diff options
-rw-r--r-- | ChangeLog | 3 | ||||
-rw-r--r-- | doc/self.n | 9 | ||||
-rw-r--r-- | generic/tclOOBasic.c | 19 | ||||
-rw-r--r-- | tests/oo.test | 27 |
4 files changed, 39 insertions, 19 deletions
@@ -1,5 +1,8 @@ 2009-03-24 Donal K. Fellows <dkf@users.sf.net> + * generic/tclOOBasic.c (TclOOSelfObjCmd): [Bug 2704302]: Make 'self + class' better defined in the context of objects that change class. + * generic/tclVar.c (Tcl_UpvarObjCmd): [Bug 2673163] (ferrieux) * generic/tclProc.c (TclObjGetFrame): Make the upvar command more able to handle its officially documented syntax. @@ -4,7 +4,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: self.n,v 1.2 2008/10/17 10:22:25 dkf Exp $ +'\" RCS: @(#) $Id: self.n,v 1.3 2009/03/24 10:46:04 dkf Exp $ '\" .so man.macros .TH self n 0.1 TclOO "TclOO Commands" @@ -39,9 +39,10 @@ destructors respectively). .TP \fBself class\fR . -This returns the name of the class or object that the current method was -defined within. Note that this will change as the chain of method -implementations is traversed with \fBnext\fR. +This returns the name of the class that the current method was defined within. +Note that this will change as the chain of method implementations is traversed +with \fBnext\fR, and that if the method was defined on an object then this +will fail. .TP \fBself filter\fR . diff --git a/generic/tclOOBasic.c b/generic/tclOOBasic.c index 8be8773..f70d4f9 100644 --- a/generic/tclOOBasic.c +++ b/generic/tclOOBasic.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclOOBasic.c,v 1.17 2009/02/10 22:49:55 nijtmans Exp $ + * RCS: @(#) $Id: tclOOBasic.c,v 1.18 2009/03/24 10:46:04 dkf Exp $ */ #ifdef HAVE_CONFIG_H @@ -740,23 +740,14 @@ TclOOSelfObjCmd( contextPtr->oPtr->namespacePtr->fullName,-1)); return TCL_OK; case SELF_CLASS: { - Method *mPtr = CurrentlyInvoked(contextPtr).mPtr; - Object *declarerPtr; + Class *clsPtr = CurrentlyInvoked(contextPtr).mPtr->declaringClassPtr; - if (mPtr->declaringClassPtr != NULL) { - declarerPtr = mPtr->declaringClassPtr->thisPtr; - } else if (mPtr->declaringObjectPtr != NULL) { - declarerPtr = mPtr->declaringObjectPtr; - } else { - /* - * This should be unreachable code. - */ - - Tcl_AppendResult(interp, "method without declarer!", NULL); + if (clsPtr == NULL) { + Tcl_AppendResult(interp, "method not defined by a class", NULL); return TCL_ERROR; } - Tcl_SetObjResult(interp, TclOOObjectName(interp, declarerPtr)); + Tcl_SetObjResult(interp, TclOOObjectName(interp, clsPtr->thisPtr)); return TCL_OK; } case SELF_METHOD: diff --git a/tests/oo.test b/tests/oo.test index 1f5573b..6c3187b 100644 --- a/tests/oo.test +++ b/tests/oo.test @@ -7,7 +7,7 @@ # See the file "license.terms" for information on usage and redistribution of # this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: oo.test,v 1.23 2009/02/12 09:27:44 dkf Exp $ +# RCS: @(#) $Id: oo.test,v 1.24 2009/03/24 10:46:04 dkf Exp $ package require TclOO 0.6.1 ;# Must match value in generic/tclOO.h if {[lsearch [namespace children] ::tcltest] == -1} { @@ -979,6 +979,20 @@ test oo-13.3 {OO: changing an object's class} -body { } -cleanup { foo destroy } -returnCodes 1 -result {may not change a class object into a non-class object} +test oo-13.4 {OO: changing an object's class} -body { + oo::class create foo { + method m {} { + set result [list [self class] [info object class [self]]] + oo::objdefine [self] class ::bar + lappend result [self class] [info object class [self]] + } + } + oo::class create bar + [foo new] m +} -cleanup { + foo destroy + bar destroy +} -result {::foo ::foo ::foo ::bar} # todo: changing a class subtype (metaclass) to another class subtype test oo-14.1 {OO: mixins} { @@ -2183,6 +2197,17 @@ test oo-28.1 {scripted extensions to oo::define} -setup { list [catch {obj m 1 2}] [obj eval my m 3 4] } } -result {1 3,4} + +test oo-29.1 {self class with object-defined methods} -setup { + oo::object create obj +} -body { + oo::objdefine obj method demo {} { + self class + } + obj demo +} -returnCodes error -cleanup { + obj destroy +} -result {method not defined by a class} cleanupTests return |