Initial dump of codegen work. Requires manual running of various pyth…

…on scripts to build servo.

.gitignore

@@ -6,9 +6,12 @@
 *.dSYM
 *.dll
 *.dummy
+*.pkl
+*.pyc
 servo-test
 Makefile
 Servo.app
 build
 config.mk
-config.stamp
+config.stamp
+parser.out

src/servo/dom/bindings/codegen/BindingGen.py

@@ -2,11 +2,14 @@
 # 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 Codegen import CGBindingRoot, replaceFileIfChanged
+from CodegenRust import CGBindingRoot, replaceFileIfChanged
 # import Codegen in general, so we can set a variable on it
 import Codegen
 
@@ -32,6 +35,19 @@ def generate_binding_cpp(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.define()):
+        print "Generating binding implementation: %s" % (filename)
+
 def main():
 
     # Parse arguments.
@@ -42,7 +58,7 @@ def main():
                  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"):
+    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])
@@ -62,6 +78,8 @@ def main():
         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
 

src/servo/dom/bindings/codegen/Bindings.conf

@@ -113,6 +113,11 @@ DOMInterfaces = {
     }
 }],
 
+'ClientRect': [
+{
+    'nativeType': 'ClientRect',
+}],
+
 'ClientRectList': [
 {
     'nativeType': 'nsClientRectList',
@@ -509,7 +514,7 @@ addExternalHTMLElement('HTMLOptGroupElement')
 addExternalHTMLElement('HTMLVideoElement')
 addExternalIface('CanvasGradient', headerFile='nsIDOMCanvasRenderingContext2D.h')
 addExternalIface('CanvasPattern', headerFile='nsIDOMCanvasRenderingContext2D.h')
-addExternalIface('ClientRect')
+#addExternalIface('ClientRect')
 addExternalIface('CSSRule')
 addExternalIface('CSSValue')
 addExternalIface('DOMStringList', nativeType='nsDOMStringList',

src/servo/dom/bindings/codegen/ClientRect.webidl

@@ -0,0 +1,14 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ */
+
+interface ClientRect {
+  readonly attribute float top;
+  readonly attribute float right;
+  readonly attribute float bottom;
+  readonly attribute float left;
+  readonly attribute float width;
+  readonly attribute float height;
+};

src/servo/dom/bindings/codegen/ClientRectList.webidl

@@ -0,0 +1,85 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ */
+
+interface ClientRect;
+
+interface ClientRectList {
+  readonly attribute unsigned long length;
+  getter ClientRect? item(unsigned long index);
+};
+
+/* Helpers
+
+unsafe fn unwrap<T>(obj: *JSObject) -> *rust_box<T> {
+  let val = JS_GetReservedSlot(obj, 0);
+  cast::reinterpret_cast(&RUST_JSVAL_TO_PRIVATE(val))
+}
+
+trait ToJsval {
+  fn to_jsval(cx: *JSContext) -> jsval;
+}
+
+impl Option : ToJsval {
+  fn to_jsval(cx: *JSContext) -> jsval {
+    match self {
+      Some(v) => v.to_jsval(),
+      None => JSVAL_NULL
+    }
+  }
+}
+
+ */
+
+/*
+
+trait ClientRectList {
+  fn getLength() -> u32;
+  fn getItem(u32 index) -> Option<@ClientRect>;
+}
+
+mod ClientRectList {
+mod bindings {
+
+fn getLength(cx: *JSContext, argc: c_uint, argv: *jsval) -> JSBool unsafe {
+  let obj = JS_THIS_OBJECT(cx, unsafe::reinterpret_cast(&vp));
+  if obj.is_null() {
+    return 0;
+  }
+
+  let conrete = unwrap<ClientRectList>(obj);
+  let rval = (*concrete).getLength();
+
+  JS_SET_RVAL(argv, rval);
+  return 1;
+}
+
+fn getItem(cx: *JSContext, argc: c_uint, vp: *jsval) -> JSBool unsafe {
+  let obj = JS_THIS_OBJECT(cx, unsafe::reinterpret_cast(&vp));
+  if obj.is_null() {
+    return 0;
+  }
+
+  let raw_arg1 = if argc < 1 {
+    //XXX convert null
+  } else {
+    JS_ARGV(vp, 0);
+  };
+
+  let arg1 = if !RUST_JSVAL_IS_INT(raw_arg1) {
+    //XXX convert to int
+  } else {
+    RUST_JSVAL_TO_INT(raw_arg1);
+  } as u32;
+
+  let conrete = unwrap<ClientRectList>(obj);
+  let rval = (*concrete).getItem(arg1);
+
+  JS_SET_RVAL(vp, rval.to_jsval())
+  return 1;
+}
+}
+
+*/