remove period between ret type and method name

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

diff --git a/src/org/ibex/classgen/Type.java b/src/org/ibex/classgen/Type.java
index 28c30dd..441c6fc 100644 (file)
--- a/src/org/ibex/classgen/Type.java
+++ b/src/org/ibex/classgen/Type.java
@@ -18,6 +18,7 @@ public abstract class Type implements CGConst {
     public static final Type BYTE = new Primitive("B", "byte");
     public static final Type CHAR = new Primitive("C", "char");
     public static final Type SHORT = new Primitive("S", "short");
+    public static final Type NULL = new Null();
     
     public static final Type.Class OBJECT = Type.Class.instance("java.lang.Object");
     public static final Type.Class STRING = Type.Class.instance("java.lang.String");
@@ -53,6 +54,16 @@ public abstract class Type implements CGConst {
     public boolean     isClass()     { return false; }
     public boolean     isArray()     { return false; }
 
+    public static Type unify(Type t1, Type t2) {
+        if(t1 == Type.NULL) return t2;
+        if(t2 == Type.NULL) return t1;
+        if((t1 == Type.INT && t2 == Type.BOOLEAN) || (t2 == Type.INT & t1 == Type.BOOLEAN)) return Type.BOOLEAN;
+        if(t1 == t2) return t1;
+        // FIXME: This needs to do a lot more (subclasses, etc)
+        // it probably should be in Context.java
+        return null;
+    }
+    
     // Protected/Private //////////////////////////////////////////////////////////////////////////////
 
     protected final String descriptor;
@@ -61,6 +72,10 @@ public abstract class Type implements CGConst {
         this.descriptor = descriptor;
         instances.put(descriptor, this);
     }
+    
+    public static class Null extends Type {
+        protected Null() { super(""); } // not really correct....
+    }
 
     public static class Primitive extends Type {
         private String humanReadable;
@@ -213,7 +228,7 @@ public abstract class Type implements CGConst {
                     if (name.equals("<init>"))
                         sb.append(Class.this.getShortName());
                     else
-                        sb.append(returnType.toString()).append(".").append(name);
+                        sb.append(returnType.toString()).append(" ").append(name);
                     sb.append("(");
                     for(int i=0; i<argTypes.length; i++)
                         sb.append((i==0?"":", ")+argTypes[i].toString());