Import of the watch repository from Pebble

third_party/jerryscript/js_tooling/transform_js.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+import re
+import sys
+
+# when cross-compiling JerryScript with Emscripten, we need to fix a few minor things
+# to account for the various setups as some of the code assumes to be execute inside of node
+
+def replace_ensured(s, old, new):
+    result = s.replace(old, new)
+    # make sure our search pattern `old` actually matched something
+    # if we didn't change anything it means that we missed the Emscrupten outout (e.g. new version)
+    assert result != s, "Emscripten output does not match expected output of 1.35.0"
+    return result
+
+# load file to be processed
+with open(sys.argv[1], "r") as f:
+    source = f.read()
+
+# source = replace_ensured(source, "func = eval('_' + ident); // explicit lookup",
+#                                  "// func = eval('_' + ident); // explicit lookup")
+source = replace_ensured(source, "process['on']('uncaughtException',",
+                                 "process['on']('uncaughtException-ignore',")
+
+source = "(function(){\n%s\n})(this);" % source
+
+with open(sys.argv[1], "w") as f:
+    f.write(source)