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/*******************************************************************************
* Copyright (c) 2014 Elphel, Inc.
* This file is a part of VDT plug-in.
* VDT plug-in is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* VDT plug-in is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional permission under GNU GPL version 3 section 7:
* If you modify this Program, or any covered work, by linking or combining it
* with Eclipse or Eclipse plugins (or a modified version of those libraries),
* containing parts covered by the terms of EPL/CPL, the licensors of this
* Program grant you additional permission to convey the resulting work.
* {Corresponding Source for a non-source form of such a combination shall
* include the source code for the parts of Eclipse or Eclipse plugins used
* as well as that of the covered work.}
*******************************************************************************/
package com.elphel.vdt.util;
import java.util.Map;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import com.elphel.vdt.VerilogUtils;
import com.elphel.vdt.veditor.VerilogPlugin;
import com.elphel.vdt.veditor.parser.HdlParserException;
import com.elphel.vdt.veditor.parser.OutlineContainer;
import com.elphel.vdt.veditor.parser.OutlineDatabase;
import com.elphel.vdt.veditor.parser.ParserFactory;
import com.elphel.vdt.veditor.parser.ParserReader;
import com.elphel.vdt.veditor.parser.verilog.VariableStore;
import com.elphel.vdt.veditor.parser.verilog.VerilogParser;
import com.elphel.vdt.veditor.parser.verilog.VerilogParserReader;
import com.elphel.vdt.veditor.preference.PreferenceStrings;
public class VerilogParseMultipass {
public VerilogParseMultipass(){
}
/**
* Parse specified verilog multiple times to resolve all parameters and ports, parametric instances
* @param file Verilog file to process
* @param processFile process file if true, otherwise just delete markers
* @return true on success, false on failure
*/
public boolean parseMultiPass (IFile file, boolean processFile){
IProject project = file.getProject();
VerilogParser parser=null;
VerilogPlugin.deleteMarkers(file);
if (!processFile) {
return true;
}
if (VerilogPlugin.getPreferenceBoolean(PreferenceStrings.DEBUG_EDITOR)) {
System.out.println ("parseMultiPass("+file+")");
}
String text= VerilogUtils.getEditorText(file);
try {
parser=null;
// VerilogParserReader handles verilog compiler directive
ParserReader reader = (text==null)?
(new VerilogParserReader(file.getContents(), file)): // use file
(new VerilogParserReader(text, file)); // use (possibly dirty) editor window
parser = (VerilogParser) ParserFactory.createVerilogParser(reader, project, file); // Creates file on outline database
//do we have parser
if(parser!= null){
parser.parse(1);
} else {
return false;
}
} catch (CoreException e) {
return false;
} catch (HdlParserException e){
return false;
}
OutlineDatabase database = OutlineDatabase.getProjectsDatabase(project);
if (database==null){
return false; // BUG?
}
OutlineContainer container=database.getOutlineContainer(file);
database.scanTree(file); // not needed, probably? Or should it be done before that?
// Second pass so module instances are known before processing assignments (current
// order is opposite. First pass creates warning markers and later defines instances.
// Second pass erases markers and uses hierarchical access to instances
// Andrey
int maxPass=2;
for (int numPass=2;numPass<=maxPass;numPass++){
// for Verilog only - save/restore variable store between parser passes (for parameters assigned after use)
Map<String,VariableStore> variableStoreMap=parser.getVariableStoreMap();
ParserReader reader;
try {
// reader = new VerilogParserReader(file.getContents(), file);
reader = (text==null)?
(new VerilogParserReader(file.getContents(), file)): // use file
(new VerilogParserReader(text, file)); // use (possibly dirty) editor window
} catch (CoreException e) {
System.out.println("BUG: parseMultiPass() could not create VerilogParserReader() e="+e);
return false;
}
parser = (VerilogParser) ParserFactory.createVerilogParser(reader, project, file);
parser.setLastVariableStoreMap(variableStoreMap);
if (VerilogPlugin.getPreferenceBoolean(PreferenceStrings.DEBUG_EDITOR))
System.out.println("======== parseMultiPass, pass = "+numPass+" ============");
VerilogPlugin.deleteMarkers(file);
try{
parser.parse(numPass);
}
catch (HdlParserException e){
System.out.println("BUG: parseMultiPass() parser("+numPass+") failed, e="+e);
return false;
}
if (numPass==2){
int rank=parser.getParametersRank();
if (rank>=0) maxPass= rank+2;
}
if (VerilogPlugin.getPreferenceBoolean(PreferenceStrings.DEBUG_EDITOR)) {
System.out.println("parseMultiPass: getDepsResolved()= "+parser.getDepsResolved()+" file:"+file);
System.out.println("parseMultiPass: getParsResolved()= "+parser.getParsResolved()+" file:"+file);
System.out.println("parseMultiPass: getExpressionsValid()="+parser.getExpressionsValid()+" file:"+file);
System.out.println("parseMultiPass: getPortsValid()= "+parser.getPortsValid()+" file:"+file);
}
if (parser.getExpressionsValid() || (numPass == maxPass)) {
parser.setParametricPorts();
break; // all done
}
}
return true;
}
}