/*
* nsfInt.h --
*
* Declarations of the internally used API Functions of the Next
* Scripting Framework.
*
* Copyright (C) 1999-2016 Gustaf Neumann (a, b)
* Copyright (C) 1999-2007 Uwe Zdun (a, b)
* Copyright (C) 2011-2016 Stefan Sobernig (b)
*
* (a) University of Essen
* Specification of Software Systems
* Altendorferstrasse 97-101
* D-45143 Essen, Germany
*
* (b) Vienna University of Economics and Business
* Institute of Information Systems and New Media
* A-1020, Welthandelsplatz 1
* Vienna, Austria
*
* This work is licensed under the MIT License
* http://www.opensource.org/licenses/MIT
*
* Copyright:
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#ifndef _nsf_int_h_
#define _nsf_int_h_
#if defined(HAVE_STDINT_H)
# define HAVE_INTPTR_T
# define HAVE_UINTPTR_T
#endif
/*
* MinGW and MinGW-w64 provide both MSCRT-compliant and ANSI-compliant
* implementations of certain I/O operations (e.g., *printf()). By
* setting __USE_MINGW_ANSI_STDIO to 1 explicitly, we can assume the
* ANSI versions.
*
* Note: It is sufficient to test for __MINGW32__ to trap all MinGW
* tool chains, including 64bit versions. See
* http://sourceforge.net/p/predef/wiki/Compilers/#mingw-and-mingw-w64
*/
#if defined(__MINGW32__) && !defined(__USE_MINGW_ANSI_STDIO)
#define __USE_MINGW_ANSI_STDIO 1
#endif
#include <tclInt.h>
#include "nsf.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#if defined(HAVE_TCL_COMPILE_H)
# include <tclCompile.h>
#endif
#if __GNUC_PREREQ(2, 95)
/* Use gcc branch prediction hint to minimize cost of e.g. DTrace
* ENABLED checks.
*/
# define unlikely(x) (__builtin_expect((x), 0))
# define likely(x) (__builtin_expect((x), 1))
#else
# define unlikely(x) (x)
# define likely(x) (x)
#endif
#if __GNUC_PREREQ(2, 96)
# define pure __attribute__((pure))
#else
# define pure
#endif
#if __GNUC_PREREQ(3, 3)
# define nonnull(ARGS) __attribute__((__nonnull__(ARGS)))
#else
# define nonnull(ARGS)
#endif
#define nonnull_assert(assertion) assert((assertion))
#if __GNUC_PREREQ(4, 9)
# define returns_nonnull __attribute__((returns_nonnull))
#else
# define returns_nonnull
#endif
/*
* Tries to use gcc __attribute__ unused and mangles the name, so the
* attribute could not be used, if declared as unused.
*/
#ifdef UNUSED
#elif __GNUC_PREREQ(2, 7)
# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
#elif defined(__LCLINT__)
# define UNUSED(x) /*@unused@*/ (x)
#else
# define UNUSED(x) (x)
#endif
#if defined(NSF_DTRACE)
# include "nsfDTrace.h"
# define NSF_DTRACE_METHOD_ENTRY_ENABLED() unlikely(NSF_METHOD_ENTRY_ENABLED())
# define NSF_DTRACE_METHOD_RETURN_ENABLED() unlikely(NSF_METHOD_RETURN_ENABLED())
# define NSF_DTRACE_OBJECT_ALLOC_ENABLED() unlikely(NSF_OBJECT_ALLOC_ENABLED())
# define NSF_DTRACE_OBJECT_FREE_ENABLED() unlikely(NSF_OBJECT_FREE_ENABLED())
# define NSF_DTRACE_CONFIGURE_PROBE_ENABLED() unlikely(NSF_CONFIGURE_PROBE_ENABLED())
# define NSF_DTRACE_METHOD_ENTRY(a0, a1, a2, a3, a4) NSF_METHOD_ENTRY((a0), (a1), (a2), (a3), (a4))
# define NSF_DTRACE_METHOD_RETURN(a0, a1, a2, a3) NSF_METHOD_RETURN((a0), (a1), (a2), (a3))
# define NSF_DTRACE_OBJECT_ALLOC(a0, a1) NSF_OBJECT_ALLOC((a0), (a1))
# define NSF_DTRACE_OBJECT_FREE(a0, a1) NSF_OBJECT_FREE((a0), (a1))
# define NSF_DTRACE_CONFIGURE_PROBE(a0, a1) NSF_CONFIGURE_PROBE((a0), (a1))
#else
# define NSF_DTRACE_METHOD_ENTRY_ENABLED() 0
# define NSF_DTRACE_METHOD_RETURN_ENABLED() 0
# define NSF_DTRACE_OBJECT_ALLOC_ENABLED() 0
# define NSF_DTRACE_OBJECT_FREE_ENABLED() 0
# define NSF_DTRACE_CONFIGURE_PROBE_ENABLED() 0
# define NSF_DTRACE_METHOD_ENTRY(a0, a1, a2, a3, a4) {}
# define NSF_DTRACE_METHOD_RETURN(a0, a1, a2, a3) {}
# define NSF_DTRACE_OBJECT_ALLOC(a0, a1) {}
# define NSF_DTRACE_OBJECT_FREE(a0, a1) {}
# define NSF_DTRACE_CONFIGURE_PROBE(a0, a1) {}
#endif
#ifdef DMALLOC
# include "dmalloc.h"
#endif
/*
* Makros
*/
#if defined(PRE86)
# define Tcl_NRCallObjProc(interp, proc, cd, objc, objv) \
(*(proc))((cd), (interp), (objc), (objv))
#endif
#ifdef NSF_MEM_COUNT
EXTERN int nsfMemCountInterpCounter;
typedef struct NsfMemCounter {
int peak;
int count;
} NsfMemCounter;
# define MEM_COUNT_ALLOC(id,p) NsfMemCountAlloc((id), (p))
# define MEM_COUNT_FREE(id,p) NsfMemCountFree((id), (p))
# define MEM_COUNT_INIT() NsfMemCountInit()
# define MEM_COUNT_RELEASE() NsfMemCountRelease()
#else
# define MEM_COUNT_ALLOC(id,p)
# define MEM_COUNT_FREE(id,p)
# define MEM_COUNT_INIT()
# define MEM_COUNT_RELEASE()
#endif
# define STRING_NEW(target, p, l) {char *tempValue = ckalloc((unsigned)(l)+1u); strncpy((tempValue), (p), (l)); *((tempValue)+(l)) = '\0'; target = tempValue; MEM_COUNT_ALLOC(#target, (target))}
# define STRING_FREE(key, p) MEM_COUNT_FREE((key), (p)); ckfree((p))
#define DSTRING_INIT(dsPtr) Tcl_DStringInit(dsPtr); MEM_COUNT_ALLOC("DString",(dsPtr))
#define DSTRING_FREE(dsPtr) \
if ((dsPtr)->string != (dsPtr)->staticSpace) {Tcl_DStringFree(dsPtr);} MEM_COUNT_FREE("DString",(dsPtr))
#if defined(USE_ASSOC_DATA)
# define RUNTIME_STATE(interp) ((NsfRuntimeState*)Tcl_GetAssocData((interp), "NsfRuntimeState", NULL))
#else
# define RUNTIME_STATE(interp) ((NsfRuntimeState*)((Interp*)(interp))->globalNsPtr->clientData)
#endif
#define nr_elements(arr) ((int) (sizeof(arr) / sizeof((arr)[0])))
/*
* Tcl 8.6 uses (unsigned) per default
*/
# define NEW(type) \
(type *)ckalloc((unsigned)sizeof(type)); MEM_COUNT_ALLOC(#type, NULL)
# define NEW_ARRAY(type,n) \
(type *)ckalloc((unsigned)sizeof(type)*(unsigned)(n)); MEM_COUNT_ALLOC(#type "*", NULL)
# define FREE(type, var) \
ckfree((char*) (var)); MEM_COUNT_FREE(#type,(var))
#define isAbsolutePath(m) (*(m) == ':' && (m)[1] == ':')
#define isArgsString(m) (\
*(m) == 'a' && (m)[1] == 'r' && (m)[2] == 'g' && (m)[3] == 's' && \
(m)[4] == '\0')
#define isBodyString(m) (\
*(m) == 'b' && (m)[1] == 'o' && (m)[2] == 'd' && (m)[3] == 'y' && \
(m)[4] == '\0')
#define isCheckString(m) (\
*(m) == 'c' && (m)[1] == 'h' && (m)[2] == 'e' && (m)[3] == 'c' && \
(m)[4] == 'k' && (m)[5] == '\0')
#define isCheckObjString(m) (\
*(m) == 'c' && (m)[1] == 'h' && (m)[2] == 'e' && (m)[3] == 'c' && \
(m)[4] == 'k' && (m)[5] == 'o' && (m)[6] == 'b' && (m)[7] == 'j' && \
(m)[8] == '\0')
#define isCreateString(m) (\
*(m) == 'c' && (m)[1] == 'r' && (m)[2] == 'e' && (m)[3] == 'a' && \
(m)[4] == 't' && (m)[5] == 'e' && (m)[6] == '\0')
#define isTypeString(m) (\
*(m) == 't' && (m)[1] == 'y' && (m)[2] == 'p' && (m)[3] == 'e' && \
(m)[4] == '\0')
#define isObjectString(m) (\
*(m) == 'o' && (m)[1] == 'b' && (m)[2] == 'j' && (m)[3] == 'e' && \
(m)[4] == 'c' && (m)[5] == 't' && (m)[6] == '\0')
#define isClassString(m) (\
*(m) == 'c' && (m)[1] == 'l' && (m)[2] == 'a' && (m)[3] == 's' && \
(m)[4] == 's' && (m)[5] == '\0')
#if (defined(sun) || defined(__hpux)) && !defined(__GNUC__)
# define USE_ALLOCA
#endif
#if defined(__IBMC__) && !defined(__GNUC__)
# if __IBMC__ >= 0x0306
# define USE_ALLOCA
# else
# define USE_MALLOC
# endif
#endif
#if defined(VISUAL_CC)
# define USE_MALLOC
#endif
#if defined(__GNUC__) && !defined(USE_ALLOCA) && !defined(USE_MALLOC)
# if !defined(NDEBUG)
# define ALLOC_ON_STACK(type,n,var) \
int __##var##_count = (n); type __##var[(n)+2]; \
type *(var) = __##var + 1; (var)[-1] = var[__##var##_count] = (type)0xdeadbeaf
# define FREE_ON_STACK(type,var) \
assert((var)[-1] == (var)[__##var##_count] && (var)[-1] == (type)0xdeadbeaf)
# else
# define ALLOC_ON_STACK(type,n,var) type (var)[(n)]
# define FREE_ON_STACK(type,var)
# endif
#elif defined(USE_ALLOCA)
# define ALLOC_ON_STACK(type,n,var) type *(var) = (type *)alloca((n)*sizeof(type))
# define FREE_ON_STACK(type,var)
#else
# define ALLOC_ON_STACK(type,n,var) type *(var) = (type *)ckalloc((n)*sizeof(type))
# define FREE_ON_STACK(type,var) ckfree((char*)(var))
#endif
#ifdef USE_ALLOCA
# include <alloca.h>
#endif
#if !defined(NDEBUG)
# define ISOBJ(o) ((o) != NULL && ISOBJ_(o))
# define ISOBJ_(o) ((o) != (void*)0xdeadbeaf && (((o)->typePtr != NULL) ? ((o)->typePtr->name != NULL) : ((o)->bytes != NULL)) && (((o)->bytes != NULL) ? (o)->length >= -1 : 1) && (o)->refCount >= 0)
#else
# define ISOBJ(o)
#endif
#define NSF_ABBREV_MIN_CHARS 4
/*
* This was defined to be inline for anything !sun or __IBMC__ >= 0x0306,
* but __hpux should also be checked - switched to only allow in gcc - JH
*/
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
# define NSF_INLINE inline
#else
# define NSF_INLINE
#endif
#ifdef USE_TCL_STUBS
# define DECR_REF_COUNT(A) \
MEM_COUNT_FREE("INCR_REF_COUNT" #A,(A)); assert((A)->refCount > -1); \
Tcl_DecrRefCount(A)
# define DECR_REF_COUNT2(name,A) \
MEM_COUNT_FREE("INCR_REF_COUNT-" name,(A)); assert((A)->refCount > -1); \
Tcl_DecrRefCount(A)
#else
# define DECR_REF_COUNT(A) \
MEM_COUNT_FREE("INCR_REF_COUNT" #A,(A)); TclDecrRefCount(A)
# define DECR_REF_COUNT2(name,A) \
MEM_COUNT_FREE("INCR_REF_COUNT-" name,(A)); TclDecrRefCount(A)
#endif
#define INCR_REF_COUNT(A) MEM_COUNT_ALLOC("INCR_REF_COUNT" #A,(A)); Tcl_IncrRefCount((A))
#define INCR_REF_COUNT2(name,A) \
/*fprintf(stderr, "c '%s'\n", ObjStr(A));*/ \
MEM_COUNT_ALLOC("INCR_REF_COUNT-" name,(A)); Tcl_IncrRefCount((A))
#define ObjStr(obj) ((obj)->bytes) ? ((obj)->bytes) : Tcl_GetString(obj)
#define ClassName(cl) (((cl) != NULL) ? ObjStr((cl)->object.cmdName) : "NULL")
#define ClassName_(cl) (ObjStr((cl)->object.cmdName))
#define ObjectName(obj) (((obj) != NULL) ? ObjStr((obj)->cmdName) : "NULL")
#define ObjectName_(obj) (ObjStr((obj)->cmdName))
#ifdef OBJDELETION_TRACE
# define PRINTOBJ(ctx,obj) \
fprintf(stderr, " %s %p %s oid=%p teardown=%p destroyCalled=%d\n", \
(ctx),(obj),(obj)->teardown?ObjStr((obj)->cmdName):"(deleted)", \
(obj)->id, (obj)->teardown, \
((obj)->flags & NSF_DESTROY_CALLED))
#else
# define PRINTOBJ(ctx,obj)
#endif
/*
* When an integer is printed, it might take so many digits
*/
#define LONG_AS_STRING 32
/* TCL_CONTINUE is defined as 4, from 5 on we can
use app-specific return codes */
#define NSF_CHECK_FAILED 6
/*
The NsfConfigEnabled() macro allows for querying whether a
configuration macro (NSF_*; see above) is actually defined (and
whether it expands to 1). This macro can be used both in CPP
expressions (e.g., "#if NsfConfigEnabled(...)") and in C expressions
(e.g., "if(NsfConfigEnabled(...))")
*/
#define NsfConfigEnabled__NOOP(...)
#define NsfConfigEnabled__open (
#define NsfConfigEnabled__close )
#define NsfConfigEnabled__caller(macro, args) macro args
#define NsfConfigEnabled__helper_1 NsfConfigEnabled__close NsfConfigEnabled__open 1
#define NsfConfigEnabled__(x) (NsfConfigEnabled__caller(NsfConfigEnabled__NOOP, \
NsfConfigEnabled__open \
NsfConfigEnabled__helper_##x \
NsfConfigEnabled__close) + 0)
#define NsfConfigEnabled_(x) NsfConfigEnabled__(x)
#define NsfConfigEnabled(x) NsfConfigEnabled_(NSF_##x)
/*
*
* Next Scripting Structures
*
*/
/*
* Filter structures
*/
typedef struct NsfFilterStack {
Tcl_Command currentCmdPtr;
Tcl_Obj *calledProc;
struct NsfFilterStack *nextPtr;
} NsfFilterStack;
/*
* Assertion structures
*/
typedef struct NsfTclObjList {
Tcl_Obj *content;
Tcl_Obj *payload;
struct NsfTclObjList *nextPtr;
} NsfTclObjList;
typedef struct NsfProcAssertion {
NsfTclObjList *pre;
NsfTclObjList *post;
} NsfProcAssertion;
typedef struct NsfAssertionStore {
NsfTclObjList *invariants;
Tcl_HashTable procs;
} NsfAssertionStore;
typedef enum { /* powers of 2; add to ALL, if default; */
CHECK_NONE = 0,
CHECK_CLINVAR = 1,
CHECK_OBJINVAR = 2,
CHECK_PRE = 4,
CHECK_POST = 8,
CHECK_INVAR = CHECK_CLINVAR + CHECK_OBJINVAR,
CHECK_ALL = CHECK_INVAR + CHECK_PRE + CHECK_POST
} CheckOptions;
void NsfAssertionRename(Tcl_Interp *interp, Tcl_Command cmd,
NsfAssertionStore *as,
char *oldSimpleCmdName, char *newName);
/*
* mixins
*/
typedef struct NsfMixinStack {
Tcl_Command currentCmdPtr;
struct NsfMixinStack *nextPtr;
} NsfMixinStack;
/*
* Generic command pointer list
*/
typedef struct NsfCmdList {
Tcl_Command cmdPtr;
ClientData clientData;
struct NsfClass *clorobj;
struct NsfCmdList *nextPtr;
} NsfCmdList;
typedef void (NsfFreeCmdListClientData) (NsfCmdList*);
/* for incr string */
typedef struct NsfStringIncrStruct {
char *buffer;
char *start;
size_t bufSize;
size_t length;
} NsfStringIncrStruct;
/*
* cmd flags
*/
#define NSF_CMD_CALL_PROTECTED_METHOD 0x00010000
#define NSF_CMD_CALL_PRIVATE_METHOD 0x00020000
#define NSF_CMD_REDEFINE_PROTECTED_METHOD 0x00040000
/* NSF_CMD_NONLEAF_METHOD is used to flag, if a Method implemented via cmd calls "next" */
#define NSF_CMD_NONLEAF_METHOD 0x00080000
#define NSF_CMD_CLASS_ONLY_METHOD 0x00100000
#define NSF_CMD_DEPRECATED_METHOD 0x00200000
#define NSF_CMD_DEBUG_METHOD 0x00400000
/*
* traceEvalFlags controlling NsfDStringEval
*/
#define NSF_EVAL_SAVE 0x01u /* save interp context */
#define NSF_EVAL_NOPROFILE 0x02u /* no profile below this call */
#define NSF_EVAL_DEBUG 0x04u /* call is a debug call, prevent recursion */
#define NSF_EVAL_LOG 0x08u /* call is a log call, prevent recursion */
#define NSF_EVAL_DEPRECATED 0x10u /* call is a deprecated call, prevent recursion */
#define NSF_EVAL_PREVENT_RECURSION (NSF_EVAL_DEBUG|NSF_EVAL_LOG|NSF_EVAL_DEPRECATED)
/*
* object flags ...
*/
/* DESTROY_CALLED indicates that destroy was called on obj */
#define NSF_DESTROY_CALLED 0x0001u
/* INIT_CALLED indicates that init was called on obj */
#define NSF_INIT_CALLED 0x0002u
/* MIXIN_ORDER_VALID set when mixin order is valid */
#define NSF_MIXIN_ORDER_VALID 0x0004u
/* MIXIN_ORDER_DEFINED set, when mixins are defined for obj */
#define NSF_MIXIN_ORDER_DEFINED 0x0008u
#define NSF_MIXIN_ORDER_DEFINED_AND_VALID 0x000cu
/* FILTER_ORDER_VALID set, when filter order is valid */
#define NSF_FILTER_ORDER_VALID 0x0010u
/* FILTER_ORDER_DEFINED set, when filters are defined for obj */
#define NSF_FILTER_ORDER_DEFINED 0x0020u
#define NSF_FILTER_ORDER_DEFINED_AND_VALID 0x0030u
/* class and object properties for objects */
#define NSF_IS_CLASS 0x0040u
#define NSF_IS_ROOT_META_CLASS 0x0080u
#define NSF_IS_ROOT_CLASS 0x0100u
#define NSF_IS_SLOT_CONTAINER 0x0200u
#define NSF_KEEP_CALLER_SELF 0x0400u
#define NSF_PER_OBJECT_DISPATCH 0x0800u
#define NSF_HAS_PER_OBJECT_SLOTS 0x1000u
/* deletion states */
#define NSF_DESTROY_CALLED_SUCCESS 0x010000u /* requires flags to be int, not short */
#define NSF_DURING_DELETE 0x020000u
#define NSF_DELETED 0x040000u
#define NSF_RECREATE 0x080000u
#define NSF_TCL_DELETE 0x100000u
/* method invocations */
#define NSF_ARG_METHOD_INVOCATION (NSF_ARG_ALIAS|NSF_ARG_FORWARD|NSF_ARG_INITCMD|NSF_ARG_CMD)
#define NSF_ARG_METHOD_CALL (NSF_ARG_ALIAS|NSF_ARG_FORWARD)
/* Disallowed parameter options */
#define NSF_DISALLOWED_ARG_METHOD_PARAMETER (NSF_ARG_METHOD_INVOCATION|NSF_ARG_NOCONFIG|NSF_ARG_SLOTSET|NSF_ARG_SLOTINITIALIZE)
#define NSF_DISALLOWED_ARG_SETTER (NSF_ARG_SWITCH|NSF_ARG_SUBST_DEFAULT|NSF_DISALLOWED_ARG_METHOD_PARAMETER)
/*#define NSF_DISALLOWED_ARG_OBJECT_PARAMETER (NSF_ARG_SWITCH)*/
#define NSF_DISALLOWED_ARG_OBJECT_PARAMETER 0
#define NSF_DISALLOWED_ARG_VALUECHECK (NSF_ARG_SUBST_DEFAULT|NSF_ARG_METHOD_INVOCATION|NSF_ARG_SWITCH|NSF_ARG_CURRENTLY_UNKNOWN|NSF_ARG_SLOTSET|NSF_ARG_SLOTINITIALIZE)
/* flags for ParseContext */
#define NSF_PC_MUST_DECR 0x0001u
#define NSF_PC_IS_DEFAULT 0x0002u
#define NSF_PC_INVERT_DEFAULT 0x0010u
#define NSF_PC_STATUS_MUST_DECR 0x0001u
#define NSF_PC_STATUS_FREE_OBJV 0x0002u
#define NSF_PC_STATUS_FREE_CD 0x0004u
/* method types */
#define NSF_METHODTYPE_ALIAS 0x0001
#define NSF_METHODTYPE_SCRIPTED 0x0002
#define NSF_METHODTYPE_SETTER 0x0004
#define NSF_METHODTYPE_FORWARDER 0x0008
#define NSF_METHODTYPE_OBJECT 0x0010
#define NSF_METHODTYPE_NSFPROC 0x0020
#define NSF_METHODTYPE_OTHER 0x0100
#define NSF_METHODTYPE_BUILTIN NSF_METHODTYPE_ALIAS|NSF_METHODTYPE_SETTER|NSF_METHODTYPE_FORWARDER|NSF_METHODTYPE_OTHER
#define NSF_METHODTYPE_ALL NSF_METHODTYPE_SCRIPTED|NSF_METHODTYPE_BUILTIN|NSF_METHODTYPE_OBJECT
#define NsfObjectSetClass(obj) \
(obj)->flags |= NSF_IS_CLASS
#define NsfObjectClearClass(obj) \
(obj)->flags &= ~NSF_IS_CLASS
#define NsfObjectIsClass(obj) \
((obj)->flags & NSF_IS_CLASS)
#define NsfObjectToClass(obj) \
(NsfClass *)((((NsfObject *)obj)->flags & NSF_IS_CLASS) ? obj : NULL)
/*
* object and class internals
*/
typedef struct NsfParamDefs {
Nsf_Param *paramsPtr;
int nrParams;
int refCount;
Tcl_Obj *returns;
int serial;
} NsfParamDefs;
typedef struct NsfParsedParam {
NsfParamDefs *paramDefs;
int possibleUnknowns;
} NsfParsedParam;
typedef struct NsfObjectOpt {
NsfAssertionStore *assertions;
NsfCmdList *objFilters;
NsfCmdList *objMixins;
ClientData clientData;
const char *volatileVarName;
#if defined(PER_OBJECT_PARAMETER_CACHING)
NsfParsedParam *parsedParamPtr;
int classParamPtrEpoch;
#endif
CheckOptions checkoptions;
} NsfObjectOpt;
typedef struct NsfObject {
Tcl_Obj *cmdName;
Tcl_Command id;
Tcl_Interp *teardown;
struct NsfClass *cl;
TclVarHashTable *varTablePtr;
Tcl_Namespace *nsPtr;
NsfObjectOpt *opt;
struct NsfCmdList *filterOrder;
struct NsfCmdList *mixinOrder;
NsfFilterStack *filterStack;
NsfMixinStack *mixinStack;
int refCount;
unsigned int flags;
short activationCount;
} NsfObject;
typedef struct NsfClassOpt {
NsfCmdList *classFilters;
NsfCmdList *classMixins;
NsfCmdList *isObjectMixinOf;
NsfCmdList *isClassMixinOf;
NsfAssertionStore *assertions;
Tcl_Obj *mixinRegObjs;
#ifdef NSF_OBJECTDATA
Tcl_HashTable *objectdata;
#endif
Tcl_Command id;
ClientData clientData;
} NsfClassOpt;
typedef struct NsfClass {
struct NsfObject object;
struct NsfClasses *super;
struct NsfClasses *sub;
struct NsfObjectSystem *osPtr;
struct NsfClasses *order;
Tcl_HashTable instances;
Tcl_Namespace *nsPtr;
NsfParsedParam *parsedParamPtr;
NsfClassOpt *opt;
short color;
} NsfClass;
typedef struct NsfClasses {
struct NsfClass *cl;
ClientData clientData;
struct NsfClasses *nextPtr;
} NsfClasses;
/*
* needed in nsf.c and in nsfShadow
*/
#define NSF_PROC_FLAG_AD 0x01u
#define NSF_PROC_FLAG_CHECK_ALWAYS 0x02u
typedef struct NsfProcClientData {
Tcl_Obj *procName;
Tcl_Command cmd;
Tcl_Command wrapperCmd;
NsfParamDefs *paramDefs;
Tcl_Namespace *origNsPtr;
unsigned int flags;
} NsfProcClientData;
typedef enum SystemMethodsIdx {
NSF_c_alloc_idx,
NSF_c_create_idx,
NSF_c_dealloc_idx,
NSF_c_configureparameter_idx,
NSF_c_recreate_idx,
NSF_o_cleanup_idx,
NSF_o_configure_idx,
NSF_o_configureparameter_idx,
NSF_o_defaultmethod_idx,
NSF_o_destroy_idx,
NSF_o_init_idx,
NSF_o_move_idx,
NSF_o_unknown_idx,
NSF_s_get_idx,
NSF_s_set_idx
} SystemMethodsIdx;
#if !defined(NSF_C)
EXTERN CONST char *Nsf_SystemMethodOpts[];
#else
CONST char *Nsf_SystemMethodOpts[] = {
"-class.alloc",
"-class.create",
"-class.dealloc",
"-class.configureparameter",
"-class.recreate",
"-object.cleanup",
"-object.configure",
"-object.configureparameter",
"-object.defaultmethod",
"-object.destroy",
"-object.init",
"-object.move",
"-object.unknown",
"-slot.get",
"-slot.set",
NULL
};
#endif
typedef struct NsfObjectSystem {
NsfClass *rootClass;
NsfClass *rootMetaClass;
unsigned int overloadedMethods;
unsigned int definedMethods;
Tcl_Obj *methods[NSF_s_set_idx+2];
Tcl_Obj *handles[NSF_s_set_idx+2];
struct NsfObjectSystem *nextPtr;
char protected[NSF_s_set_idx+2];
} NsfObjectSystem;
/*
* Next Scripting global names and strings
*
* We provide enums for efficient lookup for corresponding string
* names and Tcl_Objs via global arrays. The "constant" Tcl_Objs are
* built at start-up-time via Nsf_Init().
*/
typedef enum {
NSF_EMPTY, NSF_ZERO, NSF_ONE,
/* methods called internally */
NSF_CONFIGURE, NSF_INITIALIZE, NSF_GET_PARAMETER_SPEC,
NSF_SLOT_GET, NSF_SLOT_SET,
/* var names */
NSF_AUTONAMES, NSF_DEFAULTMETACLASS, NSF_DEFAULTSUPERCLASS,
NSF_ARRAY_INITCMD, NSF_ARRAY_CMD,
NSF_ARRAY_ALIAS, NSF_ARRAY_PARAMETERSYNTAX,
NSF_POSITION, NSF_POSITIONAL, NSF_CONFIGURABLE, NSF_PARAMETERSPEC,
/* object/class names */
NSF_METHOD_PARAMETER_SLOT_OBJ,
/* constants */
NSF_ALIAS, NSF_ARGS, NSF_CMD, NSF_FILTER, NSF_FORWARD,
NSF_METHOD, NSF_OBJECT, NSF_SETTER, NSF_SETTERNAME, NSF_VALUECHECK,
NSF_GUARD_OPTION, NSF___UNKNOWN__, NSF_ARRAY, NSF_GET, NSF_SET, NSF_OPTION_STRICT,
NSF_OBJECT_UNKNOWN_HANDLER, NSF_ARGUMENT_UNKNOWN_HANDLER,
NSF_PARSE_ARGS,
/* Partly redefined Tcl commands; leave them together at the end */
NSF_EXPR, NSF_FORMAT, NSF_INFO_BODY, NSF_INFO_FRAME, NSF_INTERP,
NSF_STRING_IS, NSF_EVAL,
NSF_RENAME
} NsfGlobalNames;
#if !defined(NSF_C)
EXTERN const char *NsfGlobalStrings[];
#else
const char *NsfGlobalStrings[] = {
"", "0", "1",
/* methods called internally */
"configure", "initialize", "getParameterSpec",
"value=get", "value=set",
/* var names */
"__autonames", "__default_metaclass", "__default_superclass", "__initcmd", "__cmd",
"::nsf::alias", "::nsf::parameter::syntax",
"position", "positional", "configurable", "parameterSpec",
/* object/class names */
"::nx::methodParameterSlot",
/* constants */
"alias", "args", "cmd", "filter", "forward",
"method", "object", "setter", "settername", "valuecheck",
"-guard", "__unknown__", "::array", "get", "set", "-strict",
/* nsf tcl commands */
"::nsf::object::unknown",
"::nsf::argument::unknown",
"::nsf::parseargs",
/* tcl commands */
"expr", "format", "::tcl::info::body", "::tcl::info::frame", "interp",
"::tcl::string::is", "::eval",
"rename"
};
#endif
#define NsfGlobalObjs RUNTIME_STATE(interp)->methodObjNames
/* obj types */
EXTERN Tcl_ObjType NsfMixinregObjType;
EXTERN int NsfMixinregGet(Tcl_Interp *interp, Tcl_Obj *obj, NsfClass **clPtr, Tcl_Obj **guardObj)
nonnull(1) nonnull(2) nonnull(3) nonnull(4);
EXTERN int NsfMixinregInvalidate(Tcl_Interp *interp, Tcl_Obj *obj)
nonnull(1) nonnull(2);
EXTERN Tcl_ObjType NsfFilterregObjType;
EXTERN int NsfFilterregGet(Tcl_Interp *interp, Tcl_Obj *obj, Tcl_Obj **filterObj, Tcl_Obj **guardObj)
nonnull(1) nonnull(2) nonnull(3) nonnull(4);
EXTERN NsfClassOpt *NsfRequireClassOpt(/*@notnull@*/ NsfClass *cl) nonnull(1) returns_nonnull;
/* Next Scripting ShadowTclCommands */
typedef struct NsfShadowTclCommandInfo {
TclObjCmdProcType proc;
ClientData clientData;
int nrArgs;
} NsfShadowTclCommandInfo;
typedef enum {SHADOW_LOAD=1, SHADOW_UNLOAD=0, SHADOW_REFETCH=2} NsfShadowOperations;
typedef enum {NSF_PARAMS_NAMES, NSF_PARAMS_LIST,
NSF_PARAMS_PARAMETER, NSF_PARAMS_SYNTAX} NsfParamsPrintStyle;
int NsfCallCommand(Tcl_Interp *interp, NsfGlobalNames name,
int objc, Tcl_Obj *CONST objv[])
nonnull(1) nonnull(4);
int NsfShadowTclCommands(Tcl_Interp *interp, NsfShadowOperations load)
nonnull(1);
Tcl_Obj *NsfMethodObj(NsfObject *object, int methodIdx)
nonnull(1);
int NsfReplaceCommandCleanup(Tcl_Interp *interp, Tcl_Obj *nameObj, NsfShadowTclCommandInfo *ti)
nonnull(1) nonnull(2) nonnull(3);
int NsfReplaceCommand(Tcl_Interp *interp, Tcl_Obj *nameObj,
Tcl_ObjCmdProc *nsfReplacementProc,
ClientData cd,
NsfShadowTclCommandInfo *ti)
nonnull(1) nonnull(2) nonnull(5);
/*
* Next Scripting CallStack
*/
typedef struct NsfCallStackContent {
NsfObject *self;
NsfClass *cl;
Tcl_Command cmdPtr;
NsfFilterStack *filterStackEntry;
Tcl_Obj *CONST* objv;
int objc;
unsigned int flags;
#if defined(NSF_PROFILE) || defined(NSF_DTRACE)
long int startUsec;
long int startSec;
CONST char *methodName;
#endif
unsigned short frameType;
} NsfCallStackContent;
#define NSF_CSC_TYPE_PLAIN 0u
#define NSF_CSC_TYPE_ACTIVE_MIXIN 1u
#define NSF_CSC_TYPE_ACTIVE_FILTER 2u
#define NSF_CSC_TYPE_INACTIVE 4u
#define NSF_CSC_TYPE_INACTIVE_MIXIN 5u
#define NSF_CSC_TYPE_INACTIVE_FILTER 6u
#define NSF_CSC_TYPE_GUARD 0x10u
#define NSF_CSC_TYPE_ENSEMBLE 0x20u
#define NSF_CSC_CALL_IS_NEXT 1u
#define NSF_CSC_CALL_IS_GUARD 2u
#define NSF_CSC_CALL_IS_ENSEMBLE 4u
#define NSF_CSC_CALL_IS_COMPILE 8u
#define NSF_CSC_IMMEDIATE 0x000000100u
#define NSF_CSC_FORCE_FRAME 0x000000200u
#define NSF_CSC_CALL_NO_UNKNOWN 0x000000400u
#define NSF_CSC_CALL_IS_NRE 0x000002000u
#define NSF_CSC_MIXIN_STACK_PUSHED 0x000004000u
#define NSF_CSC_FILTER_STACK_PUSHED 0x000008000u
#define NSF_CSC_METHOD_IS_UNKNOWN 0x000010000u
/* flags for call method */
#define NSF_CM_NO_UNKNOWN 0x000000001u
#define NSF_CM_NO_SHIFT 0x000000002u
#define NSF_CM_IGNORE_PERMISSIONS 0x000000004u
#define NSF_CM_NO_OBJECT_METHOD 0x000000008u
#define NSF_CM_SYSTEM_METHOD 0x000000010u
#define NSF_CM_LOCAL_METHOD 0x000000020u
#define NSF_CM_INTRINSIC_METHOD 0x000000040u
#define NSF_CM_KEEP_CALLER_SELF 0x000000080u
#define NSF_CM_ENSEMBLE_UNKNOWN 0x008000000u
#define NSF_CSC_COPY_FLAGS (NSF_CSC_MIXIN_STACK_PUSHED|NSF_CSC_FILTER_STACK_PUSHED|NSF_CSC_IMMEDIATE|NSF_CSC_FORCE_FRAME|NSF_CM_LOCAL_METHOD)
#define NSF_VAR_TRIGGER_TRACE 1
#define NSF_VAR_REQUIRE_DEFINED 2
#define NSF_VAR_ISARRAY 4
/*
* Tcl uses 01 and 02, TclOO uses 04 and 08, so leave some space free
* for further extensions of tcl and tcloo...
*/
#define FRAME_IS_NSF_OBJECT 0x10000U
#define FRAME_IS_NSF_METHOD 0x20000U
#define FRAME_IS_NSF_CMETHOD 0x40000U
#if defined(NRE)
# define NRE_SANE_PATCH 1
# define NsfImmediateFromCallerFlags(flags) \
(((flags) & (NSF_CSC_CALL_IS_NRE|NSF_CSC_IMMEDIATE)) == NSF_CSC_CALL_IS_NRE ? 0 : NSF_CSC_IMMEDIATE)
# if defined(NRE_SANE_PATCH)
# define NsfNRRunCallbacks(interp, result, rootPtr) TclNRRunCallbacks(interp, result, rootPtr)
# if !defined(TclStackFree)
# define TclStackFree(interp, ptr) ckfree(ptr)
# define TclStackAlloc(interp, size) ckalloc(size)
# endif
# else
# define NsfNRRunCallbacks(interp, result, rootPtr) TclNRRunCallbacks(interp, result, rootPtr, 0)
# define TEOV_callback NRE_callback
# endif
#endif
#if defined(NSF_PROFILE)
typedef struct NsfProfile {
long int overallTime;
long int startSec;
long int startUSec;
Tcl_HashTable objectData;
Tcl_HashTable methodData;
Tcl_HashTable procData;
Tcl_DString traceDs;
int depth;
int verbose;
Tcl_Obj *shadowedObjs;
NsfShadowTclCommandInfo *shadowedTi;
int inmemory;
} NsfProfile;
# define NSF_PROFILE_TIME_DATA struct Tcl_Time profile_trt
# define NSF_PROFILE_CALL(interp, object, methodName) \
Tcl_GetTime(&profile_trt); \
NsfProfileTraceCall(interp, object, NULL, methodName)
# define NSF_PROFILE_EXIT(interp, object, methodName) \
NsfProfileTraceExit(interp, object, NULL, methodName, &profile_trt)
#else
# define NSF_PROFILE_TIME_DATA
# define NSF_PROFILE_CALL(interp, object, methodName)
# define NSF_PROFILE_EXIT(interp, object, methodName)
#endif
typedef struct NsfRuntimeState {
/*
* The defined object systems
*/
struct NsfObjectSystem *objectSystems;
/*
* namespaces and cmds
*/
Tcl_Namespace *NsfNS; /* the ::nsf namespace */
Tcl_Namespace *NsfClassesNS; /* the ::nsf::classes namespace, where classes are created physically */
Tcl_ObjCmdProc *objInterpProc; /* cached result of TclGetObjInterpProc() */
Tcl_Command colonCmd; /* cmdPtr of cmd ":" to dispatch via cmdResolver */
Proc fakeProc; /* dummy proc strucure, used for C-implemented methods with local scope */
Tcl_Command currentMixinCmdPtr; /* cmdPtr of currently active mixin, used for "info activemixin" */
int objectMethodEpoch;
int instanceMethodEpoch;
#if defined(PER_OBJECT_PARAMETER_CACHING)
int classParamPtrEpoch;
#endif
unsigned int overloadedMethods; /* bitarray for tracking overloaded methods */
Tcl_Obj **methodObjNames; /* global objects of nsf */
struct NsfShadowTclCommandInfo *tclCommands; /* shadowed Tcl commands */
#if defined(CHECK_ACTIVATION_COUNTS)
NsfClasses *cscList;
#endif
int errorCount; /* keep track of number of errors to avoid potential error loops */
int unknown; /* keep track whether an unknown method is currently called */
/*
* Configure options. The following do*-flags could be moved into a
* bitarray, but we have only one state per interp, so the win on
* memory is very little.
*/
int logSeverity;
int debugCallingDepth;
unsigned int doCheckArguments;
unsigned int doCheckResults;
int doFilters;
int doKeepcmds;
int doProfile;
int doTrace;
unsigned int preventRecursionFlags;
int doClassConverterOmitUnkown;
int doSoftrecreate;
int exitHandlerDestroyRound; /* shutdown handling */
Tcl_HashTable activeFilterTablePtr; /* keep track of defined filters */
#if defined(NSF_PROFILE)
NsfProfile profile;
#endif
#if defined(NSF_STACKCHECK)
void *bottomOfStack;
void *maxStack;
#endif
ClientData clientData;
NsfStringIncrStruct iss; /* used for new to create new symbols */
short guardCount; /* keep track of guard invocations */
} NsfRuntimeState;
#define NSF_EXITHANDLER_OFF 0
#define NSF_EXITHANDLER_ON_SOFT_DESTROY 1
#define NSF_EXITHANDLER_ON_PHYSICAL_DESTROY 2
#ifdef NSF_OBJECTDATA
EXTERN void
NsfSetObjectData(struct NsfObject *obj, struct NsfClass *cl, ClientData data)
nonnull(1) nonnull(2) nonnull(3);
EXTERN int
NsfGetObjectData(struct NsfObject *obj, struct NsfClass *cl, ClientData *data)
nonnull(1) nonnull(2) nonnull(3);
EXTERN int
NsfUnsetObjectData(struct NsfObject *obj, struct NsfClass *cl)
nonnull(1) nonnull(2);
EXTERN void
NsfFreeObjectData(NsfClass *cl)
nonnull(1);
#endif
/*
* Prototypes for method definitions
*/
EXTERN Tcl_ObjCmdProc NsfObjDispatch;
/*
* NsfObject Reference Accounting
*/
EXTERN void NsfCleanupObject_(NsfObject *object) nonnull(1);
#if defined(NSFOBJ_TRACE)
# define NsfObjectRefCountIncr(obj) \
((NsfObject *)obj)->refCount++; \
fprintf(stderr, "RefCountIncr %p count=%d %s\n", obj, ((NsfObject *)obj)->refCount, \
((NsfObject *)obj)->cmdName?ObjStr(((NsfObject *)obj)->cmdName):"no name"); \
MEM_COUNT_ALLOC("NsfObject.refCount", obj)
# define NsfObjectRefCountDecr(obj) \
(obj)->refCount--; \
fprintf(stderr, "RefCountDecr %p count=%d\n", obj, obj->refCount); \
MEM_COUNT_FREE("NsfObject.refCount", obj)
#else
# define NsfObjectRefCountIncr(obj) \
(obj)->refCount++; \
MEM_COUNT_ALLOC("NsfObject.refCount", obj)
# define NsfObjectRefCountDecr(obj) \
(obj)->refCount--; \
MEM_COUNT_FREE("NsfObject.refCount", obj)
#endif
/*
*
* Internally used API functions
*
*/
#if defined(NRE)
# include "stubs8.6/nsfIntDecls.h"
#else
# include "stubs8.5/nsfIntDecls.h"
#endif
/*
* Profiling functions
*/
EXTERN void NsfDeprecatedCmd(Tcl_Interp *interp, const char *what, const char *oldCmd, const char *newCmd)
nonnull(1) nonnull(2) nonnull(3) nonnull(4);
EXTERN void NsfProfileDeprecatedCall(Tcl_Interp *interp, NsfObject *object, NsfClass *cl,
const char *methodName, const char *altMethod)
nonnull(1) nonnull(2) nonnull(4) nonnull(5);
EXTERN void NsfProfileDebugCall(Tcl_Interp *interp, NsfObject *object, NsfClass *cl, const char *methodName,
int objc, Tcl_Obj **objv)
nonnull(1) nonnull(4);
EXTERN void NsfProfileDebugExit(Tcl_Interp *interp, NsfObject *object, NsfClass *cl, const char *methodName,
long startSec, long startUsec)
nonnull(1) nonnull(4);
#if defined(NSF_PROFILE)
EXTERN void NsfProfileRecordMethodData(Tcl_Interp* interp, NsfCallStackContent *cscPtr)
nonnull(1) nonnull(2);
EXTERN void NsfProfileRecordProcData(Tcl_Interp *interp, const char *methodName, long startSec, long startUsec)
nonnull(1) nonnull(2);
EXTERN void NsfProfileInit(Tcl_Interp *interp) nonnull(1);
EXTERN void NsfProfileFree(Tcl_Interp *interp) nonnull(1);
EXTERN void NsfProfileClearData(Tcl_Interp *interp) nonnull(1);
EXTERN void NsfProfileGetData(Tcl_Interp *interp) nonnull(1);
EXTERN int NsfProfileTrace(Tcl_Interp *interp, int withEnable, int withVerbose, int withInmemory, Tcl_Obj *builtins);
EXTERN void NsfProfileTraceCall(Tcl_Interp *interp, NsfObject *object, NsfClass *cl, const char *methodName)
nonnull(1) nonnull(2) nonnull(4);
EXTERN void NsfProfileTraceExit(Tcl_Interp *interp, NsfObject *object, NsfClass *cl, const char *methodName, struct Tcl_Time *trt)
nonnull(1) nonnull(2) nonnull(4) nonnull(5);
EXTERN void NsfProfileTraceCallAppend(Tcl_Interp *interp, const char *label)
nonnull(1) nonnull(2);
EXTERN void NsfProfileTraceExitAppend(Tcl_Interp *interp, const char *label, double duration)
nonnull(1) nonnull(2);
EXTERN NsfCallStackContent *NsfCallStackGetTopFrame(const Tcl_Interp *interp, Tcl_CallFrame **framePtrPtr)
nonnull(1);
#endif
/*
* MEM Counting
*/
#ifdef NSF_MEM_COUNT
void NsfMemCountAlloc(char *id, void *);
void NsfMemCountFree(char *id, void *);
void NsfMemCountInit(void);
void NsfMemCountRelease(void);
#endif /* NSF_MEM_COUNT */
/*
* TCL_STACK_ALLOC_TRACE
*/
#if defined(TCL_STACK_ALLOC_TRACE)
# define NsfTclStackFree(interp,ptr,msg) \
fprintf(stderr, "---- TclStackFree %p %s\n", ptr, msg);\
TclStackFree(interp,ptr)
static char *
NsfTclStackAlloc(Tcl_Interp *interp, size_t size, char *msg) {
char *ptr = TclStackAlloc(interp, size);
fprintf(stderr, "---- TclStackAlloc %p %s\n", ptr, msg);
return ptr;
}
#else
# define NsfTclStackFree(interp,ptr,msg) TclStackFree(interp,ptr)
# define NsfTclStackAlloc(interp,size,msg) TclStackAlloc(interp,size)
#endif
/*
* bytecode support
*/
#ifdef NSF_BYTECODE
typedef struct NsfCompEnv {
int bytecode;
Command *cmdPtr;
CompileProc *compileProc;
Tcl_ObjCmdProc *callProc;
} NsfCompEnv;
typedef enum {INST_INITPROC, INST_NEXT, INST_SELF, INST_SELF_DISPATCH,
LAST_INSTRUCTION} NsfByteCodeInstructions;
Tcl_ObjCmdProc NsfInitProcNSCmd, NsfSelfDispatchCmd,
NsfNextObjCmd, NsfGetSelfObjCmd;
EXTERN NsfCompEnv *NsfGetCompEnv(void);
int NsfDirectSelfDispatch(ClientData cd, Tcl_Interp *interp,
int objc, Tcl_Obj *CONST objv[])
nonnull(1) nonnull(2);
#endif
EXTERN int NsfGetClassFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
NsfClass **clPtr, int withUnknown)
nonnull(1) nonnull(2) nonnull(3);
EXTERN int NsfObjWrongArgs(Tcl_Interp *interp, CONST char *msg,
Tcl_Obj *cmdName, Tcl_Obj *methodName,
const char *arglist)
nonnull(1) nonnull(2);
EXTERN CONST char *NsfMethodName(Tcl_Obj *methodObj)
nonnull(1) returns_nonnull;
EXTERN void NsfReportVars(Tcl_Interp *interp)
nonnull(1);
EXTERN void NsfDStringArgv(Tcl_DString *dsPtr, int objc, Tcl_Obj *CONST objv[])
nonnull(1) nonnull(3);
EXTERN Tcl_Obj *NsfMethodNamePath(Tcl_Interp *interp,
Tcl_CallFrame *framePtr,
const char *methodName)
nonnull(1) nonnull(3) returns_nonnull;
EXTERN int NsfDStringEval(Tcl_Interp *interp, Tcl_DString *dsPtr, const char *context,
unsigned int traceEvalFlags)
nonnull(1) nonnull(2) nonnull(3);
/*
* Definition of methodEpoch macros
*/
#if defined(METHOD_OBJECT_TRACE)
# define NsfInstanceMethodEpochIncr(msg) \
RUNTIME_STATE(interp)->instanceMethodEpoch++; \
fprintf(stderr, "+++ instanceMethodEpoch %d %s\n", RUNTIME_STATE(interp)->instanceMethodEpoch, msg)
# define NsfObjectMethodEpochIncr(msg) \
RUNTIME_STATE(interp)->objectMethodEpoch++; \
fprintf(stderr, "+++ objectMethodEpoch %d %s\n", RUNTIME_STATE(interp)->objectMethodEpoch, msg)
#else
# define NsfInstanceMethodEpochIncr(msg) RUNTIME_STATE(interp)->instanceMethodEpoch++
# define NsfObjectMethodEpochIncr(msg) RUNTIME_STATE(interp)->objectMethodEpoch++
#endif
#if defined(PER_OBJECT_PARAMETER_CACHING)
# define NsfClassParamPtrEpochIncr(msg) RUNTIME_STATE(interp)->classParamPtrEpoch++
#else
# define NsfClassParamPtrEpochIncr(msg)
#endif
/*
* NsfFlag type
*/
EXTERN Tcl_ObjType NsfFlagObjType;
EXTERN int NsfFlagObjSet(Tcl_Interp *UNUSED(interp),
Tcl_Obj *objPtr,
Nsf_Param const *baseParamPtr,
int serial,
Nsf_Param const *paramPtr,
Tcl_Obj *payload,
unsigned int flags);
typedef struct {
CONST Nsf_Param *signature;
Nsf_Param CONST *paramPtr;
Tcl_Obj *payload;
int serial;
unsigned int flags;
} NsfFlag;
#define NSF_FLAG_DASHDAH 0x01
#define NSF_FLAG_CONTAINS_VALUE 0x02
/*
* NsfMethodContext type
*/
EXTERN Tcl_ObjType NsfInstanceMethodObjType;
EXTERN Tcl_ObjType NsfObjectMethodObjType;
EXTERN int NsfMethodObjSet(Tcl_Interp *UNUSED(interp),
Tcl_Obj *objPtr,
Tcl_ObjType *objectType,
void *context,
int methodEpoch,
Tcl_Command cmd,
NsfClass *cl,
unsigned int flags)
nonnull(1) nonnull(2) nonnull(3) nonnull(4) nonnull(6);
typedef struct {
void *context;
Tcl_Command cmd;
NsfClass *cl;
int methodEpoch;
unsigned int flags;
} NsfMethodContext;
/* functions from nsfUtil.c */
char *Nsf_ltoa(char *buf, long i, int *lengthPtr)
nonnull(1) nonnull(3);
char *NsfStringIncr(NsfStringIncrStruct *iss)
nonnull(1);
void NsfStringIncrInit(NsfStringIncrStruct *iss)
nonnull(1);
void NsfStringIncrFree(NsfStringIncrStruct *iss)
nonnull(1);
/*
* Interface for NSF's custom hash tables supporting function
* pointers as keys.
*
*/
typedef void (Nsf_AnyFun)(void);
EXTERN void Nsf_InitFunPtrHashTable(Tcl_HashTable *tablePtr)
nonnull(1);
EXTERN Tcl_HashEntry *Nsf_CreateFunPtrHashEntry(Tcl_HashTable *tablePtr, Nsf_AnyFun *key, int *isNew)
nonnull(1) nonnull(2);
EXTERN Tcl_HashEntry *Nsf_FindFunPtrHashEntry(Tcl_HashTable *tablePtr, Nsf_AnyFun *key)
nonnull(1) nonnull(2);
/*
* NSF enumeration-type interface
*/
EXTERN void Nsf_EnumerationTypeInit(Tcl_Interp *interp)
nonnull(1);
EXTERN void Nsf_EnumerationTypeRelease(Tcl_Interp *interp)
nonnull(1);
EXTERN const char *Nsf_EnumerationTypeGetDomain(Nsf_TypeConverter *converter)
nonnull(1);
/*
* NSF command definitions interface
*/
EXTERN void Nsf_CmdDefinitionInit(Tcl_Interp *interp)
nonnull(1);
EXTERN void Nsf_CmdDefinitionRelease(Tcl_Interp *interp)
nonnull(1);
EXTERN Nsf_methodDefinition *Nsf_CmdDefinitionGet(Tcl_ObjCmdProc *proc)
nonnull(1);
#ifndef HAVE_STRNSTR
char *strnstr(const char *buffer, const char *needle, size_t buffer_len);
#endif
/*
In ANSI mode (ISO C89/90) compilers such as gcc and clang do not
define the va_copy macro. However, they *do* in reasonably recent
versions provide a prefixed (__*) one. The by-feature test below
falls back to the prefixed version, if available, and provides a
more general fallback to a simple assignment; this is primarily for
MSVC; admittedly, this simplifcation is not generally portable to
platform/compiler combos other then x86, but the best I can think of right
now. One might constrain the assignment-fallback to a platform and
leave va_copy undefined in uncaught platform cases (?).
*/
#ifndef va_copy
#ifdef __va_copy
#define va_copy(dest,src) __va_copy((dest),(src))
#else
#define va_copy(dest,src) ((dest) = (src))
#endif
#endif
/* In Tcl 8.6 (tclInt.h), vsnprintf is mapped to _vsnprintf. In Tcl
8.5, this is missing from tclInt.h. So ... */
#if defined(PRE86) && defined(_MSC_VER)
#define vsnprintf _vsnprintf
#endif
#endif /* _nsf_int_h_ */