adding thread support w/ locks

[IRC.git] / Robust / src / IR / Tree / Modifiers.java

diff --git a/Robust/src/IR/Tree/Modifiers.java b/Robust/src/IR/Tree/Modifiers.java
index 827f3acfbbac2271874e141d0704c81a3ebdcecf..d20c7962005ec485131c8c504b3d8fd95dafce2b 100644 (file)
--- a/Robust/src/IR/Tree/Modifiers.java
+++ b/Robust/src/IR/Tree/Modifiers.java
@@ -8,7 +8,7 @@ public class Modifiers {
 //     ABSTRACT=16
     public static final int FINAL=32;
     public static final int NATIVE=64;
-//     SYNCHRONIZED=128
+    public static final int SYNCHRONIZED=128;
 //     TRANSIENT=256
 //     VOLATILE=512
 //     STRICTFP=1024
@@ -25,6 +25,12 @@ public class Modifiers {
 
     public void addModifier(int mod) {
        value|=mod;
+       if (isSynchronized()&&isNative())
+           throw new Error("Synchronized native methods are not supported");
+    }
+
+    public boolean isSynchronized() {
+       return ((value&SYNCHRONIZED)!=0);
     }
 
     public boolean isStatic() {
@@ -49,6 +55,8 @@ public class Modifiers {
            st+="final ";
        if ((value&NATIVE)!=0)
            st+="native ";
+       if ((value&SYNCHRONIZED)!=0)
+           st+="synchronized ";
        return st;
     }
 }