diff options
| -rw-r--r-- | generic/tclBasic.c | 131 | ||||
| -rw-r--r-- | generic/tclInt.h | 1 | ||||
| -rw-r--r-- | generic/tclInterp.c | 56 | ||||
| -rw-r--r-- | generic/tclNamesp.c | 2 | ||||
| -rw-r--r-- | generic/tclOOMethod.c | 2 | ||||
| -rw-r--r-- | generic/tclStubLibTbl.c | 58 |
6 files changed, 127 insertions, 123 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 4d56f3a..c90a5e2 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -147,7 +147,8 @@ static int TEOV_NotFound(Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], Namespace *lookupNsPtr); static int TEOV_RunEnterTraces(Tcl_Interp *interp, Command **cmdPtrPtr, Tcl_Obj *commandPtr, int objc, - Tcl_Obj *const objv[], Namespace *lookupNsPtr); + Tcl_Obj *const objv[], Namespace *lookupNsPtr, + int weLookUp); static Tcl_NRPostProc RewindCoroutineCallback; static Tcl_NRPostProc TailcallCleanup; static Tcl_NRPostProc TEOEx_ByteCodeCallback; @@ -160,6 +161,7 @@ static Tcl_NRPostProc TEOV_RunLeaveTraces; static Tcl_NRPostProc Dispatch; static Tcl_ObjCmdProc NRCoroInjectObjCmd; +static Tcl_NRPostProc NRPostInvoke; MODULE_SCOPE const TclStubs tclStubs; @@ -4095,6 +4097,7 @@ TclNREvalObjv( Interp *iPtr = (Interp *) interp; int result; Namespace *lookupNsPtr = iPtr->lookupNsPtr; + int weLookUp = (cmdPtr == NULL); iPtr->lookupNsPtr = NULL; @@ -4121,10 +4124,6 @@ TclNREvalObjv( return result; } - if (cmdPtr) { - goto commandFound; - } - /* * Push records for task to be done on return, in INVERSE order. First, if * needed, the exception handlers (as they should happen last). @@ -4134,6 +4133,10 @@ TclNREvalObjv( TEOV_PushExceptionHandlers(interp, objc, objv, flags); } + if (!weLookUp) { + goto commandFound; + } + /* * Configure evaluation context to match the requested flags. */ @@ -4182,12 +4185,16 @@ TclNREvalObjv( result = TEOV_RunEnterTraces(interp, &cmdPtr, TclGetSourceFromFrame( flags & TCL_EVAL_SOURCE_IN_FRAME ? iPtr->cmdFramePtr : NULL, - objc, objv), objc, objv, lookupNsPtr); + objc, objv), objc, objv, lookupNsPtr, weLookUp); if (result != TCL_OK) { return result; } - if (!cmdPtr) { - return TEOV_NotFound(interp, objc, objv, lookupNsPtr); + if (cmdPtr == NULL) { + if (weLookUp) { + return TEOV_NotFound(interp, objc, objv, lookupNsPtr); + } + /* Is this right??? */ + return TCL_OK; } } @@ -4578,7 +4585,8 @@ TEOV_RunEnterTraces( Tcl_Obj *commandPtr, int objc, Tcl_Obj *const objv[], - Namespace *lookupNsPtr) + Namespace *lookupNsPtr, + int weLookUp) { Interp *iPtr = (Interp *) interp; Command *cmdPtr = *cmdPtrPtr; @@ -4586,7 +4594,7 @@ TEOV_RunEnterTraces( int cmdEpoch = cmdPtr->cmdEpoch; int newEpoch; const char *command; - int length; + int length, deleted; Tcl_IncrRefCount(commandPtr); command = Tcl_GetStringFromObj(commandPtr, &length); @@ -4608,16 +4616,32 @@ TEOV_RunEnterTraces( cmdPtr, TCL_OK, TCL_TRACE_ENTER_EXEC, objc, objv); } newEpoch = cmdPtr->cmdEpoch; + deleted = cmdPtr->flags & CMD_IS_DELETED; TclCleanupCommandMacro(cmdPtr); - /* - * If the traces modified/deleted the command or any existing traces, they - * will update the command's epoch. We need to lookup again, but do not - * run enter traces on the newly found cmdPtr. - */ - if (cmdEpoch != newEpoch) { - cmdPtr = TEOV_LookupCmdFromObj(interp, objv[0], lookupNsPtr); + + /* + * The traces did something to the traced command. How should + * we respond? + * + * If we got the trace command by looking up a command name, we + * should just look it up again. + */ + if (weLookUp) { + cmdPtr = TEOV_LookupCmdFromObj(interp, objv[0], lookupNsPtr); + } else { + + /* + * If we did not look up a command name, we got the cmdPtr + * from a caller. If that cmdPtr has been deleted, we need + * to avoid a crash. Otherwise, press on. We don't have + * any foundation to claim a better answer. + */ + if (deleted) { + cmdPtr = NULL; + } + } *cmdPtrPtr = cmdPtr; } @@ -6445,30 +6469,32 @@ TclObjInvoke( * TCL_INVOKE_HIDDEN, TCL_INVOKE_NO_UNKNOWN, * or TCL_INVOKE_NO_TRACEBACK. */ { - register Interp *iPtr = (Interp *) interp; - Tcl_HashTable *hTblPtr; /* Table of hidden commands. */ - const char *cmdName; /* Name of the command from objv[0]. */ - Tcl_HashEntry *hPtr = NULL; - Command *cmdPtr; - int result; - if (interp == NULL) { return TCL_ERROR; } - if ((objc < 1) || (objv == NULL)) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "illegal argument vector", -1)); return TCL_ERROR; } - if ((flags & TCL_INVOKE_HIDDEN) == 0) { Tcl_Panic("TclObjInvoke: called without TCL_INVOKE_HIDDEN"); } + return Tcl_NRCallObjProc(interp, TclNRInvoke, NULL, objc, objv); +} - if (TclInterpReady(interp) == TCL_ERROR) { - return TCL_ERROR; - } +int +TclNRInvoke( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + register Interp *iPtr = (Interp *) interp; + Tcl_HashTable *hTblPtr; /* Table of hidden commands. */ + const char *cmdName; /* Name of the command from objv[0]. */ + Tcl_HashEntry *hPtr = NULL; + Command *cmdPtr; cmdName = TclGetString(objv[0]); hTblPtr = iPtr->hiddenCmdTablePtr; @@ -6484,36 +6510,22 @@ TclObjInvoke( } cmdPtr = Tcl_GetHashValue(hPtr); - /* - * Invoke the command function. - */ - - iPtr->cmdCount++; - if (cmdPtr->objProc != NULL) { - result = cmdPtr->objProc(cmdPtr->objClientData, interp, objc, objv); - } else { - result = Tcl_NRCallObjProc(interp, cmdPtr->nreProc, - cmdPtr->objClientData, objc, objv); - } - - /* - * If an error occurred, record information about what was being executed - * when the error occurred. - */ - - if ((result == TCL_ERROR) - && ((flags & TCL_INVOKE_NO_TRACEBACK) == 0) - && ((iPtr->flags & ERR_ALREADY_LOGGED) == 0)) { - int length; - Tcl_Obj *command = Tcl_NewListObj(objc, objv); - const char *cmdString; + /* Avoid the exception-handling brain damage when numLevels == 0 . */ + iPtr->numLevels++; + Tcl_NRAddCallback(interp, NRPostInvoke, NULL, NULL, NULL, NULL); + + /* TODO: how to get re-resolution right */ + return TclNREvalObjv(interp, objc, objv, 0, cmdPtr); +} - Tcl_IncrRefCount(command); - cmdString = Tcl_GetStringFromObj(command, &length); - Tcl_LogCommandInfo(interp, cmdString, cmdString, length); - Tcl_DecrRefCount(command); - iPtr->flags &= ~ERR_ALREADY_LOGGED; - } +static int +NRPostInvoke( + ClientData clientData[], + Tcl_Interp *interp, + int result) +{ + Interp *iPtr = (Interp *)interp; + iPtr->numLevels--; return result; } @@ -8061,7 +8073,8 @@ Tcl_NRCmdSwap( Tcl_Obj *const objv[], int flags) { - return TclNREvalObjv(interp, objc, objv, flags, (Command *) cmd); + return TclNREvalObjv(interp, objc, objv, flags|TCL_EVAL_NOERR, + (Command *) cmd); } /***************************************************************************** diff --git a/generic/tclInt.h b/generic/tclInt.h index 6056119..e0e694f 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -2725,6 +2725,7 @@ MODULE_SCOPE Tcl_ObjCmdProc TclNRCoroutineObjCmd; MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldObjCmd; MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldmObjCmd; MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldToObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRInvoke; MODULE_SCOPE void TclSetTailcall(Tcl_Interp *interp, Tcl_Obj *tailcallPtr); MODULE_SCOPE void TclPushTailcallPoint(Tcl_Interp *interp); diff --git a/generic/tclInterp.c b/generic/tclInterp.c index 1a4297b..0da5d47 100644 --- a/generic/tclInterp.c +++ b/generic/tclInterp.c @@ -279,6 +279,12 @@ static void DeleteScriptLimitCallback(ClientData clientData); static void RunLimitHandlers(LimitHandler *handlerPtr, Tcl_Interp *interp); static void TimeLimitCallback(ClientData clientData); + +/* NRE enabling */ +static Tcl_NRPostProc NRPostInvokeHidden; +static Tcl_ObjCmdProc NRInterpCmd; +static Tcl_ObjCmdProc NRSlaveCmd; + /* *---------------------------------------------------------------------- @@ -481,7 +487,8 @@ TclInterpInit( slavePtr->interpCmd = NULL; Tcl_InitHashTable(&slavePtr->aliasTable, TCL_STRING_KEYS); - Tcl_CreateObjCommand(interp, "interp", Tcl_InterpObjCmd, NULL, NULL); + Tcl_NRCreateCommand(interp, "interp", Tcl_InterpObjCmd, NRInterpCmd, + NULL, NULL); Tcl_CallWhenDeleted(interp, InterpInfoDeleteProc, NULL); return TCL_OK; @@ -590,6 +597,16 @@ Tcl_InterpObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { + return Tcl_NRCallObjProc(interp, NRInterpCmd, clientData, objc, objv); +} + +static int +NRInterpCmd( + ClientData clientData, /* Unused. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ Tcl_Interp *slaveInterp; int index; static const char *const options[] = { @@ -2372,8 +2389,8 @@ SlaveCreate( slavePtr->masterInterp = masterInterp; slavePtr->slaveEntryPtr = hPtr; slavePtr->slaveInterp = slaveInterp; - slavePtr->interpCmd = Tcl_CreateObjCommand(masterInterp, path, - SlaveObjCmd, slaveInterp, SlaveObjCmdDeleteProc); + slavePtr->interpCmd = Tcl_NRCreateCommand(masterInterp, path, + SlaveObjCmd, NRSlaveCmd, slaveInterp, SlaveObjCmdDeleteProc); Tcl_InitHashTable(&slavePtr->aliasTable, TCL_STRING_KEYS); Tcl_SetHashValue(hPtr, slavePtr); Tcl_SetVar(slaveInterp, "tcl_interactive", "0", TCL_GLOBAL_ONLY); @@ -2462,6 +2479,16 @@ SlaveObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { + return Tcl_NRCallObjProc(interp, NRSlaveCmd, clientData, objc, objv); +} + +static int +NRSlaveCmd( + ClientData clientData, /* Slave interpreter. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ Tcl_Interp *slaveInterp = clientData; int index; static const char *const options[] = { @@ -3052,7 +3079,11 @@ SlaveInvokeHidden( Tcl_AllowExceptions(slaveInterp); if (namespaceName == NULL) { - result = TclObjInvoke(slaveInterp, objc, objv, TCL_INVOKE_HIDDEN); + NRE_callback *rootPtr = TOP_CB(slaveInterp); + + Tcl_NRAddCallback(interp, NRPostInvokeHidden, slaveInterp, + rootPtr, NULL, NULL); + return TclNRInvoke(NULL, slaveInterp, objc, objv); } else { Namespace *nsPtr, *dummy1, *dummy2; const char *tail; @@ -3071,6 +3102,23 @@ SlaveInvokeHidden( Tcl_Release(slaveInterp); return result; } + +static int +NRPostInvokeHidden( + ClientData data[], + Tcl_Interp *interp, + int result) +{ + Tcl_Interp *slaveInterp = (Tcl_Interp *)data[0]; + NRE_callback *rootPtr = (NRE_callback *)data[1]; + + if (interp != slaveInterp) { + result = TclNRRunCallbacks(slaveInterp, result, rootPtr); + Tcl_TransferResult(slaveInterp, result, interp); + } + Tcl_Release(slaveInterp); + return result; +} /* *---------------------------------------------------------------------- diff --git a/generic/tclNamesp.c b/generic/tclNamesp.c index aed623a..bdd5386 100644 --- a/generic/tclNamesp.c +++ b/generic/tclNamesp.c @@ -1942,7 +1942,7 @@ InvokeImportedNRCmd( Command *realCmdPtr = dataPtr->realCmdPtr; TclSkipTailcall(interp); - return Tcl_NRCmdSwap(interp, (Tcl_Command) realCmdPtr, objc, objv, 0); + return TclNREvalObjv(interp, objc, objv, TCL_EVAL_NOERR, realCmdPtr); } static int diff --git a/generic/tclOOMethod.c b/generic/tclOOMethod.c index f9f980a..81293c7 100644 --- a/generic/tclOOMethod.c +++ b/generic/tclOOMethod.c @@ -1421,7 +1421,7 @@ InvokeForwardMethod( Tcl_NRAddCallback(interp, FinalizeForwardCall, argObjs, NULL, NULL, NULL); ((Interp *)interp)->lookupNsPtr = (Namespace *) contextPtr->oPtr->namespacePtr; - return TclNREvalObjv(interp, len, argObjs, TCL_EVAL_INVOKE, NULL); + return TclNREvalObjv(interp, len, argObjs, TCL_EVAL_NOERR, NULL); } static int diff --git a/generic/tclStubLibTbl.c b/generic/tclStubLibTbl.c deleted file mode 100644 index 0391502..0000000 --- a/generic/tclStubLibTbl.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * tclStubLibTbl.c -- - * - * Stub object that will be statically linked into extensions that want - * to access Tcl. - * - * Copyright (c) 1998-1999 by Scriptics Corporation. - * Copyright (c) 1998 Paul Duffin. - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#include "tclInt.h" - -/* - *---------------------------------------------------------------------- - * - * TclInitStubTable -- - * - * Initialize the stub table, using the structure pointed at - * by the "version" argument. - * - * Results: - * Outputs the value of the "version" argument. - * - * Side effects: - * Sets the stub table pointers. - * - *---------------------------------------------------------------------- - */ -MODULE_SCOPE const char * -TclInitStubTable( - const char *version) /* points to the version field of a - TclStubInfoType structure variable. */ -{ - tclStubsPtr = ((const TclStubInfoType *) version)->stubs; - - if (tclStubsPtr->hooks) { - tclPlatStubsPtr = tclStubsPtr->hooks->tclPlatStubs; - tclIntStubsPtr = tclStubsPtr->hooks->tclIntStubs; - tclIntPlatStubsPtr = tclStubsPtr->hooks->tclIntPlatStubs; - } else { - tclPlatStubsPtr = NULL; - tclIntStubsPtr = NULL; - tclIntPlatStubsPtr = NULL; - } - - return version; -} - -/* - * Local Variables: - * mode: c - * c-basic-offset: 4 - * fill-column: 78 - * End: - */ |