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start work on reflection; bugfixes

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This commit is contained in:
Joel Dice
2007-07-23 19:44:20 -06:00
parent 472ecb1713
commit 5f3bf175e0
12 changed files with 575 additions and 136 deletions
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45
classpath/java/lang/reflect/Method.java
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@ -32,4 +32,49 @@ public class Method<T> extends AccessibleObject implements Member {
public String getName() {
return new String(name, 0, name.length - 1, false);
}
private static int next(char c, String s, int start) {
for (int i = start; i < s.length(); ++i) {
if (s.charAt(i) == c) return i;
}
throw new RuntimeException();
}
public Class[] getParameterTypes() {
int count = parameterCount;
if ((flags & Modifier.STATIC) == 0) {
-- count;
}
Class[] types = new Class[count];
int index = 0;
String spec = new String(this.spec, 1, this.spec.length - 1, false);
for (int i = 0; i < spec.length(); ++i) {
char c = spec.charAt(i);
if (c == 'L') {
String name = spec.substring(i + 1, next(';', spec, i + 1));
types[index++] = Class.forName(name);
} else if (c == '[') {
int start = i;
while (spec.charAt(i) == '[') ++i;
if (spec.charAt(i) == 'L') {
String name = spec.substring(start, next(';', spec, i + 1));
types[index++] = Class.forName(name);
} else {
String name = spec.substring(start, i + 1);
types[index++] = Class.forName(name);
}
} else {
String name = spec.substring(i, i + 1);
types[index++] = Class.forName(name);
}
}
return types;
}
public native Object invoke(Object instance, Object ... arguments);
}