/* * tclInt.h -- * * Declarations of things used internally by the Tcl interpreter. * * Copyright (c) 1987-1993 The Regents of the University of California. * Copyright (c) 1993-1997 Lucent Technologies. * Copyright (c) 1994-1998 Sun Microsystems, Inc. * Copyright (c) 1998-1999 by Scriptics Corporation. * Copyright (c) 2001, 2002 by Kevin B. Kenny. All rights reserved. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * RCS: @(#) Id */ #ifndef _TCLINT #define _TCLINT /* * Common include files needed by most of the Tcl source files are * included here, so that system-dependent personalizations for the * include files only have to be made in once place. This results * in a few extra includes, but greater modularity. The order of * the three groups of #includes is important. For example, stdio.h * is needed by tcl.h, and the _ANSI_ARGS_ declaration in tcl.h is * needed by stdlib.h in some configurations. */ #ifndef _TCL #include "tcl.h" #endif #include #include #ifdef NO_LIMITS_H # include "../compat/limits.h" #else # include #endif #ifdef NO_STDLIB_H # include "../compat/stdlib.h" #else # include #endif #ifdef NO_STRING_H #include "../compat/string.h" #else #include #endif /* * Ensure WORDS_BIGENDIAN is defined correcly: * Needs to happen here in addition to configure to work with fat compiles on * Darwin (where configure runs only once for multiple architectures). */ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_PARAM_H # include #endif #ifdef BYTE_ORDER # ifdef BIG_ENDIAN # if BYTE_ORDER == BIG_ENDIAN # undef WORDS_BIGENDIAN # define WORDS_BIGENDIAN # endif # endif # ifdef LITTLE_ENDIAN # if BYTE_ORDER == LITTLE_ENDIAN # undef WORDS_BIGENDIAN # endif # endif #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 #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 procedures allow namespaces to be customized to * support special name resolution rules for commands/variables. * */ struct Tcl_ResolvedVarInfo; typedef Tcl_Var (Tcl_ResolveRuntimeVarProc) _ANSI_ARGS_(( Tcl_Interp* interp, struct Tcl_ResolvedVarInfo *vinfoPtr)); typedef void (Tcl_ResolveVarDeleteProc) _ANSI_ARGS_(( struct Tcl_ResolvedVarInfo *vinfoPtr)); /* * The following structure encapsulates the routines needed to resolve a * variable reference at runtime. Any variable specific state will typically * be appended to this structure. */ typedef struct Tcl_ResolvedVarInfo { Tcl_ResolveRuntimeVarProc *fetchProc; Tcl_ResolveVarDeleteProc *deleteProc; } Tcl_ResolvedVarInfo; typedef int (Tcl_ResolveCompiledVarProc) _ANSI_ARGS_(( Tcl_Interp* interp, CONST84 char* name, int length, Tcl_Namespace *context, Tcl_ResolvedVarInfo **rPtr)); typedef int (Tcl_ResolveVarProc) _ANSI_ARGS_(( Tcl_Interp* interp, CONST84 char* name, Tcl_Namespace *context, int flags, Tcl_Var *rPtr)); typedef int (Tcl_ResolveCmdProc) _ANSI_ARGS_((Tcl_Interp* interp, CONST84 char* name, Tcl_Namespace *context, int flags, Tcl_Command *rPtr)); typedef struct Tcl_ResolverInfo { Tcl_ResolveCmdProc *cmdResProc; /* Procedure handling command name * resolution. */ Tcl_ResolveVarProc *varResProc; /* Procedure handling variable name * resolution for variables that * can only be handled at runtime. */ Tcl_ResolveCompiledVarProc *compiledVarResProc; /* Procedure handling variable name * resolution at compile time. */ } Tcl_ResolverInfo; /* *---------------------------------------------------------------- * Data structures related to namespaces. *---------------------------------------------------------------- */ /* * The structure below defines a namespace. * Note: the first five fields must match exactly the fields in a * Tcl_Namespace structure (see tcl.h). If you change one, be sure to * change the other. */ typedef struct Namespace { char *name; /* The namespace's simple (unqualified) * name. 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; /* An arbitrary value associated with this * namespace. */ Tcl_NamespaceDeleteProc *deleteProc; /* Procedure invoked when deleting the * namespace to, e.g., free clientData. */ struct Namespace *parentPtr; /* Points to the namespace that contains * this one. NULL if this is the global * namespace. */ Tcl_HashTable childTable; /* Contains any child namespaces. Indexed * by strings; values have type * (Namespace *). */ long nsId; /* Unique id for the namespace. */ Tcl_Interp *interp; /* The interpreter containing this * namespace. */ int flags; /* OR-ed combination of the namespace * status flags NS_DYING and NS_DEAD * listed below. */ int activationCount; /* Number of "activations" or active call * frames for this namespace that are on * the Tcl call stack. The namespace won't * be freed until activationCount becomes * zero. */ int refCount; /* Count of references by namespaceName * * objects. The namespace can't be freed * until refCount becomes zero. */ Tcl_HashTable cmdTable; /* Contains all the commands currently * registered in the namespace. Indexed by * strings; values have type (Command *). * Commands imported by Tcl_Import have * Command structures that point (via an * ImportedCmdRef structure) to the * Command structure in the source * namespace's command table. */ Tcl_HashTable varTable; /* Contains all the (global) variables * currently in this namespace. Indexed * by strings; values have type (Var *). */ char **exportArrayPtr; /* Points to an array of string patterns * specifying which commands are exported. * A pattern may include "string match" * style wildcard characters to specify * multiple commands; however, no namespace * qualifiers are allowed. NULL if no * export patterns are registered. */ int numExportPatterns; /* Number of export patterns currently * registered using "namespace export". */ int maxExportPatterns; /* Mumber of export patterns for which * space is currently allocated. */ int cmdRefEpoch; /* Incremented if a newly added command * shadows a command for which this * namespace has already cached a Command * * pointer; this causes all its cached * Command* pointers to be invalidated. */ int resolverEpoch; /* Incremented whenever (a) the name resolution * rules change for this namespace or (b) a * newly added command shadows a command that * is compiled to bytecodes. * This invalidates all byte codes compiled * in the namespace, causing the code to be * recompiled under the new rules.*/ Tcl_ResolveCmdProc *cmdResProc; /* If non-null, this procedure overrides * the usual command resolution mechanism * in Tcl. This procedure is invoked * within Tcl_FindCommand to resolve all * command references within the namespace. */ Tcl_ResolveVarProc *varResProc; /* If non-null, this procedure overrides * the usual variable resolution mechanism * in Tcl. This procedure is invoked * within Tcl_FindNamespaceVar to resolve all * variable references within the namespace * at runtime. */ Tcl_ResolveCompiledVarProc *compiledVarResProc; /* If non-null, this procedure overrides * the usual variable resolution mechanism * in Tcl. This procedure is invoked * within LookupCompiledLocal to resolve * variable references within the namespace * at compile time. */ } Namespace; /* * Flags used to represent the status of a namespace: * * NS_DYING - 1 means Tcl_DeleteNamespace has been called to delete the * namespace but there are still active call frames on the Tcl * stack that refer to the namespace. When the last call frame * referring to it has been popped, it's variables and command * will be destroyed and it will be marked "dead" (NS_DEAD). * The namespace can no longer be looked up by name. * NS_DEAD - 1 means Tcl_DeleteNamespace has been called to delete the * namespace and no call frames still refer to it. Its * variables and command have already been destroyed. This bit * allows the namespace resolution code to recognize that the * namespace is "deleted". When the last namespaceName object * in any byte code code unit that refers to the namespace has * been freed (i.e., when the namespace's refCount is 0), the * namespace's storage will be freed. * NS_KILLED 1 means that TclTeardownNamespace has already been called on * this namespace and it should not be called again [Bug 1355942] */ #define NS_DYING 0x01 #define NS_DEAD 0x02 #define NS_KILLED 0x04 /* * Flag passed to TclGetNamespaceForQualName to have it create all namespace * components of a namespace-qualified name that cannot be found. The new * namespaces are created within their specified parent. Note that this * flag's value must not conflict with the values of the flags * TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY, and FIND_ONLY_NS (defined in * tclNamesp.c). */ #define CREATE_NS_IF_UNKNOWN 0x800 /* *---------------------------------------------------------------- * Data structures related to variables. These are used primarily * in tclVar.c *---------------------------------------------------------------- */ /* * The following structure defines a variable trace, which is used to * invoke a specific C procedure whenever certain operations are performed * on a variable. */ typedef struct VarTrace { Tcl_VarTraceProc *traceProc;/* Procedure to call when operations given * by flags are performed on variable. */ ClientData clientData; /* Argument to pass to proc. */ int flags; /* What events the trace procedure is * interested in: OR-ed combination of * TCL_TRACE_READS, TCL_TRACE_WRITES, * TCL_TRACE_UNSETS and TCL_TRACE_ARRAY. */ struct VarTrace *nextPtr; /* Next in list of traces associated with * a particular variable. */ } VarTrace; /* * The following structure defines a command trace, which is used to * invoke a specific C procedure whenever certain operations are performed * on a command. */ typedef struct CommandTrace { Tcl_CommandTraceProc *traceProc;/* Procedure to call when operations given * by flags are performed on command. */ ClientData clientData; /* Argument to pass to proc. */ int flags; /* What events the trace procedure is * interested in: OR-ed combination of * TCL_TRACE_RENAME, TCL_TRACE_DELETE. */ struct CommandTrace *nextPtr; /* Next in list of traces associated with * a particular command. */ int refCount; /* Used to ensure this structure is * not deleted too early. Keeps track * of how many pieces of code have * a pointer to this structure. */ } CommandTrace; /* * When a command trace is active (i.e. its associated procedure is * executing), one of the following structures is linked into a list * associated with the command's interpreter. The information in * the structure is needed in order for Tcl to behave reasonably * if traces are deleted while traces are active. */ typedef struct ActiveCommandTrace { struct Command *cmdPtr; /* Command that's being traced. */ struct ActiveCommandTrace *nextPtr; /* Next in list of all active command * traces for the interpreter, or NULL * if no more. */ CommandTrace *nextTracePtr; /* Next trace to check after current * trace procedure returns; if this * trace gets deleted, must update pointer * to avoid using free'd memory. */ int reverseScan; /* Boolean set true when the traces * are scanning in reverse order. */ } ActiveCommandTrace; /* * When a variable trace is active (i.e. its associated procedure is * executing), one of the following structures is linked into a list * associated with the variable's interpreter. The information in * the structure is needed in order for Tcl to behave reasonably * if traces are deleted while traces are active. */ typedef struct ActiveVarTrace { struct Var *varPtr; /* Variable that's being traced. */ struct ActiveVarTrace *nextPtr; /* Next in list of all active variable * traces for the interpreter, or NULL * if no more. */ VarTrace *nextTracePtr; /* Next trace to check after current * trace procedure returns; if this * trace gets deleted, must update pointer * to avoid using free'd memory. */ } ActiveVarTrace; /* * The following structure describes an enumerative search in progress on * an array variable; this are invoked with options to the "array" * command. */ typedef struct ArraySearch { int id; /* Integer id used to distinguish among * multiple concurrent searches for the * same array. */ struct Var *varPtr; /* Pointer to array variable that's being * searched. */ Tcl_HashSearch search; /* Info kept by the hash module about * progress through the array. */ Tcl_HashEntry *nextEntry; /* Non-null means this is the next element * to be enumerated (it's leftover from * the Tcl_FirstHashEntry call or from * an "array anymore" command). NULL * means must call Tcl_NextHashEntry * to get value to return. */ struct ArraySearch *nextPtr;/* Next in list of all active searches * for this variable, or NULL if this is * the last one. */ } ArraySearch; /* * The structure below defines a variable, which associates a string name * with a Tcl_Obj value. These structures are kept in procedure call frames * (for local variables recognized by the compiler) or in the heap (for * global variables and any variable not known to the compiler). For each * Var structure in the heap, a hash table entry holds the variable name and * a pointer to the Var structure. */ typedef struct Var { union { Tcl_Obj *objPtr; /* The variable's object value. Used for * scalar variables and array elements. */ Tcl_HashTable *tablePtr;/* For array variables, this points to * information about the hash table used * to implement the associative array. * Points to malloc-ed data. */ struct Var *linkPtr; /* If this is a global variable being * referred to in a procedure, or a variable * created by "upvar", this field points to * the referenced variable's Var struct. */ } value; char *name; /* NULL if the variable is in a hashtable, * otherwise points to the variable's * name. It is used, e.g., by TclLookupVar * and "info locals". The storage for the * characters of the name is not owned by * the Var and must not be freed when * freeing the Var. */ Namespace *nsPtr; /* Points to the namespace that contains * this variable or NULL if the variable is * a local variable in a Tcl procedure. */ Tcl_HashEntry *hPtr; /* If variable is in a hashtable, either the * hash table entry that refers to this * variable or NULL if the variable has been * detached from its hash table (e.g. an * array is deleted, but some of its * elements are still referred to in * upvars). NULL if the variable is not in a * hashtable. This is used to delete an * variable from its hashtable if it is no * longer needed. */ int refCount; /* Counts number of active uses of this * variable, not including its entry in the * call frame or the hash table: 1 for each * additional variable whose linkPtr points * here, 1 for each nested trace active on * variable, and 1 if the variable is a * namespace variable. This record can't be * deleted until refCount becomes 0. */ VarTrace *tracePtr; /* First in list of all traces set for this * variable. */ ArraySearch *searchPtr; /* First in list of all searches active * for this variable, or NULL if none. */ int flags; /* Miscellaneous bits of information about * variable. See below for definitions. */ } Var; /* * Flag bits for variables. The first three (VAR_SCALAR, VAR_ARRAY, and * VAR_LINK) are mutually exclusive and give the "type" of the variable. * VAR_UNDEFINED is independent of the variable's type. * * VAR_SCALAR - 1 means this is a scalar variable and not * an array or link. The "objPtr" field points * to the variable's value, a Tcl object. * VAR_ARRAY - 1 means this is an array variable rather * than a scalar variable or link. The * "tablePtr" field points to the array's * hashtable for its elements. * VAR_LINK - 1 means this Var structure contains a * pointer to another Var structure that * either has the real value or is itself * another VAR_LINK pointer. Variables like * this come about through "upvar" and "global" * commands, or through references to variables * in enclosing namespaces. * VAR_UNDEFINED - 1 means that the variable is in the process * of being deleted. An undefined variable * logically does not exist and survives only * while it has a trace, or if it is a global * variable currently being used by some * procedure. * VAR_IN_HASHTABLE - 1 means this variable is in a hashtable and * the Var structure is malloced. 0 if it is * a local variable that was assigned a slot * in a procedure frame by the compiler so the * Var storage is part of the call frame. * VAR_TRACE_ACTIVE - 1 means that trace processing is currently * underway for a read or write access, so * new read or write accesses should not cause * trace procedures to be called and the * variable can't be deleted. * VAR_ARRAY_ELEMENT - 1 means that this variable is an array * element, so it is not legal for it to be * an array itself (the VAR_ARRAY flag had * better not be set). * VAR_NAMESPACE_VAR - 1 means that this variable was declared * as a namespace variable. This flag ensures * it persists until its namespace is * destroyed or until the variable is unset; * it will persist even if it has not been * initialized and is marked undefined. * The variable's refCount is incremented to * reflect the "reference" from its namespace. * * The following additional flags are used with the CompiledLocal type * defined below: * * VAR_ARGUMENT - 1 means that this variable holds a procedure * argument. * VAR_TEMPORARY - 1 if the local variable is an anonymous * temporary variable. Temporaries have a NULL * name. * VAR_RESOLVED - 1 if name resolution has been done for this * variable. */ #define VAR_SCALAR 0x1 #define VAR_ARRAY 0x2 #define VAR_LINK 0x4 #define VAR_UNDEFINED 0x8 #define VAR_IN_HASHTABLE 0x10 #define VAR_TRACE_ACTIVE 0x20 #define VAR_ARRAY_ELEMENT 0x40 #define VAR_NAMESPACE_VAR 0x80 #define VAR_ARGUMENT 0x100 #define VAR_TEMPORARY 0x200 #define VAR_RESOLVED 0x400 /* * Macros to ensure that various flag bits are set properly for variables. * The ANSI C "prototypes" for these macros are: * * EXTERN void TclSetVarScalar _ANSI_ARGS_((Var *varPtr)); * EXTERN void TclSetVarArray _ANSI_ARGS_((Var *varPtr)); * EXTERN void TclSetVarLink _ANSI_ARGS_((Var *varPtr)); * EXTERN void TclSetVarArrayElement _ANSI_ARGS_((Var *varPtr)); * EXTERN void TclSetVarUndefined _ANSI_ARGS_((Var *varPtr)); * EXTERN void TclClearVarUndefined _ANSI_ARGS_((Var *varPtr)); */ #define TclSetVarScalar(varPtr) \ (varPtr)->flags = ((varPtr)->flags & ~(VAR_ARRAY|VAR_LINK)) | VAR_SCALAR #define TclSetVarArray(varPtr) \ (varPtr)->flags = ((varPtr)->flags & ~(VAR_SCALAR|VAR_LINK)) | VAR_ARRAY #define TclSetVarLink(varPtr) \ (varPtr)->flags = ((varPtr)->flags & ~(VAR_SCALAR|VAR_ARRAY)) | VAR_LINK #define TclSetVarArrayElement(varPtr) \ (varPtr)->flags = ((varPtr)->flags & ~VAR_ARRAY) | VAR_ARRAY_ELEMENT #define TclSetVarUndefined(varPtr) \ (varPtr)->flags |= VAR_UNDEFINED #define TclClearVarUndefined(varPtr) \ (varPtr)->flags &= ~VAR_UNDEFINED /* * Macros to read various flag bits of variables. * The ANSI C "prototypes" for these macros are: * * EXTERN int TclIsVarScalar _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarLink _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarArray _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarUndefined _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarArrayElement _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarTemporary _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarArgument _ANSI_ARGS_((Var *varPtr)); * EXTERN int TclIsVarResolved _ANSI_ARGS_((Var *varPtr)); */ #define TclIsVarScalar(varPtr) \ ((varPtr)->flags & VAR_SCALAR) #define TclIsVarLink(varPtr) \ ((varPtr)->flags & VAR_LINK) #define TclIsVarArray(varPtr) \ ((varPtr)->flags & VAR_ARRAY) #define TclIsVarUndefined(varPtr) \ ((varPtr)->flags & VAR_UNDEFINED) #define TclIsVarArrayElement(varPtr) \ ((varPtr)->flags & VAR_ARRAY_ELEMENT) #define TclIsVarTemporary(varPtr) \ ((varPtr)->flags & VAR_TEMPORARY) #define TclIsVarArgument(varPtr) \ ((varPtr)->flags & VAR_ARGUMENT) #define TclIsVarResolved(varPtr) \ ((varPtr)->flags & VAR_RESOLVED) /* *---------------------------------------------------------------- * Data structures related to procedures. These are used primarily * in tclProc.c, tclCompile.c, and tclExecute.c. *---------------------------------------------------------------- */ /* * Forward declaration to prevent an error when the forward reference to * Command is encountered in the Proc and ImportRef types declared below. */ struct Command; /* * The variable-length structure below describes a local variable of a * procedure that was recognized by the compiler. These variables have a * name, an element in the array of compiler-assigned local variables in the * procedure's call frame, and various other items of information. If the * local variable is a formal argument, it may also have a default value. * The compiler can't recognize local variables whose names are * expressions (these names are only known at runtime when the expressions * are evaluated) or local variables that are created as a result of an * "upvar" or "uplevel" command. These other local variables are kept * separately in a hash table in the call frame. */ typedef struct CompiledLocal { struct CompiledLocal *nextPtr; /* Next compiler-recognized local variable * for this procedure, or NULL if this is * the last local. */ int nameLength; /* The number of characters in local * variable's name. Used to speed up * variable lookups. */ int frameIndex; /* Index in the array of compiler-assigned * variables in the procedure call frame. */ int flags; /* Flag bits for the local variable. Same as * the flags for the Var structure above, * although only VAR_SCALAR, VAR_ARRAY, * VAR_LINK, VAR_ARGUMENT, VAR_TEMPORARY, and * VAR_RESOLVED make sense. */ Tcl_Obj *defValuePtr; /* Pointer to the default value of an * argument, if any. NULL if not an argument * or, if an argument, no default value. */ Tcl_ResolvedVarInfo *resolveInfo; /* Customized variable resolution info * supplied by the Tcl_ResolveCompiledVarProc * associated with a namespace. Each variable * is marked by a unique ClientData tag * during compilation, and that same tag * is used to find the variable at runtime. */ char name[4]; /* Name of the local variable starts here. * If the name is NULL, this will just be * '\0'. The actual size of this field will * be large enough to hold the name. MUST * BE THE LAST FIELD IN THE STRUCTURE! */ } CompiledLocal; /* * The structure below defines a command procedure, which consists of a * collection of Tcl commands plus information about arguments and other * local variables recognized at compile time. */ typedef struct Proc { struct Interp *iPtr; /* Interpreter for which this command * is defined. */ int refCount; /* Reference count: 1 if still present * in command table plus 1 for each call * to the procedure that is currently * active. This structure can be freed * when refCount becomes zero. */ struct Command *cmdPtr; /* Points to the Command structure for * this procedure. This is used to get * the namespace in which to execute * the procedure. */ Tcl_Obj *bodyPtr; /* Points to the ByteCode object for * procedure's body command. */ int numArgs; /* Number of formal parameters. */ int numCompiledLocals; /* Count of local variables recognized by * the compiler including arguments and * temporaries. */ CompiledLocal *firstLocalPtr; /* Pointer to first of the procedure's * compiler-allocated local variables, or * NULL if none. The first numArgs entries * in this list describe the procedure's * formal arguments. */ CompiledLocal *lastLocalPtr; /* Pointer to the last allocated local * variable or NULL if none. This has * frame index (numCompiledLocals-1). */ } Proc; /* * The structure below defines a command trace. This is used to allow Tcl * clients to find out whenever a command is about to be executed. */ typedef struct Trace { int level; /* Only trace commands at nesting level * less than or equal to this. */ Tcl_CmdObjTraceProc *proc; /* Procedure to call to trace command. */ ClientData clientData; /* Arbitrary value to pass to proc. */ struct Trace *nextPtr; /* Next in list of traces for this interp. */ int flags; /* Flags governing the trace - see * Tcl_CreateObjTrace for details */ Tcl_CmdObjTraceDeleteProc* delProc; /* Procedure to call when trace is deleted */ } Trace; /* * When an interpreter trace is active (i.e. its associated procedure * is executing), one of the following structures is linked into a list * associated with the interpreter. The information in the structure * is needed in order for Tcl to behave reasonably if traces are * deleted while traces are active. */ typedef struct ActiveInterpTrace { struct ActiveInterpTrace *nextPtr; /* Next in list of all active command * traces for the interpreter, or NULL * if no more. */ Trace *nextTracePtr; /* Next trace to check after current * trace procedure returns; if this * trace gets deleted, must update pointer * to avoid using free'd memory. */ int reverseScan; /* Boolean set true when the traces * are scanning in reverse order. */ } ActiveInterpTrace; /* * The structure below defines an entry in the assocData hash table which * is associated with an interpreter. The entry contains a pointer to a * function to call when the interpreter is deleted, and a pointer to * a user-defined piece of data. */ typedef struct AssocData { Tcl_InterpDeleteProc *proc; /* Proc to call when deleting. */ ClientData clientData; /* Value to pass to proc. */ } AssocData; /* * The structure below defines a call frame. A call frame defines a naming * context for a procedure call: its local naming scope (for local * variables) and its global naming scope (a namespace, perhaps 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 kind of Tcl call stack. * * WARNING!! The structure definition must be kept consistent with the * Tcl_CallFrame structure in tcl.h. If you change one, change the other. */ typedef struct CallFrame { Namespace *nsPtr; /* Points to the namespace used to resolve * commands and global variables. */ int isProcCallFrame; /* If nonzero, the frame was pushed to * execute a Tcl procedure and may have * local vars. If 0, the frame was pushed * to execute a namespace command and var * references are treated as references to * namespace vars; varTablePtr and * compiledLocals are ignored. */ int objc; /* This and objv below describe the * arguments for this procedure call. */ Tcl_Obj *CONST *objv; /* Array of argument objects. */ struct CallFrame *callerPtr; /* Value of interp->framePtr when this * procedure was invoked (i.e. next higher * in stack of all active procedures). */ struct CallFrame *callerVarPtr; /* Value of interp->varFramePtr when this * procedure was invoked (i.e. determines * variable scoping within caller). Same * as callerPtr unless an "uplevel" command * or something equivalent was active in * the caller). */ int level; /* Level of this procedure, for "uplevel" * purposes (i.e. corresponds to nesting of * callerVarPtr's, not callerPtr's). 1 for * outermost procedure, 0 for top-level. */ Proc *procPtr; /* Points to the structure defining the * called procedure. Used to get information * such as the number of compiled local * variables (local variables assigned * entries ["slots"] in the compiledLocals * array below). */ Tcl_HashTable *varTablePtr; /* Hash table containing local variables not * recognized by the compiler, or created at * execution time through, e.g., upvar. * Initially NULL and created if needed. */ int numCompiledLocals; /* Count of local variables recognized by * the compiler including arguments. */ Var* compiledLocals; /* Points to the array of local variables * recognized by the compiler. The compiler * emits code that refers to these variables * using an index into this array. */ } CallFrame; /* *---------------------------------------------------------------- * Data structures and procedures related to TclHandles, which * are a very lightweight method of preserving enough information * to determine if an arbitrary malloc'd block has been deleted. *---------------------------------------------------------------- */ typedef VOID **TclHandle; /* *---------------------------------------------------------------- * Data structures related to expressions. These are used only in * tclExpr.c. *---------------------------------------------------------------- */ /* * The data structure below defines a math function (e.g. sin or hypot) * for use in Tcl expressions. */ #define MAX_MATH_ARGS 5 typedef struct MathFunc { int builtinFuncIndex; /* If this is a builtin math function, its * index in the array of builtin functions. * (tclCompilation.h lists these indices.) * The value is -1 if this is a new function * defined by Tcl_CreateMathFunc. The value * is also -1 if a builtin function is * replaced by a Tcl_CreateMathFunc call. */ int numArgs; /* Number of arguments for function. */ Tcl_ValueType argTypes[MAX_MATH_ARGS]; /* Acceptable types for each argument. */ Tcl_MathProc *proc; /* Procedure that implements this function. * NULL if isBuiltinFunc is 1. */ ClientData clientData; /* Additional argument to pass to the * function when invoking it. NULL if * isBuiltinFunc is 1. */ } MathFunc; /* * These are a thin layer over TclpThreadKeyDataGet and TclpThreadKeyDataSet * when threads are used, or an emulation if there are no threads. These * are really internal and Tcl clients should use Tcl_GetThreadData. */ EXTERN VOID *TclThreadDataKeyGet _ANSI_ARGS_((Tcl_ThreadDataKey *keyPtr)); EXTERN void TclThreadDataKeySet _ANSI_ARGS_((Tcl_ThreadDataKey *keyPtr, VOID *data)); /* * This is a convenience macro used to initialize a thread local storage ptr. */ #define TCL_TSD_INIT(keyPtr) (ThreadSpecificData *)Tcl_GetThreadData((keyPtr), sizeof(ThreadSpecificData)) /* *---------------------------------------------------------------- * Data structures related to bytecode compilation and execution. * These are used primarily in tclCompile.c, tclExecute.c, and * tclBasic.c. *---------------------------------------------------------------- */ /* * Forward declaration to prevent errors when the forward references to * Tcl_Parse and CompileEnv are encountered in the procedure type * CompileProc declared below. */ struct CompileEnv; /* * The type of procedures called by the Tcl bytecode compiler to compile * commands. Pointers to these procedures are kept in the Command structure * describing each command. When a CompileProc returns, the interpreter's * result is set to error information, if any. In addition, the CompileProc * returns an integer value, which is one of the following: * * TCL_OK Compilation completed normally. * TCL_ERROR Compilation failed because of an error; * the interpreter's result describes what went wrong. * TCL_OUT_LINE_COMPILE Compilation failed because, e.g., the command is * too complex for effective inline compilation. The * CompileProc believes the command is legal but * should be compiled "out of line" by emitting code * to invoke its command procedure at runtime. */ #define TCL_OUT_LINE_COMPILE (TCL_CONTINUE + 1) typedef int (CompileProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *compEnvPtr)); /* * The type of procedure called from the compilation hook point in * SetByteCodeFromAny. */ typedef int (CompileHookProc) _ANSI_ARGS_((Tcl_Interp *interp, struct CompileEnv *compEnvPtr, ClientData clientData)); /* * The data structure defining the execution environment for ByteCode's. * There is one ExecEnv structure per Tcl interpreter. It holds the * evaluation stack that holds command operands and results. The stack grows * towards increasing addresses. The "stackTop" member is cached by * TclExecuteByteCode in a local variable: it must be set before calling * TclExecuteByteCode and will be restored by TclExecuteByteCode before it * returns. */ typedef struct ExecEnv { Tcl_Obj **stackPtr; /* Points to the first item in the * evaluation stack on the heap. */ int stackTop; /* Index of current top of stack; -1 when * the stack is empty. */ int stackEnd; /* Index of last usable item in stack. */ Tcl_Obj *errorInfo; Tcl_Obj *errorCode; } ExecEnv; /* * The definitions for the LiteralTable and LiteralEntry structures. Each * interpreter contains a LiteralTable. It is used to reduce the storage * needed for all the Tcl objects that hold the literals of scripts compiled * by the interpreter. A literal's object is shared by all the ByteCodes * that refer to the literal. Each distinct literal has one LiteralEntry * entry in the LiteralTable. A literal table is a specialized hash table * that is indexed by the literal's string representation, which may contain * null characters. * * Note that we reduce the space needed for literals by sharing literal * objects both within a ByteCode (each ByteCode contains a local * LiteralTable) and across all an interpreter's ByteCodes (with the * interpreter's global LiteralTable). */ typedef struct LiteralEntry { struct LiteralEntry *nextPtr; /* Points to next entry in this * hash bucket or NULL if end of * chain. */ Tcl_Obj *objPtr; /* Points to Tcl object that * holds the literal's bytes and * length. */ int refCount; /* If in an interpreter's global * literal table, the number of * ByteCode structures that share * the literal object; the literal * entry can be freed when refCount * drops to 0. If in a local literal * table, -1. */ } LiteralEntry; typedef struct LiteralTable { LiteralEntry **buckets; /* Pointer to bucket array. Each * element points to first entry in * bucket's hash chain, or NULL. */ LiteralEntry *staticBuckets[TCL_SMALL_HASH_TABLE]; /* Bucket array used for small * tables to avoid mallocs and * frees. */ int numBuckets; /* Total number of buckets allocated * at **buckets. */ int numEntries; /* Total number of entries present * in table. */ int rebuildSize; /* Enlarge table when numEntries * gets to be this large. */ int mask; /* Mask value used in hashing * function. */ } LiteralTable; /* * The following structure defines for each Tcl interpreter various * statistics-related information about the bytecode compiler and * interpreter's operation in that interpreter. */ #ifdef TCL_COMPILE_STATS typedef struct ByteCodeStats { long numExecutions; /* Number of ByteCodes executed. */ long numCompilations; /* Number of ByteCodes created. */ long numByteCodesFreed; /* Number of ByteCodes destroyed. */ long instructionCount[256]; /* Number of times each instruction was * executed. */ double totalSrcBytes; /* Total source bytes ever compiled. */ double totalByteCodeBytes; /* Total bytes for all ByteCodes. */ double currentSrcBytes; /* Src bytes for all current ByteCodes. */ double currentByteCodeBytes; /* Code bytes in all current ByteCodes. */ long srcCount[32]; /* Source size distribution: # of srcs of * size [2**(n-1)..2**n), n in [0..32). */ long byteCodeCount[32]; /* ByteCode size distribution. */ long lifetimeCount[32]; /* ByteCode lifetime distribution (ms). */ double currentInstBytes; /* Instruction bytes-current ByteCodes. */ double currentLitBytes; /* Current literal bytes. */ double currentExceptBytes; /* Current exception table bytes. */ double currentAuxBytes; /* Current auxiliary information bytes. */ double currentCmdMapBytes; /* Current src<->code map bytes. */ long numLiteralsCreated; /* Total literal objects ever compiled. */ double totalLitStringBytes; /* Total string bytes in all literals. */ double currentLitStringBytes; /* String bytes in current literals. */ long literalCount[32]; /* Distribution of literal string sizes. */ } ByteCodeStats; #endif /* TCL_COMPILE_STATS */ /* *---------------------------------------------------------------- * Data structures related to commands. *---------------------------------------------------------------- */ /* * An imported command is created in an namespace when it imports a "real" * command from another namespace. An imported command has a Command * structure that points (via its ClientData value) to the "real" Command * structure in the source namespace's command table. The real command * records all the imported commands that refer to it in a list of ImportRef * structures so that they can be deleted when the real command is deleted. */ typedef struct ImportRef { struct Command *importedCmdPtr; /* Points to the imported command created in * an importing namespace; this command * redirects its invocations to the "real" * command. */ struct ImportRef *nextPtr; /* Next element on the linked list of * imported commands that refer to the * "real" command. The real command deletes * these imported commands on this list when * it is deleted. */ } ImportRef; /* * Data structure used as the ClientData of imported commands: commands * created in an namespace when it imports a "real" command from another * namespace. */ typedef struct ImportedCmdData { struct Command *realCmdPtr; /* "Real" command that this imported command * refers to. */ struct Command *selfPtr; /* Pointer to this imported command. Needed * only when deleting it in order to remove * it from the real command's linked list of * imported commands that refer to it. */ } ImportedCmdData; /* * A Command structure exists for each command in a namespace. The * Tcl_Command opaque type actually refers to these structures. */ typedef struct Command { Tcl_HashEntry *hPtr; /* Pointer to the hash table entry that * refers to this command. The hash table is * either a namespace's command table or an * interpreter's hidden command table. This * pointer is used to get a command's name * from its Tcl_Command handle. NULL means * that the hash table entry has been * removed already (this can happen if * deleteProc causes the command to be * deleted or recreated). */ Namespace *nsPtr; /* Points to the namespace containing this * command. */ int refCount; /* 1 if in command hashtable plus 1 for each * reference from a CmdName Tcl object * representing a command's name in a * ByteCode instruction sequence. This * structure can be freed when refCount * becomes zero. */ int cmdEpoch; /* Incremented to invalidate any references * that point to this command when it is * renamed, deleted, hidden, or exposed. */ CompileProc *compileProc; /* Procedure called to compile command. NULL * if no compile proc exists for command. */ Tcl_ObjCmdProc *objProc; /* Object-based command procedure. */ ClientData objClientData; /* Arbitrary value passed to object proc. */ Tcl_CmdProc *proc; /* String-based command procedure. */ ClientData clientData; /* Arbitrary value passed to string proc. */ Tcl_CmdDeleteProc *deleteProc; /* Procedure invoked when deleting command * to, e.g., free all client data. */ ClientData deleteData; /* Arbitrary value passed to deleteProc. */ int flags; /* Miscellaneous bits of information about * command. See below for definitions. */ ImportRef *importRefPtr; /* List of each imported Command created in * another namespace when this command is * imported. These imported commands * redirect invocations back to this * command. The list is used to remove all * those imported commands when deleting * this "real" command. */ CommandTrace *tracePtr; /* First in list of all traces set for this * command. */ } Command; /* * Flag bits for commands. * * CMD_IS_DELETED - Means that the command is in the process * of being deleted (its deleteProc is * currently executing). Other attempts to * delete the command should be ignored. * CMD_TRACE_ACTIVE - 1 means that trace processing is currently * underway for a rename/delete change. * See the two flags below for which is * currently being processed. * CMD_HAS_EXEC_TRACES - 1 means that this command has at least * one execution trace (as opposed to simple * delete/rename traces) in its tracePtr list. * TCL_TRACE_RENAME - A rename trace is in progress. Further * recursive renames will not be traced. * TCL_TRACE_DELETE - A delete trace is in progress. Further * recursive deletes will not be traced. * (these last two flags are defined in tcl.h) */ #define CMD_IS_DELETED 0x1 #define CMD_TRACE_ACTIVE 0x2 #define CMD_HAS_EXEC_TRACES 0x4 /* *---------------------------------------------------------------- * Data structures related to name resolution procedures. *---------------------------------------------------------------- */ /* * The interpreter keeps a linked list of name resolution schemes. * The scheme for a namespace is consulted first, followed by the * list of schemes in an interpreter, followed by the default * name resolution in Tcl. Schemes are added/removed from the * interpreter's list by calling Tcl_AddInterpResolver and * Tcl_RemoveInterpResolver. */ typedef struct ResolverScheme { char *name; /* Name identifying this scheme. */ Tcl_ResolveCmdProc *cmdResProc; /* Procedure handling command name * resolution. */ Tcl_ResolveVarProc *varResProc; /* Procedure handling variable name * resolution for variables that * can only be handled at runtime. */ Tcl_ResolveCompiledVarProc *compiledVarResProc; /* Procedure handling variable name * resolution at compile time. */ struct ResolverScheme *nextPtr; /* Pointer to next record in linked list. */ } ResolverScheme; /* *---------------------------------------------------------------- * This structure defines an interpreter, which is a collection of * commands plus other state information related to interpreting * commands, such as variable storage. Primary responsibility for * this data structure is in tclBasic.c, but almost every Tcl * source file uses something in here. *---------------------------------------------------------------- */ typedef struct Interp { /* * Note: the first three fields must match exactly the fields in * a Tcl_Interp struct (see tcl.h). If you change one, be sure to * change the other. * * The interpreter's result is held in both the string and the * objResultPtr fields. These fields hold, respectively, the result's * string or object value. The interpreter's result is always in the * result field if that is non-empty, otherwise it is in objResultPtr. * The two fields are kept consistent unless some C code sets * interp->result directly. Programs should not access result and * objResultPtr directly; instead, they should always get and set the * result using procedures such as Tcl_SetObjResult, Tcl_GetObjResult, * and Tcl_GetStringResult. See the SetResult man page for details. */ char *result; /* If the last command returned a string * result, this points to it. Should not be * accessed directly; see comment above. */ Tcl_FreeProc *freeProc; /* Zero means a string result is statically * allocated. TCL_DYNAMIC means string * result was allocated with ckalloc and * should be freed with ckfree. Other values * give address of procedure to invoke to * free the string result. Tcl_Eval must * free it before executing next command. */ int errorLine; /* When TCL_ERROR is returned, this gives * the line number in the command where the * error occurred (1 means first line). */ struct TclStubs *stubTable; /* Pointer to the exported Tcl stub table. * On previous versions of Tcl this is a * pointer to the objResultPtr or a pointer * to a buckets array in a hash table. We * therefore have to do some careful checking * before we can use this. */ TclHandle handle; /* Handle used to keep track of when this * interp is deleted. */ Namespace *globalNsPtr; /* The interpreter's global namespace. */ Tcl_HashTable *hiddenCmdTablePtr; /* Hash table used by tclBasic.c to keep * track of hidden commands on a per-interp * basis. */ ClientData interpInfo; /* Information used by tclInterp.c to keep * track of master/slave interps on * a per-interp basis. */ Tcl_HashTable mathFuncTable;/* Contains all the math functions currently * defined for the interpreter. Indexed by * strings (function names); values have * type (MathFunc *). */ /* * Information related to procedures and variables. See tclProc.c * and tclVar.c for usage. */ int numLevels; /* Keeps track of how many nested calls to * Tcl_Eval are in progress for this * interpreter. It's used to delay deletion * of the table until all Tcl_Eval * invocations are completed. */ int maxNestingDepth; /* If numLevels exceeds this value then Tcl * assumes that infinite recursion has * occurred and it generates an error. */ CallFrame *framePtr; /* Points to top-most in stack of all nested * procedure invocations. NULL means there * are no active procedures. */ CallFrame *varFramePtr; /* Points to the call frame whose variables * are currently in use (same as framePtr * unless an "uplevel" command is * executing). NULL means no procedure is * active or "uplevel 0" is executing. */ ActiveVarTrace *activeVarTracePtr; /* First in list of active traces for * interp, or NULL if no active traces. */ int returnCode; /* Completion code to return if current * procedure exits with TCL_RETURN code. */ char *errorInfo; /* Value to store in errorInfo if returnCode * is TCL_ERROR. Malloc'ed, may be NULL */ char *errorCode; /* Value to store in errorCode if returnCode * is TCL_ERROR. Malloc'ed, may be NULL */ /* * Information used by Tcl_AppendResult to keep track of partial * results. See Tcl_AppendResult code for details. */ char *appendResult; /* Storage space for results generated * by Tcl_AppendResult. Malloc-ed. NULL * means not yet allocated. */ int appendAvl; /* Total amount of space available at * partialResult. */ int appendUsed; /* Number of non-null bytes currently * stored at partialResult. */ /* * Information about packages. Used only in tclPkg.c. */ Tcl_HashTable packageTable; /* Describes all of the packages loaded * in or available to this interpreter. * Keys are package names, values are * (Package *) pointers. */ char *packageUnknown; /* Command to invoke during "package * require" commands for packages that * aren't described in packageTable. * Malloc'ed, may be NULL. */ /* * Miscellaneous information: */ int cmdCount; /* Total number of times a command procedure * has been called for this interpreter. */ int evalFlags; /* Flags to control next call to Tcl_Eval. * Normally zero, but may be set before * calling Tcl_Eval. See below for valid * values. */ int termOffset; /* Offset of character just after last one * compiled or executed by Tcl_EvalObj. */ LiteralTable literalTable; /* Contains LiteralEntry's describing all * Tcl objects holding literals of scripts * compiled by the interpreter. Indexed by * the string representations of literals. * Used to avoid creating duplicate * objects. */ int compileEpoch; /* Holds the current "compilation epoch" * for this interpreter. This is * incremented to invalidate existing * ByteCodes when, e.g., a command with a * compile procedure is redefined. */ Proc *compiledProcPtr; /* If a procedure is being compiled, a * pointer to its Proc structure; otherwise, * this is NULL. Set by ObjInterpProc in * tclProc.c and used by tclCompile.c to * process local variables appropriately. */ ResolverScheme *resolverPtr; /* Linked list of name resolution schemes * added to this interpreter. Schemes * are added/removed by calling * Tcl_AddInterpResolvers and * Tcl_RemoveInterpResolver. */ Tcl_Obj *scriptFile; /* NULL means there is no nested source * command active; otherwise this points to * pathPtr of the file being sourced. */ int flags; /* Various flag bits. See below. */ long randSeed; /* Seed used for rand() function. */ Trace *tracePtr; /* List of traces for this interpreter. */ Tcl_HashTable *assocData; /* Hash table for associating data with * this interpreter. Cleaned up when * this interpreter is deleted. */ struct ExecEnv *execEnvPtr; /* Execution environment for Tcl bytecode * execution. Contains a pointer to the * Tcl evaluation stack. */ Tcl_Obj *emptyObjPtr; /* Points to an object holding an empty * string. Returned by Tcl_ObjSetVar2 when * variable traces change a variable in a * gross way. */ char resultSpace[TCL_RESULT_SIZE+1]; /* Static space holding small results. */ Tcl_Obj *objResultPtr; /* If the last command returned an object * result, this points to it. Should not be * accessed directly; see comment above. */ Tcl_ThreadId threadId; /* ID of thread that owns the interpreter */ ActiveCommandTrace *activeCmdTracePtr; /* First in list of active command traces for * interp, or NULL if no active traces. */ ActiveInterpTrace *activeInterpTracePtr; /* First in list of active traces for * interp, or NULL if no active traces. */ int tracesForbiddingInline; /* Count of traces (in the list headed by * tracePtr) that forbid inline bytecode * compilation */ /* * Statistical information about the bytecode compiler and interpreter's * operation. */ #ifdef TCL_COMPILE_STATS ByteCodeStats stats; /* Holds compilation and execution * statistics for this interpreter. */ #endif /* TCL_COMPILE_STATS */ } Interp; /* * EvalFlag bits for Interp structures: * * TCL_BRACKET_TERM 1 means that the current script is terminated by * a close bracket rather than the end of the string. * TCL_ALLOW_EXCEPTIONS 1 means it's OK for the script to terminate with * a code other than TCL_OK or TCL_ERROR; 0 means * codes other than these should be turned into errors. */ #define TCL_BRACKET_TERM 1 #define TCL_ALLOW_EXCEPTIONS 4 /* * Flag bits for Interp structures: * * DELETED: Non-zero means the interpreter has been deleted: * don't process any more commands for it, and destroy * the structure as soon as all nested invocations of * Tcl_Eval are done. * ERR_IN_PROGRESS: Non-zero means an error unwind is already in * progress. Zero means a command proc has been * invoked since last error occured. * ERR_ALREADY_LOGGED: Non-zero means information has already been logged * in $errorInfo for the current Tcl_Eval instance, * so Tcl_Eval needn't log it (used to implement the * "error message log" command). * ERROR_CODE_SET: Non-zero means that Tcl_SetErrorCode has been * called to record information for the current * error. Zero means Tcl_Eval must clear the * errorCode variable if an error is returned. * EXPR_INITIALIZED: Non-zero means initialization specific to * expressions has been carried out. * DONT_COMPILE_CMDS_INLINE: Non-zero means that the bytecode compiler * should not compile any commands into an inline * sequence of instructions. This is set 1, for * example, when command traces are requested. * RAND_SEED_INITIALIZED: Non-zero means that the randSeed value of the * interp has not be initialized. This is set 1 * when we first use the rand() or srand() functions. * SAFE_INTERP: Non zero means that the current interp is a * safe interp (ie it has only the safe commands * installed, less priviledge than a regular interp). * USE_EVAL_DIRECT: Non-zero means don't use the compiler or byte-code * interpreter; instead, have Tcl_EvalObj call * Tcl_EvalEx. Used primarily for testing the * new parser. * INTERP_TRACE_IN_PROGRESS: Non-zero means that an interp trace is currently * active; so no further trace callbacks should be * invoked. */ #define DELETED 1 #define ERR_IN_PROGRESS 2 #define ERR_ALREADY_LOGGED 4 #define ERROR_CODE_SET 8 #define EXPR_INITIALIZED 0x10 #define DONT_COMPILE_CMDS_INLINE 0x20 #define RAND_SEED_INITIALIZED 0x40 #define SAFE_INTERP 0x80 #define USE_EVAL_DIRECT 0x100 #define INTERP_TRACE_IN_PROGRESS 0x200 /* * Maximum number of levels of nesting permitted in Tcl commands (used * to catch infinite recursion). */ #define MAX_NESTING_DEPTH 1000 /* * 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)) /* * This macro is used to determine the offset needed to safely allocate any * data structure in memory. Given a starting offset or size, it "rounds up" * or "aligns" the offset to the next 8-byte boundary so that any data * structure can be placed at the resulting offset without fear of an * alignment error. * * WARNING!! DO NOT USE THIS MACRO TO ALIGN POINTERS: it will produce * the wrong result on platforms that allocate addresses that are divisible * by 4 or 2. Only use it for offsets or sizes. */ #define TCL_ALIGN(x) (((int)(x) + 7) & ~7) /* * The following enum values are used to specify the runtime platform * setting of the tclPlatform variable. */ typedef enum { TCL_PLATFORM_UNIX, /* Any Unix-like OS. */ TCL_PLATFORM_MAC, /* MacOS. */ TCL_PLATFORM_WINDOWS /* Any Microsoft Windows OS. */ } TclPlatformType; /* * The following enum values are used to indicate the translation * of a Tcl channel. Declared here so that each platform can define * TCL_PLATFORM_TRANSLATION to the native translation on that platform */ typedef enum TclEolTranslation { TCL_TRANSLATE_AUTO, /* Eol == \r, \n and \r\n. */ TCL_TRANSLATE_CR, /* Eol == \r. */ TCL_TRANSLATE_LF, /* Eol == \n. */ TCL_TRANSLATE_CRLF /* Eol == \r\n. */ } TclEolTranslation; /* * Flags for TclInvoke: * * TCL_INVOKE_HIDDEN Invoke a hidden command; if not set, * invokes an exposed command. * TCL_INVOKE_NO_UNKNOWN If set, "unknown" is not invoked if * the command to be invoked is not found. * Only has an effect if invoking an exposed * command, i.e. if TCL_INVOKE_HIDDEN is not * also set. * TCL_INVOKE_NO_TRACEBACK Does not record traceback information if * the invoked command returns an error. Used * if the caller plans on recording its own * traceback information. */ #define TCL_INVOKE_HIDDEN (1<<0) #define TCL_INVOKE_NO_UNKNOWN (1<<1) #define TCL_INVOKE_NO_TRACEBACK (1<<2) /* * The structure used as the internal representation of Tcl list * objects. This is an array of pointers to the element objects. This array * is grown (reallocated and copied) as necessary to hold all the list's * element pointers. The array might contain more slots than currently used * to hold all element pointers. This is done to make append operations * faster. */ typedef struct List { int maxElemCount; /* Total number of element array slots. */ int elemCount; /* Current number of list elements. */ Tcl_Obj **elements; /* Array of pointers to element objects. */ } List; /* * The following types are used for getting and storing platform-specific * file attributes in tclFCmd.c and the various platform-versions of * that file. This is done to have as much common code as possible * in the file attributes code. For more information about the callbacks, * see TclFileAttrsCmd in tclFCmd.c. */ typedef int (TclGetFileAttrProc) _ANSI_ARGS_((Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj **attrObjPtrPtr)); typedef int (TclSetFileAttrProc) _ANSI_ARGS_((Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj *attrObjPtr)); typedef struct TclFileAttrProcs { TclGetFileAttrProc *getProc; /* The procedure for getting attrs. */ TclSetFileAttrProc *setProc; /* The procedure for setting attrs. */ } TclFileAttrProcs; /* * Opaque handle used in pipeline routines to encapsulate platform-dependent * state. */ typedef struct TclFile_ *TclFile; /* * Opaque names for platform specific types. */ typedef struct TclpTime_t_ *TclpTime_t; /* * The "globParameters" argument of the function TclGlob is an * or'ed combination of the following values: */ #define TCL_GLOBMODE_NO_COMPLAIN 1 #define TCL_GLOBMODE_JOIN 2 #define TCL_GLOBMODE_DIR 4 #define TCL_GLOBMODE_TAILS 8 /* *---------------------------------------------------------------- * Data structures related to obsolete filesystem hooks *---------------------------------------------------------------- */ typedef int (TclStatProc_) _ANSI_ARGS_((CONST char *path, struct stat *buf)); typedef int (TclAccessProc_) _ANSI_ARGS_((CONST char *path, int mode)); typedef Tcl_Channel (TclOpenFileChannelProc_) _ANSI_ARGS_((Tcl_Interp *interp, CONST char *fileName, CONST char *modeString, int permissions)); /* *---------------------------------------------------------------- * Data structures related to procedures *---------------------------------------------------------------- */ typedef Tcl_CmdProc *TclCmdProcType; typedef Tcl_ObjCmdProc *TclObjCmdProcType; /* *---------------------------------------------------------------- * Variables shared among Tcl modules but not used by the outside world. *---------------------------------------------------------------- */ extern Tcl_Time tclBlockTime; extern int tclBlockTimeSet; extern char * tclExecutableName; extern char * tclNativeExecutableName; extern char * tclDefaultEncodingDir; extern Tcl_ChannelType tclFileChannelType; extern char * tclMemDumpFileName; extern TclPlatformType tclPlatform; extern Tcl_NotifierProcs tclOriginalNotifier; /* * Variables denoting the Tcl object types defined in the core. */ extern Tcl_ObjType tclBooleanType; extern Tcl_ObjType tclByteArrayType; extern Tcl_ObjType tclByteCodeType; extern Tcl_ObjType tclDoubleType; extern Tcl_ObjType tclEndOffsetType; extern Tcl_ObjType tclIntType; extern Tcl_ObjType tclListType; extern Tcl_ObjType tclProcBodyType; extern Tcl_ObjType tclStringType; extern Tcl_ObjType tclArraySearchType; extern Tcl_ObjType tclIndexType; extern Tcl_ObjType tclNsNameType; extern Tcl_ObjType tclWideIntType; /* * Variables denoting the hash key types defined in the core. */ extern Tcl_HashKeyType tclArrayHashKeyType; extern Tcl_HashKeyType tclOneWordHashKeyType; extern Tcl_HashKeyType tclStringHashKeyType; extern Tcl_HashKeyType tclObjHashKeyType; /* * The head of the list of free Tcl objects, and the total number of Tcl * objects ever allocated and freed. */ extern Tcl_Obj * tclFreeObjList; #ifdef TCL_COMPILE_STATS extern long tclObjsAlloced; extern long tclObjsFreed; #define TCL_MAX_SHARED_OBJ_STATS 5 extern long tclObjsShared[TCL_MAX_SHARED_OBJ_STATS]; #endif /* TCL_COMPILE_STATS */ /* * Pointer to a heap-allocated string of length zero that the Tcl core uses * as the value of an empty string representation for an object. This value * is shared by all new objects allocated by Tcl_NewObj. */ extern char * tclEmptyStringRep; extern char tclEmptyString; /* *---------------------------------------------------------------- * Procedures shared among Tcl modules but not used by the outside * world: *---------------------------------------------------------------- */ EXTERN int TclArraySet _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *arrayNameObj, Tcl_Obj *arrayElemObj)); EXTERN int TclCheckBadOctal _ANSI_ARGS_((Tcl_Interp *interp, CONST char *value)); EXTERN void TclDeleteNamespaceVars _ANSI_ARGS_((Namespace *nsPtr)); EXTERN void TclExpandTokenArray _ANSI_ARGS_(( Tcl_Parse *parsePtr)); EXTERN int TclFileAttrsCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int TclFileCopyCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])) ; EXTERN int TclFileDeleteCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int TclFileMakeDirsCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])) ; EXTERN int TclFileRenameCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])) ; EXTERN void TclFinalizeAllocSubsystem _ANSI_ARGS_((void)); EXTERN void TclFinalizeAsync _ANSI_ARGS_((void)); EXTERN void TclFinalizeCompilation _ANSI_ARGS_((void)); EXTERN void TclFinalizeEncodingSubsystem _ANSI_ARGS_((void)); EXTERN void TclFinalizeEnvironment _ANSI_ARGS_((void)); EXTERN void TclFinalizeExecution _ANSI_ARGS_((void)); EXTERN void TclFinalizeIOSubsystem _ANSI_ARGS_((void)); EXTERN void TclFinalizeFilesystem _ANSI_ARGS_((void)); EXTERN void TclResetFilesystem _ANSI_ARGS_((void)); EXTERN void TclFinalizeLoad _ANSI_ARGS_((void)); EXTERN void TclFinalizeLock _ANSI_ARGS_((void)); EXTERN void TclFinalizeMemorySubsystem _ANSI_ARGS_((void)); EXTERN void TclFinalizeNotifier _ANSI_ARGS_((void)); EXTERN void TclFinalizeObjects _ANSI_ARGS_((void)); EXTERN void TclFinalizePreserve _ANSI_ARGS_((void)); EXTERN void TclFinalizeSynchronization _ANSI_ARGS_((void)); EXTERN void TclFinalizeThreadData _ANSI_ARGS_((void)); EXTERN int TclGetEncodingFromObj _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *objPtr, Tcl_Encoding *encodingPtr)); EXTERN int TclGlob _ANSI_ARGS_((Tcl_Interp *interp, char *pattern, Tcl_Obj *unquotedPrefix, int globFlags, Tcl_GlobTypeData* types)); EXTERN void TclInitAlloc _ANSI_ARGS_((void)); EXTERN void TclInitDbCkalloc _ANSI_ARGS_((void)); EXTERN void TclInitEncodingSubsystem _ANSI_ARGS_((void)); EXTERN void TclInitIOSubsystem _ANSI_ARGS_((void)); EXTERN void TclInitNamespaceSubsystem _ANSI_ARGS_((void)); EXTERN void TclInitNotifier _ANSI_ARGS_((void)); EXTERN void TclInitObjSubsystem _ANSI_ARGS_((void)); EXTERN void TclInitSubsystems _ANSI_ARGS_((CONST char *argv0)); EXTERN int TclIsLocalScalar _ANSI_ARGS_((CONST char *src, int len)); EXTERN int TclJoinThread _ANSI_ARGS_((Tcl_ThreadId id, int* result)); EXTERN Tcl_Obj * TclLindexList _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, Tcl_Obj* argPtr )); EXTERN Tcl_Obj * TclLindexFlat _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, int indexCount, Tcl_Obj *CONST indexArray[] )); EXTERN Tcl_Obj * TclLsetList _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, Tcl_Obj* indexPtr, Tcl_Obj* valuePtr )); EXTERN Tcl_Obj * TclLsetFlat _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, int indexCount, Tcl_Obj *CONST indexArray[], Tcl_Obj* valuePtr )); EXTERN int TclParseBackslash _ANSI_ARGS_((CONST char *src, int numBytes, int *readPtr, char *dst)); EXTERN int TclParseHex _ANSI_ARGS_((CONST char *src, int numBytes, Tcl_UniChar *resultPtr)); EXTERN int TclParseInteger _ANSI_ARGS_((CONST char *string, int numBytes)); EXTERN int TclParseWhiteSpace _ANSI_ARGS_((CONST char *src, int numBytes, Tcl_Parse *parsePtr, char *typePtr)); EXTERN int TclpObjAccess _ANSI_ARGS_((Tcl_Obj *filename, int mode)); EXTERN int TclpObjLstat _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_StatBuf *buf)); EXTERN int TclpCheckStackSpace _ANSI_ARGS_((void)); EXTERN Tcl_Obj* TclpTempFileName _ANSI_ARGS_((void)); EXTERN Tcl_Obj* TclNewFSPathObj _ANSI_ARGS_((Tcl_Obj *dirPtr, CONST char *addStrRep, int len)); EXTERN int TclpDeleteFile _ANSI_ARGS_((CONST char *path)); EXTERN void TclpFinalizeCondition _ANSI_ARGS_(( Tcl_Condition *condPtr)); EXTERN void TclpFinalizeMutex _ANSI_ARGS_((Tcl_Mutex *mutexPtr)); EXTERN void TclpFinalizePipes _ANSI_ARGS_((void)); EXTERN void TclpFinalizeSockets _ANSI_ARGS_((void)); EXTERN void TclpFinalizeThreadData _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); EXTERN void TclpFinalizeThreadDataKey _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); EXTERN char * TclpFindExecutable _ANSI_ARGS_(( CONST char *argv0)); EXTERN int TclpFindVariable _ANSI_ARGS_((CONST char *name, int *lengthPtr)); EXTERN int TclpInitLibraryPath _ANSI_ARGS_((CONST char *argv0)); EXTERN void TclpInitLock _ANSI_ARGS_((void)); EXTERN void TclpInitPlatform _ANSI_ARGS_((void)); EXTERN void TclpInitUnlock _ANSI_ARGS_((void)); EXTERN int TclpLoadFile _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, CONST char *sym1, CONST char *sym2, Tcl_PackageInitProc **proc1Ptr, Tcl_PackageInitProc **proc2Ptr, ClientData *clientDataPtr, Tcl_FSUnloadFileProc **unloadProcPtr)); EXTERN Tcl_Obj* TclpObjListVolumes _ANSI_ARGS_((void)); EXTERN void TclpMasterLock _ANSI_ARGS_((void)); EXTERN void TclpMasterUnlock _ANSI_ARGS_((void)); EXTERN int TclpMatchFiles _ANSI_ARGS_((Tcl_Interp *interp, char *separators, Tcl_DString *dirPtr, char *pattern, char *tail)); EXTERN int TclpObjNormalizePath _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, int nextCheckpoint)); EXTERN int TclpObjCreateDirectory _ANSI_ARGS_((Tcl_Obj *pathPtr)); EXTERN void TclpNativeJoinPath _ANSI_ARGS_((Tcl_Obj *prefix, char *joining)); EXTERN Tcl_Obj* TclpNativeSplitPath _ANSI_ARGS_((Tcl_Obj *pathPtr, int *lenPtr)); EXTERN Tcl_PathType TclpGetNativePathType _ANSI_ARGS_((Tcl_Obj *pathObjPtr, int *driveNameLengthPtr, Tcl_Obj **driveNameRef)); EXTERN int TclCrossFilesystemCopy _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *source, Tcl_Obj *target)); EXTERN int TclpObjDeleteFile _ANSI_ARGS_((Tcl_Obj *pathPtr)); EXTERN int TclpObjCopyDirectory _ANSI_ARGS_((Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr, Tcl_Obj **errorPtr)); EXTERN int TclpObjCopyFile _ANSI_ARGS_((Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr)); EXTERN int TclpObjRemoveDirectory _ANSI_ARGS_((Tcl_Obj *pathPtr, int recursive, Tcl_Obj **errorPtr)); EXTERN int TclpObjRenameFile _ANSI_ARGS_((Tcl_Obj *srcPathPtr, Tcl_Obj *destPathPtr)); EXTERN int TclpMatchInDirectory _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *resultPtr, Tcl_Obj *pathPtr, CONST char *pattern, Tcl_GlobTypeData *types)); EXTERN Tcl_Obj* TclpObjGetCwd _ANSI_ARGS_((Tcl_Interp *interp)); EXTERN Tcl_Obj* TclpObjLink _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_Obj *toPtr, int linkType)); EXTERN int TclpObjChdir _ANSI_ARGS_((Tcl_Obj *pathPtr)); EXTERN Tcl_Obj* TclFileDirname _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj*pathPtr)); EXTERN int TclpObjStat _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_StatBuf *buf)); EXTERN Tcl_Channel TclpOpenFileChannel _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, int mode, int permissions)); EXTERN void TclpPanic _ANSI_ARGS_(TCL_VARARGS(CONST char *, format)); EXTERN char * TclpReadlink _ANSI_ARGS_((CONST char *fileName, Tcl_DString *linkPtr)); EXTERN void TclpReleaseFile _ANSI_ARGS_((TclFile file)); EXTERN void TclpSetVariables _ANSI_ARGS_((Tcl_Interp *interp)); EXTERN void TclpUnloadFile _ANSI_ARGS_((Tcl_LoadHandle loadHandle)); EXTERN VOID * TclpThreadDataKeyGet _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); EXTERN void TclpThreadDataKeyInit _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); EXTERN void TclpThreadDataKeySet _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr, VOID *data)); EXTERN int TclpThreadCreate _ANSI_ARGS_(( Tcl_ThreadId *idPtr, Tcl_ThreadCreateProc proc, ClientData clientData, int stackSize, int flags)); EXTERN void TclpThreadExit _ANSI_ARGS_((int status)); EXTERN void TclRememberCondition _ANSI_ARGS_((Tcl_Condition *mutex)); EXTERN void TclRememberDataKey _ANSI_ARGS_((Tcl_ThreadDataKey *mutex)); EXTERN VOID TclRememberJoinableThread _ANSI_ARGS_((Tcl_ThreadId id)); EXTERN void TclRememberMutex _ANSI_ARGS_((Tcl_Mutex *mutex)); EXTERN VOID TclSignalExitThread _ANSI_ARGS_((Tcl_ThreadId id, int result)); EXTERN void TclTransferResult _ANSI_ARGS_((Tcl_Interp *sourceInterp, int result, Tcl_Interp *targetInterp)); EXTERN Tcl_Obj* TclpNativeToNormalized _ANSI_ARGS_((ClientData clientData)); EXTERN Tcl_Obj* TclpFilesystemPathType _ANSI_ARGS_((Tcl_Obj* pathObjPtr)); EXTERN Tcl_PackageInitProc* TclpFindSymbol _ANSI_ARGS_((Tcl_Interp *interp, Tcl_LoadHandle loadHandle, CONST char *symbol)); EXTERN int TclpDlopen _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, Tcl_LoadHandle *loadHandle, Tcl_FSUnloadFileProc **unloadProcPtr)); EXTERN int TclpUtime _ANSI_ARGS_((Tcl_Obj *pathPtr, struct utimbuf *tval)); #ifdef TCL_LOAD_FROM_MEMORY EXTERN void* TclpLoadMemoryGetBuffer _ANSI_ARGS_(( Tcl_Interp *interp, int size)); EXTERN int TclpLoadMemory _ANSI_ARGS_((Tcl_Interp *interp, void *buffer, int size, int codeSize, Tcl_LoadHandle *loadHandle, Tcl_FSUnloadFileProc **unloadProcPtr)); #endif /* *---------------------------------------------------------------- * Command procedures in the generic core: *---------------------------------------------------------------- */ EXTERN int Tcl_AfterObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_AppendObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ArrayObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_BinaryObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_BreakObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_CaseObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_CatchObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_CdObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ClockObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_CloseObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ConcatObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ContinueObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_EncodingObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_EofObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ErrorObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_EvalObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ExecObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ExitObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ExprObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FblockedObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FconfigureObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FcopyObjCmd _ANSI_ARGS_((ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FileObjCmd _ANSI_ARGS_((ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FileEventObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FlushObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ForObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ForeachObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_FormatObjCmd _ANSI_ARGS_((ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_GetsObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_GlobalObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_GlobObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_IfObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_IncrObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_InfoObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_InterpObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_JoinObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LappendObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LindexObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LinsertObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LlengthObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ListObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LoadObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LrangeObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LreplaceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LsearchObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LsetObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp* interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_LsortObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_NamespaceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_OpenObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_PackageObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_PidObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_PutsObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_PwdObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ReadObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_RegexpObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_RegsubObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_RenameObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ReturnObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ScanObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SeekObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SetObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SplitObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SocketObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SourceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_StringObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SubstObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_SwitchObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_TellObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_TimeObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_TraceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_UnsetObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_UpdateObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_UplevelObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_UpvarObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_VariableObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_VwaitObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_WhileObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); /* *---------------------------------------------------------------- * Command procedures found only in the Mac version of the core: *---------------------------------------------------------------- */ #ifdef MAC_TCL EXTERN int Tcl_EchoCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int argc, CONST84 char **argv)); EXTERN int Tcl_LsObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_BeepObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_MacSourceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); EXTERN int Tcl_ResourceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); #endif /* *---------------------------------------------------------------- * Compilation procedures for commands in the generic core: *---------------------------------------------------------------- */ EXTERN int TclCompileAppendCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileBreakCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileCatchCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileContinueCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileExprCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileForCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileForeachCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileIfCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileIncrCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileLappendCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileLindexCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileListCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileLlengthCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileLsetCmd _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Parse* parsePtr, struct CompileEnv* envPtr)); EXTERN int TclCompileRegexpCmd _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Parse* parsePtr, struct CompileEnv* envPtr)); EXTERN int TclCompileReturnCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileSetCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileStringCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); EXTERN int TclCompileWhileCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); /* * Functions defined in generic/tclVar.c and currenttly exported only * for use by the bytecode compiler and engine. Some of these could later * be placed in the public interface. */ EXTERN Var * TclLookupArrayElement _ANSI_ARGS_((Tcl_Interp *interp, CONST char *arrayName, CONST char *elName, CONST int flags, CONST char *msg, CONST int createPart1, CONST int createPart2, Var *arrayPtr)); EXTERN Var * TclObjLookupVar _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *part1Ptr, CONST char *part2, int flags, CONST char *msg, CONST int createPart1, CONST int createPart2, Var **arrayPtrPtr)); EXTERN Tcl_Obj *TclPtrGetVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, CONST int flags)); EXTERN Tcl_Obj *TclPtrSetVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, Tcl_Obj *newValuePtr, CONST int flags)); EXTERN Tcl_Obj *TclPtrIncrVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, CONST long i, CONST int flags)); /* *---------------------------------------------------------------- * Macros used by the Tcl core to create and release Tcl objects. * TclNewObj(objPtr) creates a new object denoting an empty string. * TclDecrRefCount(objPtr) decrements the object's reference count, * and frees the object if its reference count is zero. * These macros are inline versions of Tcl_NewObj() and * Tcl_DecrRefCount(). Notice that the names differ in not having * a "_" after the "Tcl". Notice also that these macros reference * their argument more than once, so you should avoid calling them * with an expression that is expensive to compute or has * side effects. The ANSI C "prototypes" for these macros are: * * EXTERN void TclNewObj _ANSI_ARGS_((Tcl_Obj *objPtr)); * EXTERN void TclDecrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr)); * * These macros are defined in terms of two macros that depend on * memory allocator in use: TclAllocObjStorage, TclFreeObjStorage. * They are defined below. *---------------------------------------------------------------- */ #ifdef TCL_COMPILE_STATS # define TclIncrObjsAllocated() \ tclObjsAlloced++ # define TclIncrObjsFreed() \ tclObjsFreed++ #else # define TclIncrObjsAllocated() # define TclIncrObjsFreed() #endif /* TCL_COMPILE_STATS */ #define TclNewObj(objPtr) \ TclAllocObjStorage(objPtr); \ TclIncrObjsAllocated(); \ (objPtr)->refCount = 0; \ (objPtr)->bytes = tclEmptyStringRep; \ (objPtr)->length = 0; \ (objPtr)->typePtr = NULL #define TclDecrRefCount(objPtr) \ if (--(objPtr)->refCount <= 0) { \ if (((objPtr)->typePtr != NULL) \ && ((objPtr)->typePtr->freeIntRepProc != NULL)) { \ (objPtr)->typePtr->freeIntRepProc(objPtr); \ } \ if (((objPtr)->bytes != NULL) \ && ((objPtr)->bytes != tclEmptyStringRep)) { \ ckfree((char *) (objPtr)->bytes); \ } \ TclFreeObjStorage(objPtr); \ TclIncrObjsFreed(); \ } #ifdef TCL_MEM_DEBUG # define TclAllocObjStorage(objPtr) \ (objPtr) = (Tcl_Obj *) \ Tcl_DbCkalloc(sizeof(Tcl_Obj), __FILE__, __LINE__) # define TclFreeObjStorage(objPtr) \ if ((objPtr)->refCount < -1) { \ panic("Reference count for %lx was negative: %s line %d", \ (objPtr), __FILE__, __LINE__); \ } \ ckfree((char *) (objPtr)) # define TclDbNewObj(objPtr, file, line) \ (objPtr) = (Tcl_Obj *) Tcl_DbCkalloc(sizeof(Tcl_Obj), (file), (line)); \ (objPtr)->refCount = 0; \ (objPtr)->bytes = tclEmptyStringRep; \ (objPtr)->length = 0; \ (objPtr)->typePtr = NULL; \ TclIncrObjsAllocated() #elif defined(PURIFY) /* * The PURIFY mode is like the regular mode, but instead of doing block * Tcl_Obj allocation and keeping a freed list for efficiency, it always * allocates and frees a single Tcl_Obj so that tools like Purify can * better track memory leaks */ # define TclAllocObjStorage(objPtr) \ (objPtr) = (Tcl_Obj *) Tcl_Ckalloc(sizeof(Tcl_Obj)) # define TclFreeObjStorage(objPtr) \ ckfree((char *) (objPtr)) #elif defined(TCL_THREADS) && defined(USE_THREAD_ALLOC) /* * The TCL_THREADS mode is like the regular mode but allocates Tcl_Obj's * from per-thread caches. */ EXTERN Tcl_Obj *TclThreadAllocObj _ANSI_ARGS_((void)); EXTERN void TclThreadFreeObj _ANSI_ARGS_((Tcl_Obj *)); EXTERN void TclFreeAllocCache _ANSI_ARGS_((void *)); EXTERN void TclFinalizeThreadAlloc _ANSI_ARGS_((void)); EXTERN void TclpFreeAllocMutex _ANSI_ARGS_((Tcl_Mutex* mutex)); EXTERN void TclpFreeAllocCache _ANSI_ARGS_((void *)); # define TclAllocObjStorage(objPtr) \ (objPtr) = TclThreadAllocObj() # define TclFreeObjStorage(objPtr) \ TclThreadFreeObj((objPtr)) #else /* not TCL_MEM_DEBUG */ #ifdef TCL_THREADS /* declared in tclObj.c */ extern Tcl_Mutex tclObjMutex; #endif # define TclAllocObjStorage(objPtr) \ Tcl_MutexLock(&tclObjMutex); \ if (tclFreeObjList == NULL) { \ TclAllocateFreeObjects(); \ } \ (objPtr) = tclFreeObjList; \ tclFreeObjList = (Tcl_Obj *) \ tclFreeObjList->internalRep.otherValuePtr; \ Tcl_MutexUnlock(&tclObjMutex) # define TclFreeObjStorage(objPtr) \ Tcl_MutexLock(&tclObjMutex); \ (objPtr)->internalRep.otherValuePtr = (VOID *) tclFreeObjList; \ tclFreeObjList = (objPtr); \ Tcl_MutexUnlock(&tclObjMutex) #endif /* TCL_MEM_DEBUG */ /* *---------------------------------------------------------------- * Macro used by the Tcl core to set a Tcl_Obj's string representation * to a copy of the "len" bytes starting at "bytePtr". This code * works even if the byte array contains NULLs as long as the length * is correct. Because "len" is referenced multiple times, it should * be as simple an expression as possible. The ANSI C "prototype" for * this macro is: * * EXTERN void TclInitStringRep _ANSI_ARGS_((Tcl_Obj *objPtr, * char *bytePtr, int len)); *---------------------------------------------------------------- */ #define TclInitStringRep(objPtr, bytePtr, len) \ if ((len) == 0) { \ (objPtr)->bytes = tclEmptyStringRep; \ (objPtr)->length = 0; \ } else { \ (objPtr)->bytes = (char *) ckalloc((unsigned) ((len) + 1)); \ memcpy((VOID *) (objPtr)->bytes, (VOID *) (bytePtr), \ (unsigned) (len)); \ (objPtr)->bytes[len] = '\0'; \ (objPtr)->length = (len); \ } /* *---------------------------------------------------------------- * Macro used by the Tcl core to get the string representation's * byte array pointer from a Tcl_Obj. This is an inline version * of Tcl_GetString(). The macro's expression result is the string * rep's byte pointer which might be NULL. The bytes referenced by * this pointer must not be modified by the caller. * The ANSI C "prototype" for this macro is: * * EXTERN char * TclGetString _ANSI_ARGS_((Tcl_Obj *objPtr)); *---------------------------------------------------------------- */ #define TclGetString(objPtr) \ ((objPtr)->bytes? (objPtr)->bytes : Tcl_GetString((objPtr))) /* *---------------------------------------------------------------- * Macro used by the Tcl core to get a Tcl_WideInt value out of * a Tcl_Obj of the "wideInt" type. Different implementation on * different platforms depending whether TCL_WIDE_INT_IS_LONG. *---------------------------------------------------------------- */ #ifdef TCL_WIDE_INT_IS_LONG # define TclGetWide(resultVar, objPtr) \ (resultVar) = (objPtr)->internalRep.longValue # define TclGetLongFromWide(resultVar, objPtr) \ (resultVar) = (objPtr)->internalRep.longValue #else # define TclGetWide(resultVar, objPtr) \ (resultVar) = (objPtr)->internalRep.wideValue # define TclGetLongFromWide(resultVar, objPtr) \ (resultVar) = Tcl_WideAsLong((objPtr)->internalRep.wideValue) #endif /* *---------------------------------------------------------------- * Macro used by the Tcl core get a unicode char from a utf string. * It checks to see if we have a one-byte utf char before calling * the real Tcl_UtfToUniChar, as this will save a lot of time for * primarily ascii string handling. The macro's expression result * is 1 for the 1-byte case or the result of Tcl_UtfToUniChar. * The ANSI C "prototype" for this macro is: * * EXTERN int TclUtfToUniChar _ANSI_ARGS_((CONST char *string, * Tcl_UniChar *ch)); *---------------------------------------------------------------- */ #define TclUtfToUniChar(str, chPtr) \ ((((unsigned char) *(str)) < 0xC0) ? \ ((*(chPtr) = (Tcl_UniChar) *(str)), 1) \ : Tcl_UtfToUniChar(str, chPtr)) /* *---------------------------------------------------------------- * Macro used by the Tcl core to compare Unicode strings. On * big-endian systems we can use the more efficient memcmp, but * this would not be lexically correct on little-endian systems. * The ANSI C "prototype" for this macro is: * * EXTERN int TclUniCharNcmp _ANSI_ARGS_((CONST Tcl_UniChar *cs, * CONST Tcl_UniChar *ct, unsigned long n)); *---------------------------------------------------------------- */ #ifdef WORDS_BIGENDIAN # define TclUniCharNcmp(cs,ct,n) memcmp((cs),(ct),(n)*sizeof(Tcl_UniChar)) #else /* !WORDS_BIGENDIAN */ # define TclUniCharNcmp Tcl_UniCharNcmp #endif /* WORDS_BIGENDIAN */ #include "tclIntDecls.h" # undef TCL_STORAGE_CLASS # define TCL_STORAGE_CLASS DLLIMPORT #endif /* _TCLINT */