diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 1affb53..bc026b3 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclExecute.c,v 1.9 1999/12/12 02:26:42 hobbs Exp $ + * RCS: @(#) $Id: tclExecute.c,v 1.10 2000/03/27 22:18:55 hobbs Exp $ */ #include "tclInt.h" @@ -1779,30 +1779,39 @@ TclExecuteByteCode(interp, codePtr) valuePtr = POP_OBJECT(); t1Ptr = valuePtr->typePtr; t2Ptr = value2Ptr->typePtr; - - if ((t1Ptr != &tclIntType) && (t1Ptr != &tclDoubleType)) { - s1 = Tcl_GetStringFromObj(valuePtr, &length); - if (TclLooksLikeInt(s1, length)) { - (void) Tcl_GetLongFromObj((Tcl_Interp *) NULL, - valuePtr, &i); - } else { - (void) Tcl_GetDoubleFromObj((Tcl_Interp *) NULL, - valuePtr, &d1); + + /* + * We only want to coerce numeric validation if + * neither type is NULL. A NULL type means the arg is + * essentially an empty object ("", {} or [list]). + */ + if (!((((t1Ptr == NULL) && (valuePtr->bytes == NULL)) + || (valuePtr->bytes && (valuePtr->length == 0))) + || (((t2Ptr == NULL) && (value2Ptr->bytes == NULL)) + || (value2Ptr->bytes && (value2Ptr->length == 0))))) { + if ((t1Ptr != &tclIntType) && (t1Ptr != &tclDoubleType)) { + s1 = Tcl_GetStringFromObj(valuePtr, &length); + if (TclLooksLikeInt(s1, length)) { + (void) Tcl_GetLongFromObj((Tcl_Interp *) NULL, + valuePtr, &i); + } else { + (void) Tcl_GetDoubleFromObj((Tcl_Interp *) NULL, + valuePtr, &d1); + } + t1Ptr = valuePtr->typePtr; } - t1Ptr = valuePtr->typePtr; - } - if ((t2Ptr != &tclIntType) && (t2Ptr != &tclDoubleType)) { - s2 = Tcl_GetStringFromObj(value2Ptr, &length); - if (TclLooksLikeInt(s2, length)) { - (void) Tcl_GetLongFromObj((Tcl_Interp *) NULL, - value2Ptr, &i2); - } else { - (void) Tcl_GetDoubleFromObj((Tcl_Interp *) NULL, - value2Ptr, &d2); + if ((t2Ptr != &tclIntType) && (t2Ptr != &tclDoubleType)) { + s2 = Tcl_GetStringFromObj(value2Ptr, &length); + if (TclLooksLikeInt(s2, length)) { + (void) Tcl_GetLongFromObj((Tcl_Interp *) NULL, + value2Ptr, &i2); + } else { + (void) Tcl_GetDoubleFromObj((Tcl_Interp *) NULL, + value2Ptr, &d2); + } + t2Ptr = value2Ptr->typePtr; } - t2Ptr = value2Ptr->typePtr; } - if (((t1Ptr != &tclIntType) && (t1Ptr != &tclDoubleType)) || ((t2Ptr != &tclIntType) && (t2Ptr != &tclDoubleType))) { /* |