Patch.prototype.update = function (src) {
var opts = {};
if (this.context) opts.names = this.context.names;
var nsrc = scoper('(function(){' + src + '})()', opts);
var c = Function('return ' + nsrc)();
if (this.context) {
var ctx = this.context;
c.patch(ctx);
var fpatch = patcher.computePatch(ctx.function, c.function);
var lpatch = patcher.computePatch(ctx.literal, c.literal);
if (fpatch) patcher.applyPatch(ctx.function, fpatch);
if (lpatch) patcher.applyPatch(ctx.literal, lpatch);
var keys = Object.keys(c.names)
var names = keys.map(function (n) { return c.names[n] });
var vars = keys.map(function (k) { return ctx[k] });
if (lpatch) Object.keys(lpatch).forEach(function (key) {
var fsrc = ';(' + fpatch[key] + ')()';
var ix = 0;
falafel(fsrc, function (node) {
if (node.type !== 'Identifier') return;
if (node.name !== c.names.literal) return;
var up = upexpr(node);
if (getscope(ctx.scope, node) !== key) return;
if (!has(lpatch[key], ix ++)) return;
Function(names, up.source()).apply(null, vars);
});
});
}
else {
this.context = c;
c.run();
}
};
self.patch = function (patch) {
if (patch !== null) {
patcher.applyPatch(self.object, patch);
self.emit('update', self.object);
}
};