1 files changed, 87 insertions, 0 deletions
diff --git a/src/components/script/dom/bindings/codegen/BindingGen.py b/src/components/script/dom/bindings/codegen/BindingGen.py
new file mode 100644
index 00000000000..e292427e33b
--- /dev/null
+++ b/src/components/script/dom/bindings/codegen/BindingGen.py
@@ -0,0 +1,87 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import sys
+sys.path.append("./parser/")
+sys.path.append("./ply/")
+import os
+import cPickle
+import WebIDL
+from Configuration import *
+from CodegenRust import CGBindingRoot, replaceFileIfChanged
+# import Codegen in general, so we can set a variable on it
+import Codegen
+
+def generate_binding_header(config, outputprefix, webidlfile):
+    """
+    |config| Is the configuration object.
+    |outputprefix| is a prefix to use for the header guards and filename.
+    """
+
+    filename = outputprefix + ".h"
+    root = CGBindingRoot(config, outputprefix, webidlfile)
+    if replaceFileIfChanged(filename, root.declare()):
+        print "Generating binding header: %s" % (filename)
+
+def generate_binding_cpp(config, outputprefix, webidlfile):
+    """
+    |config| Is the configuration object.
+    |outputprefix| is a prefix to use for the header guards and filename.
+    """
+
+    filename = outputprefix + ".cpp"
+    root = CGBindingRoot(config, outputprefix, webidlfile)
+    if replaceFileIfChanged(filename, root.define()):
+        print "Generating binding implementation: %s" % (filename)
+
+def generate_binding_rs(config, outputprefix, webidlfile):
+    """
+    |config| Is the configuration object.
+    |outputprefix| is a prefix to use for the header guards and filename.
+    """
+
+    filename = outputprefix + ".rs"
+    root = CGBindingRoot(config, outputprefix, webidlfile)
+    root2 = CGBindingRoot(config, outputprefix, webidlfile)
+    if replaceFileIfChanged(filename, root.declare() + root2.define()):
+    #if replaceFileIfChanged(filename, root.declare()):
+        print "Generating binding implementation: %s" % (filename)
+
+def main():
+
+    # Parse arguments.
+    from optparse import OptionParser
+    usagestring = "usage: %prog [header|cpp] configFile outputPrefix webIDLFile"
+    o = OptionParser(usage=usagestring)
+    o.add_option("--verbose-errors", action='store_true', default=False,
+                 help="When an error happens, display the Python traceback.")
+    (options, args) = o.parse_args()
+
+    if len(args) != 4 or (args[0] != "header" and args[0] != "cpp" and args[0] != "rs"):
+        o.error(usagestring)
+    buildTarget = args[0]
+    configFile = os.path.normpath(args[1])
+    outputPrefix = args[2]
+    webIDLFile = os.path.normpath(args[3])
+
+    # Load the parsing results
+    f = open('ParserResults.pkl', 'rb')
+    parserData = cPickle.load(f)
+    f.close()
+
+    # Create the configuration data.
+    config = Configuration(configFile, parserData)
+
+    # Generate the prototype classes.
+    if buildTarget == "header":
+        generate_binding_header(config, outputPrefix, webIDLFile);
+    elif buildTarget == "cpp":
+        generate_binding_cpp(config, outputPrefix, webIDLFile);
+    elif buildTarget == "rs":
+        generate_binding_rs(config, outputPrefix, webIDLFile);
+    else:
+        assert False # not reached
+
+if __name__ == '__main__':
+    main()