import java.io.IOException;
import java.util.Iterator;

import org.eclipse.cdt.core.parser.CodeReader;
import org.eclipse.cdt.core.parser.IParser;
import org.eclipse.cdt.core.parser.IProblem;
import org.eclipse.cdt.core.parser.ISourceElementRequestor;
import org.eclipse.cdt.core.parser.NullLogService;
import org.eclipse.cdt.core.parser.ParserFactory;
import org.eclipse.cdt.core.parser.ParserFactoryError;
import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.ParserMode;
import org.eclipse.cdt.core.parser.ScannerInfo;
import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTClassReference;
import org.eclipse.cdt.core.parser.ast.IASTClassSpecifier;
import org.eclipse.cdt.core.parser.ast.IASTCodeScope;
import org.eclipse.cdt.core.parser.ast.IASTCompilationUnit;
import org.eclipse.cdt.core.parser.ast.IASTDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTElaboratedTypeSpecifier;
import org.eclipse.cdt.core.parser.ast.IASTEnumerationReference;
import org.eclipse.cdt.core.parser.ast.IASTEnumerationSpecifier;
import org.eclipse.cdt.core.parser.ast.IASTEnumeratorReference;
import org.eclipse.cdt.core.parser.ast.IASTField;
import org.eclipse.cdt.core.parser.ast.IASTFieldReference;
import org.eclipse.cdt.core.parser.ast.IASTFunction;
import org.eclipse.cdt.core.parser.ast.IASTFunctionReference;
import org.eclipse.cdt.core.parser.ast.IASTInclusion;
import org.eclipse.cdt.core.parser.ast.IASTLinkageSpecification;
import org.eclipse.cdt.core.parser.ast.IASTMacro;
import org.eclipse.cdt.core.parser.ast.IASTMethod;
import org.eclipse.cdt.core.parser.ast.IASTMethodReference;
import org.eclipse.cdt.core.parser.ast.IASTNamespaceDefinition;
import org.eclipse.cdt.core.parser.ast.IASTNamespaceReference;
import org.eclipse.cdt.core.parser.ast.IASTParameterReference;
import org.eclipse.cdt.core.parser.ast.IASTTemplateDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTTemplateInstantiation;
import org.eclipse.cdt.core.parser.ast.IASTTemplateParameterReference;
import org.eclipse.cdt.core.parser.ast.IASTTemplateSpecialization;
import org.eclipse.cdt.core.parser.ast.IASTTypedefDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTTypedefReference;
import org.eclipse.cdt.core.parser.ast.IASTUsingDeclaration;
import org.eclipse.cdt.core.parser.ast.IASTUsingDirective;
import org.eclipse.cdt.core.parser.ast.IASTVariable;
import org.eclipse.cdt.core.parser.ast.IASTVariableReference;

public class CDTParserTest {

	static class ParserCallBack implements ISourceElementRequestor{

		public void acceptVariable(IASTVariable arg0) {
			
		}

		public void acceptFunctionDeclaration(IASTFunction arg0) {
		}
		
		public void enterFunctionBody(IASTFunction arg0) {
			System.out.println("Function found");
			System.out.println("Name: "+arg0.getName());
			System.out.println("Starting at: "+arg0.getStartingOffset());
			System.out.println("Ending at: "+arg0.getEndingOffset());
			System.out.println("Name starts at: "+arg0.getNameOffset());
			System.out.println("Name ends at: "+arg0.getNameEndOffset());
		}
		
		public void acceptTypedefDeclaration(IASTTypedefDeclaration arg0) {}

		public void acceptEnumerationSpecifier(IASTEnumerationSpecifier arg0) {}	

		public void enterNamespaceDefinition(IASTNamespaceDefinition arg0) {}

		public void enterClassSpecifier(IASTClassSpecifier arg0) {
			
		}	

		public void acceptField(IASTField arg0) {
			
		}

		public void acceptClassReference(IASTClassReference arg0) {
			
		}

		public void acceptTypedefReference(IASTTypedefReference arg0) {}

		public void acceptVariableReference(IASTVariableReference arg0) {
			
		}

		public void acceptFunctionReference(IASTFunctionReference arg0) {
			
		}

		public void acceptFieldReference(IASTFieldReference arg0) {}

		public void acceptParameterReference(IASTParameterReference arg0) {
						
		}
		
		public void acceptAbstractTypeSpecDeclaration(IASTAbstractTypeSpecifierDeclaration arg0) {
			
		}

		public void acceptMethodDeclaration(IASTMethod arg0) {
			
		}

		public void acceptMethodReference(IASTMethodReference arg0) {
			
		}
		
		public void enterMethodBody(IASTMethod arg0) {
			
		}
		
		/* UNIMPLEMENTED INTERFACE FUNCTIIONS */
		public void enterCodeBlock(IASTCodeScope arg0) {}
		public void acceptMacro(IASTMacro arg0) {}
		public void acceptUsingDirective(IASTUsingDirective arg0) {}
		public void acceptUsingDeclaration(IASTUsingDeclaration arg0) {}
		public void acceptASMDefinition(IASTASMDefinition arg0) {}
		public void acceptElaboratedForewardDeclaration(IASTElaboratedTypeSpecifier arg0) {}
		public void exitFunctionBody(IASTFunction arg0) {}
		public void exitCodeBlock(IASTCodeScope arg0) {}
		public void enterCompilationUnit(IASTCompilationUnit arg0) {}
		public void enterInclusion(IASTInclusion arg0) {}
		public void enterLinkageSpecification(IASTLinkageSpecification arg0) {}
		public void enterTemplateDeclaration(IASTTemplateDeclaration arg0) {}
		public void enterTemplateSpecialization(IASTTemplateSpecialization arg0) {}
		public void exitMethodBody(IASTMethod arg0) {}
		public void enterTemplateInstantiation(IASTTemplateInstantiation arg0) {}
		public void acceptTemplateParameterReference(IASTTemplateParameterReference arg0) {}
		public void acceptEnumeratorReference(IASTEnumeratorReference arg0) {}
		public void acceptNamespaceReference(IASTNamespaceReference arg0) {}
		public void acceptEnumerationReference(IASTEnumerationReference arg0) {}
		public void acceptFriendDeclaration(IASTDeclaration arg0) {}
		public void exitTemplateDeclaration(IASTTemplateDeclaration arg0) {}
		public void exitTemplateSpecialization(IASTTemplateSpecialization arg0) {}
		public void exitTemplateExplicitInstantiation(IASTTemplateInstantiation arg0) {}
		public void exitLinkageSpecification(IASTLinkageSpecification arg0) {}
		public void exitClassSpecifier(IASTClassSpecifier arg0) {}
		public void exitNamespaceDefinition(IASTNamespaceDefinition arg0) {}
		public void exitInclusion(IASTInclusion arg0) {}
		public void exitCompilationUnit(IASTCompilationUnit arg0) {}
		public CodeReader createReader(String arg0, Iterator arg1) {
			return null;
		}
		public boolean acceptProblem(IProblem arg0) {
			return false;
		}
	}
	
	/**
	 * @param args
	 * @throws IOException 
	 * @throws ParserFactoryError 
	 */
	public static void main(String[] args) throws ParserFactoryError, IOException {
		ParserCallBack callback = new ParserCallBack();
		IParser parser = ParserFactory.createParser(
				ParserFactory.createScanner(args[0], new ScannerInfo(), ParserMode.COMPLETE_PARSE,
						ParserLanguage.CPP, callback, new NullLogService(), null),
				callback,
				ParserMode.COMPLETE_PARSE,
				ParserLanguage.CPP,
				new NullLogService());
		
		if(!parser.parse())
			System.err.println("Some errors found during parse");
	}	
}