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8339320: Optimize ClassFile Utf8EntryImpl#inflate

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Reviewed-by: liach
This commit is contained in:
Shaojin Wen 2024-10-09 17:21:59 +00:00
parent fcc9c8d570
commit a24525b67b
1 changed files with 58 additions and 55 deletions
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7
src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java
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@ -246,8 +246,12 @@ public abstract sealed class AbstractPoolEntry {
this.contentHash = hash; this.contentHash = hash;
charLen = rawLen; charLen = rawLen;
state = State.BYTE; state = State.BYTE;
} else {
inflateNonAscii(singleBytes, hash);
} }
else { }
private void inflateNonAscii(int singleBytes, int hash) {
char[] chararr = new char[rawLen]; char[] chararr = new char[rawLen];
int chararr_count = singleBytes; int chararr_count = singleBytes;
// Inflate prefix of bytes to characters // Inflate prefix of bytes to characters
@ -306,7 +310,6 @@ public abstract sealed class AbstractPoolEntry {
this.chars = chararr; this.chars = chararr;
state = State.CHAR; state = State.CHAR;
} }
}
private ConstantPoolException malformedInput(int px) { private ConstantPoolException malformedInput(int px) {
return new ConstantPoolException("#%d: malformed modified UTF8 around byte %d".formatted(index(), px)); return new ConstantPoolException("#%d: malformed modified UTF8 around byte %d".formatted(index(), px));