SysTutorials Posts

Tcl_IsSafe, Tcl_MakeSafe, Tcl_CreateSlave, Tcl_GetSlave, Tcl_GetMaster, Tcl_GetInterpPath, Tcl_CreateAlias, Tcl_CreateAliasObj, Tcl_GetAlias, Tcl_GetAliasObj, Tcl_ExposeCommand, Tcl_HideCommand – manage multiple Tcl interpreters, aliases and hidden commands Synopsis #include <tcl.h> int Tcl_IsSafe(interp) int Tcl_MakeSafe(interp) Tcl_Interp * Tcl_CreateSlave(interp, slaveName, isSafe) Tcl_Interp * Tcl_GetSlave(interp, slaveName) Tcl_Interp * Tcl_GetMaster(interp) int Tcl_GetInterpPath(askingInterp, slaveInterp) int Tcl_CreateAlias(slaveInterp, slaveCmd, targetInterp, targetCmd, argc, argv) int Tcl_CreateAliasObj(slaveInterp, slaveCmd, targetInterp, targetCmd,…

Tcl_CreateTrace, Tcl_CreateObjTrace, Tcl_DeleteTrace – arrange for command execution to be traced Synopsis #include <tcl.h> Tcl_Trace Tcl_CreateTrace(interp, level, proc, clientData) Tcl_Trace Tcl_CreateObjTrace(interp, level, flags, objProc, clientData, deleteProc) Tcl_DeleteTrace(interp, trace) Arguments Tcl_Interp *interp (in) Interpreter containing command to be traced or untraced. int level (in) Only commands at or below this nesting level will be traced unless…

Tcl_CreateObjCommand, Tcl_DeleteCommand, Tcl_DeleteCommandFromToken, Tcl_GetCommandInfo, Tcl_GetCommandInfoFromToken, Tcl_SetCommandInfo, Tcl_SetCommandInfoFromToken, Tcl_GetCommandName, Tcl_GetCommandFullName, Tcl_GetCommandFromObj – implement new commands in C Synopsis #include <tcl.h> Tcl_Command Tcl_CreateObjCommand(interp, cmdName, proc, clientData, deleteProc) int Tcl_DeleteCommand(interp, cmdName) int Tcl_DeleteCommandFromToken(interp, token) int Tcl_GetCommandInfo(interp, cmdName, infoPtr) int Tcl_SetCommandInfo(interp, cmdName, infoPtr) int Tcl_GetCommandInfoFromToken(token, infoPtr) int Tcl_SetCommandInfoFromToken(token, infoPtr) const char * Tcl_GetCommandName(interp, token) void Tcl_GetCommandFullName(interp, token, objPtr) Tcl_Command…

Tcl_AppendExportList, Tcl_CreateNamespace, Tcl_DeleteNamespace, Tcl_Export, Tcl_FindCommand, Tcl_FindNamespace, Tcl_ForgetImport, Tcl_GetCurrentNamespace, Tcl_GetGlobalNamespace, Tcl_GetNamespaceUnknownHandler, Tcl_Import, Tcl_SetNamespaceUnknownHandler – manipulate namespaces Synopsis #include <tcl.h> Tcl_Namespace * Tcl_CreateNamespace(interp, name, clientData, deleteProc) Tcl_DeleteNamespace(nsPtr) int Tcl_AppendExportList(interp, nsPtr, objPtr) int Tcl_Export(interp, nsPtr, pattern, resetListFirst) int Tcl_Import(interp, nsPtr, pattern, allowOverwrite) int Tcl_ForgetImport(interp, nsPtr, pattern) Tcl_Namespace * Tcl_GetCurrentNamespace(interp) Tcl_Namespace * Tcl_GetGlobalNamespace(interp) Tcl_Namespace * Tcl_FindNamespace(interp, name, contextNsPtr, flags)…

Tcl_CreateMathFunc, Tcl_GetMathFuncInfo, Tcl_ListMathFuncs – Define, query and enumerate math functions for expressions Synopsis #include <tcl.h> void Tcl_CreateMathFunc(interp, name, numArgs, argTypes, proc, clientData) int Tcl_GetMathFuncInfo(interp, name, numArgsPtr, argTypesPtr, procPtr, clientDataPtr) Tcl_Obj * Tcl_ListMathFuncs(interp, pattern) Arguments Tcl_Interp *interp (in) Interpreter in which new function will be defined. const char *name (in) Name for new function. int numArgs…

Tcl_CreateInterp, Tcl_DeleteInterp, Tcl_InterpDeleted – create and delete Tcl command interpreters Synopsis #include <tcl.h> Tcl_Interp * Tcl_CreateInterp() Tcl_DeleteInterp(interp) int Tcl_InterpDeleted(interp) Arguments Tcl_Interp *interp (in) Token for interpreter to be destroyed. Description Tcl_CreateInterp creates a new interpreter structure and returns a token for it. The token is required in calls to most other Tcl procedures, such as…

Tcl_InitHashTable, Tcl_InitCustomHashTable, Tcl_InitObjHashTable, Tcl_DeleteHashTable, Tcl_CreateHashEntry, Tcl_DeleteHashEntry, Tcl_FindHashEntry, Tcl_GetHashValue, Tcl_SetHashValue, Tcl_GetHashKey, Tcl_FirstHashEntry, Tcl_NextHashEntry, Tcl_HashStats – procedures to manage hash tables Synopsis #include <tcl.h> Tcl_InitHashTable(tablePtr, keyType) Tcl_InitCustomHashTable(tablePtr, keyType, typePtr) Tcl_InitObjHashTable(tablePtr) Tcl_DeleteHashTable(tablePtr) Tcl_HashEntry * Tcl_CreateHashEntry(tablePtr, key, newPtr) Tcl_DeleteHashEntry(entryPtr) Tcl_HashEntry * Tcl_FindHashEntry(tablePtr, key) ClientData Tcl_GetHashValue(entryPtr) Tcl_SetHashValue(entryPtr, value) char * Tcl_GetHashKey(tablePtr, entryPtr) Tcl_HashEntry * Tcl_FirstHashEntry(tablePtr, searchPtr) Tcl_HashEntry * Tcl_NextHashEntry(searchPtr) char…

Tcl_CreateFileHandler, Tcl_DeleteFileHandler – associate procedure callbacks with files or devices (Unix only) Synopsis #include <tcl.h> Tcl_CreateFileHandler(fd, mask, proc, clientData) Tcl_DeleteFileHandler(fd) Arguments int fd (in) Unix file descriptor for an open file or device. int mask (in) Conditions under which proc should be called: OR-ed combination of TCL_READABLE, TCL_WRITABLE, and TCL_EXCEPTION. May be set to 0…

Tcl_Exit, Tcl_Finalize, Tcl_CreateExitHandler, Tcl_DeleteExitHandler, Tcl_ExitThread, Tcl_FinalizeThread, Tcl_CreateThreadExitHandler, Tcl_DeleteThreadExitHandler, Tcl_SetExitProc – end the application or thread (and invoke exit handlers) Synopsis #include <tcl.h> Tcl_Exit(status) Tcl_Finalize() Tcl_CreateExitHandler(proc, clientData) Tcl_DeleteExitHandler(proc, clientData) Tcl_ExitThread(status) Tcl_FinalizeThread() Tcl_CreateThreadExitHandler(proc, clientData) Tcl_DeleteThreadExitHandler(proc, clientData) Tcl_ExitProc * Tcl_SetExitProc(proc) Arguments int status (in) Provides information about why the application or thread exited. Exact meaning may be platform-specific….

Tcl_CreateEventSource, Tcl_DeleteEventSource, Tcl_SetMaxBlockTime, Tcl_QueueEvent, Tcl_ThreadQueueEvent, Tcl_ThreadAlert, Tcl_GetCurrentThread, Tcl_DeleteEvents, Tcl_InitNotifier, Tcl_FinalizeNotifier, Tcl_WaitForEvent, Tcl_AlertNotifier, Tcl_SetTimer, Tcl_ServiceAll, Tcl_ServiceEvent, Tcl_GetServiceMode, Tcl_SetServiceMode – the event queue and notifier interfaces Synopsis #include <tcl.h> void Tcl_CreateEventSource(setupProc, checkProc, clientData) void Tcl_DeleteEventSource(setupProc, checkProc, clientData) void Tcl_SetMaxBlockTime(timePtr) void Tcl_QueueEvent(evPtr, position) void Tcl_ThreadQueueEvent(threadId, evPtr, position) void Tcl_ThreadAlert(threadId) Tcl_ThreadId Tcl_GetCurrentThread() void Tcl_DeleteEvents(deleteProc, clientData) ClientData Tcl_InitNotifier() void Tcl_FinalizeNotifier(clientData)…

Tcl_CreateEnsemble, Tcl_FindEnsemble, Tcl_GetEnsembleFlags, Tcl_GetEnsembleMappingDict, Tcl_GetEnsembleNamespace, Tcl_GetEnsembleUnknownHandler, Tcl_GetEnsembleSubcommandList, Tcl_IsEnsemble, Tcl_SetEnsembleFlags, Tcl_SetEnsembleMappingDict, Tcl_SetEnsembleSubcommandList, Tcl_SetEnsembleUnknownHandler – manipulate ensemble commands Synopsis #include <tcl.h> Tcl_Command Tcl_CreateEnsemble(interp, name, namespacePtr, ensFlags) Tcl_Command Tcl_FindEnsemble(interp, cmdNameObj, flags) int Tcl_IsEnsemble(token) int Tcl_GetEnsembleFlags(interp, token, ensFlagsPtr) int Tcl_SetEnsembleFlags(interp, token, ensFlags) int Tcl_GetEnsembleMappingDict(interp, token, dictObjPtr) int Tcl_SetEnsembleMappingDict(interp, token, dictObj) int Tcl_GetEnsembleSubcommandList(interp, token, listObjPtr) int Tcl_SetEnsembleSubcommandList(interp, token, listObj) int…

Tcl_GetEncoding, Tcl_FreeEncoding, Tcl_GetEncodingFromObj, Tcl_ExternalToUtfDString, Tcl_ExternalToUtf, Tcl_UtfToExternalDString, Tcl_UtfToExternal, Tcl_WinTCharToUtf, Tcl_WinUtfToTChar, Tcl_GetEncodingName, Tcl_SetSystemEncoding, Tcl_GetEncodingNameFromEnvironment, Tcl_GetEncodingNames, Tcl_CreateEncoding, Tcl_GetEncodingSearchPath, Tcl_SetEncodingSearchPath, Tcl_GetDefaultEncodingDir, Tcl_SetDefaultEncodingDir – procedures for creating and using encodings Synopsis #include <tcl.h> Tcl_Encoding Tcl_GetEncoding(interp, name) void Tcl_FreeEncoding(encoding) int Tcl_GetEncodingFromObj(interp, objPtr, encodingPtr) char * Tcl_ExternalToUtfDString(encoding, src, srcLen, dstPtr) char * Tcl_UtfToExternalDString(encoding, src, srcLen, dstPtr) int Tcl_ExternalToUtf(interp, encoding, src, srcLen, flags,…

Tcl_CreateCommand – implement new commands in C Synopsis #include <tcl.h> Tcl_Command Tcl_CreateCommand(interp, cmdName, proc, clientData, deleteProc) Arguments Tcl_Interp *interp (in) Interpreter in which to create new command. const char *cmdName (in) Name of command. Tcl_CmdProc *proc (in) Implementation of new command: proc will be called whenever cmdName is invoked as a command. ClientData clientData (in)…

Tcl_CreateCloseHandler, Tcl_DeleteCloseHandler – arrange for callbacks when channels are closed Synopsis #include <tcl.h> void Tcl_CreateCloseHandler(channel, proc, clientData) void Tcl_DeleteCloseHandler(channel, proc, clientData) Arguments Tcl_Channel channel (in) The channel for which to create or delete a close callback. Tcl_CloseProc *proc (in) The procedure to call as the callback. ClientData clientData (in) Arbitrary one-word value to pass to…

Tcl_CreateChannelHandler, Tcl_DeleteChannelHandler – call a procedure when a channel becomes readable or writable Synopsis #include <tcl.h> void Tcl_CreateChannelHandler(channel, mask, proc, clientData) void Tcl_DeleteChannelHandler(channel, proc, clientData) Arguments Tcl_Channel channel (in) Tcl channel such as returned by Tcl_CreateChannel. int mask (in) Conditions under which proc should be called: OR-ed combination of TCL_READABLE, TCL_WRITABLE and TCL_EXCEPTION. Specify a…

Tcl_CreateChannel, Tcl_GetChannelInstanceData, Tcl_GetChannelType, Tcl_GetChannelName, Tcl_GetChannelHandle, Tcl_GetChannelMode, Tcl_GetChannelBufferSize, Tcl_SetChannelBufferSize, Tcl_NotifyChannel, Tcl_BadChannelOption, Tcl_ChannelName, Tcl_ChannelVersion, Tcl_ChannelBlockModeProc, Tcl_ChannelCloseProc, Tcl_ChannelClose2Proc, Tcl_ChannelInputProc, Tcl_ChannelOutputProc, Tcl_ChannelSeekProc, Tcl_ChannelWideSeekProc, Tcl_ChannelTruncateProc, Tcl_ChannelSetOptionProc, Tcl_ChannelGetOptionProc, Tcl_ChannelWatchProc, Tcl_ChannelGetHandleProc, Tcl_ChannelFlushProc, Tcl_ChannelHandlerProc, Tcl_ChannelThreadActionProc, Tcl_IsChannelShared, Tcl_IsChannelRegistered, Tcl_CutChannel, Tcl_SpliceChannel, Tcl_IsChannelExisting, Tcl_ClearChannelHandlers, Tcl_GetChannelThread, Tcl_ChannelBuffered – procedures for creating and manipulating channels Synopsis #include <tcl.h> Tcl_Channel Tcl_CreateChannel(typePtr, channelName, instanceData, mask) ClientData Tcl_GetChannelInstanceData(channel) Tcl_ChannelType * Tcl_GetChannelType(channel)…

Tcl_IsSafe, Tcl_MakeSafe, Tcl_CreateSlave, Tcl_GetSlave, Tcl_GetMaster, Tcl_GetInterpPath, Tcl_CreateAlias, Tcl_CreateAliasObj, Tcl_GetAlias, Tcl_GetAliasObj, Tcl_ExposeCommand, Tcl_HideCommand – manage multiple Tcl interpreters, aliases and hidden commands Synopsis #include <tcl.h> int Tcl_IsSafe(interp) int Tcl_MakeSafe(interp) Tcl_Interp * Tcl_CreateSlave(interp, slaveName, isSafe) Tcl_Interp * Tcl_GetSlave(interp, slaveName) Tcl_Interp * Tcl_GetMaster(interp) int Tcl_GetInterpPath(askingInterp, slaveInterp) int Tcl_CreateAlias(slaveInterp, slaveCmd, targetInterp, targetCmd, argc, argv) int Tcl_CreateAliasObj(slaveInterp, slaveCmd, targetInterp, targetCmd,…

Tcl_IsSafe, Tcl_MakeSafe, Tcl_CreateSlave, Tcl_GetSlave, Tcl_GetMaster, Tcl_GetInterpPath, Tcl_CreateAlias, Tcl_CreateAliasObj, Tcl_GetAlias, Tcl_GetAliasObj, Tcl_ExposeCommand, Tcl_HideCommand – manage multiple Tcl interpreters, aliases and hidden commands Synopsis #include <tcl.h> int Tcl_IsSafe(interp) int Tcl_MakeSafe(interp) Tcl_Interp * Tcl_CreateSlave(interp, slaveName, isSafe) Tcl_Interp * Tcl_GetSlave(interp, slaveName) Tcl_Interp * Tcl_GetMaster(interp) int Tcl_GetInterpPath(askingInterp, slaveInterp) int Tcl_CreateAlias(slaveInterp, slaveCmd, targetInterp, targetCmd, argc, argv) int Tcl_CreateAliasObj(slaveInterp, slaveCmd, targetInterp, targetCmd,…

Tcl_ClassGetMetadata, Tcl_ClassSetMetadata, Tcl_CopyObjectInstance, Tcl_GetClassAsObject, Tcl_GetObjectAsClass, Tcl_GetObjectCommand, Tcl_GetObjectFromObj, Tcl_GetObjectName, Tcl_GetObjectNamespace, Tcl_NewObjectInstance, Tcl_ObjectDeleted, Tcl_ObjectGetMetadata, Tcl_ObjectGetMethodNameMapper, Tcl_ObjectSetMetadata, Tcl_ObjectSetMethodNameMapper – manipulate objects and classes Synopsis #include <tclOO.h> Tcl_Object Tcl_GetObjectFromObj(interp, objPtr) Tcl_Object Tcl_GetClassAsObject(class) Tcl_Class Tcl_GetObjectAsClass(object) Tcl_Obj * Tcl_GetObjectName(interp, object) Tcl_Command Tcl_GetObjectCommand(object) Tcl_Namespace * Tcl_GetObjectNamespace(object) Tcl_Object Tcl_NewObjectInstance(interp, class, name, nsName, objc, objv, skip) Tcl_Object Tcl_CopyObjectInstance(interp, object, name, nsName) int Tcl_ObjectDeleted(object) ClientData…

Tcl_RegisterObjType, Tcl_GetObjType, Tcl_AppendAllObjTypes, Tcl_ConvertToType – manipulate Tcl object types Synopsis #include <tcl.h> Tcl_RegisterObjType(typePtr) Tcl_ObjType * Tcl_GetObjType(typeName) int Tcl_AppendAllObjTypes(interp, objPtr) int Tcl_ConvertToType(interp, objPtr, typePtr) Arguments Tcl_ObjType *typePtr (in) Points to the structure containing information about the Tcl object type. This storage must live forever, typically by being statically allocated. const char *typeName (in) The name of…