diff options
Diffstat (limited to 'generic/tclOOBasic.c')
-rw-r--r-- | generic/tclOOBasic.c | 102 |
1 files changed, 61 insertions, 41 deletions
diff --git a/generic/tclOOBasic.c b/generic/tclOOBasic.c index 35ad1eb..0676618 100644 --- a/generic/tclOOBasic.c +++ b/generic/tclOOBasic.c @@ -4,7 +4,7 @@ * This file contains implementations of the "simple" commands and * methods from the object-system core. * - * Copyright (c) 2005-2011 by Donal K. Fellows + * Copyright (c) 2005-2012 by Donal K. Fellows * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. @@ -168,8 +168,8 @@ TclOO_Class_Create( if (oPtr->classPtr == NULL) { Tcl_Obj *cmdnameObj = TclOOObjectName(interp, oPtr); - Tcl_AppendResult(interp, "object \"", TclGetString(cmdnameObj), - "\" is not a class", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "object \"%s\" is not a class", TclGetString(cmdnameObj))); Tcl_SetErrorCode(interp, "TCL", "OO", "INSTANTIATE_NONCLASS", NULL); return TCL_ERROR; } @@ -186,7 +186,8 @@ TclOO_Class_Create( objName = Tcl_GetStringFromObj( objv[Tcl_ObjectContextSkippedArgs(context)], &len); if (len == 0) { - Tcl_AppendResult(interp, "object name must not be empty", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "object name must not be empty", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "EMPTY_NAME", NULL); return TCL_ERROR; } @@ -232,8 +233,8 @@ TclOO_Class_CreateNs( if (oPtr->classPtr == NULL) { Tcl_Obj *cmdnameObj = TclOOObjectName(interp, oPtr); - Tcl_AppendResult(interp, "object \"", TclGetString(cmdnameObj), - "\" is not a class", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "object \"%s\" is not a class", TclGetString(cmdnameObj))); Tcl_SetErrorCode(interp, "TCL", "OO", "INSTANTIATE_NONCLASS", NULL); return TCL_ERROR; } @@ -250,14 +251,16 @@ TclOO_Class_CreateNs( objName = Tcl_GetStringFromObj( objv[Tcl_ObjectContextSkippedArgs(context)], &len); if (len == 0) { - Tcl_AppendResult(interp, "object name must not be empty", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "object name must not be empty", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "EMPTY_NAME", NULL); return TCL_ERROR; } nsName = Tcl_GetStringFromObj( objv[Tcl_ObjectContextSkippedArgs(context)+1], &len); if (len == 0) { - Tcl_AppendResult(interp, "namespace name must not be empty", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "namespace name must not be empty", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "EMPTY_NAME", NULL); return TCL_ERROR; } @@ -301,8 +304,8 @@ TclOO_Class_New( if (oPtr->classPtr == NULL) { Tcl_Obj *cmdnameObj = TclOOObjectName(interp, oPtr); - Tcl_AppendResult(interp, "object \"", TclGetString(cmdnameObj), - "\" is not a class", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "object \"%s\" is not a class", TclGetString(cmdnameObj))); Tcl_SetErrorCode(interp, "TCL", "OO", "INSTANTIATE_NONCLASS", NULL); return TCL_ERROR; } @@ -504,6 +507,7 @@ TclOO_Object_Unknown( Object *oPtr = contextPtr->oPtr; const char **methodNames; int numMethodNames, i, skip = Tcl_ObjectContextSkippedArgs(context); + Tcl_Obj *errorMsg; /* * If no method name, generate an error asking for a method name. (Only by @@ -529,31 +533,34 @@ TclOO_Object_Unknown( if (numMethodNames == 0) { Tcl_Obj *tmpBuf = TclOOObjectName(interp, oPtr); + const char *piece; - Tcl_AppendResult(interp, "object \"", TclGetString(tmpBuf), NULL); if (contextPtr->callPtr->flags & PUBLIC_METHOD) { - Tcl_AppendResult(interp, "\" has no visible methods", NULL); + piece = "visible methods"; } else { - Tcl_AppendResult(interp, "\" has no methods", NULL); + piece = "methods"; } + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "object \"%s\" has no %s", TclGetString(tmpBuf), piece)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[skip]), NULL); return TCL_ERROR; } - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[skip]), - "\": must be ", NULL); + errorMsg = Tcl_ObjPrintf("unknown method \"%s\": must be ", + TclGetString(objv[skip])); for (i=0 ; i<numMethodNames-1 ; i++) { if (i) { - Tcl_AppendResult(interp, ", ", NULL); + Tcl_AppendToObj(errorMsg, ", ", -1); } - Tcl_AppendResult(interp, methodNames[i], NULL); + Tcl_AppendToObj(errorMsg, methodNames[i], -1); } if (i) { - Tcl_AppendResult(interp, " or ", NULL); + Tcl_AppendToObj(errorMsg, " or ", -1); } - Tcl_AppendResult(interp, methodNames[i], NULL); + Tcl_AppendToObj(errorMsg, methodNames[i], -1); ckfree(methodNames); + Tcl_SetObjResult(interp, errorMsg); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[skip]), NULL); return TCL_ERROR; @@ -609,8 +616,9 @@ TclOO_Object_LinkVar( */ if (strstr(varName, "::") != NULL) { - Tcl_AppendResult(interp, "variable name \"", varName, - "\" illegal: must not contain namespace separator", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "variable name \"%s\" illegal: must not contain namespace" + " separator", varName)); Tcl_SetErrorCode(interp, "TCL", "UPVAR", "INVERTED", NULL); return TCL_ERROR; } @@ -784,8 +792,9 @@ TclOONextObjCmd( */ if (framePtr == NULL || !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { - Tcl_AppendResult(interp, TclGetString(objv[0]), - " may only be called from inside a method", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "%s may only be called from inside a method", + TclGetString(objv[0]))); Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL); return TCL_ERROR; } @@ -822,8 +831,9 @@ TclOONextToObjCmd( */ if (framePtr == NULL || !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { - Tcl_AppendResult(interp, TclGetString(objv[0]), - " may only be called from inside a method", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "%s may only be called from inside a method", + TclGetString(objv[0]))); Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL); return TCL_ERROR; } @@ -843,8 +853,9 @@ TclOONextToObjCmd( } classPtr = ((Object *)object)->classPtr; if (classPtr == NULL) { - Tcl_AppendResult(interp, "\"", TclGetString(objv[1]), - "\" is not a class", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" is not a class", TclGetString(objv[1]))); + Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_REQUIRED", NULL); return TCL_ERROR; } @@ -881,14 +892,15 @@ TclOONextToObjCmd( struct MInvoke *miPtr = contextPtr->callPtr->chain + i; if (!miPtr->isFilter && miPtr->mPtr->declaringClassPtr == classPtr) { - Tcl_AppendResult(interp, "method implementation by \"", - TclGetString(objv[1]), "\" not reachable from here", - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "method implementation by \"%s\" not reachable from here", + TclGetString(objv[1]))); return TCL_ERROR; } } - Tcl_AppendResult(interp, "method has no non-filter implementation by \"", - TclGetString(objv[1]), "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "method has no non-filter implementation by \"%s\"", + TclGetString(objv[1]))); return TCL_ERROR; } @@ -948,8 +960,9 @@ TclOOSelfObjCmd( */ if (framePtr == NULL || !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { - Tcl_AppendResult(interp, TclGetString(objv[0]), - " may only be called from inside a method", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "%s may only be called from inside a method", + TclGetString(objv[0]))); Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL); return TCL_ERROR; } @@ -983,7 +996,8 @@ TclOOSelfObjCmd( Class *clsPtr = CurrentlyInvoked(contextPtr).mPtr->declaringClassPtr; if (clsPtr == NULL) { - Tcl_AppendResult(interp, "method not defined by a class", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "method not defined by a class", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "UNMATCHED_CONTEXT", NULL); return TCL_ERROR; } @@ -1003,7 +1017,8 @@ TclOOSelfObjCmd( return TCL_OK; case SELF_FILTER: if (!CurrentlyInvoked(contextPtr).isFilter) { - Tcl_AppendResult(interp, "not inside a filtering context", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "not inside a filtering context", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "UNMATCHED_CONTEXT", NULL); return TCL_ERROR; } else { @@ -1028,7 +1043,8 @@ TclOOSelfObjCmd( case SELF_CALLER: if ((framePtr->callerVarPtr == NULL) || !(framePtr->callerVarPtr->isProcCallFrame & FRAME_IS_METHOD)){ - Tcl_AppendResult(interp, "caller is not an object", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "caller is not an object", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL); return TCL_ERROR; } else { @@ -1045,7 +1061,8 @@ TclOOSelfObjCmd( * This should be unreachable code. */ - Tcl_AppendResult(interp, "method without declarer!", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "method without declarer!", -1)); return TCL_ERROR; } @@ -1076,7 +1093,8 @@ TclOOSelfObjCmd( * This should be unreachable code. */ - Tcl_AppendResult(interp, "method without declarer!", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "method without declarer!", -1)); return TCL_ERROR; } @@ -1093,7 +1111,8 @@ TclOOSelfObjCmd( return TCL_OK; case SELF_TARGET: if (!CurrentlyInvoked(contextPtr).isFilter) { - Tcl_AppendResult(interp, "not inside a filtering context", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "not inside a filtering context", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "UNMATCHED_CONTEXT", NULL); return TCL_ERROR; } else { @@ -1119,7 +1138,8 @@ TclOOSelfObjCmd( * This should be unreachable code. */ - Tcl_AppendResult(interp, "method without declarer!", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "method without declarer!", -1)); return TCL_ERROR; } result[0] = TclOOObjectName(interp, declarerPtr); |