import java.io.*;
/** Class representing a field in a generated classfile
- @see ClassGen#addField */
-public class FieldGen implements CGConst {
- private final CPGen cp;
- private final String name;
- private final Type type;
- private final int flags;
- private final ClassGen.AttrGen attrs;
-
- private Object constantValue;
+ @see ClassFile#addField */
+public class FieldGen extends Type.Class.Field.Body {
+
+ StringBuffer toString(StringBuffer sb) {
+ sb.append(ClassFile.flagsToString(flags, false));
+ sb.append(getField().getType().toString());
+ sb.append(" ");
+ sb.append(getField().getName());
+ if (attrs.contains("ConstantValue")) sb.append(" = \"").append(attrs.get("ConstantValue")).append("\"");
+ sb.append(";");
+ return sb;
+ }
- FieldGen(DataInput in) { throw new Error("Brian is lame"); }
- FieldGen(ClassGen owner, String name, Type type, int flags) {
- if((flags & ~(ACC_PUBLIC|ACC_PRIVATE|ACC_PROTECTED|ACC_VOLATILE|ACC_TRANSIENT|ACC_STATIC|ACC_FINAL)) != 0)
- throw new IllegalArgumentException("invalid flags");
- this.cp = owner.cp;
- this.name = name;
- this.type = type;
- this.flags = flags;
- this.attrs = new ClassGen.AttrGen(cp);
-
- cp.addUtf8(name);
- cp.addUtf8(type.getDescriptor());
+ FieldGen(Type.Class c, DataInput in, ConstantPool cp) throws IOException {
+ this(in.readShort(),
+ c.field(cp.getUtf8KeyByIndex(in.readShort()),
+ Type.fromDescriptor(cp.getUtf8KeyByIndex(in.readShort()))),
+ new ClassFile.AttrGen(in, cp));
}
+
+ private FieldGen(int flags, Type.Class.Field field, ClassFile.AttrGen attrs) { this(field, flags, attrs); }
+ FieldGen(Type.Class.Field field, int flags) { this(field, flags, new ClassFile.AttrGen()); }
+ FieldGen(Type.Class.Field field, int flags, ClassFile.AttrGen attrs) { field.super(flags, attrs); }
/** Sets the ContantValue attribute for this field.
@param val The value to set this field to. Must be an Integer, Long, Float, Double, or String */
public void setConstantValue(Object val) {
- if((flags & ACC_STATIC) == 0) throw new IllegalStateException("field does not have the ACC_STATIC bit set");
- constantValue = val;
+ if (!isStatic()) throw new IllegalStateException("field does not have the STATIC bit set");
+ attrs.put("ConstantValue",val);
}
- void finish() {
- if(constantValue != null && !attrs.contains("ConstantValue"))
- attrs.add("ConstantValue", cp.add(constantValue));
+ void finish(ConstantPool cp) {
+ cp.addUtf8(getField().getName());
+ cp.addUtf8(getField().getType().getDescriptor());
+
+ attrs.finish(cp);
}
- void dump(DataOutput o) throws IOException {
- o.writeShort(flags);
- o.writeShort(cp.getUtf8Index(name));
- o.writeShort(cp.getUtf8Index(type.getDescriptor()));
- o.writeShort(attrs.size());
- attrs.dump(o);
+ void dump(DataOutput o, ConstantPool cp) throws IOException {
+ o.writeShort(getFlags());
+ o.writeShort(cp.getUtf8Index(getField().getName()));
+ o.writeShort(cp.getUtf8Index(getField().getType().getDescriptor()));
+ attrs.dump(o,cp);
}
}