Merge tip of core-8-6-branchbug_16828b3744

1 files changed, 128 insertions, 36 deletions

diff --git a/generic/tclInt.h b/generic/tclInt.h
index 6056119..7ea37bb 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -48,7 +48,8 @@
 #else
 #include <string.h>
 #endif
-#ifdef STDC_HEADERS
+#if defined(STDC_HEADERS) || defined(__STDC__) || defined(__C99__FUNC__) \
+     || defined(__cplusplus) || defined(_MSC_VER)
 #include <stddef.h>
 #else
 typedef int ptrdiff_t;
@@ -1177,25 +1178,25 @@ typedef struct CmdFrame {
      *
      * Field	  TEBC		  EvalEx
      * =======	  ====		  ======
-     * level	  yes		  yes	
+     * level	  yes		  yes
      * type	  BC/PREBC	  SRC/EVAL
-     * line0	  yes		  yes	
-     * framePtr	  yes		  yes	
+     * line0	  yes		  yes
+     * framePtr	  yes		  yes
      * =======	  ====		  ======
      *
      * =======	  ====		  ========= union data
-     * line1	  -		  yes	
-     * line3	  -		  yes	
-     * path	  -		  yes	
+     * line1	  -		  yes
+     * line3	  -		  yes
+     * path	  -		  yes
      * -------	  ----		  ------
-     * codePtr	  yes		  -	
-     * pc	  yes		  -	
+     * codePtr	  yes		  -
+     * pc	  yes		  -
      * =======	  ====		  ======
      *
      * =======	  ====		  ========= union cmd
-     * str.cmd	  yes		  yes	
-     * str.len	  yes		  yes	
-     * -------	  ----		  ------	
+     * str.cmd	  yes		  yes
+     * str.len	  yes		  yes
+     * -------	  ----		  ------
      */
 
     union {
@@ -1686,6 +1687,7 @@ typedef struct Command {
 #define CMD_TRACE_ACTIVE	    0x2
 #define CMD_HAS_EXEC_TRACES	    0x4
 #define CMD_COMPILES_EXPANDED	    0x8
+#define CMD_REDEF_IN_PROGRESS	    0x10
 
 /*
  *----------------------------------------------------------------
@@ -1740,7 +1742,7 @@ enum PkgPreferOptions {
  * definition there.
  * Some macros require knowledge of some fields in the struct in order to
  * avoid hitting the TSD unnecessarily. In order to facilitate this, a pointer
- * to the relevant fields is kept in the objCache field in struct Interp.
+ * to the relevant fields is kept in the allocCache field in struct Interp.
  *----------------------------------------------------------------
  */
 
@@ -1809,7 +1811,14 @@ typedef struct Interp {
     ClientData interpInfo;	/* Information used by tclInterp.c to keep
 				 * track of master/slave interps on a
 				 * per-interp basis. */
-    Tcl_HashTable unused2;	/* No longer used (was mathFuncTable) */
+    union {
+	void (*optimizer)(void *envPtr);
+	Tcl_HashTable unused2;	/* No longer used (was mathFuncTable). The
+				 * unused space in interp was repurposed for
+				 * pluggable bytecode optimizers. The core
+				 * contains one optimizer, which can be
+				 * selectively overriden by extensions. */
+    } extra;
 
     /*
      * Information related to procedures and variables. See tclProc.c and
@@ -2201,6 +2210,7 @@ typedef struct Interp {
 #define TCL_ALLOW_EXCEPTIONS		0x04
 #define TCL_EVAL_FILE			0x02
 #define TCL_EVAL_SOURCE_IN_FRAME	0x10
+#define TCL_EVAL_NORESOLVE		0x20
 
 /*
  * Flag bits for Interp structures:
@@ -2444,6 +2454,30 @@ typedef struct List {
 #endif
 
 /*
+ * Macro used to save a function call for common uses of
+ * Tcl_GetWideIntFromObj(). The ANSI C "prototype" is:
+ *
+ * MODULE_SCOPE int TclGetWideIntFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
+ *			Tcl_WideInt *wideIntPtr);
+ */
+
+#ifdef TCL_WIDE_INT_IS_LONG
+#define TclGetWideIntFromObj(interp, objPtr, wideIntPtr) \
+    (((objPtr)->typePtr == &tclIntType)					\
+	? (*(wideIntPtr) = (Tcl_WideInt)				\
+		((objPtr)->internalRep.longValue), TCL_OK) :		\
+	Tcl_GetWideIntFromObj((interp), (objPtr), (wideIntPtr)))
+#else /* !TCL_WIDE_INT_IS_LONG */
+#define TclGetWideIntFromObj(interp, objPtr, wideIntPtr)		\
+    (((objPtr)->typePtr == &tclWideIntType)				\
+	? (*(wideIntPtr) = (objPtr)->internalRep.wideValue, TCL_OK) :	\
+    ((objPtr)->typePtr == &tclIntType)					\
+	? (*(wideIntPtr) = (Tcl_WideInt)				\
+		((objPtr)->internalRep.longValue), TCL_OK) :		\
+	Tcl_GetWideIntFromObj((interp), (objPtr), (wideIntPtr)))
+#endif /* TCL_WIDE_INT_IS_LONG */
+
+/*
  * Flag values for TclTraceDictPath().
  *
  * DICT_PATH_READ indicates that all entries on the path must exist but no
@@ -2631,6 +2665,8 @@ MODULE_SCOPE char *tclMemDumpFileName;
 MODULE_SCOPE TclPlatformType tclPlatform;
 MODULE_SCOPE Tcl_NotifierProcs tclNotifierHooks;
 
+MODULE_SCOPE Tcl_Encoding tclIdentityEncoding;
+
 /*
  * TIP #233 (Virtualized Time)
  * Data for the time hooks, if any.
@@ -2725,6 +2761,7 @@ 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);
@@ -2828,6 +2865,8 @@ MODULE_SCOPE int	TclByteArrayMatch(const unsigned char *string,
 			    int strLen, const unsigned char *pattern,
 			    int ptnLen, int flags);
 MODULE_SCOPE double	TclCeil(const mp_int *a);
+MODULE_SCOPE void	TclChannelPreserve(Tcl_Channel chan);
+MODULE_SCOPE void	TclChannelRelease(Tcl_Channel chan);
 MODULE_SCOPE int	TclCheckBadOctal(Tcl_Interp *interp,
 			    const char *value);
 MODULE_SCOPE int	TclChanCaughtErrorBypass(Tcl_Interp *interp,
@@ -2845,6 +2884,10 @@ MODULE_SCOPE void	TclContinuationsCopy(Tcl_Obj *objPtr,
 MODULE_SCOPE int	TclConvertElement(const char *src, int length,
 			    char *dst, int flags);
 MODULE_SCOPE void	TclDeleteNamespaceVars(Namespace *nsPtr);
+MODULE_SCOPE int	TclFindDictElement(Tcl_Interp *interp,
+			    const char *dict, int dictLength,
+			    const char **elementPtr, const char **nextPtr,
+			    int *sizePtr, int *literalPtr);
 /* TIP #280 - Modified token based evulation, with line information. */
 MODULE_SCOPE int	TclEvalEx(Tcl_Interp *interp, const char *script,
 			    int numBytes, int flags, int line,
@@ -2884,7 +2927,8 @@ MODULE_SCOPE void	TclFinalizeObjects(void);
 MODULE_SCOPE void	TclFinalizePreserve(void);
 MODULE_SCOPE void	TclFinalizeSynchronization(void);
 MODULE_SCOPE void	TclFinalizeThreadAlloc(void);
-MODULE_SCOPE void	TclFinalizeThreadData(void);
+MODULE_SCOPE void	TclFinalizeThreadAllocThread(void);
+MODULE_SCOPE void	TclFinalizeThreadData(int quick);
 MODULE_SCOPE void	TclFinalizeThreadObjects(void);
 MODULE_SCOPE double	TclFloor(const mp_int *a);
 MODULE_SCOPE void	TclFormatNaN(double value, char *buffer);
@@ -2909,6 +2953,8 @@ MODULE_SCOPE int	TclGetOpenModeEx(Tcl_Interp *interp,
 MODULE_SCOPE Tcl_Obj *	TclGetProcessGlobalValue(ProcessGlobalValue *pgvPtr);
 MODULE_SCOPE Tcl_Obj *	TclGetSourceFromFrame(CmdFrame *cfPtr, int objc,
 			    Tcl_Obj *const objv[]);
+MODULE_SCOPE char *	TclGetStringStorage(Tcl_Obj *objPtr,
+			    unsigned int *sizePtr);
 MODULE_SCOPE int	TclGlob(Tcl_Interp *interp, char *pattern,
 			    Tcl_Obj *unquotedPrefix, int globFlags,
 			    Tcl_GlobTypeData *types);
@@ -2940,8 +2986,8 @@ MODULE_SCOPE void	TclInitNotifier(void);
 MODULE_SCOPE void	TclInitObjSubsystem(void);
 MODULE_SCOPE void	TclInitSubsystems(void);
 MODULE_SCOPE int	TclInterpReady(Tcl_Interp *interp);
-MODULE_SCOPE int	TclIsLocalScalar(const char *src, int len);
 MODULE_SCOPE int	TclIsSpaceProc(char byte);
+MODULE_SCOPE int	TclIsBareword(char byte);
 MODULE_SCOPE Tcl_Obj *	TclJoinPath(int elements, Tcl_Obj * const objv[]);
 MODULE_SCOPE int	TclJoinThread(Tcl_ThreadId id, int *result);
 MODULE_SCOPE void	TclLimitRemoveAllHandlers(Tcl_Interp *interp);
@@ -2999,8 +3045,9 @@ MODULE_SCOPE void	TclpFinalizeMutex(Tcl_Mutex *mutexPtr);
 MODULE_SCOPE void	TclpFinalizePipes(void);
 MODULE_SCOPE void	TclpFinalizeSockets(void);
 MODULE_SCOPE int	TclCreateSocketAddress(Tcl_Interp *interp,
-			    void **addrlist, const char *host, int port,
-			    int willBind, const char **errorMsgPtr);
+			    struct addrinfo **addrlist,
+			    const char *host, int port, int willBind,
+			    const char **errorMsgPtr);
 MODULE_SCOPE int	TclpThreadCreate(Tcl_ThreadId *idPtr,
 			    Tcl_ThreadCreateProc *proc, ClientData clientData,
 			    int stackSize, int flags);
@@ -3049,7 +3096,8 @@ MODULE_SCOPE void	TclRememberJoinableThread(Tcl_ThreadId id);
 MODULE_SCOPE void	TclRememberMutex(Tcl_Mutex *mutex);
 MODULE_SCOPE void	TclRemoveScriptLimitCallbacks(Tcl_Interp *interp);
 MODULE_SCOPE int	TclReToGlob(Tcl_Interp *interp, const char *reStr,
-			    int reStrLen, Tcl_DString *dsPtr, int *flagsPtr);
+			    int reStrLen, Tcl_DString *dsPtr, int *flagsPtr,
+			    int *quantifiersFoundPtr);
 MODULE_SCOPE int	TclScanElement(const char *string, int length,
 			    int *flagPtr);
 MODULE_SCOPE void	TclSetBgErrorHandler(Tcl_Interp *interp,
@@ -3105,7 +3153,6 @@ MODULE_SCOPE void	TclFinalizeThreadStorage(void);
 MODULE_SCOPE Tcl_WideInt TclpGetWideClicks(void);
 MODULE_SCOPE double	TclpWideClicksToNanoseconds(Tcl_WideInt clicks);
 #endif
-MODULE_SCOPE Tcl_Obj *	TclDisassembleByteCodeObj(Tcl_Obj *objPtr);
 MODULE_SCOPE int	TclZlibInit(Tcl_Interp *interp);
 MODULE_SCOPE void *	TclpThreadCreateKey(void);
 MODULE_SCOPE void	TclpThreadDeleteKey(void *keyPtr);
@@ -3183,15 +3230,15 @@ MODULE_SCOPE Tcl_Obj *	TclDictWithInit(Tcl_Interp *interp, Tcl_Obj *dictPtr,
 MODULE_SCOPE int	Tcl_DisassembleObjCmd(ClientData clientData,
 			    Tcl_Interp *interp, int objc,
 			    Tcl_Obj *const objv[]);
-			    
-/* Assemble command function */			    
+
+/* Assemble command function */
 MODULE_SCOPE int	Tcl_AssembleObjCmd(ClientData clientData,
 			    Tcl_Interp *interp, int objc,
-			    Tcl_Obj *const objv[]);			    
+			    Tcl_Obj *const objv[]);
 MODULE_SCOPE int	TclNRAssembleObjCmd(ClientData clientData,
 			    Tcl_Interp *interp, int objc,
-			    Tcl_Obj *const objv[]);			    
-			    
+			    Tcl_Obj *const objv[]);
+
 MODULE_SCOPE int	Tcl_EncodingObjCmd(ClientData clientData,
 			    Tcl_Interp *interp, int objc,
 			    Tcl_Obj *const objv[]);
@@ -3432,6 +3479,9 @@ MODULE_SCOPE int	TclCompileBreakCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileCatchCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileConcatCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileContinueCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3531,6 +3581,9 @@ MODULE_SCOPE int	TclCompileLassignCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileLindexCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileLinsertCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileListCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3555,6 +3608,9 @@ MODULE_SCOPE int	TclCompileNamespaceCodeCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileNamespaceCurrentCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileNamespaceOriginCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileNamespaceQualifiersCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3570,6 +3626,12 @@ MODULE_SCOPE int	TclCompileNamespaceWhichCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileNoOp(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileObjectNextCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileObjectNextToCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileObjectSelfCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3585,6 +3647,9 @@ MODULE_SCOPE int	TclCompileReturnCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileSetCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringCatCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileStringCmpCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3597,6 +3662,9 @@ MODULE_SCOPE int	TclCompileStringFirstCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileStringIndexCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringIsCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileStringLastCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3612,6 +3680,27 @@ MODULE_SCOPE int	TclCompileStringMatchCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileStringRangeCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringReplaceCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringToLowerCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringToTitleCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringToUpperCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringTrimCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringTrimLCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileStringTrimRCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileSubstCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3642,6 +3731,9 @@ MODULE_SCOPE int	TclCompileWhileCmd(Tcl_Interp *interp,
 MODULE_SCOPE int	TclCompileYieldCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
+MODULE_SCOPE int	TclCompileYieldToCmd(Tcl_Interp *interp,
+			    Tcl_Parse *parsePtr, Command *cmdPtr,
+			    struct CompileEnv *envPtr);
 MODULE_SCOPE int	TclCompileBasic0ArgCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3817,7 +3909,7 @@ MODULE_SCOPE int	TclStreqOpCmd(ClientData clientData,
 MODULE_SCOPE int	TclCompileStreqOpCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
-			    
+
 MODULE_SCOPE int	TclCompileAssembleCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
@@ -3855,6 +3947,8 @@ MODULE_SCOPE int	TclPtrUnsetVar(Tcl_Interp *interp, Var *varPtr,
 			    Tcl_Obj *part2Ptr, const int flags,
 			    int index);
 MODULE_SCOPE void	TclInvalidateNsPath(Namespace *nsPtr);
+MODULE_SCOPE void	TclFindArrayPtrElements(Var *arrayPtr,
+			    Tcl_HashTable *tablePtr);
 
 /*
  * The new extended interface to the variable traces.
@@ -3945,7 +4039,7 @@ typedef const char *TclDTraceStr;
  */
 
 # define TclDecrRefCount(objPtr) \
-    if (--(objPtr)->refCount > 0) ; else { \
+    if ((objPtr)->refCount-- > 1) ; else { \
 	if (!(objPtr)->typePtr || !(objPtr)->typePtr->freeIntRepProc) { \
 	    TCL_DTRACE_OBJ_FREE(objPtr); \
 	    if ((objPtr)->bytes \
@@ -4022,7 +4116,8 @@ MODULE_SCOPE void	TclpFreeAllocCache(void *);
 	AllocCache *cachePtr;						\
 	if (((interp) == NULL) ||					\
 		((cachePtr = ((Interp *)(interp))->allocCache),		\
-			(cachePtr->numObjects >= ALLOC_NOBJHIGH))) {	\
+			((cachePtr->numObjects == 0) ||			\
+			(cachePtr->numObjects >= ALLOC_NOBJHIGH)))) {	\
 	    TclThreadFreeObj(objPtr);					\
 	} else {							\
 	    (objPtr)->internalRep.twoPtrValue.ptr1 = cachePtr->firstObjPtr; \
@@ -4340,17 +4435,12 @@ MODULE_SCOPE void	TclDbInitNewObj(Tcl_Obj *objPtr, const char *file,
 /*
  *----------------------------------------------------------------------
  *
- * Core procedures added to libtommath for bignum manipulation.
+ * Core procedure added to libtommath for bignum manipulation.
  *
  *----------------------------------------------------------------------
  */
 
 MODULE_SCOPE Tcl_PackageInitProc TclTommath_Init;
-MODULE_SCOPE void	TclBNInitBignumFromLong(mp_int *bignum, long initVal);
-MODULE_SCOPE void	TclBNInitBignumFromWideInt(mp_int *bignum,
-			    Tcl_WideInt initVal);
-MODULE_SCOPE void	TclBNInitBignumFromWideUInt(mp_int *bignum,
-			    Tcl_WideUInt initVal);
 
 /*
  *----------------------------------------------------------------------
@@ -4584,7 +4674,7 @@ MODULE_SCOPE Tcl_PackageInitProc Procbodytest_SafeInit;
  */
 
 #define TclCleanupCommandMacro(cmdPtr) \
-    if (--(cmdPtr)->refCount <= 0) { \
+    if ((cmdPtr)->refCount-- <= 1) { \
 	ckfree((char *) (cmdPtr));\
     }
 
@@ -4701,7 +4791,9 @@ void Tcl_Panic(const char *, ...) __attribute__((analyzer_noreturn));
  */
 
 #define NRE_USE_SMALL_ALLOC	1  /* Only turn off for debugging purposes. */
-#define NRE_ENABLE_ASSERTS	1
+#ifndef NRE_ENABLE_ASSERTS
+#define NRE_ENABLE_ASSERTS	0
+#endif
 
 /*
  * This is the main data struct for representing NR commands. It is designed