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/*
* tcl.h --
*
* This header file describes the externally-visible facilities
* of the Tcl interpreter.
*
* Copyright 1987-1991 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*
* $Header: /user6/ouster/tcl/RCS/tcl.h,v 1.92 93/02/04 15:48:05 ouster Exp $ SPRITE (Berkeley)
*/
#ifndef _TCL
#define _TCL
#define TCL_VERSION "6.7"
#define TCL_MAJOR_VERSION 6
#define TCL_MINOR_VERSION 7
/*
* Definitions that allow this header file to be used either with or
* without ANSI C features like function prototypes.
*/
#undef _ANSI_ARGS_
#undef const
#if ((defined(__STDC__) || defined(SABER)) && !defined(NO_PROTOTYPE)) || defined(__cplusplus)
# define _ANSI_ARGS_(x) x
# define CONST const
# ifdef __cplusplus
# define VARARGS (...)
# else
# define VARARGS ()
# endif
#else
# define _ANSI_ARGS_(x) ()
# define CONST
#endif
#ifdef __cplusplus
# define EXTERN extern "C"
#else
# define EXTERN extern
#endif
/*
* 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 VOID
# ifdef __STDC__
# define VOID void
# else
# define VOID char
# endif
#endif
/*
* Miscellaneous declarations (to allow Tcl to be used stand-alone,
* without the rest of Sprite).
*/
#ifndef NULL
#define NULL 0
#endif
#ifndef _CLIENTDATA
typedef int *ClientData;
#define _CLIENTDATA
#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 for returning string values.
* Note: any change to the Tcl_Interp definition below must be mirrored
* in the "real" definition in tclInt.h.
*/
typedef struct Tcl_Interp{
char *result; /* Points to result string returned by last
* command. */
void (*freeProc) _ANSI_ARGS_((char *blockPtr));
/* Zero means result is statically allocated.
* If non-zero, gives address of procedure
* to invoke to free the result. Must be
* freed by Tcl_Eval before executing next
* command. */
int errorLine; /* When TCL_ERROR is returned, this gives
* the line number within the command where
* the error occurred (1 means first line). */
} Tcl_Interp;
typedef int *Tcl_Trace;
typedef int *Tcl_CmdBuf;
/*
* When a TCL command returns, the string pointer interp->result points to
* a string containing return information from the command. In addition,
* the command procedure returns an integer value, which is one of the
* following:
*
* TCL_OK Command completed normally; interp->result contains
* the command's result.
* TCL_ERROR The command couldn't be completed successfully;
* interp->result describes what went wrong.
* TCL_RETURN The command requests that the current procedure
* return; interp->result contains the procedure's
* return value.
* TCL_BREAK The command requests that the innermost loop
* be exited; interp->result is meaningless.
* TCL_CONTINUE Go on to the next iteration of the current loop;
* interp->result is meaninless.
*/
#define TCL_OK 0
#define TCL_ERROR 1
#define TCL_RETURN 2
#define TCL_BREAK 3
#define TCL_CONTINUE 4
#define TCL_RESULT_SIZE 199
/*
* Procedure types defined by Tcl:
*/
typedef void (Tcl_CmdDeleteProc) _ANSI_ARGS_((ClientData clientData));
typedef int (Tcl_CmdProc) _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char *argv[]));
typedef void (Tcl_CmdTraceProc) _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int level, char *command, Tcl_CmdProc *proc,
ClientData cmdClientData, int argc, char *argv[]));
typedef void (Tcl_FreeProc) _ANSI_ARGS_((char *blockPtr));
typedef char *(Tcl_VarTraceProc) _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, char *part1, char *part2, int flags));
/*
* Flag values passed to Tcl_Eval (see the man page for details; also
* see tclInt.h for additional flags that are only used internally by
* Tcl):
*/
#define TCL_BRACKET_TERM 1
/*
* Flag that may be passed to Tcl_ConvertElement to force it not to
* output braces (careful! if you change this flag be sure to change
* the definitions at the front of tclUtil.c).
*/
#define TCL_DONT_USE_BRACES 1
/*
* Flag value passed to Tcl_RecordAndEval to request no evaluation
* (record only).
*/
#define TCL_NO_EVAL -1
/*
* Specil 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 *) free)
/*
* Flag values passed to variable-related procedures.
*/
#define TCL_GLOBAL_ONLY 1
#define TCL_APPEND_VALUE 2
#define TCL_LIST_ELEMENT 4
#define TCL_NO_SPACE 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
/*
* Additional flag passed back to variable watchers. This flag must
* not overlap any of the TCL_TRACE_* flags defined above or the
* TRACE_* flags defined in tclInt.h.
*/
#define TCL_VARIABLE_UNDEFINED 8
/*
* The following declarations either map ckalloc and ckfree to
* malloc and free, or they map them to procedures with all sorts
* of debugging hooks defined in tclCkalloc.c.
*/
#ifdef TCL_MEM_DEBUG
EXTERN char * Tcl_DbCkalloc _ANSI_ARGS_((unsigned int size,
char *file, int line));
EXTERN int Tcl_DbCkfree _ANSI_ARGS_((char *ptr,
char *file, int line));
EXTERN char * Tcl_DbCkrealloc _ANSI_ARGS_((char *ptr,
unsigned int size, char *file, int line));
EXTERN int Tcl_DumpActiveMemory _ANSI_ARGS_((char *fileName));
EXTERN void Tcl_ValidateAllMemory _ANSI_ARGS_((char *file,
int line));
# define ckalloc(x) Tcl_DbCkalloc(x, __FILE__, __LINE__)
# define ckfree(x) Tcl_DbCkfree(x, __FILE__, __LINE__)
# define ckrealloc(x,y) Tcl_DbCkrealloc((x), (y),__FILE__, __LINE__)
#else
# define ckalloc(x) malloc(x)
# define ckfree(x) free(x)
# define ckrealloc(x,y) realloc(x,y)
# define Tcl_DumpActiveMemory(x)
# define Tcl_ValidateAllMemory(x,y)
#endif /* TCL_MEM_DEBUG */
/*
* Macro to free up result of interpreter.
*/
#define Tcl_FreeResult(interp) \
if ((interp)->freeProc != 0) { \
if ((interp)->freeProc == (Tcl_FreeProc *) free) { \
ckfree((interp)->result); \
} else { \
(*(interp)->freeProc)((interp)->result); \
} \
(interp)->freeProc = 0; \
}
/*
* Exported Tcl procedures:
*/
EXTERN void Tcl_AppendElement _ANSI_ARGS_((Tcl_Interp *interp,
char *string, int noSep));
EXTERN void Tcl_AppendResult _ANSI_ARGS_(VARARGS);
EXTERN char * Tcl_AssembleCmd _ANSI_ARGS_((Tcl_CmdBuf buffer,
char *string));
EXTERN void Tcl_AddErrorInfo _ANSI_ARGS_((Tcl_Interp *interp,
char *message));
EXTERN char Tcl_Backslash _ANSI_ARGS_((char *src,
int *readPtr));
EXTERN int Tcl_CommandComplete _ANSI_ARGS_((char *cmd));
EXTERN char * Tcl_Concat _ANSI_ARGS_((int argc, char **argv));
EXTERN int Tcl_ConvertElement _ANSI_ARGS_((char *src,
char *dst, int flags));
EXTERN Tcl_CmdBuf Tcl_CreateCmdBuf _ANSI_ARGS_((void));
EXTERN void Tcl_CreateCommand _ANSI_ARGS_((Tcl_Interp *interp,
char *cmdName, Tcl_CmdProc *proc,
ClientData clientData,
Tcl_CmdDeleteProc *deleteProc));
EXTERN Tcl_Interp * Tcl_CreateInterp _ANSI_ARGS_((void));
EXTERN int Tcl_CreatePipeline _ANSI_ARGS_((Tcl_Interp *interp,
int argc, char **argv, int **pidArrayPtr,
int *inPipePtr, int *outPipePtr,
int *errFilePtr));
EXTERN Tcl_Trace Tcl_CreateTrace _ANSI_ARGS_((Tcl_Interp *interp,
int level, Tcl_CmdTraceProc *proc,
ClientData clientData));
EXTERN void Tcl_DeleteCmdBuf _ANSI_ARGS_((Tcl_CmdBuf buffer));
EXTERN int Tcl_DeleteCommand _ANSI_ARGS_((Tcl_Interp *interp,
char *cmdName));
EXTERN void Tcl_DeleteInterp _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN void Tcl_DeleteTrace _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Trace trace));
EXTERN void Tcl_DetachPids _ANSI_ARGS_((int numPids, int *pidPtr));
EXTERN char * Tcl_ErrnoId _ANSI_ARGS_((void));
EXTERN int Tcl_Eval _ANSI_ARGS_((Tcl_Interp *interp, char *cmd,
int flags, char **termPtr));
EXTERN int Tcl_EvalFile _ANSI_ARGS_((Tcl_Interp *interp,
char *fileName));
EXTERN int Tcl_ExprBoolean _ANSI_ARGS_((Tcl_Interp *interp,
char *string, int *ptr));
EXTERN int Tcl_ExprDouble _ANSI_ARGS_((Tcl_Interp *interp,
char *string, double *ptr));
EXTERN int Tcl_ExprLong _ANSI_ARGS_((Tcl_Interp *interp,
char *string, long *ptr));
EXTERN int Tcl_ExprString _ANSI_ARGS_((Tcl_Interp *interp,
char *string));
EXTERN int Tcl_Fork _ANSI_ARGS_((void));
EXTERN int Tcl_GetBoolean _ANSI_ARGS_((Tcl_Interp *interp,
char *string, int *boolPtr));
EXTERN int Tcl_GetDouble _ANSI_ARGS_((Tcl_Interp *interp,
char *string, double *doublePtr));
EXTERN int Tcl_GetInt _ANSI_ARGS_((Tcl_Interp *interp,
char *string, int *intPtr));
EXTERN char * Tcl_GetVar _ANSI_ARGS_((Tcl_Interp *interp,
char *varName, int flags));
EXTERN char * Tcl_GetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
char *part1, char *part2, int flags));
EXTERN int Tcl_GlobalEval _ANSI_ARGS_((Tcl_Interp *interp,
char *command));
EXTERN void Tcl_InitHistory _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN void Tcl_InitMemory _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN char * Tcl_Merge _ANSI_ARGS_((int argc, char **argv));
EXTERN char * Tcl_ParseVar _ANSI_ARGS_((Tcl_Interp *interp,
char *string, char **termPtr));
EXTERN int Tcl_RecordAndEval _ANSI_ARGS_((Tcl_Interp *interp,
char *cmd, int flags));
EXTERN void Tcl_ResetResult _ANSI_ARGS_((Tcl_Interp *interp));
#define Tcl_Return Tcl_SetResult
EXTERN int Tcl_ScanElement _ANSI_ARGS_((char *string,
int *flagPtr));
EXTERN void Tcl_SetErrorCode _ANSI_ARGS_(VARARGS);
EXTERN void Tcl_SetResult _ANSI_ARGS_((Tcl_Interp *interp,
char *string, Tcl_FreeProc *freeProc));
EXTERN char * Tcl_SetVar _ANSI_ARGS_((Tcl_Interp *interp,
char *varName, char *newValue, int flags));
EXTERN char * Tcl_SetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
char *part1, char *part2, char *newValue,
int flags));
EXTERN char * Tcl_SignalId _ANSI_ARGS_((int sig));
EXTERN char * Tcl_SignalMsg _ANSI_ARGS_((int sig));
EXTERN int Tcl_SplitList _ANSI_ARGS_((Tcl_Interp *interp,
char *list, int *argcPtr, char ***argvPtr));
EXTERN int Tcl_StringMatch _ANSI_ARGS_((char *string,
char *pattern));
EXTERN char * Tcl_TildeSubst _ANSI_ARGS_((Tcl_Interp *interp,
char *name));
EXTERN int Tcl_TraceVar _ANSI_ARGS_((Tcl_Interp *interp,
char *varName, int flags, Tcl_VarTraceProc *proc,
ClientData clientData));
EXTERN int Tcl_TraceVar2 _ANSI_ARGS_((Tcl_Interp *interp,
char *part1, char *part2, int flags,
Tcl_VarTraceProc *proc, ClientData clientData));
EXTERN char * Tcl_UnixError _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int Tcl_UnsetVar _ANSI_ARGS_((Tcl_Interp *interp,
char *varName, int flags));
EXTERN int Tcl_UnsetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
char *part1, char *part2, int flags));
EXTERN void Tcl_UntraceVar _ANSI_ARGS_((Tcl_Interp *interp,
char *varName, int flags, Tcl_VarTraceProc *proc,
ClientData clientData));
EXTERN void Tcl_UntraceVar2 _ANSI_ARGS_((Tcl_Interp *interp,
char *part1, char *part2, int flags,
Tcl_VarTraceProc *proc, ClientData clientData));
EXTERN int Tcl_VarEval _ANSI_ARGS_(VARARGS);
EXTERN ClientData Tcl_VarTraceInfo _ANSI_ARGS_((Tcl_Interp *interp,
char *varName, int flags,
Tcl_VarTraceProc *procPtr,
ClientData prevClientData));
EXTERN ClientData Tcl_VarTraceInfo2 _ANSI_ARGS_((Tcl_Interp *interp,
char *part1, char *part2, int flags,
Tcl_VarTraceProc *procPtr,
ClientData prevClientData));
EXTERN int Tcl_WaitPids _ANSI_ARGS_((int numPids, int *pidPtr,
int *statusPtr));
#endif /* _TCL */
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