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/*
* itclInt.h --
*
* This file contains internal definitions for the C-implemented part of a
* Itcl
*
* Copyright (c) 2007 by Arnulf P. Wiedemann
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
/*
* Used to tag functions that are only to be visible within the module being
* built and not outside it (where this is supported by the linker).
*/
#ifndef MODULE_SCOPE
# ifdef __cplusplus
# define MODULE_SCOPE extern "C"
# else
# define MODULE_SCOPE extern
# endif
#endif
#include <string.h>
#include <ctype.h>
#include <tclOO.h>
#include "itcl.h"
#include "itclMigrate2TclCore.h"
#include "itclTclIntStubsFcn.h"
/*
* Utility macros: STRINGIFY takes an argument and wraps it in "" (double
* quotation marks).
*/
#ifndef STRINGIFY
# define STRINGIFY(x) STRINGIFY1(x)
# define STRINGIFY1(x) #x
#endif
/*
* MSVC 8.0 started to mark many standard C library functions depreciated
* including the *printf family and others. Tell it to shut up.
* (_MSC_VER is 1200 for VC6, 1300 or 1310 for vc7.net, 1400 for 8.0)
*/
#if defined(_MSC_VER)
# pragma warning(disable:4244)
# if _MSC_VER >= 1400
# pragma warning(disable:4267)
# pragma warning(disable:4996)
# endif
#endif
#ifndef JOIN
# define JOIN(a,b) JOIN1(a,b)
# define JOIN1(a,b) a##b
#endif
#ifndef TCL_UNUSED
# if defined(__cplusplus)
# define TCL_UNUSED(T) T
# else
# define TCL_UNUSED(T) T JOIN(dummy, __LINE__)
# endif
#endif
/*
* Since the Tcl/Tk distribution doesn't perform any asserts,
* dynamic loading can fail to find the __assert function.
* As a workaround, we'll include our own.
*/
#undef assert
#if defined(NDEBUG) && !defined(DEBUG)
#define assert(EX) ((void)0)
#else /* !NDEBUG || DEBUG */
#define assert(EX) (void)((EX) || (Itcl_Assert(STRINGIFY(EX), __FILE__, __LINE__), 0))
#endif
#define ITCL_INTERP_DATA "itcl_data"
#define ITCL_TK_VERSION "8.6"
/*
* Convenience macros for iterating through hash tables. FOREACH_HASH_DECLS
* sets up the declarations needed for the main macro, FOREACH_HASH, which
* does the actual iteration. FOREACH_HASH_VALUE is a restricted version that
* only iterates over values.
*/
#define FOREACH_HASH_DECLS \
Tcl_HashEntry *hPtr;Tcl_HashSearch search
#define FOREACH_HASH(key,val,tablePtr) \
for(hPtr=Tcl_FirstHashEntry((tablePtr),&search); hPtr!=NULL ? \
(*(void **)&(key)=Tcl_GetHashKey((tablePtr),hPtr),\
*(void **)&(val)=Tcl_GetHashValue(hPtr),1):0; hPtr=Tcl_NextHashEntry(&search))
#define FOREACH_HASH_VALUE(val,tablePtr) \
for(hPtr=Tcl_FirstHashEntry((tablePtr),&search); hPtr!=NULL ? \
(*(void **)&(val)=Tcl_GetHashValue(hPtr),1):0;hPtr=Tcl_NextHashEntry(&search))
/*
* What sort of size of things we like to allocate.
*/
#define ALLOC_CHUNK 8
#define ITCL_INT_NAMESPACE ITCL_NAMESPACE"::internal"
#define ITCL_INTDICTS_NAMESPACE ITCL_INT_NAMESPACE"::dicts"
#define ITCL_VARIABLES_NAMESPACE ITCL_INT_NAMESPACE"::variables"
#define ITCL_COMMANDS_NAMESPACE ITCL_INT_NAMESPACE"::commands"
typedef struct ItclFoundation {
Itcl_Stack methodCallStack;
Tcl_Command dispatchCommand;
} ItclFoundation;
typedef struct ItclArgList {
struct ItclArgList *nextPtr; /* pointer to next argument */
Tcl_Obj *namePtr; /* name of the argument */
Tcl_Obj *defaultValuePtr; /* default value or NULL if none */
} ItclArgList;
/*
* Common info for managing all known objects.
* Each interpreter has one of these data structures stored as
* clientData in the "itcl" namespace. It is also accessible
* as associated data via the key ITCL_INTERP_DATA.
*/
struct ItclClass;
struct ItclObject;
struct ItclMemberFunc;
struct EnsembleInfo;
struct ItclDelegatedOption;
struct ItclDelegatedFunction;
typedef struct ItclObjectInfo {
Tcl_Interp *interp; /* interpreter that manages this info */
Tcl_HashTable objects; /* list of all known objects key is
* ioPtr */
Tcl_HashTable objectCmds; /* list of known objects using accessCmd */
Tcl_HashTable unused5; /* list of known objects using namePtr */
Tcl_HashTable classes; /* list of all known classes,
* key is iclsPtr */
Tcl_HashTable nameClasses; /* maps from fullNamePtr to iclsPtr */
Tcl_HashTable namespaceClasses; /* maps from nsPtr to iclsPtr */
Tcl_HashTable procMethods; /* maps from procPtr to mFunc */
Tcl_HashTable instances; /* maps from instanceNumber to ioPtr */
Tcl_HashTable unused8; /* maps from ioPtr to instanceNumber */
Tcl_HashTable frameContext; /* maps frame to context stack */
Tcl_HashTable classTypes; /* maps from class type i.e. "widget"
* to define value i.e. ITCL_WIDGET */
int protection; /* protection level currently in effect */
int useOldResolvers; /* whether to use the "old" style
* resolvers or the CallFrame resolvers */
Itcl_Stack clsStack; /* stack of class definitions currently
* being parsed */
Itcl_Stack unused; /* Removed */
Itcl_Stack unused6; /* obsolete field */
struct ItclObject *currIoPtr; /* object currently being constructed
* set only during calling of constructors
* otherwise NULL */
Tcl_ObjectMetadataType *class_meta_type;
/* type for getting the Itcl class info
* from a TclOO Tcl_Object */
const Tcl_ObjectMetadataType *object_meta_type;
/* type for getting the Itcl object info
* from a TclOO Tcl_Object */
Tcl_Object clazzObjectPtr; /* the root object of Itcl */
Tcl_Class clazzClassPtr; /* the root class of Itcl */
struct EnsembleInfo *ensembleInfo;
struct ItclClass *currContextIclsPtr;
/* context class for delegated option
* handling */
int currClassFlags; /* flags for the class just in creation */
int buildingWidget; /* set if in construction of a widget */
int unparsedObjc; /* number options not parsed by
ItclExtendedConfigure/-Cget function */
Tcl_Obj **unparsedObjv; /* options not parsed by
ItclExtendedConfigure/-Cget function */
int functionFlags; /* used for creating of ItclMemberCode */
int unused7;
struct ItclDelegatedOption *currIdoPtr;
/* the current delegated option info */
int inOptionHandling; /* used to indicate for type/widget ...
* that there is an option processing
* and methods are allowed to be called */
/* these are the Tcl_Obj Ptrs for the clazz unknown procedure */
/* need to store them to be able to free them at the end */
int itclWidgetInitted; /* set to 1 if itclWidget.tcl has already
* been called
*/
int itclHullCmdsInitted; /* set to 1 if itclHullCmds.tcl has already
* been called
*/
Tcl_Obj *unused2;
Tcl_Obj *unused3;
Tcl_Obj *unused4;
Tcl_Obj *infoVarsPtr;
Tcl_Obj *unused9;
Tcl_Obj *infoVars4Ptr;
Tcl_Obj *typeDestructorArgumentPtr;
struct ItclObject *lastIoPtr; /* last object constructed */
Tcl_Command infoCmd;
} ItclObjectInfo;
typedef struct EnsembleInfo {
Tcl_HashTable ensembles; /* list of all known ensembles */
Tcl_HashTable subEnsembles; /* list of all known subensembles */
int numEnsembles;
Tcl_Namespace *ensembleNsPtr;
} EnsembleInfo;
/*
* Representation for each [incr Tcl] class.
*/
#define ITCL_CLASS 0x1
#define ITCL_TYPE 0x2
#define ITCL_WIDGET 0x4
#define ITCL_WIDGETADAPTOR 0x8
#define ITCL_ECLASS 0x10
#define ITCL_NWIDGET 0x20
#define ITCL_WIDGET_FRAME 0x40
#define ITCL_WIDGET_LABEL_FRAME 0x80
#define ITCL_WIDGET_TOPLEVEL 0x100
#define ITCL_WIDGET_TTK_FRAME 0x200
#define ITCL_WIDGET_TTK_LABEL_FRAME 0x400
#define ITCL_WIDGET_TTK_TOPLEVEL 0x800
#define ITCL_CLASS_IS_DELETED 0x1000
#define ITCL_CLASS_IS_DESTROYED 0x2000
#define ITCL_CLASS_NS_IS_DESTROYED 0x4000
#define ITCL_CLASS_IS_RENAMED 0x8000 /* unused */
#define ITCL_CLASS_IS_FREED 0x10000
#define ITCL_CLASS_DERIVED_RELEASED 0x20000
#define ITCL_CLASS_NS_TEARDOWN 0x40000
#define ITCL_CLASS_NO_VARNS_DELETE 0x80000
#define ITCL_CLASS_SHOULD_VARNS_DELETE 0x100000
#define ITCL_CLASS_DESTRUCTOR_CALLED 0x400000
typedef struct ItclClass {
Tcl_Obj *namePtr; /* class name */
Tcl_Obj *fullNamePtr; /* fully qualified class name */
Tcl_Interp *interp; /* interpreter that manages this info */
Tcl_Namespace *nsPtr; /* namespace representing class scope */
Tcl_Command accessCmd; /* access command for creating instances */
Tcl_Command thisCmd; /* needed for deletion of class */
struct ItclObjectInfo *infoPtr;
/* info about all known objects
* and other stuff like stacks */
Itcl_List bases; /* list of base classes */
Itcl_List derived; /* list of all derived classes */
Tcl_HashTable heritage; /* table of all base classes. Look up
* by pointer to class definition. This
* provides fast lookup for inheritance
* tests. */
Tcl_Obj *initCode; /* initialization code for new objs */
Tcl_HashTable variables; /* definitions for all data members
in this class. Look up simple string
names and get back ItclVariable* ptrs */
Tcl_HashTable options; /* definitions for all option members
in this class. Look up simple string
names and get back ItclOption* ptrs */
Tcl_HashTable components; /* definitions for all component members
in this class. Look up simple string
names and get back ItclComponent* ptrs */
Tcl_HashTable functions; /* definitions for all member functions
in this class. Look up simple string
names and get back ItclMemberFunc* ptrs */
Tcl_HashTable delegatedOptions; /* definitions for all delegated options
in this class. Look up simple string
names and get back
ItclDelegatedOption * ptrs */
Tcl_HashTable delegatedFunctions; /* definitions for all delegated methods
or procs in this class. Look up simple
string names and get back
ItclDelegatedFunction * ptrs */
Tcl_HashTable methodVariables; /* definitions for all methodvariable members
in this class. Look up simple string
names and get back
ItclMethodVariable* ptrs */
int numInstanceVars; /* number of instance vars in variables
table */
Tcl_HashTable classCommons; /* used for storing variable namespace
* string for Tcl_Resolve */
Tcl_HashTable resolveVars; /* all possible names for variables in
* this class (e.g., x, foo::x, etc.) */
Tcl_HashTable resolveCmds; /* all possible names for functions in
* this class (e.g., x, foo::x, etc.) */
Tcl_HashTable contextCache; /* cache for function contexts */
struct ItclMemberFunc *unused2;
/* the class constructor or NULL */
struct ItclMemberFunc *unused3;
/* the class destructor or NULL */
struct ItclMemberFunc *unused1;
Tcl_Resolve *resolvePtr;
Tcl_Obj *widgetClassPtr; /* class name for widget if class is a
* ::itcl::widget */
Tcl_Obj *hullTypePtr; /* hulltype name for widget if class is a
* ::itcl::widget */
Tcl_Object oPtr; /* TclOO class object */
Tcl_Class clsPtr; /* TclOO class */
int numCommons; /* number of commons in this class */
int numVariables; /* number of variables in this class */
int numOptions; /* number of options in this class */
int unique; /* unique number for #auto generation */
int flags; /* maintains class status */
int callRefCount; /* prevent deleting of class if refcount>1 */
Tcl_Obj *typeConstructorPtr; /* initialization for types */
int destructorHasBeenCalled; /* prevent multiple invocations of destrcutor */
int refCount;
} ItclClass;
typedef struct ItclHierIter {
ItclClass *current; /* current position in hierarchy */
Itcl_Stack stack; /* stack used for traversal */
} ItclHierIter;
#define ITCL_OBJECT_IS_DELETED 0x01
#define ITCL_OBJECT_IS_DESTRUCTED 0x02
#define ITCL_OBJECT_IS_DESTROYED 0x04
#define ITCL_OBJECT_IS_RENAMED 0x08
#define ITCL_OBJECT_CLASS_DESTRUCTED 0x10
#define ITCL_TCLOO_OBJECT_IS_DELETED 0x20
#define ITCL_OBJECT_DESTRUCT_ERROR 0x40
#define ITCL_OBJECT_SHOULD_VARNS_DELETE 0x80
#define ITCL_OBJECT_ROOT_METHOD 0x8000
/*
* Representation for each [incr Tcl] object.
*/
typedef struct ItclObject {
ItclClass *iclsPtr; /* most-specific class */
Tcl_Command accessCmd; /* object access command */
Tcl_HashTable* constructed; /* temp storage used during construction */
Tcl_HashTable* destructed; /* temp storage used during destruction */
Tcl_HashTable objectVariables;
/* used for storing Tcl_Var entries for
* variable resolving, key is ivPtr of
* variable, value is varPtr */
Tcl_HashTable objectOptions; /* definitions for all option members
in this object. Look up option namePtr
names and get back ItclOption* ptrs */
Tcl_HashTable objectComponents; /* definitions for all component members
in this object. Look up component namePtr
names and get back ItclComponent* ptrs */
Tcl_HashTable objectMethodVariables;
/* definitions for all methodvariable members
in this object. Look up methodvariable
namePtr names and get back
ItclMethodVariable* ptrs */
Tcl_HashTable objectDelegatedOptions;
/* definitions for all delegated option
members in this object. Look up option
namePtr names and get back
ItclOption* ptrs */
Tcl_HashTable objectDelegatedFunctions;
/* definitions for all delegated function
members in this object. Look up function
namePtr names and get back
ItclMemberFunc * ptrs */
Tcl_HashTable contextCache; /* cache for function contexts */
Tcl_Obj *namePtr;
Tcl_Obj *origNamePtr; /* the original name before any rename */
Tcl_Obj *createNamePtr; /* the temp name before any rename
* mostly used for widgetadaptor
* because that hijackes the name
* often when installing the hull */
Tcl_Interp *interp;
ItclObjectInfo *infoPtr;
Tcl_Obj *varNsNamePtr;
Tcl_Object oPtr; /* the TclOO object */
Tcl_Resolve *resolvePtr;
int flags;
int callRefCount; /* prevent deleting of object if refcount > 1 */
Tcl_Obj *hullWindowNamePtr; /* the window path name for the hull
* (before renaming in installhull) */
int destructorHasBeenCalled; /* is set when the destructor is called
* to avoid callin destructor twice */
int noComponentTrace; /* don't call component traces if
* setting components in DelegationInstall */
int hadConstructorError; /* needed for multiple calls of CallItclObjectCmd */
} ItclObject;
#define ITCL_IGNORE_ERRS 0x002 /* useful for construction/destruction */
typedef struct ItclResolveInfo {
int flags;
ItclClass *iclsPtr;
ItclObject *ioPtr;
} ItclResolveInfo;
#define ITCL_RESOLVE_CLASS 0x01
#define ITCL_RESOLVE_OBJECT 0x02
/*
* Implementation for any code body in an [incr Tcl] class.
*/
typedef struct ItclMemberCode {
int flags; /* flags describing implementation */
int argcount; /* number of args in arglist */
int maxargcount; /* max number of args in arglist */
Tcl_Obj *usagePtr; /* usage string for error messages */
Tcl_Obj *argumentPtr; /* the function arguments */
Tcl_Obj *bodyPtr; /* the function body */
ItclArgList *argListPtr; /* the parsed arguments */
union {
Tcl_CmdProc *argCmd; /* (argc,argv) C implementation */
Tcl_ObjCmdProc *objCmd; /* (objc,objv) C implementation */
} cfunc;
ClientData clientData; /* client data for C implementations */
} ItclMemberCode;
/*
* Flag bits for ItclMemberCode:
*/
#define ITCL_IMPLEMENT_NONE 0x001 /* no implementation */
#define ITCL_IMPLEMENT_TCL 0x002 /* Tcl implementation */
#define ITCL_IMPLEMENT_ARGCMD 0x004 /* (argc,argv) C implementation */
#define ITCL_IMPLEMENT_OBJCMD 0x008 /* (objc,objv) C implementation */
#define ITCL_IMPLEMENT_C 0x00c /* either kind of C implementation */
#define Itcl_IsMemberCodeImplemented(mcode) \
(((mcode)->flags & ITCL_IMPLEMENT_NONE) == 0)
/*
* Flag bits for ItclMember: functions and variables
*/
#define ITCL_COMMON 0x010 /* non-zero => is a "proc" or common
* variable */
/*
* Flag bits for ItclMember: functions
*/
#define ITCL_CONSTRUCTOR 0x020 /* non-zero => is a constructor */
#define ITCL_DESTRUCTOR 0x040 /* non-zero => is a destructor */
#define ITCL_ARG_SPEC 0x080 /* non-zero => has an argument spec */
#define ITCL_BODY_SPEC 0x100 /* non-zero => has an body spec */
#define ITCL_BUILTIN 0x400 /* non-zero => built-in method */
#define ITCL_COMPONENT 0x800 /* non-zero => component */
#define ITCL_TYPE_METHOD 0x1000 /* non-zero => typemethod */
#define ITCL_METHOD 0x2000 /* non-zero => method */
/*
* Flag bits for ItclMember: variables
*/
#define ITCL_THIS_VAR 0x20 /* non-zero => built-in "this" variable */
#define ITCL_OPTIONS_VAR 0x40 /* non-zero => built-in "itcl_options"
* variable */
#define ITCL_TYPE_VAR 0x80 /* non-zero => built-in "type" variable */
/* no longer used ??? */
#define ITCL_SELF_VAR 0x100 /* non-zero => built-in "self" variable */
#define ITCL_SELFNS_VAR 0x200 /* non-zero => built-in "selfns"
* variable */
#define ITCL_WIN_VAR 0x400 /* non-zero => built-in "win" variable */
#define ITCL_COMPONENT_VAR 0x800 /* non-zero => component variable */
#define ITCL_HULL_VAR 0x1000 /* non-zero => built-in "itcl_hull"
* variable */
#define ITCL_OPTION_READONLY 0x2000 /* non-zero => readonly */
#define ITCL_VARIABLE 0x4000 /* non-zero => normal variable */
#define ITCL_TYPE_VARIABLE 0x8000 /* non-zero => typevariable */
#define ITCL_OPTION_INITTED 0x10000 /* non-zero => option has been initialized */
#define ITCL_OPTION_COMP_VAR 0x20000 /* variable to collect option components of extendedclass */
/*
* Instance components.
*/
struct ItclVariable;
typedef struct ItclComponent {
Tcl_Obj *namePtr; /* member name */
struct ItclVariable *ivPtr; /* variable for this component */
int flags;
int haveKeptOptions;
Tcl_HashTable keptOptions; /* table of options to keep */
} ItclComponent;
#define ITCL_COMPONENT_INHERIT 0x01
#define ITCL_COMPONENT_PUBLIC 0x02
typedef struct ItclDelegatedFunction {
Tcl_Obj *namePtr;
ItclComponent *icPtr;
Tcl_Obj *asPtr;
Tcl_Obj *usingPtr;
Tcl_HashTable exceptions;
int flags;
} ItclDelegatedFunction;
/*
* Representation of member functions in an [incr Tcl] class.
*/
typedef struct ItclMemberFunc {
Tcl_Obj* namePtr; /* member name */
Tcl_Obj* fullNamePtr; /* member name with "class::" qualifier */
ItclClass* iclsPtr; /* class containing this member */
int protection; /* protection level */
int flags; /* flags describing member (see above) */
ItclObjectInfo *infoPtr;
ItclMemberCode *codePtr; /* code associated with member */
Tcl_Command accessCmd; /* Tcl command installed for this function */
int argcount; /* number of args in arglist */
int maxargcount; /* max number of args in arglist */
Tcl_Obj *usagePtr; /* usage string for error messages */
Tcl_Obj *argumentPtr; /* the function arguments */
Tcl_Obj *builtinArgumentPtr; /* the function arguments for builtin functions */
Tcl_Obj *origArgsPtr; /* the argument string of the original definition */
Tcl_Obj *bodyPtr; /* the function body */
ItclArgList *argListPtr; /* the parsed arguments */
ItclClass *declaringClassPtr; /* the class which declared the method/proc */
ClientData tmPtr; /* TclOO methodPtr */
ItclDelegatedFunction *idmPtr;
/* if the function is delegated != NULL */
} ItclMemberFunc;
/*
* Instance variables.
*/
typedef struct ItclVariable {
Tcl_Obj *namePtr; /* member name */
Tcl_Obj *fullNamePtr; /* member name with "class::" qualifier */
ItclClass *iclsPtr; /* class containing this member */
ItclObjectInfo *infoPtr;
ItclMemberCode *codePtr; /* code associated with member */
Tcl_Obj *init; /* initial value */
Tcl_Obj *arrayInitPtr; /* initial value if variable should be array */
int protection; /* protection level */
int flags; /* flags describing member (see below) */
int initted; /* is set when first time initted, to check
* for example itcl_hull var, which can be only
* initialized once */
} ItclVariable;
struct ItclOption;
typedef struct ItclDelegatedOption {
Tcl_Obj *namePtr;
Tcl_Obj *resourceNamePtr;
Tcl_Obj *classNamePtr;
struct ItclOption *ioptPtr; /* the option name or null for "*" */
ItclComponent *icPtr; /* the component where the delegation goes
* to */
Tcl_Obj *asPtr;
Tcl_HashTable exceptions; /* exceptions from delegation */
} ItclDelegatedOption;
/*
* Instance options.
*/
typedef struct ItclOption {
/* within a class hierarchy there must be only
* one option with the same name !! */
Tcl_Obj *namePtr; /* member name */
Tcl_Obj *fullNamePtr; /* member name with "class::" qualifier */
Tcl_Obj *resourceNamePtr;
Tcl_Obj *classNamePtr;
ItclClass *iclsPtr; /* class containing this member */
int protection; /* protection level */
int flags; /* flags describing member (see below) */
ItclMemberCode *codePtr; /* code associated with member */
Tcl_Obj *defaultValuePtr; /* initial value */
Tcl_Obj *cgetMethodPtr;
Tcl_Obj *cgetMethodVarPtr;
Tcl_Obj *configureMethodPtr;
Tcl_Obj *configureMethodVarPtr;
Tcl_Obj *validateMethodPtr;
Tcl_Obj *validateMethodVarPtr;
ItclDelegatedOption *idoPtr;
/* if the option is delegated != NULL */
} ItclOption;
/*
* Instance methodvariables.
*/
typedef struct ItclMethodVariable {
Tcl_Obj *namePtr; /* member name */
Tcl_Obj *fullNamePtr; /* member name with "class::" qualifier */
ItclClass *iclsPtr; /* class containing this member */
int protection; /* protection level */
int flags; /* flags describing member (see below) */
Tcl_Obj *defaultValuePtr;
Tcl_Obj *callbackPtr;
} ItclMethodVariable;
#define VAR_TYPE_VARIABLE 1
#define VAR_TYPE_COMMON 2
#define CMD_TYPE_METHOD 1
#define CMD_TYPE_PROC 2
typedef struct ItclClassCmdInfo {
int type;
int protection;
int cmdNum;
Tcl_Namespace *nsPtr;
Tcl_Namespace *declaringNsPtr;
} ItclClassCmdInfo;
/*
* Instance variable lookup entry.
*/
typedef struct ItclVarLookup {
ItclVariable* ivPtr; /* variable definition */
int usage; /* number of uses for this record */
int accessible; /* non-zero => accessible from class with
* this lookup record in its resolveVars */
char *leastQualName; /* simplist name for this variable, with
* the fewest qualifiers. This string is
* taken from the resolveVars table, so
* it shouldn't be freed. */
int varNum;
Tcl_Var varPtr;
} ItclVarLookup;
/*
* Instance command lookup entry.
*/
typedef struct ItclCmdLookup {
ItclMemberFunc* imPtr; /* function definition */
int cmdNum;
ItclClassCmdInfo *classCmdInfoPtr;
Tcl_Command cmdPtr;
} ItclCmdLookup;
typedef struct ItclCallContext {
int objectFlags;
Tcl_Namespace *nsPtr;
ItclObject *ioPtr;
ItclMemberFunc *imPtr;
int refCount;
} ItclCallContext;
/*
* The macro below is used to modify a "char" value (e.g. by casting
* it to an unsigned character) so that it can be used safely with
* macros such as isspace.
*/
#define UCHAR(c) ((unsigned char) (c))
/*
* Macros used to cast between pointers and integers (e.g. when storing an int
* in ClientData), on 64-bit architectures they avoid gcc warning about "cast
* to/from pointer from/to integer of different size".
*/
#if !defined(INT2PTR) && !defined(PTR2INT)
# if defined(HAVE_INTPTR_T) || defined(intptr_t)
# define INT2PTR(p) ((void*)(intptr_t)(p))
# define PTR2INT(p) ((int)(intptr_t)(p))
# else
# define INT2PTR(p) ((void*)(p))
# define PTR2INT(p) ((int)(p))
# endif
#endif
#ifdef ITCL_DEBUG
MODULE_SCOPE int _itcl_debug_level;
MODULE_SCOPE void ItclShowArgs(int level, const char *str, int objc,
Tcl_Obj * const* objv);
#else
#define ItclShowArgs(a,b,c,d) do {(void)(c);(void)(d);} while(0)
#endif
MODULE_SCOPE Tcl_ObjCmdProc ItclCallCCommand;
MODULE_SCOPE Tcl_ObjCmdProc ItclObjectUnknownCommand;
MODULE_SCOPE int ItclCheckCallProc(ClientData clientData, Tcl_Interp *interp,
Tcl_ObjectContext contextPtr, Tcl_CallFrame *framePtr, int *isFinished);
MODULE_SCOPE void ItclPreserveClass(ItclClass *iclsPtr);
MODULE_SCOPE void ItclReleaseClass(ClientData iclsPtr);
MODULE_SCOPE ItclFoundation *ItclGetFoundation(Tcl_Interp *interp);
MODULE_SCOPE Tcl_ObjCmdProc ItclClassCommandDispatcher;
MODULE_SCOPE Tcl_Command Itcl_CmdAliasProc(Tcl_Interp *interp,
Tcl_Namespace *nsPtr, const char *cmdName, ClientData clientData);
MODULE_SCOPE Tcl_Var Itcl_VarAliasProc(Tcl_Interp *interp,
Tcl_Namespace *nsPtr, const char *VarName, ClientData clientData);
MODULE_SCOPE int ItclIsClass(Tcl_Interp *interp, Tcl_Command cmd);
MODULE_SCOPE int ItclCheckCallMethod(ClientData clientData, Tcl_Interp *interp,
Tcl_ObjectContext contextPtr, Tcl_CallFrame *framePtr, int *isFinished);
MODULE_SCOPE int ItclAfterCallMethod(ClientData clientData, Tcl_Interp *interp,
Tcl_ObjectContext contextPtr, Tcl_Namespace *nsPtr, int result);
MODULE_SCOPE void ItclReportObjectUsage(Tcl_Interp *interp,
ItclObject *contextIoPtr, Tcl_Namespace *callerNsPtr,
Tcl_Namespace *contextNsPtr);
MODULE_SCOPE int ItclMapMethodNameProc(Tcl_Interp *interp, Tcl_Object oPtr,
Tcl_Class *startClsPtr, Tcl_Obj *methodObj);
MODULE_SCOPE int ItclCreateArgList(Tcl_Interp *interp, const char *str,
int *argcPtr, int *maxArgcPtr, Tcl_Obj **usagePtr,
ItclArgList **arglistPtrPtr, ItclMemberFunc *imPtr,
const char *commandName);
MODULE_SCOPE int ItclObjectCmd(ClientData clientData, Tcl_Interp *interp,
Tcl_Object oPtr, Tcl_Class clsPtr, int objc, Tcl_Obj *const *objv);
MODULE_SCOPE int ItclCreateObject (Tcl_Interp *interp, const char* name,
ItclClass *iclsPtr, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE void ItclDeleteObjectVariablesNamespace(Tcl_Interp *interp,
ItclObject *ioPtr);
MODULE_SCOPE void ItclDeleteClassVariablesNamespace(Tcl_Interp *interp,
ItclClass *iclsPtr);
MODULE_SCOPE int ItclInfoInit(Tcl_Interp *interp, ItclObjectInfo *infoPtr);
MODULE_SCOPE Tcl_HashEntry *ItclResolveVarEntry(
ItclClass* iclsPtr, const char *varName);
struct Tcl_ResolvedVarInfo;
MODULE_SCOPE int Itcl_ClassCmdResolver(Tcl_Interp *interp, const char* name,
Tcl_Namespace *nsPtr, int flags, Tcl_Command *rPtr);
MODULE_SCOPE int Itcl_ClassVarResolver(Tcl_Interp *interp, const char* name,
Tcl_Namespace *nsPtr, int flags, Tcl_Var *rPtr);
MODULE_SCOPE int Itcl_ClassCompiledVarResolver(Tcl_Interp *interp,
const char* name, int length, Tcl_Namespace *nsPtr,
struct Tcl_ResolvedVarInfo **rPtr);
MODULE_SCOPE int Itcl_ClassCmdResolver2(Tcl_Interp *interp, const char* name,
Tcl_Namespace *nsPtr, int flags, Tcl_Command *rPtr);
MODULE_SCOPE int Itcl_ClassVarResolver2(Tcl_Interp *interp, const char* name,
Tcl_Namespace *nsPtr, int flags, Tcl_Var *rPtr);
MODULE_SCOPE int Itcl_ClassCompiledVarResolver2(Tcl_Interp *interp,
const char* name, int length, Tcl_Namespace *nsPtr,
struct Tcl_ResolvedVarInfo **rPtr);
MODULE_SCOPE int ItclSetParserResolver(Tcl_Namespace *nsPtr);
MODULE_SCOPE void ItclProcErrorProc(Tcl_Interp *interp, Tcl_Obj *procNameObj);
MODULE_SCOPE int Itcl_CreateOption (Tcl_Interp *interp, ItclClass *iclsPtr,
ItclOption *ioptPtr);
MODULE_SCOPE int ItclCreateMethodVariable(Tcl_Interp *interp,
ItclVariable *ivPtr, Tcl_Obj* defaultPtr, Tcl_Obj* callbackPtr,
ItclMethodVariable** imvPtrPtr);
MODULE_SCOPE int DelegationInstall(Tcl_Interp *interp, ItclObject *ioPtr,
ItclClass *iclsPtr);
MODULE_SCOPE ItclClass *ItclNamespace2Class(Tcl_Namespace *nsPtr);
MODULE_SCOPE const char* ItclGetCommonInstanceVar(Tcl_Interp *interp,
const char *name, const char *name2, ItclObject *contextIoPtr,
ItclClass *contextIclsPtr);
MODULE_SCOPE int ItclCreateMethod(Tcl_Interp* interp, ItclClass *iclsPtr,
Tcl_Obj *namePtr, const char* arglist, const char* body,
ItclMemberFunc **imPtrPtr);
MODULE_SCOPE int Itcl_WidgetParseInit(Tcl_Interp *interp,
ItclObjectInfo *infoPtr);
MODULE_SCOPE void ItclDeleteObjectMetadata(ClientData clientData);
MODULE_SCOPE void ItclDeleteClassMetadata(ClientData clientData);
MODULE_SCOPE void ItclDeleteArgList(ItclArgList *arglistPtr);
MODULE_SCOPE int Itcl_ClassOptionCmd(ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int DelegatedOptionsInstall(Tcl_Interp *interp,
ItclClass *iclsPtr);
MODULE_SCOPE int Itcl_HandleDelegateOptionCmd(Tcl_Interp *interp,
ItclObject *ioPtr, ItclClass *iclsPtr, ItclDelegatedOption **idoPtrPtr,
int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itcl_HandleDelegateMethodCmd(Tcl_Interp *interp,
ItclObject *ioPtr, ItclClass *iclsPtr,
ItclDelegatedFunction **idmPtrPtr, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int DelegateFunction(Tcl_Interp *interp, ItclObject *ioPtr,
ItclClass *iclsPtr, Tcl_Obj *componentNamePtr,
ItclDelegatedFunction *idmPtr);
MODULE_SCOPE int ItclInitObjectMethodVariables(Tcl_Interp *interp,
ItclObject *ioPtr, ItclClass *iclsPtr, const char *name);
MODULE_SCOPE int InitTclOOFunctionPointers(Tcl_Interp *interp);
MODULE_SCOPE ItclOption* ItclNewOption(Tcl_Interp *interp, ItclObject *ioPtr,
ItclClass *iclsPtr, Tcl_Obj *namePtr, const char *resourceName,
const char *className, char *init, ItclMemberCode *mCodePtr);
MODULE_SCOPE int ItclParseOption(ItclObjectInfo *infoPtr, Tcl_Interp *interp,
int objc, Tcl_Obj *const objv[], ItclClass *iclsPtr,
ItclObject *ioPtr, ItclOption **ioptPtrPtr);
MODULE_SCOPE void ItclDestroyClassNamesp(ClientData cdata);
MODULE_SCOPE int ExpandDelegateAs(Tcl_Interp *interp, ItclObject *ioPtr,
ItclClass *iclsPtr, ItclDelegatedFunction *idmPtr,
const char *funcName, Tcl_Obj *listPtr);
MODULE_SCOPE int ItclCheckForInitializedComponents(Tcl_Interp *interp,
ItclClass *iclsPtr, ItclObject *ioPtr);
MODULE_SCOPE int ItclCreateDelegatedFunction(Tcl_Interp *interp,
ItclClass *iclsPtr, Tcl_Obj *methodNamePtr, ItclComponent *icPtr,
Tcl_Obj *targetPtr, Tcl_Obj *usingPtr, Tcl_Obj *exceptionsPtr,
ItclDelegatedFunction **idmPtrPtr);
MODULE_SCOPE void ItclDeleteDelegatedOption(char *cdata);
MODULE_SCOPE void Itcl_FinishList();
MODULE_SCOPE void ItclDeleteDelegatedFunction(ItclDelegatedFunction *idmPtr);
MODULE_SCOPE void ItclFinishEnsemble(ItclObjectInfo *infoPtr);
MODULE_SCOPE int Itcl_EnsembleDeleteCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int ItclAddClassesDictInfo(Tcl_Interp *interp, ItclClass *iclsPtr);
MODULE_SCOPE int ItclDeleteClassesDictInfo(Tcl_Interp *interp,
ItclClass *iclsPtr);
MODULE_SCOPE int ItclAddObjectsDictInfo(Tcl_Interp *interp, ItclObject *ioPtr);
MODULE_SCOPE int ItclDeleteObjectsDictInfo(Tcl_Interp *interp,
ItclObject *ioPtr);
MODULE_SCOPE int ItclAddOptionDictInfo(Tcl_Interp *interp, ItclClass *iclsPtr,
ItclOption *ioptPtr);
MODULE_SCOPE int ItclAddDelegatedOptionDictInfo(Tcl_Interp *interp,
ItclClass *iclsPtr, ItclDelegatedOption *idoPtr);
MODULE_SCOPE int ItclAddClassComponentDictInfo(Tcl_Interp *interp,
ItclClass *iclsPtr, ItclComponent *icPtr);
MODULE_SCOPE int ItclAddClassVariableDictInfo(Tcl_Interp *interp,
ItclClass *iclsPtr, ItclVariable *ivPtr);
MODULE_SCOPE int ItclAddClassFunctionDictInfo(Tcl_Interp *interp,
ItclClass *iclsPtr, ItclMemberFunc *imPtr);
MODULE_SCOPE int ItclAddClassDelegatedFunctionDictInfo(Tcl_Interp *interp,
ItclClass *iclsPtr, ItclDelegatedFunction *idmPtr);
MODULE_SCOPE int ItclClassCreateObject(ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE void ItclRestoreInfoVars(ClientData clientData);
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiMyProcCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiInstallComponentCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiCallInstanceCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiGetInstanceVarCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiMyTypeMethodCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiMyMethodCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiMyTypeVarCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiMyVarCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_BiItclHullCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_ThisCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_ExtendedClassCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_TypeClassCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_AddObjectOptionCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_AddDelegatedOptionCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_AddDelegatedFunctionCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_SetComponentCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_ClassHullTypeCmd;
MODULE_SCOPE Tcl_ObjCmdProc Itcl_ClassWidgetClassCmd;
typedef int (ItclRootMethodProc)(ItclObject *ioPtr, Tcl_Interp *interp,
int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE const Tcl_MethodType itclRootMethodType;
MODULE_SCOPE ItclRootMethodProc ItclUnknownGuts;
MODULE_SCOPE ItclRootMethodProc ItclConstructGuts;
MODULE_SCOPE ItclRootMethodProc ItclInfoGuts;
#include "itcl2TclOO.h"
/*
* Include all the private API, generated from itcl.decls.
*/
#include "itclIntDecls.h"