--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/scripttools/debugging/scripts/commands/condition.qs	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,52 @@
+name = "condition";
+
+group = "breakpoints";
+
+shortDescription = "Specify breakpoint condition";
+
+longDescription = "condition <breakpoint-id> <expression> : Specify that the breakpoint with the given id should only be triggered if the given expression evaluates to true.";
+
+argumentTypes = [ "breakpoint-id", "script" ];
+
+seeAlso = [ "ignore" ];
+
+function execute() {
+    if (arguments.length == 0) {
+        message("Missing arguments (breakpoint number and condition).");
+        return;
+    }
+    var arg = arguments[0];
+    var spaceIndex = arg.indexOf(' ');
+    if (spaceIndex == -1)
+        spaceIndex = arg.length;
+    var id = parseInt(arg.slice(0, spaceIndex));
+    if (isNaN(id)) {
+        message("First argument must be a number (breakpoint id).");
+        return;
+    }
+    var cond = arg.slice(spaceIndex+1);
+    if ((cond.length != 0) && !checkSyntax(cond)) {
+        message("The condition has a syntax error.");
+        return;
+    }
+    scheduleGetBreakpointData(id);
+    breakpointId = id;
+    condition = cond;
+    state = 1;
+}
+
+function handleResponse(resp) {
+    if (state == 1) {
+        var data = resp.result;
+        if (data == undefined) {
+            message("No breakpoint number " + breakpointId + ".");
+            return;
+        }
+        data.condition = condition;
+        scheduleSetBreakpointData(breakpointId, data);
+        state = 2;
+    } else if (state == 2) {
+        if (condition.length == 0)
+            message("Breakpoint " + breakpointId + " now unconditional.");
+    }
+}