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Handel getRefrences for labels

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This commit is contained in:
Mohamed Hegazy
2014-08-13 13:01:32 -07:00
parent 69c653d5e8
commit bfd13347d4
5 changed files with 92 additions and 5 deletions
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37
src/services/services.ts
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@@ -1264,7 +1264,7 @@ module ts {
(<LabelledStatement>node.parent).label === node;
}
function isLabel(node: Node): boolean {
function isLabelName(node: Node): boolean {
return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node);
}
@@ -1881,6 +1881,7 @@ module ts {
return node;
}
switch (node.kind) {
case SyntaxKind.SourceFile:
case SyntaxKind.Method:
case SyntaxKind.FunctionDeclaration:
case SyntaxKind.FunctionExpression:
@@ -2105,12 +2106,21 @@ module ts {
}
// Labels
if (isLabel(node)) {
if (isLabelName(node)) {
var labelName = (<Identifier>node).text;
var labelDefinition = isJumpStatementTarget(node) ? getTargetLabel((<BreakOrContinueStatement>node.parent), (<Identifier>node).text) : node;
/// TODO handel labels
return undefined;
var labelScope: Node;
if (isJumpStatementTarget(node)) {
var labelDefinition = getTargetLabel((<BreakOrContinueStatement>node.parent), (<Identifier>node).text);
labelScope = labelDefinition ? labelDefinition.parent : getContainerNode(node);
}
else {
// it is a label definition and not a target, the scope is the labeledStatement
labelScope = node.parent;
}
return getLabelReferencesInNode(labelScope, labelName);
}
var symbol = typeChecker.getSymbolInfo(node);
@@ -2192,6 +2202,23 @@ module ts {
return positions;
}
function getLabelReferencesInNode(container: Node, labelName: string): ReferenceEntry[] {
var result: ReferenceEntry[] = [];
var sourceFile = container.getSourceFile();
var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd());
if (possiblePositions && possiblePositions.length > 0) {
possiblePositions.forEach(position => {
cancellationToken.throwIfCancellationRequested();
var node = getNodeAtPosition(sourceFile, position);
if (node && isLabelName(node) && node.getWidth() === labelName.length) {
result.push(getReferenceEntry(node));
}
});
}
return result;
}
function getReferencesInNode(container: Node, searchSymbol: Symbol, result: ReferenceEntry[]): void {
var searchSymbolName = searchSymbol.getName();