turbine_code turbine_run_string(MPI_Comm comm, const char* script, int argc, const char** argv, char* output, Tcl_Interp* interp) { bool created_interp = false; if (interp == NULL) { // Create Tcl interpreter: interp = Tcl_CreateInterp(); Tcl_Init(interp); created_interp = true; } if (comm != MPI_COMM_NULL) { // Store communicator pointer in Tcl variable for turbine::init MPI_Comm* comm_ptr = &comm; Tcl_Obj* TURBINE_ADLB_COMM = Tcl_NewStringObj("TURBINE_ADLB_COMM", -1); Tcl_Obj* adlb_comm_ptr = Tcl_NewLongObj((long) comm_ptr); Tcl_ObjSetVar2(interp, TURBINE_ADLB_COMM, NULL, adlb_comm_ptr, 0); } // Render argc/argv for Tcl turbine_tcl_set_integer(interp, "argc", argc); Tcl_Obj* argv_obj = Tcl_NewStringObj("argv", -1); Tcl_Obj* argv_val_obj; if (argc > 0) argv_val_obj = turbine_tcl_list_new(argc, argv); else argv_val_obj = Tcl_NewStringObj("", 0); Tcl_ObjSetVar2(interp, argv_obj, NULL, argv_val_obj, 0); if (output != NULL) turbine_tcl_set_wideint(interp, "turbine_run_output", (ptrdiff_t) output); // Run the user script int rc = Tcl_Eval(interp, script); // Check for errors if (rc != TCL_OK) { Tcl_Obj* error_dict = Tcl_GetReturnOptions(interp, rc); Tcl_Obj* error_info = Tcl_NewStringObj("-errorinfo", -1); Tcl_Obj* error_msg; Tcl_DictObjGet(interp, error_dict, error_info, &error_msg); char* msg_string = Tcl_GetString(error_msg); printf("turbine_run(): Tcl error: %s\n", msg_string); return TURBINE_ERROR_UNKNOWN; } if (created_interp) { // Clean up Tcl_DeleteInterp(interp); } return TURBINE_SUCCESS; }
void tclpd_interp_error(t_tcl *x, int result) { error("tclpd error: %s", Tcl_GetStringResult(tclpd_interp)); logpost(x, 3, "------------------- Tcl error: -------------------"); // Tcl_GetReturnOptions and Tcl_DictObjGet only available in Tcl >= 8.5 #if ((TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || (TCL_MAJOR_VERSION > 8)) Tcl_Obj *dict = Tcl_GetReturnOptions(tclpd_interp, result); Tcl_Obj *errorInfo = NULL; Tcl_Obj *errorInfoK = Tcl_NewStringObj("-errorinfo", -1); Tcl_IncrRefCount(errorInfoK); Tcl_DictObjGet(tclpd_interp, dict, errorInfoK, &errorInfo); Tcl_DecrRefCount(errorInfoK); logpost(x, 3, "%s\n", Tcl_GetStringFromObj(errorInfo, 0)); #else logpost(x, 3, "Backtrace not available in Tcl < 8.5. Please upgrade Tcl."); #endif logpost(x, 3, "--------------------------------------------------"); }
void Tcl_MainEx( int argc, /* Number of arguments. */ TCHAR **argv, /* Array of argument strings. */ Tcl_AppInitProc *appInitProc, /* Application-specific initialization * function to call after most initialization * but before starting to execute commands. */ Tcl_Interp *interp) { Tcl_Obj *path, *resultPtr, *argvPtr, *appName; const char *encodingName = NULL; int code, exitCode = 0; Tcl_MainLoopProc *mainLoopProc; Tcl_Channel chan; InteractiveState is; TclpSetInitialEncodings(); TclpFindExecutable((const char *)argv[0]); Tcl_InitMemory(interp); is.interp = interp; is.prompt = PROMPT_START; is.commandPtr = Tcl_NewObj(); /* * If the application has not already set a startup script, parse the * first few command line arguments to determine the script path and * encoding. */ if (NULL == Tcl_GetStartupScript(NULL)) { /* * Check whether first 3 args (argv[1] - argv[3]) look like * -encoding ENCODING FILENAME * or like * FILENAME */ if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1])) && ('-' != argv[3][0])) { Tcl_Obj *value = NewNativeObj(argv[2], -1); Tcl_SetStartupScript(NewNativeObj(argv[3], -1), Tcl_GetString(value)); Tcl_DecrRefCount(value); argc -= 3; argv += 3; } else if ((argc > 1) && ('-' != argv[1][0])) { Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL); argc--; argv++; } } path = Tcl_GetStartupScript(&encodingName); if (path == NULL) { appName = NewNativeObj(argv[0], -1); } else { appName = path; } Tcl_SetVar2Ex(interp, "argv0", NULL, appName, TCL_GLOBAL_ONLY); argc--; argv++; Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY); argvPtr = Tcl_NewListObj(0, NULL); while (argc--) { Tcl_ListObjAppendElement(NULL, argvPtr, NewNativeObj(*argv++, -1)); } Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY); /* * Set the "tcl_interactive" variable. */ is.tty = isatty(0); Tcl_SetVar2Ex(interp, "tcl_interactive", NULL, Tcl_NewIntObj(!path && is.tty), TCL_GLOBAL_ONLY); /* * Invoke application-specific initialization. */ Tcl_Preserve(interp); if (appInitProc(interp) != TCL_OK) { chan = Tcl_GetStdChannel(TCL_STDERR); if (chan) { Tcl_WriteChars(chan, "application-specific initialization failed: ", -1); Tcl_WriteObj(chan, Tcl_GetObjResult(interp)); Tcl_WriteChars(chan, "\n", 1); } } if (Tcl_InterpDeleted(interp)) { goto done; } if (Tcl_LimitExceeded(interp)) { goto done; } if (TclFullFinalizationRequested()) { /* * Arrange for final deletion of the main interp */ /* ARGH Munchhausen effect */ Tcl_CreateExitHandler(FreeMainInterp, interp); } /* * Invoke the script specified on the command line, if any. Must fetch it * again, as the appInitProc might have reset it. */ path = Tcl_GetStartupScript(&encodingName); if (path != NULL) { Tcl_ResetResult(interp); code = Tcl_FSEvalFileEx(interp, path, encodingName); if (code != TCL_OK) { chan = Tcl_GetStdChannel(TCL_STDERR); if (chan) { Tcl_Obj *options = Tcl_GetReturnOptions(interp, code); Tcl_Obj *keyPtr, *valuePtr; TclNewLiteralStringObj(keyPtr, "-errorinfo"); Tcl_IncrRefCount(keyPtr); Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr); Tcl_DecrRefCount(keyPtr); if (valuePtr) { Tcl_WriteObj(chan, valuePtr); } Tcl_WriteChars(chan, "\n", 1); Tcl_DecrRefCount(options); } exitCode = 1; } goto done; } /* * We're running interactively. Source a user-specific startup file if the * application specified one and if the file exists. */ Tcl_SourceRCFile(interp); if (Tcl_LimitExceeded(interp)) { goto done; } /* * Process commands from stdin until there's an end-of-file. Note that we * need to fetch the standard channels again after every eval, since they * may have been changed. */ Tcl_IncrRefCount(is.commandPtr); /* * Get a new value for tty if anyone writes to ::tcl_interactive */ Tcl_LinkVar(interp, "tcl_interactive", (char *) &is.tty, TCL_LINK_BOOLEAN); is.input = Tcl_GetStdChannel(TCL_STDIN); while ((is.input != NULL) && !Tcl_InterpDeleted(interp)) { mainLoopProc = TclGetMainLoop(); if (mainLoopProc == NULL) { int length; if (is.tty) { Prompt(interp, &is); if (Tcl_InterpDeleted(interp)) { break; } if (Tcl_LimitExceeded(interp)) { break; } is.input = Tcl_GetStdChannel(TCL_STDIN); if (is.input == NULL) { break; } } if (Tcl_IsShared(is.commandPtr)) { Tcl_DecrRefCount(is.commandPtr); is.commandPtr = Tcl_DuplicateObj(is.commandPtr); Tcl_IncrRefCount(is.commandPtr); } length = Tcl_GetsObj(is.input, is.commandPtr); if (length < 0) { if (Tcl_InputBlocked(is.input)) { /* * This can only happen if stdin has been set to * non-blocking. In that case cycle back and try again. * This sets up a tight polling loop (since we have no * event loop running). If this causes bad CPU hogging, we * might try toggling the blocking on stdin instead. */ continue; } /* * Either EOF, or an error on stdin; we're done */ break; } /* * Add the newline removed by Tcl_GetsObj back to the string. Have * to add it back before testing completeness, because it can make * a difference. [Bug 1775878] */ if (Tcl_IsShared(is.commandPtr)) { Tcl_DecrRefCount(is.commandPtr); is.commandPtr = Tcl_DuplicateObj(is.commandPtr); Tcl_IncrRefCount(is.commandPtr); } Tcl_AppendToObj(is.commandPtr, "\n", 1); if (!TclObjCommandComplete(is.commandPtr)) { is.prompt = PROMPT_CONTINUE; continue; } is.prompt = PROMPT_START; /* * The final newline is syntactically redundant, and causes some * error messages troubles deeper in, so lop it back off. */ Tcl_GetStringFromObj(is.commandPtr, &length); Tcl_SetObjLength(is.commandPtr, --length); code = Tcl_RecordAndEvalObj(interp, is.commandPtr, TCL_EVAL_GLOBAL); is.input = Tcl_GetStdChannel(TCL_STDIN); Tcl_DecrRefCount(is.commandPtr); is.commandPtr = Tcl_NewObj(); Tcl_IncrRefCount(is.commandPtr); if (code != TCL_OK) { chan = Tcl_GetStdChannel(TCL_STDERR); if (chan) { Tcl_WriteObj(chan, Tcl_GetObjResult(interp)); Tcl_WriteChars(chan, "\n", 1); } } else if (is.tty) { resultPtr = Tcl_GetObjResult(interp); Tcl_IncrRefCount(resultPtr); Tcl_GetStringFromObj(resultPtr, &length); chan = Tcl_GetStdChannel(TCL_STDOUT); if ((length > 0) && chan) { Tcl_WriteObj(chan, resultPtr); Tcl_WriteChars(chan, "\n", 1); } Tcl_DecrRefCount(resultPtr); } } else { /* (mainLoopProc != NULL) */ /* * If a main loop has been defined while running interactively, we * want to start a fileevent based prompt by establishing a * channel handler for stdin. */ if (is.input) { if (is.tty) { Prompt(interp, &is); } Tcl_CreateChannelHandler(is.input, TCL_READABLE, StdinProc, &is); } mainLoopProc(); Tcl_SetMainLoop(NULL); if (is.input) { Tcl_DeleteChannelHandler(is.input, StdinProc, &is); } is.input = Tcl_GetStdChannel(TCL_STDIN); } /* * This code here only for the (unsupported and deprecated) [checkmem] * command. */ #ifdef TCL_MEM_DEBUG if (tclMemDumpFileName != NULL) { Tcl_SetMainLoop(NULL); Tcl_DeleteInterp(interp); } #endif /* TCL_MEM_DEBUG */ } done: mainLoopProc = TclGetMainLoop(); if ((exitCode == 0) && mainLoopProc && !Tcl_LimitExceeded(interp)) { /* * If everything has gone OK so far, call the main loop proc, if it * exists. Packages (like Tk) can set it to start processing events at * this point. */ mainLoopProc(); Tcl_SetMainLoop(NULL); } if (is.commandPtr != NULL) { Tcl_DecrRefCount(is.commandPtr); } /* * Rather than calling exit, invoke the "exit" command so that users can * replace "exit" with some other command to do additional cleanup on * exit. The Tcl_EvalObjEx call should never return. */ if (!Tcl_InterpDeleted(interp) && !Tcl_LimitExceeded(interp)) { Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode); Tcl_IncrRefCount(cmd); Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL); Tcl_DecrRefCount(cmd); } /* * If Tcl_EvalObjEx returns, trying to eval [exit], something unusual is * happening. Maybe interp has been deleted; maybe [exit] was redefined, * maybe we've blown up because of an exceeded limit. We still want to * cleanup and exit. */ Tcl_Exit(exitCode); }
void Tcl_Main( int argc, /* Number of arguments. */ char **argv, /* Array of argument strings. */ Tcl_AppInitProc *appInitProc) /* Application-specific initialization * function to call after most initialization * but before starting to execute commands. */ { Tcl_Obj *path, *resultPtr, *argvPtr, *commandPtr = NULL; const char *encodingName = NULL; PromptType prompt = PROMPT_START; int code, length, tty, exitCode = 0; Tcl_Channel inChannel, outChannel, errChannel; Tcl_Interp *interp; Tcl_DString appName; Tcl_FindExecutable(argv[0]); interp = Tcl_CreateInterp(); Tcl_InitMemory(interp); /* * If the application has not already set a startup script, parse the * first few command line arguments to determine the script path and * encoding. */ if (NULL == Tcl_GetStartupScript(NULL)) { /* * Check whether first 3 args (argv[1] - argv[3]) look like * -encoding ENCODING FILENAME * or like * FILENAME */ if ((argc > 3) && (0 == strcmp("-encoding", argv[1])) && ('-' != argv[3][0])) { Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]); argc -= 3; argv += 3; } else if ((argc > 1) && ('-' != argv[1][0])) { Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL); argc--; argv++; } } path = Tcl_GetStartupScript(&encodingName); if (path == NULL) { Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName); } else { const char *pathName = Tcl_GetStringFromObj(path, &length); Tcl_ExternalToUtfDString(NULL, pathName, length, &appName); path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1); Tcl_SetStartupScript(path, encodingName); } Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&appName), TCL_GLOBAL_ONLY); Tcl_DStringFree(&appName); argc--; argv++; Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY); argvPtr = Tcl_NewListObj(0, NULL); while (argc--) { Tcl_DString ds; Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds); Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj( Tcl_DStringValue(&ds), Tcl_DStringLength(&ds))); Tcl_DStringFree(&ds); } Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY); /* * Set the "tcl_interactive" variable. */ tty = isatty(0); Tcl_SetVar(interp, "tcl_interactive", ((path == NULL) && tty) ? "1" : "0", TCL_GLOBAL_ONLY); /* * Invoke application-specific initialization. */ Tcl_Preserve(interp); if (appInitProc(interp) != TCL_OK) { errChannel = Tcl_GetStdChannel(TCL_STDERR); if (errChannel) { Tcl_WriteChars(errChannel, "application-specific initialization failed: ", -1); Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp)); Tcl_WriteChars(errChannel, "\n", 1); } } if (Tcl_InterpDeleted(interp)) { goto done; } if (Tcl_LimitExceeded(interp)) { goto done; } /* * If a script file was specified then just source that file and quit. * Must fetch it again, as the appInitProc might have reset it. */ path = Tcl_GetStartupScript(&encodingName); if (path != NULL) { code = Tcl_FSEvalFileEx(interp, path, encodingName); if (code != TCL_OK) { errChannel = Tcl_GetStdChannel(TCL_STDERR); if (errChannel) { Tcl_Obj *options = Tcl_GetReturnOptions(interp, code); Tcl_Obj *keyPtr, *valuePtr; TclNewLiteralStringObj(keyPtr, "-errorinfo"); Tcl_IncrRefCount(keyPtr); Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr); Tcl_DecrRefCount(keyPtr); if (valuePtr) { Tcl_WriteObj(errChannel, valuePtr); } Tcl_WriteChars(errChannel, "\n", 1); } exitCode = 1; } goto done; } /* * We're running interactively. Source a user-specific startup file if the * application specified one and if the file exists. */ Tcl_SourceRCFile(interp); if (Tcl_LimitExceeded(interp)) { goto done; } /* * Process commands from stdin until there's an end-of-file. Note that we * need to fetch the standard channels again after every eval, since they * may have been changed. */ commandPtr = Tcl_NewObj(); Tcl_IncrRefCount(commandPtr); /* * Get a new value for tty if anyone writes to ::tcl_interactive */ Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty, TCL_LINK_BOOLEAN); inChannel = Tcl_GetStdChannel(TCL_STDIN); outChannel = Tcl_GetStdChannel(TCL_STDOUT); while ((inChannel != NULL) && !Tcl_InterpDeleted(interp)) { if (mainLoopProc == NULL) { if (tty) { Prompt(interp, &prompt); if (Tcl_InterpDeleted(interp)) { break; } if (Tcl_LimitExceeded(interp)) { break; } inChannel = Tcl_GetStdChannel(TCL_STDIN); if (inChannel == NULL) { break; } } if (Tcl_IsShared(commandPtr)) { Tcl_DecrRefCount(commandPtr); commandPtr = Tcl_DuplicateObj(commandPtr); Tcl_IncrRefCount(commandPtr); } length = Tcl_GetsObj(inChannel, commandPtr); if (length < 0) { if (Tcl_InputBlocked(inChannel)) { /* * This can only happen if stdin has been set to * non-blocking. In that case cycle back and try again. * This sets up a tight polling loop (since we have no * event loop running). If this causes bad CPU hogging, we * might try toggling the blocking on stdin instead. */ continue; } /* * Either EOF, or an error on stdin; we're done */ break; } /* * Add the newline removed by Tcl_GetsObj back to the string. Have * to add it back before testing completeness, because it can make * a difference. [Bug 1775878] */ if (Tcl_IsShared(commandPtr)) { Tcl_DecrRefCount(commandPtr); commandPtr = Tcl_DuplicateObj(commandPtr); Tcl_IncrRefCount(commandPtr); } Tcl_AppendToObj(commandPtr, "\n", 1); if (!TclObjCommandComplete(commandPtr)) { prompt = PROMPT_CONTINUE; continue; } prompt = PROMPT_START; /* * The final newline is syntactically redundant, and causes some * error messages troubles deeper in, so lop it back off. */ Tcl_GetStringFromObj(commandPtr, &length); Tcl_SetObjLength(commandPtr, --length); code = Tcl_RecordAndEvalObj(interp, commandPtr, TCL_EVAL_GLOBAL); inChannel = Tcl_GetStdChannel(TCL_STDIN); outChannel = Tcl_GetStdChannel(TCL_STDOUT); errChannel = Tcl_GetStdChannel(TCL_STDERR); Tcl_DecrRefCount(commandPtr); commandPtr = Tcl_NewObj(); Tcl_IncrRefCount(commandPtr); if (code != TCL_OK) { if (errChannel) { Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp)); Tcl_WriteChars(errChannel, "\n", 1); } } else if (tty) { resultPtr = Tcl_GetObjResult(interp); Tcl_IncrRefCount(resultPtr); Tcl_GetStringFromObj(resultPtr, &length); if ((length > 0) && outChannel) { Tcl_WriteObj(outChannel, resultPtr); Tcl_WriteChars(outChannel, "\n", 1); } Tcl_DecrRefCount(resultPtr); } } else { /* (mainLoopProc != NULL) */ /* * If a main loop has been defined while running interactively, we * want to start a fileevent based prompt by establishing a * channel handler for stdin. */ InteractiveState *isPtr = NULL; if (inChannel) { if (tty) { Prompt(interp, &prompt); } isPtr = (InteractiveState *) ckalloc(sizeof(InteractiveState)); isPtr->input = inChannel; isPtr->tty = tty; isPtr->commandPtr = commandPtr; isPtr->prompt = prompt; isPtr->interp = interp; Tcl_UnlinkVar(interp, "tcl_interactive"); Tcl_LinkVar(interp, "tcl_interactive", (char *) &(isPtr->tty), TCL_LINK_BOOLEAN); Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc, isPtr); } mainLoopProc(); mainLoopProc = NULL; if (inChannel) { tty = isPtr->tty; Tcl_UnlinkVar(interp, "tcl_interactive"); Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty, TCL_LINK_BOOLEAN); prompt = isPtr->prompt; commandPtr = isPtr->commandPtr; if (isPtr->input != NULL) { Tcl_DeleteChannelHandler(isPtr->input, StdinProc, isPtr); } ckfree((char *) isPtr); } inChannel = Tcl_GetStdChannel(TCL_STDIN); outChannel = Tcl_GetStdChannel(TCL_STDOUT); errChannel = Tcl_GetStdChannel(TCL_STDERR); } #ifdef TCL_MEM_DEBUG /* * This code here only for the (unsupported and deprecated) [checkmem] * command. */ if (tclMemDumpFileName != NULL) { mainLoopProc = NULL; Tcl_DeleteInterp(interp); } #endif } done: if ((exitCode == 0) && (mainLoopProc != NULL) && !Tcl_LimitExceeded(interp)) { /* * If everything has gone OK so far, call the main loop proc, if it * exists. Packages (like Tk) can set it to start processing events at * this point. */ mainLoopProc(); mainLoopProc = NULL; } if (commandPtr != NULL) { Tcl_DecrRefCount(commandPtr); } /* * Rather than calling exit, invoke the "exit" command so that users can * replace "exit" with some other command to do additional cleanup on * exit. The Tcl_EvalObjEx call should never return. */ if (!Tcl_InterpDeleted(interp)) { if (!Tcl_LimitExceeded(interp)) { Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode); Tcl_IncrRefCount(cmd); Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL); Tcl_DecrRefCount(cmd); } /* * If Tcl_EvalObjEx returns, trying to eval [exit], something unusual * is happening. Maybe interp has been deleted; maybe [exit] was * redefined, maybe we've blown up because of an exceeded limit. We * still want to cleanup and exit. */ if (!Tcl_InterpDeleted(interp)) { Tcl_DeleteInterp(interp); } } Tcl_SetStartupScript(NULL, NULL); /* * If we get here, the master interp has been deleted. Allow its * destruction with the last matching Tcl_Release. */ Tcl_Release(interp); Tcl_Exit(exitCode); }
void Tcl_RegisterConfig( Tcl_Interp *interp, /* Interpreter the configuration command is * registered in. */ const char *pkgName, /* Name of the package registering the * embedded configuration. ASCII, thus in * UTF-8 too. */ const Tcl_Config *configuration, /* Embedded configuration. */ const char *valEncoding) /* Name of the encoding used to store the * configuration values, ASCII, thus UTF-8. */ { Tcl_Obj *pDB, *pkgDict; Tcl_DString cmdName; const Tcl_Config *cfg; QCCD *cdPtr = ckalloc(sizeof(QCCD)); cdPtr->interp = interp; if (valEncoding) { cdPtr->encoding = ckalloc(strlen(valEncoding)+1); strcpy(cdPtr->encoding, valEncoding); } else { cdPtr->encoding = NULL; } cdPtr->pkg = Tcl_NewStringObj(pkgName, -1); /* * Phase I: Adding the provided information to the internal database of * package meta data. * * Phase II: Create a command for querying this database, specific to the * package registering its configuration. This is the approved interface * in TIP 59. In the future a more general interface should be done, as * follow-up to TIP 59. Simply because our database is now general across * packages, and not a structure tied to one package. * * Note, the created command will have a reference through its clientdata. */ Tcl_IncrRefCount(cdPtr->pkg); /* * For venc == NULL aka bogus encoding we skip the step setting up the * dictionaries visible at Tcl level. I.e. they are not filled */ pDB = GetConfigDict(interp); /* * Retrieve package specific configuration... */ if (Tcl_DictObjGet(interp, pDB, cdPtr->pkg, &pkgDict) != TCL_OK || (pkgDict == NULL)) { pkgDict = Tcl_NewDictObj(); } else if (Tcl_IsShared(pkgDict)) { pkgDict = Tcl_DuplicateObj(pkgDict); } /* * Extend the package configuration... * We cannot assume that the encodings are initialized, therefore * store the value as-is in a byte array. See Bug [9b2e636361]. */ for (cfg=configuration ; cfg->key!=NULL && cfg->key[0]!='\0' ; cfg++) { Tcl_DictObjPut(interp, pkgDict, Tcl_NewStringObj(cfg->key, -1), Tcl_NewByteArrayObj((unsigned char *)cfg->value, strlen(cfg->value))); } /* * Write the changes back into the overall database. */ Tcl_DictObjPut(interp, pDB, cdPtr->pkg, pkgDict); /* * Now create the interface command for retrieval of the package * information. */ Tcl_DStringInit(&cmdName); TclDStringAppendLiteral(&cmdName, "::"); Tcl_DStringAppend(&cmdName, pkgName, -1); /* * The incomplete command name is the name of the namespace to place it * in. */ if (Tcl_FindNamespace(interp, Tcl_DStringValue(&cmdName), NULL, TCL_GLOBAL_ONLY) == NULL) { if (Tcl_CreateNamespace(interp, Tcl_DStringValue(&cmdName), NULL, NULL) == NULL) { Tcl_Panic("%s.\n%s: %s", Tcl_GetStringResult(interp), "Tcl_RegisterConfig", "Unable to create namespace for package configuration."); } } TclDStringAppendLiteral(&cmdName, "::pkgconfig"); if (Tcl_CreateObjCommand(interp, Tcl_DStringValue(&cmdName), QueryConfigObjCmd, cdPtr, QueryConfigDelete) == NULL) { Tcl_Panic("%s: %s", "Tcl_RegisterConfig", "Unable to create query command for package configuration"); } Tcl_DStringFree(&cmdName); }
static int QueryConfigObjCmd( ClientData clientData, Tcl_Interp *interp, int objc, struct Tcl_Obj *const *objv) { QCCD *cdPtr = clientData; Tcl_Obj *pkgName = cdPtr->pkg; Tcl_Obj *pDB, *pkgDict, *val, *listPtr; int n, index; static const char *const subcmdStrings[] = { "get", "list", NULL }; enum subcmds { CFG_GET, CFG_LIST }; Tcl_DString conv; Tcl_Encoding venc = NULL; const char *value; if ((objc < 2) || (objc > 3)) { Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?arg?"); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], subcmdStrings, "subcommand", 0, &index) != TCL_OK) { return TCL_ERROR; } pDB = GetConfigDict(interp); if (Tcl_DictObjGet(interp, pDB, pkgName, &pkgDict) != TCL_OK || pkgDict == NULL) { /* * Maybe a Tcl_Panic is better, because the package data has to be * present. */ Tcl_SetObjResult(interp, Tcl_NewStringObj("package not known", -1)); Tcl_SetErrorCode(interp, "TCL", "FATAL", "PKGCFG_BASE", TclGetString(pkgName), NULL); return TCL_ERROR; } switch ((enum subcmds) index) { case CFG_GET: if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "key"); return TCL_ERROR; } if (Tcl_DictObjGet(interp, pkgDict, objv[2], &val) != TCL_OK || val == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj("key not known", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "CONFIG", TclGetString(objv[2]), NULL); return TCL_ERROR; } if (cdPtr->encoding) { venc = Tcl_GetEncoding(interp, cdPtr->encoding); if (!venc) { return TCL_ERROR; } } /* * Value is stored as-is in a byte array, see Bug [9b2e636361], * so we have to decode it first. */ value = (const char *) Tcl_GetByteArrayFromObj(val, &n); value = Tcl_ExternalToUtfDString(venc, value, n, &conv); Tcl_SetObjResult(interp, Tcl_NewStringObj(value, Tcl_DStringLength(&conv))); Tcl_DStringFree(&conv); return TCL_OK; case CFG_LIST: if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); return TCL_ERROR; } Tcl_DictObjSize(interp, pkgDict, &n); listPtr = Tcl_NewListObj(n, NULL); if (!listPtr) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "insufficient memory to create list", -1)); Tcl_SetErrorCode(interp, "TCL", "MEMORY", NULL); return TCL_ERROR; } if (n) { Tcl_DictSearch s; Tcl_Obj *key; int done; for (Tcl_DictObjFirst(interp, pkgDict, &s, &key, NULL, &done); !done; Tcl_DictObjNext(&s, &key, NULL, &done)) { Tcl_ListObjAppendElement(NULL, listPtr, key); } } Tcl_SetObjResult(interp, listPtr); return TCL_OK; default: Tcl_Panic("QueryConfigObjCmd: Unknown subcommand to 'pkgconfig'. This can't happen"); break; } return TCL_ERROR; }