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avoid CCE

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This commit is contained in:
Alexey Kudravtsev
2015-04-09 14:38:46 +03:00
parent 86f21f9119
commit bb9133df50
1 changed files with 16 additions and 22 deletions
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platform/core-impl/src/com/intellij/psi/impl/source/CharTableImpl.java
+16 -22
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2009 JetBrains s.r.o.
* Copyright 2000-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@ package com.intellij.psi.impl.source;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.CommonClassNames;
import com.intellij.util.CharTable;
import com.intellij.util.ReflectionUtil;
import com.intellij.util.text.CharArrayUtil;
import com.intellij.util.text.StringFactory;
import gnu.trove.TIntObjectHashMap;
@@ -40,11 +41,7 @@ public class CharTableImpl implements CharTable {
@NotNull
@Override
public CharSequence intern(@NotNull final CharSequence text) {
CharSequence result;
if (text.length() > INTERN_THRESHOLD) result = createSequence(text);
else result = doIntern(text);
return result;
return text.length() > INTERN_THRESHOLD ? createSequence(text) : doIntern(text);
}
@NotNull
@@ -210,27 +207,23 @@ public class CharTableImpl implements CharTable {
for (Field field : aClass.getDeclaredFields()) {
if ((field.getModifiers() & Modifier.STATIC) == 0) continue;
if ((field.getModifiers() & Modifier.PUBLIC) == 0) continue;
String typeName;
try {
typeName = (String)field.get(null);
String typeName = ReflectionUtil.getField(aClass, null, String.class, field.getName());
if (typeName != null) {
staticIntern(typeName);
}
catch (Exception e) {
continue;
}
staticIntern(typeName);
}
}
private static class StringHashToCharSequencesMap extends TIntObjectHashMap<Object> {
StringHashToCharSequencesMap(int capacity, float loadFactor) {
private StringHashToCharSequencesMap(int capacity, float loadFactor) {
super(capacity, loadFactor);
}
CharSequence get(CharSequence sequence, int startOffset, int endOffset) {
private CharSequence get(CharSequence sequence, int startOffset, int endOffset) {
return getSubSequenceWithHashCode(subSequenceHashCode(sequence, startOffset, endOffset), sequence, startOffset, endOffset);
}
CharSequence getSubSequenceWithHashCode(int hashCode, CharSequence sequence, int startOffset, int endOffset) {
private CharSequence getSubSequenceWithHashCode(int hashCode, CharSequence sequence, int startOffset, int endOffset) {
Object o = get(hashCode);
if (o == null) return null;
if (o instanceof CharSequence) {
@@ -238,15 +231,16 @@ public class CharTableImpl implements CharTable {
return (CharSequence)o;
}
return null;
} else if (o instanceof CharSequence[]) {
}
if (o instanceof CharSequence[]) {
for(CharSequence cs:(CharSequence[])o) {
if (charSequenceSubSequenceEquals(cs, sequence, startOffset, endOffset)) {
return cs;
}
}
} else {
assert false:o.getClass();
return null;
}
assert false:o.getClass();
return null;
}
@@ -259,15 +253,15 @@ public class CharTableImpl implements CharTable {
return true;
}
CharSequence get(CharSequence sequence) {
private CharSequence get(CharSequence sequence) {
return get(sequence, 0, sequence.length());
}
CharSequence add(CharSequence sequence) {
private CharSequence add(CharSequence sequence) {
return add(sequence, 0, sequence.length());
}
CharSequence add(CharSequence sequence, int startOffset, int endOffset) {
private CharSequence add(CharSequence sequence, int startOffset, int endOffset) {
int hashCode = subSequenceHashCode(sequence, startOffset, endOffset);
return getOrAddSubSequenceWithHashCode(hashCode, sequence, startOffset, endOffset);
}