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Add Character.isJavaIdentifierStart(char ch) and isJavaIdentifierPart(char ch)

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This commit is contained in:
Marcin Olawski 2015-02-06 15:26:40 +01:00
parent 4d91110fe7
commit ab3ee4c6e2
1 changed files with 29 additions and 0 deletions
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29
classpath/java/lang/Character.java
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@ -174,6 +174,35 @@ public final class Character implements Comparable<Character> {
return ch <= '\u001F' || (ch >= '\u007F' && ch <= '\u009F');
}
public static boolean isJavaIdentifierStart(char ch) {
if (isLetter(ch)){
return true;
}
if (ch == '$'){ //TODO: if (getType(ch)==CURRENCY_SYMBOL)
return true;
}
if (ch == '_'){
return true;
}
//TODO: if (getType(ch)==LETTER_NUMBER) return true
return false;
}
public static boolean isJavaIdentifierPart(char ch) {
if (isJavaIdentifierStart(ch)){
return true;
}
if (isDigit(ch)){
return true;
}
//TODO:Check for numeric letters (such as a Roman numeral character),combining marks,non-spacing marks
//if (isIdentifierIgnorable(ch)) return true
return false;
}
public static int toCodePoint(char high, char low) {
return (((high & 0x3FF) << 10) | (low & 0x3FF)) + 0x10000;
}