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use same hash code whether readOnly or not

This commit is contained in:
Eric Vergnaud 2019-08-24 01:45:31 +08:00
parent badee1ffe1
commit 165dfa2b70
1 changed files with 3 additions and 5 deletions
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8
runtime/JavaScript/src/antlr4/atn/ATNConfigSet.js
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@ -175,7 +175,7 @@ ATNConfigSet.prototype.equals = function(other) {
ATNConfigSet.prototype.hashCode = function() {
var hash = new Hash();
this.updateHashCode(hash);
hash.update(this.configs);
return hash.finish();
};
@ -183,13 +183,11 @@ ATNConfigSet.prototype.hashCode = function() {
ATNConfigSet.prototype.updateHashCode = function(hash) {
if (this.readOnly) {
if (this.cachedHashCode === -1) {
var hash = new Hash();
hash.update(this.configs);
this.cachedHashCode = hash.finish();
this.cachedHashCode = this.hashCode();
}
hash.update(this.cachedHashCode);
} else {
hash.update(this.configs);
hash.update(this.hashCode());
}
};