diff options
Diffstat (limited to 'generic/tclLoad.c')
| -rw-r--r-- | generic/tclLoad.c | 170 |
1 files changed, 87 insertions, 83 deletions
diff --git a/generic/tclLoad.c b/generic/tclLoad.c index 820707e..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 +182,8 @@ 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; @@ -198,9 +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)); @@ -211,7 +235,7 @@ Tcl_LoadObjCmd( namesMatch = 0; } } - Tcl_DStringSetLength(&pkgName, 0); + TclDStringClear(&pkgName); filesMatch = (strcmp(pkgPtr->fileName, fullFileName) == 0); if (filesMatch && (namesMatch || (packageName == NULL))) { @@ -225,9 +249,9 @@ 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; @@ -263,8 +287,8 @@ 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; @@ -305,6 +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) @@ -315,15 +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); } } @@ -342,14 +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 @@ -360,7 +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) { @@ -386,7 +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; @@ -412,9 +442,9 @@ 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; @@ -423,9 +453,9 @@ Tcl_LoadObjCmd( code = pkgPtr->safeInitProc(target); } else { if (pkgPtr->initProc == NULL) { - Tcl_AppendResult(interp, - "can't attach package to interpreter: no ", - pkgPtr->packageName, "_Init procedure", 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; @@ -575,9 +605,8 @@ 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; @@ -617,9 +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)); @@ -630,7 +659,7 @@ Tcl_UnloadObjCmd( namesMatch = 0; } } - Tcl_DStringSetLength(&pkgName, 0); + TclDStringClear(&pkgName); filesMatch = (strcmp(pkgPtr->fileName, fullFileName) == 0); if (filesMatch && (namesMatch || (packageName == NULL))) { @@ -649,8 +678,9 @@ 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; @@ -661,8 +691,8 @@ 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; @@ -690,8 +720,9 @@ 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; @@ -706,8 +737,9 @@ 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; @@ -716,8 +748,9 @@ Tcl_UnloadObjCmd( 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; @@ -797,7 +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 @@ -856,8 +889,9 @@ Tcl_UnloadObjCmd( } } #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; @@ -867,40 +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; } @@ -1147,7 +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 |