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/*******************************************************************************
* Copyright (c) 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Rational Software - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.parser.tests.scanner2;
import java.io.InputStream;
import java.util.Collections;
import java.util.Iterator;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.eclipse.cdt.core.parser.CodeReader;
import org.eclipse.cdt.core.parser.ExtendedScannerInfo;
import org.eclipse.cdt.core.parser.IParser;
import org.eclipse.cdt.core.parser.IScannerInfo;
import org.eclipse.cdt.core.parser.NullLogService;
import org.eclipse.cdt.core.parser.ParserFactory;
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.IASTScope;
import org.eclipse.cdt.core.parser.ast.IASTVariable;
import org.eclipse.cdt.core.parser.tests.CompleteParseBaseTest;
import org.eclipse.cdt.core.parser.tests.CompleteParsePluginTest;
import org.eclipse.cdt.core.parser.tests.FileBasePluginTest;
import org.eclipse.cdt.internal.core.parser.Parser;
import org.eclipse.cdt.internal.core.parser.ParserException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
/**
* @author jcamelon
*
*/
public class IncludeTest extends FileBasePluginTest {
private static final String [] EMPTY_STRING_ARRAY = new String[0];
/**
* @param name
* @param className
*/
public IncludeTest(String name) {
super(name, IncludeTest.class);
}
public static Test suite() {
TestSuite suite = new TestSuite( IncludeTest.class );
suite.addTest( new CompleteParsePluginTest("cleanupProject") ); //$NON-NLS-1$
return suite;
}
CompleteParseBaseTest.FullParseCallback c;
protected IASTScope parse(IFile code, ParserLanguage language, IScannerInfo scannerInfo ) throws Exception
{
c = new CompleteParseBaseTest.FullParseCallback();
InputStream stream = code.getContents();
IParser parser = ParserFactory.createParser(
ParserFactory.createScanner( new CodeReader( code.getLocation().toOSString(), stream ), scannerInfo, //$NON-NLS-1$
ParserMode.COMPLETE_PARSE, language, c, new NullLogService(), null ), c, ParserMode.COMPLETE_PARSE, language, null
);
stream.close();
boolean parseResult = parser.parse();
// throw exception if there are generated IProblems
if( !parseResult ) throw new ParserException( "FAILURE"); //$NON-NLS-1$
assertTrue( ((Parser)parser).validateCaches());
return c.getCompilationUnit();
}
public void testIncludeNext() throws Exception
{
String baseFile = "int zero; \n#include \"foo.h\""; //$NON-NLS-1$
String i1Next = "int one; \n#include_next <foo.h>"; //$NON-NLS-1$
String i2Next = "int two; \n#include_next \"foo.h\""; //$NON-NLS-1$
String i3Next = "int three; \n"; //$NON-NLS-1$
IFile base = importFile( "base.cpp", baseFile ); //$NON-NLS-1$
importFile( "foo.h", i1Next ); //$NON-NLS-1$
IFolder twof = importFolder("two"); //$NON-NLS-1$
IFolder threef = importFolder("three"); //$NON-NLS-1$
importFile( "two/foo.h", i2Next ); //$NON-NLS-1$
importFile( "three/foo.h", i3Next ); //$NON-NLS-1$
String [] path = new String[2];
path[0] = twof.getFullPath().toOSString();
path[1] = threef.getFullPath().toOSString();
IScannerInfo scannerInfo = new ExtendedScannerInfo( Collections.EMPTY_MAP, path, EMPTY_STRING_ARRAY, path );
Iterator i = parse( base, ParserLanguage.C, scannerInfo ).getDeclarations();
IASTVariable v;
assertTrue( i.hasNext() );
v = (IASTVariable) i.next();
assertEquals( v.getName(), "zero" ); //$NON-NLS-1$
assertTrue( i.hasNext() );
v = (IASTVariable) i.next();
assertEquals( v.getName(), "one" ); //$NON-NLS-1$
assertTrue( i.hasNext() );
v = (IASTVariable) i.next();
assertEquals( v.getName(), "two" ); //$NON-NLS-1$
assertTrue( i.hasNext() );
v = (IASTVariable) i.next();
assertEquals( v.getName(), "three" ); //$NON-NLS-1$
assertFalse( i.hasNext() );
}
public void testIncludePathOrdering() throws Exception
{
// create directory structure:
// project/base.cpp
// project/foo.h
// project/two/foo.h
// project/three/foo.h
// this test sets the include path to be two;three and include foo.h (we should see the contents of two/foo.h
// then we change to three;two and we should see the contents of three/foo.h.
String baseFile = "#include <foo.h>"; //$NON-NLS-1$
String i1Next = "int one;\n"; //$NON-NLS-1$
String i2Next = "int two;\n"; //$NON-NLS-1$
String i3Next = "int three;\n"; //$NON-NLS-1$
IFile base = importFile( "base.cpp", baseFile ); //$NON-NLS-1$
importFile( "foo.h", i1Next ); //$NON-NLS-1$
IFolder twof = importFolder("two"); //$NON-NLS-1$
IFolder threef = importFolder("three"); //$NON-NLS-1$
importFile( "two/foo.h", i2Next ); //$NON-NLS-1$
importFile( "three/foo.h", i3Next ); //$NON-NLS-1$
String [] path = new String[2];
path[0] = twof.getFullPath().toOSString();
path[1] = threef.getFullPath().toOSString();
IScannerInfo scannerInfo = new ExtendedScannerInfo( Collections.EMPTY_MAP, path, EMPTY_STRING_ARRAY, path );
Iterator i = parse( base, ParserLanguage.C, scannerInfo ).getDeclarations();
IASTVariable v;
assertTrue( i.hasNext() );
v = (IASTVariable) i.next();
assertEquals( v.getName(), "two" ); //$NON-NLS-1$
assertFalse( i.hasNext() );
path[0] = threef.getFullPath().toOSString();
path[1] = twof.getFullPath().toOSString();
scannerInfo = new ExtendedScannerInfo( Collections.EMPTY_MAP, path, EMPTY_STRING_ARRAY, path );
i = parse( base, ParserLanguage.C, scannerInfo ).getDeclarations();
assertTrue( i.hasNext() );
v = (IASTVariable) i.next();
assertEquals( v.getName(), "three" ); //$NON-NLS-1$
assertFalse( i.hasNext() );
}
public void testBug91086() throws Exception {
IFile inclusion = importFile( "file.h", "#define FOUND 666\n" ); //$NON-NLS-1$ //$NON-NLS-2$
StringBuffer buffer = new StringBuffer( "#include \"" ); //$NON-NLS-1$
buffer.append( inclusion.getLocation().toOSString() );
buffer.append( "\"\n"); //$NON-NLS-1$
buffer.append( "int var = FOUND;\n"); //$NON-NLS-1$
IFile code = importFile( "code.c", buffer.toString() ); //$NON-NLS-1$
for (ParserLanguage p = ParserLanguage.C; p != null; p = (p == ParserLanguage.C) ? ParserLanguage.CPP
: null) {
Iterator i = parse( code, p, new ScannerInfo() ).getDeclarations();
IASTVariable var = (IASTVariable) i.next();
assertEquals( var.getInitializerClause().getAssigmentExpression().getLiteralString(), "666" ); //$NON-NLS-1$
assertFalse( i.hasNext() );
}
}
}
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