tcl.h Go to the documentation of this file. /* * tcl.h -- * * This header file describes the externally-visible facilities of the * Tcl interpreter. * * Copyright (c) 1987-1994 The Regents of the University of California. * Copyright (c) 1993-1996 Lucent Technologies. * Copyright (c) 1994-1998 Sun Microsystems, Inc. * Copyright (c) 1998-2000 by Scriptics Corporation. * Copyright (c) 2002 by Kevin B. Kenny. All rights reserved. * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * * RCS: @(#) $Id: tcl.h,v 1.249 2008/02/04 17:29:10 dgp Exp $ */ #ifndef _TCL #define _TCL /* * For C++ compilers, use extern "C" */ #ifdef __cplusplus extern "C" { #endif /* * The following defines are used to indicate the various release levels. */ #define TCL_ALPHA_RELEASE 0 #define TCL_BETA_RELEASE 1 #define TCL_FINAL_RELEASE 2 /* * When version numbers change here, must also go into the following files and * update the version numbers: * * library/init.tcl (1 LOC patch) * unix/configure.in (2 LOC Major, 2 LOC minor, 1 LOC patch) * win/configure.in (as above) * win/tcl.m4 (not patchlevel) * win/makefile.bc (not patchlevel) 2 LOC * README (sections 0 and 2, with and without separator) * macosx/Tcl.pbproj/project.pbxproj (not patchlevel) 1 LOC * macosx/Tcl.pbproj/default.pbxuser (not patchlevel) 1 LOC * macosx/Tcl.xcode/project.pbxproj (not patchlevel) 2 LOC * macosx/Tcl.xcode/default.pbxuser (not patchlevel) 1 LOC * macosx/Tcl-Common.xcconfig (not patchlevel) 1 LOC * win/README (not patchlevel) (sections 0 and 2) * unix/tcl.spec (1 LOC patch) * tools/tcl.hpj.in (not patchlevel, for windows installer) * tools/tcl.wse.in (for windows installer) * tools/tclSplash.bmp (not patchlevel) */ #define TCL_MAJOR_VERSION 8 #define TCL_MINOR_VERSION 5 #define TCL_RELEASE_LEVEL TCL_FINAL_RELEASE #define TCL_RELEASE_SERIAL 1 #define TCL_VERSION "8.5" #define TCL_PATCH_LEVEL "8.5.1" /* * The following definitions set up the proper options for Windows compilers. * We use this method because there is no autoconf equivalent. */ #ifndef __WIN32__ # if defined(_WIN32) || defined(WIN32) || defined(__MINGW32__) || defined(__BORLANDC__) || (defined(__WATCOMC__) && defined(__WINDOWS_386__)) # define __WIN32__ # ifndef WIN32 # define WIN32 # endif # ifndef _WIN32 # define _WIN32 # endif # endif #endif /* * STRICT: See MSDN Article Q83456 */ #ifdef __WIN32__ # ifndef STRICT # define STRICT # endif #endif /* __WIN32__ */ /* * Utility macros: STRINGIFY takes an argument and wraps it in "" (double * quotation marks), JOIN joins two arguments. */ #ifndef STRINGIFY # define STRINGIFY(x) STRINGIFY1(x) # define STRINGIFY1(x) #x #endif #ifndef JOIN # define JOIN(a,b) JOIN1(a,b) # define JOIN1(a,b) a##b #endif /* * A special definition used to allow this header file to be included from * windows resource files so that they can obtain version information. * RC_INVOKED is defined by default by the windows RC tool. * * Resource compilers don't like all the C stuff, like typedefs and function * declarations, that occur below, so block them out. */ #ifndef RC_INVOKED /* * Special macro to define mutexes, that doesn't do anything if we are not * using threads. */ #ifdef TCL_THREADS #define TCL_DECLARE_MUTEX(name) static Tcl_Mutex name; #else #define TCL_DECLARE_MUTEX(name) #endif /* * Tcl's public routine Tcl_FSSeek() uses the values SEEK_SET, SEEK_CUR, and * SEEK_END, all #define'd by stdio.h . * * Also, many extensions need stdio.h, and they've grown accustomed to tcl.h * providing it for them rather than #include-ing it themselves as they * should, so also for their sake, we keep the #include to be consistent with * prior Tcl releases. */ #include <stdio.h> /* * Support for functions with a variable number of arguments. * * The following TCL_VARARGS* macros are to support old extensions * written for older versions of Tcl where the macros permitted * support for the varargs.h system as well as stdarg.h . * * New code should just directly be written to use stdarg.h conventions. */ #include <stdarg.h> #ifndef TCL_NO_DEPRECATED # define TCL_VARARGS(type, name) (type name, ...) # define TCL_VARARGS_DEF(type, name) (type name, ...) # define TCL_VARARGS_START(type, name, list) (va_start(list, name), name) #endif /* * Macros used to declare a function to be exported by a DLL. Used by Windows, * maps to no-op declarations on non-Windows systems. The default build on * windows is for a DLL, which causes the DLLIMPORT and DLLEXPORT macros to be * nonempty. To build a static library, the macro STATIC_BUILD should be * defined. * * Note: when building static but linking dynamically to MSVCRT we must still * correctly decorate the C library imported function. Use CRTIMPORT * for this purpose. _DLL is defined by the compiler when linking to * MSVCRT. */ #if (defined(__WIN32__) && (defined(_MSC_VER) || (__BORLANDC__ >= 0x0550) || defined(__LCC__) || defined(__WATCOMC__) || (defined(__GNUC__) && defined(__declspec)))) # define HAVE_DECLSPEC 1 #endif #ifdef STATIC_BUILD # define DLLIMPORT # define DLLEXPORT # if HAVE_DECLSPEC && defined(_DLL) # define CRTIMPORT __declspec(dllimport) # else # define CRTIMPORT # endif #else # if HAVE_DECLSPEC # define DLLIMPORT __declspec(dllimport) # define DLLEXPORT __declspec(dllexport) # define CRTIMPORT __declspec(dllimport) # else # define DLLIMPORT # define DLLEXPORT # define CRTIMPORT # endif #endif /* * These macros are used to control whether functions are being declared for * import or export. If a function is being declared while it is being built * to be included in a shared library, then it should have the DLLEXPORT * storage class. If is being declared for use by a module that is going to * link against the shared library, then it should have the DLLIMPORT storage * class. If the symbol is beind declared for a static build or for use from a * stub library, then the storage class should be empty. * * The convention is that a macro called BUILD_xxxx, where xxxx is the name of * a library we are building, is set on the compile line for sources that are * to be placed in the library. When this macro is set, the storage class will * be set to DLLEXPORT. At the end of the header file, the storage class will * be reset to DLLIMPORT. */ #undef TCL_STORAGE_CLASS #ifdef BUILD_tcl # define TCL_STORAGE_CLASS DLLEXPORT #else # ifdef USE_TCL_STUBS # define TCL_STORAGE_CLASS # else # define TCL_STORAGE_CLASS DLLIMPORT # endif #endif /* * Definitions that allow this header file to be used either with or without * ANSI C features like function prototypes. */ #undef _ANSI_ARGS_ #undef CONST #ifndef INLINE # define INLINE #endif #ifndef NO_CONST # define CONST const #else # define CONST #endif #ifndef NO_PROTOTYPES # define _ANSI_ARGS_(x) x #else # define _ANSI_ARGS_(x) () #endif #ifdef USE_NON_CONST # ifdef USE_COMPAT_CONST # error define at most one of USE_NON_CONST and USE_COMPAT_CONST # endif # define CONST84 # define CONST84_RETURN #else # ifdef USE_COMPAT_CONST # define CONST84 # define CONST84_RETURN CONST # else # define CONST84 CONST # define CONST84_RETURN CONST # endif #endif /* * Make sure EXTERN isn't defined elsewhere */ #ifdef EXTERN # undef EXTERN #endif /* EXTERN */ #ifdef __cplusplus # define EXTERN extern "C" TCL_STORAGE_CLASS #else # define EXTERN extern TCL_STORAGE_CLASS #endif /* * The following code is copied from winnt.h. If we don't replicate it here, * then <windows.h> can't be included after tcl.h, since tcl.h also defines * VOID. This block is skipped under Cygwin and Mingw. */ #if defined(__WIN32__) && !defined(HAVE_WINNT_IGNORE_VOID) #ifndef VOID #define VOID void typedef char CHAR; typedef short SHORT; typedef long LONG; #endif #endif /* __WIN32__ && !HAVE_WINNT_IGNORE_VOID */ /* * Macro to use instead of "void" for arguments that must have type "void *" * in ANSI C; maps them to type "char *" in non-ANSI systems. */ #ifndef NO_VOID #define VOID void #else #define VOID char #endif /* * Miscellaneous declarations. */ #ifndef _CLIENTDATA # ifndef NO_VOID typedef void *ClientData; # else typedef int *ClientData; # endif # define _CLIENTDATA #endif /* * Darwin specifc configure overrides (to support fat compiles, where * configure runs only once for multiple architectures): */ #ifdef __APPLE__ # ifdef __LP64__ # undef TCL_WIDE_INT_TYPE # define TCL_WIDE_INT_IS_LONG 1 # define TCL_CFG_DO64BIT 1 # else /* !__LP64__ */ # define TCL_WIDE_INT_TYPE long long # undef TCL_WIDE_INT_IS_LONG # undef TCL_CFG_DO64BIT # endif /* __LP64__ */ # undef HAVE_STRUCT_STAT64 #endif /* __APPLE__ */ /* * Define Tcl_WideInt to be a type that is (at least) 64-bits wide, and define * Tcl_WideUInt to be the unsigned variant of that type (assuming that where * we have one, we can have the other.) * * Also defines the following macros: * TCL_WIDE_INT_IS_LONG - if wide ints are really longs (i.e. we're on a real * 64-bit system.) * Tcl_WideAsLong - forgetful converter from wideInt to long. * Tcl_LongAsWide - sign-extending converter from long to wideInt. * Tcl_WideAsDouble - converter from wideInt to double. * Tcl_DoubleAsWide - converter from double to wideInt. * * The following invariant should hold for any long value 'longVal': * longVal == Tcl_WideAsLong(Tcl_LongAsWide(longVal)) * * Note on converting between Tcl_WideInt and strings. This implementation (in * tclObj.c) depends on the function * sprintf(...,"%" TCL_LL_MODIFIER "d",...). */ #if !defined(TCL_WIDE_INT_TYPE)&&!defined(TCL_WIDE_INT_IS_LONG) # if defined(__GNUC__) # define TCL_WIDE_INT_TYPE long long # if defined(__WIN32__) && !defined(__CYGWIN__) # define TCL_LL_MODIFIER "I64" # else # define TCL_LL_MODIFIER "L" # endif typedef struct stat Tcl_StatBuf; # elif defined(__WIN32__) # define TCL_WIDE_INT_TYPE __int64 # ifdef __BORLANDC__ typedef struct stati64 Tcl_StatBuf; # define TCL_LL_MODIFIER "L" # else /* __BORLANDC__ */ # if _MSC_VER < 1400 || !defined(_M_IX86) typedef struct _stati64 Tcl_StatBuf; # else typedef struct _stat64 Tcl_StatBuf; # endif /* _MSC_VER < 1400 */ # define TCL_LL_MODIFIER "I64" # endif /* __BORLANDC__ */ # else /* __WIN32__ */ /* * Don't know what platform it is and configure hasn't discovered what is * going on for us. Try to guess... */ # ifdef NO_LIMITS_H # error please define either TCL_WIDE_INT_TYPE or TCL_WIDE_INT_IS_LONG # else /* !NO_LIMITS_H */ # include <limits.h> # if (INT_MAX < LONG_MAX) # define TCL_WIDE_INT_IS_LONG 1 # else # define TCL_WIDE_INT_TYPE long long # endif # endif /* NO_LIMITS_H */ # endif /* __WIN32__ */ #endif /* !TCL_WIDE_INT_TYPE & !TCL_WIDE_INT_IS_LONG */ #ifdef TCL_WIDE_INT_IS_LONG # undef TCL_WIDE_INT_TYPE # define TCL_WIDE_INT_TYPE long #endif /* TCL_WIDE_INT_IS_LONG */ typedef TCL_WIDE_INT_TYPE Tcl_WideInt; typedef unsigned TCL_WIDE_INT_TYPE Tcl_WideUInt; #ifdef TCL_WIDE_INT_IS_LONG typedef struct stat Tcl_StatBuf; # define Tcl_WideAsLong(val) ((long)(val)) # define Tcl_LongAsWide(val) ((long)(val)) # define Tcl_WideAsDouble(val) ((double)((long)(val))) # define Tcl_DoubleAsWide(val) ((long)((double)(val))) # ifndef TCL_LL_MODIFIER # define TCL_LL_MODIFIER "l" # endif /* !TCL_LL_MODIFIER */ #else /* TCL_WIDE_INT_IS_LONG */ /* * The next short section of defines are only done when not running on Windows * or some other strange platform. */ # ifndef TCL_LL_MODIFIER # ifdef HAVE_STRUCT_STAT64 typedef struct stat64 Tcl_StatBuf; # else typedef struct stat Tcl_StatBuf; # endif /* HAVE_STRUCT_STAT64 */ # define TCL_LL_MODIFIER "ll" # endif /* !TCL_LL_MODIFIER */ # define Tcl_WideAsLong(val) ((long)((Tcl_WideInt)(val))) # define Tcl_LongAsWide(val) ((Tcl_WideInt)((long)(val))) # define Tcl_WideAsDouble(val) ((double)((Tcl_WideInt)(val))) # define Tcl_DoubleAsWide(val) ((Tcl_WideInt)((double)(val))) #endif /* TCL_WIDE_INT_IS_LONG */ /* * Data structures defined opaquely in this module. The definitions below just * provide dummy types. A few fields are made visible in Tcl_Interp * structures, namely those used for returning a string result from commands. * Direct access to the result field is discouraged in Tcl 8.0. The * interpreter result is either an object or a string, and the two values are * kept consistent unless some C code sets interp->result directly. * Programmers should use either the function Tcl_GetObjResult() or * Tcl_GetStringResult() to read the interpreter's result. See the SetResult * man page for details. * * Note: any change to the Tcl_Interp definition below must be mirrored in the * "real" definition in tclInt.h. * * Note: Tcl_ObjCmdProc functions do not directly set result and freeProc. * Instead, they set a Tcl_Obj member in the "real" structure that can be * accessed with Tcl_GetObjResult() and Tcl_SetObjResult(). */ typedef struct Tcl_Interp { char *result; /* If the last command returned a string * result, this points to it. */ void (*freeProc) _ANSI_ARGS_((char *blockPtr)); /* Zero means the string result is statically * allocated. TCL_DYNAMIC means it was * allocated with ckalloc and should be freed * with ckfree. Other values give the address * of function to invoke to free the result. * Tcl_Eval must free it before executing next * command. */ int errorLine; /* When TCL_ERROR is returned, this gives the * line number within the command where the * error occurred (1 if first line). */ } Tcl_Interp; typedef struct Tcl_AsyncHandler_ *Tcl_AsyncHandler; typedef struct Tcl_Channel_ *Tcl_Channel; typedef struct Tcl_ChannelTypeVersion_ *Tcl_ChannelTypeVersion; typedef struct Tcl_Command_ *Tcl_Command; typedef struct Tcl_Condition_ *Tcl_Condition; typedef struct Tcl_Dict_ *Tcl_Dict; typedef struct Tcl_EncodingState_ *Tcl_EncodingState; typedef struct Tcl_Encoding_ *Tcl_Encoding; typedef struct Tcl_Event Tcl_Event; typedef struct Tcl_InterpState_ *Tcl_InterpState; typedef struct Tcl_LoadHandle_ *Tcl_LoadHandle; typedef struct Tcl_Mutex_ *Tcl_Mutex; typedef struct Tcl_Pid_ *Tcl_Pid; typedef struct Tcl_RegExp_ *Tcl_RegExp; typedef struct Tcl_ThreadDataKey_ *Tcl_ThreadDataKey; typedef struct Tcl_ThreadId_ *Tcl_ThreadId; typedef struct Tcl_TimerToken_ *Tcl_TimerToken; typedef struct Tcl_Trace_ *Tcl_Trace; typedef struct Tcl_Var_ *Tcl_Var; /* * Definition of the interface to functions implementing threads. A function * following this definition is given to each call of 'Tcl_CreateThread' and * will be called as the main fuction of the new thread created by that call. */ #if defined __WIN32__ typedef unsigned (__stdcall Tcl_ThreadCreateProc) _ANSI_ARGS_((ClientData clientData)); #else typedef void (Tcl_ThreadCreateProc) _ANSI_ARGS_((ClientData clientData)); #endif /* * Threading function return types used for abstracting away platform * differences when writing a Tcl_ThreadCreateProc. See the NewThread function * in generic/tclThreadTest.c for it's usage. */ #if defined __WIN32__ # define Tcl_ThreadCreateType unsigned __stdcall # define TCL_THREAD_CREATE_RETURN return 0 #else # define Tcl_ThreadCreateType void # define TCL_THREAD_CREATE_RETURN #endif /* * Definition of values for default stacksize and the possible flags to be * given to Tcl_CreateThread. */ #define TCL_THREAD_STACK_DEFAULT (0) /* Use default size for stack */ #define TCL_THREAD_NOFLAGS (0000) /* Standard flags, default behaviour */ #define TCL_THREAD_JOINABLE (0001) /* Mark the thread as joinable */ /* * Flag values passed to Tcl_StringCaseMatch. */ #define TCL_MATCH_NOCASE (1<<0) /* * Flag values passed to Tcl_GetRegExpFromObj. */ #define TCL_REG_BASIC 000000 /* BREs (convenience) */ #define TCL_REG_EXTENDED 000001 /* EREs */ #define TCL_REG_ADVF 000002 /* advanced features in EREs */ #define TCL_REG_ADVANCED 000003 /* AREs (which are also EREs) */ #define TCL_REG_QUOTE 000004 /* no special characters, none */ #define TCL_REG_NOCASE 000010 /* ignore case */ #define TCL_REG_NOSUB 000020 /* don't care about subexpressions */ #define TCL_REG_EXPANDED 000040 /* expanded format, white space & * comments */ #define TCL_REG_NLSTOP 000100 /* \n doesn't match . or [^ ] */ #define TCL_REG_NLANCH 000200 /* ^ matches after \n, $ before */ #define TCL_REG_NEWLINE 000300 /* newlines are line terminators */ #define TCL_REG_CANMATCH 001000 /* report details on partial/limited * matches */ /* * Flags values passed to Tcl_RegExpExecObj. */ #define TCL_REG_NOTBOL 0001 /* Beginning of string does not match ^. */ #define TCL_REG_NOTEOL 0002 /* End of string does not match $. */ /* * Structures filled in by Tcl_RegExpInfo. Note that all offset values are * relative to the start of the match string, not the beginning of the entire * string. */ typedef struct Tcl_RegExpIndices { long start; /* Character offset of first character in * match. */ long end; /* Character offset of first character after * the match. */ } Tcl_RegExpIndices; typedef struct Tcl_RegExpInfo { int nsubs; /* Number of subexpressions in the compiled * expression. */ Tcl_RegExpIndices *matches; /* Array of nsubs match offset pairs. */ long extendStart; /* The offset at which a subsequent match * might begin. */ long reserved; /* Reserved for later use. */ } Tcl_RegExpInfo; /* * Picky compilers complain if this typdef doesn't appear before the struct's * reference in tclDecls.h. */ typedef Tcl_StatBuf *Tcl_Stat_; typedef struct stat *Tcl_OldStat_; /* * When a TCL command returns, the interpreter contains a result from the * command. Programmers are strongly encouraged to use one of the functions * Tcl_GetObjResult() or Tcl_GetStringResult() to read the interpreter's * result. See the SetResult man page for details. Besides this result, the * command function returns an integer code, which is one of the following: * * TCL_OK Command completed normally; the interpreter's result * contains the command's result. * TCL_ERROR The command couldn't be completed successfully; the * interpreter's result describes what went wrong. * TCL_RETURN The command requests that the current function return; * the interpreter's result contains the function's * return value. * TCL_BREAK The command requests that the innermost loop be * exited; the interpreter's result is meaningless. * TCL_CONTINUE Go on to the next iteration of the current loop; the * interpreter's result is meaningless. */ #define TCL_OK 0 #define TCL_ERROR 1 #define TCL_RETURN 2 #define TCL_BREAK 3 #define TCL_CONTINUE 4 #define TCL_RESULT_SIZE 200 /* * Flags to control what substitutions are performed by Tcl_SubstObj(): */ #define TCL_SUBST_COMMANDS 001 #define TCL_SUBST_VARIABLES 002 #define TCL_SUBST_BACKSLASHES 004 #define TCL_SUBST_ALL 007 /* * Argument descriptors for math function callbacks in expressions: */ typedef enum { TCL_INT, TCL_DOUBLE, TCL_EITHER, TCL_WIDE_INT } Tcl_ValueType; typedef struct Tcl_Value { Tcl_ValueType type; /* Indicates intValue or doubleValue is valid, * or both. */ long intValue; /* Integer value. */ double doubleValue; /* Double-precision floating value. */ Tcl_WideInt wideValue; /* Wide (min. 64-bit) integer value. */ } Tcl_Value; /* * Forward declaration of Tcl_Obj to prevent an error when the forward * reference to Tcl_Obj is encountered in the function types declared below. */ struct Tcl_Obj; /* * Function types defined by Tcl: */ typedef int (Tcl_AppInitProc) _ANSI_ARGS_((Tcl_Interp *interp)); typedef int (Tcl_AsyncProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int code)); typedef void (Tcl_ChannelProc) _ANSI_ARGS_((ClientData clientData, int mask)); typedef void (Tcl_CloseProc) _ANSI_ARGS_((ClientData data)); typedef void (Tcl_CmdDeleteProc) _ANSI_ARGS_((ClientData clientData)); typedef int (Tcl_CmdProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int argc, CONST84 char *argv[])); typedef void (Tcl_CmdTraceProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int level, char *command, Tcl_CmdProc *proc, ClientData cmdClientData, int argc, CONST84 char *argv[])); typedef int (Tcl_CmdObjTraceProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int level, CONST char *command, Tcl_Command commandInfo, int objc, struct Tcl_Obj * CONST * objv)); typedef void (Tcl_CmdObjTraceDeleteProc) _ANSI_ARGS_((ClientData clientData)); typedef void (Tcl_DupInternalRepProc) _ANSI_ARGS_((struct Tcl_Obj *srcPtr, struct Tcl_Obj *dupPtr)); typedef int (Tcl_EncodingConvertProc)_ANSI_ARGS_((ClientData clientData, CONST char *src, int srcLen, int flags, Tcl_EncodingState *statePtr, char *dst, int dstLen, int *srcReadPtr, int *dstWrotePtr, int *dstCharsPtr)); typedef void (Tcl_EncodingFreeProc)_ANSI_ARGS_((ClientData clientData)); typedef int (Tcl_EventProc) _ANSI_ARGS_((Tcl_Event *evPtr, int flags)); typedef void (Tcl_EventCheckProc) _ANSI_ARGS_((ClientData clientData, int flags)); typedef int (Tcl_EventDeleteProc) _ANSI_ARGS_((Tcl_Event *evPtr, ClientData clientData)); typedef void (Tcl_EventSetupProc) _ANSI_ARGS_((ClientData clientData, int flags)); typedef void (Tcl_ExitProc) _ANSI_ARGS_((ClientData clientData)); typedef void (Tcl_FileProc) _ANSI_ARGS_((ClientData clientData, int mask)); typedef void (Tcl_FileFreeProc) _ANSI_ARGS_((ClientData clientData)); typedef void (Tcl_FreeInternalRepProc) _ANSI_ARGS_((struct Tcl_Obj *objPtr)); typedef void (Tcl_FreeProc) _ANSI_ARGS_((char *blockPtr)); typedef void (Tcl_IdleProc) _ANSI_ARGS_((ClientData clientData)); typedef void (Tcl_InterpDeleteProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp)); typedef int (Tcl_MathProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, Tcl_Value *args, Tcl_Value *resultPtr)); typedef void (Tcl_NamespaceDeleteProc) _ANSI_ARGS_((ClientData clientData)); typedef int (Tcl_ObjCmdProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, struct Tcl_Obj * CONST * objv)); typedef int (Tcl_PackageInitProc) _ANSI_ARGS_((Tcl_Interp *interp)); typedef int (Tcl_PackageUnloadProc) _ANSI_ARGS_((Tcl_Interp *interp, int flags)); typedef void (Tcl_PanicProc) _ANSI_ARGS_((CONST char *format, ...)); typedef void (Tcl_TcpAcceptProc) _ANSI_ARGS_((ClientData callbackData, Tcl_Channel chan, char *address, int port)); typedef void (Tcl_TimerProc) _ANSI_ARGS_((ClientData clientData)); typedef int (Tcl_SetFromAnyProc) _ANSI_ARGS_((Tcl_Interp *interp, struct Tcl_Obj *objPtr)); typedef void (Tcl_UpdateStringProc) _ANSI_ARGS_((struct Tcl_Obj *objPtr)); typedef char *(Tcl_VarTraceProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, CONST84 char *part1, CONST84 char *part2, int flags)); typedef void (Tcl_CommandTraceProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, CONST char *oldName, CONST char *newName, int flags)); typedef void (Tcl_CreateFileHandlerProc) _ANSI_ARGS_((int fd, int mask, Tcl_FileProc *proc, ClientData clientData)); typedef void (Tcl_DeleteFileHandlerProc) _ANSI_ARGS_((int fd)); typedef void (Tcl_AlertNotifierProc) _ANSI_ARGS_((ClientData clientData)); typedef void (Tcl_ServiceModeHookProc) _ANSI_ARGS_((int mode)); typedef ClientData (Tcl_InitNotifierProc) _ANSI_ARGS_((VOID)); typedef void (Tcl_FinalizeNotifierProc) _ANSI_ARGS_((ClientData clientData)); typedef void (Tcl_MainLoopProc) _ANSI_ARGS_((void)); /* * The following structure represents a type of object, which is a particular * internal representation for an object plus a set of functions that provide * standard operations on objects of that type. */ typedef struct Tcl_ObjType { char *name; /* Name of the type, e.g. "int". */ Tcl_FreeInternalRepProc *freeIntRepProc; /* Called to free any storage for the type's * internal rep. NULL if the internal rep does * not need freeing. */ Tcl_DupInternalRepProc *dupIntRepProc; /* Called to create a new object as a copy of * an existing object. */ Tcl_UpdateStringProc *updateStringProc; /* Called to update the string rep from the * type's internal representation. */ Tcl_SetFromAnyProc *setFromAnyProc; /* Called to convert the object's internal rep * to this type. Frees the internal rep of the * old type. Returns TCL_ERROR on failure. */ } Tcl_ObjType; /* * One of the following structures exists for each object in the Tcl system. * An object stores a value as either a string, some internal representation, * or both. */ typedef struct Tcl_Obj { int refCount; /* When 0 the object will be freed. */ char *bytes; /* This points to the first byte of the * object's string representation. The array * must be followed by a null byte (i.e., at * offset length) but may also contain * embedded null characters. The array's * storage is allocated by ckalloc. NULL means * the string rep is invalid and must be * regenerated from the internal rep. Clients * should use Tcl_GetStringFromObj or * Tcl_GetString to get a pointer to the byte * array as a readonly value. */ int length; /* The number of bytes at *bytes, not * including the terminating null. */ Tcl_ObjType *typePtr; /* Denotes the object's type. Always * corresponds to the type of the object's * internal rep. NULL indicates the object has * no internal rep (has no type). */ union { /* The internal representation: */ long longValue; /* - an long integer value */ double doubleValue; /* - a double-precision floating value */ VOID *otherValuePtr; /* - another, type-specific value */ Tcl_WideInt wideValue; /* - a long long value */ struct { /* - internal rep as two pointers */ VOID *ptr1; VOID *ptr2; } twoPtrValue; struct { /* - internal rep as a wide int, tightly * packed fields */ VOID *ptr; /* Pointer to digits */ unsigned long value;/* Alloc, used, and signum packed into a * single word */ } ptrAndLongRep; } internalRep; } Tcl_Obj; /* * Macros to increment and decrement a Tcl_Obj's reference count, and to test * whether an object is shared (i.e. has reference count > 1). Note: clients * should use Tcl_DecrRefCount() when they are finished using an object, and * should never call TclFreeObj() directly. TclFreeObj() is only defined and * made public in tcl.h to support Tcl_DecrRefCount's macro definition. Note * also that Tcl_DecrRefCount() refers to the parameter "obj" twice. This * means that you should avoid calling it with an expression that is expensive * to compute or has side effects. */ void Tcl_IncrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr)); void Tcl_DecrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr)); int Tcl_IsShared _ANSI_ARGS_((Tcl_Obj *objPtr)); /* * The following structure contains the state needed by Tcl_SaveResult. No-one * outside of Tcl should access any of these fields. This structure is * typically allocated on the stack. */ typedef struct Tcl_SavedResult { char *result; Tcl_FreeProc *freeProc; Tcl_Obj *objResultPtr; char *appendResult; int appendAvl; int appendUsed; char resultSpace[TCL_RESULT_SIZE+1]; } Tcl_SavedResult; /* * The following definitions support Tcl's namespace facility. Note: the first * five fields must match exactly the fields in a Namespace structure (see * tclInt.h). */ typedef struct Tcl_Namespace { char *name; /* The namespace's name within its parent * namespace. This contains no ::'s. The name * of the global namespace is "" although "::" * is an synonym. */ char *fullName; /* The namespace's fully qualified name. This * starts with ::. */ ClientData clientData; /* Arbitrary value associated with this * namespace. */ Tcl_NamespaceDeleteProc* deleteProc; /* Function invoked when deleting the * namespace to, e.g., free clientData. */ struct Tcl_Namespace* parentPtr; /* Points to the namespace that contains this * one. NULL if this is the global * namespace. */ } Tcl_Namespace; /* * The following structure represents a call frame, or activation record. A * call frame defines a naming context for a procedure call: its local scope * (for local variables) and its namespace scope (used for non-local * variables; often the global :: namespace). A call frame can also define the * naming context for a namespace eval or namespace inscope command: the * namespace in which the command's code should execute. The Tcl_CallFrame * structures exist only while procedures or namespace eval/inscope's are * being executed, and provide a Tcl call stack. * * A call frame is initialized and pushed using Tcl_PushCallFrame and popped * using Tcl_PopCallFrame. Storage for a Tcl_CallFrame must be provided by the * Tcl_PushCallFrame caller, and callers typically allocate them on the C call * stack for efficiency. For this reason, Tcl_CallFrame is defined as a * structure and not as an opaque token. However, most Tcl_CallFrame fields * are hidden since applications should not access them directly; others are * declared as "dummyX". * * WARNING!! The structure definition must be kept consistent with the * CallFrame structure in tclInt.h. If you change one, change the other. */ typedef struct Tcl_CallFrame { Tcl_Namespace *nsPtr; int dummy1; int dummy2; char *dummy3; char *dummy4; char *dummy5; int dummy6; char *dummy7; char *dummy8; int dummy9; char *dummy10; char *dummy11; char *dummy12; } Tcl_CallFrame; /* * Information about commands that is returned by Tcl_GetCommandInfo and * passed to Tcl_SetCommandInfo. objProc is an objc/objv object-based command * function while proc is a traditional Tcl argc/argv string-based function. * Tcl_CreateObjCommand and Tcl_CreateCommand ensure that both objProc and * proc are non-NULL and can be called to execute the command. However, it may * be faster to call one instead of the other. The member isNativeObjectProc * is set to 1 if an object-based function was registered by * Tcl_CreateObjCommand, and to 0 if a string-based function was registered by * Tcl_CreateCommand. The other function is typically set to a compatibility * wrapper that does string-to-object or object-to-string argument conversions * then calls the other function. */ typedef struct Tcl_CmdInfo { int isNativeObjectProc; /* 1 if objProc was registered by a call to * Tcl_CreateObjCommand; 0 otherwise. * Tcl_SetCmdInfo does not modify this * field. */ Tcl_ObjCmdProc *objProc; /* Command's object-based function. */ ClientData objClientData; /* ClientData for object proc. */ Tcl_CmdProc *proc; /* Command's string-based function. */ ClientData clientData; /* ClientData for string proc. */ Tcl_CmdDeleteProc *deleteProc; /* Function to call when command is * deleted. */ ClientData deleteData; /* Value to pass to deleteProc (usually the * same as clientData). */ Tcl_Namespace *namespacePtr;/* Points to the namespace that contains this * command. Note that Tcl_SetCmdInfo will not * change a command's namespace; use * TclRenameCommand or Tcl_Eval (of 'rename') * to do that. */ } Tcl_CmdInfo; /* * The structure defined below is used to hold dynamic strings. The only * fields that clients should use are string and length, accessible via the * macros Tcl_DStringValue and Tcl_DStringLength. */ #define TCL_DSTRING_STATIC_SIZE 200 typedef struct Tcl_DString { char *string; /* Points to beginning of string: either * staticSpace below or a malloced array. */ int length; /* Number of non-NULL characters in the * string. */ int spaceAvl; /* Total number of bytes available for the * string and its terminating NULL char. */ char staticSpace[TCL_DSTRING_STATIC_SIZE]; /* Space to use in common case where string is * small. */ } Tcl_DString; #define Tcl_DStringLength(dsPtr) ((dsPtr)->length) #define Tcl_DStringValue(dsPtr) ((dsPtr)->string) #define Tcl_DStringTrunc Tcl_DStringSetLength /* * Definitions for the maximum number of digits of precision that may be * specified in the "tcl_precision" variable, and the number of bytes of * buffer space required by Tcl_PrintDouble. */ #define TCL_MAX_PREC 17 #define TCL_DOUBLE_SPACE (TCL_MAX_PREC+10) /* * Definition for a number of bytes of buffer space sufficient to hold the * string representation of an integer in base 10 (assuming the existence of * 64-bit integers). */ #define TCL_INTEGER_SPACE 24 /* * Flag values passed to Tcl_ConvertElement. * TCL_DONT_USE_BRACES forces it not to enclose the element in braces, but to * use backslash quoting instead. * TCL_DONT_QUOTE_HASH disables the default quoting of the '#' character. It * is safe to leave the hash unquoted when the element is not the first * element of a list, and this flag can be used by the caller to indicate * that condition. * (Careful! If you change these flag values be sure to change the definitions * at the front of tclUtil.c). */ #define TCL_DONT_USE_BRACES 1 #define TCL_DONT_QUOTE_HASH 8 /* * Flag that may be passed to Tcl_GetIndexFromObj to force it to disallow * abbreviated strings. */ #define TCL_EXACT 1 /* * Flag values passed to Tcl_RecordAndEval, Tcl_EvalObj, Tcl_EvalObjv. * WARNING: these bit choices must not conflict with the bit choices for * evalFlag bits in tclInt.h! * * Meanings: * TCL_NO_EVAL: Just record this command * TCL_EVAL_GLOBAL: Execute script in global namespace * TCL_EVAL_DIRECT: Do not compile this script * TCL_EVAL_INVOKE: Magical Tcl_EvalObjv mode for aliases/ensembles * o Run in iPtr->lookupNsPtr or global namespace * o Cut out of error traces * o Don't reset the flags controlling ensemble * error message rewriting. */ #define TCL_NO_EVAL 0x10000 #define TCL_EVAL_GLOBAL 0x20000 #define TCL_EVAL_DIRECT 0x40000 #define TCL_EVAL_INVOKE 0x80000 /* * Special freeProc values that may be passed to Tcl_SetResult (see the man * page for details): */ #define TCL_VOLATILE ((Tcl_FreeProc *) 1) #define TCL_STATIC ((Tcl_FreeProc *) 0) #define TCL_DYNAMIC ((Tcl_FreeProc *) 3) /* * Flag values passed to variable-related functions. */ #define TCL_GLOBAL_ONLY 1 #define TCL_NAMESPACE_ONLY 2 #define TCL_APPEND_VALUE 4 #define TCL_LIST_ELEMENT 8 #define TCL_TRACE_READS 0x10 #define TCL_TRACE_WRITES 0x20 #define TCL_TRACE_UNSETS 0x40 #define TCL_TRACE_DESTROYED 0x80 #define TCL_INTERP_DESTROYED 0x100 #define TCL_LEAVE_ERR_MSG 0x200 #define TCL_TRACE_ARRAY 0x800 #ifndef TCL_REMOVE_OBSOLETE_TRACES /* Required to support old variable/vdelete/vinfo traces */ #define TCL_TRACE_OLD_STYLE 0x1000 #endif /* Indicate the semantics of the result of a trace */ #define TCL_TRACE_RESULT_DYNAMIC 0x8000 #define TCL_TRACE_RESULT_OBJECT 0x10000 /* * Flag values for ensemble commands. */ #define TCL_ENSEMBLE_PREFIX 0x02/* Flag value to say whether to allow * unambiguous prefixes of commands or to * require exact matches for command names. */ /* * Flag values passed to command-related functions. */ #define TCL_TRACE_RENAME 0x2000 #define TCL_TRACE_DELETE 0x4000 #define TCL_ALLOW_INLINE_COMPILATION 0x20000 /* * The TCL_PARSE_PART1 flag is deprecated and has no effect. The part1 is now * always parsed whenever the part2 is NULL. (This is to avoid a common error * when converting code to use the new object based APIs and forgetting to * give the flag) */ #ifndef TCL_NO_DEPRECATED # define TCL_PARSE_PART1 0x400 #endif /* * Types for linked variables: */ #define TCL_LINK_INT 1 #define TCL_LINK_DOUBLE 2 #define TCL_LINK_BOOLEAN 3 #define TCL_LINK_STRING 4 #define TCL_LINK_WIDE_INT 5 #define TCL_LINK_CHAR 6 #define TCL_LINK_UCHAR 7 #define TCL_LINK_SHORT 8 #define TCL_LINK_USHORT 9 #define TCL_LINK_UINT 10 #define TCL_LINK_LONG 11 #define TCL_LINK_ULONG 12 #define TCL_LINK_FLOAT 13 #define TCL_LINK_WIDE_UINT 14 #define TCL_LINK_READ_ONLY 0x80 /* * Forward declarations of Tcl_HashTable and related types. */ typedef struct Tcl_HashKeyType Tcl_HashKeyType; typedef struct Tcl_HashTable Tcl_HashTable; typedef struct Tcl_HashEntry Tcl_HashEntry; typedef unsigned int (Tcl_HashKeyProc) _ANSI_ARGS_((Tcl_HashTable *tablePtr, VOID *keyPtr)); typedef int (Tcl_CompareHashKeysProc) _ANSI_ARGS_((VOID *keyPtr, Tcl_HashEntry *hPtr)); typedef Tcl_HashEntry *(Tcl_AllocHashEntryProc) _ANSI_ARGS_(( Tcl_HashTable *tablePtr, VOID *keyPtr)); typedef void (Tcl_FreeHashEntryProc) _ANSI_ARGS_((Tcl_HashEntry *hPtr)); /* * This flag controls whether the hash table stores the hash of a key, or * recalculates it. There should be no reason for turning this flag off as it * is completely binary and source compatible unless you directly access the * bucketPtr member of the Tcl_HashTableEntry structure. This member has been * removed and the space used to store the hash value. */ #ifndef TCL_HASH_KEY_STORE_HASH # define TCL_HASH_KEY_STORE_HASH 1 #endif /* * Structure definition for an entry in a hash table. No-one outside Tcl * should access any of these fields directly; use the macros defined below. */ struct Tcl_HashEntry { Tcl_HashEntry *nextPtr; /* Pointer to next entry in this hash bucket, * or NULL for end of chain. */ Tcl_HashTable *tablePtr; /* Pointer to table containing entry. */ #if TCL_HASH_KEY_STORE_HASH VOID *hash; /* Hash value, stored as pointer to ensure * that the offsets of the fields in this * structure are not changed. */ #else Tcl_HashEntry **bucketPtr; /* Pointer to bucket that points to first * entry in this entry's chain: used for * deleting the entry. */ #endif ClientData clientData; /* Application stores something here with * Tcl_SetHashValue. */ union { /* Key has one of these forms: */ char *oneWordValue; /* One-word value for key. */ Tcl_Obj *objPtr; /* Tcl_Obj * key value. */ int words[1]; /* Multiple integer words for key. The actual * size will be as large as necessary for this * table's keys. */ char string[4]; /* String for key. The actual size will be as * large as needed to hold the key. */ } key; /* MUST BE LAST FIELD IN RECORD!! */ }; /* * Flags used in Tcl_HashKeyType. * * TCL_HASH_KEY_RANDOMIZE_HASH - * There are some things, pointers for example * which don't hash well because they do not use * the lower bits. If this flag is set then the * hash table will attempt to rectify this by * randomising the bits and then using the upper * N bits as the index into the table. * TCL_HASH_KEY_SYSTEM_HASH - If this flag is set then all memory internally * allocated for the hash table that is not for an * entry will use the system heap. */ #define TCL_HASH_KEY_RANDOMIZE_HASH 0x1 #define TCL_HASH_KEY_SYSTEM_HASH 0x2 /* * Structure definition for the methods associated with a hash table key type. */ #define TCL_HASH_KEY_TYPE_VERSION 1 struct Tcl_HashKeyType { int version; /* Version of the table. If this structure is * extended in future then the version can be * used to distinguish between different * structures. */ int flags; /* Flags, see above for details. */ Tcl_HashKeyProc *hashKeyProc; /* Calculates a hash value for the key. If * this is NULL then the pointer itself is * used as a hash value. */ Tcl_CompareHashKeysProc *compareKeysProc; /* Compares two keys and returns zero if they * do not match, and non-zero if they do. If * this is NULL then the pointers are * compared. */ Tcl_AllocHashEntryProc *allocEntryProc; /* Called to allocate memory for a new entry, * i.e. if the key is a string then this could * allocate a single block which contains * enough space for both the entry and the * string. Only the key field of the allocated * Tcl_HashEntry structure needs to be filled * in. If something else needs to be done to * the key, i.e. incrementing a reference * count then that should be done by this * function. If this is NULL then Tcl_Alloc is * used to allocate enough space for a * Tcl_HashEntry and the key pointer is * assigned to key.oneWordValue. */ Tcl_FreeHashEntryProc *freeEntryProc; /* Called to free memory associated with an * entry. If something else needs to be done * to the key, i.e. decrementing a reference * count then that should be done by this * function. If this is NULL then Tcl_Free is * used to free the Tcl_HashEntry. */ }; /* * Structure definition for a hash table. Must be in tcl.h so clients can * allocate space for these structures, but clients should never access any * fields in this structure. */ #define TCL_SMALL_HASH_TABLE 4 struct Tcl_HashTable { Tcl_HashEntry **buckets; /* Pointer to bucket array. Each element * points to first entry in bucket's hash * chain, or NULL. */ Tcl_HashEntry *staticBuckets[TCL_SMALL_HASH_TABLE]; /* Bucket array used for small tables (to * avoid mallocs and frees). */ int numBuckets; /* Total number of buckets allocated at * **bucketPtr. */ int numEntries; /* Total number of entries present in * table. */ int rebuildSize; /* Enlarge table when numEntries gets to be * this large. */ int downShift; /* Shift count used in hashing function. * Designed to use high-order bits of * randomized keys. */ int mask; /* Mask value used in hashing function. */ int keyType; /* Type of keys used in this table. It's * either TCL_CUSTOM_KEYS, TCL_STRING_KEYS, * TCL_ONE_WORD_KEYS, or an integer giving the * number of ints that is the size of the * key. */ Tcl_HashEntry *(*findProc) _ANSI_ARGS_((Tcl_HashTable *tablePtr, CONST char *key)); Tcl_HashEntry *(*createProc) _ANSI_ARGS_((Tcl_HashTable *tablePtr, CONST char *key, int *newPtr)); Tcl_HashKeyType *typePtr; /* Type of the keys used in the * Tcl_HashTable. */ }; /* * Structure definition for information used to keep track of searches through * hash tables: */ typedef struct Tcl_HashSearch { Tcl_HashTable *tablePtr; /* Table being searched. */ int nextIndex; /* Index of next bucket to be enumerated after * present one. */ Tcl_HashEntry *nextEntryPtr;/* Next entry to be enumerated in the current * bucket. */ } Tcl_HashSearch; /* * Acceptable key types for hash tables: * * TCL_STRING_KEYS: The keys are strings, they are copied into the * entry. * TCL_ONE_WORD_KEYS: The keys are pointers, the pointer is stored * in the entry. * TCL_CUSTOM_TYPE_KEYS: The keys are arbitrary types which are copied * into the entry. * TCL_CUSTOM_PTR_KEYS: The keys are pointers to arbitrary types, the * pointer is stored in the entry. * * While maintaining binary compatability the above have to be distinct values * as they are used to differentiate between old versions of the hash table * which don't have a typePtr and new ones which do. Once binary compatability * is discarded in favour of making more wide spread changes TCL_STRING_KEYS * can be the same as TCL_CUSTOM_TYPE_KEYS, and TCL_ONE_WORD_KEYS can be the * same as TCL_CUSTOM_PTR_KEYS because they simply determine how the key is * accessed from the entry and not the behaviour. */ #define TCL_STRING_KEYS 0 #define TCL_ONE_WORD_KEYS 1 #define TCL_CUSTOM_TYPE_KEYS -2 #define TCL_CUSTOM_PTR_KEYS -1 /* * Structure definition for information used to keep track of searches through * dictionaries. These fields should not be accessed by code outside * tclDictObj.c */ typedef struct { void *next; /* Search position for underlying hash * table. */ int epoch; /* Epoch marker for dictionary being searched, * or -1 if search has terminated. */ Tcl_Dict dictionaryPtr; /* Reference to dictionary being searched. */ } Tcl_DictSearch; /* * Flag values to pass to Tcl_DoOneEvent to disable searches for some kinds of * events: */ #define TCL_DONT_WAIT (1<<1) #define TCL_WINDOW_EVENTS (1<<2) #define TCL_FILE_EVENTS (1<<3) #define TCL_TIMER_EVENTS (1<<4) #define TCL_IDLE_EVENTS (1<<5) /* WAS 0x10 ???? */ #define TCL_ALL_EVENTS (~TCL_DONT_WAIT) /* * The following structure defines a generic event for the Tcl event system. * These are the things that are queued in calls to Tcl_QueueEvent and * serviced later by Tcl_DoOneEvent. There can be many different kinds of * events with different fields, corresponding to window events, timer events, * etc. The structure for a particular event consists of a Tcl_Event header * followed by additional information specific to that event. */ struct Tcl_Event { Tcl_EventProc *proc; /* Function to call to service this event. */ struct Tcl_Event *nextPtr; /* Next in list of pending events, or NULL. */ }; /* * Positions to pass to Tcl_QueueEvent: */ typedef enum { TCL_QUEUE_TAIL, TCL_QUEUE_HEAD, TCL_QUEUE_MARK } Tcl_QueuePosition; /* * Values to pass to Tcl_SetServiceMode to specify the behavior of notifier * event routines. */ #define TCL_SERVICE_NONE 0 #define TCL_SERVICE_ALL 1 /* * The following structure keeps is used to hold a time value, either as an * absolute time (the number of seconds from the epoch) or as an elapsed time. * On Unix systems the epoch is Midnight Jan 1, 1970 GMT. */ typedef struct Tcl_Time { long sec; /* Seconds. */ long usec; /* Microseconds. */ } Tcl_Time; typedef void (Tcl_SetTimerProc) _ANSI_ARGS_((Tcl_Time *timePtr)); typedef int (Tcl_WaitForEventProc) _ANSI_ARGS_((Tcl_Time *timePtr)); /* * TIP #233 (Virtualized Time) */ typedef void (Tcl_GetTimeProc) _ANSI_ARGS_ ((Tcl_Time* timebuf, ClientData clientData)); typedef void (Tcl_ScaleTimeProc) _ANSI_ARGS_ ((Tcl_Time* timebuf, ClientData clientData)); /* * Bits to pass to Tcl_CreateFileHandler and Tcl_CreateChannelHandler to * indicate what sorts of events are of interest: */ #define TCL_READABLE (1<<1) #define TCL_WRITABLE (1<<2) #define TCL_EXCEPTION (1<<3) /* * Flag values to pass to Tcl_OpenCommandChannel to indicate the disposition * of the stdio handles. TCL_STDIN, TCL_STDOUT, TCL_STDERR, are also used in * Tcl_GetStdChannel. */ #define TCL_STDIN (1<<1) #define TCL_STDOUT (1<<2) #define TCL_STDERR (1<<3) #define TCL_ENFORCE_MODE (1<<4) /* * Bits passed to Tcl_DriverClose2Proc to indicate which side of a channel * should be closed. */ #define TCL_CLOSE_READ (1<<1) #define TCL_CLOSE_WRITE (1<<2) /* * Value to use as the closeProc for a channel that supports the close2Proc * interface. */ #define TCL_CLOSE2PROC ((Tcl_DriverCloseProc *)1) /* * Channel version tag. This was introduced in 8.3.2/8.4. */ #define TCL_CHANNEL_VERSION_1 ((Tcl_ChannelTypeVersion) 0x1) #define TCL_CHANNEL_VERSION_2 ((Tcl_ChannelTypeVersion) 0x2) #define TCL_CHANNEL_VERSION_3 ((Tcl_ChannelTypeVersion) 0x3) #define TCL_CHANNEL_VERSION_4 ((Tcl_ChannelTypeVersion) 0x4) #define TCL_CHANNEL_VERSION_5 ((Tcl_ChannelTypeVersion) 0x5) /* * TIP #218: Channel Actions, Ids for Tcl_DriverThreadActionProc */ #define TCL_CHANNEL_THREAD_INSERT (0) #define TCL_CHANNEL_THREAD_REMOVE (1) /* * Typedefs for the various operations in a channel type: */ typedef int (Tcl_DriverBlockModeProc) _ANSI_ARGS_(( ClientData instanceData, int mode)); typedef int (Tcl_DriverCloseProc) _ANSI_ARGS_((ClientData instanceData, Tcl_Interp *interp)); typedef int (Tcl_DriverClose2Proc) _ANSI_ARGS_((ClientData instanceData, Tcl_Interp *interp, int flags)); typedef int (Tcl_DriverInputProc) _ANSI_ARGS_((ClientData instanceData, char *buf, int toRead, int *errorCodePtr)); typedef int (Tcl_DriverOutputProc) _ANSI_ARGS_((ClientData instanceData, CONST84 char *buf, int toWrite, int *errorCodePtr)); typedef int (Tcl_DriverSeekProc) _ANSI_ARGS_((ClientData instanceData, long offset, int mode, int *errorCodePtr)); typedef int (Tcl_DriverSetOptionProc) _ANSI_ARGS_(( ClientData instanceData, Tcl_Interp *interp, CONST char *optionName, CONST char *value)); typedef int (Tcl_DriverGetOptionProc) _ANSI_ARGS_(( ClientData instanceData, Tcl_Interp *interp, CONST84 char *optionName, Tcl_DString *dsPtr)); typedef void (Tcl_DriverWatchProc) _ANSI_ARGS_(( ClientData instanceData, int mask)); typedef int (Tcl_DriverGetHandleProc) _ANSI_ARGS_(( ClientData instanceData, int direction, ClientData *handlePtr)); typedef int (Tcl_DriverFlushProc) _ANSI_ARGS_((ClientData instanceData)); typedef int (Tcl_DriverHandlerProc) _ANSI_ARGS_(( ClientData instanceData, int interestMask)); typedef Tcl_WideInt (Tcl_DriverWideSeekProc) _ANSI_ARGS_(( ClientData instanceData, Tcl_WideInt offset, int mode, int *errorCodePtr)); /* * TIP #218, Channel Thread Actions */ typedef void (Tcl_DriverThreadActionProc) _ANSI_ARGS_ (( ClientData instanceData, int action)); /* * TIP #208, File Truncation (etc.) */ typedef int (Tcl_DriverTruncateProc) _ANSI_ARGS_(( ClientData instanceData, Tcl_WideInt length)); /* * struct Tcl_ChannelType: * * One such structure exists for each type (kind) of channel. It collects * together in one place all the functions that are part of the specific * channel type. * * It is recommend that the Tcl_Channel* functions are used to access elements * of this structure, instead of direct accessing. */ typedef struct Tcl_ChannelType { char *typeName; /* The name of the channel type in Tcl * commands. This storage is owned by channel * type. */ Tcl_ChannelTypeVersion version; /* Version of the channel type. */ Tcl_DriverCloseProc *closeProc; /* Function to call to close the channel, or * TCL_CLOSE2PROC if the close2Proc should be * used instead. */ Tcl_DriverInputProc *inputProc; /* Function to call for input on channel. */ Tcl_DriverOutputProc *outputProc; /* Function to call for output on channel. */ Tcl_DriverSeekProc *seekProc; /* Function to call to seek on the channel. * May be NULL. */ Tcl_DriverSetOptionProc *setOptionProc; /* Set an option on a channel. */ Tcl_DriverGetOptionProc *getOptionProc; /* Get an option from a channel. */ Tcl_DriverWatchProc *watchProc; /* Set up the notifier to watch for events on * this channel. */ Tcl_DriverGetHandleProc *getHandleProc; /* Get an OS handle from the channel or NULL * if not supported. */ Tcl_DriverClose2Proc *close2Proc; /* Function to call to close the channel if * the device supports closing the read & * write sides independently. */ Tcl_DriverBlockModeProc *blockModeProc; /* Set blocking mode for the raw channel. May * be NULL. */ /* * Only valid in TCL_CHANNEL_VERSION_2 channels or later */ Tcl_DriverFlushProc *flushProc; /* Function to call to flush a channel. May be * NULL. */ Tcl_DriverHandlerProc *handlerProc; /* Function to call to handle a channel event. * This will be passed up the stacked channel * chain. */ /* * Only valid in TCL_CHANNEL_VERSION_3 channels or later */ Tcl_DriverWideSeekProc *wideSeekProc; /* Function to call to seek on the channel * which can handle 64-bit offsets. May be * NULL, and must be NULL if seekProc is * NULL. */ /* * Only valid in TCL_CHANNEL_VERSION_4 channels or later * TIP #218, Channel Thread Actions */ Tcl_DriverThreadActionProc *threadActionProc; /* Function to call to notify the driver of * thread specific activity for a channel. May * be NULL. */ /* * Only valid in TCL_CHANNEL_VERSION_5 channels or later * TIP #208, File Truncation */ Tcl_DriverTruncateProc *truncateProc; /* Function to call to truncate the underlying * file to a particular length. May be NULL if * the channel does not support truncation. */ } Tcl_ChannelType; /* * The following flags determine whether the blockModeProc above should set * the channel into blocking or nonblocking mode. They are passed as arguments * to the blockModeProc function in the above structure. */ #define TCL_MODE_BLOCKING 0 /* Put channel into blocking mode. */ #define TCL_MODE_NONBLOCKING 1 /* Put channel into nonblocking * mode. */ /* * Enum for different types of file paths. */ typedef enum Tcl_PathType { TCL_PATH_ABSOLUTE, TCL_PATH_RELATIVE, TCL_PATH_VOLUME_RELATIVE } Tcl_PathType; /* * The following structure is used to pass glob type data amongst the various * glob routines and Tcl_FSMatchInDirectory. */ typedef struct Tcl_GlobTypeData { int type; /* Corresponds to bcdpfls as in 'find -t' */ int perm; /* Corresponds to file permissions */ Tcl_Obj *macType; /* Acceptable mac type */ Tcl_Obj *macCreator; /* Acceptable mac creator */ } Tcl_GlobTypeData; /* * Type and permission definitions for glob command */ #define TCL_GLOB_TYPE_BLOCK (1<<0) #define TCL_GLOB_TYPE_CHAR (1<<1) #define TCL_GLOB_TYPE_DIR (1<<2) #define TCL_GLOB_TYPE_PIPE (1<<3) #define TCL_GLOB_TYPE_FILE (1<<4) #define TCL_GLOB_TYPE_LINK (1<<5) #define TCL_GLOB_TYPE_SOCK (1<<6) #define TCL_GLOB_TYPE_MOUNT (1<<7) #define TCL_GLOB_PERM_RONLY (1<<0) #define TCL_GLOB_PERM_HIDDEN (1<<1) #define TCL_GLOB_PERM_R (1<<2) #define TCL_GLOB_PERM_W (1<<3) #define TCL_GLOB_PERM_X (1<<4) /* * Flags for the unload callback function */ #define TCL_UNLOAD_DETACH_FROM_INTERPRETER (1<<0) #define TCL_UNLOAD_DETACH_FROM_PROCESS (1<<1) /* * Typedefs for the various filesystem operations: */ typedef int (Tcl_FSStatProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_StatBuf *buf)); typedef int (Tcl_FSAccessProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, int mode)); typedef Tcl_Channel (Tcl_FSOpenFileChannelProc) _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_Obj *pathPtr, int mode, int permissions)); typedef int (Tcl_FSMatchInDirectoryProc) _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj *result, Tcl_Obj *pathPtr, CONST char *pattern, Tcl_GlobTypeData * types)); typedef Tcl_Obj* (Tcl_FSGetCwdProc) _ANSI_ARGS_((Tcl_Interp *interp)); typedef int (Tcl_FSChdirProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); typedef int (Tcl_FSLstatProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_StatBuf *buf)); typedef int (Tcl_FSCreateDirectoryProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); typedef int (Tcl_FSDeleteFileProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); typedef int (Tcl_FSCopyDirectoryProc) _ANSI_ARGS_((Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr, Tcl_Obj **errorPtr)); typedef int (Tcl_FSCopyFileProc) _ANSI_ARGS_((Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr)); typedef int (Tcl_FSRemoveDirectoryProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, int recursive, Tcl_Obj **errorPtr)); typedef int (Tcl_FSRenameFileProc) _ANSI_ARGS_((Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr)); typedef void (Tcl_FSUnloadFileProc) _ANSI_ARGS_((Tcl_LoadHandle loadHandle)); typedef Tcl_Obj* (Tcl_FSListVolumesProc) _ANSI_ARGS_((void)); /* We have to declare the utime structure here. */ struct utimbuf; typedef int (Tcl_FSUtimeProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, struct utimbuf *tval)); typedef int (Tcl_FSNormalizePathProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, int nextCheckpoint)); typedef int (Tcl_FSFileAttrsGetProc) _ANSI_ARGS_((Tcl_Interp *interp, int index, Tcl_Obj *pathPtr, Tcl_Obj **objPtrRef)); typedef CONST char** (Tcl_FSFileAttrStringsProc) _ANSI_ARGS_(( Tcl_Obj *pathPtr, Tcl_Obj** objPtrRef)); typedef int (Tcl_FSFileAttrsSetProc) _ANSI_ARGS_((Tcl_Interp *interp, int index, Tcl_Obj *pathPtr, Tcl_Obj *objPtr)); typedef Tcl_Obj* (Tcl_FSLinkProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_Obj *toPtr, int linkType)); typedef int (Tcl_FSLoadFileProc) _ANSI_ARGS_((Tcl_Interp * interp, Tcl_Obj *pathPtr, Tcl_LoadHandle *handlePtr, Tcl_FSUnloadFileProc **unloadProcPtr)); typedef int (Tcl_FSPathInFilesystemProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, ClientData *clientDataPtr)); typedef Tcl_Obj* (Tcl_FSFilesystemPathTypeProc) _ANSI_ARGS_(( Tcl_Obj *pathPtr)); typedef Tcl_Obj* (Tcl_FSFilesystemSeparatorProc) _ANSI_ARGS_(( Tcl_Obj *pathPtr)); typedef void (Tcl_FSFreeInternalRepProc) _ANSI_ARGS_((ClientData clientData)); typedef ClientData (Tcl_FSDupInternalRepProc) _ANSI_ARGS_(( ClientData clientData)); typedef Tcl_Obj* (Tcl_FSInternalToNormalizedProc) _ANSI_ARGS_(( ClientData clientData)); typedef ClientData (Tcl_FSCreateInternalRepProc) _ANSI_ARGS_(( Tcl_Obj *pathPtr)); typedef struct Tcl_FSVersion_ *Tcl_FSVersion; /* *---------------------------------------------------------------- * Data structures related to hooking into the filesystem *---------------------------------------------------------------- */ /* * Filesystem version tag. This was introduced in 8.4. */ #define TCL_FILESYSTEM_VERSION_1 ((Tcl_FSVersion) 0x1) /* * struct Tcl_Filesystem: * * One such structure exists for each type (kind) of filesystem. It collects * together in one place all the functions that are part of the specific * filesystem. Tcl always accesses the filesystem through one of these * structures. * * Not all entries need be non-NULL; any which are NULL are simply ignored. * However, a complete filesystem should provide all of these functions. The * explanations in the structure show the importance of each function. */ typedef struct Tcl_Filesystem { CONST char *typeName; /* The name of the filesystem. */ int structureLength; /* Length of this structure, so future binary * compatibility can be assured. */ Tcl_FSVersion version; /* Version of the filesystem type. */ Tcl_FSPathInFilesystemProc *pathInFilesystemProc; /* Function to check whether a path is in this * filesystem. This is the most important * filesystem function. */ Tcl_FSDupInternalRepProc *dupInternalRepProc; /* Function to duplicate internal fs rep. May * be NULL (but then fs is less efficient). */ Tcl_FSFreeInternalRepProc *freeInternalRepProc; /* Function to free internal fs rep. Must be * implemented if internal representations * need freeing, otherwise it can be NULL. */ Tcl_FSInternalToNormalizedProc *internalToNormalizedProc; /* Function to convert internal representation * to a normalized path. Only required if the * fs creates pure path objects with no * string/path representation. */ Tcl_FSCreateInternalRepProc *createInternalRepProc; /* Function to create a filesystem-specific * internal representation. May be NULL if * paths have no internal representation, or * if the Tcl_FSPathInFilesystemProc for this * filesystem always immediately creates an * internal representation for paths it * accepts. */ Tcl_FSNormalizePathProc *normalizePathProc; /* Function to normalize a path. Should be * implemented for all filesystems which can * have multiple string representations for * the same path object. */ Tcl_FSFilesystemPathTypeProc *filesystemPathTypeProc; /* Function to determine the type of a path in * this filesystem. May be NULL. */ Tcl_FSFilesystemSeparatorProc *filesystemSeparatorProc; /* Function to return the separator * character(s) for this filesystem. Must be * implemented. */ Tcl_FSStatProc *statProc; /* Function to process a 'Tcl_FSStat()' call. * Must be implemented for any reasonable * filesystem. */ Tcl_FSAccessProc *accessProc; /* Function to process a 'Tcl_FSAccess()' * call. Must be implemented for any * reasonable filesystem. */ Tcl_FSOpenFileChannelProc *openFileChannelProc; /* Function to process a * 'Tcl_FSOpenFileChannel()' call. Must be * implemented for any reasonable * filesystem. */ Tcl_FSMatchInDirectoryProc *matchInDirectoryProc; /* Function to process a * 'Tcl_FSMatchInDirectory()'. If not * implemented, then glob and recursive copy * functionality will be lacking in the * filesystem. */ Tcl_FSUtimeProc *utimeProc; /* Function to process a 'Tcl_FSUtime()' call. * Required to allow setting (not reading) of * times with 'file mtime', 'file atime' and * the open-r/open-w/fcopy implementation of * 'file copy'. */ Tcl_FSLinkProc *linkProc; /* Function to process a 'Tcl_FSLink()' call. * Should be implemented only if the * filesystem supports links (reading or * creating). */ Tcl_FSListVolumesProc *listVolumesProc; /* Function to list any filesystem volumes * added by this filesystem. Should be * implemented only if the filesystem adds * volumes at the head of the filesystem. */ Tcl_FSFileAttrStringsProc *fileAttrStringsProc; /* Function to list all attributes strings * which are valid for this filesystem. If not * implemented the filesystem will not support * the 'file attributes' command. This allows * arbitrary additional information to be * attached to files in the filesystem. */ Tcl_FSFileAttrsGetProc *fileAttrsGetProc; /* Function to process a * 'Tcl_FSFileAttrsGet()' call, used by 'file * attributes'. */ Tcl_FSFileAttrsSetProc *fileAttrsSetProc; /* Function to process a * 'Tcl_FSFileAttrsSet()' call, used by 'file * attributes'. */ Tcl_FSCreateDirectoryProc *createDirectoryProc; /* Function to process a * 'Tcl_FSCreateDirectory()' call. Should be * implemented unless the FS is read-only. */ Tcl_FSRemoveDirectoryProc *removeDirectoryProc; /* Function to process a * 'Tcl_FSRemoveDirectory()' call. Should be * implemented unless the FS is read-only. */ Tcl_FSDeleteFileProc *deleteFileProc; /* Function to process a 'Tcl_FSDeleteFile()' * call. Should be implemented unless the FS * is read-only. */ Tcl_FSCopyFileProc *copyFileProc; /* Function to process a 'Tcl_FSCopyFile()' * call. If not implemented Tcl will fall back * on open-r, open-w and fcopy as a copying * mechanism, for copying actions initiated in * Tcl (not C). */ Tcl_FSRenameFileProc *renameFileProc; /* Function to process a 'Tcl_FSRenameFile()' * call. If not implemented, Tcl will fall * back on a copy and delete mechanism, for * rename actions initiated in Tcl (not C). */ Tcl_FSCopyDirectoryProc *copyDirectoryProc; /* Function to process a * 'Tcl_FSCopyDirectory()' call. If not * implemented, Tcl will fall back on a * recursive create-dir, file copy mechanism, * for copying actions initiated in Tcl (not * C). */ Tcl_FSLstatProc *lstatProc; /* Function to process a 'Tcl_FSLstat()' call. * If not implemented, Tcl will attempt to use * the 'statProc' defined above instead. */ Tcl_FSLoadFileProc *loadFileProc; /* Function to process a 'Tcl_FSLoadFile()' * call. If not implemented, Tcl will fall * back on a copy to native-temp followed by a * Tcl_FSLoadFile on that temporary copy. */ Tcl_FSGetCwdProc *getCwdProc; /* Function to process a 'Tcl_FSGetCwd()' * call. Most filesystems need not implement * this. It will usually only be called once, * if 'getcwd' is called before 'chdir'. May * be NULL. */ Tcl_FSChdirProc *chdirProc; /* Function to process a 'Tcl_FSChdir()' call. * If filesystems do not implement this, it * will be emulated by a series of directory * access checks. Otherwise, virtual * filesystems which do implement it need only * respond with a positive return result if * the dirName is a valid directory in their * filesystem. They need not remember the * result, since that will be automatically * remembered for use by GetCwd. Real * filesystems should carry out the correct * action (i.e. call the correct system * 'chdir' api). If not implemented, then 'cd' * and 'pwd' will fail inside the * filesystem. */ } Tcl_Filesystem; /* * The following definitions are used as values for the 'linkAction' flag to * Tcl_FSLink, or the linkProc of any filesystem. Any combination of flags can * be given. For link creation, the linkProc should create a link which * matches any of the types given. * * TCL_CREATE_SYMBOLIC_LINK - Create a symbolic or soft link. * TCL_CREATE_HARD_LINK - Create a hard link. */ #define TCL_CREATE_SYMBOLIC_LINK 0x01 #define TCL_CREATE_HARD_LINK 0x02 /* * The following structure represents the Notifier functions that you can * override with the Tcl_SetNotifier call. */ typedef struct Tcl_NotifierProcs { Tcl_SetTimerProc *setTimerProc; Tcl_WaitForEventProc *waitForEventProc; Tcl_CreateFileHandlerProc *createFileHandlerProc; Tcl_DeleteFileHandlerProc *deleteFileHandlerProc; Tcl_InitNotifierProc *initNotifierProc; Tcl_FinalizeNotifierProc *finalizeNotifierProc; Tcl_AlertNotifierProc *alertNotifierProc; Tcl_ServiceModeHookProc *serviceModeHookProc; } Tcl_NotifierProcs; /* * The following structure represents a user-defined encoding. It collects * together all the functions that are used by the specific encoding. */ typedef struct Tcl_EncodingType { CONST char *encodingName; /* The name of the encoding, e.g. "euc-jp". * This name is the unique key for this * encoding type. */ Tcl_EncodingConvertProc *toUtfProc; /* Function to convert from external encoding * into UTF-8. */ Tcl_EncodingConvertProc *fromUtfProc; /* Function to convert from UTF-8 into * external encoding. */ Tcl_EncodingFreeProc *freeProc; /* If non-NULL, function to call when this * encoding is deleted. */ ClientData clientData; /* Arbitrary value associated with encoding * type. Passed to conversion functions. */ int nullSize; /* Number of zero bytes that signify * end-of-string in this encoding. This number * is used to determine the source string * length when the srcLen argument is * negative. Must be 1 or 2. */ } Tcl_EncodingType; /* * The following definitions are used as values for the conversion control * flags argument when converting text from one character set to another: * * TCL_ENCODING_START - Signifies that the source buffer is the first * block in a (potentially multi-block) input * stream. Tells the conversion function to reset * to an initial state and perform any * initialization that needs to occur before the * first byte is converted. If the source buffer * contains the entire input stream to be * converted, this flag should be set. * TCL_ENCODING_END - Signifies that the source buffer is the last * block in a (potentially multi-block) input * stream. Tells the conversion routine to * perform any finalization that needs to occur * after the last byte is converted and then to * reset to an initial state. If the source * buffer contains the entire input stream to be * converted, this flag should be set. * TCL_ENCODING_STOPONERROR - If set, then the converter will return * immediately upon encountering an invalid byte * sequence or a source character that has no * mapping in the target encoding. If clear, then * the converter will skip the problem, * substituting one or more "close" characters in * the destination buffer and then continue to * convert the source. */ #define TCL_ENCODING_START 0x01 #define TCL_ENCODING_END 0x02 #define TCL_ENCODING_STOPONERROR 0x04 /* * The following data structures and declarations are for the new Tcl parser. */ /* * For each word of a command, and for each piece of a word such as a variable * reference, one of the following structures is created to describe the * token. */ typedef struct Tcl_Token { int type; /* Type of token, such as TCL_TOKEN_WORD; see * below for valid types. */ CONST char *start; /* First character in token. */ int size; /* Number of bytes in token. */ int numComponents; /* If this token is composed of other tokens, * this field tells how many of them there are * (including components of components, etc.). * The component tokens immediately follow * this one. */ } Tcl_Token; /* * Type values defined for Tcl_Token structures. These values are defined as * mask bits so that it's easy to check for collections of types. * * TCL_TOKEN_WORD - The token describes one word of a command, * from the first non-blank character of the word * (which may be " or {) up to but not including * the space, semicolon, or bracket that * terminates the word. NumComponents counts the * total number of sub-tokens that make up the * word. This includes, for example, sub-tokens * of TCL_TOKEN_VARIABLE tokens. * TCL_TOKEN_SIMPLE_WORD - This token is just like TCL_TOKEN_WORD except * that the word is guaranteed to consist of a * single TCL_TOKEN_TEXT sub-token. * TCL_TOKEN_TEXT - The token describes a range of literal text * that is part of a word. NumComponents is * always 0. * TCL_TOKEN_BS - The token describes a backslash sequence that * must be collapsed. NumComponents is always 0. * TCL_TOKEN_COMMAND - The token describes a command whose result * must be substituted into the word. The token * includes the enclosing brackets. NumComponents * is always 0. * TCL_TOKEN_VARIABLE - The token describes a variable substitution, * including the dollar sign, variable name, and * array index (if there is one) up through the * right parentheses. NumComponents tells how * many additional tokens follow to represent the * variable name. The first token will be a * TCL_TOKEN_TEXT token that describes the * variable name. If the variable is an array * reference then there will be one or more * additional tokens, of type TCL_TOKEN_TEXT, * TCL_TOKEN_BS, TCL_TOKEN_COMMAND, and * TCL_TOKEN_VARIABLE, that describe the array * index; numComponents counts the total number * of nested tokens that make up the variable * reference, including sub-tokens of * TCL_TOKEN_VARIABLE tokens. * TCL_TOKEN_SUB_EXPR - The token describes one subexpression of an * expression, from the first non-blank character * of the subexpression up to but not including * the space, brace, or bracket that terminates * the subexpression. NumComponents counts the * total number of following subtokens that make * up the subexpression; this includes all * subtokens for any nested TCL_TOKEN_SUB_EXPR * tokens. For example, a numeric value used as a * primitive operand is described by a * TCL_TOKEN_SUB_EXPR token followed by a * TCL_TOKEN_TEXT token. A binary subexpression * is described by a TCL_TOKEN_SUB_EXPR token * followed by the TCL_TOKEN_OPERATOR token for * the operator, then TCL_TOKEN_SUB_EXPR tokens * for the left then the right operands. * TCL_TOKEN_OPERATOR - The token describes one expression operator. * An operator might be the name of a math * function such as "abs". A TCL_TOKEN_OPERATOR * token is always preceeded by one * TCL_TOKEN_SUB_EXPR token for the operator's * subexpression, and is followed by zero or more * TCL_TOKEN_SUB_EXPR tokens for the operator's * operands. NumComponents is always 0. * TCL_TOKEN_EXPAND_WORD - This token is just like TCL_TOKEN_WORD except * that it marks a word that began with the * literal character prefix "{*}". This word is * marked to be expanded - that is, broken into * words after substitution is complete. */ #define TCL_TOKEN_WORD 1 #define TCL_TOKEN_SIMPLE_WORD 2 #define TCL_TOKEN_TEXT 4 #define TCL_TOKEN_BS 8 #define TCL_TOKEN_COMMAND 16 #define TCL_TOKEN_VARIABLE 32 #define TCL_TOKEN_SUB_EXPR 64 #define TCL_TOKEN_OPERATOR 128 #define TCL_TOKEN_EXPAND_WORD 256 /* * Parsing error types. On any parsing error, one of these values will be * stored in the error field of the Tcl_Parse structure defined below. */ #define TCL_PARSE_SUCCESS 0 #define TCL_PARSE_QUOTE_EXTRA 1 #define TCL_PARSE_BRACE_EXTRA 2 #define TCL_PARSE_MISSING_BRACE 3 #define TCL_PARSE_MISSING_BRACKET 4 #define TCL_PARSE_MISSING_PAREN 5 #define TCL_PARSE_MISSING_QUOTE 6 #define TCL_PARSE_MISSING_VAR_BRACE 7 #define TCL_PARSE_SYNTAX 8 #define TCL_PARSE_BAD_NUMBER 9 /* * A structure of the following type is filled in by Tcl_ParseCommand. It * describes a single command parsed from an input string. */ #define NUM_STATIC_TOKENS 20 typedef struct Tcl_Parse { CONST char *commentStart; /* Pointer to # that begins the first of one * or more comments preceding the command. */ int commentSize; /* Number of bytes in comments (up through * newline character that terminates the last * comment). If there were no comments, this * field is 0. */ CONST char *commandStart; /* First character in first word of * command. */ int commandSize; /* Number of bytes in command, including first * character of first word, up through the * terminating newline, close bracket, or * semicolon. */ int numWords; /* Total number of words in command. May be * 0. */ Tcl_Token *tokenPtr; /* Pointer to first token representing the * words of the command. Initially points to * staticTokens, but may change to point to * malloc-ed space if command exceeds space in * staticTokens. */ int numTokens; /* Total number of tokens in command. */ int tokensAvailable; /* Total number of tokens available at * *tokenPtr. */ int errorType; /* One of the parsing error types defined * above. */ /* * The fields below are intended only for the private use of the parser. * They should not be used by functions that invoke Tcl_ParseCommand. */ CONST char *string; /* The original command string passed to * Tcl_ParseCommand. */ CONST char *end; /* Points to the character just after the last * one in the command string. */ Tcl_Interp *interp; /* Interpreter to use for error reporting, or * NULL. */ CONST char *term; /* Points to character in string that * terminated most recent token. Filled in by * ParseTokens. If an error occurs, points to * beginning of region where the error * occurred (e.g. the open brace if the close * brace is missing). */ int incomplete; /* This field is set to 1 by Tcl_ParseCommand * if the command appears to be incomplete. * This information is used by * Tcl_CommandComplete. */ Tcl_Token staticTokens[NUM_STATIC_TOKENS]; /* Initial space for tokens for command. This * space should be large enough to accommodate * most commands; dynamic space is allocated * for very large commands that don't fit * here. */ } Tcl_Parse; /* * The following definitions are the error codes returned by the conversion * routines: * * TCL_OK - All characters were converted. * TCL_CONVERT_NOSPACE - The output buffer would not have been large * enough for all of the converted data; as many * characters as could fit were converted though. * TCL_CONVERT_MULTIBYTE - The last few bytes in the source string were * the beginning of a multibyte sequence, but * more bytes were needed to complete this * sequence. A subsequent call to the conversion * routine should pass the beginning of this * unconverted sequence plus additional bytes * from the source stream to properly convert the * formerly split-up multibyte sequence. * TCL_CONVERT_SYNTAX - The source stream contained an invalid * character sequence. This may occur if the * input stream has been damaged or if the input * encoding method was misidentified. This error * is reported only if TCL_ENCODING_STOPONERROR * was specified. * TCL_CONVERT_UNKNOWN - The source string contained a character that * could not be represented in the target * encoding. This error is reported only if * TCL_ENCODING_STOPONERROR was specified. */ #define TCL_CONVERT_MULTIBYTE -1 #define TCL_CONVERT_SYNTAX -2 #define TCL_CONVERT_UNKNOWN -3 #define TCL_CONVERT_NOSPACE -4 /* * The maximum number of bytes that are necessary to represent a single * Unicode character in UTF-8. The valid values should be 3 or 6 (or perhaps 1 * if we want to support a non-unicode enabled core). If 3, then Tcl_UniChar * must be 2-bytes in size (UCS-2) (the default). If 6, then Tcl_UniChar must * be 4-bytes in size (UCS-4). At this time UCS-2 mode is the default and * recommended mode. UCS-4 is experimental and not recommended. It works for * the core, but most extensions expect UCS-2. */ #ifndef TCL_UTF_MAX #define TCL_UTF_MAX 3 #endif /* * This represents a Unicode character. Any changes to this should also be * reflected in regcustom.h. */ #if TCL_UTF_MAX > 3 /* * unsigned int isn't 100% accurate as it should be a strict 4-byte value * (perhaps wchar_t). 64-bit systems may have troubles. The size of this * value must be reflected correctly in regcustom.h and * in tclEncoding.c. * XXX: Tcl is currently UCS-2 and planning UTF-16 for the Unicode * XXX: string rep that Tcl_UniChar represents. Changing the size * XXX: of Tcl_UniChar is /not/ supported. */ typedef unsigned int Tcl_UniChar; #else typedef unsigned short Tcl_UniChar; #endif /* * TIP #59: The following structure is used in calls 'Tcl_RegisterConfig' to * provide the system with the embedded configuration data. */ typedef struct Tcl_Config { CONST char *key; /* Configuration key to register. ASCII * encoded, thus UTF-8 */ CONST char *value; /* The value associated with the key. System * encoding */ } Tcl_Config; /* * Flags for TIP#143 limits, detailing which limits are active in an * interpreter. Used for Tcl_{Add,Remove}LimitHandler type argument. */ #define TCL_LIMIT_COMMANDS 0x01 #define TCL_LIMIT_TIME 0x02 /* * Structure containing information about a limit handler to be called when a * command- or time-limit is exceeded by an interpreter. */ typedef void (Tcl_LimitHandlerProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp)); typedef void (Tcl_LimitHandlerDeleteProc) _ANSI_ARGS_((ClientData clientData)); #ifndef MP_INT_DECLARED typedef struct mp_int mp_int; #define MP_INT_DECLARED #endif #ifndef MP_DIGIT_DECLARED typedef unsigned long mp_digit; #define MP_DIGIT_DECLARED #endif /* * The following constant is used to test for older versions of Tcl in the * stubs tables. * * Jan Nijtman's plus patch uses 0xFCA1BACF, so we need to pick a different * value since the stubs tables don't match. */ #define TCL_STUB_MAGIC ((int)0xFCA3BACF) /* * The following function is required to be defined in all stubs aware * extensions. The function is actually implemented in the stub library, not * the main Tcl library, although there is a trivial implementation in the * main library in case an extension is statically linked into an application. */ EXTERN CONST char * Tcl_InitStubs _ANSI_ARGS_((Tcl_Interp *interp, CONST char *version, int exact)); EXTERN CONST char* TclTomMathInitializeStubs(Tcl_Interp* interp, CONST char* version, int epoch, int revision); #ifndef USE_TCL_STUBS /* * When not using stubs, make it a macro. */ #define Tcl_InitStubs(interp, version, exact) \ Tcl_PkgInitStubsCheck(interp, version, exact) #endif /* * TODO - tommath stubs export goes here! */ /* * Public functions that are not accessible via the stubs table. */ EXTERN void Tcl_Main _ANSI_ARGS_((int argc, char **argv, Tcl_AppInitProc *appInitProc)); EXTERN CONST char *Tcl_PkgInitStubsCheck _ANSI_ARGS_((Tcl_Interp *interp, CONST char *version, int exact)); /* * Include the public function declarations that are accessible via the stubs * table. */ #include "tclDecls.h" /* * Include platform specific public function declarations that are accessible * via the stubs table. */ #include "tclPlatDecls.h" /* * The following declarations either map ckalloc and ckfree to malloc and * free, or they map them to functions with all sorts of debugging hooks * defined in tclCkalloc.c. */ #ifdef TCL_MEM_DEBUG # define ckalloc(x) Tcl_DbCkalloc(x, __FILE__, __LINE__) # define ckfree(x) Tcl_DbCkfree(x, __FILE__, __LINE__) # define ckrealloc(x,y) Tcl_DbCkrealloc((x), (y),__FILE__, __LINE__) # define attemptckalloc(x) Tcl_AttemptDbCkalloc(x, __FILE__, __LINE__) # define attemptckrealloc(x,y) Tcl_AttemptDbCkrealloc((x), (y), __FILE__, __LINE__) #else /* !TCL_MEM_DEBUG */ /* * If we are not using the debugging allocator, we should call the Tcl_Alloc, * et al. routines in order to guarantee that every module is using the same * memory allocator both inside and outside of the Tcl library. */ # define ckalloc(x) Tcl_Alloc(x) # define ckfree(x) Tcl_Free(x) # define ckrealloc(x,y) Tcl_Realloc(x,y) # define attemptckalloc(x) Tcl_AttemptAlloc(x) # define attemptckrealloc(x,y) Tcl_AttemptRealloc(x,y) # undef Tcl_InitMemory # define Tcl_InitMemory(x) # undef Tcl_DumpActiveMemory # define Tcl_DumpActiveMemory(x) # undef Tcl_ValidateAllMemory # define Tcl_ValidateAllMemory(x,y) #endif /* !TCL_MEM_DEBUG */ #ifdef TCL_MEM_DEBUG # define Tcl_IncrRefCount(objPtr) \ Tcl_DbIncrRefCount(objPtr, __FILE__, __LINE__) # define Tcl_DecrRefCount(objPtr) \ Tcl_DbDecrRefCount(objPtr, __FILE__, __LINE__) # define Tcl_IsShared(objPtr) \ Tcl_DbIsShared(objPtr, __FILE__, __LINE__) #else # define Tcl_IncrRefCount(objPtr) \ ++(objPtr)->refCount /* * Use do/while0 idiom for optimum correctness without compiler warnings * http://c2.com/cgi/wiki?TrivialDoWhileLoop */ # define Tcl_DecrRefCount(objPtr) \ do { if (--(objPtr)->refCount <= 0) TclFreeObj(objPtr); } while(0) # define Tcl_IsShared(objPtr) \ ((objPtr)->refCount > 1) #endif /* * Macros and definitions that help to debug the use of Tcl objects. When * TCL_MEM_DEBUG is defined, the Tcl_New declarations are overridden to call * debugging versions of the object creation functions. */ #ifdef TCL_MEM_DEBUG # undef Tcl_NewBignumObj # define Tcl_NewBignumObj(val) \ Tcl_DbNewBignumObj(val, __FILE__, __LINE__) # undef Tcl_NewBooleanObj # define Tcl_NewBooleanObj(val) \ Tcl_DbNewBooleanObj(val, __FILE__, __LINE__) # undef Tcl_NewByteArrayObj # define Tcl_NewByteArrayObj(bytes, len) \ Tcl_DbNewByteArrayObj(bytes, len, __FILE__, __LINE__) # undef Tcl_NewDoubleObj # define Tcl_NewDoubleObj(val) \ Tcl_DbNewDoubleObj(val, __FILE__, __LINE__) # undef Tcl_NewIntObj # define Tcl_NewIntObj(val) \ Tcl_DbNewLongObj(val, __FILE__, __LINE__) # undef Tcl_NewListObj # define Tcl_NewListObj(objc, objv) \ Tcl_DbNewListObj(objc, objv, __FILE__, __LINE__) # undef Tcl_NewLongObj # define Tcl_NewLongObj(val) \ Tcl_DbNewLongObj(val, __FILE__, __LINE__) # undef Tcl_NewObj # define Tcl_NewObj() \ Tcl_DbNewObj(__FILE__, __LINE__) # undef Tcl_NewStringObj # define Tcl_NewStringObj(bytes, len) \ Tcl_DbNewStringObj(bytes, len, __FILE__, __LINE__) # undef Tcl_NewWideIntObj # define Tcl_NewWideIntObj(val) \ Tcl_DbNewWideIntObj(val, __FILE__, __LINE__) #endif /* TCL_MEM_DEBUG */ /* * Macros for clients to use to access fields of hash entries: */ #define Tcl_GetHashValue(h) ((h)->clientData) #define Tcl_SetHashValue(h, value) ((h)->clientData = (ClientData) (value)) #define Tcl_GetHashKey(tablePtr, h) \ ((char *) (((tablePtr)->keyType == TCL_ONE_WORD_KEYS || \ (tablePtr)->keyType == TCL_CUSTOM_PTR_KEYS) \ ? (h)->key.oneWordValue \ : (h)->key.string)) /* * Macros to use for clients to use to invoke find and create functions for * hash tables: */ #undef Tcl_FindHashEntry #define Tcl_FindHashEntry(tablePtr, key) \ (*((tablePtr)->findProc))(tablePtr, key) #undef Tcl_CreateHashEntry #define Tcl_CreateHashEntry(tablePtr, key, newPtr) \ (*((tablePtr)->createProc))(tablePtr, key, newPtr) /* * Macros that eliminate the overhead of the thread synchronization functions * when compiling without thread support. */ #ifndef TCL_THREADS #undef Tcl_MutexLock #define Tcl_MutexLock(mutexPtr) #undef Tcl_MutexUnlock #define Tcl_MutexUnlock(mutexPtr) #undef Tcl_MutexFinalize #define Tcl_MutexFinalize(mutexPtr) #undef Tcl_ConditionNotify #define Tcl_ConditionNotify(condPtr) #undef Tcl_ConditionWait #define Tcl_ConditionWait(condPtr, mutexPtr, timePtr) #undef Tcl_ConditionFinalize #define Tcl_ConditionFinalize(condPtr) #endif /* TCL_THREADS */ #ifndef TCL_NO_DEPRECATED /* * Deprecated Tcl functions: */ # undef Tcl_EvalObj # define Tcl_EvalObj(interp,objPtr) \ Tcl_EvalObjEx((interp),(objPtr),0) # undef Tcl_GlobalEvalObj # define Tcl_GlobalEvalObj(interp,objPtr) \ Tcl_EvalObjEx((interp),(objPtr),TCL_EVAL_GLOBAL) /* * These function have been renamed. The old names are deprecated, but we * define these macros for backwards compatibilty. */ # define Tcl_Ckalloc Tcl_Alloc # define Tcl_Ckfree Tcl_Free # define Tcl_Ckrealloc Tcl_Realloc # define Tcl_Return Tcl_SetResult # define Tcl_TildeSubst Tcl_TranslateFileName # define panic Tcl_Panic # define panicVA Tcl_PanicVA #endif /* * Convenience declaration of Tcl_AppInit for backwards compatibility. This * function is not *implemented* by the tcl library, so the storage class is * neither DLLEXPORT nor DLLIMPORT. */ #undef TCL_STORAGE_CLASS #define TCL_STORAGE_CLASS EXTERN int Tcl_AppInit _ANSI_ARGS_((Tcl_Interp *interp)); #undef TCL_STORAGE_CLASS #define TCL_STORAGE_CLASS DLLIMPORT #endif /* RC_INVOKED */ /* * end block for C++ */ #ifdef __cplusplus } #endif #endif /* _TCL */  /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */

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