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Compile WebIDL return type "object" to NonZero<*mut JSObject>

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This commit is contained in:
Anthony Ramine 2016-08-29 00:35:17 +02:00
parent 3e32948a39
commit 6e1523f4ae
11 changed files with 74 additions and 48 deletions
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6
components/script/dom/bindings/codegen/CodegenRust.py
View file

@ -1349,7 +1349,10 @@ def getRetvalDeclarationForType(returnType, descriptorProvider):
if returnType.isAny():
return CGGeneric("JSVal")
if returnType.isObject() or returnType.isSpiderMonkeyInterface():
return CGGeneric("*mut JSObject")
result = CGGeneric("NonZero<*mut JSObject>")
if returnType.nullable():
result = CGWrapper(result, pre="Option<", post=">")
return result
if returnType.isSequence():
result = getRetvalDeclarationForType(innerSequenceType(returnType), descriptorProvider)
result = CGWrapper(result, pre="Vec<", post=">")
@ -5323,6 +5326,7 @@ def generate_imports(config, cgthings, descriptors, callbacks=None, dictionaries
enums = []
return CGImports(cgthings, descriptors, callbacks, dictionaries, enums, [
'core::nonzero::NonZero',
'js',
'js::JSCLASS_GLOBAL_SLOT_COUNT',
'js::JSCLASS_IS_DOMJSCLASS',

50
components/script/dom/bindings/iterable.rs
View file

@ -6,6 +6,7 @@
//! Implementation of `iterable<...>` and `iterable<..., ...>` WebIDL declarations.
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyAndValueResult;
use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyOrValueResult;
use dom::bindings::error::Fallible;
@ -95,38 +96,41 @@ impl<T: Reflectable + JSTraceable + Iterable> IterableIterator<T> {
/// Return the next value from the iterable object.
#[allow(non_snake_case)]
pub fn Next(&self, cx: *mut JSContext) -> Fallible<*mut JSObject> {
pub fn Next(&self, cx: *mut JSContext) -> Fallible<NonZero<*mut JSObject>> {
let index = self.index.get();
rooted!(in(cx) let mut value = UndefinedValue());
rooted!(in(cx) let mut rval = ptr::null_mut());
if index >= self.iterable.get_iterable_length() {
return dict_return(cx, rval.handle_mut(), true, value.handle())
.map(|_| rval.handle().get());
}
let result = match self.type_ {
IteratorType::Keys => {
unsafe {
self.iterable.get_key_at_index(index).to_jsval(cx, value.handle_mut());
let result = if index >= self.iterable.get_iterable_length() {
dict_return(cx, rval.handle_mut(), true, value.handle())
} else {
match self.type_ {
IteratorType::Keys => {
unsafe {
self.iterable.get_key_at_index(index).to_jsval(cx, value.handle_mut());
}
dict_return(cx, rval.handle_mut(), false, value.handle())
}
dict_return(cx, rval.handle_mut(), false, value.handle())
}
IteratorType::Values => {
unsafe {
self.iterable.get_value_at_index(index).to_jsval(cx, value.handle_mut());
IteratorType::Values => {
unsafe {
self.iterable.get_value_at_index(index).to_jsval(cx, value.handle_mut());
}
dict_return(cx, rval.handle_mut(), false, value.handle())
}
dict_return(cx, rval.handle_mut(), false, value.handle())
}
IteratorType::Entries => {
rooted!(in(cx) let mut key = UndefinedValue());
unsafe {
self.iterable.get_key_at_index(index).to_jsval(cx, key.handle_mut());
self.iterable.get_value_at_index(index).to_jsval(cx, value.handle_mut());
IteratorType::Entries => {
rooted!(in(cx) let mut key = UndefinedValue());
unsafe {
self.iterable.get_key_at_index(index).to_jsval(cx, key.handle_mut());
self.iterable.get_value_at_index(index).to_jsval(cx, value.handle_mut());
}
key_and_value_return(cx, rval.handle_mut(), key.handle(), value.handle())
}
key_and_value_return(cx, rval.handle_mut(), key.handle(), value.handle())
}
};
self.index.set(index + 1);
result.map(|_| rval.handle().get())
result.map(|_| {
assert!(!rval.is_null());
unsafe { NonZero::new(rval.get()) }
})
}
}

6
components/script/dom/crypto.rs
View file

@ -2,6 +2,7 @@
* 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/. */
use core::nonzero::NonZero;
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::CryptoBinding;
use dom::bindings::codegen::Bindings::CryptoBinding::CryptoMethods;
@ -43,7 +44,8 @@ impl CryptoMethods for Crypto {
fn GetRandomValues(&self,
_cx: *mut JSContext,
input: *mut JSObject)
-> Fallible<*mut JSObject> {
-> Fallible<NonZero<*mut JSObject>> {
assert!(!input.is_null());
let mut data = match unsafe { array_buffer_view_data::<u8>(input) } {
Some(data) => data,
None => {
@ -62,7 +64,7 @@ impl CryptoMethods for Crypto {
self.rng.borrow_mut().fill_bytes(&mut data);
Ok(input)
Ok(unsafe { NonZero::new(input) })
}
}

20
components/script/dom/document.rs
View file

@ -2,6 +2,7 @@
* 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/. */
use core::nonzero::NonZero;
use document_loader::{DocumentLoader, LoadType};
use dom::activation::{ActivationSource, synthetic_click_activation};
use dom::attr::Attr;
@ -90,7 +91,7 @@ use euclid::point::Point2D;
use html5ever::tree_builder::{LimitedQuirks, NoQuirks, Quirks, QuirksMode};
use ipc_channel::ipc::{self, IpcSender};
use js::jsapi::JS_GetRuntime;
use js::jsapi::{JSContext, JSObject, JSRuntime};
use js::jsapi::{JSContext, JSObject, JSRuntime, JS_NewPlainObject};
use msg::constellation_msg::{ALT, CONTROL, SHIFT, SUPER};
use msg::constellation_msg::{Key, KeyModifiers, KeyState};
use msg::constellation_msg::{PipelineId, ReferrerPolicy, SubpageId};
@ -116,7 +117,6 @@ use std::collections::hash_map::Entry::{Occupied, Vacant};
use std::default::Default;
use std::iter::once;
use std::mem;
use std::ptr;
use std::rc::Rc;
use std::sync::Arc;
use string_cache::{Atom, QualName};
@ -2689,8 +2689,10 @@ impl DocumentMethods for Document {
self.set_body_attribute(&atom!("text"), value)
}
#[allow(unsafe_code)]
// https://html.spec.whatwg.org/multipage/#dom-tree-accessors:dom-document-nameditem-filter
fn NamedGetter(&self, _cx: *mut JSContext, name: DOMString, found: &mut bool) -> *mut JSObject {
fn NamedGetter(&self, cx: *mut JSContext, name: DOMString, found: &mut bool)
-> NonZero<*mut JSObject> {
#[derive(JSTraceable, HeapSizeOf)]
struct NamedElementFilter {
name: Atom,
@ -2759,11 +2761,15 @@ impl DocumentMethods for Document {
*found = true;
// TODO: Step 2.
// Step 3.
return first.reflector().get_jsobject().get();
return unsafe {
NonZero::new(first.reflector().get_jsobject().get())
};
}
} else {
*found = false;
return ptr::null_mut();
return unsafe {
NonZero::new(JS_NewPlainObject(cx))
};
}
}
// Step 4.
@ -2772,7 +2778,9 @@ impl DocumentMethods for Document {
name: name,
};
let collection = HTMLCollection::create(self.window(), root, box filter);
collection.reflector().get_jsobject().get()
unsafe {
NonZero::new(collection.reflector().get_jsobject().get())
}
}
// https://html.spec.whatwg.org/multipage/#dom-tree-accessors:supported-property-names

6
components/script/dom/imagedata.rs
View file

@ -2,6 +2,7 @@
* 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/. */
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::ImageDataBinding;
use dom::bindings::codegen::Bindings::ImageDataBinding::ImageDataMethods;
use dom::bindings::global::GlobalRef;
@ -82,9 +83,10 @@ impl ImageDataMethods for ImageData {
self.height
}
#[allow(unsafe_code)]
// https://html.spec.whatwg.org/multipage/#dom-imagedata-data
fn Data(&self, _: *mut JSContext) -> *mut JSObject {
fn Data(&self, _: *mut JSContext) -> NonZero<*mut JSObject> {
assert!(!self.data.get().is_null());
self.data.get()
unsafe { NonZero::new(self.data.get()) }
}
}

15
components/script/dom/testbinding.rs
View file

@ -4,6 +4,7 @@
// check-tidy: no specs after this line
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::EventListenerBinding::EventListener;
use dom::bindings::codegen::Bindings::FunctionBinding::Function;
use dom::bindings::codegen::Bindings::TestBindingBinding;
@ -139,21 +140,21 @@ impl TestBindingMethods for TestBinding {
}
fn SetUnion9Attribute(&self, _: ByteStringOrLong) {}
#[allow(unsafe_code)]
fn ArrayAttribute(&self, cx: *mut JSContext) -> *mut JSObject {
fn ArrayAttribute(&self, cx: *mut JSContext) -> NonZero<*mut JSObject> {
unsafe {
rooted!(in(cx) let array = JS_NewUint8ClampedArray(cx, 16));
assert!(!array.is_null());
array.get()
NonZero::new(array.get())
}
}
fn AnyAttribute(&self, _: *mut JSContext) -> JSVal { NullValue() }
fn SetAnyAttribute(&self, _: *mut JSContext, _: HandleValue) {}
#[allow(unsafe_code)]
fn ObjectAttribute(&self, cx: *mut JSContext) -> *mut JSObject {
fn ObjectAttribute(&self, cx: *mut JSContext) -> NonZero<*mut JSObject> {
unsafe {
rooted!(in(cx) let obj = JS_NewPlainObject(cx));
assert!(!obj.is_null());
obj.get()
NonZero::new(obj.get())
}
}
fn SetObjectAttribute(&self, _: *mut JSContext, _: *mut JSObject) {}
@ -208,7 +209,7 @@ impl TestBindingMethods for TestBinding {
fn SetInterfaceAttributeWeak(&self, url: Option<&URL>) {
self.url.set(url);
}
fn GetObjectAttributeNullable(&self, _: *mut JSContext) -> *mut JSObject { ptr::null_mut() }
fn GetObjectAttributeNullable(&self, _: *mut JSContext) -> Option<NonZero<*mut JSObject>> { None }
fn SetObjectAttributeNullable(&self, _: *mut JSContext, _: *mut JSObject) {}
fn GetUnionAttributeNullable(&self) -> Option<HTMLElementOrLong> {
Some(HTMLElementOrLong::Long(0))
@ -257,7 +258,7 @@ impl TestBindingMethods for TestBinding {
Blob::new(self.global().r(), BlobImpl::new_from_bytes(vec![]), "".to_owned())
}
fn ReceiveAny(&self, _: *mut JSContext) -> JSVal { NullValue() }
fn ReceiveObject(&self, cx: *mut JSContext) -> *mut JSObject {
fn ReceiveObject(&self, cx: *mut JSContext) -> NonZero<*mut JSObject> {
self.ObjectAttribute(cx)
}
fn ReceiveUnion(&self) -> HTMLElementOrLong { HTMLElementOrLong::Long(0) }
@ -300,7 +301,7 @@ impl TestBindingMethods for TestBinding {
fn ReceiveNullableInterface(&self) -> Option<Root<Blob>> {
Some(Blob::new(self.global().r(), BlobImpl::new_from_bytes(vec![]), "".to_owned()))
}
fn ReceiveNullableObject(&self, cx: *mut JSContext) -> *mut JSObject {
fn ReceiveNullableObject(&self, cx: *mut JSContext) -> Option<NonZero<*mut JSObject>> {
self.GetObjectAttributeNullable(cx)
}
fn ReceiveNullableUnion(&self) -> Option<HTMLElementOrLong> {

5
components/script/dom/textencoder.rs
View file

@ -2,6 +2,7 @@
* 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/. */
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::TextEncoderBinding;
use dom::bindings::codegen::Bindings::TextEncoderBinding::TextEncoderMethods;
use dom::bindings::error::{Error, Fallible};
@ -70,7 +71,7 @@ impl TextEncoderMethods for TextEncoder {
#[allow(unsafe_code)]
// https://encoding.spec.whatwg.org/#dom-textencoder-encode
fn Encode(&self, cx: *mut JSContext, input: USVString) -> *mut JSObject {
fn Encode(&self, cx: *mut JSContext, input: USVString) -> NonZero<*mut JSObject> {
unsafe {
let encoded = self.encoder.encode(&input.0, EncoderTrap::Strict).unwrap();
let length = encoded.len() as u32;
@ -80,7 +81,7 @@ impl TextEncoderMethods for TextEncoder {
let js_object_data: *mut uint8_t = JS_GetUint8ArrayData(js_object.get(), &mut is_shared, ptr::null());
assert!(!is_shared);
ptr::copy_nonoverlapping(encoded.as_ptr(), js_object_data, length as usize);
js_object.get()
NonZero::new(js_object.get())
}
}
}

6
components/script/dom/webglrenderingcontext.rs
View file

@ -3,6 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use canvas_traits::{CanvasCommonMsg, CanvasMsg, byte_swap};
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextMethods;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::{self, WebGLContextAttributes};
@ -631,8 +632,9 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.14
fn GetExtension(&self, _cx: *mut JSContext, _name: DOMString) -> *mut JSObject {
0 as *mut JSObject
fn GetExtension(&self, _cx: *mut JSContext, _name: DOMString)
-> Option<NonZero<*mut JSObject>> {
None
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3

4
components/script/dom/xmldocument.rs
View file

@ -2,6 +2,7 @@
* 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/. */
use core::nonzero::NonZero;
use document_loader::DocumentLoader;
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::XMLDocumentBinding::{self, XMLDocumentMethods};
@ -87,7 +88,8 @@ impl XMLDocumentMethods for XMLDocument {
}
// https://html.spec.whatwg.org/multipage/#dom-tree-accessors:dom-document-nameditem-filter
fn NamedGetter(&self, _cx: *mut JSContext, name: DOMString, found: &mut bool) -> *mut JSObject {
fn NamedGetter(&self, _cx: *mut JSContext, name: DOMString, found: &mut bool)
-> NonZero<*mut JSObject> {
self.upcast::<Document>().NamedGetter(_cx, name, found)
}
}

2
components/servo/Cargo.lock generated
View file

@ -1086,7 +1086,7 @@ dependencies = [
[[package]]
name = "js"
version = "0.1.3"
source = "git+https://github.com/servo/rust-mozjs#f06428fab33a6ae633584a1a7e1bf4e3ef7914b3"
source = "git+https://github.com/servo/rust-mozjs#f5444dd82b864a88cf874c66c75aed478fd88d22"
dependencies = [
"cmake 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
"heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",

2
ports/cef/Cargo.lock generated
View file

@ -994,7 +994,7 @@ dependencies = [
[[package]]
name = "js"
version = "0.1.3"
source = "git+https://github.com/servo/rust-mozjs#f06428fab33a6ae633584a1a7e1bf4e3ef7914b3"
source = "git+https://github.com/servo/rust-mozjs#f5444dd82b864a88cf874c66c75aed478fd88d22"
dependencies = [
"cmake 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
"heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",