org.eclipse.xtext.ui.editor.syntaxcoloring.TokenScanner Java Examples

The following examples show how to use org.eclipse.xtext.ui.editor.syntaxcoloring.TokenScanner. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: TokenScannerTest.java    From xtext-eclipse with Eclipse Public License 2.0 6 votes vote down vote up 
@Test public void testFullRange() throws Exception {
	TokenScanner scanner = getTokenScanner(3, 4, 3, 2);
	scanner.setRange(null, 0, 12);

	scanner.nextToken();
	assertEquals(3, scanner.getTokenLength());
	assertEquals(0, scanner.getTokenOffset());
	scanner.nextToken();
	assertEquals(4, scanner.getTokenLength());
	assertEquals(3, scanner.getTokenOffset());
	scanner.nextToken();
	assertEquals(3, scanner.getTokenLength());
	assertEquals(7, scanner.getTokenOffset());
	scanner.nextToken();
	assertEquals(2, scanner.getTokenLength());
	assertEquals(10, scanner.getTokenOffset());
	assertEquals(Token.EOF, scanner.nextToken());
}
Example #2
Source File: TokenScannerTest.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
@Test public void testBeginning() throws Exception {
	TokenScanner scanner = getTokenScanner(3, 4, 3, 2);
	scanner.setRange(null, 0, 7);
	
	scanner.nextToken();
	assertEquals(3, scanner.getTokenLength());
	assertEquals(0, scanner.getTokenOffset());
	scanner.nextToken();
	assertEquals(4, scanner.getTokenLength());
	assertEquals(3, scanner.getTokenOffset());
	assertEquals(Token.EOF, scanner.nextToken());
}
Example #3
Source File: TokenScannerTest.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
@Test public void testMidRange() throws Exception {
	TokenScanner scanner = getTokenScanner(3, 4, 3, 2);
	scanner.setRange(null, 3, 7);
	
	scanner.nextToken();
	assertEquals(4, scanner.getTokenLength());
	assertEquals(3, scanner.getTokenOffset());
	scanner.nextToken();
	assertEquals(3, scanner.getTokenLength());
	assertEquals(7, scanner.getTokenOffset());
	assertEquals(Token.EOF, scanner.nextToken());
}
Example #4
Source File: TokenScannerTest.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
@Test public void testTrailingRange() throws Exception {
	TokenScanner scanner = getTokenScanner(3, 4, 3, 2);
	scanner.setRange(null, 7, 5);
	
	scanner.nextToken();
	assertEquals(3, scanner.getTokenLength());
	assertEquals(7, scanner.getTokenOffset());
	scanner.nextToken();
	assertEquals(2, scanner.getTokenLength());
	assertEquals(10, scanner.getTokenOffset());
	assertEquals(Token.EOF, scanner.nextToken());
}
Example #5
Source File: TokenScannerTest.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
public TokenScanner getTokenScanner(int... lengths) throws Exception {
	final List<ILexerTokenRegion> tokens = Lists.newArrayList();
	int offset = 0;
	for (final int length : lengths) {
		final int currentOffset = offset;
		tokens.add(new ILexerTokenRegion() {

			@Override
			public int getLength() {
				return length;
			}

			@Override
			public int getLexerTokenType() {
				return 4711;
			}
			
			@Override
			public int getOffset() {
				return currentOffset;
			}
		});
		offset+=length;
	}
	TokenScanner tokenScanner = new TokenScanner() {
		@Override
		protected Iterable<ILexerTokenRegion> getTokens(IDocument document) {
			return tokens;
		}
		
		@Override
		protected IToken createToken(ILexerTokenRegion token) {
			return Token.UNDEFINED;
		}
	};
	return tokenScanner;

}
Example #6
Source File: DefaultUiModule.java    From xtext-eclipse with Eclipse Public License 2.0 4 votes vote down vote up 
public Class<? extends ITokenScanner> bindITokenScanner() {
	return TokenScanner.class;
}