<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Oct 13, 2009, at 9:28 PM, Kevin Cathey wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Should the getCanonicalDecl method on ObjCMethodDecl also search its superclasses? For example, if I have the following:<div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "><span style="color: #d200a9">@interface</span> MyBaseClass <MyProtocol> {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">- (<span style="color: #d200a9">void</span>)method1;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; color: rgb(210, 0, 169); ">@end</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "><span style="color: #d200a9">@interface</span> MyClass : MyBaseClass {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">- (<span style="color: #d200a9">void</span>)method2:(<span style="color: #d200a9">id</span>)argument;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; color: rgb(210, 0, 169); ">@end</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; color: rgb(210, 0, 169); ">@implementation<span style="color: #000000"> MyClass</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">- (<span style="color: #d200a9">void</span>)method1 {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">- (<span style="color: #d200a9">void</span>)method2:(<span style="color: #d200a9">id</span>)argument {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; color: rgb(210, 0, 169); ">@end</div><div><br class="webkit-block-placeholder"></div><div>I would expect that in the implementation of MyClass, that the canonical decl for both methods 1 and 2 should be their definitions in MyClass and MyBaseClass. Currently, only method2 resolves to the declaration. method1 returns itself.</div></div></div></blockquote><div><br class="webkit-block-placeholder"></div>In this case you are implementing a new [<span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">MyClass </span><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">method1] class which has no relationship to [</span><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">MyBaseClass method1].</span></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">You need to provide implementation of <span class="Apple-style-span" style="font-family: Helvetica; font-size: 12px; "><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">[</span><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">MyBaseClass method1] when @implementing </span></span>MyBaseClass.</span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br class="webkit-block-placeholder"></span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;">- Fariborz</span></font></div><div><br></div></body></html>