Examples with IParseResult org.eclipse.xtext.parser.IParseResult used on opensource projects

Example 16 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class DynamicChannelTest method testParseSimpleLanguage.

@Test
public void testParseSimpleLanguage() throws Exception {
    IParseResult result = parse(model);
    assertNotNull(result);
    assertNotNull(result.getRootASTElement());
    assertNotNull(result.getRootNode());
    assertNotNull(result.getSyntaxErrors());
    assertFalse(result.hasSyntaxErrors());
    assertTrue(result.getSyntaxErrors().toString(), Iterables.isEmpty(result.getSyntaxErrors()));
}

Example 17 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-core by eclipse.

the class DynamicChannelTest method testNodeModelOfSimpleLanguage.

@Test
public void testNodeModelOfSimpleLanguage() throws Exception {
    IParseResult result = parse(model);
    List<ILeafNode> leafs = Lists.newArrayList(result.getRootNode().getLeafNodes());
    assertEquals(23, leafs.size());
    int i = 0;
    checkLeaf(leafs.get(i++), grammar, false);
    checkLeaf(leafs.get(i++), space, true);
    checkLeaf(leafs.get(i++), a, false);
    checkLeaf(leafs.get(i++), space, true);
    checkLeaf(leafs.get(i++), ext, false);
    checkLeaf(leafs.get(i++), space, true);
    checkLeaf(leafs.get(i++), b, false);
    checkLeaf(leafs.get(i++), dot, false);
    checkLeaf(leafs.get(i++), space, true);
    checkLeaf(leafs.get(i++), c, false);
    checkLeaf(leafs.get(i++), lb, true);
    checkLeaf(leafs.get(i++), comment, true);
    checkLeaf(leafs.get(i++), rulename, false);
    checkLeaf(leafs.get(i++), space + space, true);
    checkLeaf(leafs.get(i++), returns, false);
    checkLeaf(leafs.get(i++), space + lb, true);
    checkLeaf(leafs.get(i++), d, false);
    checkLeaf(leafs.get(i++), colon, false);
    checkLeaf(leafs.get(i++), space, true);
    checkLeaf(leafs.get(i++), name, false);
    checkLeaf(leafs.get(i++), ass, false);
    checkLeaf(leafs.get(i++), id, false);
    checkLeaf(leafs.get(i++), sc, false);
}

Example 18 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project n4js by eclipse.

the class HighlightingParserTester method getTokens.

/**
 * Parses the input and returns a list of lexer tokens. Asserts that the produced tokens are equal to the tokens
 * that the production parser produced.
 *
 * @return the tokens for the highlighting.
 */
public List<Token> getTokens(CharSequence input) {
    List<Token> result;
    IParseResult parseResult = parser.parse(new StringReader(input.toString()));
    if (!parseResult.hasSyntaxErrors()) {
        result = throwingHighlightingParser.getTokens(input);
    } else {
        result = highlightingParser.getTokens(input);
    }
    // assert equal tokens
    Iterator<Token> iter = result.iterator();
    for (ILeafNode leaf : parseResult.getRootNode().getLeafNodes()) {
        Assert.assertTrue("hasNext at index " + leaf.getTotalOffset() + " for leaf '" + leaf.getText() + "'", iter.hasNext());
        Token token = iter.next();
        // TODO: assert token type
        Assert.assertEquals(leaf.getText(), token.getText());
    }
    return result;
}

Example 19 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project statecharts by Yakindu.

the class AbstractSGenTest method parseExpression.

protected EObject parseExpression(String expression, String ruleName) {
    XtextResource resource = resourceProvider.get();
    resource.setURI(URI.createPlatformPluginURI("path", true));
    ParserRule parserRule = XtextFactory.eINSTANCE.createParserRule();
    parserRule.setName(ruleName);
    IParseResult result = parser.parse(parserRule, new StringReader(expression));
    EObject rootASTElement = result.getRootASTElement();
    resource.getContents().add(rootASTElement);
    ListBasedDiagnosticConsumer diagnosticsConsumer = new ListBasedDiagnosticConsumer();
    linker.linkModel(result.getRootASTElement(), diagnosticsConsumer);
    if (result.hasSyntaxErrors()) {
        StringBuilder errorMessages = new StringBuilder();
        Iterable<INode> syntaxErrors = result.getSyntaxErrors();
        for (INode iNode : syntaxErrors) {
            errorMessages.append(iNode.getSyntaxErrorMessage());
            errorMessages.append("\n");
        }
        throw new RuntimeException("Could not parse expression, syntax errors: " + errorMessages);
    }
    if (diagnosticsConsumer.hasConsumedDiagnostics(Severity.ERROR)) {
        throw new RuntimeException("Error during linking: " + diagnosticsConsumer.getResult(Severity.ERROR));
    }
    return rootASTElement;
}

Example 20 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project statecharts by Yakindu.

the class StextResource method parseStatechart.

protected void parseStatechart(Statechart statechart) {
    IParseResult parseResult = parse(statechart, StatechartSpecification.class.getSimpleName());
    StatechartSpecification rootASTElement = (StatechartSpecification) parseResult.getRootASTElement();
    statechart.setNamespace(rootASTElement.getNamespace());
    statechart.getScopes().clear();
    EList<Scope> definitionScopes = rootASTElement.getScopes();
    if (definitionScopes != null) {
        statechart.getScopes().addAll(definitionScopes);
    }
    statechart.getAnnotations().clear();
    EList<ArgumentedAnnotation> annotations = rootASTElement.getAnnotations();
    if (annotations != null) {
        statechart.getAnnotations().addAll(annotations);
    }
}