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author | William Joye <wjoye@cfa.harvard.edu> | 2016-12-21 22:56:22 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2016-12-21 22:56:22 (GMT) |
commit | d1a6de55efc90f190dee42ab8c4fa9070834e77d (patch) | |
tree | ec633f5608ef498bee52a5f42c12c49493ec8bf8 /tcl8.6/generic/tcl.h | |
parent | 5514e37335c012cc70f5b9aee3cedfe3d57f583f (diff) | |
parent | 98acd3f494b28ddd8c345a2bb9311e41e2d56ddd (diff) | |
download | blt-d1a6de55efc90f190dee42ab8c4fa9070834e77d.zip blt-d1a6de55efc90f190dee42ab8c4fa9070834e77d.tar.gz blt-d1a6de55efc90f190dee42ab8c4fa9070834e77d.tar.bz2 |
Merge commit '98acd3f494b28ddd8c345a2bb9311e41e2d56ddd' as 'tcl8.6'
Diffstat (limited to 'tcl8.6/generic/tcl.h')
-rw-r--r-- | tcl8.6/generic/tcl.h | 2665 |
1 files changed, 2665 insertions, 0 deletions
diff --git a/tcl8.6/generic/tcl.h b/tcl8.6/generic/tcl.h new file mode 100644 index 0000000..3037ceb --- /dev/null +++ b/tcl8.6/generic/tcl.h @@ -0,0 +1,2665 @@ +/* + * 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. + */ + +#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) + */ + +#define TCL_MAJOR_VERSION 8 +#define TCL_MINOR_VERSION 6 +#define TCL_RELEASE_LEVEL TCL_FINAL_RELEASE +#define TCL_RELEASE_SERIAL 6 + +#define TCL_VERSION "8.6" +#define TCL_PATCH_LEVEL "8.6.6" + +/* + *---------------------------------------------------------------------------- + * The following definitions set up the proper options for Windows compilers. + * We use this method because there is no autoconf equivalent. + */ + +#ifdef _WIN32 +# ifndef __WIN32__ +# define __WIN32__ +# endif +# ifndef WIN32 +# define WIN32 +# endif +#endif + +/* + * 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 +#if defined(__GNUC__) && (__GNUC__ > 2) +# define TCL_FORMAT_PRINTF(a,b) __attribute__ ((__format__ (__printf__, a, b))) +# define TCL_NORETURN __attribute__ ((noreturn)) +# if defined(BUILD_tcl) || defined(BUILD_tk) +# define TCL_NORETURN1 __attribute__ ((noreturn)) +# else +# define TCL_NORETURN1 /* nothing */ +# endif +#else +# define TCL_FORMAT_PRINTF(a,b) +# if defined(_MSC_VER) && (_MSC_VER >= 1310) +# define TCL_NORETURN _declspec(noreturn) +# else +# define TCL_NORETURN /* nothing */ +# endif +# define TCL_NORETURN1 /* nothing */ +#endif + +/* + * Allow a part of Tcl's API to be explicitly marked as deprecated. + * + * Used to make TIP 330/336 generate moans even if people use the + * compatibility macros. Change your code, guys! We won't support you forever. + */ + +#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))) +# if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)) +# define TCL_DEPRECATED_API(msg) __attribute__ ((__deprecated__ (msg))) +# else +# define TCL_DEPRECATED_API(msg) __attribute__ ((__deprecated__)) +# endif +#else +# define TCL_DEPRECATED_API(msg) /* nothing portable */ +#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) || (defined(__BORLANDC__) && (__BORLANDC__ >= 0x0550)) || defined(__LCC__) || defined(__WATCOMC__) || (defined(__GNUC__) && defined(__declspec)))) +# define HAVE_DECLSPEC 1 +# ifdef STATIC_BUILD +# define DLLIMPORT +# define DLLEXPORT +# ifdef _DLL +# define CRTIMPORT __declspec(dllimport) +# else +# define CRTIMPORT +# endif +# else +# define DLLIMPORT __declspec(dllimport) +# define DLLEXPORT __declspec(dllexport) +# define CRTIMPORT __declspec(dllimport) +# endif +#else +# define DLLIMPORT +# if defined(__GNUC__) && __GNUC__ > 3 +# define DLLEXPORT __attribute__ ((visibility("default"))) +# else +# define DLLEXPORT +# endif +# define CRTIMPORT +#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 + +/* + * The following _ANSI_ARGS_ macro is to support old extensions + * written for older versions of Tcl where it permitted support + * for compilers written in the pre-prototype era of C. + * + * New code should use prototypes. + */ + +#ifndef TCL_NO_DEPRECATED +# undef _ANSI_ARGS_ +# define _ANSI_ARGS_(x) x +#endif + +/* + * Definitions that allow this header file to be used either with or without + * ANSI C features. + */ + +#ifndef INLINE +# define INLINE +#endif + +#ifdef NO_CONST +# ifndef const +# define const +# endif +#endif +#ifndef CONST +# define CONST const +#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 + +#ifndef CONST86 +# define CONST86 CONST84 +#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 __VXWORKS__ +# ifndef NO_VOID +# define VOID void +# else +# define VOID char +# endif +#endif + +/* + * Miscellaneous declarations. + */ + +#ifndef _CLIENTDATA +# ifndef NO_VOID + typedef void *ClientData; +# else + typedef int *ClientData; +# endif +# define _CLIENTDATA +#endif + +/* + * Darwin specific 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(_WIN32) +# define TCL_WIDE_INT_TYPE __int64 +# ifdef __BORLANDC__ +# define TCL_LL_MODIFIER "L" +# else /* __BORLANDC__ */ +# define TCL_LL_MODIFIER "I64" +# endif /* __BORLANDC__ */ +# elif defined(__GNUC__) +# define TCL_WIDE_INT_TYPE long long +# define TCL_LL_MODIFIER "ll" +# else /* ! _WIN32 && ! __GNUC__ */ +/* + * Don't know what platform it is and configure hasn't discovered what is + * going on for us. Try to guess... + */ +# 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 /* _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 +# 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 +# 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 */ + +#if defined(_WIN32) +# ifdef __BORLANDC__ + typedef struct stati64 Tcl_StatBuf; +# elif defined(_WIN64) + typedef struct __stat64 Tcl_StatBuf; +# elif (defined(_MSC_VER) && (_MSC_VER < 1400)) || defined(_USE_32BIT_TIME_T) + typedef struct _stati64 Tcl_StatBuf; +# else + typedef struct _stat32i64 Tcl_StatBuf; +# endif /* _MSC_VER < 1400 */ +#elif defined(__CYGWIN__) + typedef struct { + dev_t st_dev; + unsigned short st_ino; + unsigned short st_mode; + short st_nlink; + short st_uid; + short st_gid; + /* Here is a 2-byte gap */ + dev_t st_rdev; + /* Here is a 4-byte gap */ + long long st_size; + struct {long tv_sec;} st_atim; + struct {long tv_sec;} st_mtim; + struct {long tv_sec;} st_ctim; + /* Here is a 4-byte gap */ + } Tcl_StatBuf; +#elif defined(HAVE_STRUCT_STAT64) && !defined(__APPLE__) + typedef struct stat64 Tcl_StatBuf; +#else + typedef struct stat Tcl_StatBuf; +#endif + +/* + *---------------------------------------------------------------------------- + * 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 +#ifndef TCL_NO_DEPRECATED +{ + /* TIP #330: Strongly discourage extensions from using the string + * result. */ +#ifdef USE_INTERP_RESULT + char *result TCL_DEPRECATED_API("use Tcl_GetStringResult/Tcl_SetResult"); + /* If the last command returned a string + * result, this points to it. */ + void (*freeProc) (char *blockPtr) + TCL_DEPRECATED_API("use Tcl_GetStringResult/Tcl_SetResult"); + /* 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. */ +#else + char *resultDontUse; /* Don't use in extensions! */ + void (*freeProcDontUse) (char *); /* Don't use in extensions! */ +#endif +#ifdef USE_INTERP_ERRORLINE + int errorLine TCL_DEPRECATED_API("use Tcl_GetErrorLine/Tcl_SetErrorLine"); + /* When TCL_ERROR is returned, this gives the + * line number within the command where the + * error occurred (1 if first line). */ +#else + int errorLineDontUse; /* Don't use in extensions! */ +#endif +} +#endif /* TCL_NO_DEPRECATED */ +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; +typedef struct Tcl_ZLibStream_ *Tcl_ZlibStream; + +/* + *---------------------------------------------------------------------------- + * 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) (ClientData clientData); +#else +typedef void (Tcl_ThreadCreateProc) (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) (Tcl_Interp *interp); +typedef int (Tcl_AsyncProc) (ClientData clientData, Tcl_Interp *interp, + int code); +typedef void (Tcl_ChannelProc) (ClientData clientData, int mask); +typedef void (Tcl_CloseProc) (ClientData data); +typedef void (Tcl_CmdDeleteProc) (ClientData clientData); +typedef int (Tcl_CmdProc) (ClientData clientData, Tcl_Interp *interp, + int argc, CONST84 char *argv[]); +typedef void (Tcl_CmdTraceProc) (ClientData clientData, Tcl_Interp *interp, + int level, char *command, Tcl_CmdProc *proc, + ClientData cmdClientData, int argc, CONST84 char *argv[]); +typedef int (Tcl_CmdObjTraceProc) (ClientData clientData, Tcl_Interp *interp, + int level, const char *command, Tcl_Command commandInfo, int objc, + struct Tcl_Obj *const *objv); +typedef void (Tcl_CmdObjTraceDeleteProc) (ClientData clientData); +typedef void (Tcl_DupInternalRepProc) (struct Tcl_Obj *srcPtr, + struct Tcl_Obj *dupPtr); +typedef int (Tcl_EncodingConvertProc) (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) (ClientData clientData); +typedef int (Tcl_EventProc) (Tcl_Event *evPtr, int flags); +typedef void (Tcl_EventCheckProc) (ClientData clientData, int flags); +typedef int (Tcl_EventDeleteProc) (Tcl_Event *evPtr, ClientData clientData); +typedef void (Tcl_EventSetupProc) (ClientData clientData, int flags); +typedef void (Tcl_ExitProc) (ClientData clientData); +typedef void (Tcl_FileProc) (ClientData clientData, int mask); +typedef void (Tcl_FileFreeProc) (ClientData clientData); +typedef void (Tcl_FreeInternalRepProc) (struct Tcl_Obj *objPtr); +typedef void (Tcl_FreeProc) (char *blockPtr); +typedef void (Tcl_IdleProc) (ClientData clientData); +typedef void (Tcl_InterpDeleteProc) (ClientData clientData, + Tcl_Interp *interp); +typedef int (Tcl_MathProc) (ClientData clientData, Tcl_Interp *interp, + Tcl_Value *args, Tcl_Value *resultPtr); +typedef void (Tcl_NamespaceDeleteProc) (ClientData clientData); +typedef int (Tcl_ObjCmdProc) (ClientData clientData, Tcl_Interp *interp, + int objc, struct Tcl_Obj *const *objv); +typedef int (Tcl_PackageInitProc) (Tcl_Interp *interp); +typedef int (Tcl_PackageUnloadProc) (Tcl_Interp *interp, int flags); +typedef void (Tcl_PanicProc) (const char *format, ...); +typedef void (Tcl_TcpAcceptProc) (ClientData callbackData, Tcl_Channel chan, + char *address, int port); +typedef void (Tcl_TimerProc) (ClientData clientData); +typedef int (Tcl_SetFromAnyProc) (Tcl_Interp *interp, struct Tcl_Obj *objPtr); +typedef void (Tcl_UpdateStringProc) (struct Tcl_Obj *objPtr); +typedef char * (Tcl_VarTraceProc) (ClientData clientData, Tcl_Interp *interp, + CONST84 char *part1, CONST84 char *part2, int flags); +typedef void (Tcl_CommandTraceProc) (ClientData clientData, Tcl_Interp *interp, + const char *oldName, const char *newName, int flags); +typedef void (Tcl_CreateFileHandlerProc) (int fd, int mask, Tcl_FileProc *proc, + ClientData clientData); +typedef void (Tcl_DeleteFileHandlerProc) (int fd); +typedef void (Tcl_AlertNotifierProc) (ClientData clientData); +typedef void (Tcl_ServiceModeHookProc) (int mode); +typedef ClientData (Tcl_InitNotifierProc) (void); +typedef void (Tcl_FinalizeNotifierProc) (ClientData clientData); +typedef void (Tcl_MainLoopProc) (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 { + const 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. */ + const 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, + not used internally any more. */ + Tcl_WideInt wideValue; /* - a long long value. */ + struct { /* - internal rep as two pointers. + * the main use of which is a bignum's + * tightly packed fields, where the alloc, + * used and signum flags are packed into + * ptr2 with everything else hung off ptr1. */ + void *ptr1; + void *ptr2; + } twoPtrValue; + struct { /* - internal rep as a pointer and a long, + not used internally any more. */ + void *ptr; + unsigned long value; + } 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. + */ + +void Tcl_IncrRefCount(Tcl_Obj *objPtr); +void Tcl_DecrRefCount(Tcl_Obj *objPtr); +int Tcl_IsShared(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; + void *dummy3; + void *dummy4; + void *dummy5; + int dummy6; + void *dummy7; + void *dummy8; + int dummy9; + void *dummy10; + void *dummy11; + void *dummy12; + void *dummy13; +} 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. + */ + +#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. + * TCL_CANCEL_UNWIND: Magical Tcl_CancelEval mode that causes the + * stack for the script in progress to be + * completely unwound. + * TCL_EVAL_NOERR: Do no exception reporting at all, just return + * as the caller will report. + */ + +#define TCL_NO_EVAL 0x010000 +#define TCL_EVAL_GLOBAL 0x020000 +#define TCL_EVAL_DIRECT 0x040000 +#define TCL_EVAL_INVOKE 0x080000 +#define TCL_CANCEL_UNWIND 0x100000 +#define TCL_EVAL_NOERR 0x200000 + +/* + * 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. + * WARNING: these bit choices must not conflict with the bit choice for + * TCL_CANCEL_UNWIND, above. + */ + +#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 (Tcl_HashKeyProc) (Tcl_HashTable *tablePtr, void *keyPtr); +typedef int (Tcl_CompareHashKeysProc) (void *keyPtr, Tcl_HashEntry *hPtr); +typedef Tcl_HashEntry * (Tcl_AllocHashEntryProc) (Tcl_HashTable *tablePtr, + void *keyPtr); +typedef void (Tcl_FreeHashEntryProc) (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[1]; /* 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) (Tcl_HashTable *tablePtr, const char *key); + Tcl_HashEntry *(*createProc) (Tcl_HashTable *tablePtr, const char *key, + int *newPtr); + const 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) (CONST86 Tcl_Time *timePtr); +typedef int (Tcl_WaitForEventProc) (CONST86 Tcl_Time *timePtr); + +/* + * TIP #233 (Virtualized Time) + */ + +typedef void (Tcl_GetTimeProc) (Tcl_Time *timebuf, ClientData clientData); +typedef void (Tcl_ScaleTimeProc) (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) (ClientData instanceData, int mode); +typedef int (Tcl_DriverCloseProc) (ClientData instanceData, + Tcl_Interp *interp); +typedef int (Tcl_DriverClose2Proc) (ClientData instanceData, + Tcl_Interp *interp, int flags); +typedef int (Tcl_DriverInputProc) (ClientData instanceData, char *buf, + int toRead, int *errorCodePtr); +typedef int (Tcl_DriverOutputProc) (ClientData instanceData, + CONST84 char *buf, int toWrite, int *errorCodePtr); +typedef int (Tcl_DriverSeekProc) (ClientData instanceData, long offset, + int mode, int *errorCodePtr); +typedef int (Tcl_DriverSetOptionProc) (ClientData instanceData, + Tcl_Interp *interp, const char *optionName, + const char *value); +typedef int (Tcl_DriverGetOptionProc) (ClientData instanceData, + Tcl_Interp *interp, CONST84 char *optionName, + Tcl_DString *dsPtr); +typedef void (Tcl_DriverWatchProc) (ClientData instanceData, int mask); +typedef int (Tcl_DriverGetHandleProc) (ClientData instanceData, + int direction, ClientData *handlePtr); +typedef int (Tcl_DriverFlushProc) (ClientData instanceData); +typedef int (Tcl_DriverHandlerProc) (ClientData instanceData, + int interestMask); +typedef Tcl_WideInt (Tcl_DriverWideSeekProc) (ClientData instanceData, + Tcl_WideInt offset, int mode, int *errorCodePtr); +/* + * TIP #218, Channel Thread Actions + */ +typedef void (Tcl_DriverThreadActionProc) (ClientData instanceData, + int action); +/* + * TIP #208, File Truncation (etc.) + */ +typedef int (Tcl_DriverTruncateProc) (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 { + const 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) (Tcl_Obj *pathPtr, Tcl_StatBuf *buf); +typedef int (Tcl_FSAccessProc) (Tcl_Obj *pathPtr, int mode); +typedef Tcl_Channel (Tcl_FSOpenFileChannelProc) (Tcl_Interp *interp, + Tcl_Obj *pathPtr, int mode, int permissions); +typedef int (Tcl_FSMatchInDirectoryProc) (Tcl_Interp *interp, Tcl_Obj *result, + Tcl_Obj *pathPtr, const char *pattern, Tcl_GlobTypeData *types); +typedef Tcl_Obj * (Tcl_FSGetCwdProc) (Tcl_Interp *interp); +typedef int (Tcl_FSChdirProc) (Tcl_Obj *pathPtr); +typedef int (Tcl_FSLstatProc) (Tcl_Obj *pathPtr, Tcl_StatBuf *buf); +typedef int (Tcl_FSCreateDirectoryProc) (Tcl_Obj *pathPtr); +typedef int (Tcl_FSDeleteFileProc) (Tcl_Obj *pathPtr); +typedef int (Tcl_FSCopyDirectoryProc) (Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr, Tcl_Obj **errorPtr); +typedef int (Tcl_FSCopyFileProc) (Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr); +typedef int (Tcl_FSRemoveDirectoryProc) (Tcl_Obj *pathPtr, int recursive, + Tcl_Obj **errorPtr); +typedef int (Tcl_FSRenameFileProc) (Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr); +typedef void (Tcl_FSUnloadFileProc) (Tcl_LoadHandle loadHandle); +typedef Tcl_Obj * (Tcl_FSListVolumesProc) (void); +/* We have to declare the utime structure here. */ +struct utimbuf; +typedef int (Tcl_FSUtimeProc) (Tcl_Obj *pathPtr, struct utimbuf *tval); +typedef int (Tcl_FSNormalizePathProc) (Tcl_Interp *interp, Tcl_Obj *pathPtr, + int nextCheckpoint); +typedef int (Tcl_FSFileAttrsGetProc) (Tcl_Interp *interp, int index, + Tcl_Obj *pathPtr, Tcl_Obj **objPtrRef); +typedef const char *CONST86 * (Tcl_FSFileAttrStringsProc) (Tcl_Obj *pathPtr, + Tcl_Obj **objPtrRef); +typedef int (Tcl_FSFileAttrsSetProc) (Tcl_Interp *interp, int index, + Tcl_Obj *pathPtr, Tcl_Obj *objPtr); +typedef Tcl_Obj * (Tcl_FSLinkProc) (Tcl_Obj *pathPtr, Tcl_Obj *toPtr, + int linkType); +typedef int (Tcl_FSLoadFileProc) (Tcl_Interp *interp, Tcl_Obj *pathPtr, + Tcl_LoadHandle *handlePtr, Tcl_FSUnloadFileProc **unloadProcPtr); +typedef int (Tcl_FSPathInFilesystemProc) (Tcl_Obj *pathPtr, + ClientData *clientDataPtr); +typedef Tcl_Obj * (Tcl_FSFilesystemPathTypeProc) (Tcl_Obj *pathPtr); +typedef Tcl_Obj * (Tcl_FSFilesystemSeparatorProc) (Tcl_Obj *pathPtr); +typedef void (Tcl_FSFreeInternalRepProc) (ClientData clientData); +typedef ClientData (Tcl_FSDupInternalRepProc) (ClientData clientData); +typedef Tcl_Obj * (Tcl_FSInternalToNormalizedProc) (ClientData clientData); +typedef ClientData (Tcl_FSCreateInternalRepProc) (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 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 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. + * TCL_ENCODING_NO_TERMINATE - If set, Tcl_ExternalToUtf will not append a + * terminating NUL byte. Knowing that it will + * not need space to do so, it will fill all + * dstLen bytes with encoded UTF-8 content, as + * other circumstances permit. If clear, the + * default behavior is to reserve a byte in + * the dst space for NUL termination, and to + * append the NUL byte. + * TCL_ENCODING_CHAR_LIMIT - If set and dstCharsPtr is not NULL, then + * Tcl_ExternalToUtf takes the initial value + * of *dstCharsPtr is taken as a limit of the + * maximum number of chars to produce in the + * encoded UTF-8 content. Otherwise, the + * number of chars produced is controlled only + * by other limiting factors. + */ + +#define TCL_ENCODING_START 0x01 +#define TCL_ENCODING_END 0x02 +#define TCL_ENCODING_STOPONERROR 0x04 +#define TCL_ENCODING_NO_TERMINATE 0x08 +#define TCL_ENCODING_CHAR_LIMIT 0x10 + +/* + * 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, 4 or 6 + * (or perhaps 1 if we want to support a non-unicode enabled core). If 3 or + * 4, 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 > 4 + /* + * 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) (ClientData clientData, Tcl_Interp *interp); +typedef void (Tcl_LimitHandlerDeleteProc) (ClientData clientData); + +/* + *---------------------------------------------------------------------------- + * Override definitions for libtommath. + */ + +typedef struct mp_int mp_int; +#define MP_INT_DECLARED +typedef unsigned int mp_digit; +#define MP_DIGIT_DECLARED + +/* + *---------------------------------------------------------------------------- + * Definitions needed for Tcl_ParseArgvObj routines. + * Based on tkArgv.c. + * Modifications from the original are copyright (c) Sam Bromley 2006 + */ + +typedef struct { + int type; /* Indicates the option type; see below. */ + const char *keyStr; /* The key string that flags the option in the + * argv array. */ + void *srcPtr; /* Value to be used in setting dst; usage + * depends on type.*/ + void *dstPtr; /* Address of value to be modified; usage + * depends on type.*/ + const char *helpStr; /* Documentation message describing this + * option. */ + ClientData clientData; /* Word to pass to function callbacks. */ +} Tcl_ArgvInfo; + +/* + * Legal values for the type field of a Tcl_ArgInfo: see the user + * documentation for details. + */ + +#define TCL_ARGV_CONSTANT 15 +#define TCL_ARGV_INT 16 +#define TCL_ARGV_STRING 17 +#define TCL_ARGV_REST 18 +#define TCL_ARGV_FLOAT 19 +#define TCL_ARGV_FUNC 20 +#define TCL_ARGV_GENFUNC 21 +#define TCL_ARGV_HELP 22 +#define TCL_ARGV_END 23 + +/* + * Types of callback functions for the TCL_ARGV_FUNC and TCL_ARGV_GENFUNC + * argument types: + */ + +typedef int (Tcl_ArgvFuncProc)(ClientData clientData, Tcl_Obj *objPtr, + void *dstPtr); +typedef int (Tcl_ArgvGenFuncProc)(ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const *objv, void *dstPtr); + +/* + * Shorthand for commonly used argTable entries. + */ + +#define TCL_ARGV_AUTO_HELP \ + {TCL_ARGV_HELP, "-help", NULL, NULL, \ + "Print summary of command-line options and abort", NULL} +#define TCL_ARGV_AUTO_REST \ + {TCL_ARGV_REST, "--", NULL, NULL, \ + "Marks the end of the options", NULL} +#define TCL_ARGV_TABLE_END \ + {TCL_ARGV_END, NULL, NULL, NULL, NULL, NULL} + +/* + *---------------------------------------------------------------------------- + * Definitions needed for Tcl_Zlib routines. [TIP #234] + * + * Constants for the format flags describing what sort of data format is + * desired/expected for the Tcl_ZlibDeflate, Tcl_ZlibInflate and + * Tcl_ZlibStreamInit functions. + */ + +#define TCL_ZLIB_FORMAT_RAW 1 +#define TCL_ZLIB_FORMAT_ZLIB 2 +#define TCL_ZLIB_FORMAT_GZIP 4 +#define TCL_ZLIB_FORMAT_AUTO 8 + +/* + * Constants that describe whether the stream is to operate in compressing or + * decompressing mode. + */ + +#define TCL_ZLIB_STREAM_DEFLATE 16 +#define TCL_ZLIB_STREAM_INFLATE 32 + +/* + * Constants giving compression levels. Use of TCL_ZLIB_COMPRESS_DEFAULT is + * recommended. + */ + +#define TCL_ZLIB_COMPRESS_NONE 0 +#define TCL_ZLIB_COMPRESS_FAST 1 +#define TCL_ZLIB_COMPRESS_BEST 9 +#define TCL_ZLIB_COMPRESS_DEFAULT (-1) + +/* + * Constants for types of flushing, used with Tcl_ZlibFlush. + */ + +#define TCL_ZLIB_NO_FLUSH 0 +#define TCL_ZLIB_FLUSH 2 +#define TCL_ZLIB_FULLFLUSH 3 +#define TCL_ZLIB_FINALIZE 4 + +/* + *---------------------------------------------------------------------------- + * Definitions needed for the Tcl_LoadFile function. [TIP #416] + */ + +#define TCL_LOAD_GLOBAL 1 +#define TCL_LOAD_LAZY 2 + +/* + *---------------------------------------------------------------------------- + * Single public declaration for NRE. + */ + +typedef int (Tcl_NRPostProc) (ClientData data[], Tcl_Interp *interp, + int result); + +/* + *---------------------------------------------------------------------------- + * 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. + */ + +const char * Tcl_InitStubs(Tcl_Interp *interp, const char *version, + int exact); +const char * TclTomMathInitializeStubs(Tcl_Interp *interp, + const char *version, int epoch, int revision); + +/* + * When not using stubs, make it a macro. + */ + +#ifndef USE_TCL_STUBS +#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. + * Tcl_GetMemoryInfo is needed for AOLserver. [Bug 1868171] + */ + +#define Tcl_Main(argc, argv, proc) Tcl_MainEx(argc, argv, proc, \ + ((Tcl_CreateInterp)())) +EXTERN void Tcl_MainEx(int argc, char **argv, + Tcl_AppInitProc *appInitProc, Tcl_Interp *interp); +EXTERN const char * Tcl_PkgInitStubsCheck(Tcl_Interp *interp, + const char *version, int exact); +EXTERN void Tcl_GetMemoryInfo(Tcl_DString *dsPtr); + +/* + *---------------------------------------------------------------------------- + * 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. Make all TclOO symbols MODULE_SCOPE (which only + * has effect on building it as a shared library). See ticket [3010352]. + */ + +#if defined(BUILD_tcl) +# undef TCLAPI +# define TCLAPI MODULE_SCOPE +#endif + +#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) \ + ((void *) Tcl_DbCkalloc((unsigned)(x), __FILE__, __LINE__)) +# define ckfree(x) \ + Tcl_DbCkfree((char *)(x), __FILE__, __LINE__) +# define ckrealloc(x,y) \ + ((void *) Tcl_DbCkrealloc((char *)(x), (unsigned)(y), __FILE__, __LINE__)) +# define attemptckalloc(x) \ + ((void *) Tcl_AttemptDbCkalloc((unsigned)(x), __FILE__, __LINE__)) +# define attemptckrealloc(x,y) \ + ((void *) Tcl_AttemptDbCkrealloc((char *)(x), (unsigned)(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) \ + ((void *) Tcl_Alloc((unsigned)(x))) +# define ckfree(x) \ + Tcl_Free((char *)(x)) +# define ckrealloc(x,y) \ + ((void *) Tcl_Realloc((char *)(x), (unsigned)(y))) +# define attemptckalloc(x) \ + ((void *) Tcl_AttemptAlloc((unsigned)(x))) +# define attemptckrealloc(x,y) \ + ((void *) Tcl_AttemptRealloc((char *)(x), (unsigned)(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 { \ + Tcl_Obj *_objPtr = (objPtr); \ + if ((_objPtr)->refCount-- <= 1) { \ + 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) \ + ((void *) (((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, (const char *)(key)) +#undef Tcl_CreateHashEntry +#define Tcl_CreateHashEntry(tablePtr, key, newPtr) \ + (*((tablePtr)->createProc))(tablePtr, (const char *)(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 */ + +/* + *---------------------------------------------------------------------------- + * Deprecated Tcl functions: + */ + +#ifndef TCL_NO_DEPRECATED +/* + * 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 /* !TCL_NO_DEPRECATED */ + +/* + *---------------------------------------------------------------------------- + * 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. + */ + +extern Tcl_AppInitProc Tcl_AppInit; + +#endif /* RC_INVOKED */ + +/* + * end block for C++ + */ + +#ifdef __cplusplus +} +#endif + +#endif /* _TCL */ + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |