public unsafe bool DefineProperty(string name, JSValue value, JSPropertyFlags flags)
{
fixed(byte *aName = Utils.StringToManagedUTF8(name))
{
return(DefinePropertyInternal(aName, value, flags));
}
}
/// <summary>
/// Defines a new property directly on an object, or modifies an existing property on an object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="value">The value associated with the property.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public bool DefineProperty(string name, QuickJSValue value, JSPropertyFlags flags)
{
if (value is null)
{
return(DefineProperty(name, JSValue.Null, flags));
}
else
{
if (!Context.IsCompatibleWith(value.Context))
{
throw new ArgumentOutOfRangeException(nameof(value));
}
return(DefineProperty(name, value.GetNativeInstance(), flags));
}
}
private unsafe bool DefinePropertyInternal(byte *name, JSValue value, JSPropertyFlags flags)
{
if (name == null)
{
JS_FreeValue(Context.NativeInstance, value);
throw new ArgumentNullException(nameof(name));
}
int rv = JS_DefinePropertyValueStr(Context.NativeInstance, this.NativeInstance, name, value, flags & JSPropertyFlags.CWE);
if (rv == -1)
{
Context.NativeInstance.ThrowPendingException();
}
return(rv == 1);
}
private unsafe bool DefinePropertyInternal(byte *name, JSValue getter, JSValue setter, JSPropertyFlags flags)
{
JSContext context = Context.NativeInstance;
if (name == null)
{
JS_FreeValue(context, getter);
JS_FreeValue(context, setter);
throw new ArgumentNullException(nameof(name));
}
JSAtom prop = JS_NewAtom(context, name);
int rv = JS_DefinePropertyGetSet(context, this.NativeInstance, prop, getter, setter, flags & JSPropertyFlags.CWE);
JS_FreeAtom(context, prop);
if (rv == -1)
{
context.ThrowPendingException();
}
return(rv == 1);
}
public unsafe bool DefineProperty(string name, JSCFunction getter, JSCFunction setter, JSPropertyFlags flags)
{
JSValue getterVal, setterVal;
getterVal = getter is null ? JSValue.Undefined : Context.CreateFunctionRaw("get_" + name, getter, 0);
try
{
setterVal = setter is null ? JSValue.Undefined : Context.CreateFunctionRaw("set_" + name, setter, 1);
}
catch
{
JS_FreeValue(Context.NativeInstance, getterVal);
throw;
}
fixed(byte *aName = Utils.StringToManagedUTF8(name))
{
return(DefinePropertyInternal(aName, getterVal, setterVal, flags));
}
}
/// <summary>
/// Defines a new property directly on an object, or modifies an existing property on an object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="value">The value associated with the property.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public bool DefineProperty(string name, string value, JSPropertyFlags flags)
{
return(DefineProperty(name, JSValue.Create(Context.NativeInstance, value), flags));
}
/// <summary>
/// Defines a new property directly on an object, or modifies an existing property on an object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="value">The value associated with the property.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public bool DefineProperty(string name, bool value, JSPropertyFlags flags)
{
return(DefineProperty(name, JS_NewBool(Context.NativeInstance, value), flags));
}
/// <summary>
/// Defines a new property directly on an object, or modifies an existing property on an object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="value">The value associated with the property.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public bool DefineProperty(string name, double value, JSPropertyFlags flags)
{
return(DefineProperty(name, JS_NewFloat64(Context.NativeInstance, value), flags));
}
/// <summary>
/// Creates a native function and assigns it as a property to this JS object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="func">The function associated with the property.</param>
/// <param name="argCount">The number of arguments the function expects to receive.</param>
/// <param name="magic">A magic value.</param>
/// <param name="data">An array containing data to be used by the method.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public unsafe bool DefineFunction(string name, JSCFunctionDataDelegate func, int argCount, int magic, JSValue[] data, JSPropertyFlags flags)
{
fixed(byte *aName = Utils.StringToManagedUTF8(name))
{
return(DefinePropertyInternal(aName, Context.CreateFunctionRaw(func, argCount, magic, data), flags));
}
}
/// <summary>
/// Creates a native function and assigns it as a property to this JS object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="func">The function associated with the property.</param>
/// <param name="argCount">The number of arguments the function expects to receive.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public unsafe bool DefineFunction(string name, JSCFunction func, int argCount, JSPropertyFlags flags)
{
fixed(byte *aName = Utils.StringToManagedUTF8(name))
{
return(DefinePropertyInternal(aName, Context.CreateFunctionRawInternal(aName, func, argCount), flags));
}
}
private int SetPropertyImpl(JSContext cx, JSValue obj, JSAtom prop, JSValue value, JSValue receiver, JSPropertyFlags flags)
{
try
{
return(_callbacks.set_property(cx, obj, prop, value, receiver, flags));
}
catch (OutOfMemoryException)
{
JS_ThrowOutOfMemory(cx);
return(-1);
}
catch (Exception ex)
{
Utils.ReportException(cx, ex);
return(-1);
}
}
private int DefineOwnPropertyImpl(JSContext cx, JSValue thisObj, JSAtom prop, JSValue val, JSValue getter, JSValue setter, JSPropertyFlags flags)
{
try
{
return(_callbacks.define_own_property(cx, thisObj, prop, val, getter, setter, flags));
}
catch (OutOfMemoryException)
{
JS_ThrowOutOfMemory(cx);
return(-1);
}
catch (Exception ex)
{
Utils.ReportException(cx, ex);
return(-1);
}
}
/// <summary>
/// Defines a new property directly on an object, or modifies an existing property on an object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="value">The value associated with the property.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public bool DefineProperty(string name, long value, JSPropertyFlags flags)
{
return(DefineProperty(name, JS_NewInt64(_context.NativeInstance, value), flags));
}
/// <summary>
/// Creates a native constructor function and assigns it as a property tothe global object.
/// </summary>
/// <param name="name">The name of the property to be defined or modified.</param>
/// <param name="func">The function associated with the property.</param>
/// <param name="argCount">The number of arguments the function expects to receive.</param>
/// <param name="magic">A magic value.</param>
/// <param name="data">An array containing data to be used by the method.</param>
/// <param name="flags">A bitwise combination of the <see cref="JSPropertyFlags"/>.</param>
/// <returns>true if the property has been defined or redefined; otherwise false.</returns>
public unsafe bool DefineConstructor(string name, JSCFunctionDataDelegate func, int argCount, int magic, JSValue[] data, JSPropertyFlags flags)
{
fixed(byte *aName = Utils.StringToManagedUTF8(name))
{
int rv = -1;
JSValue globObj = JS_GetGlobalObject(this.NativeInstance);
try
{
JSValue ctor = CreateFunctionRaw(func, argCount, magic, data);
JS_SetConstructorBit(this.NativeInstance, ctor, true);
rv = JS_DefinePropertyValueStr(this.NativeInstance, globObj, aName, ctor, flags & JSPropertyFlags.CWE);
if (rv == -1)
{
this.NativeInstance.ThrowPendingException();
}
}
finally
{
JS_FreeValue(this.NativeInstance, globObj);
}
return(rv == 1);
}
}
