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-rw-r--r--generic/tclLoad.c296
1 files changed, 167 insertions, 129 deletions
diff --git a/generic/tclLoad.c b/generic/tclLoad.c
index d54220f..7c70e03 100644
--- a/generic/tclLoad.c
+++ b/generic/tclLoad.c
@@ -132,9 +132,34 @@ Tcl_LoadObjCmd(
Tcl_LoadHandle loadHandle;
Tcl_UniChar ch;
unsigned len;
+ int index, flags = 0;
+ Tcl_Obj *const *savedobjv = objv;
+ static const char *const options[] = {
+ "-global", "-lazy", "--", NULL
+ };
+ enum options {
+ LOAD_GLOBAL, LOAD_LAZY, LOAD_LAST
+ };
+ while (objc > 2) {
+ if (TclGetString(objv[1])[0] != '-') {
+ break;
+ }
+ if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0,
+ &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ ++objv; --objc;
+ if (LOAD_GLOBAL == (enum options) index) {
+ flags |= TCL_LOAD_GLOBAL;
+ } else if (LOAD_LAZY == (enum options) index) {
+ flags |= TCL_LOAD_LAZY;
+ } else {
+ break;
+ }
+ }
if ((objc < 2) || (objc > 4)) {
- Tcl_WrongNumArgs(interp, 1, objv, "fileName ?packageName? ?interp?");
+ Tcl_WrongNumArgs(interp, 1, savedobjv, "?-global? ?-lazy? ?--? fileName ?packageName? ?interp?");
return TCL_ERROR;
}
if (Tcl_FSConvertToPathType(interp, objv[1]) != TCL_OK) {
@@ -157,9 +182,10 @@ Tcl_LoadObjCmd(
}
}
if ((fullFileName[0] == 0) && (packageName == NULL)) {
- Tcl_SetResult(interp,
- "must specify either file name or package name",
- TCL_STATIC);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "must specify either file name or package name", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LOAD", "NOLIBRARY",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -196,9 +222,9 @@ Tcl_LoadObjCmd(
if (packageName == NULL) {
namesMatch = 0;
} else {
- Tcl_DStringSetLength(&pkgName, 0);
+ TclDStringClear(&pkgName);
Tcl_DStringAppend(&pkgName, packageName, -1);
- Tcl_DStringSetLength(&tmp, 0);
+ TclDStringClear(&tmp);
Tcl_DStringAppend(&tmp, pkgPtr->packageName, -1);
Tcl_UtfToLower(Tcl_DStringValue(&pkgName));
Tcl_UtfToLower(Tcl_DStringValue(&tmp));
@@ -209,7 +235,7 @@ Tcl_LoadObjCmd(
namesMatch = 0;
}
}
- Tcl_DStringSetLength(&pkgName, 0);
+ TclDStringClear(&pkgName);
filesMatch = (strcmp(pkgPtr->fileName, fullFileName) == 0);
if (filesMatch && (namesMatch || (packageName == NULL))) {
@@ -223,9 +249,11 @@ Tcl_LoadObjCmd(
* Can't have two different packages loaded from the same file.
*/
- Tcl_AppendResult(interp, "file \"", fullFileName,
- "\" is already loaded for package \"",
- pkgPtr->packageName, "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "file \"%s\" is already loaded for package \"%s\"",
+ fullFileName, pkgPtr->packageName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LOAD",
+ "SPLITPERSONALITY", NULL);
code = TCL_ERROR;
Tcl_MutexUnlock(&packageMutex);
goto done;
@@ -259,8 +287,10 @@ Tcl_LoadObjCmd(
*/
if (fullFileName[0] == 0) {
- Tcl_AppendResult(interp, "package \"", packageName,
- "\" isn't loaded statically", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "package \"%s\" isn't loaded statically", packageName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LOAD", "NOTSTATIC",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -299,6 +329,12 @@ Tcl_LoadObjCmd(
&& (pkgGuess[2] == 'b')) {
pkgGuess += 3;
}
+#ifdef __CYGWIN__
+ if ((pkgGuess[0] == 'c') && (pkgGuess[1] == 'y')
+ && (pkgGuess[2] == 'g')) {
+ pkgGuess += 3;
+ }
+#endif /* __CYGWIN__ */
for (p = pkgGuess; *p != 0; p += offset) {
offset = Tcl_UtfToUniChar(p, &ch);
if ((ch > 0x100)
@@ -309,13 +345,15 @@ Tcl_LoadObjCmd(
}
if (p == pkgGuess) {
Tcl_DecrRefCount(splitPtr);
- Tcl_AppendResult(interp,
- "couldn't figure out package name for ",
- fullFileName, NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't figure out package name for %s",
+ fullFileName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LOAD",
+ "WHATPACKAGE", NULL);
code = TCL_ERROR;
goto done;
}
- Tcl_DStringAppend(&pkgName, pkgGuess, (p - pkgGuess));
+ Tcl_DStringAppend(&pkgName, pkgGuess, p - pkgGuess);
Tcl_DecrRefCount(splitPtr);
}
}
@@ -334,14 +372,14 @@ Tcl_LoadObjCmd(
* package name.
*/
- Tcl_DStringAppend(&initName, Tcl_DStringValue(&pkgName), -1);
- Tcl_DStringAppend(&initName, "_Init", 5);
- Tcl_DStringAppend(&safeInitName, Tcl_DStringValue(&pkgName), -1);
- Tcl_DStringAppend(&safeInitName, "_SafeInit", 9);
- Tcl_DStringAppend(&unloadName, Tcl_DStringValue(&pkgName), -1);
- Tcl_DStringAppend(&unloadName, "_Unload", 7);
- Tcl_DStringAppend(&safeUnloadName, Tcl_DStringValue(&pkgName), -1);
- Tcl_DStringAppend(&safeUnloadName, "_SafeUnload", 11);
+ TclDStringAppendDString(&initName, &pkgName);
+ TclDStringAppendLiteral(&initName, "_Init");
+ TclDStringAppendDString(&safeInitName, &pkgName);
+ TclDStringAppendLiteral(&safeInitName, "_SafeInit");
+ TclDStringAppendDString(&unloadName, &pkgName);
+ TclDStringAppendLiteral(&unloadName, "_Unload");
+ TclDStringAppendDString(&safeUnloadName, &pkgName);
+ TclDStringAppendLiteral(&safeUnloadName, "_SafeUnload");
/*
* Call platform-specific code to load the package and find the two
@@ -352,7 +390,7 @@ Tcl_LoadObjCmd(
symbols[1] = NULL;
Tcl_MutexLock(&packageMutex);
- code = Tcl_LoadFile(interp, objv[1], symbols, 0, &initProc,
+ code = Tcl_LoadFile(interp, objv[1], symbols, flags, &initProc,
&loadHandle);
Tcl_MutexUnlock(&packageMutex);
if (code != TCL_OK) {
@@ -363,7 +401,7 @@ Tcl_LoadObjCmd(
* Create a new record to describe this package.
*/
- pkgPtr = (LoadedPackage *) ckalloc(sizeof(LoadedPackage));
+ pkgPtr = ckalloc(sizeof(LoadedPackage));
len = strlen(fullFileName) + 1;
pkgPtr->fileName = ckalloc(len);
memcpy(pkgPtr->fileName, fullFileName, len);
@@ -378,7 +416,7 @@ Tcl_LoadObjCmd(
pkgPtr->unloadProc = (Tcl_PackageUnloadProc *)
Tcl_FindSymbol(interp, loadHandle,
Tcl_DStringValue(&unloadName));
- pkgPtr->safeUnloadProc = (Tcl_PackageUnloadProc *)
+ pkgPtr->safeUnloadProc = (Tcl_PackageUnloadProc *)
Tcl_FindSymbol(interp, loadHandle,
Tcl_DStringValue(&safeUnloadName));
pkgPtr->interpRefCount = 0;
@@ -404,48 +442,63 @@ Tcl_LoadObjCmd(
if (Tcl_IsSafe(target)) {
if (pkgPtr->safeInitProc == NULL) {
- Tcl_AppendResult(interp,
- "can't use package in a safe interpreter: no ",
- pkgPtr->packageName, "_SafeInit procedure", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't use package in a safe interpreter: no"
+ " %s_SafeInit procedure", pkgPtr->packageName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LOAD", "UNSAFE",
+ NULL);
code = TCL_ERROR;
goto done;
}
code = pkgPtr->safeInitProc(target);
} else {
+ if (pkgPtr->initProc == NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't attach package to interpreter: no %s_Init procedure",
+ pkgPtr->packageName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LOAD", "ENTRYPOINT",
+ NULL);
+ code = TCL_ERROR;
+ goto done;
+ }
code = pkgPtr->initProc(target);
}
/*
- * Record the fact that the package has been loaded in the target
- * interpreter.
+ * Test for whether the initialization failed. If so, transfer the error
+ * from the target interpreter to the originating one.
*/
- if (code == TCL_OK) {
- /*
- * Update the proper reference count.
- */
-
- Tcl_MutexLock(&packageMutex);
- if (Tcl_IsSafe(target)) {
- pkgPtr->safeInterpRefCount++;
- } else {
- pkgPtr->interpRefCount++;
- }
- Tcl_MutexUnlock(&packageMutex);
+ if (code != TCL_OK) {
+ Tcl_TransferResult(target, code, interp);
+ goto done;
+ }
- /*
- * Refetch ipFirstPtr: loading the package may have introduced
- * additional static packages at the head of the linked list!
- */
+ /*
+ * Record the fact that the package has been loaded in the target
+ * interpreter.
+ *
+ * Update the proper reference count.
+ */
- ipFirstPtr = Tcl_GetAssocData(target, "tclLoad", NULL);
- ipPtr = (InterpPackage *) ckalloc(sizeof(InterpPackage));
- ipPtr->pkgPtr = pkgPtr;
- ipPtr->nextPtr = ipFirstPtr;
- Tcl_SetAssocData(target, "tclLoad", LoadCleanupProc, ipPtr);
+ Tcl_MutexLock(&packageMutex);
+ if (Tcl_IsSafe(target)) {
+ pkgPtr->safeInterpRefCount++;
} else {
- Tcl_TransferResult(target, code, interp);
+ pkgPtr->interpRefCount++;
}
+ Tcl_MutexUnlock(&packageMutex);
+
+ /*
+ * Refetch ipFirstPtr: loading the package may have introduced additional
+ * static packages at the head of the linked list!
+ */
+
+ ipFirstPtr = Tcl_GetAssocData(target, "tclLoad", NULL);
+ ipPtr = ckalloc(sizeof(InterpPackage));
+ ipPtr->pkgPtr = pkgPtr;
+ ipPtr->nextPtr = ipFirstPtr;
+ Tcl_SetAssocData(target, "tclLoad", LoadCleanupProc, ipPtr);
done:
Tcl_DStringFree(&pkgName);
@@ -552,9 +605,10 @@ Tcl_UnloadObjCmd(
}
}
if ((fullFileName[0] == 0) && (packageName == NULL)) {
- Tcl_SetResult(interp,
- "must specify either file name or package name",
- TCL_STATIC);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "must specify either file name or package name", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "NOLIBRARY",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -592,9 +646,9 @@ Tcl_UnloadObjCmd(
if (packageName == NULL) {
namesMatch = 0;
} else {
- Tcl_DStringSetLength(&pkgName, 0);
+ TclDStringClear(&pkgName);
Tcl_DStringAppend(&pkgName, packageName, -1);
- Tcl_DStringSetLength(&tmp, 0);
+ TclDStringClear(&tmp);
Tcl_DStringAppend(&tmp, pkgPtr->packageName, -1);
Tcl_UtfToLower(Tcl_DStringValue(&pkgName));
Tcl_UtfToLower(Tcl_DStringValue(&tmp));
@@ -605,7 +659,7 @@ Tcl_UnloadObjCmd(
namesMatch = 0;
}
}
- Tcl_DStringSetLength(&pkgName, 0);
+ TclDStringClear(&pkgName);
filesMatch = (strcmp(pkgPtr->fileName, fullFileName) == 0);
if (filesMatch && (namesMatch || (packageName == NULL))) {
@@ -624,8 +678,11 @@ Tcl_UnloadObjCmd(
* It's an error to try unload a static package.
*/
- Tcl_AppendResult(interp, "package \"", packageName,
- "\" is loaded statically and cannot be unloaded", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "package \"%s\" is loaded statically and cannot be unloaded",
+ packageName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "STATIC",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -634,8 +691,10 @@ Tcl_UnloadObjCmd(
* The DLL pointed by the provided filename has never been loaded.
*/
- Tcl_AppendResult(interp, "file \"", fullFileName,
- "\" has never been loaded", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "file \"%s\" has never been loaded", fullFileName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "NEVERLOADED",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -661,8 +720,11 @@ Tcl_UnloadObjCmd(
* The package has not been loaded in this interpreter.
*/
- Tcl_AppendResult(interp, "file \"", fullFileName,
- "\" has never been loaded in this interpreter", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "file \"%s\" has never been loaded in this interpreter",
+ fullFileName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "NEVERLOADED",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -675,16 +737,22 @@ Tcl_UnloadObjCmd(
if (Tcl_IsSafe(target)) {
if (pkgPtr->safeUnloadProc == NULL) {
- Tcl_AppendResult(interp, "file \"", fullFileName,
- "\" cannot be unloaded under a safe interpreter", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "file \"%s\" cannot be unloaded under a safe interpreter",
+ fullFileName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "CANNOT",
+ NULL);
code = TCL_ERROR;
goto done;
}
unloadProc = pkgPtr->safeUnloadProc;
} else {
if (pkgPtr->unloadProc == NULL) {
- Tcl_AppendResult(interp, "file \"", fullFileName,
- "\" cannot be unloaded under a trusted interpreter", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "file \"%s\" cannot be unloaded under a trusted interpreter",
+ fullFileName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "CANNOT",
+ NULL);
code = TCL_ERROR;
goto done;
}
@@ -762,7 +830,7 @@ Tcl_UnloadObjCmd(
* Unload the shared library from the application memory...
*/
-#if defined(TCL_UNLOAD_DLLS) || defined(__WIN32__)
+#if defined(TCL_UNLOAD_DLLS) || defined(_WIN32)
/*
* Some Unix dlls are poorly behaved - registering things like atexit
* calls that can't be unregistered. If you unload such dlls, you get
@@ -771,8 +839,7 @@ Tcl_UnloadObjCmd(
*/
if (pkgPtr->fileName[0] != '\0') {
-
- Tcl_MutexLock(&packageMutex);
+ Tcl_MutexLock(&packageMutex);
if (Tcl_FSUnloadFile(interp, pkgPtr->loadHandle) == TCL_OK) {
/*
* Remove this library from the loaded library cache.
@@ -814,16 +881,19 @@ Tcl_UnloadObjCmd(
ipFirstPtr);
ckfree(defaultPtr->fileName);
ckfree(defaultPtr->packageName);
- ckfree((char *) defaultPtr);
- ckfree((char *) ipPtr);
+ ckfree(defaultPtr);
+ ckfree(ipPtr);
Tcl_MutexUnlock(&packageMutex);
} else {
code = TCL_ERROR;
}
}
#else
- Tcl_AppendResult(interp, "file \"", fullFileName,
- "\" cannot be unloaded: unloading disabled", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "file \"%s\" cannot be unloaded: unloading disabled",
+ fullFileName));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "UNLOAD", "DISABLED",
+ NULL);
code = TCL_ERROR;
#endif
}
@@ -831,40 +901,10 @@ Tcl_UnloadObjCmd(
done:
Tcl_DStringFree(&pkgName);
Tcl_DStringFree(&tmp);
- if (!complain && code!=TCL_OK) {
+ if (!complain && (code != TCL_OK)) {
code = TCL_OK;
Tcl_ResetResult(interp);
}
- if (code == TCL_OK) {
-#if 0
- /*
- * Result of [unload] was not documented in TIP#100, so force to be
- * the empty string by commenting this out. DKF.
- */
-
- Tcl_Obj *resultObjPtr, *objPtr[2];
-
- /*
- * Our result is the two reference counts.
- */
-
- TclNewIntObj(objPtr[0], trustedRefCount);
- TclNewIntObj(objPtr[1], safeRefCount);
- if (objPtr[0] == NULL || objPtr[1] == NULL) {
- if (objPtr[0]) {
- Tcl_DecrRefCount(objPtr[0]);
- }
- if (objPtr[1]) {
- Tcl_DecrRefCount(objPtr[1]);
- }
- } else {
- TclNewListObj(resultObjPtr, 2, objPtr);
- if (resultObjPtr != NULL) {
- Tcl_SetObjResult(interp, resultObjPtr);
- }
- }
-#endif
- }
return code;
}
@@ -929,10 +969,10 @@ Tcl_StaticPackage(
*/
if (pkgPtr == NULL) {
- pkgPtr = (LoadedPackage *) ckalloc(sizeof(LoadedPackage));
- pkgPtr->fileName = ckalloc((unsigned) 1);
+ pkgPtr = ckalloc(sizeof(LoadedPackage));
+ pkgPtr->fileName = ckalloc(1);
pkgPtr->fileName[0] = 0;
- pkgPtr->packageName = ckalloc((unsigned) (strlen(pkgName) + 1));
+ pkgPtr->packageName = ckalloc(strlen(pkgName) + 1);
strcpy(pkgPtr->packageName, pkgName);
pkgPtr->loadHandle = NULL;
pkgPtr->initProc = initProc;
@@ -962,7 +1002,7 @@ Tcl_StaticPackage(
* loaded.
*/
- ipPtr = (InterpPackage *) ckalloc(sizeof(InterpPackage));
+ ipPtr = ckalloc(sizeof(InterpPackage));
ipPtr->pkgPtr = pkgPtr;
ipPtr->nextPtr = ipFirstPtr;
Tcl_SetAssocData(interp, "tclLoad", LoadCleanupProc, ipPtr);
@@ -999,28 +1039,27 @@ TclGetLoadedPackages(
* otherwise, just return info about this
* interpreter. */
{
- /* TODO: Use Tcl_Obj APIs to generate this info for cleanliness. */
Tcl_Interp *target;
LoadedPackage *pkgPtr;
InterpPackage *ipPtr;
- const char *prefix;
+ Tcl_Obj *resultObj, *pkgDesc[2];
if (targetName == NULL) {
/*
* Return information about all of the available packages.
*/
- prefix = "{";
+ resultObj = Tcl_NewObj();
Tcl_MutexLock(&packageMutex);
for (pkgPtr = firstPackagePtr; pkgPtr != NULL;
pkgPtr = pkgPtr->nextPtr) {
- Tcl_AppendResult(interp, prefix, NULL);
- Tcl_AppendElement(interp, pkgPtr->fileName);
- Tcl_AppendElement(interp, pkgPtr->packageName);
- Tcl_AppendResult(interp, "}", NULL);
- prefix = " {";
+ pkgDesc[0] = Tcl_NewStringObj(pkgPtr->fileName, -1);
+ pkgDesc[1] = Tcl_NewStringObj(pkgPtr->packageName, -1);
+ Tcl_ListObjAppendElement(NULL, resultObj,
+ Tcl_NewListObj(2, pkgDesc));
}
Tcl_MutexUnlock(&packageMutex);
+ Tcl_SetObjResult(interp, resultObj);
return TCL_OK;
}
@@ -1034,15 +1073,14 @@ TclGetLoadedPackages(
return TCL_ERROR;
}
ipPtr = Tcl_GetAssocData(target, "tclLoad", NULL);
- prefix = "{";
+ resultObj = Tcl_NewObj();
for (; ipPtr != NULL; ipPtr = ipPtr->nextPtr) {
pkgPtr = ipPtr->pkgPtr;
- Tcl_AppendResult(interp, prefix, NULL);
- Tcl_AppendElement(interp, pkgPtr->fileName);
- Tcl_AppendElement(interp, pkgPtr->packageName);
- Tcl_AppendResult(interp, "}", NULL);
- prefix = " {";
+ pkgDesc[0] = Tcl_NewStringObj(pkgPtr->fileName, -1);
+ pkgDesc[1] = Tcl_NewStringObj(pkgPtr->packageName, -1);
+ Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewListObj(2, pkgDesc));
}
+ Tcl_SetObjResult(interp, resultObj);
return TCL_OK;
}
@@ -1075,7 +1113,7 @@ LoadCleanupProc(
ipPtr = clientData;
while (ipPtr != NULL) {
nextPtr = ipPtr->nextPtr;
- ckfree((char *) ipPtr);
+ ckfree(ipPtr);
ipPtr = nextPtr;
}
}
@@ -1113,7 +1151,7 @@ TclFinalizeLoad(void)
pkgPtr = firstPackagePtr;
firstPackagePtr = pkgPtr->nextPtr;
-#if defined(TCL_UNLOAD_DLLS) || defined(__WIN32__)
+#if defined(TCL_UNLOAD_DLLS) || defined(_WIN32)
/*
* Some Unix dlls are poorly behaved - registering things like atexit
* calls that can't be unregistered. If you unload such dlls, you get
@@ -1128,7 +1166,7 @@ TclFinalizeLoad(void)
ckfree(pkgPtr->fileName);
ckfree(pkgPtr->packageName);
- ckfree((char *) pkgPtr);
+ ckfree(pkgPtr);
}
}
generated by cgit v0.12 at 2025-10-23 21:08:19 (GMT)