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Prevent index out of bounds exception.

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This commit is contained in:
Cyrus Najmabadi 2015-02-09 14:55:54 -08:00
parent 17dd6c2de0
commit 2eb1a213c7
1 changed files with 2 additions and 1 deletions
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3
src/compiler/parser.ts
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@ -850,7 +850,7 @@ module ts {
// Much of the time the parser will need the very next node in the array that
// we just returned a node from.So just simply check for that case and move
// forward in the array instead of searching for the node again.
if (current && current.end === position && currentArrayIndex < currentArray.length) {
if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) {
currentArrayIndex++;
current = currentArray[currentArrayIndex];
}
@ -886,6 +886,7 @@ module ts {
// Recurse into the source file to find the highest node at this position.
forEachChild(sourceFile, visitNode, visitArray);
return;
function visitNode(node: Node) {
if (position >= node.pos && position < node.end) {