add "this" for first arg

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

diff --git a/src/org/ibex/classgen/JSSA.java b/src/org/ibex/classgen/JSSA.java
index 8582df2..e608b42 100644 (file)
--- a/src/org/ibex/classgen/JSSA.java
+++ b/src/org/ibex/classgen/JSSA.java
@@ -15,15 +15,24 @@ public class JSSA extends MethodGen implements CGConst {
         super(c, in, cp);
         local = new Expr[maxLocals];
         stack = new Expr[maxStack];
-        for(int i=0; i<this.method.getNumArgs(); i++)
-            local[i] = new Argument("arg"+i, this.method.getArgType(i));
+        int n=0;
+        if (!isStatic())
+            local[n++] = new Argument("this",method.getDeclaringClass());
+        for(int i=0;i<this.method.getNumArgs(); i++)
+            local[n++] = new Argument("arg"+i, this.method.getArgType(i));
         for(int i=0; i<size(); i++) {
             int    op  = get(i);
             Object arg = getArg(i);
-            Object o = addOp(op, arg);
-            if (o != null) {
-                ops[numOps] = o;
-                ofs[numOps++] = i;
+            try {
+                Object o = addOp(op, arg);
+                if (o != null) {
+                    ops[numOps] = o;
+                    ofs[numOps++] = i;
+                }
+            } catch(RuntimeException e) {
+                System.err.println("Had a problem at PC: " + i + " of " + method);
+                e.printStackTrace();
+                throw new IOException("invalid class file");
             }
         }
     }