mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
/* 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/. */
|
|
|
|
/**
|
|
* NS_OVERRIDE may be marked on class methods which are intended to override
|
|
* a method in a base class. If the method is removed or altered in the base
|
|
* class, the compiler will force all subclass overrides to be modified.
|
|
*/
|
|
|
|
/**
|
|
* Generate all the base classes recursively of class `c`.
|
|
*/
|
|
function all_bases(c)
|
|
{
|
|
for each (let b in c.bases) {
|
|
yield b.type;
|
|
for (let bb in all_bases(b.type))
|
|
yield bb;
|
|
}
|
|
}
|
|
|
|
function process_decl(d)
|
|
{
|
|
if (!hasAttribute(d, 'NS_override'))
|
|
return;
|
|
|
|
if (!d.memberOf || !d.isFunction) {
|
|
error("%s is marked NS_OVERRIDE but is not a class function.".format(d.name), d.loc);
|
|
return;
|
|
}
|
|
|
|
if (d.isStatic) {
|
|
error("Marking NS_OVERRIDE on static function %s is meaningless.".format(d.name), d.loc);
|
|
return;
|
|
}
|
|
|
|
for (let base in all_bases(d.memberOf)) {
|
|
for each (let m in base.members) {
|
|
if (m.shortName == d.shortName && signaturesMatch(m, d))
|
|
return;
|
|
}
|
|
}
|
|
|
|
error("NS_OVERRIDE function %s does not override a base class method with the same name and signature".format(d.name), d.loc);
|
|
}
|