Increment match_calls atomically

This ensures the correctness of the counter value, i.e. the value is the number of calls to the match() method.
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neko1235 2019-09-10 21:16:49 -07:00 committed by GitHub
parent f11ce46ddf
commit db0a57c6ee
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1 changed files with 3 additions and 1 deletions

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@ -103,7 +103,9 @@ public class LexerATNSimulator extends ATNSimulator {
} }
public int match(CharStream input, int mode) { public int match(CharStream input, int mode) {
match_calls++; synchronized (LexerATNSimulator.class) {
match_calls++;
}
this.mode = mode; this.mode = mode;
int mark = input.mark(); int mark = input.mark();
try { try {