SysTutorials Posts

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

Tcl_Interp – client-visible fields of interpreter structures Synopsis #include <tcl.h> typedef struct { char *result; Tcl_FreeProc *freeProc; int errorLine; } Tcl_Interp; typedef void Tcl_FreeProc(char *blockPtr); Description The Tcl_CreateInterp procedure returns a pointer to a Tcl_Interp structure. This pointer is then passed into other Tcl procedures to process commands in the interpreter and perform other operations…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis #include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp,…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis #include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp,…

Tcl_InitStubs – initialize the Tcl stubs mechanism Synopsis #include <tcl.h> const char * Tcl_InitStubs(interp, version, exact) Arguments Tcl_Interp *interp (in) Tcl interpreter handle. const char *version (in) A version string consisting of one or more decimal numbers separated by dots. int exact (in) Non-zero means that only the particular version specified by version is acceptable….

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_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_DumpActiveMemory, Tcl_InitMemory, Tcl_ValidateAllMemory – Validated memory allocation interface Synopsis #include <tcl.h> int Tcl_DumpActiveMemory(fileName) void Tcl_InitMemory(interp) void Tcl_ValidateAllMemory(fileName, line) Arguments Tcl_Interp *interp (in) Tcl interpreter in which to add commands. const char *fileName (in) For Tcl_DumpActiveMemory, name of the file to which memory information will be written. For Tcl_ValidateAllMemory, name of the file from which the…

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_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_Init – find and source initialization script Synopsis #include <tcl.h> int Tcl_Init(interp) Arguments Tcl_Interp *interp (in) Interpreter to initialize. Description Tcl_Init is a helper procedure that finds and sources the init.tcl script, which should exist somewhere on the Tcl library path. Tcl_Init is typically called from Tcl_AppInit procedures. See Also Tcl_AppInit, Tcl_Main Keywords application, initialization,…

Tcl_NewObj, Tcl_DuplicateObj, Tcl_IncrRefCount, Tcl_DecrRefCount, Tcl_IsShared, Tcl_InvalidateStringRep – manipulate Tcl objects Synopsis #include <tcl.h> Tcl_Obj * Tcl_NewObj() Tcl_Obj * Tcl_DuplicateObj(objPtr) Tcl_IncrRefCount(objPtr) Tcl_DecrRefCount(objPtr) int Tcl_IsShared(objPtr) Tcl_InvalidateStringRep(objPtr) Arguments Tcl_Obj *objPtr (in) Points to an object; must have been the result of a previous call to Tcl_NewObj. Introduction This man page presents an overview of Tcl objects and how…

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_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_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_EvalObjEx, Tcl_EvalFile, Tcl_EvalObjv, Tcl_Eval, Tcl_EvalEx, Tcl_GlobalEval, Tcl_GlobalEvalObj, Tcl_VarEval, Tcl_VarEvalVA – execute Tcl scripts Synopsis #include <tcl.h> int Tcl_EvalObjEx(interp, objPtr, flags) int Tcl_EvalFile(interp, fileName) int Tcl_EvalObjv(interp, objc, objv, flags) int Tcl_Eval(interp, script) int Tcl_EvalEx(interp, script, numBytes, flags) int Tcl_GlobalEval(interp, script) int Tcl_GlobalEvalObj(interp, objPtr) int Tcl_VarEval(interp, part, part, … (char *) NULL) int Tcl_VarEvalVA(interp, argList) Arguments Tcl_Interp…

Tcl_EvalObjEx, Tcl_EvalFile, Tcl_EvalObjv, Tcl_Eval, Tcl_EvalEx, Tcl_GlobalEval, Tcl_GlobalEvalObj, Tcl_VarEval, Tcl_VarEvalVA – execute Tcl scripts Synopsis #include <tcl.h> int Tcl_EvalObjEx(interp, objPtr, flags) int Tcl_EvalFile(interp, fileName) int Tcl_EvalObjv(interp, objc, objv, flags) int Tcl_Eval(interp, script) int Tcl_EvalEx(interp, script, numBytes, flags) int Tcl_GlobalEval(interp, script) int Tcl_GlobalEvalObj(interp, objPtr) int Tcl_VarEval(interp, part, part, … (char *) NULL) int Tcl_VarEvalVA(interp, argList) Arguments Tcl_Interp…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis #include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp,…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis #include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp,…

Tcl_NewIntObj, Tcl_NewLongObj, Tcl_NewWideIntObj, Tcl_SetIntObj, Tcl_SetLongObj, Tcl_SetWideIntObj, Tcl_GetIntFromObj, Tcl_GetLongFromObj, Tcl_GetWideIntFromObj, Tcl_NewBignumObj, Tcl_SetBignumObj, Tcl_GetBignumFromObj, Tcl_TakeBignumFromObj – manipulate Tcl objects as integer values Synopsis #include <tcl.h> Tcl_Obj * Tcl_NewIntObj(intValue) Tcl_Obj * Tcl_NewLongObj(longValue) Tcl_Obj * Tcl_NewWideIntObj(wideValue) Tcl_SetIntObj(objPtr, intValue) Tcl_SetLongObj(objPtr, longValue) Tcl_SetWideIntObj(objPtr, wideValue) int Tcl_GetIntFromObj(interp, objPtr, intPtr) int Tcl_GetLongFromObj(interp, objPtr, longPtr) int Tcl_GetWideIntFromObj(interp, objPtr, widePtr) #include <tclTomMath.h> Tcl_Obj * Tcl_NewBignumObj(bigValue)…