [xyz]type still exist and
    // have priority on [xyz]log ! 
    static int xTypeIx = e->KeywordIx( "XTYPE" );
    static int yTypeIx = e->KeywordIx( "YTYPE" );
    static int zTypeIx = e->KeywordIx( "ZTYPE" );
    static int xLogIx = e->KeywordIx( "XLOG" );
    static int yLogIx = e->KeywordIx( "YLOG" );
    static int zLogIx = e->KeywordIx( "ZLOG" );
    static int xTickunitsIx = e->KeywordIx( "XTICKUNITS" );
    static int yTickunitsIx = e->KeywordIx( "YTICKUNITS" );
    static int zTickunitsIx = e->KeywordIx( "ZTICKUNITS" );

    if ( e->KeywordPresent( xTypeIx ) ) xLog = e->KeywordSet( xTypeIx ); else xLog = e->KeywordSet( xLogIx );
    if ( e->KeywordPresent( yTypeIx ) ) yLog = e->KeywordSet( yTypeIx ); else yLog = e->KeywordSet( yLogIx );
    if ( e->KeywordPresent( zTypeIx ) ) zLog = e->KeywordSet( zTypeIx ); else zLog = e->KeywordSet( zLogIx );

    if ( xLog && e->KeywordSet( xTickunitsIx ) ) {
      Message( "PLOT: LOG setting ignored for Date/Time TICKUNITS." );
      xLog = FALSE;
    }
    if ( yLog && e->KeywordSet( yTickunitsIx ) ) {
      Message( "PLOT: LOG setting ignored for Date/Time TICKUNITS." );
      yLog = FALSE;
    }
    if ( zLog && e->KeywordSet( zTickunitsIx ) ) {
      Message( "PLOT: LOG setting ignored for Date/Time TICKUNITS." );
      zLog = FALSE;
    }

      if ( nParam ( )==1 )
      {
        if ( (e->GetNumericArrayParDefined ( 0 ))->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        xEl=zVal->Dim ( 1 );
        yEl=zVal->Dim ( 0 );

        xVal=new DDoubleGDL ( dimension ( xEl ), BaseGDL::INDGEN );
        xval_guard.reset ( xVal ); // delete upon exit
        if (xLog) xVal->Inc();
        yVal=new DDoubleGDL ( dimension ( yEl ), BaseGDL::INDGEN );
        yval_guard.reset ( yVal ); // delete upon exit
        if (yLog) yVal->Inc();
      }
      else if ( nParam ( )==2||nParam ( )>3 )
      {
        e->Throw ( "Incorrect number of arguments." );
      }
      else
      {
        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );
        xVal=e->GetParAs< DDoubleGDL>( 1 );
        yVal=e->GetParAs< DDoubleGDL>( 2 );

        if ( xVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( yVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( xVal->Rank ( )==1 )
        {
          xEl=xVal->Dim ( 0 );

          if ( xEl!=zVal->Dim ( 1 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

        if ( yVal->Rank ( )==1 )
        {
          yEl=yVal->Dim ( 0 );

          if ( yEl!=zVal->Dim ( 0 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

      }

      GetMinMaxVal ( xVal, &xStart, &xEnd );
      GetMinMaxVal ( yVal, &yStart, &yEnd );
      //XRANGE and YRANGE overrides all that, but  Start/End should be recomputed accordingly
      DDouble xAxisStart, xAxisEnd, yAxisStart, yAxisEnd;
      bool setx=gdlGetDesiredAxisRange(e, "X", xAxisStart, xAxisEnd);
      bool sety=gdlGetDesiredAxisRange(e, "Y", yAxisStart, yAxisEnd);
      if(setx && sety)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (sety)
      {
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (setx)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        //must compute min-max for other axis!
        {
          gdlDoRangeExtrema(xVal,yVal,yStart,yEnd,xStart,xEnd);
        }
      }
  #undef UNDEF_RANGE_VALUE
      // z range
      datamax=0.0;
      datamin=0.0;
      GetMinMaxVal ( zVal, &datamin, &datamax );
      zStart=datamin;
      zEnd=datamax;
      setZrange = gdlGetDesiredAxisRange(e, "Z", zStart, zEnd);

      //SHADES: Doing the job will be for nothing since plplot does not give the functionality.
      static int shadesIx=e->KeywordIx ( "SHADES" ); doShade=false;
      if ( e->GetKW ( shadesIx )!=NULL )
      {
        shades=e->GetKWAs<DLongGDL>( shadesIx ); doShade=true;
      } else {
        // Get COLOR from PLOT system variable
        static DStructGDL* pStruct=SysVar::P();
        shades=new DLongGDL( 1, BaseGDL::NOZERO );
        shades_guard.Init ( shades ); // delete upon exit
        shades=static_cast<DLongGDL*>(pStruct->GetTag(pStruct->Desc()->TagIndex("COLOR"), 0)); doShade=false;
      }
      if (doShade) Warning ( "SHADE_SURF: SHADES array ignored, shading with current color table." );
        return false;
    } 
// execute one line of code (commands and statements)
DInterpreter::CommandCode DInterpreter::ExecuteLine( istream* in, SizeT lineOffset)
{
  string line = (in != NULL) ? ::GetLine(in) : GetLine();

  // cout << "ExecuteLine: " << line << endl;

  string firstChar = line.substr(0,1);

  // command
  if( firstChar == ".") 
    {
      return ExecuteCommand( line.substr(1));
    }

  //  online help (if possible, start a browser)
  if( firstChar == "?") 
    {
      // later, we will have to check whether we have X11/Display or not
      // on some computing nodes on supercomputers, this is de-activated.
      if (line.substr(1).length() > 0) {
	line=line.substr(1);
	StrTrim(line);
	line="online_help, '"+line+"'"; //'
      } else {
	line="online_help";
      }
    }
  
  // shell command
  if( firstChar == "#") 
    {
      if (line.substr(1).length() > 0) {
	line=line.substr(1);
	StrTrim(line);
	line=StrUpCase(line);
	//cout << "yes ! >>"<<StrUpCase(line)<<"<<" << endl;
	SizeT nProFun;
	int nbFound=0;
	// looking in internal procedures
	nProFun=libProList.size();
	for( SizeT i = 0; i<nProFun; ++i)
	  {
	    if (line.compare(libProList[ i]->Name()) == 0) {
	      cout << "Internal PROCEDURE : " << libProList[ i]->ToString() << endl;
	      nbFound++;
	      break;
	    }
	  }
	// looking in internal functions
	nProFun = libFunList.size();
	for( SizeT i = 0; i<nProFun; ++i)
	  {
	    if (line.compare(libFunList[ i]->Name()) == 0) {
	      cout << "Internal FUNCTION : " << libFunList[ i]->ToString() << endl;
	      nbFound++;
	      break;
	    }
	  }
	// looking in compiled functions
	nProFun = funList.size();
	for( SizeT i = 0; i<nProFun; ++i)
	  {
	    if (line.compare(funList[ i]->Name()) == 0) {
	      cout << "Compiled FUNCTION : " << funList[ i]->ToString() << endl;
	      nbFound++;
	      break;
	    }
	  }
	// looking in compiled procedures
	nProFun = proList.size();
	for( SizeT i = 0; i<nProFun; ++i)
	  {
	    if (line.compare(proList[ i]->Name()) == 0) {
	      cout << "Compiled PROCEDURE : " << proList[ i]->ToString() << endl;
	      nbFound++;
	      break;
	    }
	  }
	if (nbFound == 0) {
	  cout << "No Procedure/Function, internal or compiled, with name : "<< line << endl;
	}
      } else {
	cout << "Please provide a pro/fun name !" << endl;
      }
      return CC_OK;
    }

  // shell command
  if( firstChar == "$") 
    {
      ExecuteShellCommand( line.substr(1));
      return CC_OK;
    }

  // include (only when at $MAIN$)
  // during compilation this is handled by the interpreter
  if( firstChar == "@" && callStack.size() <= 1) 
    {
      string fileRaw = line.substr(1);
      StrTrim( fileRaw);

      string file = fileRaw;
      AppendExtension( file);
      
      bool found = CompleteFileName( file);
      if( !found)
	{
	  file = fileRaw;
	  CompleteFileName( file);
	}

      ExecuteFile( file);
      return CC_OK;
    }

  // statement -> execute it
  executeLine.clear(); // clear EOF (for executeLine)
  executeLine.str( line + "\n"); // append new line

  RefDNode theAST;
  try { 
    Guard<GDLLexer> lexer;

    // LineContinuation LC
    // conactenate the strings and insert \n
    // the resulting string can be fed to the lexer
   
    // print if expr parse ok 
    int lCNum = 0;
    for(;;) 
      {
	lexer.Reset( new GDLLexer(executeLine, "", callStack.back()->CompileOpt()));
	try {
	  // works, but ugly -> depends from parser detecting an error
	  // (which it always will due to missing END_U token in case of LC)
 	  //lexer->Parser().SetCompileOpt(callStack.back()->CompileOpt());
 	  lexer.Get()->Parser().interactive();
	  break; // no error -> everything ok
	}
	catch( GDLException& e)
	  {
	    int lCNew = lexer.Get()->LineContinuation();
	    if( lCNew == lCNum)
// 	      throw; // no LC -> real error
	{
#ifdef 	AUTO_PRINT_EXPR
#ifndef GDL_DEBUG 		
 		try {
// 			executeLine.clear(); // clear EOF (for executeLine)
// 			lexer.reset( new GDLLexer(executeLine, "", callStack.back()->CompileOpt()));
// 			lexer->Parser().expr();
	
			executeLine.clear(); // clear EOF (for executeLine)
			executeLine.str( "print," + executeLine.str()); // append new line
			
			lexer.reset( new GDLLexer(executeLine, "", callStack.back()->CompileOpt()));
			lexer->Parser().interactive();
			
			break; // no error -> everything ok
		}
		catch( GDLException& e2)
#endif
#endif
		{
			throw e;
		}
	}

	    lCNum = lCNew; // save number to see if next line also has LC
	  }



	// line continuation -> get next line
	if( in != NULL && !in->good())
	  throw GDLException( "End of file encountered during line continuation.");
	
	string cLine = (in != NULL) ? ::GetLine(in) : GetLine();

	executeLine.clear(); // clear EOF (for executeLine)
	executeLine.str( executeLine.str() + cLine + "\n"); // append new line
      } 
    
    //    lexer->Parser().interactive();
    theAST = lexer.Get()->Parser().getAST();

  }
  catch( GDLException& e)
    {
      ReportCompileError( e);
      return CC_OK;
    }
  catch( ANTLRException& e)
    {
      cerr << "Lexer/Parser exception: " <<  e.getMessage() << endl;
      return CC_OK;
    }

  if( theAST == NULL) return CC_OK;

    // consider line offset
    if( lineOffset > 0)
		AddLineOffset( lineOffset, theAST);

#ifdef GDL_DEBUG
  antlr::print_tree pt;
  cout << "Parser output:" << endl;
  pt.pr_tree(static_cast<antlr::RefAST>(theAST));
  cout << "ExecuteLine: Parser end." << endl;
#endif

  ProgNodeP progAST = NULL;

  RefDNode trAST;
	
  assert( dynamic_cast<EnvUDT*>(callStack.back()) != NULL);
  EnvUDT* env = static_cast<EnvUDT*>(callStack.back());
  int nForLoopsIn = env->NForLoops();
  try
    {
      GDLTreeParser treeParser( callStack.back());
	  
      treeParser.interactive(theAST);

      trAST=treeParser.getAST();

  if( trAST == NULL)
    {
      // normal condition for cmd line procedure calls
      return CC_OK;
    }	

#ifdef GDL_DEBUG
  cout << "Tree parser output (RefDNode):" << endl;
  pt.pr_tree(static_cast<antlr::RefAST>(trAST));
  cout << "ExecuteLine: Tree parser end." << endl;
#endif

	// **************************************
	// this is the call of the ProgNode factory
	// **************************************
    progAST = ProgNode::NewProgNode( trAST);

	assert( dynamic_cast<EnvUDT*>(callStack.back()) != NULL);
    EnvUDT* env = static_cast<EnvUDT*>(callStack.back());
    int nForLoops = ProgNode::NumberForLoops( progAST, nForLoopsIn);
	env->ResizeForLoops( nForLoops);
    }
  catch( GDLException& e)
    {
	  env->ResizeForLoops( nForLoopsIn);
      
      ReportCompileError( e);
      return CC_OK;
    }
  catch( ANTLRException& e)
    {
	  env->ResizeForLoops( nForLoopsIn);
      
      cerr << "Compiler exception: " <<  e.getMessage() << endl;
      return CC_OK;
    }
  Guard< ProgNode> progAST_guard( progAST);

  try
    {
      
#ifdef GDL_DEBUG
  cout << "Converted tree (ProgNode):" << endl;
  pt.pr_tree( progAST);
  cout << "end." << endl;
#endif

      RetCode retCode = interactive( progAST);
      
	  env->ResizeForLoops( nForLoopsIn);
      
      // write to journal file
      string actualLine = GetClearActualLine();
      if( actualLine != "") lib::write_journal( actualLine); 
  
      if( retCode == RC_RETURN) return CC_RETURN;
      return CC_OK;
    }
  catch( GDLException& e)
    {
	  env->ResizeForLoops( nForLoopsIn);
      
      cerr << "Unhandled GDL exception: " <<  e.toString() << endl;
      return CC_OK;
    }
  catch( ANTLRException& e)
    {
	  env->ResizeForLoops( nForLoopsIn);
      
      cerr << "Interpreter exception: " <<  e.getMessage() << endl;
      return CC_OK;
    }

  return CC_OK;
}
Ejemplo n.º 3
0
    bool handle_args (EnvT* e)
    {
      xLog=e->KeywordSet ( "XLOG" );
      yLog=e->KeywordSet ( "YLOG" );
      zLog=e->KeywordSet ( "ZLOG" );
      if ( nParam ( )==1 )
      {
        if ( (e->GetNumericArrayParDefined ( 0 ))->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        xEl=zVal->Dim ( 1 );
        yEl=zVal->Dim ( 0 );

        xVal=new DDoubleGDL ( dimension ( xEl ), BaseGDL::INDGEN );
        xval_guard.reset ( xVal ); // delete upon exit
        if (xLog) xVal->Inc();
        yVal=new DDoubleGDL ( dimension ( yEl ), BaseGDL::INDGEN );
        yval_guard.reset ( yVal ); // delete upon exit
        if (yLog) yVal->Inc();
      }
      else if ( nParam ( )==2||nParam ( )>3 )
      {
        e->Throw ( "Incorrect number of arguments." );
      }
      else
      {
        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );
        xVal=e->GetParAs< DDoubleGDL>( 1 );
        yVal=e->GetParAs< DDoubleGDL>( 2 );

        if ( xVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( yVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( xVal->Rank ( )==1 )
        {
          xEl=xVal->Dim ( 0 );

          if ( xEl!=zVal->Dim ( 1 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

        if ( yVal->Rank ( )==1 )
        {
          yEl=yVal->Dim ( 0 );

          if ( yEl!=zVal->Dim ( 0 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

      }

      GetMinMaxVal ( xVal, &xStart, &xEnd );
      GetMinMaxVal ( yVal, &yStart, &yEnd );
      //XRANGE and YRANGE overrides all that, but  Start/End should be recomputed accordingly
      DDouble xAxisStart, xAxisEnd, yAxisStart, yAxisEnd;
      bool setx=gdlGetDesiredAxisRange(e, "X", xAxisStart, xAxisEnd);
      bool sety=gdlGetDesiredAxisRange(e, "Y", yAxisStart, yAxisEnd);
      if(setx && sety)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (sety)
      {
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (setx)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        //must compute min-max for other axis!
        {
          gdlDoRangeExtrema(xVal,yVal,yStart,yEnd,xStart,xEnd);
        }
      }
  #undef UNDEF_RANGE_VALUE
      // z range
      datamax=0.0;
      datamin=0.0;
      GetMinMaxVal ( zVal, &datamin, &datamax );
      zStart=datamin;
      zEnd=datamax;
      setZrange = gdlGetDesiredAxisRange(e, "Z", zStart, zEnd);

        return false;
    }