/* * 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) 1998-19/99 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: tclInt.h,v 1.233 2005/06/06 23:45:44 dkf Exp $ */ #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. */ #ifdef HAVE_TCL_CONFIG_H #include "tclConfig.h" #endif #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 #ifdef STDC_HEADERS #include #else typedef int ptrdiff_t; #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 /* * 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. *---------------------------------------------------------------- */ typedef struct Tcl_Ensemble Tcl_Ensemble; typedef struct NamespacePathEntry NamespacePathEntry; /* * 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. */ int exportLookupEpoch; /* Incremented whenever a command is added to * a namespace, removed from a namespace or * the exports of a namespace are changed. * Allows TIP#112-driven command lists to be * validated efficiently. */ Tcl_Ensemble *ensembles; /* List of structures that contain the details * of the ensembles that are implemented on * top of this namespace. */ int commandPathLength; /* The length of the explicit path. */ NamespacePathEntry *commandPathArray; /* The explicit path of the namespace as an * array. */ NamespacePathEntry *commandPathSourceList; /* Linked list of path entries that point to * this namespace. */ } Namespace; /* * An entry on a namespace's command resolution path. */ struct NamespacePathEntry { Namespace *nsPtr; /* What does this path entry point to? If it *is NULL, this path entry points is redundant * and should be skipped. */ Namespace *creatorNsPtr; /* Where does this path entry point from? This * allows for efficient invalidation of * references when the path entry's target * updates its current list of defined * commands. */ NamespacePathEntry *prevPtr, *nextPtr; /* Linked list pointers or NULL at either end * of the list that hangs off Namespace's * commandPathSourceList field. */ }; /* * 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 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. */ #define NS_DYING 0x01 #define NS_DEAD 0x02 /* * Flags passed to TclGetNamespaceForQualName: * * TCL_GLOBAL_ONLY - (see tcl.h) Look only in the global ns. * TCL_NAMESPACE_ONLY - (see tcl.h) Look only in the context ns. * TCL_CREATE_NS_IF_UNKNOWN - Create unknown namespaces. * TCL_FIND_ONLY_NS - The name sought is a namespace name. */ #define TCL_CREATE_NS_IF_UNKNOWN 0x800 #define TCL_FIND_ONLY_NS 0x1000 /* *---------------------------------------------------------------- * 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. */ } 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 #define VAR_IS_ARGS 0x800 /* * Macros to ensure that various flag bits are set properly for variables. * The ANSI C "prototypes" for these macros are: * * MODULE_SCOPE void TclSetVarScalar _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE void TclSetVarArray _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE void TclSetVarLink _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE void TclSetVarArrayElement _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE void TclSetVarUndefined _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE 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 #define TclSetVarTraceActive(varPtr) \ (varPtr)->flags |= VAR_TRACE_ACTIVE #define TclClearVarTraceActive(varPtr) \ (varPtr)->flags &= ~VAR_TRACE_ACTIVE #define TclSetVarNamespaceVar(varPtr) \ (varPtr)->flags |= VAR_NAMESPACE_VAR #define TclClearVarNamespaceVar(varPtr) \ (varPtr)->flags &= ~VAR_NAMESPACE_VAR /* * Macros to read various flag bits of variables. * The ANSI C "prototypes" for these macros are: * * MODULE_SCOPE int TclIsVarScalar _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE int TclIsVarLink _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE int TclIsVarArray _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE int TclIsVarUndefined _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE int TclIsVarArrayElement _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE int TclIsVarTemporary _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE int TclIsVarArgument _ANSI_ARGS_((Var *varPtr)); * MODULE_SCOPE 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 TclIsVarNamespaceVar(varPtr) \ ((varPtr)->flags & VAR_NAMESPACE_VAR) #define TclIsVarTemporary(varPtr) \ ((varPtr)->flags & VAR_TEMPORARY) #define TclIsVarArgument(varPtr) \ ((varPtr)->flags & VAR_ARGUMENT) #define TclIsVarResolved(varPtr) \ ((varPtr)->flags & VAR_RESOLVED) #define TclIsVarTraceActive(varPtr) \ ((varPtr)->flags & VAR_TRACE_ACTIVE) #define TclIsVarUntraced(varPtr) \ ((varPtr)->tracePtr == NULL) /* * Macros for direct variable access by TEBC */ #define TclIsVarDirectReadable(varPtr) \ (TclIsVarScalar(varPtr) \ && !TclIsVarUndefined(varPtr) \ && TclIsVarUntraced(varPtr)) #define TclIsVarDirectWritable(varPtr) \ ( !(((varPtr)->flags & VAR_IN_HASHTABLE) \ && ((varPtr)->hPtr == NULL)) \ && TclIsVarUntraced(varPtr) \ && (TclIsVarScalar(varPtr) \ || TclIsVarUndefined(varPtr))) /* *---------------------------------------------------------------- * 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. */ } ActiveInterpTrace; /* * Flag values designating types of execution traces. * See tclTrace.c for related flag values. * * TCL_TRACE_ENTER_EXEC - triggers enter/enterstep traces. * - passed to Tcl_CreateObjTrace to set up * "enterstep" traces. * TCL_TRACE_LEAVE_EXEC - triggets leave/leavestep traces. * - passed to Tcl_CreateObjTrace to set up * "leavestep" traces. * */ #define TCL_TRACE_ENTER_EXEC 1 #define TCL_TRACE_LEAVE_EXEC 2 /* * 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 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. * If FRAME_IS_PROC is set, the frame was * pushed to execute a Tcl procedure and may * have local vars. */ 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; #define FRAME_IS_PROC 0x1 /* *---------------------------------------------------------------- * 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. */ MODULE_SCOPE VOID * TclThreadDataKeyGet _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); MODULE_SCOPE 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. The integer value returned by a CompileProc * must be one of the following: * * TCL_OK Compilation completed normally. * TCL_ERROR Compilation could not be completed. This can * be just a judgment by the CompileProc that the * command is too complex to compile effectively, * or it can indicate that in the current state of * the interp, the command would raise an error. * The bytecode compiler will not do any error reporting * at compiler time. Error reporting is deferred * until the actual runtime, because by then changes * in the interp state may allow the command to be * successfully evaluated. * TCL_OUT_LINE_COMPILE A source-compatible alias for TCL_ERROR, kept * for the sake of old code only. */ #define TCL_OUT_LINE_COMPILE TCL_ERROR 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. */ Tcl_Obj **tosPtr; /* Points to current top of stack; * (stackPtr-1) when the stack is empty. */ Tcl_Obj **endPtr; /* Points to last usable item in stack. */ Tcl_Obj *constants[2]; /* Pointers to constant "0" and "1" objs. */ } 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. */ Namespace *nsPtr; /* Namespace in which this literal is * used. We try to avoid sharing * literal non-FQ command names among * different namespaces to reduce * shimmering.*/ } 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; /* * Forward declaration of the TIP#143 limit handler structure. */ typedef struct LimitHandler LimitHandler; /* *---------------------------------------------------------------- * 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; /* [return -code] parameter */ char *unused3; /* No longer used (was errorInfo) */ char *unused4; /* No longer used (was errorCode) */ /* * 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 unused1; /* No longer used (was termOffset) */ 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 */ /* Fields used to manage extensible return options (TIP 90) */ Tcl_Obj *returnOpts; /* A dictionary holding the options to the * last [return] command */ Tcl_Obj *errorInfo; /* errorInfo value (now as a Tcl_Obj) */ Tcl_Obj *eiVar; /* cached ref to ::errorInfo variable */ Tcl_Obj *errorCode; /* errorCode value (now as a Tcl_Obj) */ Tcl_Obj *ecVar; /* cached ref to ::errorInfo variable */ int returnLevel; /* [return -level] parameter */ /* * Resource limiting framework support (TIP#143). */ struct { int active; /* Flag values defining which limits have * been set. */ int granularityTicker; /* Counter used to determine how often to * check the limits. */ int exceeded; /* Which limits have been exceeded, described * as flag values the same as the 'active' * field. */ int cmdCount; /* Limit for how many commands to execute * in the interpreter. */ LimitHandler *cmdHandlers; /* Handlers to execute when the limit * is reached. */ int cmdGranularity; /* Mod factor used to determine how often * to evaluate the limit check. */ Tcl_Time time; /* Time limit for execution within the * interpreter. */ LimitHandler *timeHandlers; /* Handlers to execute when the limit * is reached. */ int timeGranularity; /* Mod factor used to determine how often * to evaluate the limit check. */ Tcl_TimerToken timeEvent; /* Handle for a timer callback that will * occur when the time-limit is exceeded. */ Tcl_HashTable callbacks; /* Mapping from (interp,type) pair to data * used to install a limit handler callback * to run in _this_ interp when the limit * is exceeded. */ } limit; /* * Information for improved default error generation from * ensembles (TIP#112). */ struct { Tcl_Obj * CONST *sourceObjs; /* What arguments were actually input into * the *root* ensemble command? (Nested * ensembles don't rewrite this.) NULL if * we're not processing an ensemble. */ int numRemovedObjs; /* How many arguments have been stripped off * because of ensemble processing. */ int numInsertedObjs; /* How many of the current arguments were * inserted by an ensemble. */ } ensembleRewrite; /* * 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_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_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_ALREADY_LOGGED: Non-zero means information has already been logged * in iPtr->errorInfo for the current Tcl_Eval instance, * so Tcl_Eval needn't log it (used to implement the * "error message log" command). * 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). * INTERP_TRACE_IN_PROGRESS: Non-zero means that an interp trace is currently * active; so no further trace callbacks should be * invoked. * * WARNING: For the sake of some extensions that have made use of former * internal values, do not re-use the flag values 2 (formerly ERR_IN_PROGRESS) * or 8 (formerly ERROR_CODE_SET). */ #define DELETED 1 #define ERR_ALREADY_LOGGED 4 #define DONT_COMPILE_CMDS_INLINE 0x20 #define RAND_SEED_INITIALIZED 0x40 #define SAFE_INTERP 0x80 #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 /* * TIP#143 limit handler internal representation. */ struct LimitHandler { int flags; /* The state of this particular handler. */ Tcl_LimitHandlerProc *handlerProc; /* The handler callback. */ ClientData clientData; /* Opaque argument to the handler callback. */ Tcl_LimitHandlerDeleteProc *deleteProc; /* How to delete the clientData */ LimitHandler *prevPtr; /* Previous item in linked list of handlers */ LimitHandler *nextPtr; /* Next item in linked list of handlers */ }; /* * Values for the LimitHandler flags field. * LIMIT_HANDLER_ACTIVE - Whether the handler is currently being * processed; handlers are never to be entered reentrantly. * LIMIT_HANDLER_DELETED - Whether the handler has been deleted. This * should not normally be observed because when a handler is * deleted it is also spliced out of the list of handlers, but * even so we will be careful. */ #define LIMIT_HANDLER_ACTIVE 0x01 #define LIMIT_HANDLER_DELETED 0x02 /* * 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. * * This macro is only used by tclCompile.c in the core (Bug 926445). It * however not be made file static, as extensions that touch bytecodes * (notably tbcload) require it. */ #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 = 0, /* Any Unix-like OS. */ TCL_PLATFORM_WINDOWS = 2 /* 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 struct is grown (reallocated and copied) as necessary to hold * all the list's element pointers. The struct might contain more slots than * currently used to hold all element pointers. This is done to make append * operations faster. */ typedef struct List { int refCount; int maxElemCount; /* Total number of element array slots. */ int elemCount; /* Current number of list elements. */ Tcl_Obj *elements; /* First list element; the struct is grown to * accomodate all elements. */ } List; /* * Macro used to get the elements of a list object - do NOT forget to verify * that it is of list type before using! */ #define TclListObjGetElements(listPtr, objc, objv) \ { \ List *listRepPtr = \ (List *) (listPtr)->internalRep.twoPtrValue.ptr1;\ (objc) = listRepPtr->elemCount;\ (objv) = &listRepPtr->elements;\ } /* *---------------------------------------------------------------- * Data structures related to the filesystem internals *---------------------------------------------------------------- */ /* * The version_2 filesystem is private to Tcl. As and when these * changes have been thoroughly tested and investigated a new public * filesystem interface will be released. The aim is more versatile * virtual filesystem interfaces, more efficiency in 'path' manipulation * and usage, and cleaner filesystem code internally. */ #define TCL_FILESYSTEM_VERSION_2 ((Tcl_FSVersion) 0x2) typedef ClientData (TclFSGetCwdProc2) _ANSI_ARGS_((ClientData clientData)); /* * 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; /* * 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 typedef enum Tcl_PathPart { TCL_PATH_DIRNAME, TCL_PATH_TAIL, TCL_PATH_EXTENSION, TCL_PATH_ROOT } Tcl_PathPart; /* *---------------------------------------------------------------- * 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; /* *---------------------------------------------------------------- * Data structures for process-global values. *---------------------------------------------------------------- */ typedef void (TclInitProcessGlobalValueProc) _ANSI_ARGS_((char **valuePtr, int *lengthPtr, Tcl_Encoding *encodingPtr)); /* * A ProcessGlobalValue struct exists for each internal value in * Tcl that is to be shared among several threads. Each thread * sees a (Tcl_Obj) copy of the value, and the master is kept as * a counted string, with epoch and mutex control. Each ProcessGlobalValue * struct should be a static variable in some file. */ typedef struct ProcessGlobalValue { int epoch; /* Epoch counter to detect changes * in the master value */ int numBytes; /* Length of the master string */ char *value; /* The master string value */ Tcl_Encoding encoding; /* system encoding when master string * was initialized */ TclInitProcessGlobalValueProc *proc; /* A procedure to initialize the * master string copy when a "get" * request comes in before any * "set" request has been received. */ Tcl_Mutex mutex; /* Enforce orderly access from * multiple threads */ Tcl_ThreadDataKey key; /* Key for per-thread data holding * the (Tcl_Obj) copy for each thread */ } ProcessGlobalValue; /* *---------------------------------------------------------------- * Variables shared among Tcl modules but not used by the outside world. *---------------------------------------------------------------- */ MODULE_SCOPE char * tclNativeExecutableName; MODULE_SCOPE int tclFindExecutableSearchDone; MODULE_SCOPE char * tclMemDumpFileName; MODULE_SCOPE TclPlatformType tclPlatform; MODULE_SCOPE Tcl_NotifierProcs tclOriginalNotifier; /* TIP #233 (Virtualized Time) * Data for the time hooks, if any. */ MODULE_SCOPE Tcl_GetTimeProc* tclGetTimeProcPtr; MODULE_SCOPE Tcl_ScaleTimeProc* tclScaleTimeProcPtr; MODULE_SCOPE ClientData tclTimeClientData; /* * Variables denoting the Tcl object types defined in the core. */ MODULE_SCOPE Tcl_ObjType tclBooleanType; MODULE_SCOPE Tcl_ObjType tclByteArrayType; MODULE_SCOPE Tcl_ObjType tclByteCodeType; MODULE_SCOPE Tcl_ObjType tclDoubleType; MODULE_SCOPE Tcl_ObjType tclEndOffsetType; MODULE_SCOPE Tcl_ObjType tclIntType; MODULE_SCOPE Tcl_ObjType tclListType; MODULE_SCOPE Tcl_ObjType tclDictType; MODULE_SCOPE Tcl_ObjType tclProcBodyType; MODULE_SCOPE Tcl_ObjType tclStringType; MODULE_SCOPE Tcl_ObjType tclArraySearchType; MODULE_SCOPE Tcl_ObjType tclIndexType; MODULE_SCOPE Tcl_ObjType tclNsNameType; MODULE_SCOPE Tcl_ObjType tclEnsembleCmdType; MODULE_SCOPE Tcl_ObjType tclWideIntType; MODULE_SCOPE Tcl_ObjType tclLocalVarNameType; MODULE_SCOPE Tcl_ObjType tclRegexpType; MODULE_SCOPE Tcl_ObjType tclLevelReferenceType; /* * Variables denoting the hash key types defined in the core. */ MODULE_SCOPE Tcl_HashKeyType tclArrayHashKeyType; MODULE_SCOPE Tcl_HashKeyType tclOneWordHashKeyType; MODULE_SCOPE Tcl_HashKeyType tclStringHashKeyType; MODULE_SCOPE Tcl_HashKeyType tclObjHashKeyType; /* * The head of the list of free Tcl objects, and the total number of Tcl * objects ever allocated and freed. */ MODULE_SCOPE Tcl_Obj * tclFreeObjList; #ifdef TCL_COMPILE_STATS MODULE_SCOPE long tclObjsAlloced; MODULE_SCOPE long tclObjsFreed; #define TCL_MAX_SHARED_OBJ_STATS 5 MODULE_SCOPE 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. */ MODULE_SCOPE char * tclEmptyStringRep; MODULE_SCOPE char tclEmptyString; /* *---------------------------------------------------------------- * Procedures shared among Tcl modules but not used by the outside * world: *---------------------------------------------------------------- */ MODULE_SCOPE void TclAppendLimitedToObj _ANSI_ARGS_((Tcl_Obj *objPtr, CONST char *bytes, int length, int limit, CONST char *ellipsis)); MODULE_SCOPE void TclAppendObjToErrorInfo _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_Obj *objPtr)); MODULE_SCOPE int TclArraySet _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *arrayNameObj, Tcl_Obj *arrayElemObj)); MODULE_SCOPE double TclBignumToDouble _ANSI_ARGS_((mp_int* bignum)); MODULE_SCOPE int TclCheckBadOctal _ANSI_ARGS_((Tcl_Interp *interp, CONST char *value)); MODULE_SCOPE void TclCleanupLiteralTable _ANSI_ARGS_(( Tcl_Interp* interp, LiteralTable* tablePtr)); MODULE_SCOPE int TclDoubleDigits _ANSI_ARGS_((char* buf, double value, int* signum)); MODULE_SCOPE void TclExpandTokenArray _ANSI_ARGS_(( Tcl_Parse *parsePtr)); MODULE_SCOPE int TclFileAttrsCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclFileCopyCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])) ; MODULE_SCOPE int TclFileDeleteCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclFileMakeDirsCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])) ; MODULE_SCOPE int TclFileRenameCmd _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])) ; MODULE_SCOPE void TclFinalizeAllocSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeCompExecEnv _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeCompilation _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeDoubleConversion _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeEncodingSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeEnvironment _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeExecution _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeIOSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeFilesystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclResetFilesystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeLoad _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeMemorySubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeNotifier _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeAsync _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeSynchronization _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeLock _ANSI_ARGS_((void)); MODULE_SCOPE void TclFinalizeThreadData _ANSI_ARGS_((void)); MODULE_SCOPE void TclFormatNaN _ANSI_ARGS_((double value, char* buffer)); MODULE_SCOPE int TclFSFileAttrIndex _ANSI_ARGS_((Tcl_Obj *pathPtr, CONST char *attributeName, int *indexPtr)); MODULE_SCOPE Tcl_Obj * TclGetBgErrorHandler _ANSI_ARGS_((Tcl_Interp *interp)); MODULE_SCOPE int TclGetEncodingFromObj _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *objPtr, Tcl_Encoding *encodingPtr)); MODULE_SCOPE int TclGetNamespaceFromObj _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_Obj *objPtr, Tcl_Namespace **nsPtrPtr)); MODULE_SCOPE int TclGetOpenModeEx _ANSI_ARGS_((Tcl_Interp *interp, CONST char *modeString, int *seekFlagPtr, int *binaryPtr)); MODULE_SCOPE Tcl_Obj * TclGetProcessGlobalValue _ANSI_ARGS_ (( ProcessGlobalValue *pgvPtr)); MODULE_SCOPE int TclGlob _ANSI_ARGS_((Tcl_Interp *interp, char *pattern, Tcl_Obj *unquotedPrefix, int globFlags, Tcl_GlobTypeData* types)); MODULE_SCOPE void TclInitAlloc _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitDbCkalloc _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitDoubleConversion _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitEmbeddedConfigurationInformation _ANSI_ARGS_((Tcl_Interp *interp)); MODULE_SCOPE void TclInitEncodingSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitIOSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitLimitSupport _ANSI_ARGS_((Tcl_Interp *interp)); MODULE_SCOPE void TclInitNamespaceSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitNotifier _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitObjSubsystem _ANSI_ARGS_((void)); MODULE_SCOPE void TclInitSubsystems (); MODULE_SCOPE int TclInterpReady _ANSI_ARGS_((Tcl_Interp *interp)); MODULE_SCOPE int TclIsLocalScalar _ANSI_ARGS_((CONST char *src, int len)); MODULE_SCOPE int TclJoinThread _ANSI_ARGS_((Tcl_ThreadId id, int* result)); MODULE_SCOPE void TclLimitRemoveAllHandlers _ANSI_ARGS_(( Tcl_Interp *interp)); MODULE_SCOPE Tcl_Obj * TclLindexList _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, Tcl_Obj* argPtr)); MODULE_SCOPE Tcl_Obj * TclLindexFlat _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, int indexCount, Tcl_Obj *CONST indexArray[])); MODULE_SCOPE int TclLoadFile _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj *pathPtr, int symc, CONST char *symbols[], Tcl_PackageInitProc **procPtrs[], Tcl_LoadHandle *handlePtr, ClientData *clientDataPtr, Tcl_FSUnloadFileProc **unloadProcPtr)); MODULE_SCOPE Tcl_Obj * TclLsetList _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, Tcl_Obj* indexPtr, Tcl_Obj* valuePtr)); MODULE_SCOPE Tcl_Obj * TclLsetFlat _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Obj* listPtr, int indexCount, Tcl_Obj *CONST indexArray[], Tcl_Obj* valuePtr)); MODULE_SCOPE int TclMergeReturnOptions _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], Tcl_Obj **optionsPtrPtr, int *codePtr, int *levelPtr)); MODULE_SCOPE int TclObjInvokeNamespace _ANSI_ARGS_((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], Tcl_Namespace *nsPtr, int flags)); MODULE_SCOPE int TclParseBackslash _ANSI_ARGS_((CONST char *src, int numBytes, int *readPtr, char *dst)); MODULE_SCOPE int TclParseHex _ANSI_ARGS_((CONST char *src, int numBytes, Tcl_UniChar *resultPtr)); MODULE_SCOPE void TclParseInit _ANSI_ARGS_ ((Tcl_Interp *interp, CONST char *string, int numBytes, Tcl_Parse *parsePtr)); MODULE_SCOPE int TclParseInteger _ANSI_ARGS_((CONST char *string, int numBytes)); MODULE_SCOPE int TclParseWhiteSpace _ANSI_ARGS_((CONST char *src, int numBytes, Tcl_Parse *parsePtr, char *typePtr)); MODULE_SCOPE int TclProcessReturn _ANSI_ARGS_((Tcl_Interp *interp, int code, int level, Tcl_Obj *returnOpts)); MODULE_SCOPE int TclpObjLstat _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_StatBuf *buf)); MODULE_SCOPE int TclpCheckStackSpace _ANSI_ARGS_((void)); MODULE_SCOPE Tcl_Obj * TclpTempFileName _ANSI_ARGS_((void)); MODULE_SCOPE Tcl_Obj * TclNewFSPathObj _ANSI_ARGS_((Tcl_Obj *dirPtr, CONST char *addStrRep, int len)); MODULE_SCOPE int TclpDeleteFile _ANSI_ARGS_((CONST char *path)); MODULE_SCOPE void TclpFinalizeCondition _ANSI_ARGS_(( Tcl_Condition *condPtr)); MODULE_SCOPE void TclpFinalizeMutex _ANSI_ARGS_((Tcl_Mutex *mutexPtr)); MODULE_SCOPE void TclpFinalizeThreadData _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); MODULE_SCOPE int TclpThreadCreate _ANSI_ARGS_(( Tcl_ThreadId *idPtr, Tcl_ThreadCreateProc proc, ClientData clientData, int stackSize, int flags)); MODULE_SCOPE void TclpFinalizeThreadDataKey _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); MODULE_SCOPE int TclpFindVariable _ANSI_ARGS_((CONST char *name, int *lengthPtr)); MODULE_SCOPE void TclpInitLibraryPath _ANSI_ARGS_((char **valuePtr, int *lengthPtr, Tcl_Encoding *encodingPtr)); MODULE_SCOPE void TclpInitLock _ANSI_ARGS_((void)); MODULE_SCOPE void TclpInitPlatform _ANSI_ARGS_((void)); MODULE_SCOPE void TclpInitUnlock _ANSI_ARGS_((void)); MODULE_SCOPE 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)); MODULE_SCOPE Tcl_Obj * TclpObjListVolumes _ANSI_ARGS_((void)); MODULE_SCOPE void TclpMasterLock _ANSI_ARGS_((void)); MODULE_SCOPE void TclpMasterUnlock _ANSI_ARGS_((void)); MODULE_SCOPE int TclpMatchFiles _ANSI_ARGS_((Tcl_Interp *interp, char *separators, Tcl_DString *dirPtr, char *pattern, char *tail)); MODULE_SCOPE int TclpObjNormalizePath _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, int nextCheckpoint)); MODULE_SCOPE void TclpNativeJoinPath _ANSI_ARGS_((Tcl_Obj *prefix, char *joining)); MODULE_SCOPE Tcl_Obj * TclpNativeSplitPath _ANSI_ARGS_((Tcl_Obj *pathPtr, int *lenPtr)); MODULE_SCOPE Tcl_PathType TclpGetNativePathType _ANSI_ARGS_((Tcl_Obj *pathPtr, int *driveNameLengthPtr, Tcl_Obj **driveNameRef)); MODULE_SCOPE int TclCrossFilesystemCopy _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_Obj *source, Tcl_Obj *target)); MODULE_SCOPE int TclpMatchInDirectory _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *resultPtr, Tcl_Obj *pathPtr, CONST char *pattern, Tcl_GlobTypeData *types)); MODULE_SCOPE ClientData TclpGetNativeCwd _ANSI_ARGS_((ClientData clientData)); MODULE_SCOPE Tcl_FSDupInternalRepProc TclNativeDupInternalRep; MODULE_SCOPE Tcl_Obj* TclpObjLink _ANSI_ARGS_((Tcl_Obj *pathPtr, Tcl_Obj *toPtr, int linkType)); MODULE_SCOPE int TclpObjChdir _ANSI_ARGS_((Tcl_Obj *pathPtr)); MODULE_SCOPE Tcl_Obj * TclPathPart _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, Tcl_PathPart portion)); MODULE_SCOPE void TclpPanic _ANSI_ARGS_(TCL_VARARGS(CONST char *, format)); MODULE_SCOPE char * TclpReadlink _ANSI_ARGS_((CONST char *fileName, Tcl_DString *linkPtr)); MODULE_SCOPE void TclpReleaseFile _ANSI_ARGS_((TclFile file)); MODULE_SCOPE void TclpSetInterfaces (); MODULE_SCOPE void TclpSetVariables _ANSI_ARGS_((Tcl_Interp *interp)); MODULE_SCOPE void TclpUnloadFile _ANSI_ARGS_(( Tcl_LoadHandle loadHandle)); MODULE_SCOPE VOID * TclpThreadDataKeyGet _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); MODULE_SCOPE void TclpThreadDataKeyInit _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr)); MODULE_SCOPE void TclpThreadDataKeySet _ANSI_ARGS_(( Tcl_ThreadDataKey *keyPtr, VOID *data)); MODULE_SCOPE void TclpThreadExit _ANSI_ARGS_((int status)); MODULE_SCOPE int TclpThreadGetStackSize _ANSI_ARGS_((void)); MODULE_SCOPE void TclRememberCondition _ANSI_ARGS_(( Tcl_Condition *mutex)); MODULE_SCOPE void TclRememberDataKey _ANSI_ARGS_(( Tcl_ThreadDataKey *mutex)); MODULE_SCOPE VOID TclRememberJoinableThread _ANSI_ARGS_(( Tcl_ThreadId id)); MODULE_SCOPE void TclRememberMutex _ANSI_ARGS_((Tcl_Mutex *mutex)); MODULE_SCOPE void TclRemoveScriptLimitCallbacks _ANSI_ARGS_(( Tcl_Interp *interp)); MODULE_SCOPE void TclSetBgErrorHandler _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *cmdPrefix)); MODULE_SCOPE void TclSetProcessGlobalValue _ANSI_ARGS_ (( ProcessGlobalValue *pgvPtr, Tcl_Obj *newValue, Tcl_Encoding encoding)); MODULE_SCOPE VOID TclSignalExitThread _ANSI_ARGS_((Tcl_ThreadId id, int result)); MODULE_SCOPE double TclStrToD _ANSI_ARGS_((CONST char* string, CONST char** endPtr)); MODULE_SCOPE int TclSubstTokens _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Token *tokenPtr, int count, int *tokensLeftPtr)); MODULE_SCOPE void TclTransferResult _ANSI_ARGS_(( Tcl_Interp *sourceInterp, int result, Tcl_Interp *targetInterp)); MODULE_SCOPE Tcl_Obj * TclpNativeToNormalized _ANSI_ARGS_(( ClientData clientData)); MODULE_SCOPE Tcl_Obj * TclpFilesystemPathType _ANSI_ARGS_(( Tcl_Obj* pathPtr)); MODULE_SCOPE Tcl_PackageInitProc* TclpFindSymbol _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_LoadHandle loadHandle, CONST char *symbol)); MODULE_SCOPE int TclpDlopen _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, Tcl_LoadHandle *loadHandle, Tcl_FSUnloadFileProc **unloadProcPtr)); MODULE_SCOPE int TclpUtime _ANSI_ARGS_((Tcl_Obj *pathPtr, struct utimbuf *tval)); #ifdef TCL_LOAD_FROM_MEMORY MODULE_SCOPE void* TclpLoadMemoryGetBuffer _ANSI_ARGS_(( Tcl_Interp *interp, int size)); MODULE_SCOPE 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: *---------------------------------------------------------------- */ MODULE_SCOPE int Tcl_AfterObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_AppendObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ArrayObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_BinaryObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_BreakObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_CaseObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_CatchObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_CdObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclChanTruncateObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockClicksObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockGetenvObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockMicrosecondsObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockMillisecondsObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockSecondsObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockLocaltimeObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockMktimeObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclClockOldscanObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_CloseObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ConcatObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ContinueObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE Tcl_TimerToken TclCreateAbsoluteTimerHandler _ANSI_ARGS_(( Tcl_Time *timePtr, Tcl_TimerProc *proc, ClientData clientData)); MODULE_SCOPE int TclDefaultBgErrorHandlerObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_DictObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_EncodingObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int TclEncodingDirsObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_EofObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ErrorObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_EvalObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ExecObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ExitObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ExprObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FblockedObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FconfigureObjCmd _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FcopyObjCmd _ANSI_ARGS_((ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FileObjCmd _ANSI_ARGS_((ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FileEventObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FlushObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ForObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ForeachObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_FormatObjCmd _ANSI_ARGS_((ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_GetsObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_GlobalObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_GlobObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_IfObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_IncrObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_InfoObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_InterpObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_JoinObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LappendObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LassignObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LindexObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LinsertObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LlengthObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ListObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LoadObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LrangeObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LrepeatObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LreplaceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LsearchObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LsetObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp* interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_LsortObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_NamespaceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_OpenObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_PackageObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_PidObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_PutsObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_PwdObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ReadObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_RegexpObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_RegsubObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_RenameObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ReturnObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_ScanObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SeekObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SetObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SplitObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SocketObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SourceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_StringObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SubstObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_SwitchObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_TellObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_TimeObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_TraceObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_UnloadObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_UnsetObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_UpdateObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_UplevelObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_UpvarObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_VariableObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_VwaitObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); MODULE_SCOPE int Tcl_WhileObjCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); /* *---------------------------------------------------------------- * Compilation procedures for commands in the generic core: *---------------------------------------------------------------- */ MODULE_SCOPE int TclCompileAppendCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileBreakCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileCatchCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileContinueCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileExprCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileForCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileForeachCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileIfCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileIncrCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileLappendCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileLassignCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileLindexCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileListCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileLlengthCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileLsetCmd _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Parse* parsePtr, struct CompileEnv* envPtr)); MODULE_SCOPE int TclCompileRegexpCmd _ANSI_ARGS_((Tcl_Interp* interp, Tcl_Parse* parsePtr, struct CompileEnv* envPtr)); MODULE_SCOPE int TclCompileReturnCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileSetCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileStringCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE int TclCompileSwitchCmd _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Parse *parsePtr, struct CompileEnv *envPtr)); MODULE_SCOPE 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. */ MODULE_SCOPE 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)); MODULE_SCOPE 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)); MODULE_SCOPE Tcl_Obj * TclPtrGetVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, CONST int flags)); MODULE_SCOPE Tcl_Obj * TclPtrSetVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, Tcl_Obj *newValuePtr, CONST int flags)); MODULE_SCOPE Tcl_Obj * TclPtrIncrVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, CONST long i, CONST int flags)); MODULE_SCOPE Tcl_Obj * TclPtrIncrWideVar _ANSI_ARGS_((Tcl_Interp *interp, Var *varPtr, Var *arrayPtr, CONST char *part1, CONST char *part2, CONST Tcl_WideInt i, CONST int flags)); MODULE_SCOPE void TclInvalidateNsPath _ANSI_ARGS_((Namespace *nsPtr)); /* *---------------------------------------------------------------- * 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: * * MODULE_SCOPE void TclNewObj _ANSI_ARGS_((Tcl_Obj *objPtr)); * MODULE_SCOPE 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 */ #ifndef TCL_MEM_DEBUG # define TclNewObj(objPtr) \ TclIncrObjsAllocated(); \ TclAllocObjStorage(objPtr); \ (objPtr)->refCount = 0; \ (objPtr)->bytes = tclEmptyStringRep; \ (objPtr)->length = 0; \ (objPtr)->typePtr = NULL # define TclDecrRefCount(objPtr) \ if (--(objPtr)->refCount <= 0) { \ if ((objPtr)->typePtr && (objPtr)->typePtr->freeIntRepProc) { \ TclFreeObj(objPtr); \ } else { \ if ((objPtr)->bytes \ && ((objPtr)->bytes != tclEmptyStringRep)) { \ ckfree((char *) (objPtr)->bytes); \ } \ TclFreeObjStorage(objPtr); \ TclIncrObjsFreed(); \ } \ } #if 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_Alloc(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. */ MODULE_SCOPE Tcl_Obj * TclThreadAllocObj _ANSI_ARGS_((void)); MODULE_SCOPE void TclThreadFreeObj _ANSI_ARGS_((Tcl_Obj *)); MODULE_SCOPE Tcl_Mutex *TclpNewAllocMutex _ANSI_ARGS_((void)); MODULE_SCOPE void TclFreeAllocCache _ANSI_ARGS_((void *)); MODULE_SCOPE void * TclpGetAllocCache _ANSI_ARGS_((void)); MODULE_SCOPE void TclpSetAllocCache _ANSI_ARGS_((void *)); MODULE_SCOPE void TclFinalizeThreadAlloc _ANSI_ARGS_((void)); MODULE_SCOPE void TclpFreeAllocMutex _ANSI_ARGS_((Tcl_Mutex* mutex)); MODULE_SCOPE void TclpFreeAllocCache _ANSI_ARGS_((void *)); # define TclAllocObjStorage(objPtr) \ (objPtr) = TclThreadAllocObj() # define TclFreeObjStorage(objPtr) \ TclThreadFreeObj((objPtr)) #else /* not PURIFY or USE_THREAD_ALLOC */ #ifdef TCL_THREADS /* declared in tclObj.c */ MODULE_SCOPE 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 #else /* TCL_MEM_DEBUG */ MODULE_SCOPE void TclDbInitNewObj _ANSI_ARGS_((Tcl_Obj *objPtr)); # define TclDbNewObj(objPtr, file, line) \ TclIncrObjsAllocated(); \ (objPtr) = (Tcl_Obj *) Tcl_DbCkalloc(sizeof(Tcl_Obj), (file), (line)); \ TclDbInitNewObj(objPtr); # define TclNewObj(objPtr) \ TclDbNewObj(objPtr, __FILE__, __LINE__); # define TclDecrRefCount(objPtr) \ Tcl_DbDecrRefCount(objPtr, __FILE__, __LINE__) # define TclNewListObjDirect(objc, objv) \ TclDbNewListObjDirect(objc, objv, __FILE__, __LINE__) #undef USE_THREAD_ALLOC #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: * * MODULE_SCOPE void TclInitStringRep _ANSI_ARGS_(( * Tcl_Obj *objPtr, char *bytePtr, int len)); * * This macro should only be called on an unshared objPtr where * objPtr->typePtr->freeIntRepProc == NULL *---------------------------------------------------------------- */ #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: * * MODULE_SCOPE char * TclGetString _ANSI_ARGS_((Tcl_Obj *objPtr)); *---------------------------------------------------------------- */ #define TclGetString(objPtr) \ ((objPtr)->bytes? (objPtr)->bytes : Tcl_GetString((objPtr))) /* *---------------------------------------------------------------- * Macro used by the Tcl core to clean out an object's internal * representation. Does not actually reset the rep's bytes. * The ANSI C "prototype" for this macro is: * * MODULE_SCOPE void TclFreeIntRep _ANSI_ARGS_((Tcl_Obj *objPtr)); *---------------------------------------------------------------- */ #define TclFreeIntRep(objPtr) \ if ((objPtr)->typePtr != NULL && \ (objPtr)->typePtr->freeIntRepProc != NULL) { \ (objPtr)->typePtr->freeIntRepProc(objPtr); \ } /* *---------------------------------------------------------------- * Macro used by the Tcl core to clean out an object's string * representation. The ANSI C "prototype" for this macro is: * * MODULE_SCOPE void TclInvalidateStringRep _ANSI_ARGS_((Tcl_Obj *objPtr)); *---------------------------------------------------------------- */ #define TclInvalidateStringRep(objPtr) \ if (objPtr->bytes != NULL) { \ if (objPtr->bytes != tclEmptyStringRep) {\ ckfree((char *) objPtr->bytes);\ }\ objPtr->bytes = NULL;\ }\ /* *---------------------------------------------------------------- * 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: * * MODULE_SCOPE 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: * * MODULE_SCOPE 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 */ /* *---------------------------------------------------------------- * Macro used by the Tcl core to increment a namespace's export * export epoch counter. * The ANSI C "prototype" for this macro is: * * MODULE_SCOPE void TclInvalidateNsCmdLookup _ANSI_ARGS_(( * Namespace *nsPtr)); *---------------------------------------------------------------- */ #define TclInvalidateNsCmdLookup(nsPtr) \ if ((nsPtr)->numExportPatterns) { \ (nsPtr)->exportLookupEpoch++; \ } /* *---------------------------------------------------------------------- * * Core procedures added to libtommath for bignum manipulation. * *---------------------------------------------------------------------- */ MODULE_SCOPE void* TclBNAlloc( size_t nBytes ); MODULE_SCOPE void* TclBNRealloc( void* oldBlock, size_t newNBytes ); MODULE_SCOPE void TclBNFree( void* block ); MODULE_SCOPE void TclBNInitBignumFromLong( mp_int* bignum, long initVal ); /* *---------------------------------------------------------------- * Macro used by the Tcl core to check whether a pattern has * any characters special to [string match]. * The ANSI C "prototype" for this macro is: * * MODULE_SCOPE int TclMatchIsTrivial _ANSI_ARGS_(( * CONST char *pattern)); *---------------------------------------------------------------- */ #define TclMatchIsTrivial(pattern) strpbrk((pattern), "*[]]?\\") == NULL /* *---------------------------------------------------------------- * Macros used by the Tcl core to set a Tcl_Obj's numeric representation * avoiding the corresponding function calls in time critical parts of the * core. They should only be called on unshared objects. The ANSI C * "prototypes" for these macros are: * * MODULE_SCOPE void TclSetIntObj _ANSI_ARGS_((Tcl_Obj *objPtr, * int intValue)); * MODULE_SCOPE void TclSetLongObj _ANSI_ARGS_((Tcl_Obj *objPtr, * long longValue)); * MODULE_SCOPE void TclSetBooleanObj _ANSI_ARGS_((Tcl_Obj *objPtr, * long boolValue)); * MODULE_SCOPE void TclSetWideIntObj _ANSI_ARGS_((Tcl_Obj *objPtr, * Tcl_WideInt w)); * MODULE_SCOPE void TclSetDoubleObj _ANSI_ARGS_((Tcl_Obj *objPtr, * double d)); * *---------------------------------------------------------------- */ #define TclSetIntObj(objPtr, i) \ TclInvalidateStringRep(objPtr);\ TclFreeIntRep(objPtr); \ (objPtr)->internalRep.longValue = (long)(i); \ (objPtr)->typePtr = &tclIntType #define TclSetLongObj(objPtr, l) \ TclSetIntObj((objPtr), (l)) /* * NOTE: There is to be no such thing as a "pure" boolean. * Boolean values set programmatically go straight to being * "int" Tcl_Obj's, with value 0 or 1. The only "boolean" * Tcl_Obj's shall be those holding the cached boolean value * of strings like: "yes", "no", "true", "false", "on", "off". */ #define TclSetBooleanObj(objPtr, b) \ TclSetIntObj((objPtr), ((b)? 1 : 0)); #define TclSetWideIntObj(objPtr, w) \ TclInvalidateStringRep(objPtr);\ TclFreeIntRep(objPtr); \ (objPtr)->internalRep.wideValue = (Tcl_WideInt)(w); \ (objPtr)->typePtr = &tclWideIntType #define TclSetDoubleObj(objPtr, d) \ TclInvalidateStringRep(objPtr);\ TclFreeIntRep(objPtr); \ (objPtr)->internalRep.doubleValue = (double)(d); \ (objPtr)->typePtr = &tclDoubleType /* *---------------------------------------------------------------- * Macros used by the Tcl core to create and initialise objects of * standard types, avoiding the corresponding function calls in time * critical parts of the core. The ANSI C "prototypes" for these * macros are: * * MODULE_SCOPE void TclNewIntObj _ANSI_ARGS_((Tcl_Obj *objPtr, * int i)); * MODULE_SCOPE void TclNewLongObj _ANSI_ARGS_((Tcl_Obj *objPtr, * long l)); * MODULE_SCOPE void TclNewBooleanObj _ANSI_ARGS_((Tcl_Obj *objPtr, * int b)); * MODULE_SCOPE void TclNewWideObj _ANSI_ARGS_((Tcl_Obj *objPtr, * Tcl_WideInt w)); * MODULE_SCOPE void TclNewDoubleObj _ANSI_ARGS_((Tcl_Obj *objPtr), * double d); * MODULE_SCOPE void TclNewStringObj _ANSI_ARGS_((Tcl_Obj *objPtr) * char *s, int len); * *---------------------------------------------------------------- */ #ifndef TCL_MEM_DEBUG #define TclNewIntObj(objPtr, i) \ TclIncrObjsAllocated(); \ TclAllocObjStorage(objPtr); \ (objPtr)->refCount = 0; \ (objPtr)->bytes = NULL; \ (objPtr)->internalRep.longValue = (long)(i); \ (objPtr)->typePtr = &tclIntType #define TclNewLongObj(objPtr, l) \ TclNewIntObj((objPtr), (l)) /* * NOTE: There is to be no such thing as a "pure" boolean. * See comment above TclSetBooleanObj macro above. */ #define TclNewBooleanObj(objPtr, b) \ TclNewIntObj((objPtr), ((b)? 1 : 0)) #define TclNewWideIntObj(objPtr, w) \ TclIncrObjsAllocated(); \ TclAllocObjStorage(objPtr); \ (objPtr)->refCount = 0; \ (objPtr)->bytes = NULL; \ (objPtr)->internalRep.wideValue = (Tcl_WideInt)(w); \ (objPtr)->typePtr = &tclWideIntType #define TclNewDoubleObj(objPtr, d) \ TclIncrObjsAllocated(); \ TclAllocObjStorage(objPtr); \ (objPtr)->refCount = 0; \ (objPtr)->bytes = NULL; \ (objPtr)->internalRep.doubleValue = (double)(d); \ (objPtr)->typePtr = &tclDoubleType #define TclNewStringObj(objPtr, s, len) \ TclNewObj(objPtr); \ TclInitStringRep((objPtr), (s), (len)) #else /* TCL_MEM_DEBUG */ #define TclNewIntObj(objPtr, i) \ (objPtr) = Tcl_NewIntObj(i) #define TclNewLongObj(objPtr, l) \ (objPtr) = Tcl_NewLongObj(l) #define TclNewBooleanObj(objPtr, b) \ (objPtr) = Tcl_NewBooleanObj(b) #define TclNewWideIntObj(objPtr, w)\ (objPtr) = Tcl_NewWideIntObj(w) #define TclNewDoubleObj(objPtr, d) \ (objPtr) = Tcl_NewDoubleObj(d) #define TclNewStringObj(objPtr, s, len) \ (objPtr) = Tcl_NewStringObj((s), (len)) #endif /* TCL_MEM_DEBUG */ #include "tclPort.h" #include "tclIntDecls.h" #include "tclIntPlatDecls.h" #endif /* _TCLINT */