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-rw-r--r--generic/tclPkg.c108
1 files changed, 63 insertions, 45 deletions
diff --git a/generic/tclPkg.c b/generic/tclPkg.c
index aed80c0..67503cb 100644
--- a/generic/tclPkg.c
+++ b/generic/tclPkg.c
@@ -46,7 +46,7 @@ typedef struct Package {
* exist in this interpreter yet. */
PkgAvail *availPtr; /* First in list of all available versions of
* this package. */
- ClientData clientData; /* Client data. */
+ const void *clientData; /* Client data. */
} Package;
/*
@@ -71,7 +71,7 @@ static void AddRequirementsToDString(Tcl_DString *dstring,
static Package * FindPackage(Tcl_Interp *interp, const char *name);
static const char * PkgRequireCore(Tcl_Interp *interp, const char *name,
int reqc, Tcl_Obj *const reqv[],
- ClientData *clientDataPtr);
+ void *clientDataPtr);
/*
* Helper macros.
@@ -122,7 +122,7 @@ Tcl_PkgProvideEx(
* available. */
const char *name, /* Name of package. */
const char *version, /* Version string for package. */
- ClientData clientData) /* clientdata for this package (normally used
+ const void *clientData) /* clientdata for this package (normally used
* for C callback function table) */
{
Package *pkgPtr;
@@ -156,6 +156,7 @@ Tcl_PkgProvideEx(
}
Tcl_AppendResult(interp, "conflicting versions provided for package \"",
name, "\": ", pkgPtr->version, ", then ", version, NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT", NULL);
return TCL_ERROR;
}
@@ -210,7 +211,7 @@ Tcl_PkgRequireEx(
int exact, /* Non-zero means that only the particular
* version given is acceptable. Zero means use
* the latest compatible version. */
- ClientData *clientDataPtr) /* Used to return the client data for this
+ void *clientDataPtr) /* Used to return the client data for this
* package. If it is NULL then the client data
* is not returned. This is unchanged if this
* call fails for any reason. */
@@ -286,6 +287,7 @@ Tcl_PkgRequireEx(
Tcl_AppendResult(interp, "Cannot load package \"", name,
"\" in standalone executable: This package is not "
"compiled with stub support", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNSTUBBED", NULL);
return NULL;
}
@@ -321,7 +323,7 @@ Tcl_PkgRequireProc(
* version. */
Tcl_Obj *const reqv[], /* 0 means to use the latest version
* available. */
- ClientData *clientDataPtr)
+ void *clientDataPtr)
{
const char *result =
PkgRequireCore(interp, name, reqc, reqv, clientDataPtr);
@@ -342,7 +344,7 @@ PkgRequireCore(
* version. */
Tcl_Obj *const reqv[], /* 0 means to use the latest version
* available. */
- ClientData *clientDataPtr)
+ void *clientDataPtr)
{
Interp *iPtr = (Interp *) interp;
Package *pkgPtr;
@@ -376,6 +378,7 @@ PkgRequireCore(
"attempt to provide ", name, " ",
(char *) pkgPtr->clientData, " requires ", name, NULL);
AddRequirementsToResult(interp, reqc, reqv);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "CIRCULARITY", NULL);
return NULL;
}
@@ -422,7 +425,9 @@ PkgRequireCore(
}
}
- /* We have found a version which is better than our max. */
+ /*
+ * We have found a version which is better than our max.
+ */
if (reqc > 0) {
/* Check satisfaction of requirements. */
@@ -475,14 +480,14 @@ PkgRequireCore(
* will still exist when the script completes.
*/
- const char *versionToProvide = bestPtr->version;
+ char *versionToProvide = bestPtr->version;
script = bestPtr->script;
- pkgPtr->clientData = (ClientData) versionToProvide;
- Tcl_Preserve((ClientData) script);
- Tcl_Preserve((ClientData) versionToProvide);
+ pkgPtr->clientData = versionToProvide;
+ Tcl_Preserve(script);
+ Tcl_Preserve(versionToProvide);
code = Tcl_EvalEx(interp, script, -1, TCL_EVAL_GLOBAL);
- Tcl_Release((ClientData) script);
+ Tcl_Release(script);
pkgPtr = FindPackage(interp, name);
if (code == TCL_OK) {
@@ -493,6 +498,8 @@ PkgRequireCore(
name, " ", versionToProvide,
" failed: no version of package ", name,
" provided", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNPROVIDED",
+ NULL);
} else {
char *pvi, *vi;
@@ -515,6 +522,8 @@ PkgRequireCore(
versionToProvide, " failed: package ",
name, " ", pkgPtr->version,
" provided instead", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE",
+ "WRONGPROVIDE", NULL);
}
}
}
@@ -525,6 +534,7 @@ PkgRequireCore(
Tcl_AppendResult(interp, "attempt to provide package ", name,
" ", versionToProvide, " failed: bad return code: ",
TclGetString(codePtr), NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "BADRESULT", NULL);
TclDecrRefCount(codePtr);
code = TCL_ERROR;
}
@@ -534,7 +544,7 @@ PkgRequireCore(
"\n (\"package ifneeded %s %s\" script)",
name, versionToProvide));
}
- Tcl_Release((ClientData) versionToProvide);
+ Tcl_Release(versionToProvide);
if (code != TCL_OK) {
/*
@@ -582,9 +592,11 @@ PkgRequireCore(
if ((code != TCL_OK) && (code != TCL_ERROR)) {
Tcl_Obj *codePtr = Tcl_NewIntObj(code);
+
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "bad return code: ",
TclGetString(codePtr), NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "BADRESULT", NULL);
Tcl_DecrRefCount(codePtr);
code = TCL_ERROR;
}
@@ -599,6 +611,7 @@ PkgRequireCore(
if (pkgPtr->version == NULL) {
Tcl_AppendResult(interp, "can't find package ", name, NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNFOUND", NULL);
AddRequirementsToResult(interp, reqc, reqv);
return NULL;
}
@@ -608,26 +621,28 @@ PkgRequireCore(
* provided version meets the current requirements.
*/
- if (reqc == 0) {
- satisfies = 1;
- } else {
+ if (reqc != 0) {
CheckVersionAndConvert(interp, pkgPtr->version, &pkgVersionI, NULL);
satisfies = SomeRequirementSatisfied(pkgVersionI, reqc, reqv);
ckfree(pkgVersionI);
- }
- if (satisfies) {
- if (clientDataPtr) {
- *clientDataPtr = pkgPtr->clientData;
+ if (!satisfies) {
+ Tcl_AppendResult(interp, "version conflict for package \"", name,
+ "\": have ", pkgPtr->version, ", need", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT",
+ NULL);
+ AddRequirementsToResult(interp, reqc, reqv);
+ return NULL;
}
- return pkgPtr->version;
}
- Tcl_AppendResult(interp, "version conflict for package \"", name,
- "\": have ", pkgPtr->version, ", need", NULL);
- AddRequirementsToResult(interp, reqc, reqv);
- return NULL;
+ if (clientDataPtr) {
+ const void **ptr = (const void **) clientDataPtr;
+
+ *ptr = pkgPtr->clientData;
+ }
+ return pkgPtr->version;
}
/*
@@ -675,7 +690,7 @@ Tcl_PkgPresentEx(
int exact, /* Non-zero means that only the particular
* version given is acceptable. Zero means use
* the latest compatible version. */
- ClientData *clientDataPtr) /* Used to return the client data for this
+ void *clientDataPtr) /* Used to return the client data for this
* package. If it is NULL then the client data
* is not returned. This is unchanged if this
* call fails for any reason. */
@@ -740,7 +755,7 @@ Tcl_PackageObjCmd(
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
- static const char *pkgOptions[] = {
+ static const char *const pkgOptions[] = {
"forget", "ifneeded", "names", "prefer", "present",
"provide", "require", "unknown", "vcompare", "versions",
"vsatisfies", NULL
@@ -758,10 +773,11 @@ Tcl_PackageObjCmd(
Tcl_HashSearch search;
Tcl_HashTable *tablePtr;
const char *version;
- char *argv2, *argv3, *argv4, *iva = NULL, *ivb = NULL;
+ const char *argv2, *argv3, *argv4;
+ char *iva = NULL, *ivb = NULL;
if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?");
+ Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
return TCL_ERROR;
}
@@ -771,7 +787,7 @@ Tcl_PackageObjCmd(
}
switch ((enum pkgOptions) optionIndex) {
case PKG_FORGET: {
- char *keyString;
+ const char *keyString;
for (i = 2; i < objc; i++) {
keyString = TclGetString(objv[i]);
@@ -787,11 +803,11 @@ Tcl_PackageObjCmd(
while (pkgPtr->availPtr != NULL) {
availPtr = pkgPtr->availPtr;
pkgPtr->availPtr = availPtr->nextPtr;
- Tcl_EventuallyFree((ClientData)availPtr->version, TCL_DYNAMIC);
- Tcl_EventuallyFree((ClientData)availPtr->script, TCL_DYNAMIC);
- ckfree((char *) availPtr);
+ Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
+ Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
+ ckfree(availPtr);
}
- ckfree((char *) pkgPtr);
+ ckfree(pkgPtr);
}
break;
}
@@ -837,7 +853,7 @@ Tcl_PackageObjCmd(
Tcl_SetResult(interp, availPtr->script, TCL_VOLATILE);
return TCL_OK;
}
- Tcl_EventuallyFree((ClientData)availPtr->script, TCL_DYNAMIC);
+ Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
break;
}
}
@@ -847,7 +863,7 @@ Tcl_PackageObjCmd(
return TCL_OK;
}
if (availPtr == NULL) {
- availPtr = (PkgAvail *) ckalloc(sizeof(PkgAvail));
+ availPtr = ckalloc(sizeof(PkgAvail));
DupBlock(availPtr->version, argv3, (unsigned) length + 1);
if (prevPtr == NULL) {
@@ -947,7 +963,7 @@ Tcl_PackageObjCmd(
if (objc < 3) {
requireSyntax:
Tcl_WrongNumArgs(interp, 2, objv,
- "?-exact? package ?requirement...?");
+ "?-exact? package ?requirement ...?");
return TCL_ERROR;
}
@@ -1013,7 +1029,7 @@ Tcl_PackageObjCmd(
break;
}
case PKG_PREFER: {
- static const char *pkgPreferOptions[] = {
+ static const char *const pkgPreferOptions[] = {
"latest", "stable", NULL
};
@@ -1098,7 +1114,7 @@ Tcl_PackageObjCmd(
if (objc < 4) {
Tcl_WrongNumArgs(interp, 2, objv,
- "version requirement requirement...");
+ "version ?requirement ...?");
return TCL_ERROR;
}
@@ -1152,7 +1168,7 @@ FindPackage(
hPtr = Tcl_CreateHashEntry(&iPtr->packageTable, name, &isNew);
if (isNew) {
- pkgPtr = (Package *) ckalloc(sizeof(Package));
+ pkgPtr = ckalloc(sizeof(Package));
pkgPtr->version = NULL;
pkgPtr->availPtr = NULL;
pkgPtr->clientData = NULL;
@@ -1198,11 +1214,11 @@ TclFreePackageInfo(
while (pkgPtr->availPtr != NULL) {
availPtr = pkgPtr->availPtr;
pkgPtr->availPtr = availPtr->nextPtr;
- Tcl_EventuallyFree((ClientData)availPtr->version, TCL_DYNAMIC);
- Tcl_EventuallyFree((ClientData)availPtr->script, TCL_DYNAMIC);
- ckfree((char *) availPtr);
+ Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
+ Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
+ ckfree(availPtr);
}
- ckfree((char *) pkgPtr);
+ ckfree(pkgPtr);
}
Tcl_DeleteHashTable(&iPtr->packageTable);
if (iPtr->packageUnknown != NULL) {
@@ -1326,6 +1342,7 @@ CheckVersionAndConvert(
ckfree(ibuf);
Tcl_AppendResult(interp, "expected version number but got \"", string,
"\"", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "VALUE", "VERSION", NULL);
return TCL_ERROR;
}
@@ -1588,6 +1605,7 @@ CheckRequirement(
Tcl_AppendResult(interp, "expected versionMin-versionMax but got \"",
string, "\"", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "VALUE", "VERSIONRANGE", NULL);
return TCL_ERROR;
}
@@ -1643,7 +1661,7 @@ AddRequirementsToResult(
for (i = 0; i < reqc; i++) {
int length;
- char *v = Tcl_GetStringFromObj(reqv[i], &length);
+ const char *v = Tcl_GetStringFromObj(reqv[i], &length);
if ((length & 0x1) && (v[length/2] == '-')
&& (strncmp(v, v+((length+1)/2), length/2) == 0)) {