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Move ConstantSpec, NonNullJSNative and define_constants from utils to…
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… interface
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@nxnfufunezn
nxnfufunezn committed Jan 24, 2016
1 parent 525e77f commit e54929b
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Showing 3 changed files with 72 additions and 68 deletions.
7 changes: 4 additions & 3 deletions components/script/dom/bindings/codegen/CodegenRust.py
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Expand Up @@ -5353,20 +5353,21 @@ def __init__(self, config, prefix, webIDLFile):
'dom::bindings::interface::{NonCallbackInterfaceObjectClass, create_callback_interface_object}',
'dom::bindings::interface::{create_interface_prototype_object, create_named_constructors}',
'dom::bindings::interface::{create_noncallback_interface_object, has_instance}',
'dom::bindings::interface::{ConstantSpec, NonNullJSNative}',
'dom::bindings::interface::ConstantVal::{IntVal, UintVal}',
'dom::bindings::js::{JS, Root, RootedReference}',
'dom::bindings::js::{OptionalRootedReference}',
'dom::bindings::reflector::{Reflectable}',
'dom::bindings::utils::{ConstantSpec, DOMClass, DOMJSClass}',
'dom::bindings::utils::{DOMClass, DOMJSClass}',
'dom::bindings::utils::{DOM_PROTO_UNFORGEABLE_HOLDER_SLOT, JSCLASS_DOM_GLOBAL}',
'dom::bindings::utils::{NonNullJSNative, ProtoOrIfaceArray, create_dom_global}',
'dom::bindings::utils::{ProtoOrIfaceArray, create_dom_global}',
'dom::bindings::utils::{finalize_global, find_enum_string_index, generic_getter}',
'dom::bindings::utils::{generic_lenient_getter, generic_lenient_setter}',
'dom::bindings::utils::{generic_method, generic_setter, get_array_index_from_id}',
'dom::bindings::utils::{get_dictionary_property, get_property_on_prototype}',
'dom::bindings::utils::{get_proto_or_iface_array, has_property_on_prototype}',
'dom::bindings::utils::{is_platform_object, set_dictionary_property}',
'dom::bindings::utils::{throwing_constructor, trace_global}',
'dom::bindings::utils::ConstantVal::{IntVal, UintVal}',
'dom::bindings::trace::{JSTraceable, RootedTraceable}',
'dom::bindings::callback::{CallbackContainer,CallbackInterface,CallbackFunction}',
'dom::bindings::callback::{CallSetup,ExceptionHandling}',
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66 changes: 63 additions & 3 deletions components/script/dom/bindings/interface.rs
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Expand Up @@ -6,20 +6,80 @@

use dom::bindings::codegen::PrototypeList;
use dom::bindings::conversions::get_dom_class;
use dom::bindings::utils::{ConstantSpec, NonNullJSNative, define_constants};
use js::glue::UncheckedUnwrapObject;
use js::jsapi::{Class, ClassExtension, ClassSpec, HandleObject, HandleValue, JSClass};
use js::jsapi::{JSContext, JSFunctionSpec, JSPropertySpec, JSString, JS_DefineProperty1};
use js::jsapi::{JS_DefineProperty2, JS_DefineProperty4, JS_GetFunctionObject};
use js::jsapi::{JS_GetPrototype, JS_InternString, JS_LinkConstructorAndPrototype};
use js::jsapi::{JS_NewFunction, JS_NewObject, JS_NewObjectWithUniqueType};
use js::jsapi::{JS_NewFunction, JS_NewObject, JS_NewObjectWithUniqueType, JS_DefineProperty};
use js::jsapi::{MutableHandleObject, MutableHandleValue, ObjectOps, RootedObject};
use js::jsapi::{RootedString, Value};
use js::jsapi::{RootedValue};
use js::jsval::{BooleanValue, DoubleValue, Int32Value, JSVal, NullValue, UInt32Value};
use js::rust::{define_methods, define_properties};
use js::{JSFUN_CONSTRUCTOR, JSPROP_PERMANENT, JSPROP_READONLY};
use js::{JSPROP_ENUMERATE, JSFUN_CONSTRUCTOR, JSPROP_PERMANENT, JSPROP_READONLY};
use libc;
use libc::c_uint;
use std::ptr;

/// Representation of an IDL constant value.
#[derive(Clone)]
pub enum ConstantVal {
/// `long` constant.
IntVal(i32),
/// `unsigned long` constant.
UintVal(u32),
/// `double` constant.
DoubleVal(f64),
/// `boolean` constant.
BoolVal(bool),
/// `null` constant.
NullVal,
}

/// Representation of an IDL constant.
#[derive(Clone)]
pub struct ConstantSpec {
/// name of the constant.
pub name: &'static [u8],
/// value of the constant.
pub value: ConstantVal,
}

impl ConstantSpec {
/// Returns a `JSVal` that represents the value of this `ConstantSpec`.
pub fn get_value(&self) -> JSVal {
match self.value {
ConstantVal::NullVal => NullValue(),
ConstantVal::IntVal(i) => Int32Value(i),
ConstantVal::UintVal(u) => UInt32Value(u),
ConstantVal::DoubleVal(d) => DoubleValue(d),
ConstantVal::BoolVal(b) => BooleanValue(b),
}
}
}

/// A JSNative that cannot be null.
pub type NonNullJSNative =
unsafe extern "C" fn (arg1: *mut JSContext, arg2: c_uint, arg3: *mut JSVal) -> bool;

/// Defines constants on `obj`.
/// Fails on JSAPI failure.
pub fn define_constants(cx: *mut JSContext, obj: HandleObject, constants: &'static [ConstantSpec]) {
for spec in constants {
let value = RootedValue::new(cx, spec.get_value());
unsafe {
assert!(JS_DefineProperty(cx,
obj,
spec.name.as_ptr() as *const libc::c_char,
value.handle(),
JSPROP_ENUMERATE | JSPROP_READONLY | JSPROP_PERMANENT,
None,
None));
}
}
}

/// A constructor class hook.
pub type ConstructorClassHook =
unsafe extern "C" fn(cx: *mut JSContext, argc: u32, vp: *mut Value) -> bool;
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67 changes: 5 additions & 62 deletions components/script/dom/bindings/utils.rs
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Expand Up @@ -22,16 +22,16 @@ use js::glue::{RUST_JSID_TO_INT, UnwrapObject};
use js::jsapi::{CallArgs, CompartmentOptions, DOMCallbacks, GetGlobalForObjectCrossCompartment};
use js::jsapi::{HandleId, HandleObject, HandleValue, Heap, JSAutoCompartment, JSClass, JSContext};
use js::jsapi::{JSJitInfo, JSObject, JSTraceOp, JSTracer, JSVersion, JSWrapObjectCallbacks};
use js::jsapi::{JS_DefineProperty, JS_DeletePropertyById1, JS_FireOnNewGlobalObject};
use js::jsapi::{JS_DeletePropertyById1, JS_FireOnNewGlobalObject};
use js::jsapi::{JS_ForwardGetPropertyTo, JS_GetClass, JS_GetProperty, JS_GetPrototype};
use js::jsapi::{JS_GetReservedSlot, JS_HasProperty, JS_HasPropertyById, JS_InitStandardClasses};
use js::jsapi::{JS_IsExceptionPending, JS_NewGlobalObject, JS_ObjectToOuterObject, JS_SetProperty};
use js::jsapi::{JS_SetReservedSlot, MutableHandleValue, ObjectOpResult, OnNewGlobalHookOption};
use js::jsapi::{RootedObject, RootedValue};
use js::jsval::{BooleanValue, DoubleValue, Int32Value, JSVal, NullValue};
use js::jsval::{PrivateValue, UInt32Value, UndefinedValue};
use js::jsapi::{RootedObject};
use js::jsval::{JSVal};
use js::jsval::{PrivateValue, UndefinedValue};
use js::rust::{GCMethods, ToString};
use js::{JS_CALLEE, JSPROP_ENUMERATE, JSPROP_PERMANENT, JSPROP_READONLY};
use js::{JS_CALLEE};
use libc::{self, c_uint};
use std::default::Default;
use std::ffi::CString;
Expand Down Expand Up @@ -79,42 +79,6 @@ pub const DOM_PROTOTYPE_SLOT: u32 = js::JSCLASS_GLOBAL_SLOT_COUNT;
// changes.
pub const JSCLASS_DOM_GLOBAL: u32 = js::JSCLASS_USERBIT1;

/// Representation of an IDL constant value.
#[derive(Clone)]
pub enum ConstantVal {
/// `long` constant.
IntVal(i32),
/// `unsigned long` constant.
UintVal(u32),
/// `double` constant.
DoubleVal(f64),
/// `boolean` constant.
BoolVal(bool),
/// `null` constant.
NullVal,
}

/// Representation of an IDL constant.
#[derive(Clone)]
pub struct ConstantSpec {
/// name of the constant.
pub name: &'static [u8],
/// value of the constant.
pub value: ConstantVal,
}

impl ConstantSpec {
/// Returns a `JSVal` that represents the value of this `ConstantSpec`.
pub fn get_value(&self) -> JSVal {
match self.value {
ConstantVal::NullVal => NullValue(),
ConstantVal::IntVal(i) => Int32Value(i),
ConstantVal::UintVal(u) => UInt32Value(u),
ConstantVal::DoubleVal(d) => DoubleValue(d),
ConstantVal::BoolVal(b) => BooleanValue(b),
}
}
}

/// The struct that holds inheritance information for DOM object reflectors.
#[derive(Copy, Clone)]
Expand Down Expand Up @@ -155,27 +119,6 @@ pub fn get_proto_or_iface_array(global: *mut JSObject) -> *mut ProtoOrIfaceArray
}
}

/// A JSNative that cannot be null.
pub type NonNullJSNative =
unsafe extern "C" fn (arg1: *mut JSContext, arg2: c_uint, arg3: *mut JSVal) -> bool;

/// Defines constants on `obj`.
/// Fails on JSAPI failure.
pub fn define_constants(cx: *mut JSContext, obj: HandleObject, constants: &'static [ConstantSpec]) {
for spec in constants {
let value = RootedValue::new(cx, spec.get_value());
unsafe {
assert!(JS_DefineProperty(cx,
obj,
spec.name.as_ptr() as *const libc::c_char,
value.handle(),
JSPROP_ENUMERATE | JSPROP_READONLY | JSPROP_PERMANENT,
None,
None));
}
}
}

/// A throwing constructor, for those interfaces that have neither
/// `NoInterfaceObject` nor `Constructor`.
pub unsafe extern "C" fn throwing_constructor(cx: *mut JSContext,
Expand Down

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