Changes in external/tcl/tclExecute.c [d7d2da3:adeddd8] in git

File:

• external/tcl/tclExecute.c (modified) (116 diffs)

external/tcl/tclExecute.c

@@ -51 +51 @@
 
 /*
- * Variable that controls whether execution tracing is enabled and, if so,
- * what level of tracing is desired:
- *    0: no execution tracing
- *    1: trace invocations of Tcl procs only
- *    2: trace invocations of all (not compiled away) commands
- *    3: display each instruction executed
- * This variable is linked to the Tcl variable "tcl_traceExec".
- */
-
-int tclTraceExec = 0;
-
-/*
  * The following global variable is use to signal matherr that Tcl
  * is responsible for the arithmetic, so errors can be handled in a
@@ -102 +90 @@
 };
     
-/*
- * Mapping from Tcl result codes to strings; used for error and debugging
- * messages. 
- */
-
-#ifdef TCL_COMPILE_DEBUG
-static char *resultStrings[] = {
-    "TCL_OK", "TCL_ERROR", "TCL_RETURN", "TCL_BREAK", "TCL_CONTINUE"
-};
-#endif /* TCL_COMPILE_DEBUG */
-
-/*
- * The following are statistics-related variables that record information
- * about the bytecode compiler and interpreter's operation. This includes
- * an array that records for each instruction how often it is executed.
- */
-
-#ifdef TCL_COMPILE_STATS
-static long numExecutions = 0;
-static int instructionCount[256];
-#endif /* TCL_COMPILE_STATS */
-
 /*
  * Macros for testing floating-point values for certain special cases. Test
@@ -187 +153 @@
 #define POP_OBJECT() \
     (stackPtr[stackTop--].o)
-
-/*
- * Macros used to trace instruction execution. The macros TRACE,
- * TRACE_WITH_OBJ, and O2S are only used inside TclExecuteByteCode.
- * O2S is only used in TRACE* calls to get a string from an object.
- * 
- * NOTE THAT CLIENTS OF O2S ARE LIKELY TO FAIL IF THE OBJECT'S
- * STRING REP CONTAINS NULLS. 
- */
-
-#ifdef TCL_COMPILE_DEBUG
-        
-#define O2S(objPtr) \
-    Tcl_GetStringFromObj((objPtr), &length)
-        
-#ifdef TCL_COMPILE_STATS
-#define TRACE(a) \
-    if (traceInstructions) { \
-        fprintf(stdout, "%d: %d,%ld (%u) ", iPtr->numLevels, \
-               stackTop, (tclObjsAlloced - tclObjsFreed), \
-               (unsigned int)(pc - codePtr->codeStart)); \
-        printf a; \
-        fflush(stdout); \
-    }
-#define TRACE_WITH_OBJ(a, objPtr) \
-    if (traceInstructions) { \
-        fprintf(stdout, "%d: %d,%ld (%u) ", iPtr->numLevels, \
-               stackTop, (tclObjsAlloced - tclObjsFreed), \
-               (unsigned int)(pc - codePtr->codeStart)); \
-        printf a; \
-        bytes = Tcl_GetStringFromObj((objPtr), &length); \
-        TclPrintSource(stdout, bytes, TclMin(length, 30)); \
-        fprintf(stdout, "\n"); \
-        fflush(stdout); \
-    }
-#else  /* not TCL_COMPILE_STATS */
-#define TRACE(a) \
-    if (traceInstructions) { \
-        fprintf(stdout, "%d: %d (%u) ", iPtr->numLevels, stackTop, \
-               (unsigned int)(pc - codePtr->codeStart)); \
-        printf a; \
-        fflush(stdout); \
-    }
-#define TRACE_WITH_OBJ(a, objPtr) \
-    if (traceInstructions) { \
-        fprintf(stdout, "%d: %d (%u) ", iPtr->numLevels, stackTop, \
-               (unsigned int)(pc - codePtr->codeStart)); \
-        printf a; \
-        bytes = Tcl_GetStringFromObj((objPtr), &length); \
-        TclPrintSource(stdout, bytes, TclMin(length, 30)); \
-        fprintf(stdout, "\n"); \
-        fflush(stdout); \
-    }
-#endif /* TCL_COMPILE_STATS */
-
-#else  /* not TCL_COMPILE_DEBUG */
-        
-#define TRACE(a)
-#define TRACE_WITH_OBJ(a, objPtr)
-#define O2S(objPtr)
-        
-#endif /* TCL_COMPILE_DEBUG */
 
 /*
@@ -274 +178 @@
 static int              ExprUnaryFunc _ANSI_ARGS_((Tcl_Interp *interp,
                             ExecEnv *eePtr, ClientData clientData));
-#ifdef TCL_COMPILE_STATS
-static int              EvalStatsCmd _ANSI_ARGS_((ClientData clientData,
-                            Tcl_Interp *interp, int argc, char **argv));
-#endif /* TCL_COMPILE_STATS */
 static void             FreeCmdNameInternalRep _ANSI_ARGS_((
                             Tcl_Obj *objPtr));
@@ -293 +193 @@
 static int              SetCmdNameFromAny _ANSI_ARGS_((Tcl_Interp *interp,
                             Tcl_Obj *objPtr));
-#ifdef TCL_COMPILE_DEBUG
-static char *           StringForResultCode _ANSI_ARGS_((int result));
-#endif /* TCL_COMPILE_DEBUG */
 static void             UpdateStringOfCmdName _ANSI_ARGS_((Tcl_Obj *objPtr));
-#ifdef TCL_COMPILE_DEBUG
-static void             ValidatePcAndStackTop _ANSI_ARGS_((
-                            ByteCode *codePtr, unsigned char *pc,
-                            int stackTop, int stackLowerBound,
-                            int stackUpperBound));
-#endif /* TCL_COMPILE_DEBUG */
 
 /*
@@ -368 +259 @@
  *
  * Side effects:
- *      This procedure initializes the array of instruction names. If
- *      compiling with the TCL_COMPILE_STATS flag, it initializes the
- *      array that counts the executions of each instruction and it
- *      creates the "evalstats" command. It also registers the command name
- *      Tcl_ObjType. It also establishes the link between the Tcl
- *      "tcl_traceExec" and C "tclTraceExec" variables.
+ *      This procedure initializes the array of instruction names.
  *
  *----------------------------------------------------------------------
@@ -391 +277 @@
     for (i = 0;  instructionTable[i].name != NULL;  i++) {
         opName[i] = instructionTable[i].name;
-    }
-
-#ifdef TCL_COMPILE_STATS    
-    (VOID *) memset(instructionCount, 0, sizeof(instructionCount));
-    (VOID *) memset(tclByteCodeCount, 0, sizeof(tclByteCodeCount));
-    (VOID *) memset(tclSourceCount, 0, sizeof(tclSourceCount));
-
-    Tcl_CreateCommand(interp, "evalstats", EvalStatsCmd,
-                      (ClientData) NULL, (Tcl_CmdDeleteProc *) NULL);
-#endif /* TCL_COMPILE_STATS */
-    
-    if (Tcl_LinkVar(interp, "tcl_traceExec", (char *) &tclTraceExec,
-                    TCL_LINK_INT) != TCL_OK) {
-        panic("InitByteCodeExecution: can't create link for tcl_traceExec variable");
     }
 }
@@ -598 +470 @@
                                  * process break, continue, and errors. */
     int result = TCL_OK;        /* Return code returned after execution. */
-    int traceInstructions = (tclTraceExec == 3);
     Tcl_Obj *valuePtr, *value2Ptr, *namePtr, *objPtr;
     char *bytes;
     int length;
     long i;
-    Tcl_DString command;        /* Used for debugging. If tclTraceExec >= 2
-                                 * holds a string representing the last
-                                 * command invoked. */
 
     /*
@@ -620 +488 @@
 
     /*
-     * THIS PROC FAILS IF AN OBJECT'S STRING REP HAS A NULL BYTE.
-     */
-
-    if (tclTraceExec >= 2) {
-        PrintByteCodeInfo(codePtr);
-#ifdef TCL_COMPILE_STATS
-        fprintf(stdout, "  Starting stack top=%d, system objects=%ld\n",
-                eePtr->stackTop, (tclObjsAlloced - tclObjsFreed));
-#else
-        fprintf(stdout, "  Starting stack top=%d\n", eePtr->stackTop);
-#endif /* TCL_COMPILE_STATS */
-        fflush(stdout);
-    }
-
-#ifdef TCL_COMPILE_STATS
-    numExecutions++;
-#endif /* TCL_COMPILE_STATS */
-
-    /*
      * Make sure the catch stack is large enough to hold the maximum number
      * of catch commands that could ever be executing at the same time. This
@@ -659 +508 @@
 
     /*
-     * Initialize the buffer that holds a string containing the name and
-     * arguments for the last invoked command.
-     */
-
-    Tcl_DStringInit(&command);
-
-    /*
      * Loop executing instructions until a "done" instruction, a TCL_RETURN,
      * or some error.
@@ -671 +513 @@
 
     for (;;) {
-#ifdef TCL_COMPILE_DEBUG
-        ValidatePcAndStackTop(codePtr, pc, stackTop, initStackTop,
-                eePtr->stackEnd);
-#else /* not TCL_COMPILE_DEBUG */
-        if (traceInstructions) {
-#ifdef TCL_COMPILE_STATS
-            fprintf(stdout, "%d: %d,%ld ", iPtr->numLevels, stackTop,
-                    (tclObjsAlloced - tclObjsFreed));
-#else /* TCL_COMPILE_STATS */
-            fprintf(stdout, "%d: %d ", iPtr->numLevels, stackTop);
-#endif /* TCL_COMPILE_STATS */
-            TclPrintInstruction(codePtr, pc);
-            fflush(stdout);
-        }
-#endif /* TCL_COMPILE_DEBUG */
-        
         opCode = *pc;
-#ifdef TCL_COMPILE_STATS    
-        instructionCount[opCode]++;
-#endif /* TCL_COMPILE_STATS */
 
         switch (opCode) {
@@ -710 +533 @@
                 panic("TclExecuteByteCode execution failure: end stack top != start stack top");
             }
-            TRACE_WITH_OBJ(("done => return code=%d, result is ", result),
-                    iPtr->objResultPtr);
             goto done;
             
@@ -717 +538 @@
             valuePtr = objArrayPtr[TclGetUInt1AtPtr(pc+1)];
             PUSH_OBJECT(valuePtr);
-            TRACE_WITH_OBJ(("push1 %u => ", TclGetUInt1AtPtr(pc+1)),
-                    valuePtr);
             ADJUST_PC(2);
             
@@ -724 +543 @@
             valuePtr = objArrayPtr[TclGetUInt4AtPtr(pc+1)];
             PUSH_OBJECT(valuePtr);
-            TRACE_WITH_OBJ(("push4 %u => ", TclGetUInt4AtPtr(pc+1)),
-                    valuePtr);
             ADJUST_PC(5);
             
         case INST_POP:
             valuePtr = POP_OBJECT();
-            TRACE_WITH_OBJ(("pop => discarding "), valuePtr);
             TclDecrRefCount(valuePtr); /* finished with pop'ed object. */
             ADJUST_PC(1);
@@ -737 +553 @@
             valuePtr = stackPtr[stackTop].o;
             PUSH_OBJECT(Tcl_DuplicateObj(valuePtr));
-            TRACE_WITH_OBJ(("dup => "), valuePtr);
             ADJUST_PC(1);
 
@@ -790 +605 @@
                 
                 PUSH_OBJECT(concatObjPtr);
-                TRACE_WITH_OBJ(("concat %u => ", opnd), concatObjPtr);
                 ADJUST_PC(2);
             }
@@ -815 +629 @@
                                     * Init. to avoid compiler warning. */
                 Tcl_Command cmd;
-#ifdef TCL_COMPILE_DEBUG
-                int isUnknownCmd = 0;
-                char cmdNameBuf[30];
-#endif /* TCL_COMPILE_DEBUG */
                 
                 /*
@@ -867 +677 @@
                                 "invalid command name \"", cmdName, "\"",
                                 (char *) NULL);
-                        TRACE(("%s %u => unknown proc not found: ",
-                               opName[opCode], objc));
                         result = TCL_ERROR;
                         goto checkForCatch;
                     }
                     cmdPtr = (Command *) cmd;
-#ifdef TCL_COMPILE_DEBUG
-                    isUnknownCmd = 1;
-#endif /*TCL_COMPILE_DEBUG*/                    
                     stackTop++; /* need room for new inserted objv[0] */
                     for (i = objc;  i >= 0;  i--) {
@@ -918 +723 @@
                 Tcl_ResetResult(interp);
 
-                if (tclTraceExec >= 2) {
-                    char buffer[50];
-
-                    sprintf(buffer, "%d: (%u) invoking ", iPtr->numLevels,
-                            (unsigned int)(pc - codePtr->codeStart));
-                    Tcl_DStringAppend(&command, buffer, -1);
-                    
-#ifdef TCL_COMPILE_DEBUG
-                    if (traceInstructions) { /* tclTraceExec == 3 */
-                        strncpy(cmdNameBuf, cmdName, 20);
-                        TRACE(("%s %u => call ", opName[opCode],
-                               (isUnknownCmd? objc-1 : objc)));
-                    } else {
-                        fprintf(stdout, "%s", buffer);
-                    }
-#else /* TCL_COMPILE_DEBUG */
-                    fprintf(stdout, "%s", buffer);
-#endif /*TCL_COMPILE_DEBUG*/
-
-                    for (i = 0;  i < objc;  i++) {
-                        bytes = TclGetStringFromObj(objv[i], &length);
-                        TclPrintSource(stdout, bytes, TclMin(length, 15));
-                        fprintf(stdout, " ");
-
-                        sprintf(buffer, "\"%.*s\" ", TclMin(length, 15), bytes);
-                        Tcl_DStringAppend(&command, buffer, -1);
-                    }
-                    fprintf(stdout, "\n");
-                    fflush(stdout);
-
-                    Tcl_DStringFree(&command);
-                }
-
                 iPtr->cmdCount++;
                 DECACHE_STACK_INFO();
@@ -996 +768 @@
                      */
                     PUSH_OBJECT(Tcl_GetObjResult(interp));
-                    TRACE_WITH_OBJ(("%s %u => ...after \"%.20s\", result=",
-                            opName[opCode], objc, cmdNameBuf),
-                            Tcl_GetObjResult(interp));
                     ADJUST_PC(pcAdjustment);
                     
@@ -1015 +784 @@
                             /*catchOnly*/ 0, codePtr);
                     if (rangePtr == NULL) {
-                        TRACE(("%s %u => ... after \"%.20s\", no encl. loop or catch, returning %s\n",
-                                opName[opCode], objc, cmdNameBuf,
-                                StringForResultCode(result)));
                         goto abnormalReturn; /* no catch exists to check */
                     }
@@ -1025 +791 @@
                             newPcOffset = rangePtr->breakOffset;
                         } else if (rangePtr->continueOffset == -1) {
-                            TRACE(("%s %u => ... after \"%.20s\", %s, loop w/o continue, checking for catch\n",
-                                   opName[opCode], objc, cmdNameBuf,
-                                   StringForResultCode(result)));
                             goto checkForCatch;
                         } else {
                             newPcOffset = rangePtr->continueOffset;
                         }
-                        TRACE(("%s %u => ... after \"%.20s\", %s, range at %d, new pc %d\n",
-                               opName[opCode], objc, cmdNameBuf,
-                               StringForResultCode(result),
-                               rangePtr->codeOffset, newPcOffset));
                         break;
                     case CATCH_EXCEPTION_RANGE:
-                        TRACE(("%s %u => ... after \"%.20s\", %s...\n",
-                               opName[opCode], objc, cmdNameBuf,
-                               StringForResultCode(result)));
                         goto processCatch; /* it will use rangePtr */
                     default:
@@ -1054 +810 @@
                      * enclosing catch exception range, if any.
                      */
-                    TRACE_WITH_OBJ(("%s %u => ... after \"%.20s\", TCL_ERROR ",
-                            opName[opCode], objc, cmdNameBuf),
-                            Tcl_GetObjResult(interp));
                     goto checkForCatch;
 
@@ -1065 +818 @@
                      * for an enclosing catch exception range, if any.
                      */
-                    TRACE(("%s %u => ... after \"%.20s\", TCL_RETURN\n",
-                            opName[opCode], objc, cmdNameBuf));
                     goto checkForCatch;
 
                 default:
-                    TRACE_WITH_OBJ(("%s %u => ... after \"%.20s\", OTHER RETURN CODE %d ",
-                            opName[opCode], objc, cmdNameBuf, result),
-                            Tcl_GetObjResult(interp));
                     goto checkForCatch;
                 } /* end of switch on result from invoke instruction */
@@ -1088 +836 @@
                 
                 PUSH_OBJECT(Tcl_GetObjResult(interp));
-                TRACE_WITH_OBJ(("evalStk \"%.30s\" => ", O2S(objPtr)),
-                        Tcl_GetObjResult(interp));
                 TclDecrRefCount(objPtr);
                 ADJUST_PC(1);
@@ -1109 +855 @@
                         codePtr);
                 if (rangePtr == NULL) {
-                    TRACE(("evalStk \"%.30s\" => no encl. loop or catch, returning %s\n",
-                            O2S(objPtr), StringForResultCode(result)));
                     Tcl_DecrRefCount(objPtr);
                     goto abnormalReturn;    /* no catch exists to check */
@@ -1119 +863 @@
                         newPcOffset = rangePtr->breakOffset;
                     } else if (rangePtr->continueOffset == -1) {
-                        TRACE(("evalStk \"%.30s\" => %s, loop w/o continue, checking for catch\n",
-                               O2S(objPtr), StringForResultCode(result)));
                         Tcl_DecrRefCount(objPtr);
                         goto checkForCatch;
@@ -1127 +869 @@
                     }
                     result = TCL_OK;
-                    TRACE_WITH_OBJ(("evalStk \"%.30s\" => %s, range at %d, new pc %d ",
-                            O2S(objPtr), StringForResultCode(result),
-                            rangePtr->codeOffset, newPcOffset), valuePtr);
                     break;
                 case CATCH_EXCEPTION_RANGE:
-                    TRACE_WITH_OBJ(("evalStk \"%.30s\" => %s ",
-                            O2S(objPtr), StringForResultCode(result)),
-                            valuePtr);
                     Tcl_DecrRefCount(objPtr);
                     goto processCatch;  /* it will use rangePtr */
@@ -1144 +880 @@
                 continue;       /* restart outer instruction loop at pc */
             } else { /* eval returned TCL_ERROR, TCL_RETURN, unknown code */
-                TRACE_WITH_OBJ(("evalStk \"%.30s\" => ERROR: ", O2S(objPtr)),
-                        Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(objPtr);
                 goto checkForCatch;
@@ -1157 +891 @@
             CACHE_STACK_INFO();
             if (result != TCL_OK) {
-                TRACE_WITH_OBJ(("exprStk \"%.30s\" => ERROR: ", 
-                        O2S(objPtr)), Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(objPtr);
                 goto checkForCatch;
             }
             stackPtr[++stackTop].o = valuePtr; /* already has right refct */
-            TRACE_WITH_OBJ(("exprStk \"%.30s\" => ", O2S(objPtr)), valuePtr);
             TclDecrRefCount(objPtr);
             ADJUST_PC(1);
@@ -1182 +913 @@
             CACHE_STACK_INFO();
             if (valuePtr == NULL) {
-                TRACE_WITH_OBJ(("%s %u => ERROR: ", opName[opCode], opnd),
-                        Tcl_GetObjResult(interp));
                 result = TCL_ERROR;
                 goto checkForCatch;
             }
             PUSH_OBJECT(valuePtr);
-            TRACE_WITH_OBJ(("%s %u => ", opName[opCode], opnd), valuePtr);
             ADJUST_PC(pcAdjustment);
 
@@ -1198 +926 @@
             CACHE_STACK_INFO();
             if (valuePtr == NULL) {
-                TRACE_WITH_OBJ(("loadScalarStk \"%.30s\" => ERROR: ",
-                        O2S(namePtr)), Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(namePtr);
                 result = TCL_ERROR;
@@ -1205 +931 @@
             }
             PUSH_OBJECT(valuePtr);
-            TRACE_WITH_OBJ(("loadScalarStk \"%.30s\" => ",
-                    O2S(namePtr)), valuePtr);
             TclDecrRefCount(namePtr);
             ADJUST_PC(1);
@@ -1228 +952 @@
                 CACHE_STACK_INFO();
                 if (valuePtr == NULL) {
-                    TRACE_WITH_OBJ(("%s %u \"%.30s\" => ERROR: ",
-                            opName[opCode], opnd, O2S(elemPtr)),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(elemPtr);
                     result = TCL_ERROR;
@@ -1236 +957 @@
                 }
                 PUSH_OBJECT(valuePtr);
-                TRACE_WITH_OBJ(("%s %u \"%.30s\" => ",
-                        opName[opCode], opnd, O2S(elemPtr)), valuePtr);
                 TclDecrRefCount(elemPtr);
             }
@@ -1252 +971 @@
                 CACHE_STACK_INFO();
                 if (valuePtr == NULL) {
-                    TRACE_WITH_OBJ(("loadArrayStk \"%.30s(%.30s)\" => ERROR: ",
-                            O2S(namePtr), O2S(elemPtr)),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(namePtr);
                     Tcl_DecrRefCount(elemPtr);
@@ -1261 +977 @@
                 }
                 PUSH_OBJECT(valuePtr);
-                TRACE_WITH_OBJ(("loadArrayStk \"%.30s(%.30s)\" => ",
-                        O2S(namePtr), O2S(elemPtr)), valuePtr);
                 TclDecrRefCount(namePtr);
                 TclDecrRefCount(elemPtr);
@@ -1275 +989 @@
             CACHE_STACK_INFO();
             if (valuePtr == NULL) {
-                TRACE_WITH_OBJ(("loadStk \"%.30s\" => ERROR: ",
-                        O2S(namePtr)), Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(namePtr);
                 result = TCL_ERROR;
@@ -1282 +994 @@
             }
             PUSH_OBJECT(valuePtr);
-            TRACE_WITH_OBJ(("loadStk \"%.30s\" => ", O2S(namePtr)),
-                    valuePtr);
             TclDecrRefCount(namePtr);
             ADJUST_PC(1);
@@ -1303 +1013 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(("%s %u <- \"%.30s\" => ERROR: ",
-                        opName[opCode], opnd, O2S(valuePtr)),
-                        Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(valuePtr);
                 result = TCL_ERROR;
@@ -1311 +1018 @@
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(("%s %u <- \"%.30s\" => ",
-                    opName[opCode], opnd, O2S(valuePtr)), value2Ptr);
             TclDecrRefCount(valuePtr);
             ADJUST_PC(pcAdjustment);
@@ -1324 +1029 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(
-                        ("storeScalarStk \"%.30s\" <- \"%.30s\" => ERROR: ",
-                        O2S(namePtr), O2S(valuePtr)),
-                        Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(namePtr);
                 Tcl_DecrRefCount(valuePtr);
@@ -1334 +1035 @@
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(
-                    ("storeScalarStk \"%.30s\" <- \"%.30s\" => ",
-                    O2S(namePtr),
-                    O2S(valuePtr)),
-                    value2Ptr);
             TclDecrRefCount(namePtr);
             TclDecrRefCount(valuePtr);
@@ -1363 +1059 @@
                 CACHE_STACK_INFO();
                 if (value2Ptr == NULL) {
-                    TRACE_WITH_OBJ(
-                            ("%s %u \"%.30s\" <- \"%.30s\" => ERROR: ",
-                            opName[opCode], opnd, O2S(elemPtr),
-                            O2S(valuePtr)), Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(elemPtr);
                     Tcl_DecrRefCount(valuePtr);
@@ -1373 +1065 @@
                 }
                 PUSH_OBJECT(value2Ptr);
-                TRACE_WITH_OBJ(("%s %u \"%.30s\" <- \"%.30s\" => ",
-                        opName[opCode], opnd, O2S(elemPtr), O2S(valuePtr)),
-                        value2Ptr);
                 TclDecrRefCount(elemPtr);
                 TclDecrRefCount(valuePtr);
@@ -1393 +1082 @@
                 CACHE_STACK_INFO();
                 if (value2Ptr == NULL) {
-                    TRACE_WITH_OBJ(("storeArrayStk \"%.30s(%.30s)\" <- \"%.30s\" => ERROR: ",
-                            O2S(namePtr), O2S(elemPtr), O2S(valuePtr)),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(namePtr);
                     Tcl_DecrRefCount(elemPtr);
@@ -1403 +1089 @@
                 }
                 PUSH_OBJECT(value2Ptr);
-                TRACE_WITH_OBJ(("storeArrayStk \"%.30s(%.30s)\" <- \"%.30s\" => ",
-                        O2S(namePtr), O2S(elemPtr), O2S(valuePtr)),
-                        value2Ptr);
                 TclDecrRefCount(namePtr);
                 TclDecrRefCount(elemPtr);
@@ -1420 +1103 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(("storeStk \"%.30s\" <- \"%.30s\" => ERROR: ",
-                        O2S(namePtr), O2S(valuePtr)),
-                        Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(namePtr);
                 Tcl_DecrRefCount(valuePtr);
@@ -1429 +1109 @@
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(("storeStk \"%.30s\" <- \"%.30s\" => ",
-                    O2S(namePtr), O2S(valuePtr)), value2Ptr);
             TclDecrRefCount(namePtr);
             TclDecrRefCount(valuePtr);
@@ -1441 +1119 @@
                 result = tclIntType.setFromAnyProc(interp, valuePtr);
                 if (result != TCL_OK) {
-                    TRACE_WITH_OBJ(("incrScalar1 %u (by %s) => ERROR converting increment amount to int: ",
-                            opnd, O2S(valuePtr)), Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(valuePtr);
                     goto checkForCatch;
@@ -1452 +1128 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(("incrScalar1 %u (by %ld) => ERROR: ",
-                        opnd, i), Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(valuePtr);
                 result = TCL_ERROR;
@@ -1459 +1133 @@
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(("incrScalar1 %u (by %ld) => ", opnd, i),
-                    value2Ptr);
             TclDecrRefCount(valuePtr);
             ADJUST_PC(2);
@@ -1471 +1143 @@
                 result = tclIntType.setFromAnyProc(interp, valuePtr);
                 if (result != TCL_OK) {
-                    TRACE_WITH_OBJ(("%s \"%.30s\" (by %s) => ERROR converting increment amount to int: ",
-                            opName[opCode], O2S(namePtr), O2S(valuePtr)),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(namePtr);
                     Tcl_DecrRefCount(valuePtr);
@@ -1485 +1154 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(("%s \"%.30s\" (by %ld) => ERROR: ",
-                        opName[opCode], O2S(namePtr), i),
-                        Tcl_GetObjResult(interp));
                 Tcl_DecrRefCount(namePtr);
                 Tcl_DecrRefCount(valuePtr);
@@ -1494 +1160 @@
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(("%s \"%.30s\" (by %ld) => ",
-                    opName[opCode], O2S(namePtr), i), value2Ptr);
             Tcl_DecrRefCount(namePtr);
             Tcl_DecrRefCount(valuePtr);
@@ -1510 +1174 @@
                     result = tclIntType.setFromAnyProc(interp, valuePtr);
                     if (result != TCL_OK) {
-                        TRACE_WITH_OBJ(("incrArray1 %u \"%.30s\" (by %s) => ERROR converting increment amount to int: ",
-                                opnd, O2S(elemPtr), O2S(valuePtr)),
-                                Tcl_GetObjResult(interp));
                         Tcl_DecrRefCount(elemPtr);
                         Tcl_DecrRefCount(valuePtr);
@@ -1524 +1185 @@
                 CACHE_STACK_INFO();
                 if (value2Ptr == NULL) {
-                    TRACE_WITH_OBJ(("incrArray1 %u \"%.30s\" (by %ld) => ERROR: ",
-                            opnd, O2S(elemPtr), i),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(elemPtr);
                     Tcl_DecrRefCount(valuePtr);
@@ -1533 +1191 @@
                 }
                 PUSH_OBJECT(value2Ptr);
-                TRACE_WITH_OBJ(("incrArray1 %u \"%.30s\" (by %ld) => ",
-                        opnd, O2S(elemPtr), i), value2Ptr);
                 Tcl_DecrRefCount(elemPtr);
                 Tcl_DecrRefCount(valuePtr);
@@ -1550 +1206 @@
                     result = tclIntType.setFromAnyProc(interp, valuePtr);
                     if (result != TCL_OK) {
-                        TRACE_WITH_OBJ(("incrArrayStk \"%.30s(%.30s)\" (by %s) => ERROR converting increment amount to int: ",
-                                O2S(namePtr), O2S(elemPtr), O2S(valuePtr)),
-                                Tcl_GetObjResult(interp));
                         Tcl_DecrRefCount(namePtr);
                         Tcl_DecrRefCount(elemPtr);
@@ -1565 +1218 @@
                 CACHE_STACK_INFO();
                 if (value2Ptr == NULL) {
-                    TRACE_WITH_OBJ(("incrArrayStk \"%.30s(%.30s)\" (by %ld) => ERROR: ",
-                            O2S(namePtr), O2S(elemPtr), i),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(namePtr);
                     Tcl_DecrRefCount(elemPtr);
@@ -1575 +1225 @@
                 }
                 PUSH_OBJECT(value2Ptr);
-                TRACE_WITH_OBJ(("incrArrayStk \"%.30s(%.30s)\" (by %ld) => ",
-                        O2S(namePtr), O2S(elemPtr), i), value2Ptr);
                 Tcl_DecrRefCount(namePtr);
                 Tcl_DecrRefCount(elemPtr);
@@ -1590 +1238 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(("incrScalar1Imm %u %ld => ERROR: ",
-                        opnd, i), Tcl_GetObjResult(interp));
                 result = TCL_ERROR;
                 goto checkForCatch;
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(("incrScalar1Imm %u %ld => ", opnd, i),
-                    value2Ptr);
             ADJUST_PC(3);
 
@@ -1609 +1253 @@
             CACHE_STACK_INFO();
             if (value2Ptr == NULL) {
-                TRACE_WITH_OBJ(("%s \"%.30s\" %ld => ERROR: ",
-                        opName[opCode], O2S(namePtr), i),
-                        Tcl_GetObjResult(interp));
                 result = TCL_ERROR;
                 Tcl_DecrRefCount(namePtr);
@@ -1617 +1258 @@
             }
             PUSH_OBJECT(value2Ptr);
-            TRACE_WITH_OBJ(("%s \"%.30s\" %ld => ",
-                    opName[opCode], O2S(namePtr), i), value2Ptr);
             TclDecrRefCount(namePtr);
             ADJUST_PC(2);
@@ -1634 +1273 @@
                 CACHE_STACK_INFO();
                 if (value2Ptr == NULL) {
-                    TRACE_WITH_OBJ(("incrArray1Imm %u \"%.30s\" (by %ld) => ERROR: ",
-                            opnd, O2S(elemPtr), i),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(elemPtr);
                     result = TCL_ERROR;
@@ -1642 +1278 @@
                 }
                 PUSH_OBJECT(value2Ptr);
-                TRACE_WITH_OBJ(("incrArray1Imm %u \"%.30s\" (by %ld) => ",
-                        opnd, O2S(elemPtr), i), value2Ptr);
                 Tcl_DecrRefCount(elemPtr);
             }
@@ -1660 +1294 @@
                 CACHE_STACK_INFO();
                 if (value2Ptr == NULL) {
-                    TRACE_WITH_OBJ(("incrArrayStkImm \"%.30s(%.30s)\" (by %ld) => ERROR: ",
-                            O2S(namePtr), O2S(elemPtr), i),
-                            Tcl_GetObjResult(interp));
                     Tcl_DecrRefCount(namePtr);
                     Tcl_DecrRefCount(elemPtr);
@@ -1669 +1300 @@
                 }
                 PUSH_OBJECT(value2Ptr);
-                TRACE_WITH_OBJ(("incrArrayStkImm \"%.30s(%.30s)\" (by %ld) => ",
-                        O2S(namePtr), O2S(elemPtr), i), value2Ptr);
                 Tcl_DecrRefCount(namePtr);
                 Tcl_DecrRefCount(elemPtr);
@@ -1678 +1307 @@
         case INST_JUMP1:
             opnd = TclGetInt1AtPtr(pc+1);
-            TRACE(("jump1 %d => new pc %u\n", opnd,
-                   (unsigned int)(pc + opnd - codePtr->codeStart)));
             ADJUST_PC(opnd);
 
         case INST_JUMP4:
             opnd = TclGetInt4AtPtr(pc+1);
-            TRACE(("jump4 %d => new pc %u\n", opnd,
-                   (unsigned int)(pc + opnd - codePtr->codeStart)));
             ADJUST_PC(opnd);
 
@@ -1709 +1334 @@
                     result = Tcl_GetBooleanFromObj(interp, valuePtr, &b);
                     if (result != TCL_OK) {
-                        TRACE_WITH_OBJ(("%s %d => ERROR: ", opName[opCode],
-                                opnd), Tcl_GetObjResult(interp));
                         Tcl_DecrRefCount(valuePtr);
                         goto checkForCatch;
@@ -1716 +1339 @@
                 }
                 if (b) {
-                    TRACE(("%s %d => %.20s true, new pc %u\n",
-                            opName[opCode], opnd, O2S(valuePtr),
-                            (unsigned int)(pc+opnd - codePtr->codeStart)));
                     TclDecrRefCount(valuePtr);
                     ADJUST_PC(opnd);
                 } else {
-                    TRACE(("%s %d => %.20s false\n", opName[opCode], opnd,
-                            O2S(valuePtr)));
                     TclDecrRefCount(valuePtr);
                     ADJUST_PC(pcAdjustment);
@@ -1750 +1368 @@
                     result = Tcl_GetBooleanFromObj(interp, valuePtr, &b);
                     if (result != TCL_OK) {
-                        TRACE_WITH_OBJ(("%s %d => ERROR: ", opName[opCode],
-                                opnd), Tcl_GetObjResult(interp));
                         Tcl_DecrRefCount(valuePtr);
                         goto checkForCatch;
@@ -1757 +1373 @@
                 }
                 if (b) {
-                    TRACE(("%s %d => %.20s true\n", opName[opCode], opnd,
-                            O2S(valuePtr)));
                     TclDecrRefCount(valuePtr);
                     ADJUST_PC(pcAdjustment);
                 } else {
-                    TRACE(("%s %d => %.20s false, new pc %u\n",
-                            opName[opCode], opnd, O2S(valuePtr),
-                           (unsigned int)(pc + opnd - codePtr->codeStart)));
                     TclDecrRefCount(valuePtr);
                     ADJUST_PC(opnd);
@@ -1804 +1415 @@
                     }
                     if (result != TCL_OK) {
-                        TRACE(("%s \"%.20s\" => ILLEGAL TYPE %s \n",
-                                opName[opCode], O2S(valuePtr),
-                                (t1Ptr? t1Ptr->name : "null")));
                         IllegalExprOperandType(interp, opCode, valuePtr);
                         Tcl_DecrRefCount(valuePtr);
@@ -1830 +1438 @@
                     }
                     if (result != TCL_OK) {
-                        TRACE(("%s \"%.20s\" => ILLEGAL TYPE %s \n",
-                                opName[opCode], O2S(value2Ptr),
-                                (t2Ptr? t2Ptr->name : "null")));
                         IllegalExprOperandType(interp, opCode, value2Ptr);
                         Tcl_DecrRefCount(valuePtr);
@@ -1851 +1456 @@
                 if (Tcl_IsShared(valuePtr)) {
                     PUSH_OBJECT(Tcl_NewLongObj(iResult));
-                    TRACE(("%s %.20s %.20s => %d\n", opName[opCode],
-                           O2S(valuePtr), O2S(value2Ptr), iResult));
                     TclDecrRefCount(valuePtr);
                 } else {        /* reuse the valuePtr object */
-                    TRACE(("%s %.20s %.20s => %d\n", 
-                           opName[opCode], /* NB: stack top is off by 1 */
-                           O2S(valuePtr), O2S(value2Ptr), iResult));
                     Tcl_SetLongObj(valuePtr, iResult);
                     ++stackTop; /* valuePtr now on stk top has right r.c. */
@@ -2013 +1613 @@
                 if (Tcl_IsShared(valuePtr)) {
                     PUSH_OBJECT(Tcl_NewLongObj(iResult));
-                    TRACE(("%s %.20s %.20s => %ld\n", opName[opCode],
-                        O2S(valuePtr), O2S(value2Ptr), iResult));
                     TclDecrRefCount(valuePtr);
                 } else {        /* reuse the valuePtr object */
-                    TRACE(("%s %.20s %.20s => %ld\n",
-                        opName[opCode], /* NB: stack top is off by 1 */
-                        O2S(valuePtr), O2S(value2Ptr), iResult));
                     Tcl_SetLongObj(valuePtr, iResult);
                     ++stackTop; /* valuePtr now on stk top has right r.c. */
@@ -2049 +1644 @@
                             valuePtr, &i);
                     if (result != TCL_OK) {
-                        TRACE(("%s %.20s %.20s => ILLEGAL 1st TYPE %s\n",
-                              opName[opCode], O2S(valuePtr), O2S(value2Ptr),
-                              (valuePtr->typePtr?
-                                   valuePtr->typePtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, valuePtr);
                         Tcl_DecrRefCount(valuePtr);
@@ -2065 +1656 @@
                             value2Ptr, &i2);
                     if (result != TCL_OK) {
-                        TRACE(("%s %.20s %.20s => ILLEGAL 2nd TYPE %s\n",
-                              opName[opCode], O2S(valuePtr), O2S(value2Ptr),
-                              (value2Ptr->typePtr?
-                                   value2Ptr->typePtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, value2Ptr);
                         Tcl_DecrRefCount(valuePtr);
@@ -2085 +1672 @@
                      */
                     if (i2 == 0) {
-                        TRACE(("mod %ld %ld => DIVIDE BY ZERO\n", i, i2));
                         Tcl_DecrRefCount(valuePtr);
                         Tcl_DecrRefCount(value2Ptr);
@@ -2137 +1723 @@
                 if (Tcl_IsShared(valuePtr)) {
                     PUSH_OBJECT(Tcl_NewLongObj(iResult));
-                    TRACE(("%s %ld %ld => %ld\n", opName[opCode], i, i2,
-                           iResult));
                     TclDecrRefCount(valuePtr);
                 } else {        /* reuse the valuePtr object */
-                    TRACE(("%s %ld %ld => %ld\n", opName[opCode], i, i2,
-                        iResult)); /* NB: stack top is off by 1 */
                     Tcl_SetLongObj(valuePtr, iResult);
                     ++stackTop; /* valuePtr now on stk top has right r.c. */
@@ -2186 +1768 @@
                     }
                     if (result != TCL_OK) {
-                        TRACE(("%s %.20s %.20s => ILLEGAL 1st TYPE %s\n",
-                               opName[opCode], s, O2S(value2Ptr),
-                               (valuePtr->typePtr?
-                                    valuePtr->typePtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, valuePtr);
                         Tcl_DecrRefCount(valuePtr);
@@ -2212 +1790 @@
                     }
                     if (result != TCL_OK) {
-                        TRACE(("%s %.20s %.20s => ILLEGAL 2nd TYPE %s\n",
-                               opName[opCode], O2S(valuePtr), s,
-                               (value2Ptr->typePtr?
-                                    value2Ptr->typePtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, value2Ptr);
                         Tcl_DecrRefCount(valuePtr);
@@ -2246 +1820 @@
                     case INST_DIV:
                         if (d2 == 0.0) {
-                            TRACE(("div %.6g %.6g => DIVIDE BY ZERO\n",
-                                   d1, d2));
                             Tcl_DecrRefCount(valuePtr);
                             Tcl_DecrRefCount(value2Ptr);
@@ -2261 +1833 @@
                     
                     if (IS_NAN(dResult) || IS_INF(dResult)) {
-                        TRACE(("%s %.20s %.20s => IEEE FLOATING PT ERROR\n",
-                               opName[opCode], O2S(valuePtr), O2S(value2Ptr)));
                         TclExprFloatError(interp, dResult);
                         result = TCL_ERROR;
@@ -2291 +1861 @@
                          */
                         if (i2 == 0) {
-                            TRACE(("div %ld %ld => DIVIDE BY ZERO\n",
-                                    i, i2));
                             Tcl_DecrRefCount(valuePtr);
                             Tcl_DecrRefCount(value2Ptr);
@@ -2318 +1886 @@
                     if (doDouble) {
                         PUSH_OBJECT(Tcl_NewDoubleObj(dResult));
-                        TRACE(("%s %.6g %.6g => %.6g\n", opName[opCode],
-                               d1, d2, dResult));
                     } else {
                         PUSH_OBJECT(Tcl_NewLongObj(iResult));
-                        TRACE(("%s %ld %ld => %ld\n", opName[opCode],
-                               i, i2, iResult));
                     } 
                     TclDecrRefCount(valuePtr);
                 } else {            /* reuse the valuePtr object */
                     if (doDouble) { /* NB: stack top is off by 1 */
-                        TRACE(("%s %.6g %.6g => %.6g\n", opName[opCode],
-                               d1, d2, dResult));
                         Tcl_SetDoubleObj(valuePtr, dResult);
                     } else {
-                        TRACE(("%s %ld %ld => %ld\n", opName[opCode],
-                               i, i2, iResult));
                         Tcl_SetLongObj(valuePtr, iResult);
                     }
@@ -2363 +1923 @@
                     }
                     if (result != TCL_OK) { 
-                        TRACE(("%s \"%.20s\" => ILLEGAL TYPE %s \n",
-                                opName[opCode], s,
-                                (tPtr? tPtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, valuePtr);
                         goto checkForCatch;
                     }
                 }
-                TRACE_WITH_OBJ(("uplus %s => ", O2S(valuePtr)), valuePtr);
             }
             ADJUST_PC(1);
@@ -2399 +1955 @@
                     }
                     if (result != TCL_OK) {
-                        TRACE(("%s \"%.20s\" => ILLEGAL TYPE %s\n",
-                                opName[opCode], s,
-                               (tPtr? tPtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, valuePtr);
                         Tcl_DecrRefCount(valuePtr);
@@ -2417 +1970 @@
                         objPtr = Tcl_NewLongObj(
                                 (opCode == INST_UMINUS)? -i : !i);
-                        TRACE_WITH_OBJ(("%s %ld => ", opName[opCode], i),
-                                objPtr); /* NB: stack top is off by 1 */
                     } else {
                         d = valuePtr->internalRep.doubleValue;
@@ -2430 +1981 @@
                             objPtr = Tcl_NewLongObj((d==0.0)? 1 : 0);
                         }
-                        TRACE_WITH_OBJ(("%s %.6g => ", opName[opCode], d),
-                                objPtr); /* NB: stack top is off by 1 */
                     }
                     PUSH_OBJECT(objPtr);
@@ -2443 +1992 @@
                         Tcl_SetLongObj(valuePtr,
                                 (opCode == INST_UMINUS)? -i : !i);
-                        TRACE_WITH_OBJ(("%s %ld => ", opName[opCode], i),
-                                valuePtr); /* NB: stack top is off by 1 */
                     } else {
                         d = valuePtr->internalRep.doubleValue;
@@ -2456 +2003 @@
                             Tcl_SetLongObj(valuePtr, (d==0.0)? 1 : 0);
                         }
-                        TRACE_WITH_OBJ(("%s %.6g => ", opName[opCode], d),
-                                valuePtr); /* NB: stack top is off by 1 */
                     }
                     ++stackTop; /* valuePtr now on stk top has right r.c. */
@@ -2481 +2026 @@
                             valuePtr, &i);
                     if (result != TCL_OK) {   /* try to convert to double */
-                        TRACE(("bitnot \"%.20s\" => ILLEGAL TYPE %s\n",
-                               O2S(valuePtr), (tPtr? tPtr->name : "null")));
                         IllegalExprOperandType(interp, opCode, valuePtr);
                         Tcl_DecrRefCount(valuePtr);
@@ -2492 +2035 @@
                 if (Tcl_IsShared(valuePtr)) {
                     PUSH_OBJECT(Tcl_NewLongObj(~i));
-                    TRACE(("bitnot 0x%lx => (%lu)\n", i, ~i));
                     TclDecrRefCount(valuePtr);
                 } else {
@@ -2500 +2042 @@
                     Tcl_SetLongObj(valuePtr, ~i);
                     ++stackTop; /* valuePtr now on stk top has right r.c. */
-                    TRACE(("bitnot 0x%lx => (%lu)\n", i, ~i));
                 }
             }
@@ -2515 +2056 @@
 
                 if ((opnd < 0) || (opnd > LAST_BUILTIN_FUNC)) {
-                    TRACE(("UNRECOGNIZED BUILTIN FUNC CODE %d\n", opnd));
                     panic("TclExecuteByteCode: unrecognized builtin function code %d", opnd);
                 }
@@ -2528 +2068 @@
                     goto checkForCatch;
                 }
-                TRACE_WITH_OBJ(("callBuiltinFunc1 %d => ", opnd),
-                        stackPtr[stackTop].o);
             }
             ADJUST_PC(2);
@@ -2555 +2093 @@
                     goto checkForCatch;
                 }
-                TRACE_WITH_OBJ(("callFunc1 %d => ", objc),
-                        stackPtr[stackTop].o);
                 ADJUST_PC(2);
             }
@@ -2627 +2163 @@
                         d = valuePtr->internalRep.doubleValue;
                         if (IS_NAN(d) || IS_INF(d)) {
-                            TRACE(("tryCvtToNumeric \"%.20s\" => IEEE FLOATING PT ERROR\n",
-                                   O2S(valuePtr)));
                             TclExprFloatError(interp, d);
                             result = TCL_ERROR;
@@ -2636 +2170 @@
                     shared = shared;            /* lint, shared not used. */
                     converted = converted;      /* lint, converted not used. */
-                    TRACE(("tryCvtToNumeric \"%.20s\" => numeric, %s, %s\n",
-                           O2S(valuePtr),
-                           (converted? "converted" : "not converted"),
-                           (shared? "shared" : "not shared")));
-                } else {
-                    TRACE(("tryCvtToNumeric \"%.20s\" => not numeric\n",
-                           O2S(valuePtr)));
                 }
             }
@@ -2660 +2187 @@
                     codePtr);
             if (rangePtr == NULL) {
-                TRACE(("break => no encl. loop or catch, returning TCL_BREAK\n"));
                 result = TCL_BREAK;
                 goto abnormalReturn; /* no catch exists to check */
@@ -2667 +2193 @@
             case LOOP_EXCEPTION_RANGE:
                 result = TCL_OK;
-                TRACE(("break => range at %d, new pc %d\n",
-                       rangePtr->codeOffset, rangePtr->breakOffset));
                 break;
             case CATCH_EXCEPTION_RANGE:
                 result = TCL_BREAK;
-                TRACE(("break => ...\n"));
                 goto processCatch; /* it will use rangePtr */
             default:
@@ -2693 +2216 @@
                     codePtr);
             if (rangePtr == NULL) {
-                TRACE(("continue => no encl. loop or catch, returning TCL_CONTINUE\n"));
                 result = TCL_CONTINUE;
                 goto abnormalReturn;
@@ -2700 +2222 @@
             case LOOP_EXCEPTION_RANGE:
                 if (rangePtr->continueOffset == -1) {
-                    TRACE(("continue => loop w/o continue, checking for catch\n"));
                     goto checkForCatch;
                 } else {
                     result = TCL_OK;
-                    TRACE(("continue => range at %d, new pc %d\n",
-                           rangePtr->codeOffset, rangePtr->continueOffset));
                 }
                 break;
             case CATCH_EXCEPTION_RANGE:
                 result = TCL_CONTINUE;
-                TRACE(("continue => ...\n"));
                 goto processCatch; /* it will use rangePtr */
             default:
@@ -2744 +2262 @@
                 TclSetVarScalar(iterVarPtr);
                 TclClearVarUndefined(iterVarPtr);
-                TRACE(("foreach_start4 %u => loop iter count temp %d\n", 
-                        opnd, iterTmpIndex));
             }
             ADJUST_PC(5);
@@ -2794 +2310 @@
                     result = Tcl_ListObjLength(interp, listPtr, &listLen);
                     if (result != TCL_OK) {
-                        TRACE_WITH_OBJ(("foreach_step4 %u => ERROR converting list %ld, \"%s\": ",
-                                opnd, i, O2S(listPtr)),
-                                Tcl_GetObjResult(interp));
                         goto checkForCatch;
                     }
@@ -2840 +2353 @@
                             CACHE_STACK_INFO();
                             if (value2Ptr == NULL) {
-                                TRACE_WITH_OBJ(("foreach_step4 %u => ERROR init. index temp %d: ",
-                                       opnd, varIndex),
-                                       Tcl_GetObjResult(interp));
                                 if (setEmptyStr) {
                                     Tcl_DecrRefCount(elemPtr); /* unneeded */
@@ -2862 +2372 @@
 
                 PUSH_OBJECT(Tcl_NewLongObj(continueLoop));
-                TRACE(("foreach_step4 %u => %d lists, iter %d, %s loop\n", 
-                        opnd, numLists, iterNum,
-                        (continueLoop? "continue" : "exit")));
             }
             ADJUST_PC(5);
@@ -2875 +2382 @@
              */
             catchStackPtr[++catchTop] = stackTop;
-            TRACE(("beginCatch4 %u => catchTop=%d, stackTop=%d\n",
-                    TclGetUInt4AtPtr(pc+1), catchTop, stackTop));
             ADJUST_PC(5);
 
@@ -2882 +2387 @@
             catchTop--;
             result = TCL_OK;
-            TRACE(("endCatch => catchTop=%d\n", catchTop));
             ADJUST_PC(1);
 
         case INST_PUSH_RESULT:
             PUSH_OBJECT(Tcl_GetObjResult(interp));
-            TRACE_WITH_OBJ(("pushResult => "), Tcl_GetObjResult(interp));
             ADJUST_PC(1);
 
         case INST_PUSH_RETURN_CODE:
             PUSH_OBJECT(Tcl_NewLongObj(result));
-            TRACE(("pushReturnCode => %u\n", result));
             ADJUST_PC(1);
 
         default:
-            TRACE(("UNRECOGNIZED INSTRUCTION %u\n", opCode));
             panic("TclExecuteByteCode: unrecognized opCode %u", opCode);
         } /* end of switch on opCode */
@@ -2926 +2427 @@
         rangePtr = TclGetExceptionRangeForPc(pc, /*catchOnly*/ 1, codePtr);
         if (rangePtr == NULL) {
-            TRACE(("   ... no enclosing catch, returning %s\n",
-                    StringForResultCode(result)));
             goto abnormalReturn;
         }
@@ -2945 +2444 @@
             TclDecrRefCount(valuePtr);
         }
-        TRACE(("  ... found catch at %d, catchTop=%d, unwound to %d, new pc %u\n",
-                rangePtr->codeOffset, catchTop, catchStackPtr[catchTop],
-                (unsigned int)(rangePtr->catchOffset)));
         pc = (codePtr->codeStart + rangePtr->catchOffset);
         continue;               /* restart the execution loop at pc */
@@ -2975 +2471 @@
 #undef STATIC_CATCH_STACK_SIZE
 }
-
-
-/*
- *----------------------------------------------------------------------
- *
- * PrintByteCodeInfo --
- *
- *      This procedure prints a summary about a bytecode object to stdout.
- *      It is called by TclExecuteByteCode when starting to execute the
- *      bytecode object if tclTraceExec has the value 2 or more.
- *
- * Results:
- *      None.
- *
- * Side effects:
- *      None.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-PrintByteCodeInfo(codePtr)
-    register ByteCode *codePtr; /* The bytecode whose summary is printed
-                                 * to stdout. */
-{
-    Proc *procPtr = codePtr->procPtr;
-    int numCmds = codePtr->numCommands;
-    int numObjs = codePtr->numObjects;
-    int objBytes, i;
-
-    objBytes = (numObjs * sizeof(Tcl_Obj));
-    for (i = 0;  i < numObjs;  i++) {
-        Tcl_Obj *litObjPtr = codePtr->objArrayPtr[i];
-        if (litObjPtr->bytes != NULL) {
-            objBytes += litObjPtr->length;
-        }
-    }
-    
-    fprintf(stdout, "\nExecuting ByteCode 0x%x, ref ct %u, epoch %u, interp 0x%x(epoch %u)\n",
-            (unsigned int) codePtr, codePtr->refCount,
-            codePtr->compileEpoch, (unsigned int) codePtr->iPtr,
-            codePtr->iPtr->compileEpoch);
-    
-    fprintf(stdout, "  Source: ");
-    TclPrintSource(stdout, codePtr->source, 70);
-
-    fprintf(stdout, "\n  Cmds %d, chars %d, inst %u, objs %u, aux %d, stk depth %u, code/src %.2fn",
-            numCmds, codePtr->numSrcChars, codePtr->numCodeBytes, numObjs,
-            codePtr->numAuxDataItems, codePtr->maxStackDepth,
-            (codePtr->numSrcChars?
-                    ((float)codePtr->totalSize)/((float)codePtr->numSrcChars) : 0.0));
-
-    fprintf(stdout, "  Code %zu = %u(header)+%d(inst)+%d(objs)+%u(exc)+%u(aux)+%d(cmd map)\n",
-            codePtr->totalSize, sizeof(ByteCode), codePtr->numCodeBytes,
-            objBytes, (codePtr->numExcRanges * sizeof(ExceptionRange)),
-            (codePtr->numAuxDataItems * sizeof(AuxData)),
-            codePtr->numCmdLocBytes);
-
-    if (procPtr != NULL) {
-        fprintf(stdout,
-                "  Proc 0x%x, ref ct %d, args %d, compiled locals %d\n",
-                (unsigned int) procPtr, procPtr->refCount,
-                procPtr->numArgs, procPtr->numCompiledLocals);
-    }
-}
-
-
-/*
- *----------------------------------------------------------------------
- *
- * ValidatePcAndStackTop --
- *
- *      This procedure is called by TclExecuteByteCode when debugging to
- *      verify that the program counter and stack top are valid during
- *      execution.
- *
- * Results:
- *      None.
- *
- * Side effects:
- *      Prints a message to stderr and panics if either the pc or stack
- *      top are invalid.
- *
- *----------------------------------------------------------------------
- */
-
-#ifdef TCL_COMPILE_DEBUG
-static void
-ValidatePcAndStackTop(codePtr, pc, stackTop, stackLowerBound, stackUpperBound)
-    register ByteCode *codePtr; /* The bytecode whose summary is printed
-                                 * to stdout. */
-    unsigned char *pc;          /* Points to first byte of a bytecode
-                                 * instruction. The program counter. */
-    int stackTop;               /* Current stack top. Must be between
-                                 * stackLowerBound and stackUpperBound
-                                 * (inclusive). */
-    int stackLowerBound;        /* Smallest legal value for stackTop. */
-    int stackUpperBound;        /* Greatest legal value for stackTop. */
-{
-    unsigned int relativePc = (unsigned int) (pc - codePtr->codeStart);
-    unsigned int codeStart = (unsigned int) codePtr->codeStart;
-    unsigned int codeEnd = (unsigned int)
-            (codePtr->codeStart + codePtr->numCodeBytes);
-    unsigned char opCode = *pc;
-
-    if (((unsigned int) pc < codeStart) || ((unsigned int) pc > codeEnd)) {
-        fprintf(stderr, "\nBad instruction pc 0x%x in TclExecuteByteCode\n",
-                (unsigned int) pc);
-        panic("TclExecuteByteCode execution failure: bad pc");
-    }
-    if ((unsigned int) opCode > LAST_INST_OPCODE) {
-        fprintf(stderr, "\nBad opcode %d at pc %u in TclExecuteByteCode\n",
-                (unsigned int) opCode, relativePc);
-        panic("TclExecuteByteCode execution failure: bad opcode");
-    }
-    if ((stackTop < stackLowerBound) || (stackTop > stackUpperBound)) {
-        int numChars;
-        char *cmd = GetSrcInfoForPc(pc, codePtr, &numChars);
-        char *ellipsis = "";
-        
-        fprintf(stderr, "\nBad stack top %d at pc %u in TclExecuteByteCode",
-                stackTop, relativePc);
-        if (cmd != NULL) {
-            if (numChars > 100) {
-                numChars = 100;
-                ellipsis = "...";
-            }
-            fprintf(stderr, "\n executing %.*s%s\n", numChars, cmd,
-                    ellipsis);
-        } else {
-            fprintf(stderr, "\n");
-        }
-        panic("TclExecuteByteCode execution failure: bad stack top");
-    }
-}
-#endif /* TCL_COMPILE_DEBUG */
 
 
@@ -4271 +3631 @@
 
 
-#ifdef TCL_COMPILE_STATS
-/*
- *----------------------------------------------------------------------
- *
- * TclLog2 --
- *
- *      Procedure used while collecting compilation statistics to determine
- *      the log base 2 of an integer.
- *
- * Results:
- *      Returns the log base 2 of the operand. If the argument is less
- *      than or equal to zero, a zero is returned.
- *
- * Side effects:
- *      None.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclLog2(value)
-    register int value;         /* The integer for which to compute the
-                                 * log base 2. */
-{
-    register int n = value;
-    register int result = 0;
-
-    while (n > 1) {
-        n = n >> 1;
-        result++;
-    }
-    return result;
-}
-
-
-/*
- *----------------------------------------------------------------------
- *
- * EvalStatsCmd --
- *
- *      Implements the "evalstats" command that prints instruction execution
- *      counts to stdout.
- *
- * Results:
- *      Standard Tcl results.
- *
- * Side effects:
- *      None.
- *
- *----------------------------------------------------------------------
- */
-
-static int
-EvalStatsCmd(unused, interp, argc, argv)
-    ClientData unused;          /* Unused. */
-    Tcl_Interp *interp;         /* The current interpreter. */
-    int argc;                   /* The number of arguments. */
-    char **argv;                /* The argument strings. */
-{
-    register double total = 0.0;
-    register int i;
-    int maxSizeDecade = 0;
-    double totalHeaderBytes = (tclNumCompilations * sizeof(ByteCode));
-
-    for (i = 0;  i < 256;  i++) {
-        if (instructionCount[i] != 0) {
-            total += instructionCount[i];
-        }
-    }
-
-    for (i = 31;  i >= 0;  i--) {
-        if ((tclSourceCount[i] > 0) && (tclByteCodeCount[i] > 0)) {
-            maxSizeDecade = i;
-            break;
-        }
-    } 
-
-    fprintf(stdout, "\nNumber of compilations           %ld\n",
-            tclNumCompilations);
-    fprintf(stdout, "Number of executions               %ld\n",
-            numExecutions);
-    fprintf(stdout, "Average executions/compilation     %.0f\n",
-            ((float) numExecutions/tclNumCompilations));
-    
-    fprintf(stdout, "\nInstructions executed            %.0f\n",
-            total);
-    fprintf(stdout, "Average instructions/compile       %.0f\n",
-            total/tclNumCompilations);
-    fprintf(stdout, "Average instructions/execution     %.0f\n",
-            total/numExecutions);
-    
-    fprintf(stdout, "\nTotal source bytes               %.6g\n",
-            tclTotalSourceBytes);
-    fprintf(stdout, "Total code bytes           %.6g\n",
-            tclTotalCodeBytes);
-    fprintf(stdout, "Average code/compilation   %.0f\n",
-            tclTotalCodeBytes/tclNumCompilations);
-    fprintf(stdout, "Average code/source                %.2f\n",
-            tclTotalCodeBytes/tclTotalSourceBytes);
-    fprintf(stdout, "Current source bytes               %.6g\n",
-            tclCurrentSourceBytes);
-    fprintf(stdout, "Current code bytes         %.6g\n",
-            tclCurrentCodeBytes);
-    fprintf(stdout, "Current code/source                %.2f\n",
-            tclCurrentCodeBytes/tclCurrentSourceBytes);
-    
-    fprintf(stdout, "\nTotal objects allocated          %ld\n",
-            tclObjsAlloced);
-    fprintf(stdout, "Total objects freed                %ld\n",
-            tclObjsFreed);
-    fprintf(stdout, "Current objects:           %ld\n",
-            (tclObjsAlloced - tclObjsFreed));
-
-    fprintf(stdout, "\nBreakdown of code byte requirements:\n");
-    fprintf(stdout, "                   Total bytes      Pct of    Avg per\n");
-    fprintf(stdout, "                                  all code    compile\n");
-    fprintf(stdout, "Total code        %12.6g        100%%   %8.2f\n",
-            tclTotalCodeBytes, tclTotalCodeBytes/tclNumCompilations);
-    fprintf(stdout, "Header            %12.6g   %8.2f%%   %8.2f\n",
-            totalHeaderBytes,
-            ((totalHeaderBytes * 100.0) / tclTotalCodeBytes),
-            totalHeaderBytes/tclNumCompilations);
-    fprintf(stdout, "Instructions      %12.6g   %8.2f%%   %8.2f\n",
-            tclTotalInstBytes,
-            ((tclTotalInstBytes * 100.0) / tclTotalCodeBytes),
-            tclTotalInstBytes/tclNumCompilations);
-    fprintf(stdout, "Objects           %12.6g   %8.2f%%   %8.2f\n",
-            tclTotalObjBytes,
-            ((tclTotalObjBytes * 100.0) / tclTotalCodeBytes),
-            tclTotalObjBytes/tclNumCompilations);
-    fprintf(stdout, "Exception table   %12.6g   %8.2f%%   %8.2f\n",
-            tclTotalExceptBytes,
-            ((tclTotalExceptBytes * 100.0) / tclTotalCodeBytes),
-            tclTotalExceptBytes/tclNumCompilations);
-    fprintf(stdout, "Auxiliary data    %12.6g   %8.2f%%   %8.2f\n",
-            tclTotalAuxBytes,
-            ((tclTotalAuxBytes * 100.0) / tclTotalCodeBytes),
-            tclTotalAuxBytes/tclNumCompilations);
-    fprintf(stdout, "Command map       %12.6g   %8.2f%%   %8.2f\n",
-            tclTotalCmdMapBytes,
-            ((tclTotalCmdMapBytes * 100.0) / tclTotalCodeBytes),
-            tclTotalCmdMapBytes/tclNumCompilations);
-    
-    fprintf(stdout, "\nSource and ByteCode size distributions:\n");
-    fprintf(stdout, "    binary decade          source    code\n");
-    for (i = 0;  i <= maxSizeDecade;  i++) {
-        int decadeLow, decadeHigh;
-
-        if (i == 0) {
-            decadeLow = 0;
-        } else {
-            decadeLow = 1 << i;
-        }
-        decadeHigh = (1 << (i+1)) - 1;
-        fprintf(stdout, "       %6d -%6d                %6d     %6d\n",
-                decadeLow, decadeHigh,
-                tclSourceCount[i], tclByteCodeCount[i]);
-    }
-
-    fprintf(stdout, "\nInstruction counts:\n");
-    for (i = 0;  i < 256;  i++) {
-        if (instructionCount[i]) {
-            fprintf(stdout, "%20s %8d %6.2f%%\n",
-                    opName[i], instructionCount[i],
-                    (instructionCount[i] * 100.0)/total);
-        }
-    }
-
-#ifdef TCL_MEM_DEBUG
-    fprintf(stdout, "\nHeap Statistics:\n");
-    TclDumpMemoryInfo(stdout);
-#endif /* TCL_MEM_DEBUG */
-
-    return TCL_OK;
-}
-#endif /* TCL_COMPILE_STATS */
-
-
 /*
  *----------------------------------------------------------------------
@@ -4758 +3940 @@
     panic("UpdateStringOfCmdName should never be invoked");
 }
-
-
-#ifdef TCL_COMPILE_DEBUG
-/*
- *----------------------------------------------------------------------
- *
- * StringForResultCode --
- *
- *      Procedure that returns a human-readable string representing a
- *      Tcl result code such as TCL_ERROR. 
- *
- * Results:
- *      If the result code is one of the standard Tcl return codes, the
- *      result is a string representing that code such as "TCL_ERROR".
- *      Otherwise, the result string is that code formatted as a
- *      sequence of decimal digit characters. Note that the resulting
- *      string must not be modified by the caller.
- *
- * Side effects:
- *      None.
- *
- *----------------------------------------------------------------------
- */
-
-static char *
-StringForResultCode(result)
-    int result;                 /* The Tcl result code for which to
-                                 * generate a string. */
-{
-    static char buf[20];
-    
-    if ((result >= TCL_OK) && (result <= TCL_CONTINUE)) {
-        return resultStrings[result];
-    }
-    TclFormatInt(buf, result);
-    return buf;
-}
-#endif /* TCL_COMPILE_DEBUG */