Add better consistency check and error output to plot script.

tools/profviz/worker.js

Index: tools/profviz/worker.js
diff --git a/tools/profviz/worker.js b/tools/profviz/worker.js
index 60a557f982d0302e75b21ab73269bc33d43f0dda..ae5b3e35985890cf4950c606d11dcb6960a70f6b 100644
--- a/tools/profviz/worker.js
+++ b/tools/profviz/worker.js
@@ -72,6 +72,12 @@ function load_scripts(scripts) {
 }
 
 
+function log_error(text) {
+  self.postMessage({"call": "error", "args": text});
+  self.postMessage({"call": "reset", "args": text});

[Jakob Kummerow, 2013/09/04 13:34:03]

why does "reset" need the text as an arg?

[Yang, 2013/09/04 13:52:29]

you are right. done.

+}
+
+
 function run(args) {
   var file = args["file"];
   var resx = args["resx"];
@@ -121,7 +127,7 @@ function run(args) {
   var input_file_name = "input_temp";
   var output_file_name = "output.svg";
 
-  var psc = new PlotScriptComposer(resx, resy);
+  var psc = new PlotScriptComposer(resx, resy, log_error);
   var objects = 0;
 
   time("Collecting events (" + content_lines.length + " entries)",
@@ -158,10 +164,10 @@ function run(args) {
 
 var Module = {
     "noInitialRun": true,
-    print: function(text) {
-        self.postMessage({"call": "error", "args": text});
+    print: function() {

[Jakob Kummerow, 2013/09/04 13:34:03]

Y U NO pass in |text| anymore? Maybe you meant:

print: log_error,
printErr: log_error

[Yang, 2013/09/04 13:52:29]

I meant to leave it as is. I messed with it, but realized that I don't want to
reset when the asm.js module reports errors.

+      self.postMessage({"call": "error", "args": text});
     },
-    printErr: function(text) {
-        self.postMessage({"call": "error", "args": text});
+    printErr: function() {
+      self.postMessage({"call": "error", "args": text});
     },
 };