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-rw-r--r--generic/tclIndexObj.c155
1 files changed, 85 insertions, 70 deletions
diff --git a/generic/tclIndexObj.c b/generic/tclIndexObj.c
index 8651542..ce8b9fb 100644
--- a/generic/tclIndexObj.c
+++ b/generic/tclIndexObj.c
@@ -53,7 +53,7 @@ static const Tcl_ObjType indexType = {
/*
* The definition of the internal representation of the "index" object; The
- * internalRep.otherValuePtr field of an object of "index" type will be a
+ * internalRep.twoPtrValue.ptr1 field of an object of "index" type will be a
* pointer to one of these structures.
*
* Keep this structure declaration in sync with tclTestObj.c
@@ -69,12 +69,12 @@ typedef struct {
* The following macros greatly simplify moving through a table...
*/
-#define STRING_AT(table, offset, index) \
- (*((const char *const *)(((char *)(table)) + ((offset) * (index)))))
+#define STRING_AT(table, offset) \
+ (*((const char *const *)(((char *)(table)) + (offset))))
#define NEXT_ENTRY(table, offset) \
- (&(STRING_AT(table, offset, 1)))
+ (&(STRING_AT(table, offset)))
#define EXPAND_OF(indexRep) \
- STRING_AT((indexRep)->tablePtr, (indexRep)->offset, (indexRep)->index)
+ STRING_AT((indexRep)->tablePtr, (indexRep)->offset*(indexRep)->index)
/*
*----------------------------------------------------------------------
@@ -101,6 +101,7 @@ typedef struct {
*----------------------------------------------------------------------
*/
+#undef Tcl_GetIndexFromObj
int
Tcl_GetIndexFromObj(
Tcl_Interp *interp, /* Used for error reporting if not NULL. */
@@ -121,7 +122,7 @@ Tcl_GetIndexFromObj(
*/
if (objPtr->typePtr == &indexType) {
- IndexRep *indexRep = objPtr->internalRep.otherValuePtr;
+ IndexRep *indexRep = objPtr->internalRep.twoPtrValue.ptr1;
/*
* Here's hoping we don't get hit by unfortunate packing constraints
@@ -238,7 +239,7 @@ GetIndexFromObjList(
* a proper match, then TCL_ERROR is returned and an error message is
* left in interp's result (unless interp is NULL). The msg argument is
* used in the error message; for example, if msg has the value "option"
- * then the error message will say something flag 'bad option "foo": must
+ * then the error message will say something like 'bad option "foo": must
* be ...'
*
* Side effects:
@@ -270,12 +271,16 @@ Tcl_GetIndexFromObjStruct(
Tcl_Obj *resultPtr;
IndexRep *indexRep;
+ /* Protect against invalid values, like -1 or 0. */
+ if (offset < (int)sizeof(char *)) {
+ offset = (int)sizeof(char *);
+ }
/*
* See if there is a valid cached result from a previous lookup.
*/
if (objPtr->typePtr == &indexType) {
- indexRep = objPtr->internalRep.otherValuePtr;
+ indexRep = objPtr->internalRep.twoPtrValue.ptr1;
if (indexRep->tablePtr==tablePtr && indexRep->offset==offset) {
*indexPtr = indexRep->index;
return TCL_OK;
@@ -336,11 +341,11 @@ Tcl_GetIndexFromObjStruct(
*/
if (objPtr->typePtr == &indexType) {
- indexRep = objPtr->internalRep.otherValuePtr;
+ indexRep = objPtr->internalRep.twoPtrValue.ptr1;
} else {
TclFreeIntRep(objPtr);
indexRep = ckalloc(sizeof(IndexRep));
- objPtr->internalRep.otherValuePtr = indexRep;
+ objPtr->internalRep.twoPtrValue.ptr1 = indexRep;
objPtr->typePtr = &indexType;
}
indexRep->tablePtr = (void *) tablePtr;
@@ -356,26 +361,31 @@ Tcl_GetIndexFromObjStruct(
* Produce a fancy error message.
*/
- int count;
+ int count = 0;
TclNewObj(resultPtr);
+ entryPtr = tablePtr;
+ while ((*entryPtr != NULL) && !**entryPtr) {
+ entryPtr = NEXT_ENTRY(entryPtr, offset);
+ }
Tcl_AppendStringsToObj(resultPtr,
(numAbbrev>1 && !(flags & TCL_EXACT) ? "ambiguous " : "bad "),
msg, " \"", key, NULL);
- if (STRING_AT(tablePtr, offset, 0) == NULL) {
+ if (*entryPtr == NULL) {
Tcl_AppendStringsToObj(resultPtr, "\": no valid options", NULL);
} else {
Tcl_AppendStringsToObj(resultPtr, "\": must be ",
- STRING_AT(tablePtr, offset, 0), NULL);
- for (entryPtr = NEXT_ENTRY(tablePtr, offset), count = 0;
- *entryPtr != NULL;
- entryPtr = NEXT_ENTRY(entryPtr, offset), count++) {
+ *entryPtr, NULL);
+ entryPtr = NEXT_ENTRY(entryPtr, offset);
+ while (*entryPtr != NULL) {
if (*NEXT_ENTRY(entryPtr, offset) == NULL) {
Tcl_AppendStringsToObj(resultPtr, (count > 0 ? "," : ""),
" or ", *entryPtr, NULL);
- } else {
+ } else if (**entryPtr) {
Tcl_AppendStringsToObj(resultPtr, ", ", *entryPtr, NULL);
+ count++;
}
+ entryPtr = NEXT_ENTRY(entryPtr, offset);
}
}
Tcl_SetObjResult(interp, resultPtr);
@@ -438,7 +448,7 @@ static void
UpdateStringOfIndex(
Tcl_Obj *objPtr)
{
- IndexRep *indexRep = objPtr->internalRep.otherValuePtr;
+ IndexRep *indexRep = objPtr->internalRep.twoPtrValue.ptr1;
register char *buf;
register unsigned len;
register const char *indexStr = EXPAND_OF(indexRep);
@@ -473,11 +483,11 @@ DupIndex(
Tcl_Obj *srcPtr,
Tcl_Obj *dupPtr)
{
- IndexRep *srcIndexRep = srcPtr->internalRep.otherValuePtr;
+ IndexRep *srcIndexRep = srcPtr->internalRep.twoPtrValue.ptr1;
IndexRep *dupIndexRep = ckalloc(sizeof(IndexRep));
memcpy(dupIndexRep, srcIndexRep, sizeof(IndexRep));
- dupPtr->internalRep.otherValuePtr = dupIndexRep;
+ dupPtr->internalRep.twoPtrValue.ptr1 = dupIndexRep;
dupPtr->typePtr = &indexType;
}
@@ -502,7 +512,7 @@ static void
FreeIndex(
Tcl_Obj *objPtr)
{
- ckfree(objPtr->internalRep.otherValuePtr);
+ ckfree(objPtr->internalRep.twoPtrValue.ptr1);
objPtr->typePtr = NULL;
}
@@ -528,9 +538,9 @@ TclInitPrefixCmd(
Tcl_Interp *interp) /* Current interpreter. */
{
static const EnsembleImplMap prefixImplMap[] = {
- {"all", PrefixAllObjCmd, NULL, NULL, NULL, 0},
- {"longest", PrefixLongestObjCmd, NULL, NULL, NULL, 0},
- {"match", PrefixMatchObjCmd, NULL, NULL, NULL, 0},
+ {"all", PrefixAllObjCmd, TclCompileBasic2ArgCmd, NULL, NULL, 0},
+ {"longest", PrefixLongestObjCmd,TclCompileBasic2ArgCmd, NULL, NULL, 0},
+ {"match", PrefixMatchObjCmd, TclCompileBasicMin2ArgCmd, NULL, NULL, 0},
{NULL, NULL, NULL, NULL, NULL, 0}
};
Tcl_Command prefixCmd;
@@ -591,8 +601,9 @@ PrefixMatchObjCmd(
flags |= TCL_EXACT;
break;
case PRFMATCH_MESSAGE:
- if (i > (objc - 4)) {
- Tcl_AppendResult(interp, "missing message", NULL);
+ if (i > objc-4) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "missing value for -message", -1));
Tcl_SetErrorCode(interp, "TCL", "OPERATION", "NOARG", NULL);
return TCL_ERROR;
}
@@ -601,7 +612,8 @@ PrefixMatchObjCmd(
break;
case PRFMATCH_ERROR:
if (i > objc-4) {
- Tcl_AppendResult(interp, "missing error options", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "missing value for -error", -1));
Tcl_SetErrorCode(interp, "TCL", "OPERATION", "NOARG", NULL);
return TCL_ERROR;
}
@@ -611,8 +623,9 @@ PrefixMatchObjCmd(
return TCL_ERROR;
}
if ((errorLength % 2) != 0) {
- Tcl_AppendResult(interp, "error options must have an even"
- " number of elements", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "error options must have an even number of elements",
+ -1));
Tcl_SetErrorCode(interp, "TCL", "VALUE", "DICTIONARY", NULL);
return TCL_ERROR;
}
@@ -940,13 +953,13 @@ Tcl_WrongNumArgs(
if (origObjv[i]->typePtr == &indexType) {
register IndexRep *indexRep =
- origObjv[i]->internalRep.otherValuePtr;
+ origObjv[i]->internalRep.twoPtrValue.ptr1;
elementStr = EXPAND_OF(indexRep);
elemLen = strlen(elementStr);
} else if (origObjv[i]->typePtr == &tclEnsembleCmdType) {
register EnsembleCmdRep *ecrPtr =
- origObjv[i]->internalRep.otherValuePtr;
+ origObjv[i]->internalRep.twoPtrValue.ptr1;
elementStr = ecrPtr->fullSubcmdName;
elemLen = strlen(elementStr);
@@ -995,12 +1008,12 @@ Tcl_WrongNumArgs(
*/
if (objv[i]->typePtr == &indexType) {
- register IndexRep *indexRep = objv[i]->internalRep.otherValuePtr;
+ register IndexRep *indexRep = objv[i]->internalRep.twoPtrValue.ptr1;
Tcl_AppendStringsToObj(objPtr, EXPAND_OF(indexRep), NULL);
} else if (objv[i]->typePtr == &tclEnsembleCmdType) {
register EnsembleCmdRep *ecrPtr =
- objv[i]->internalRep.otherValuePtr;
+ objv[i]->internalRep.twoPtrValue.ptr1;
Tcl_AppendStringsToObj(objPtr, ecrPtr->fullSubcmdName, NULL);
} else {
@@ -1165,8 +1178,8 @@ Tcl_ParseArgsObjv(
goto gotMatch;
}
if (matchPtr != NULL) {
- Tcl_AppendResult(interp, "ambiguous option \"", str, "\"",
- NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "ambiguous option \"%s\"", str));
goto error;
}
matchPtr = infoPtr;
@@ -1178,8 +1191,8 @@ Tcl_ParseArgsObjv(
*/
if (remObjv == NULL) {
- Tcl_AppendResult(interp, "unrecognized argument \"", str,
- "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "unrecognized argument \"%s\"", str));
goto error;
}
@@ -1204,9 +1217,9 @@ Tcl_ParseArgsObjv(
}
if (Tcl_GetIntFromObj(interp, objv[srcIndex],
(int *) infoPtr->dstPtr) == TCL_ERROR) {
- Tcl_AppendResult(interp, "expected integer argument for \"",
- infoPtr->keyStr, "\" but got \"",
- Tcl_GetString(objv[srcIndex]), "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "expected integer argument for \"%s\" but got \"%s\"",
+ infoPtr->keyStr, Tcl_GetString(objv[srcIndex])));
goto error;
}
srcIndex++;
@@ -1237,9 +1250,9 @@ Tcl_ParseArgsObjv(
}
if (Tcl_GetDoubleFromObj(interp, objv[srcIndex],
(double *) infoPtr->dstPtr) == TCL_ERROR) {
- Tcl_AppendResult(interp, "expected floating-point argument ",
- "for \"", infoPtr->keyStr, "\" but got \"",
- Tcl_GetString(objv[srcIndex]), "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "expected floating-point argument for \"%s\" but got \"%s\"",
+ infoPtr->keyStr, Tcl_GetString(objv[srcIndex])));
goto error;
}
srcIndex++;
@@ -1313,8 +1326,8 @@ Tcl_ParseArgsObjv(
*/
missingArg:
- Tcl_AppendResult(interp, "\"", str,
- "\" option requires an additional argument", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "\"%s\" option requires an additional argument", str));
error:
if (leftovers != NULL) {
ckfree(leftovers);
@@ -1350,8 +1363,9 @@ PrintUsage(
register const Tcl_ArgvInfo *infoPtr;
int width, numSpaces;
#define NUM_SPACES 20
- static char spaces[] = " ";
+ static const char spaces[] = " ";
char tmp[TCL_DOUBLE_SPACE];
+ Tcl_Obj *msg;
/*
* First, compute the width of the widest option key, so that we can make
@@ -1375,39 +1389,39 @@ PrintUsage(
* Now add the option information, with pretty-printing.
*/
- Tcl_AppendResult(interp, "Command-specific options:", NULL);
+ msg = Tcl_NewStringObj("Command-specific options:", -1);
for (infoPtr = argTable; infoPtr->type != TCL_ARGV_END; infoPtr++) {
if ((infoPtr->type == TCL_ARGV_HELP) && (infoPtr->keyStr == NULL)) {
- Tcl_AppendResult(interp, "\n", infoPtr->helpStr, NULL);
+ Tcl_AppendPrintfToObj(msg, "\n%s", infoPtr->helpStr);
continue;
}
- Tcl_AppendResult(interp, "\n ", infoPtr->keyStr, ":", NULL);
+ Tcl_AppendPrintfToObj(msg, "\n %s:", infoPtr->keyStr);
numSpaces = width + 1 - strlen(infoPtr->keyStr);
while (numSpaces > 0) {
if (numSpaces >= NUM_SPACES) {
- Tcl_AppendResult(interp, spaces, NULL);
+ Tcl_AppendToObj(msg, spaces, NUM_SPACES);
} else {
- Tcl_AppendResult(interp, spaces+NUM_SPACES-numSpaces, NULL);
+ Tcl_AppendToObj(msg, spaces, numSpaces);
}
numSpaces -= NUM_SPACES;
}
- Tcl_AppendResult(interp, infoPtr->helpStr, NULL);
+ Tcl_AppendToObj(msg, infoPtr->helpStr, -1);
switch (infoPtr->type) {
case TCL_ARGV_INT:
- sprintf(tmp, "%d", *((int *) infoPtr->dstPtr));
- Tcl_AppendResult(interp, "\n\t\tDefault value: ", tmp, NULL);
+ Tcl_AppendPrintfToObj(msg, "\n\t\tDefault value: %d",
+ *((int *) infoPtr->dstPtr));
break;
case TCL_ARGV_FLOAT:
+ Tcl_AppendPrintfToObj(msg, "\n\t\tDefault value: %g",
+ *((double *) infoPtr->dstPtr));
sprintf(tmp, "%g", *((double *) infoPtr->dstPtr));
- Tcl_AppendResult(interp, "\n\t\tDefault value: ", tmp, NULL);
break;
case TCL_ARGV_STRING: {
- char *string;
+ char *string = *((char **) infoPtr->dstPtr);
- string = *((char **) infoPtr->dstPtr);
if (string != NULL) {
- Tcl_AppendResult(interp, "\n\t\tDefault value: \"", string,
- "\"", NULL);
+ Tcl_AppendPrintfToObj(msg, "\n\t\tDefault value: \"%s\"",
+ string);
}
break;
}
@@ -1415,6 +1429,7 @@ PrintUsage(
break;
}
}
+ Tcl_SetObjResult(interp, msg);
}
/*
@@ -1426,8 +1441,8 @@ PrintUsage(
*
* Results:
* Returns TCL_ERROR if the value is an invalid completion code.
- * Otherwise, returns TCL_OK, and writes the completion code to
- * the pointer provided.
+ * Otherwise, returns TCL_OK, and writes the completion code to the
+ * pointer provided.
*
* Side effects:
* None.
@@ -1439,30 +1454,30 @@ int
TclGetCompletionCodeFromObj(
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Obj *value,
- int *code) /* Argument objects. */
+ int *codePtr) /* Argument objects. */
{
static const char *const returnCodes[] = {
"ok", "error", "return", "break", "continue", NULL
};
if ((value->typePtr != &indexType)
- && (TCL_OK == TclGetIntFromObj(NULL, value, code))) {
+ && TclGetIntFromObj(NULL, value, codePtr) == TCL_OK) {
return TCL_OK;
}
- if (TCL_OK == Tcl_GetIndexFromObj(NULL, value, returnCodes, NULL,
- TCL_EXACT, code)) {
+ if (Tcl_GetIndexFromObj(NULL, value, returnCodes, NULL, TCL_EXACT,
+ codePtr) == TCL_OK) {
return TCL_OK;
}
+
/*
* Value is not a legal completion code.
*/
if (interp != NULL) {
- Tcl_ResetResult(interp);
- Tcl_AppendResult(interp, "bad completion code \"",
- TclGetString(value),
- "\": must be ok, error, return, break, "
- "continue, or an integer", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "bad completion code \"%s\": must be"
+ " ok, error, return, break, continue, or an integer",
+ TclGetString(value)));
Tcl_SetErrorCode(interp, "TCL", "RESULT", "ILLEGAL_CODE", NULL);
}
return TCL_ERROR;