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

50
components/script/dom/bindings/iterable.rs
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@ -6,6 +6,7 @@
//! Implementation of `iterable<...>` and `iterable<..., ...>` WebIDL declarations. //! Implementation of `iterable<...>` and `iterable<..., ...>` WebIDL declarations.
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyAndValueResult; use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyAndValueResult;
use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyOrValueResult; use dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyOrValueResult;
use dom::bindings::error::Fallible; use dom::bindings::error::Fallible;
@ -95,38 +96,41 @@ impl<T: Reflectable + JSTraceable + Iterable> IterableIterator<T> {
/// Return the next value from the iterable object. /// Return the next value from the iterable object.
#[allow(non_snake_case)] #[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(); let index = self.index.get();
rooted!(in(cx) let mut value = UndefinedValue()); rooted!(in(cx) let mut value = UndefinedValue());
rooted!(in(cx) let mut rval = ptr::null_mut()); rooted!(in(cx) let mut rval = ptr::null_mut());
if index >= self.iterable.get_iterable_length() { let result = if index >= self.iterable.get_iterable_length() {
return dict_return(cx, rval.handle_mut(), true, value.handle()) dict_return(cx, rval.handle_mut(), true, value.handle())
.map(|_| rval.handle().get()); } else {
} match self.type_ {
let result = match self.type_ { IteratorType::Keys => {
IteratorType::Keys => { unsafe {
unsafe { self.iterable.get_key_at_index(index).to_jsval(cx, value.handle_mut());
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 {
IteratorType::Values => { self.iterable.get_value_at_index(index).to_jsval(cx, value.handle_mut());
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());
IteratorType::Entries => { unsafe {
rooted!(in(cx) let mut key = UndefinedValue()); self.iterable.get_key_at_index(index).to_jsval(cx, key.handle_mut());
unsafe { self.iterable.get_value_at_index(index).to_jsval(cx, value.handle_mut());
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); 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 * 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/. */ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use core::nonzero::NonZero;
use dom::bindings::cell::DOMRefCell; use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::CryptoBinding; use dom::bindings::codegen::Bindings::CryptoBinding;
use dom::bindings::codegen::Bindings::CryptoBinding::CryptoMethods; use dom::bindings::codegen::Bindings::CryptoBinding::CryptoMethods;
@ -43,7 +44,8 @@ impl CryptoMethods for Crypto {
fn GetRandomValues(&self, fn GetRandomValues(&self,
_cx: *mut JSContext, _cx: *mut JSContext,
input: *mut JSObject) 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) } { let mut data = match unsafe { array_buffer_view_data::<u8>(input) } {
Some(data) => data, Some(data) => data,
None => { None => {
@ -62,7 +64,7 @@ impl CryptoMethods for Crypto {
self.rng.borrow_mut().fill_bytes(&mut data); 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 * 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/. */ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use core::nonzero::NonZero;
use document_loader::{DocumentLoader, LoadType}; use document_loader::{DocumentLoader, LoadType};
use dom::activation::{ActivationSource, synthetic_click_activation}; use dom::activation::{ActivationSource, synthetic_click_activation};
use dom::attr::Attr; use dom::attr::Attr;
@ -90,7 +91,7 @@ use euclid::point::Point2D;
use html5ever::tree_builder::{LimitedQuirks, NoQuirks, Quirks, QuirksMode}; use html5ever::tree_builder::{LimitedQuirks, NoQuirks, Quirks, QuirksMode};
use ipc_channel::ipc::{self, IpcSender}; use ipc_channel::ipc::{self, IpcSender};
use js::jsapi::JS_GetRuntime; 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::{ALT, CONTROL, SHIFT, SUPER};
use msg::constellation_msg::{Key, KeyModifiers, KeyState}; use msg::constellation_msg::{Key, KeyModifiers, KeyState};
use msg::constellation_msg::{PipelineId, ReferrerPolicy, SubpageId}; 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::default::Default;
use std::iter::once; use std::iter::once;
use std::mem; use std::mem;
use std::ptr;
use std::rc::Rc; use std::rc::Rc;
use std::sync::Arc; use std::sync::Arc;
use string_cache::{Atom, QualName}; use string_cache::{Atom, QualName};
@ -2689,8 +2689,10 @@ impl DocumentMethods for Document {
self.set_body_attribute(&atom!("text"), value) self.set_body_attribute(&atom!("text"), value)
} }
#[allow(unsafe_code)]
// https://html.spec.whatwg.org/multipage/#dom-tree-accessors:dom-document-nameditem-filter // 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)] #[derive(JSTraceable, HeapSizeOf)]
struct NamedElementFilter { struct NamedElementFilter {
name: Atom, name: Atom,
@ -2759,11 +2761,15 @@ impl DocumentMethods for Document {
*found = true; *found = true;
// TODO: Step 2. // TODO: Step 2.
// Step 3. // Step 3.
return first.reflector().get_jsobject().get(); return unsafe {
NonZero::new(first.reflector().get_jsobject().get())
};
} }
} else { } else {
*found = false; *found = false;
return ptr::null_mut(); return unsafe {
NonZero::new(JS_NewPlainObject(cx))
};
} }
} }
// Step 4. // Step 4.
@ -2772,7 +2778,9 @@ impl DocumentMethods for Document {
name: name, name: name,
}; };
let collection = HTMLCollection::create(self.window(), root, box filter); 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 // 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 * 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/. */ * 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;
use dom::bindings::codegen::Bindings::ImageDataBinding::ImageDataMethods; use dom::bindings::codegen::Bindings::ImageDataBinding::ImageDataMethods;
use dom::bindings::global::GlobalRef; use dom::bindings::global::GlobalRef;
@ -82,9 +83,10 @@ impl ImageDataMethods for ImageData {
self.height self.height
} }
#[allow(unsafe_code)]
// https://html.spec.whatwg.org/multipage/#dom-imagedata-data // 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()); 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 // check-tidy: no specs after this line
use core::nonzero::NonZero;
use dom::bindings::codegen::Bindings::EventListenerBinding::EventListener; use dom::bindings::codegen::Bindings::EventListenerBinding::EventListener;
use dom::bindings::codegen::Bindings::FunctionBinding::Function; use dom::bindings::codegen::Bindings::FunctionBinding::Function;
use dom::bindings::codegen::Bindings::TestBindingBinding; use dom::bindings::codegen::Bindings::TestBindingBinding;
@ -139,21 +140,21 @@ impl TestBindingMethods for TestBinding {
} }
fn SetUnion9Attribute(&self, _: ByteStringOrLong) {} fn SetUnion9Attribute(&self, _: ByteStringOrLong) {}
#[allow(unsafe_code)] #[allow(unsafe_code)]
fn ArrayAttribute(&self, cx: *mut JSContext) -> *mut JSObject { fn ArrayAttribute(&self, cx: *mut JSContext) -> NonZero<*mut JSObject> {
unsafe { unsafe {
rooted!(in(cx) let array = JS_NewUint8ClampedArray(cx, 16)); rooted!(in(cx) let array = JS_NewUint8ClampedArray(cx, 16));
assert!(!array.is_null()); assert!(!array.is_null());
array.get() NonZero::new(array.get())
} }
} }
fn AnyAttribute(&self, _: *mut JSContext) -> JSVal { NullValue() } fn AnyAttribute(&self, _: *mut JSContext) -> JSVal { NullValue() }
fn SetAnyAttribute(&self, _: *mut JSContext, _: HandleValue) {} fn SetAnyAttribute(&self, _: *mut JSContext, _: HandleValue) {}
#[allow(unsafe_code)] #[allow(unsafe_code)]
fn ObjectAttribute(&self, cx: *mut JSContext) -> *mut JSObject { fn ObjectAttribute(&self, cx: *mut JSContext) -> NonZero<*mut JSObject> {
unsafe { unsafe {
rooted!(in(cx) let obj = JS_NewPlainObject(cx)); rooted!(in(cx) let obj = JS_NewPlainObject(cx));
assert!(!obj.is_null()); assert!(!obj.is_null());
obj.get() NonZero::new(obj.get())
} }
} }
fn SetObjectAttribute(&self, _: *mut JSContext, _: *mut JSObject) {} fn SetObjectAttribute(&self, _: *mut JSContext, _: *mut JSObject) {}
@ -208,7 +209,7 @@ impl TestBindingMethods for TestBinding {
fn SetInterfaceAttributeWeak(&self, url: Option<&URL>) { fn SetInterfaceAttributeWeak(&self, url: Option<&URL>) {
self.url.set(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 SetObjectAttributeNullable(&self, _: *mut JSContext, _: *mut JSObject) {}
fn GetUnionAttributeNullable(&self) -> Option<HTMLElementOrLong> { fn GetUnionAttributeNullable(&self) -> Option<HTMLElementOrLong> {
Some(HTMLElementOrLong::Long(0)) Some(HTMLElementOrLong::Long(0))
@ -257,7 +258,7 @@ impl TestBindingMethods for TestBinding {
Blob::new(self.global().r(), BlobImpl::new_from_bytes(vec![]), "".to_owned()) Blob::new(self.global().r(), BlobImpl::new_from_bytes(vec![]), "".to_owned())
} }
fn ReceiveAny(&self, _: *mut JSContext) -> JSVal { NullValue() } 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) self.ObjectAttribute(cx)
} }
fn ReceiveUnion(&self) -> HTMLElementOrLong { HTMLElementOrLong::Long(0) } fn ReceiveUnion(&self) -> HTMLElementOrLong { HTMLElementOrLong::Long(0) }
@ -300,7 +301,7 @@ impl TestBindingMethods for TestBinding {
fn ReceiveNullableInterface(&self) -> Option<Root<Blob>> { fn ReceiveNullableInterface(&self) -> Option<Root<Blob>> {
Some(Blob::new(self.global().r(), BlobImpl::new_from_bytes(vec![]), "".to_owned())) 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) self.GetObjectAttributeNullable(cx)
} }
fn ReceiveNullableUnion(&self) -> Option<HTMLElementOrLong> { 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 * 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/. */ * 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;
use dom::bindings::codegen::Bindings::TextEncoderBinding::TextEncoderMethods; use dom::bindings::codegen::Bindings::TextEncoderBinding::TextEncoderMethods;
use dom::bindings::error::{Error, Fallible}; use dom::bindings::error::{Error, Fallible};
@ -70,7 +71,7 @@ impl TextEncoderMethods for TextEncoder {
#[allow(unsafe_code)] #[allow(unsafe_code)]
// https://encoding.spec.whatwg.org/#dom-textencoder-encode // 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 { unsafe {
let encoded = self.encoder.encode(&input.0, EncoderTrap::Strict).unwrap(); let encoded = self.encoder.encode(&input.0, EncoderTrap::Strict).unwrap();
let length = encoded.len() as u32; 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()); let js_object_data: *mut uint8_t = JS_GetUint8ArrayData(js_object.get(), &mut is_shared, ptr::null());
assert!(!is_shared); assert!(!is_shared);
ptr::copy_nonoverlapping(encoded.as_ptr(), js_object_data, length as usize); 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/. */ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use canvas_traits::{CanvasCommonMsg, CanvasMsg, byte_swap}; 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::WebGLRenderingContextConstants as constants;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextMethods; use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextMethods;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::{self, WebGLContextAttributes}; 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 // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.14
fn GetExtension(&self, _cx: *mut JSContext, _name: DOMString) -> *mut JSObject { fn GetExtension(&self, _cx: *mut JSContext, _name: DOMString)
0 as *mut JSObject -> Option<NonZero<*mut JSObject>> {
None
} }
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3 // 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 * 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/. */ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use core::nonzero::NonZero;
use document_loader::DocumentLoader; use document_loader::DocumentLoader;
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods; use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::XMLDocumentBinding::{self, XMLDocumentMethods}; 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 // 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) self.upcast::<Document>().NamedGetter(_cx, name, found)
} }
} }

2
components/servo/Cargo.lock generated
View file

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