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Merge pull request #842 from peturingi/master 

Added error checks.
This commit is contained in:
Terence Parr 2015-05-20 12:17:01 -07:00
parent e6de65a185 e64dbaec86
commit b2db5d17ad
1 changed files with 9 additions and 6 deletions
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15
runtime/Java/src/org/antlr/v4/runtime/misc/IntegerList.java
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@ -29,6 +29,7 @@
*/
package org.antlr.v4.runtime.misc;
import java.lang.IllegalArgumentException;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
@ -101,12 +102,11 @@ public class IntegerList {
public final void addAll(Collection<Integer> list) {
ensureCapacity(_size + list.size());
int current = 0;
for (int x : list) {
_data[_size + current] = x;
current++;
}
_size += list.size();
for (int x : list) {
_data[_size + current] = x;
current++;
}
_size += list.size();
}
public final int get(int index) {
@ -268,6 +268,9 @@ public class IntegerList {
if (fromIndex < 0 || toIndex < 0 || fromIndex > _size || toIndex > _size) {
throw new IndexOutOfBoundsException();
}
if (fromIndex > toIndex) {
throw new IllegalArgumentException();
}
return Arrays.binarySearch(_data, fromIndex, toIndex, key);
}