1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/**********************************************************************
* Copyright (c) 2002-2004 IBM Canada and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* IBM Rational Software - Initial API and implementation
***********************************************************************/
package org.eclipse.cdt.internal.core.parser.token;
import java.util.List;
import org.eclipse.cdt.core.parser.IToken;
import org.eclipse.cdt.core.parser.ITokenDuple;
import org.eclipse.cdt.internal.core.parser.scanner.IScannerContext;
import org.eclipse.cdt.internal.core.parser.scanner.IScannerData;
/**
* @author johnc
*/
public class TokenFactory {
static final String MAX_LONG_STRING = Long.toString( Long.MAX_VALUE );
static final int MAX_LONG_STRING_LENGTH = MAX_LONG_STRING.length();
static final String MAX_HEX_LONG_STRING = "0x" + Long.toString( Long.MAX_VALUE, 16 ); //$NON-NLS-1$
static final int MAX_HEX_LONG_STRING_LENGTH = MAX_HEX_LONG_STRING.length();
public static IToken createToken( int tokenType, IScannerData scannerData )
{
if( scannerData.getContextStack().getCurrentContext().getKind() == IScannerContext.ContextKind.MACROEXPANSION )
return new SimpleExpansionToken( tokenType, scannerData.getContextStack() );
return new SimpleToken( tokenType, scannerData.getContextStack() );
}
/**
* @param type
* @param image
* @param scannerData
* @return
*/
public static IToken createUniquelyImagedToken(int type, String image, IScannerData scannerData) {
if( scannerData.getContextStack().getCurrentContext().getKind() == IScannerContext.ContextKind.MACROEXPANSION )
return new ImagedExpansionToken( type, scannerData.getContextStack(), image );
return new ImagedToken(type, scannerData.getContextStack(), image );
}
public static IToken createStandAloneToken( int type, String image )
{
return new ImagedToken( type, image);
}
public static ITokenDuple createTokenDuple( IToken first, IToken last )
{
if( (first == last) && ( first instanceof ITokenDuple )) return (ITokenDuple) first;
return new TokenDuple( first, last );
}
public static ITokenDuple createTokenDuple( IToken first, IToken last, List templateArgLists )
{
if( (first == last) && ( templateArgLists == null ) && ( first instanceof ITokenDuple )) return (ITokenDuple) first;
return new TokenDuple( first, last, templateArgLists );
}
public static ITokenDuple createTokenDuple( ITokenDuple firstDuple, ITokenDuple secondDuple ){
return new TokenDuple( firstDuple, secondDuple );
}
}
|
