mass rename: ACC_FOO

[org.ibex.classgen.git] / src / org / ibex / classgen / FieldGen.java

diff --git a/src/org/ibex/classgen/FieldGen.java b/src/org/ibex/classgen/FieldGen.java
index e2371d0..b657342 100644 (file)
--- a/src/org/ibex/classgen/FieldGen.java
+++ b/src/org/ibex/classgen/FieldGen.java
@@ -2,31 +2,61 @@ package org.ibex.classgen;
 
 import java.io.*;
 
+/** Class representing a field in a generated classfile
+    @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 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(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);
-        
+        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 & STATIC) == 0) throw new IllegalStateException("field does not have the STATIC bit set");
+        attrs.put("ConstantValue",val);
+    }
+    
+    void finish(ConstantPool cp) {
         cp.addUtf8(name);
         cp.addUtf8(type.getDescriptor());
+        
+        attrs.finish(cp);
     }
     
-    public 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);
     }
 }