1 files changed, 24 insertions, 0 deletions
diff --git a/docs/bool.java b/docs/bool.java
new file mode 100644
index 00000000..cf517ea0
--- /dev/null
+++ b/docs/bool.java
@@ -0,0 +1,24 @@
+  InstructionList il = new InstructionList();
+  ...
+  CodeConstraint constraint = new CodeConstraint() {
+    public boolean checkCode(InstructionHandle[] match) {
+      IfInstruction if1 = (IfInstruction)match[0].getInstruction();
+      GOTO          g   = (GOTO)match[2].getInstruction();
+      return (if1.getTarget() == match[3]) &&
+             (g.getTarget() == match[4]);
+    }  
+  };
+  FindPattern f   = new FindPattern(il);
+  String      pat = "`IfInstruction'`ICONST_0'`GOTO'`ICONST_1'" + 
+                    "`NOP'(`IFEQ'|`IFNE')";
+  InstructionHandle[] match;
+  for(InstructionHandle ih = f.search(pat, constraint);
+      ih != null; ih = f.search(pat, match[0], constraint)) {
+    match = f.getMatch(); // Constraint already checked
+    ...
+    match[0].setTarget(match[5].getTarget()); // Update target
+    ...
+    try {
+      il.delete(match[1], match[5]);
+    } catch(TargetLostException e) { ... }
+  }