Java Code Examples for org.eclipse.xtext.util.LineAndColumn#getLine()

@Override
protected IssueLocation getLocationForNode(INode node) {
	ITextRegionWithLineInformation nodeRegion = node.getTextRegionWithLineInformation();
	N4JSIssueLocation result = new N4JSIssueLocation();
	result.offset = nodeRegion.getOffset();
	result.length = nodeRegion.getLength();

	LineAndColumn lineAndColumnStart = NodeModelUtils.getLineAndColumn(node, result.offset);
	result.lineNumber = lineAndColumnStart.getLine();
	result.column = lineAndColumnStart.getColumn();

	LineAndColumn lineAndColumnEnd = NodeModelUtils.getLineAndColumn(node, result.offset + result.length);
	result.lineNumberEnd = lineAndColumnEnd.getLine();
	result.columnEnd = lineAndColumnEnd.getColumn();
	return result;
}
 

/**
 * Here we use the target of the original cross reference "id", "property", or "declaredType" to set the rewired
 * target (i.e. symbol table entry) of the corresponding IM-model reference "id_IM", "property_IM", or
 * "declaredType_IM".
 */
private void rewire(EObject eObject, ReferencingElement_IM copyEObject) {
	final IdentifiableElement originalTarget = getOriginalTargetOfNodeToRewire(eObject);
	final SymbolTableEntry rewiredTarget;
	if (!originalTarget.eIsProxy()) {
		// standard case: original target is a valid IdentifiableElement
		rewiredTarget = getSymbolTableEntry(originalTarget, true);
		copyEObject.setRewiredTarget(rewiredTarget);
	} else {
		// special case: unresolved proxy
		// -> this is usually an error, except in the following special cases:
		if (eObject instanceof ParameterizedPropertyAccessExpression) {
			// property access to an any+ type
			// -> because we know the transpiler is never invoked for resources that contain errors, we can
			// simply assume that we have the any+ case without actually checking the type of the receiver
			final String propName = getPropertyAsString((ParameterizedPropertyAccessExpression) eObject);
			((ParameterizedPropertyAccessExpression_IM) copyEObject).setAnyPlusAccess(true);
			((ParameterizedPropertyAccessExpression_IM) copyEObject).setNameOfAnyPlusProperty(propName);
		} else if (isDynamicNamespaceReference(eObject)) {
			// type references via dynamic namespace imports can still be transpiled
			// (no additional properties to set in ParameterizedTypeRef_IM)
		} else if (eObject instanceof IdentifierRef && eObject.eContainer() instanceof JSXElementName) {
			// name of a JSX element, e.g. the "div" in something like: <div prop='value'></div>
			String tagName = ((IdentifierRef) eObject).getIdAsText();
			((IdentifierRef_IM) copyEObject).setIdAsText(tagName);
		} else if (MigrationUtils.isMigrateCall(eObject.eContainer())) {
			// unresolved migrate-calls can still be transpiled
		} else {
			final ICompositeNode node = NodeModelUtils.findActualNodeFor(eObject);
			final LineAndColumn pos = NodeModelUtils.getLineAndColumn(node, node.getOffset());
			throw new UnresolvedProxyInSubGeneratorException(
					eObject.eResource(), pos.getLine(), pos.getColumn());
		}
	}
}
 

/**
 * Computes {@link IssueLocation} for the given offset and length in the given node.
 * 
 * @since 2.21
 */
protected IssueLocation getLocationForNode(INode node, int offset, int length) {
	IssueLocation result = new IssueLocation();
	result.offset = offset;
	result.length = length;
	
	LineAndColumn lineAndColumnStart = NodeModelUtils.getLineAndColumn(node, offset);
	result.lineNumber = lineAndColumnStart.getLine();
	result.column = lineAndColumnStart.getColumn();
	
	LineAndColumn lineAndColumnEnd = NodeModelUtils.getLineAndColumn(node, offset + length);
	result.lineNumberEnd = lineAndColumnEnd.getLine();
	result.columnEnd = lineAndColumnEnd.getColumn();
	return result;
}
 

public Position newPosition(Resource resource, int offset) {
	if (resource instanceof XtextResource) {
		ICompositeNode rootNode = ((XtextResource) resource).getParseResult().getRootNode();
		LineAndColumn lineAndColumn = getLineAndColumn(rootNode, offset);
		return new Position(lineAndColumn.getLine() - 1, lineAndColumn.getColumn() - 1);
	}
	return null;
}
 

/**
 * Creates new ScriptError.
 *
 * This constructor uses the given EObject instance to calculate the exact position.
 *
 * @param message Error Message
 * @param atEObject the EObject instance to use for calculating the position
 *
 */
public ScriptError(final String message, final EObject atEObject) {
    this.message = message;
    INode node = NodeModelUtils.getNode(atEObject);
    LineAndColumn lac = NodeModelUtils.getLineAndColumn(node, node.getOffset());
    this.line = lac.getLine();
    this.column = lac.getColumn();
    this.length = node.getEndOffset() - node.getOffset();
}
 

/**
 * Creates new ScriptError.
 *
 * This constructor uses the given EObject instance to calculate the exact position.
 *
 * @param message Error Message
 * @param atEObject the EObject instance to use for calculating the position
 *
 */
public ScriptError(final String message, final EObject atEObject) {
    this.message = message;
    INode node = NodeModelUtils.getNode(atEObject);
    LineAndColumn lac = NodeModelUtils.getLineAndColumn(node, node.getOffset());
    this.line = lac.getLine();
    this.column = lac.getColumn();
    this.length = node.getEndOffset() - node.getOffset();
}