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-rw-r--r--generic/tclLink.c208
1 files changed, 165 insertions, 43 deletions
diff --git a/generic/tclLink.c b/generic/tclLink.c
index 2735256..a39dfcd 100644
--- a/generic/tclLink.c
+++ b/generic/tclLink.c
@@ -36,8 +36,10 @@ typedef struct Link {
unsigned int ui;
short s;
unsigned short us;
+#if !defined(TCL_WIDE_INT_IS_LONG) && !defined(_WIN32) && !defined(__CYGWIN__)
long l;
unsigned long ul;
+#endif
Tcl_WideInt w;
Tcl_WideUInt uw;
float f;
@@ -67,6 +69,9 @@ typedef struct Link {
static char * LinkTraceProc(ClientData clientData,Tcl_Interp *interp,
const char *name1, const char *name2, int flags);
static Tcl_Obj * ObjValue(Link *linkPtr);
+static int GetInvalidIntFromObj(Tcl_Obj *objPtr, int *intPtr);
+static int GetInvalidWideFromObj(Tcl_Obj *objPtr, Tcl_WideInt *widePtr);
+static int GetInvalidDoubleFromObj(Tcl_Obj *objPtr, double *doublePtr);
/*
* Convenience macro for accessing the value of the C variable pointed to by a
@@ -126,6 +131,14 @@ Tcl_LinkVar(
Tcl_IncrRefCount(linkPtr->varName);
linkPtr->addr = addr;
linkPtr->type = type & ~TCL_LINK_READ_ONLY;
+#if !defined(TCL_NO_DEPRECATED) && (defined(TCL_WIDE_INT_IS_LONG) \
+ || defined(_WIN32) || defined(__CYGWIN__))
+ if (linkPtr->type == 11 /* legacy TCL_LINK_LONG */) {
+ linkPtr->type = TCL_LINK_LONG;
+ } else if (linkPtr->type == 12 /* legacy TCL_LINK_ULONG */) {
+ linkPtr->type = TCL_LINK_ULONG;
+ }
+#endif
if (type & TCL_LINK_READ_ONLY) {
linkPtr->flags = LINK_READ_ONLY;
} else {
@@ -259,7 +272,8 @@ LinkTraceProc(
int flags) /* Miscellaneous additional information. */
{
Link *linkPtr = clientData;
- int changed, valueLength;
+ int changed;
+ size_t valueLength;
const char *value;
char **pp;
Tcl_Obj *valueObj;
@@ -331,12 +345,14 @@ LinkTraceProc(
case TCL_LINK_UINT:
changed = (LinkedVar(unsigned int) != linkPtr->lastValue.ui);
break;
+#if !defined(TCL_WIDE_INT_IS_LONG) && !defined(_WIN32) && !defined(__CYGWIN__)
case TCL_LINK_LONG:
changed = (LinkedVar(long) != linkPtr->lastValue.l);
break;
case TCL_LINK_ULONG:
changed = (LinkedVar(unsigned long) != linkPtr->lastValue.ul);
break;
+#endif
case TCL_LINK_FLOAT:
changed = (LinkedVar(float) != linkPtr->lastValue.f);
break;
@@ -378,8 +394,8 @@ LinkTraceProc(
switch (linkPtr->type) {
case TCL_LINK_INT:
- if (Tcl_GetIntFromObj(NULL, valueObj, &linkPtr->lastValue.i)
- != TCL_OK) {
+ if (Tcl_GetIntFromObj(NULL, valueObj, &linkPtr->lastValue.i) != TCL_OK
+ && GetInvalidIntFromObj(valueObj, &linkPtr->lastValue.i) != TCL_OK) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have integer value";
@@ -388,8 +404,8 @@ LinkTraceProc(
break;
case TCL_LINK_WIDE_INT:
- if (Tcl_GetWideIntFromObj(NULL, valueObj, &linkPtr->lastValue.w)
- != TCL_OK) {
+ if (Tcl_GetWideIntFromObj(NULL, valueObj, &linkPtr->lastValue.w) != TCL_OK
+ && GetInvalidWideFromObj(valueObj, &linkPtr->lastValue.w) != TCL_OK) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have integer value";
@@ -398,14 +414,15 @@ LinkTraceProc(
break;
case TCL_LINK_DOUBLE:
- if (Tcl_GetDoubleFromObj(NULL, valueObj, &linkPtr->lastValue.d)
- != TCL_OK) {
+ if (Tcl_GetDoubleFromObj(NULL, valueObj, &linkPtr->lastValue.d) != TCL_OK) {
#ifdef ACCEPT_NAN
if (valueObj->typePtr != &tclDoubleType) {
#endif
- Tcl_ObjSetVar2(interp, linkPtr->varName, NULL,
- ObjValue(linkPtr), TCL_GLOBAL_ONLY);
- return (char *) "variable must have real value";
+ if (GetInvalidDoubleFromObj(valueObj, &linkPtr->lastValue.d) != TCL_OK) {
+ Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
+ TCL_GLOBAL_ONLY);
+ return (char *) "variable must have real value";
+ }
#ifdef ACCEPT_NAN
}
linkPtr->lastValue.d = valueObj->internalRep.doubleValue;
@@ -415,8 +432,7 @@ LinkTraceProc(
break;
case TCL_LINK_BOOLEAN:
- if (Tcl_GetBooleanFromObj(NULL, valueObj, &linkPtr->lastValue.i)
- != TCL_OK) {
+ if (Tcl_GetBooleanFromObj(NULL, valueObj, &linkPtr->lastValue.i) != TCL_OK) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have boolean value";
@@ -425,113 +441,115 @@ LinkTraceProc(
break;
case TCL_LINK_CHAR:
- if (Tcl_GetIntFromObj(interp, valueObj, &valueInt) != TCL_OK
+ if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
+ && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK)
|| valueInt < SCHAR_MIN || valueInt > SCHAR_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have char value";
}
- linkPtr->lastValue.c = (char)valueInt;
- LinkedVar(char) = linkPtr->lastValue.c;
+ LinkedVar(char) = linkPtr->lastValue.c = (char)valueInt;
break;
case TCL_LINK_UCHAR:
- if (Tcl_GetIntFromObj(interp, valueObj, &valueInt) != TCL_OK
+ if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
+ && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK)
|| valueInt < 0 || valueInt > UCHAR_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have unsigned char value";
}
- linkPtr->lastValue.uc = (unsigned char) valueInt;
- LinkedVar(unsigned char) = linkPtr->lastValue.uc;
+ LinkedVar(unsigned char) = linkPtr->lastValue.uc = (unsigned char) valueInt;
break;
case TCL_LINK_SHORT:
- if (Tcl_GetIntFromObj(interp, valueObj, &valueInt) != TCL_OK
+ if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
+ && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK)
|| valueInt < SHRT_MIN || valueInt > SHRT_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have short value";
}
- linkPtr->lastValue.s = (short)valueInt;
- LinkedVar(short) = linkPtr->lastValue.s;
+ LinkedVar(short) = linkPtr->lastValue.s = (short)valueInt;
break;
case TCL_LINK_USHORT:
- if (Tcl_GetIntFromObj(interp, valueObj, &valueInt) != TCL_OK
+ if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK
+ && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK)
|| valueInt < 0 || valueInt > USHRT_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have unsigned short value";
}
- linkPtr->lastValue.us = (unsigned short)valueInt;
- LinkedVar(unsigned short) = linkPtr->lastValue.us;
+ LinkedVar(unsigned short) = linkPtr->lastValue.us = (unsigned short)valueInt;
break;
case TCL_LINK_UINT:
- if (Tcl_GetWideIntFromObj(interp, valueObj, &valueWide) != TCL_OK
+ if ((Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
+ && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK)
|| valueWide < 0 || valueWide > UINT_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have unsigned int value";
}
- linkPtr->lastValue.ui = (unsigned int)valueWide;
- LinkedVar(unsigned int) = linkPtr->lastValue.ui;
+ LinkedVar(unsigned int) = linkPtr->lastValue.ui = (unsigned int)valueWide;
break;
+#if !defined(TCL_WIDE_INT_IS_LONG) && !defined(_WIN32) && !defined(__CYGWIN__)
case TCL_LINK_LONG:
- if (Tcl_GetWideIntFromObj(interp, valueObj, &valueWide) != TCL_OK
+ if ((Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
+ && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK)
|| valueWide < LONG_MIN || valueWide > LONG_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have long value";
}
- linkPtr->lastValue.l = (long)valueWide;
- LinkedVar(long) = linkPtr->lastValue.l;
+ LinkedVar(long) = linkPtr->lastValue.l = (long)valueWide;
break;
case TCL_LINK_ULONG:
- if (Tcl_GetWideIntFromObj(interp, valueObj, &valueWide) != TCL_OK
+ if ((Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
+ && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK)
|| valueWide < 0 || (Tcl_WideUInt) valueWide > ULONG_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have unsigned long value";
}
- linkPtr->lastValue.ul = (unsigned long)valueWide;
- LinkedVar(unsigned long) = linkPtr->lastValue.ul;
+ LinkedVar(unsigned long) = linkPtr->lastValue.ul = (unsigned long)valueWide;
break;
+#endif
case TCL_LINK_WIDE_UINT:
/*
* FIXME: represent as a bignum.
*/
- if (Tcl_GetWideIntFromObj(interp, valueObj, &valueWide) != TCL_OK) {
+ if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK
+ && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have unsigned wide int value";
}
- linkPtr->lastValue.uw = (Tcl_WideUInt)valueWide;
- LinkedVar(Tcl_WideUInt) = linkPtr->lastValue.uw;
+ LinkedVar(Tcl_WideUInt) = linkPtr->lastValue.uw = (Tcl_WideUInt)valueWide;
break;
case TCL_LINK_FLOAT:
- if (Tcl_GetDoubleFromObj(interp, valueObj, &valueDouble) != TCL_OK
+ if ((Tcl_GetDoubleFromObj(NULL, valueObj, &valueDouble) != TCL_OK
+ && GetInvalidDoubleFromObj(valueObj, &valueDouble) != TCL_OK)
|| valueDouble < -FLT_MAX || valueDouble > FLT_MAX) {
Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
TCL_GLOBAL_ONLY);
return (char *) "variable must have float value";
}
- linkPtr->lastValue.f = (float)valueDouble;
- LinkedVar(float) = linkPtr->lastValue.f;
+ LinkedVar(float) = linkPtr->lastValue.f = (float)valueDouble;
break;
case TCL_LINK_STRING:
- value = Tcl_GetStringFromObj(valueObj, &valueLength);
- valueLength++;
+ value = TclGetString(valueObj);
+ valueLength = valueObj->length + 1;
pp = (char **) linkPtr->addr;
*pp = ckrealloc(*pp, valueLength);
- memcpy(*pp, value, (unsigned) valueLength);
+ memcpy(*pp, value, valueLength);
break;
default:
@@ -577,7 +595,7 @@ ObjValue(
return Tcl_NewDoubleObj(linkPtr->lastValue.d);
case TCL_LINK_BOOLEAN:
linkPtr->lastValue.i = LinkedVar(int);
- return Tcl_NewBooleanObj(linkPtr->lastValue.i != 0);
+ return Tcl_NewBooleanObj(linkPtr->lastValue.i);
case TCL_LINK_CHAR:
linkPtr->lastValue.c = LinkedVar(char);
return Tcl_NewIntObj(linkPtr->lastValue.c);
@@ -593,12 +611,14 @@ ObjValue(
case TCL_LINK_UINT:
linkPtr->lastValue.ui = LinkedVar(unsigned int);
return Tcl_NewWideIntObj((Tcl_WideInt) linkPtr->lastValue.ui);
+#if !defined(TCL_WIDE_INT_IS_LONG) && !defined(_WIN32) && !defined(__CYGWIN__)
case TCL_LINK_LONG:
linkPtr->lastValue.l = LinkedVar(long);
return Tcl_NewWideIntObj((Tcl_WideInt) linkPtr->lastValue.l);
case TCL_LINK_ULONG:
linkPtr->lastValue.ul = LinkedVar(unsigned long);
return Tcl_NewWideIntObj((Tcl_WideInt) linkPtr->lastValue.ul);
+#endif
case TCL_LINK_FLOAT:
linkPtr->lastValue.f = LinkedVar(float);
return Tcl_NewDoubleObj(linkPtr->lastValue.f);
@@ -626,6 +646,108 @@ ObjValue(
return resultObj;
}
}
+
+static int SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);
+
+static Tcl_ObjType invalidRealType = {
+ "invalidReal", /* name */
+ NULL, /* freeIntRepProc */
+ NULL, /* dupIntRepProc */
+ NULL, /* updateStringProc */
+ SetInvalidRealFromAny /* setFromAnyProc */
+};
+
+static int
+SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr) {
+ const char *str;
+ const char *endPtr;
+
+ str = TclGetString(objPtr);
+ if ((objPtr->length == 1) && (str[0] == '.')){
+ objPtr->typePtr = &invalidRealType;
+ objPtr->internalRep.doubleValue = 0.0;
+ return TCL_OK;
+ }
+ if (TclParseNumber(NULL, objPtr, NULL, str, objPtr->length, &endPtr,
+ TCL_PARSE_DECIMAL_ONLY) == TCL_OK) {
+ /* If number is followed by [eE][+-]?, then it is an invalid
+ * double, but it could be the start of a valid double. */
+ if (*endPtr == 'e' || *endPtr == 'E') {
+ ++endPtr;
+ if (*endPtr == '+' || *endPtr == '-') ++endPtr;
+ if (*endPtr == 0) {
+ double doubleValue = 0.0;
+ Tcl_GetDoubleFromObj(NULL, objPtr, &doubleValue);
+ TclFreeIntRep(objPtr);
+ objPtr->typePtr = &invalidRealType;
+ objPtr->internalRep.doubleValue = doubleValue;
+ return TCL_OK;
+ }
+ }
+ }
+ return TCL_ERROR;
+}
+
+
+/*
+ * This function checks for integer representations, which are valid
+ * when linking with C variables, but which are invalid in other
+ * contexts in Tcl. Handled are "+", "-", "", "0x", "0b" and "0o"
+ * (upperand lowercase). See bug [39f6304c2e].
+ */
+int
+GetInvalidIntFromObj(Tcl_Obj *objPtr, int *intPtr)
+{
+ const char *str = TclGetString(objPtr);
+
+ if ((objPtr->length == 0) ||
+ ((objPtr->length == 2) && (str[0] == '0') && strchr("xXbBoO", str[1]))) {
+ *intPtr = 0;
+ return TCL_OK;
+ } else if ((objPtr->length == 1) && strchr("+-", str[0])) {
+ *intPtr = (str[0] == '+');
+ return TCL_OK;
+ }
+ return TCL_ERROR;
+}
+
+int
+GetInvalidWideFromObj(Tcl_Obj *objPtr, Tcl_WideInt *widePtr)
+{
+ int intValue;
+
+ if (GetInvalidIntFromObj(objPtr, &intValue) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ *widePtr = intValue;
+ return TCL_OK;
+}
+
+/*
+ * This function checks for double representations, which are valid
+ * when linking with C variables, but which are invalid in other
+ * contexts in Tcl. Handled are "+", "-", "", ".", "0x", "0b" and "0o"
+ * (upper- and lowercase) and sequences like "1e-". See bug [39f6304c2e].
+ */
+int
+GetInvalidDoubleFromObj(Tcl_Obj *objPtr, double *doublePtr)
+{
+ int intValue;
+
+ if (objPtr->typePtr == &invalidRealType) {
+ goto gotdouble;
+ }
+ if (GetInvalidIntFromObj(objPtr, &intValue) == TCL_OK) {
+ *doublePtr = (double) intValue;
+ return TCL_OK;
+ }
+ if (SetInvalidRealFromAny(NULL, objPtr) == TCL_OK) {
+ gotdouble:
+ *doublePtr = objPtr->internalRep.doubleValue;
+ return TCL_OK;
+ }
+ return TCL_ERROR;
+}
/*
* Local Variables:
generated by cgit v0.12 at 2024-11-21 14:03:56 (GMT)