import java.io.*;
/** Class representing a field in a generated classfile
- @see ClassGen#addField */
+ @see ClassFile#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;
+ private final ClassFile.AttrGen attrs;
+
+ StringBuffer debugToString(StringBuffer sb) {
+ sb.append(ClassFile.flagsToString(flags,false));
+ sb.append(type.debugToString());
+ sb.append(" ");
+ sb.append(name);
+ 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)
+ FieldGen(DataInput in, ConstantPool cp) throws IOException {
+ flags = in.readShort();
+ if((flags & ~(PUBLIC|PRIVATE|PROTECTED|VOLATILE|TRANSIENT|STATIC|FINAL)) != 0)
+ throw new ClassFile.ClassReadExn("invalid flags");
+ name = cp.getUtf8KeyByIndex(in.readShort());
+ type = Type.instance(cp.getUtf8KeyByIndex(in.readShort()));
+ attrs = new ClassFile.AttrGen(in,cp);
+ }
+
+ FieldGen(ClassFile owner, String name, Type type, int flags) {
+ if((flags & ~(PUBLIC|PRIVATE|PROTECTED|VOLATILE|TRANSIENT|STATIC|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());
- }
+ this.attrs = new ClassFile.AttrGen();
+ }
/** 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((flags & STATIC) == 0) 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(name);
+ cp.addUtf8(type.getDescriptor());
+
+ attrs.finish(cp);
}
- void dump(DataOutput o) throws IOException {
+ void dump(DataOutput o, ConstantPool cp) throws IOException {
o.writeShort(flags);
o.writeShort(cp.getUtf8Index(name));
o.writeShort(cp.getUtf8Index(type.getDescriptor()));
- o.writeShort(attrs.size());
- attrs.dump(o);
+ attrs.dump(o,cp);
}
}