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added VOID_EXPR
author
brian
<brian@brianweb.net>
Sun, 3 Jul 2005 20:35:15 +0000
(20:35 +0000)
committer
brian
<brian@brianweb.net>
Sun, 3 Jul 2005 20:35:15 +0000
(20:35 +0000)
darcs-hash:
20050703203515
-24bed-
43d6b184da67c24d2169923da7fbd9d08ba61b3c
.gz
src/org/ibex/classgen/JSSA.java
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diff --git
a/src/org/ibex/classgen/JSSA.java
b/src/org/ibex/classgen/JSSA.java
index
b8e57ca
..
d304d0f
100644
(file)
--- a/
src/org/ibex/classgen/JSSA.java
+++ b/
src/org/ibex/classgen/JSSA.java
@@
-79,6
+79,10
@@
public class JSSA extends MethodGen implements CGConst {
// SSA-node classes /////////////////////////////////////////////////////////////////////////////////////////
// SSA-node classes /////////////////////////////////////////////////////////////////////////////////////////
+ public final Expr VOID_EXPR = new Expr() {
+ public Type getType() { return Type.VOID; }
+ };
+
/** an purely imperative operation which does not generate data */
public abstract class Op {
//public abstract Op[] predecessors(); // not implemented yet
/** an purely imperative operation which does not generate data */
public abstract class Op {
//public abstract Op[] predecessors(); // not implemented yet
@@
-240,9
+244,9
@@
public class JSSA extends MethodGen implements CGConst {
public class Return extends Op {
final Expr e;
public class Return extends Op {
final Expr e;
- public Return() { this(null); }
+ public Return() { this(VOID_EXPR); }
public Return(Expr e) { this.e = e; }
public Return(Expr e) { this.e = e; }
- public String toString() { return e==null?"return":("return "+e.toString()); }
+ public String toString() { return e.getType() == Type.VOID ? "return" : ("return "+e.toString()); }
}
/** GETFIELD and GETSTATIC */
}
/** GETFIELD and GETSTATIC */