A couple toString() methods in backend

compiler/backend/src/org/jetbrains/jet/codegen/CallableMethod.java

@@ -20,6 +20,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.asm4.Type;
 import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.asm4.util.Printer;
 import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
 import org.jetbrains.jet.codegen.state.GenerationState;
 import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
@@ -153,4 +154,15 @@ public class CallableMethod implements Callable {
     public Type getReturnType() {
         return signature.getAsmMethod().getReturnType();
     }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append(Printer.OPCODES[invokeOpcode]);
+        sb.append(" ");
+        sb.append(owner);
+        sb.append(".");
+        sb.append(signature);
+        return sb.toString();
+    }
 }

compiler/backend/src/org/jetbrains/jet/codegen/context/ClassContext.java

@@ -45,4 +45,9 @@ public class ClassContext extends CodegenContext {
     public boolean isStatic() {
         return false;
     }
+
+    @Override
+    public String toString() {
+        return "Class: " + getContextDescriptor();
+    }
 }

compiler/backend/src/org/jetbrains/jet/codegen/signature/JvmMethodSignature.java

@@ -148,4 +148,9 @@ public class JvmMethodSignature {
     public String getName() {
         return asmMethod.getName();
     }
+
+    @Override
+    public String toString() {
+        return asmMethod.toString();
+    }
 }