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IDEA-127533 int field is displayed as char - show only reasonable ascii as chars

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2017-10-14 22:36:03 +02:00
parent a94daf713e
commit e6b0c48866
3 changed files with 72 additions and 11 deletions
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59
src/org/jetbrains/java/decompiler/util/TextUtil.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2014 JetBrains s.r.o.
* Copyright 2000-2016 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.
@@ -15,12 +15,23 @@
*/
package org.jetbrains.java.decompiler.util;
import org.jetbrains.java.decompiler.code.CodeConstants;
import org.jetbrains.java.decompiler.main.ClassesProcessor;
import org.jetbrains.java.decompiler.main.DecompilerContext;
import org.jetbrains.java.decompiler.main.TextBuffer;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
import java.util.Arrays;
import java.util.HashSet;
public class TextUtil {
private static final HashSet<String> KEYWORDS = new HashSet<>(Arrays.asList(
"abstract", "default", "if", "private", "this", "boolean", "do", "implements", "protected", "throw", "break", "double", "import",
"public", "throws", "byte", "else", "instanceof", "return", "transient", "case", "extends", "int", "short", "try", "catch", "final",
"interface", "static", "void", "char", "finally", "long", "strictfp", "volatile", "class", "float", "native", "super", "while",
"const", "for", "new", "switch", "continue", "goto", "package", "synchronized", "true", "false", "null", "assert"));
public static void writeQualifiedSuper(TextBuffer buf, String qualifier) {
ClassesProcessor.ClassNode classNode = (ClassesProcessor.ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
if (!qualifier.equals(classNode.classStruct.qualifiedName)) {
@@ -28,4 +39,48 @@ public class TextUtil {
}
buf.append("super");
}
}
public static String getIndentString(int length) {
if (length == 0) return "";
StringBuilder buf = new StringBuilder();
String indent = (String)DecompilerContext.getProperty(IFernflowerPreferences.INDENT_STRING);
while (length-- > 0) {
buf.append(indent);
}
return buf.toString();
}
public static boolean isPrintableUnicode(char c) {
int t = Character.getType(c);
return t != Character.UNASSIGNED && t != Character.LINE_SEPARATOR && t != Character.PARAGRAPH_SEPARATOR &&
t != Character.CONTROL && t != Character.FORMAT && t != Character.PRIVATE_USE && t != Character.SURROGATE;
}
public static String charToUnicodeLiteral(int value) {
String sTemp = Integer.toHexString(value);
sTemp = ("0000" + sTemp).substring(sTemp.length());
return "\\u" + sTemp;
}
public static boolean isValidIdentifier(String id, int version) {
return isJavaIdentifier(id) && !isKeyword(id, version);
}
private static boolean isJavaIdentifier(String id) {
if (id.isEmpty() || !Character.isJavaIdentifierStart(id.charAt(0))) {
return false;
}
for (int i = 1; i < id.length(); i++) {
if (!Character.isJavaIdentifierPart(id.charAt(i))) {
return false;
}
}
return true;
}
private static boolean isKeyword(String id, int version) {
return KEYWORDS.contains(id) || version > CodeConstants.BYTECODE_JAVA_5 && "enum".equals(id);
}
}