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EA-110552 - NPE: PatternCompilerImpl$LazyPresentablePattern.appendNode

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This commit is contained in:
Gregory.Shrago
2017-11-03 16:51:00 +03:00
parent d102f8e969
commit 6483ecdf64
1 changed files with 7 additions and 3 deletions
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platform/platform-impl/src/com/intellij/patterns/compiler/PatternCompilerImpl.java
+7 -3
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@@ -538,7 +538,7 @@ public class PatternCompilerImpl<T> implements PatternCompiler<T> {
final String method;
final Object[] args;
private Node(final Node target, final String method, final Object[] args) {
Node(@Nullable Node target, @Nullable String method, @Nullable Object[] args) {
this.target = target;
this.method = method;
this.args = args;
@@ -620,6 +620,9 @@ public class PatternCompilerImpl<T> implements PatternCompiler<T> {
@Override
public String toString() {
if (myNode.target == ERROR_NODE && myNode.args == null) {
return myNode.method;
}
StringBuilder sb = new StringBuilder();
appendNode(myNode, sb);
return sb.toString();
@@ -628,14 +631,15 @@ public class PatternCompilerImpl<T> implements PatternCompiler<T> {
private static void appendNode(Node node, StringBuilder sb) {
if (node.target == ERROR_NODE) {
sb.append(node.method);
return;
}
if (node.target != null) {
else if (node.target != null) {
appendNode(node.target, sb);
sb.append('.');
}
sb.append(node.method).append('(');
boolean first = true;
for (Object arg : node.args) {
for (Object arg : (node.args == null ? ArrayUtil.EMPTY_OBJECT_ARRAY : node.args)) {
if (first) first = false;
else sb.append(',').append(' ');
if (arg instanceof Node) {