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diff --git a/generic/tclInt.h b/generic/tclInt.h new file mode 100644 index 0000000..0b5ff0c --- /dev/null +++ b/generic/tclInt.h @@ -0,0 +1,4888 @@ +/* + * tclInt.h -- + * + * Declarations of things used internally by the Tcl interpreter. + * + * Copyright (c) 1987-1993 The Regents of the University of California. + * Copyright (c) 1993-1997 Lucent Technologies. + * Copyright (c) 1994-1998 Sun Microsystems, Inc. + * Copyright (c) 1998-1999 by Scriptics Corporation. + * Copyright (c) 2001, 2002 by Kevin B. Kenny. All rights reserved. + * Copyright (c) 2007 Daniel A. Steffen <das@users.sourceforge.net> + * Copyright (c) 2006-2008 by Joe Mistachkin. All rights reserved. + * Copyright (c) 2008 by Miguel Sofer. All rights reserved. + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#ifndef _TCLINT +#define _TCLINT + +/* + * Some numerics configuration options. + */ + +#undef ACCEPT_NAN + +/* + * In Tcl 8.7, stop supporting special hacks for legacy Itcl 3. + * Itcl 4 doesn't need them. Itcl 3 can be updated to not need them + * using the Tcl(Init|Reset)RewriteEnsemble() routines in all Tcl 8.6+ + * releases. Perhaps Tcl 8.7 will add even better public interfaces + * supporting all the re-invocation mechanisms extensions like Itcl 3 + * need. As an absolute last resort, folks who must make Itcl 3 work + * unchanged with Tcl 8.7 can remove this line to regain the migration + * support. Tcl 9 will no longer offer even that option. + */ + +#define AVOID_HACKS_FOR_ITCL 1 + +/* + * 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. + */ + +#include "tclPort.h" + +#include <stdio.h> + +#include <ctype.h> +#ifdef NO_STDLIB_H +# include "../compat/stdlib.h" +#else +# include <stdlib.h> +#endif +#ifdef NO_STRING_H +#include "../compat/string.h" +#else +#include <string.h> +#endif +#if defined(STDC_HEADERS) || defined(__STDC__) || defined(__C99__FUNC__) \ + || defined(__cplusplus) || defined(_MSC_VER) +#include <stddef.h> +#else +typedef int ptrdiff_t; +#endif + +/* + * Ensure WORDS_BIGENDIAN is defined correctly: + * Needs to happen here in addition to configure to work with fat compiles on + * Darwin (where configure runs only once for multiple architectures). + */ + +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif +#ifdef BYTE_ORDER +# ifdef BIG_ENDIAN +# if BYTE_ORDER == BIG_ENDIAN +# undef WORDS_BIGENDIAN +# define WORDS_BIGENDIAN 1 +# endif +# endif +# ifdef LITTLE_ENDIAN +# if BYTE_ORDER == LITTLE_ENDIAN +# undef WORDS_BIGENDIAN +# endif +# endif +#endif + +/* + * Used to tag functions that are only to be visible within the module being + * built and not outside it (where this is supported by the linker). + */ + +#ifndef MODULE_SCOPE +# ifdef __cplusplus +# define MODULE_SCOPE extern "C" +# else +# define MODULE_SCOPE extern +# endif +#endif + +/* + * Macros used to cast between pointers and integers (e.g. when storing an int + * in ClientData), on 64-bit architectures they avoid gcc warning about "cast + * to/from pointer from/to integer of different size". + */ + +#if !defined(INT2PTR) && !defined(PTR2INT) +# if defined(HAVE_INTPTR_T) || defined(intptr_t) +# define INT2PTR(p) ((void *)(intptr_t)(p)) +# define PTR2INT(p) ((int)(intptr_t)(p)) +# else +# define INT2PTR(p) ((void *)(p)) +# define PTR2INT(p) ((int)(p)) +# endif +#endif +#if !defined(UINT2PTR) && !defined(PTR2UINT) +# if defined(HAVE_UINTPTR_T) || defined(uintptr_t) +# define UINT2PTR(p) ((void *)(uintptr_t)(p)) +# define PTR2UINT(p) ((unsigned int)(uintptr_t)(p)) +# else +# define UINT2PTR(p) ((void *)(p)) +# define PTR2UINT(p) ((unsigned int)(p)) +# endif +#endif + +#if defined(_WIN32) && defined(_MSC_VER) +# define vsnprintf _vsnprintf +#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)(Tcl_Interp *interp, + struct Tcl_ResolvedVarInfo *vinfoPtr); + +typedef void (Tcl_ResolveVarDeleteProc)(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)(Tcl_Interp *interp, + CONST84 char *name, int length, Tcl_Namespace *context, + Tcl_ResolvedVarInfo **rPtr); + +typedef int (Tcl_ResolveVarProc)(Tcl_Interp *interp, CONST84 char *name, + Tcl_Namespace *context, int flags, Tcl_Var *rPtr); + +typedef int (Tcl_ResolveCmdProc)(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; + +/* + * This flag bit should not interfere with TCL_GLOBAL_ONLY, + * TCL_NAMESPACE_ONLY, or TCL_LEAVE_ERR_MSG; it signals that the variable + * lookup is performed for upvar (or similar) purposes, with slightly + * different rules: + * - Bug #696893 - variable is either proc-local or in the current + * namespace; never follow the second (global) resolution path + * - Bug #631741 - do not use special namespace or interp resolvers + * + * It should also not collide with the (deprecated) TCL_PARSE_PART1 flag + * (Bug #835020) + */ + +#define TCL_AVOID_RESOLVERS 0x40000 + +/* + *---------------------------------------------------------------- + * Data structures related to namespaces. + *---------------------------------------------------------------- + */ + +typedef struct Tcl_Ensemble Tcl_Ensemble; +typedef struct NamespacePathEntry NamespacePathEntry; + +/* + * Special hashtable for variables: this is just a Tcl_HashTable with an nsPtr + * field added at the end: in this way variables can find their namespace + * without having to copy a pointer in their struct: they can access it via + * their hPtr->tablePtr. + */ + +typedef struct TclVarHashTable { + Tcl_HashTable table; + struct Namespace *nsPtr; +} TclVarHashTable; + +/* + * This is for itcl - it likes to search our varTables directly :( + */ + +#define TclVarHashFindVar(tablePtr, key) \ + TclVarHashCreateVar((tablePtr), (key), NULL) + +/* + * Define this to reduce the amount of space that the average namespace + * consumes by only allocating the table of child namespaces when necessary. + * Defining it breaks compatibility for Tcl extensions (e.g., itcl) which + * reach directly into the Namespace structure. + */ + +#undef BREAK_NAMESPACE_COMPAT + +/* + * 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. */ +#ifndef BREAK_NAMESPACE_COMPAT + Tcl_HashTable childTable; /* Contains any child namespaces. Indexed by + * strings; values have type (Namespace *). */ +#else + Tcl_HashTable *childTablePtr; + /* Contains any child namespaces. Indexed by + * strings; values have type (Namespace *). If + * NULL, there are no children. */ +#endif + size_t 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. */ + TclVarHashTable 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. */ + size_t 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. */ + size_t 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. */ + size_t 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. */ + Tcl_Obj *unknownHandlerPtr; /* A script fragment to be used when command + * resolution in this namespace fails. TIP + * 181. */ + 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. */ + Tcl_NamespaceDeleteProc *earlyDeleteProc; + /* Just like the deleteProc field (and called + * with the same clientData) but called at the + * start of the deletion process, so there is + * a chance for code to do stuff inside the + * namespace before deletion completes. */ +} 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. + * NS_KILLED - 1 means that TclTeardownNamespace has already been called on + * this namespace and it should not be called again [Bug 1355942] + * NS_SUPPRESS_COMPILATION - + * Marks the commands in this namespace for not being compiled, + * forcing them to be looked up every time. + */ + +#define NS_DYING 0x01 +#define NS_DEAD 0x02 +#define NS_KILLED 0x04 +#define NS_SUPPRESS_COMPILATION 0x08 + +/* + * 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 + +/* + * The client data for an ensemble command. This consists of the table of + * commands that are actually exported by the namespace, and an epoch counter + * that, combined with the exportLookupEpoch field of the namespace structure, + * defines whether the table contains valid data or will need to be recomputed + * next time the ensemble command is called. + */ + +typedef struct EnsembleConfig { + Namespace *nsPtr; /* The namspace backing this ensemble up. */ + Tcl_Command token; /* The token for the command that provides + * ensemble support for the namespace, or NULL + * if the command has been deleted (or never + * existed; the global namespace never has an + * ensemble command.) */ + size_t epoch; /* The epoch at which this ensemble's table of + * exported commands is valid. */ + char **subcommandArrayPtr; /* Array of ensemble subcommand names. At all + * consistent points, this will have the same + * number of entries as there are entries in + * the subcommandTable hash. */ + Tcl_HashTable subcommandTable; + /* Hash table of ensemble subcommand names, + * which are its keys so this also provides + * the storage management for those subcommand + * names. The contents of the entry values are + * object version the prefix lists to use when + * substituting for the command/subcommand to + * build the ensemble implementation command. + * Has to be stored here as well as in + * subcommandDict because that field is NULL + * when we are deriving the ensemble from the + * namespace exports list. FUTURE WORK: use + * object hash table here. */ + struct EnsembleConfig *next;/* The next ensemble in the linked list of + * ensembles associated with a namespace. If + * this field points to this ensemble, the + * structure has already been unlinked from + * all lists, and cannot be found by scanning + * the list from the namespace's ensemble + * field. */ + int flags; /* ORed combo of TCL_ENSEMBLE_PREFIX, + * ENSEMBLE_DEAD and ENSEMBLE_COMPILE. */ + + /* OBJECT FIELDS FOR ENSEMBLE CONFIGURATION */ + + Tcl_Obj *subcommandDict; /* Dictionary providing mapping from + * subcommands to their implementing command + * prefixes, or NULL if we are to build the + * map automatically from the namespace + * exports. */ + Tcl_Obj *subcmdList; /* List of commands that this ensemble + * actually provides, and whose implementation + * will be built using the subcommandDict (if + * present and defined) and by simple mapping + * to the namespace otherwise. If NULL, + * indicates that we are using the (dynamic) + * list of currently exported commands. */ + Tcl_Obj *unknownHandler; /* Script prefix used to handle the case when + * no match is found (according to the rule + * defined by flag bit TCL_ENSEMBLE_PREFIX) or + * NULL to use the default error-generating + * behaviour. The script execution gets all + * the arguments to the ensemble command + * (including objv[0]) and will have the + * results passed directly back to the caller + * (including the error code) unless the code + * is TCL_CONTINUE in which case the + * subcommand will be reparsed by the ensemble + * core, presumably because the ensemble + * itself has been updated. */ + Tcl_Obj *parameterList; /* List of ensemble parameter names. */ + int numParameters; /* Cached number of parameters. This is either + * 0 (if the parameterList field is NULL) or + * the length of the list in the parameterList + * field. */ +} EnsembleConfig; + +/* + * Various bits for the EnsembleConfig.flags field. + */ + +#define ENSEMBLE_DEAD 0x1 /* Flag value to say that the ensemble is dead + * and on its way out. */ +#define ENSEMBLE_COMPILE 0x4 /* Flag to enable bytecode compilation of an + * ensemble. */ + +/* + *---------------------------------------------------------------- + * Data structures related to variables. These are used primarily in tclVar.c + *---------------------------------------------------------------- + */ + +/* + * The following structure defines a variable trace, which is used to invoke a + * specific C procedure whenever certain operations are performed on a + * variable. + */ + +typedef struct VarTrace { + Tcl_VarTraceProc *traceProc;/* Procedure to call when operations given by + * flags are performed on variable. */ + ClientData clientData; /* Argument to pass to proc. */ + int flags; /* What events the trace procedure is + * interested in: OR-ed combination of + * TCL_TRACE_READS, TCL_TRACE_WRITES, + * TCL_TRACE_UNSETS and TCL_TRACE_ARRAY. */ + struct VarTrace *nextPtr; /* Next in list of traces associated with a + * particular variable. */ +} VarTrace; + +/* + * The following structure defines a command trace, which is used to invoke a + * specific C procedure whenever certain operations are performed on a + * command. + */ + +typedef struct CommandTrace { + Tcl_CommandTraceProc *traceProc; + /* Procedure to call when operations given by + * flags are performed on command. */ + ClientData clientData; /* Argument to pass to proc. */ + int flags; /* What events the trace procedure is + * interested in: OR-ed combination of + * TCL_TRACE_RENAME, TCL_TRACE_DELETE. */ + struct CommandTrace *nextPtr; + /* Next in list of traces associated with a + * particular command. */ + int refCount; /* Used to ensure this structure is not + * deleted too early. Keeps track of how many + * pieces of code have a pointer to this + * structure. */ +} CommandTrace; + +/* + * When a command trace is active (i.e. its associated procedure is executing) + * one of the following structures is linked into a list associated with the + * command's interpreter. The information in the structure is needed in order + * for Tcl to behave reasonably if traces are deleted while traces are active. + */ + +typedef struct ActiveCommandTrace { + struct Command *cmdPtr; /* Command that's being traced. */ + struct ActiveCommandTrace *nextPtr; + /* Next in list of all active command traces + * for the interpreter, or NULL if no more. */ + CommandTrace *nextTracePtr; /* Next trace to check after current trace + * procedure returns; if this trace gets + * deleted, must update pointer to avoid using + * free'd memory. */ + int reverseScan; /* Boolean set true when traces are scanning + * in reverse order. */ +} ActiveCommandTrace; + +/* + * When a variable trace is active (i.e. its associated procedure is + * executing) one of the following structures is linked into a list associated + * with the variable's interpreter. The information in the structure is needed + * in order for Tcl to behave reasonably if traces are deleted while traces + * are active. + */ + +typedef struct ActiveVarTrace { + struct Var *varPtr; /* Variable that's being traced. */ + struct ActiveVarTrace *nextPtr; + /* Next in list of all active variable traces + * for the interpreter, or NULL if no more. */ + VarTrace *nextTracePtr; /* Next trace to check after current trace + * procedure returns; if this trace gets + * deleted, must update pointer to avoid using + * free'd memory. */ +} ActiveVarTrace; + +/* + * The 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 { + int flags; /* Miscellaneous bits of information about + * variable. See below for definitions. */ + union { + Tcl_Obj *objPtr; /* The variable's object value. Used for + * scalar variables and array elements. */ + TclVarHashTable *tablePtr;/* For array variables, this points to + * information about the hash table used to + * implement the associative array. Points to + * ckalloc-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; +} Var; + +typedef struct VarInHash { + Var var; + int refCount; /* Counts number of active uses of this + * variable: 1 for the entry in 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. */ + Tcl_HashEntry entry; /* The hash table entry that refers to this + * variable. This is used to find the name of + * the variable and to delete it from its + * hashtable if it is no longer needed. It + * also holds the variable's name. */ +} VarInHash; + +/* + * Flag bits for variables. The first two (VAR_ARRAY and VAR_LINK) are + * mutually exclusive and give the "type" of the variable. If none is set, + * this is a scalar variable. + * + * 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. + * + * Flags that indicate the type and status of storage; none is set for + * compiled local variables (Var structs). + * + * 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_DEAD_HASH 1 means that this var's entry in the hashtable + * has already been 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. + * + * Flag values relating to the variable's trace and search status. + * + * VAR_TRACED_READ + * VAR_TRACED_WRITE + * VAR_TRACED_UNSET + * VAR_TRACED_ARRAY + * 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_SEARCH_ACTIVE + * + * 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. + * VAR_IS_ARGS 1 if this variable is the last argument and is + * named "args". + */ + +/* + * FLAGS RENUMBERED: everything breaks already, make things simpler. + * + * IMPORTANT: skip the values 0x10, 0x20, 0x40, 0x800 corresponding to + * TCL_TRACE_(READS/WRITES/UNSETS/ARRAY): makes code simpler in tclTrace.c + * + * Keep the flag values for VAR_ARGUMENT and VAR_TEMPORARY so that old values + * in precompiled scripts keep working. + */ + +/* Type of value (0 is scalar) */ +#define VAR_ARRAY 0x1 +#define VAR_LINK 0x2 + +/* Type of storage (0 is compiled local) */ +#define VAR_IN_HASHTABLE 0x4 +#define VAR_DEAD_HASH 0x8 +#define VAR_ARRAY_ELEMENT 0x1000 +#define VAR_NAMESPACE_VAR 0x80 /* KEEP OLD VALUE for Itcl */ + +#define VAR_ALL_HASH \ + (VAR_IN_HASHTABLE|VAR_DEAD_HASH|VAR_NAMESPACE_VAR|VAR_ARRAY_ELEMENT) + +/* Trace and search state. */ + +#define VAR_TRACED_READ 0x10 /* TCL_TRACE_READS */ +#define VAR_TRACED_WRITE 0x20 /* TCL_TRACE_WRITES */ +#define VAR_TRACED_UNSET 0x40 /* TCL_TRACE_UNSETS */ +#define VAR_TRACED_ARRAY 0x800 /* TCL_TRACE_ARRAY */ +#define VAR_TRACE_ACTIVE 0x2000 +#define VAR_SEARCH_ACTIVE 0x4000 +#define VAR_ALL_TRACES \ + (VAR_TRACED_READ|VAR_TRACED_WRITE|VAR_TRACED_ARRAY|VAR_TRACED_UNSET) + +/* Special handling on initialisation (only CompiledLocal). */ +#define VAR_ARGUMENT 0x100 /* KEEP OLD VALUE! See tclProc.c */ +#define VAR_TEMPORARY 0x200 /* KEEP OLD VALUE! See tclProc.c */ +#define VAR_IS_ARGS 0x400 +#define VAR_RESOLVED 0x8000 + +/* + * Macros to ensure that various flag bits are set properly for variables. + * The ANSI C "prototypes" for these macros are: + * + * MODULE_SCOPE void TclSetVarScalar(Var *varPtr); + * MODULE_SCOPE void TclSetVarArray(Var *varPtr); + * MODULE_SCOPE void TclSetVarLink(Var *varPtr); + * MODULE_SCOPE void TclSetVarArrayElement(Var *varPtr); + * MODULE_SCOPE void TclSetVarUndefined(Var *varPtr); + * MODULE_SCOPE void TclClearVarUndefined(Var *varPtr); + */ + +#define TclSetVarScalar(varPtr) \ + (varPtr)->flags &= ~(VAR_ARRAY|VAR_LINK) + +#define TclSetVarArray(varPtr) \ + (varPtr)->flags = ((varPtr)->flags & ~VAR_LINK) | VAR_ARRAY + +#define TclSetVarLink(varPtr) \ + (varPtr)->flags = ((varPtr)->flags & ~VAR_ARRAY) | VAR_LINK + +#define TclSetVarArrayElement(varPtr) \ + (varPtr)->flags = ((varPtr)->flags & ~VAR_ARRAY) | VAR_ARRAY_ELEMENT + +#define TclSetVarUndefined(varPtr) \ + (varPtr)->flags &= ~(VAR_ARRAY|VAR_LINK);\ + (varPtr)->value.objPtr = NULL + +#define TclClearVarUndefined(varPtr) + +#define TclSetVarTraceActive(varPtr) \ + (varPtr)->flags |= VAR_TRACE_ACTIVE + +#define TclClearVarTraceActive(varPtr) \ + (varPtr)->flags &= ~VAR_TRACE_ACTIVE + +#define TclSetVarNamespaceVar(varPtr) \ + if (!TclIsVarNamespaceVar(varPtr)) {\ + (varPtr)->flags |= VAR_NAMESPACE_VAR;\ + if (TclIsVarInHash(varPtr)) {\ + ((VarInHash *)(varPtr))->refCount++;\ + }\ + } + +#define TclClearVarNamespaceVar(varPtr) \ + if (TclIsVarNamespaceVar(varPtr)) {\ + (varPtr)->flags &= ~VAR_NAMESPACE_VAR;\ + if (TclIsVarInHash(varPtr)) {\ + ((VarInHash *)(varPtr))->refCount--;\ + }\ + } + +/* + * Macros to read various flag bits of variables. + * The ANSI C "prototypes" for these macros are: + * + * MODULE_SCOPE int TclIsVarScalar(Var *varPtr); + * MODULE_SCOPE int TclIsVarLink(Var *varPtr); + * MODULE_SCOPE int TclIsVarArray(Var *varPtr); + * MODULE_SCOPE int TclIsVarUndefined(Var *varPtr); + * MODULE_SCOPE int TclIsVarArrayElement(Var *varPtr); + * MODULE_SCOPE int TclIsVarTemporary(Var *varPtr); + * MODULE_SCOPE int TclIsVarArgument(Var *varPtr); + * MODULE_SCOPE int TclIsVarResolved(Var *varPtr); + */ + +#define TclIsVarScalar(varPtr) \ + !((varPtr)->flags & (VAR_ARRAY|VAR_LINK)) + +#define TclIsVarLink(varPtr) \ + ((varPtr)->flags & VAR_LINK) + +#define TclIsVarArray(varPtr) \ + ((varPtr)->flags & VAR_ARRAY) + +#define TclIsVarUndefined(varPtr) \ + ((varPtr)->value.objPtr == NULL) + +#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 TclIsVarTraced(varPtr) \ + ((varPtr)->flags & VAR_ALL_TRACES) + +#define TclIsVarInHash(varPtr) \ + ((varPtr)->flags & VAR_IN_HASHTABLE) + +#define TclIsVarDeadHash(varPtr) \ + ((varPtr)->flags & VAR_DEAD_HASH) + +#define TclGetVarNsPtr(varPtr) \ + (TclIsVarInHash(varPtr) \ + ? ((TclVarHashTable *) ((((VarInHash *) (varPtr))->entry.tablePtr)))->nsPtr \ + : NULL) + +#define VarHashRefCount(varPtr) \ + ((VarInHash *) (varPtr))->refCount + +/* + * Macros for direct variable access by TEBC. + */ + +#define TclIsVarDirectReadable(varPtr) \ + ( !((varPtr)->flags & (VAR_ARRAY|VAR_LINK|VAR_TRACED_READ)) \ + && (varPtr)->value.objPtr) + +#define TclIsVarDirectWritable(varPtr) \ + !((varPtr)->flags & (VAR_ARRAY|VAR_LINK|VAR_TRACED_WRITE|VAR_DEAD_HASH)) + +#define TclIsVarDirectUnsettable(varPtr) \ + !((varPtr)->flags & (VAR_ARRAY|VAR_LINK|VAR_TRACED_READ|VAR_TRACED_WRITE|VAR_TRACED_UNSET|VAR_DEAD_HASH)) + +#define TclIsVarDirectModifyable(varPtr) \ + ( !((varPtr)->flags & (VAR_ARRAY|VAR_LINK|VAR_TRACED_READ|VAR_TRACED_WRITE)) \ + && (varPtr)->value.objPtr) + +#define TclIsVarDirectReadable2(varPtr, arrayPtr) \ + (TclIsVarDirectReadable(varPtr) &&\ + (!(arrayPtr) || !((arrayPtr)->flags & VAR_TRACED_READ))) + +#define TclIsVarDirectWritable2(varPtr, arrayPtr) \ + (TclIsVarDirectWritable(varPtr) &&\ + (!(arrayPtr) || !((arrayPtr)->flags & VAR_TRACED_WRITE))) + +#define TclIsVarDirectModifyable2(varPtr, arrayPtr) \ + (TclIsVarDirectModifyable(varPtr) &&\ + (!(arrayPtr) || !((arrayPtr)->flags & (VAR_TRACED_READ|VAR_TRACED_WRITE)))) + +/* + *---------------------------------------------------------------- + * 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_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[1]; /* 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 type of functions called to process errors found during the execution + * of a procedure (or lambda term or ...). + */ + +typedef void (ProcErrorProc)(Tcl_Interp *interp, Tcl_Obj *procNameObj); + +/* + * The structure below defines a command trace. This is used to allow Tcl + * clients to find out whenever a command is about to be executed. + */ + +typedef struct Trace { + int level; /* Only trace commands at nesting level less + * than or equal to this. */ + Tcl_CmdObjTraceProc *proc; /* Procedure to call to trace command. */ + ClientData clientData; /* Arbitrary value to pass to proc. */ + struct Trace *nextPtr; /* Next in list of traces for this interp. */ + int flags; /* Flags governing the trace - see + * Tcl_CreateObjTrace for details. */ + Tcl_CmdObjTraceDeleteProc *delProc; + /* Procedure to call when trace is deleted. */ +} Trace; + +/* + * When an interpreter trace is active (i.e. its associated procedure is + * executing), one of the following structures is linked into a list + * associated with the interpreter. The information in the structure is needed + * in order for Tcl to behave reasonably if traces are deleted while traces + * are active. + */ + +typedef struct ActiveInterpTrace { + struct ActiveInterpTrace *nextPtr; + /* Next in list of all active command traces + * for the interpreter, or NULL if no more. */ + Trace *nextTracePtr; /* Next trace to check after current trace + * procedure returns; if this trace gets + * deleted, must update pointer to avoid using + * free'd memory. */ + int reverseScan; /* Boolean set true when traces are scanning + * in reverse order. */ +} 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 - triggers 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. + */ + +/* + * Will be grown to contain: pointers to the varnames (allocated at the end), + * plus the init values for each variable (suitable to be memcopied on init) + */ + +typedef struct LocalCache { + int refCount; + int numVars; + Tcl_Obj *varName0; +} LocalCache; + +#define localName(framePtr, i) \ + ((&((framePtr)->localCachePtr->varName0))[(i)]) + +MODULE_SCOPE void TclFreeLocalCache(Tcl_Interp *interp, + LocalCache *localCachePtr); + +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). */ + TclVarHashTable *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. */ + ClientData clientData; /* Pointer to some context that is used by + * object systems. The meaning of the contents + * of this field is defined by the code that + * sets it, and it should only ever be set by + * the code that is pushing the frame. In that + * case, the code that sets it should also + * have some means of discovering what the + * meaning of the value is, which we do not + * specify. */ + LocalCache *localCachePtr; + Tcl_Obj *tailcallPtr; + /* NULL if no tailcall is scheduled */ +} CallFrame; + +#define FRAME_IS_PROC 0x1 +#define FRAME_IS_LAMBDA 0x2 +#define FRAME_IS_METHOD 0x4 /* The frame is a method body, and the frame's + * clientData field contains a CallContext + * reference. Part of TIP#257. */ +#define FRAME_IS_OO_DEFINE 0x8 /* The frame is part of the inside workings of + * the [oo::define] command; the clientData + * field contains an Object reference that has + * been confirmed to refer to a class. Part of + * TIP#257. */ + +/* + * TIP #280 + * The structure below defines a command frame. A command frame provides + * location information for all commands executing a tcl script (source, eval, + * uplevel, procedure bodies, ...). The runtime structure essentially contains + * the stack trace as it would be if the currently executing command were to + * throw an error. + * + * For commands where it makes sense it refers to the associated CallFrame as + * well. + * + * The structures are chained in a single list, with the top of the stack + * anchored in the Interp structure. + * + * Instances can be allocated on the C stack, or the heap, the former making + * cleanup a bit simpler. + */ + +typedef struct CmdFrame { + /* + * General data. Always available. + */ + + int type; /* Values see below. */ + int level; /* Number of frames in stack, prevent O(n) + * scan of list. */ + int *line; /* Lines the words of the command start on. */ + int nline; + CallFrame *framePtr; /* Procedure activation record, may be + * NULL. */ + struct CmdFrame *nextPtr; /* Link to calling frame. */ + /* + * Data needed for Eval vs TEBC + * + * EXECUTION CONTEXTS and usage of CmdFrame + * + * Field TEBC EvalEx + * ======= ==== ====== + * level yes yes + * type BC/PREBC SRC/EVAL + * line0 yes yes + * framePtr yes yes + * ======= ==== ====== + * + * ======= ==== ========= union data + * line1 - yes + * line3 - yes + * path - yes + * ------- ---- ------ + * codePtr yes - + * pc yes - + * ======= ==== ====== + * + * ======= ==== ========= union cmd + * str.cmd yes yes + * str.len yes yes + * ------- ---- ------ + */ + + union { + struct { + Tcl_Obj *path; /* Path of the sourced file the command is + * in. */ + } eval; + struct { + const void *codePtr;/* Byte code currently executed... */ + const char *pc; /* ... and instruction pointer. */ + } tebc; + } data; + Tcl_Obj *cmdObj; + const char *cmd; /* The executed command, if possible... */ + int len; /* ... and its length. */ + const struct CFWordBC *litarg; + /* Link to set of literal arguments which have + * ben pushed on the lineLABCPtr stack by + * TclArgumentBCEnter(). These will be removed + * by TclArgumentBCRelease. */ +} CmdFrame; + +typedef struct CFWord { + CmdFrame *framePtr; /* CmdFrame to access. */ + int word; /* Index of the word in the command. */ + int refCount; /* Number of times the word is on the + * stack. */ +} CFWord; + +typedef struct CFWordBC { + CmdFrame *framePtr; /* CmdFrame to access. */ + int pc; /* Instruction pointer of a command in + * ExtCmdLoc.loc[.] */ + int word; /* Index of word in + * ExtCmdLoc.loc[cmd]->line[.] */ + struct CFWordBC *prevPtr; /* Previous entry in stack for same Tcl_Obj. */ + struct CFWordBC *nextPtr; /* Next entry for same command call. See + * CmdFrame litarg field for the list start. */ + Tcl_Obj *obj; /* Back reference to hashtable key */ +} CFWordBC; + +/* + * Structure to record the locations of invisible continuation lines in + * literal scripts, as character offset from the beginning of the script. Both + * compiler and direct evaluator use this information to adjust their line + * counters when tracking through the script, because when it is invoked the + * continuation line marker as a whole has been removed already, meaning that + * the \n which was part of it is gone as well, breaking regular line + * tracking. + * + * These structures are allocated and filled by both the function + * TclSubstTokens() in the file "tclParse.c" and its caller TclEvalEx() in the + * file "tclBasic.c", and stored in the thread-global hashtable "lineCLPtr" in + * file "tclObj.c". They are used by the functions TclSetByteCodeFromAny() and + * TclCompileScript(), both found in the file "tclCompile.c". Their memory is + * released by the function TclFreeObj(), in the file "tclObj.c", and also by + * the function TclThreadFinalizeObjects(), in the same file. + */ + +#define CLL_END (-1) + +typedef struct ContLineLoc { + int num; /* Number of entries in loc, not counting the + * final -1 marker entry. */ + int loc[1]; /* Table of locations, as character offsets. + * The table is allocated as part of the + * structure, extending behind the nominal end + * of the structure. An entry containing the + * value -1 is put after the last location, as + * end-marker/sentinel. */ +} ContLineLoc; + +/* + * The following macros define the allowed values for the type field of the + * CmdFrame structure above. Some of the values occur only in the extended + * location data referenced via the 'baseLocPtr'. + * + * TCL_LOCATION_EVAL : Frame is for a script evaluated by EvalEx. + * TCL_LOCATION_BC : Frame is for bytecode. + * TCL_LOCATION_PREBC : Frame is for precompiled bytecode. + * TCL_LOCATION_SOURCE : Frame is for a script evaluated by EvalEx, from a + * sourced file. + * TCL_LOCATION_PROC : Frame is for bytecode of a procedure. + * + * A TCL_LOCATION_BC type in a frame can be overridden by _SOURCE and _PROC + * types, per the context of the byte code in execution. + */ + +#define TCL_LOCATION_EVAL (0) /* Location in a dynamic eval script. */ +#define TCL_LOCATION_BC (2) /* Location in byte code. */ +#define TCL_LOCATION_PREBC (3) /* Location in precompiled byte code, no + * location. */ +#define TCL_LOCATION_SOURCE (4) /* Location in a file. */ +#define TCL_LOCATION_PROC (5) /* Location in a dynamic proc. */ +#define TCL_LOCATION_LAST (6) /* Number of values in the enum. */ + +/* + * Structure passed to describe procedure-like "procedures" that are not + * procedures (e.g. a lambda) so that their details can be reported correctly + * by [info frame]. Contains a sub-structure for each extra field. + */ + +typedef Tcl_Obj * (GetFrameInfoValueProc)(ClientData clientData); +typedef struct { + const char *name; /* Name of this field. */ + GetFrameInfoValueProc *proc; /* Function to generate a Tcl_Obj* from the + * clientData, or just use the clientData + * directly (after casting) if NULL. */ + ClientData clientData; /* Context for above function, or Tcl_Obj* if + * proc field is NULL. */ +} ExtraFrameInfoField; +typedef struct { + int length; /* Length of array. */ + ExtraFrameInfoField fields[2]; + /* Really as long as necessary, but this is + * long enough for nearly anything. */ +} ExtraFrameInfo; + +/* + *---------------------------------------------------------------- + * 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; + +/* + *---------------------------------------------------------------- + * Experimental flag value passed to Tcl_GetRegExpFromObj. Intended for use + * only by Expect. It will probably go away in a later release. + *---------------------------------------------------------------- + */ + +#define TCL_REG_BOSONLY 002000 /* Prepend \A to pattern so it only matches at + * the beginning of the string. */ + +/* + * 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(Tcl_ThreadDataKey *keyPtr); +MODULE_SCOPE void TclThreadDataKeySet(Tcl_ThreadDataKey *keyPtr, + void *data); + +/* + * This is a convenience macro used to initialize a thread local storage ptr. + */ + +#define TCL_TSD_INIT(keyPtr) \ + 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)(Tcl_Interp *interp, Tcl_Parse *parsePtr, + struct Command *cmdPtr, struct CompileEnv *compEnvPtr); + +/* + * The type of procedure called from the compilation hook point in + * SetByteCodeFromAny. + */ + +typedef int (CompileHookProc)(Tcl_Interp *interp, + struct CompileEnv *compEnvPtr, ClientData clientData); + +/* + * The data structure for a (linked list of) execution stacks. + */ + +typedef struct ExecStack { + struct ExecStack *prevPtr; + struct ExecStack *nextPtr; + Tcl_Obj **markerPtr; + Tcl_Obj **endPtr; + Tcl_Obj **tosPtr; + Tcl_Obj *stackWords[1]; +} ExecStack; + +/* + * 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 member stackPtr points to the stackItems of the + * currently active execution stack. + */ + +typedef struct CorContext { + struct CallFrame *framePtr; + struct CallFrame *varFramePtr; + struct CmdFrame *cmdFramePtr; /* See Interp.cmdFramePtr */ + Tcl_HashTable *lineLABCPtr; /* See Interp.lineLABCPtr */ +} CorContext; + +typedef struct CoroutineData { + struct Command *cmdPtr; /* The command handle for the coroutine. */ + struct ExecEnv *eePtr; /* The special execution environment (stacks, + * etc.) for the coroutine. */ + struct ExecEnv *callerEEPtr;/* The execution environment for the caller of + * the coroutine, which might be the + * interpreter global environment or another + * coroutine. */ + CorContext caller; + CorContext running; + Tcl_HashTable *lineLABCPtr; /* See Interp.lineLABCPtr */ + void *stackLevel; + int auxNumLevels; /* While the coroutine is running the + * numLevels of the create/resume command is + * stored here; for suspended coroutines it + * holds the nesting numLevels at yield. */ + int nargs; /* Number of args required for resuming this + * coroutine; -2 means "0 or 1" (default), -1 + * means "any" */ +} CoroutineData; + +typedef struct ExecEnv { + ExecStack *execStackPtr; /* Points to the first item in the evaluation + * stack on the heap. */ + Tcl_Obj *constants[2]; /* Pointers to constant "0" and "1" objs. */ + struct Tcl_Interp *interp; + struct NRE_callback *callbackPtr; + /* Top callback in NRE's stack. */ + struct CoroutineData *corPtr; + int rewind; +} ExecEnv; + +#define COR_IS_SUSPENDED(corPtr) \ + ((corPtr)->stackLevel == NULL) + +/* + * 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 */ + +/* + * Structure used in implementation of those core ensembles which are + * partially compiled. Used as an array of these, with a terminating field + * whose 'name' is NULL. + */ + +typedef struct { + const char *name; /* The name of the subcommand. */ + Tcl_ObjCmdProc *proc; /* The implementation of the subcommand. */ + CompileProc *compileProc; /* The compiler for the subcommand. */ + Tcl_ObjCmdProc *nreProc; /* NRE implementation of this command. */ + ClientData clientData; /* Any clientData to give the command. */ + int unsafe; /* Whether this command is to be hidden by + * default in a safe interpreter. */ +} EnsembleImplMap; + +/* + *---------------------------------------------------------------- + * 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. */ + size_t 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. */ + Tcl_ObjCmdProc *nreProc; /* NRE implementation of 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. + * CMD_COMPILES_EXPANDED - 1 means that this command has a compiler that + * can handle expansion (provided it is not the + * first word). + * 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 0x01 +#define CMD_TRACE_ACTIVE 0x02 +#define CMD_HAS_EXEC_TRACES 0x04 +#define CMD_COMPILES_EXPANDED 0x08 +#define CMD_REDEF_IN_PROGRESS 0x10 +#define CMD_VIA_RESOLVER 0x20 + + +/* + *---------------------------------------------------------------- + * 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; + +/* + * TIP #268. + * Values for the selection mode, i.e the package require preferences. + */ + +enum PkgPreferOptions { + PKG_PREFER_LATEST, PKG_PREFER_STABLE +}; + +/* + *---------------------------------------------------------------- + * This structure shadows the first few fields of the memory cache for the + * allocator defined in tclThreadAlloc.c; it has to be kept in sync with the + * definition there. + * Some macros require knowledge of some fields in the struct in order to + * avoid hitting the TSD unnecessarily. In order to facilitate this, a pointer + * to the relevant fields is kept in the allocCache field in struct Interp. + *---------------------------------------------------------------- + */ + +typedef struct AllocCache { + struct Cache *nextPtr; /* Linked list of cache entries. */ + Tcl_ThreadId owner; /* Which thread's cache is this? */ + Tcl_Obj *firstObjPtr; /* List of free objects for thread. */ + int numObjects; /* Number of objects for thread. */ +} AllocCache; + +/* + *---------------------------------------------------------------- + * 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). */ + const 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. */ + union { + void (*optimizer)(void *envPtr); + Tcl_HashTable unused2; /* No longer used (was mathFuncTable). The + * unused space in interp was repurposed for + * pluggable bytecode optimizers. The core + * contains one optimizer, which can be + * selectively overriden by extensions. */ + } extra; + + /* + * 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. */ + CallFrame *varFramePtr; /* Points to the call frame whose variables + * are currently in use (same as framePtr + * unless an "uplevel" command is + * executing). */ + ActiveVarTrace *activeVarTracePtr; + /* First in list of active traces for interp, + * or NULL if no active traces. */ + int returnCode; /* [return -code] parameter. */ + CallFrame *rootFramePtr; /* Global frame pointer for this + * interpreter. */ + Namespace *lookupNsPtr; /* Namespace to use ONLY on the next + * TCL_EVAL_INVOKE call to Tcl_EvalObjv. */ + + /* + * Information used by Tcl_AppendResult to keep track of partial results. + * See Tcl_AppendResult code for details. + */ + +#ifndef TCL_NO_DEPRECATED + char *appendResult; /* Storage space for results generated by + * Tcl_AppendResult. Ckalloc-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. */ +#else + char *appendResultDontUse; + int appendAvlDontUse; + int appendUsedDontUse; +#endif + + /* + * 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. Ckalloc'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. */ + unsigned 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 and removed by calling + * Tcl_AddInterpResolvers and + * Tcl_RemoveInterpResolver respectively. */ + 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. */ +#ifndef TCL_NO_DEPRECATED + char resultSpace[TCL_RESULT_SIZE+1]; + /* Static space holding small results. */ +#else + char resultSpaceDontUse[TCL_RESULT_SIZE+1]; +#endif + 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; + + /* + * TIP #219: Global info for the I/O system. + */ + + Tcl_Obj *chanMsg; /* Error message set by channel drivers, for + * the propagation of arbitrary Tcl errors. + * This information, if present (chanMsg not + * NULL), takes precedence over a POSIX error + * code returned by a channel operation. */ + + /* + * Source code origin information (TIP #280). + */ + + CmdFrame *cmdFramePtr; /* Points to the command frame containing the + * location information for the current + * command. */ + const CmdFrame *invokeCmdFramePtr; + /* Points to the command frame which is the + * invoking context of the bytecode compiler. + * NULL when the byte code compiler is not + * active. */ + int invokeWord; /* Index of the word in the command which + * is getting compiled. */ + Tcl_HashTable *linePBodyPtr;/* This table remembers for each statically + * defined procedure the location information + * for its body. It is keyed by the address of + * the Proc structure for a procedure. The + * values are "struct CmdFrame*". */ + Tcl_HashTable *lineBCPtr; /* This table remembers for each ByteCode + * object the location information for its + * body. It is keyed by the address of the + * Proc structure for a procedure. The values + * are "struct ExtCmdLoc*". (See + * tclCompile.h) */ + Tcl_HashTable *lineLABCPtr; + Tcl_HashTable *lineLAPtr; /* This table remembers for each argument of a + * command on the execution stack the index of + * the argument in the command, and the + * location data of the command. It is keyed + * by the address of the Tcl_Obj containing + * the argument. The values are "struct + * CFWord*" (See tclBasic.c). This allows + * commands like uplevel, eval, etc. to find + * location information for their arguments, + * if they are a proper literal argument to an + * invoking command. Alt view: An index to the + * CmdFrame stack keyed by command argument + * holders. */ + ContLineLoc *scriptCLLocPtr;/* This table points to the location data for + * invisible continuation lines in the script, + * if any. This pointer is set by the function + * TclEvalObjEx() in file "tclBasic.c", and + * used by function ...() in the same file. + * It does for the eval/direct path of script + * execution what CompileEnv.clLoc does for + * the bytecode compiler. + */ + /* + * TIP #268. The currently active selection mode, i.e. the package require + * preferences. + */ + + int packagePrefer; /* Current package selection mode. */ + + /* + * Hashtables for variable traces and searches. + */ + + Tcl_HashTable varTraces; /* Hashtable holding the start of a variable's + * active trace list; varPtr is the key. */ + Tcl_HashTable varSearches; /* Hashtable holding the start of a variable's + * active searches list; varPtr is the key. */ + /* + * The thread-specific data ekeko: cache pointers or values that + * (a) do not change during the thread's lifetime + * (b) require access to TSD to determine at runtime + * (c) are accessed very often (e.g., at each command call) + * + * Note that these are the same for all interps in the same thread. They + * just have to be initialised for the thread's master interp, slaves + * inherit the value. + * + * They are used by the macros defined below. + */ + + AllocCache *allocCache; + void *pendingObjDataPtr; /* Pointer to the Cache and PendingObjData + * structs for this interp's thread; see + * tclObj.c and tclThreadAlloc.c */ + int *asyncReadyPtr; /* Pointer to the asyncReady indicator for + * this interp's thread; see tclAsync.c */ + /* + * The pointer to the object system root ekeko. c.f. TIP #257. + */ + void *objectFoundation; /* Pointer to the Foundation structure of the + * object system, which contains things like + * references to key namespaces. See + * tclOOInt.h and tclOO.c for real definition + * and setup. */ + + struct NRE_callback *deferredCallbacks; + /* Callbacks that are set previous to a call + * to some Eval function but that actually + * belong to the command that is about to be + * called - i.e., they should be run *before* + * any tailcall is invoked. */ + + /* + * TIP #285, Script cancellation support. + */ + + Tcl_AsyncHandler asyncCancel; + /* Async handler token for Tcl_CancelEval. */ + Tcl_Obj *asyncCancelMsg; /* Error message set by async cancel handler + * for the propagation of arbitrary Tcl + * errors. This information, if present + * (asyncCancelMsg not NULL), takes precedence + * over the default error messages returned by + * a script cancellation operation. */ + + /* + * TIP #348 IMPLEMENTATION - Substituted error stack + */ + Tcl_Obj *errorStack; /* [info errorstack] value (as a Tcl_Obj). */ + Tcl_Obj *upLiteral; /* "UP" literal for [info errorstack] */ + Tcl_Obj *callLiteral; /* "CALL" literal for [info errorstack] */ + Tcl_Obj *innerLiteral; /* "INNER" literal for [info errorstack] */ + Tcl_Obj *innerContext; /* cached list for fast reallocation */ + int resetErrorStack; /* controls cleaning up of ::errorStack */ + +#ifdef TCL_COMPILE_STATS + /* + * Statistical information about the bytecode compiler and interpreter's + * operation. This should be the last field of Interp. + */ + + ByteCodeStats stats; /* Holds compilation and execution statistics + * for this interpreter. */ +#endif /* TCL_COMPILE_STATS */ +} Interp; + +/* + * Macros that use the TSD-ekeko. + */ + +#define TclAsyncReady(iPtr) \ + *((iPtr)->asyncReadyPtr) + +/* + * Macros for script cancellation support (TIP #285). + */ + +#define TclCanceled(iPtr) \ + (((iPtr)->flags & CANCELED) || ((iPtr)->flags & TCL_CANCEL_UNWIND)) + +#define TclSetCancelFlags(iPtr, cancelFlags) \ + (iPtr)->flags |= CANCELED; \ + if ((cancelFlags) & TCL_CANCEL_UNWIND) { \ + (iPtr)->flags |= TCL_CANCEL_UNWIND; \ + } + +#define TclUnsetCancelFlags(iPtr) \ + (iPtr)->flags &= (~(CANCELED | TCL_CANCEL_UNWIND)) + +/* + * Macros for splicing into and out of doubly linked lists. They assume + * existence of struct items 'prevPtr' and 'nextPtr'. + * + * a = element to add or remove. + * b = list head. + * + * TclSpliceIn adds to the head of the list. + */ + +#define TclSpliceIn(a,b) \ + (a)->nextPtr = (b); \ + if ((b) != NULL) { \ + (b)->prevPtr = (a); \ + } \ + (a)->prevPtr = NULL, (b) = (a); + +#define TclSpliceOut(a,b) \ + if ((a)->prevPtr != NULL) { \ + (a)->prevPtr->nextPtr = (a)->nextPtr; \ + } else { \ + (b) = (a)->nextPtr; \ + } \ + if ((a)->nextPtr != NULL) { \ + (a)->nextPtr->prevPtr = (a)->prevPtr; \ + } + +/* + * 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 0x04 +#define TCL_EVAL_FILE 0x02 +#define TCL_EVAL_SOURCE_IN_FRAME 0x10 +#define TCL_EVAL_NORESOLVE 0x20 + +/* + * 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 (i.e. it has only the safe commands installed, + * less priviledge than a regular interp). + * INTERP_DEBUG_FRAME: Used for switching on various extra interpreter + * debug/info mechanisms (e.g. info frame eval/uplevel + * tracing) which are performance intensive. + * INTERP_TRACE_IN_PROGRESS: Non-zero means that an interp trace is currently + * active; so no further trace callbacks should be + * invoked. + * INTERP_ALTERNATE_WRONG_ARGS: Used for listing second and subsequent forms + * of the wrong-num-args string in Tcl_WrongNumArgs. + * Makes it append instead of replacing and uses + * different intermediate text. + * CANCELED: Non-zero means that the script in progress should be + * canceled as soon as possible. This can be checked by + * extensions (and the core itself) by calling + * Tcl_Canceled and checking if TCL_ERROR is returned. + * This is a one-shot flag that is reset immediately upon + * being detected; however, if the TCL_CANCEL_UNWIND flag + * is set Tcl_Canceled will continue to report that the + * script in progress has been canceled thereby allowing + * the evaluation stack for the interp to be fully + * unwound. + * + * 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 INTERP_DEBUG_FRAME 0x10 +#define DONT_COMPILE_CMDS_INLINE 0x20 +#define RAND_SEED_INITIALIZED 0x40 +#define SAFE_INTERP 0x80 +#define INTERP_TRACE_IN_PROGRESS 0x200 +#define INTERP_ALTERNATE_WRONG_ARGS 0x400 +#define ERR_LEGACY_COPY 0x800 +#define CANCELED 0x1000 + +/* + * Maximum number of levels of nesting permitted in Tcl commands (used to + * catch infinite recursion). + */ + +#define MAX_NESTING_DEPTH 1000 + +/* + * The macro below is used to modify a "char" value (e.g. by casting it to an + * unsigned character) so that it can be used safely with macros such as + * isspace. + */ + +#define UCHAR(c) ((unsigned char) (c)) + +/* + * This macro is used to properly align the memory allocated by Tcl, giving + * the same alignment as the native malloc. + */ + +#if defined(__APPLE__) +#define TCL_ALLOCALIGN 16 +#else +#define TCL_ALLOCALIGN (2*sizeof(void *)) +#endif + +/* + * 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. */ + int canonicalFlag; /* Set if the string representation was + * derived from the list representation. May + * be ignored if there is no string rep at + * all.*/ + Tcl_Obj *elements; /* First list element; the struct is grown to + * accomodate all elements. */ +} List; + +#define LIST_MAX \ + (1 + (int)(((size_t)UINT_MAX - sizeof(List))/sizeof(Tcl_Obj *))) +#define LIST_SIZE(numElems) \ + (unsigned)(sizeof(List) + (((numElems) - 1) * sizeof(Tcl_Obj *))) + +/* + * Macro used to get the elements of a list object. + */ + +#define ListRepPtr(listPtr) \ + ((List *) (listPtr)->internalRep.twoPtrValue.ptr1) + +#define ListSetIntRep(objPtr, listRepPtr) \ + (objPtr)->internalRep.twoPtrValue.ptr1 = (void *)(listRepPtr), \ + (objPtr)->internalRep.twoPtrValue.ptr2 = NULL, \ + (listRepPtr)->refCount++, \ + (objPtr)->typePtr = &tclListType + +#define ListObjGetElements(listPtr, objc, objv) \ + ((objv) = &(ListRepPtr(listPtr)->elements), \ + (objc) = ListRepPtr(listPtr)->elemCount) + +#define ListObjLength(listPtr, len) \ + ((len) = ListRepPtr(listPtr)->elemCount) + +#define ListObjIsCanonical(listPtr) \ + (((listPtr)->bytes == NULL) || ListRepPtr(listPtr)->canonicalFlag) + +#define TclListObjGetElements(interp, listPtr, objcPtr, objvPtr) \ + (((listPtr)->typePtr == &tclListType) \ + ? ((ListObjGetElements((listPtr), *(objcPtr), *(objvPtr))), TCL_OK)\ + : Tcl_ListObjGetElements((interp), (listPtr), (objcPtr), (objvPtr))) + +#define TclListObjLength(interp, listPtr, lenPtr) \ + (((listPtr)->typePtr == &tclListType) \ + ? ((ListObjLength((listPtr), *(lenPtr))), TCL_OK)\ + : Tcl_ListObjLength((interp), (listPtr), (lenPtr))) + +#define TclListObjIsCanonical(listPtr) \ + (((listPtr)->typePtr == &tclListType) ? ListObjIsCanonical((listPtr)) : 0) + +/* + * Modes for collecting (or not) in the implementations of TclNRForeachCmd, + * TclNRLmapCmd and their compilations. + */ + +#define TCL_EACH_KEEP_NONE 0 /* Discard iteration result like [foreach] */ +#define TCL_EACH_COLLECT 1 /* Collect iteration result like [lmap] */ + +/* + * Macros providing a faster path to integers: Tcl_GetLongFromObj everywhere, + * Tcl_GetIntFromObj and TclGetIntForIndex on platforms where longs are ints. + * + * WARNING: these macros eval their args more than once. + */ + +#define TclGetLongFromObj(interp, objPtr, longPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? ((*(longPtr) = (objPtr)->internalRep.longValue), TCL_OK) \ + : Tcl_GetLongFromObj((interp), (objPtr), (longPtr))) + +#if (LONG_MAX == INT_MAX) +#define TclGetIntFromObj(interp, objPtr, intPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? ((*(intPtr) = (objPtr)->internalRep.longValue), TCL_OK) \ + : Tcl_GetIntFromObj((interp), (objPtr), (intPtr))) +#define TclGetIntForIndexM(interp, objPtr, endValue, idxPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? ((*(idxPtr) = (objPtr)->internalRep.longValue), TCL_OK) \ + : TclGetIntForIndex((interp), (objPtr), (endValue), (idxPtr))) +#else +#define TclGetIntFromObj(interp, objPtr, intPtr) \ + Tcl_GetIntFromObj((interp), (objPtr), (intPtr)) +#define TclGetIntForIndexM(interp, objPtr, ignore, idxPtr) \ + TclGetIntForIndex(interp, objPtr, ignore, idxPtr) +#endif + +/* + * Macro used to save a function call for common uses of + * Tcl_GetWideIntFromObj(). The ANSI C "prototype" is: + * + * MODULE_SCOPE int TclGetWideIntFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, + * Tcl_WideInt *wideIntPtr); + */ + +#ifdef TCL_WIDE_INT_IS_LONG +#define TclGetWideIntFromObj(interp, objPtr, wideIntPtr) \ + (((objPtr)->typePtr == &tclIntType) \ + ? (*(wideIntPtr) = (Tcl_WideInt) \ + ((objPtr)->internalRep.longValue), TCL_OK) : \ + Tcl_GetWideIntFromObj((interp), (objPtr), (wideIntPtr))) +#else /* !TCL_WIDE_INT_IS_LONG */ +#define TclGetWideIntFromObj(interp, objPtr, wideIntPtr) \ + (((objPtr)->typePtr == &tclWideIntType) \ + ? (*(wideIntPtr) = (objPtr)->internalRep.wideValue, TCL_OK) : \ + ((objPtr)->typePtr == &tclIntType) \ + ? (*(wideIntPtr) = (Tcl_WideInt) \ + ((objPtr)->internalRep.longValue), TCL_OK) : \ + Tcl_GetWideIntFromObj((interp), (objPtr), (wideIntPtr))) +#endif /* TCL_WIDE_INT_IS_LONG */ + +/* + * Flag values for TclTraceDictPath(). + * + * DICT_PATH_READ indicates that all entries on the path must exist but no + * updates will be needed. + * + * DICT_PATH_UPDATE indicates that we are going to be doing an update at the + * tip of the path, so duplication of shared objects should be done along the + * way. + * + * DICT_PATH_EXISTS indicates that we are performing an existance test and a + * lookup failure should therefore not be an error. If (and only if) this flag + * is set, TclTraceDictPath() will return the special value + * DICT_PATH_NON_EXISTENT if the path is not traceable. + * + * DICT_PATH_CREATE (which also requires the DICT_PATH_UPDATE bit to be set) + * indicates that we are to create non-existant dictionaries on the path. + */ + +#define DICT_PATH_READ 0 +#define DICT_PATH_UPDATE 1 +#define DICT_PATH_EXISTS 2 +#define DICT_PATH_CREATE 5 + +#define DICT_PATH_NON_EXISTENT ((Tcl_Obj *) (void *) 1) + +/* + *---------------------------------------------------------------- + * 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)(ClientData clientData); +typedef int (Tcl_FSLoadFileProc2) (Tcl_Interp *interp, Tcl_Obj *pathPtr, + Tcl_LoadHandle *handlePtr, Tcl_FSUnloadFileProc **unloadProcPtr, int flags); + +/* + * 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)(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj **attrObjPtrPtr); +typedef int (TclSetFileAttrProc)(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; + +/* + * Private flag value which controls Tcl_GetIndexFromObj*() routines + * to instruct them not to cache lookups because the table will not + * live long enough to make it worthwhile. Must not clash with public + * flag value TCL_EXACT. + */ + +#define INDEX_TEMP_TABLE 2 + +/* + * 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_)(const char *path, struct stat *buf); +typedef int (TclAccessProc_)(const char *path, int mode); +typedef Tcl_Channel (TclOpenFileChannelProc_)(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)(char **valuePtr, size_t *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 { + size_t epoch; /* Epoch counter to detect changes in the + * master value. */ + size_t 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; + +/* + *---------------------------------------------------------------------- + * Flags for TclParseNumber + *---------------------------------------------------------------------- + */ + +#define TCL_PARSE_DECIMAL_ONLY 1 + /* Leading zero doesn't denote octal or + * hex. */ +#define TCL_PARSE_OCTAL_ONLY 2 + /* Parse octal even without prefix. */ +#define TCL_PARSE_HEXADECIMAL_ONLY 4 + /* Parse hexadecimal even without prefix. */ +#define TCL_PARSE_INTEGER_ONLY 8 + /* Disable floating point parsing. */ +#define TCL_PARSE_SCAN_PREFIXES 16 + /* Use [scan] rules dealing with 0? + * prefixes. */ +#define TCL_PARSE_NO_WHITESPACE 32 + /* Reject leading/trailing whitespace. */ +#define TCL_PARSE_BINARY_ONLY 64 + /* Parse binary even without prefix. */ + +/* + *---------------------------------------------------------------------- + * Type values TclGetNumberFromObj + *---------------------------------------------------------------------- + */ + +#define TCL_NUMBER_LONG 1 +#define TCL_NUMBER_WIDE 2 +#define TCL_NUMBER_BIG 3 +#define TCL_NUMBER_DOUBLE 4 +#define TCL_NUMBER_NAN 5 + +/* + *---------------------------------------------------------------- + * 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 tclNotifierHooks; + +MODULE_SCOPE Tcl_Encoding tclIdentityEncoding; + +/* + * 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 const Tcl_ObjType tclBignumType; +MODULE_SCOPE const Tcl_ObjType tclBooleanType; +MODULE_SCOPE const Tcl_ObjType tclByteArrayType; +MODULE_SCOPE const Tcl_ObjType tclByteCodeType; +MODULE_SCOPE const Tcl_ObjType tclDoubleType; +MODULE_SCOPE const Tcl_ObjType tclEndOffsetType; +MODULE_SCOPE const Tcl_ObjType tclIntType; +MODULE_SCOPE const Tcl_ObjType tclListType; +MODULE_SCOPE const Tcl_ObjType tclDictType; +MODULE_SCOPE const Tcl_ObjType tclProcBodyType; +MODULE_SCOPE const Tcl_ObjType tclStringType; +MODULE_SCOPE const Tcl_ObjType tclEnsembleCmdType; +#ifndef TCL_WIDE_INT_IS_LONG +MODULE_SCOPE const Tcl_ObjType tclWideIntType; +#endif +MODULE_SCOPE const Tcl_ObjType tclRegexpType; +MODULE_SCOPE Tcl_ObjType tclCmdNameType; + +/* + * Variables denoting the hash key types defined in the core. + */ + +MODULE_SCOPE const Tcl_HashKeyType tclArrayHashKeyType; +MODULE_SCOPE const Tcl_HashKeyType tclOneWordHashKeyType; +MODULE_SCOPE const Tcl_HashKeyType tclStringHashKeyType; +MODULE_SCOPE const 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 tclEmptyString; + +/* + *---------------------------------------------------------------- + * Procedures shared among Tcl modules but not used by the outside world, + * introduced by/for NRE. + *---------------------------------------------------------------- + */ + +MODULE_SCOPE Tcl_ObjCmdProc TclNRApplyObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNREvalObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRCatchObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRExprObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRForObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRForeachCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRIfObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRLmapCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRSourceObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRSubstObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRSwitchObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRTryObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRUplevelObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRWhileObjCmd; + +MODULE_SCOPE Tcl_NRPostProc TclNRForIterCallback; +MODULE_SCOPE Tcl_NRPostProc TclNRCoroutineActivateCallback; +MODULE_SCOPE Tcl_ObjCmdProc TclNRTailcallObjCmd; +MODULE_SCOPE Tcl_NRPostProc TclNRTailcallEval; +MODULE_SCOPE Tcl_ObjCmdProc TclNRCoroutineObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldmObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRYieldToObjCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclNRInvoke; +MODULE_SCOPE Tcl_NRPostProc TclNRReleaseValues; + +MODULE_SCOPE void TclSetTailcall(Tcl_Interp *interp, Tcl_Obj *tailcallPtr); +MODULE_SCOPE void TclPushTailcallPoint(Tcl_Interp *interp); + +/* These two can be considered for the public api */ +MODULE_SCOPE void TclMarkTailcall(Tcl_Interp *interp); +MODULE_SCOPE void TclSkipTailcall(Tcl_Interp *interp); + +/* + * This structure holds the data for the various iteration callbacks used to + * NRE the 'for' and 'while' commands. We need a separate structure because we + * have more than the 4 client data entries we can provide directly thorugh + * the callback API. It is the 'word' information which puts us over the + * limit. It is needed because the loop body is argument 4 of 'for' and + * argument 2 of 'while'. Not providing the correct index confuses the #280 + * code. We TclSmallAlloc/Free this. + */ + +typedef struct ForIterData { + Tcl_Obj *cond; /* Loop condition expression. */ + Tcl_Obj *body; /* Loop body. */ + Tcl_Obj *next; /* Loop step script, NULL for 'while'. */ + const char *msg; /* Error message part. */ + int word; /* Index of the body script in the command */ +} ForIterData; + +/* TIP #357 - Structure doing the bookkeeping of handles for Tcl_LoadFile + * and Tcl_FindSymbol. This structure corresponds to an opaque + * typedef in tcl.h */ + +typedef void* TclFindSymbolProc(Tcl_Interp* interp, Tcl_LoadHandle loadHandle, + const char* symbol); +struct Tcl_LoadHandle_ { + ClientData clientData; /* Client data is the load handle in the + * native filesystem if a module was loaded + * there, or an opaque pointer to a structure + * for further bookkeeping on load-from-VFS + * and load-from-memory */ + TclFindSymbolProc* findSymbolProcPtr; + /* Procedure that resolves symbols in a + * loaded module */ + Tcl_FSUnloadFileProc* unloadFileProcPtr; + /* Procedure that unloads a loaded module */ +}; + +/* Flags for conversion of doubles to digit strings */ + +#define TCL_DD_SHORTEST 0x4 + /* Use the shortest possible string */ +#define TCL_DD_STEELE 0x5 + /* Use the original Steele&White algorithm */ +#define TCL_DD_E_FORMAT 0x2 + /* Use a fixed-length string of digits, + * suitable for E format*/ +#define TCL_DD_F_FORMAT 0x3 + /* Use a fixed number of digits after the + * decimal point, suitable for F format */ + +#define TCL_DD_SHORTEN_FLAG 0x4 + /* Allow return of a shorter digit string + * if it converts losslessly */ +#define TCL_DD_NO_QUICK 0x8 + /* Debug flag: forbid quick FP conversion */ + +#define TCL_DD_CONVERSION_TYPE_MASK 0x3 + /* Mask to isolate the conversion type */ +#define TCL_DD_STEELE0 0x1 + /* 'Steele&White' after masking */ +#define TCL_DD_SHORTEST0 0x0 + /* 'Shortest possible' after masking */ + +/* + *---------------------------------------------------------------- + * Procedures shared among Tcl modules but not used by the outside world: + *---------------------------------------------------------------- + */ + +MODULE_SCOPE void TclAppendBytesToByteArray(Tcl_Obj *objPtr, + const unsigned char *bytes, int len); +MODULE_SCOPE int TclNREvalCmd(Tcl_Interp *interp, Tcl_Obj *objPtr, + int flags); +MODULE_SCOPE void TclAdvanceContinuations(int *line, int **next, + int loc); +MODULE_SCOPE void TclAdvanceLines(int *line, const char *start, + const char *end); +MODULE_SCOPE void TclArgumentEnter(Tcl_Interp *interp, + Tcl_Obj *objv[], int objc, CmdFrame *cf); +MODULE_SCOPE void TclArgumentRelease(Tcl_Interp *interp, + Tcl_Obj *objv[], int objc); +MODULE_SCOPE void TclArgumentBCEnter(Tcl_Interp *interp, + Tcl_Obj *objv[], int objc, + void *codePtr, CmdFrame *cfPtr, int cmd, int pc); +MODULE_SCOPE void TclArgumentBCRelease(Tcl_Interp *interp, + CmdFrame *cfPtr); +MODULE_SCOPE void TclArgumentGet(Tcl_Interp *interp, Tcl_Obj *obj, + CmdFrame **cfPtrPtr, int *wordPtr); +MODULE_SCOPE int TclArraySet(Tcl_Interp *interp, + Tcl_Obj *arrayNameObj, Tcl_Obj *arrayElemObj); +MODULE_SCOPE double TclBignumToDouble(const mp_int *bignum); +MODULE_SCOPE int TclByteArrayMatch(const unsigned char *string, + int strLen, const unsigned char *pattern, + int ptnLen, int flags); +MODULE_SCOPE double TclCeil(const mp_int *a); +MODULE_SCOPE void TclChannelPreserve(Tcl_Channel chan); +MODULE_SCOPE void TclChannelRelease(Tcl_Channel chan); +MODULE_SCOPE int TclCheckBadOctal(Tcl_Interp *interp, + const char *value); +MODULE_SCOPE int TclChanCaughtErrorBypass(Tcl_Interp *interp, + Tcl_Channel chan); +MODULE_SCOPE Tcl_ObjCmdProc TclChannelNamesCmd; +MODULE_SCOPE Tcl_NRPostProc TclClearRootEnsemble; +MODULE_SCOPE ContLineLoc *TclContinuationsEnter(Tcl_Obj *objPtr, int num, + int *loc); +MODULE_SCOPE void TclContinuationsEnterDerived(Tcl_Obj *objPtr, + int start, int *clNext); +MODULE_SCOPE ContLineLoc *TclContinuationsGet(Tcl_Obj *objPtr); +MODULE_SCOPE void TclContinuationsCopy(Tcl_Obj *objPtr, + Tcl_Obj *originObjPtr); +MODULE_SCOPE int TclConvertElement(const char *src, int length, + char *dst, int flags); +MODULE_SCOPE void TclDeleteNamespaceVars(Namespace *nsPtr); +MODULE_SCOPE int TclFindDictElement(Tcl_Interp *interp, + const char *dict, int dictLength, + const char **elementPtr, const char **nextPtr, + int *sizePtr, int *literalPtr); +/* TIP #280 - Modified token based evulation, with line information. */ +MODULE_SCOPE int TclEvalEx(Tcl_Interp *interp, const char *script, + int numBytes, int flags, int line, + int *clNextOuter, const char *outerScript); +MODULE_SCOPE Tcl_ObjCmdProc TclFileAttrsCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileCopyCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileDeleteCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileLinkCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileMakeDirsCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileReadLinkCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileRenameCmd; +MODULE_SCOPE Tcl_ObjCmdProc TclFileTemporaryCmd; +MODULE_SCOPE void TclCreateLateExitHandler(Tcl_ExitProc *proc, + ClientData clientData); +MODULE_SCOPE void TclDeleteLateExitHandler(Tcl_ExitProc *proc, + ClientData clientData); +MODULE_SCOPE char * TclDStringAppendObj(Tcl_DString *dsPtr, + Tcl_Obj *objPtr); +MODULE_SCOPE char * TclDStringAppendDString(Tcl_DString *dsPtr, + Tcl_DString *toAppendPtr); +MODULE_SCOPE Tcl_Obj * TclDStringToObj(Tcl_DString *dsPtr); +MODULE_SCOPE Tcl_Obj *const * TclFetchEnsembleRoot(Tcl_Interp *interp, + Tcl_Obj *const *objv, int objc, int *objcPtr); +MODULE_SCOPE void TclFinalizeAllocSubsystem(void); +MODULE_SCOPE void TclFinalizeAsync(void); +MODULE_SCOPE void TclFinalizeDoubleConversion(void); +MODULE_SCOPE void TclFinalizeEncodingSubsystem(void); +MODULE_SCOPE void TclFinalizeEnvironment(void); +MODULE_SCOPE void TclFinalizeEvaluation(void); +MODULE_SCOPE void TclFinalizeExecution(void); +MODULE_SCOPE void TclFinalizeIOSubsystem(void); +MODULE_SCOPE void TclFinalizeFilesystem(void); +MODULE_SCOPE void TclResetFilesystem(void); +MODULE_SCOPE void TclFinalizeLoad(void); +MODULE_SCOPE void TclFinalizeLock(void); +MODULE_SCOPE void TclFinalizeMemorySubsystem(void); +MODULE_SCOPE void TclFinalizeNotifier(void); +MODULE_SCOPE void TclFinalizeObjects(void); +MODULE_SCOPE void TclFinalizePreserve(void); +MODULE_SCOPE void TclFinalizeSynchronization(void); +MODULE_SCOPE void TclInitThreadAlloc(void); +MODULE_SCOPE void TclFinalizeThreadAlloc(void); +MODULE_SCOPE void TclFinalizeThreadAllocThread(void); +MODULE_SCOPE void TclFinalizeThreadData(int quick); +MODULE_SCOPE void TclFinalizeThreadObjects(void); +MODULE_SCOPE double TclFloor(const mp_int *a); +MODULE_SCOPE void TclFormatNaN(double value, char *buffer); +MODULE_SCOPE int TclFSFileAttrIndex(Tcl_Obj *pathPtr, + const char *attributeName, int *indexPtr); +MODULE_SCOPE int TclNREvalFile(Tcl_Interp *interp, Tcl_Obj *pathPtr, + const char *encodingName); +MODULE_SCOPE void TclFSUnloadTempFile(Tcl_LoadHandle loadHandle); +MODULE_SCOPE int * TclGetAsyncReadyPtr(void); +MODULE_SCOPE Tcl_Obj * TclGetBgErrorHandler(Tcl_Interp *interp); +MODULE_SCOPE int TclGetChannelFromObj(Tcl_Interp *interp, + Tcl_Obj *objPtr, Tcl_Channel *chanPtr, + int *modePtr, int flags); +MODULE_SCOPE CmdFrame * TclGetCmdFrameForProcedure(Proc *procPtr); +MODULE_SCOPE int TclGetCompletionCodeFromObj(Tcl_Interp *interp, + Tcl_Obj *value, int *code); +MODULE_SCOPE int TclGetNumberFromObj(Tcl_Interp *interp, + Tcl_Obj *objPtr, ClientData *clientDataPtr, + int *typePtr); +MODULE_SCOPE int TclGetOpenModeEx(Tcl_Interp *interp, + const char *modeString, int *seekFlagPtr, + int *binaryPtr); +MODULE_SCOPE Tcl_Obj * TclGetProcessGlobalValue(ProcessGlobalValue *pgvPtr); +MODULE_SCOPE Tcl_Obj * TclGetSourceFromFrame(CmdFrame *cfPtr, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE char * TclGetStringStorage(Tcl_Obj *objPtr, + unsigned int *sizePtr); +MODULE_SCOPE int TclGetLoadedPackagesEx(Tcl_Interp *interp, + const char *targetName, + const char *packageName); +MODULE_SCOPE int TclGlob(Tcl_Interp *interp, char *pattern, + Tcl_Obj *unquotedPrefix, int globFlags, + Tcl_GlobTypeData *types); +MODULE_SCOPE int TclIncrObj(Tcl_Interp *interp, Tcl_Obj *valuePtr, + Tcl_Obj *incrPtr); +MODULE_SCOPE Tcl_Obj * TclIncrObjVar2(Tcl_Interp *interp, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, Tcl_Obj *incrPtr, int flags); +MODULE_SCOPE int TclInfoExistsCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int TclInfoCoroutineCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Obj * TclInfoFrame(Tcl_Interp *interp, CmdFrame *framePtr); +MODULE_SCOPE int TclInfoGlobalsCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int TclInfoLocalsCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int TclInfoVarsCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE void TclInitAlloc(void); +MODULE_SCOPE void TclInitBignumFromLong(mp_int *, long); +MODULE_SCOPE void TclInitBignumFromWideInt(mp_int *, Tcl_WideInt); +MODULE_SCOPE void TclInitBignumFromWideUInt(mp_int *, Tcl_WideUInt); +MODULE_SCOPE void TclInitDbCkalloc(void); +MODULE_SCOPE void TclInitDoubleConversion(void); +MODULE_SCOPE void TclInitEmbeddedConfigurationInformation( + Tcl_Interp *interp); +MODULE_SCOPE void TclInitEncodingSubsystem(void); +MODULE_SCOPE void TclInitIOSubsystem(void); +MODULE_SCOPE void TclInitLimitSupport(Tcl_Interp *interp); +MODULE_SCOPE void TclInitNamespaceSubsystem(void); +MODULE_SCOPE void TclInitNotifier(void); +MODULE_SCOPE void TclInitObjSubsystem(void); +MODULE_SCOPE void TclInitSubsystems(void); +MODULE_SCOPE int TclInterpReady(Tcl_Interp *interp); +MODULE_SCOPE int TclIsSpaceProc(char byte); +MODULE_SCOPE int TclIsBareword(char byte); +MODULE_SCOPE Tcl_Obj * TclJoinPath(int elements, Tcl_Obj * const objv[]); +MODULE_SCOPE int TclJoinThread(Tcl_ThreadId id, int *result); +MODULE_SCOPE void TclLimitRemoveAllHandlers(Tcl_Interp *interp); +MODULE_SCOPE Tcl_Obj * TclLindexList(Tcl_Interp *interp, + Tcl_Obj *listPtr, Tcl_Obj *argPtr); +MODULE_SCOPE Tcl_Obj * TclLindexFlat(Tcl_Interp *interp, Tcl_Obj *listPtr, + int indexCount, Tcl_Obj *const indexArray[]); +/* TIP #280 */ +MODULE_SCOPE void TclListLines(Tcl_Obj *listObj, int line, int n, + int *lines, Tcl_Obj *const *elems); +MODULE_SCOPE Tcl_Obj * TclListObjCopy(Tcl_Interp *interp, Tcl_Obj *listPtr); +MODULE_SCOPE Tcl_Obj * TclLsetList(Tcl_Interp *interp, Tcl_Obj *listPtr, + Tcl_Obj *indexPtr, Tcl_Obj *valuePtr); +MODULE_SCOPE Tcl_Obj * TclLsetFlat(Tcl_Interp *interp, Tcl_Obj *listPtr, + int indexCount, Tcl_Obj *const indexArray[], + Tcl_Obj *valuePtr); +MODULE_SCOPE Tcl_Command TclMakeEnsemble(Tcl_Interp *interp, const char *name, + const EnsembleImplMap map[]); +MODULE_SCOPE int TclMaxListLength(const char *bytes, int numBytes, + const char **endPtr); +MODULE_SCOPE int TclMergeReturnOptions(Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[], Tcl_Obj **optionsPtrPtr, + int *codePtr, int *levelPtr); +MODULE_SCOPE Tcl_Obj * TclNoErrorStack(Tcl_Interp *interp, Tcl_Obj *options); +MODULE_SCOPE int TclNokia770Doubles(void); +MODULE_SCOPE void TclNsDecrRefCount(Namespace *nsPtr); +MODULE_SCOPE void TclObjVarErrMsg(Tcl_Interp *interp, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, const char *operation, + const char *reason, int index); +MODULE_SCOPE int TclObjInvokeNamespace(Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[], + Tcl_Namespace *nsPtr, int flags); +MODULE_SCOPE int TclObjUnsetVar2(Tcl_Interp *interp, + Tcl_Obj *part1Ptr, Tcl_Obj *part2Ptr, int flags); +MODULE_SCOPE int TclParseBackslash(const char *src, + int numBytes, int *readPtr, char *dst); +MODULE_SCOPE int TclParseHex(const char *src, int numBytes, + int *resultPtr); +MODULE_SCOPE int TclParseNumber(Tcl_Interp *interp, Tcl_Obj *objPtr, + const char *expected, const char *bytes, + int numBytes, const char **endPtrPtr, int flags); +MODULE_SCOPE void TclParseInit(Tcl_Interp *interp, const char *string, + int numBytes, Tcl_Parse *parsePtr); +MODULE_SCOPE int TclParseAllWhiteSpace(const char *src, int numBytes); +MODULE_SCOPE int TclProcessReturn(Tcl_Interp *interp, + int code, int level, Tcl_Obj *returnOpts); +MODULE_SCOPE int TclpObjLstat(Tcl_Obj *pathPtr, Tcl_StatBuf *buf); +MODULE_SCOPE Tcl_Obj * TclpTempFileName(void); +MODULE_SCOPE Tcl_Obj * TclpTempFileNameForLibrary(Tcl_Interp *interp, Tcl_Obj* pathPtr); +MODULE_SCOPE Tcl_Obj * TclNewFSPathObj(Tcl_Obj *dirPtr, const char *addStrRep, + int len); +MODULE_SCOPE int TclpDeleteFile(const void *path); +MODULE_SCOPE void TclpFinalizeCondition(Tcl_Condition *condPtr); +MODULE_SCOPE void TclpFinalizeMutex(Tcl_Mutex *mutexPtr); +MODULE_SCOPE void TclpFinalizePipes(void); +MODULE_SCOPE void TclpFinalizeSockets(void); +MODULE_SCOPE int TclCreateSocketAddress(Tcl_Interp *interp, + struct addrinfo **addrlist, + const char *host, int port, int willBind, + const char **errorMsgPtr); +MODULE_SCOPE int TclpThreadCreate(Tcl_ThreadId *idPtr, + Tcl_ThreadCreateProc *proc, ClientData clientData, + int stackSize, int flags); +MODULE_SCOPE int TclpFindVariable(const char *name, int *lengthPtr); +MODULE_SCOPE void TclpInitLibraryPath(char **valuePtr, + size_t *lengthPtr, Tcl_Encoding *encodingPtr); +MODULE_SCOPE void TclpInitLock(void); +MODULE_SCOPE void TclpInitPlatform(void); +MODULE_SCOPE void TclpInitUnlock(void); +MODULE_SCOPE Tcl_Obj * TclpObjListVolumes(void); +MODULE_SCOPE void TclpMasterLock(void); +MODULE_SCOPE void TclpMasterUnlock(void); +MODULE_SCOPE int TclpMatchFiles(Tcl_Interp *interp, char *separators, + Tcl_DString *dirPtr, char *pattern, char *tail); +MODULE_SCOPE int TclpObjNormalizePath(Tcl_Interp *interp, + Tcl_Obj *pathPtr, int nextCheckpoint); +MODULE_SCOPE void TclpNativeJoinPath(Tcl_Obj *prefix, const char *joining); +MODULE_SCOPE Tcl_Obj * TclpNativeSplitPath(Tcl_Obj *pathPtr, int *lenPtr); +MODULE_SCOPE Tcl_PathType TclpGetNativePathType(Tcl_Obj *pathPtr, + int *driveNameLengthPtr, Tcl_Obj **driveNameRef); +MODULE_SCOPE int TclCrossFilesystemCopy(Tcl_Interp *interp, + Tcl_Obj *source, Tcl_Obj *target); +MODULE_SCOPE int TclpMatchInDirectory(Tcl_Interp *interp, + Tcl_Obj *resultPtr, Tcl_Obj *pathPtr, + const char *pattern, Tcl_GlobTypeData *types); +MODULE_SCOPE ClientData TclpGetNativeCwd(ClientData clientData); +MODULE_SCOPE Tcl_FSDupInternalRepProc TclNativeDupInternalRep; +MODULE_SCOPE Tcl_Obj * TclpObjLink(Tcl_Obj *pathPtr, Tcl_Obj *toPtr, + int linkType); +MODULE_SCOPE int TclpObjChdir(Tcl_Obj *pathPtr); +MODULE_SCOPE Tcl_Channel TclpOpenTemporaryFile(Tcl_Obj *dirObj, + Tcl_Obj *basenameObj, Tcl_Obj *extensionObj, + Tcl_Obj *resultingNameObj); +MODULE_SCOPE void TclPkgFileSeen(Tcl_Interp *interp, const char *fileName); +MODULE_SCOPE void *TclInitPkgFiles(Tcl_Interp *interp); +MODULE_SCOPE Tcl_Obj * TclPathPart(Tcl_Interp *interp, Tcl_Obj *pathPtr, + Tcl_PathPart portion); +MODULE_SCOPE char * TclpReadlink(const char *fileName, + Tcl_DString *linkPtr); +MODULE_SCOPE void TclpSetInterfaces(void); +MODULE_SCOPE void TclpSetVariables(Tcl_Interp *interp); +MODULE_SCOPE void * TclThreadStorageKeyGet(Tcl_ThreadDataKey *keyPtr); +MODULE_SCOPE void TclThreadStorageKeySet(Tcl_ThreadDataKey *keyPtr, + void *data); +MODULE_SCOPE TCL_NORETURN void TclpThreadExit(int status); +MODULE_SCOPE void TclRememberCondition(Tcl_Condition *mutex); +MODULE_SCOPE void TclRememberJoinableThread(Tcl_ThreadId id); +MODULE_SCOPE void TclRememberMutex(Tcl_Mutex *mutex); +MODULE_SCOPE void TclRemoveScriptLimitCallbacks(Tcl_Interp *interp); +MODULE_SCOPE int TclReToGlob(Tcl_Interp *interp, const char *reStr, + int reStrLen, Tcl_DString *dsPtr, int *flagsPtr, + int *quantifiersFoundPtr); +MODULE_SCOPE int TclScanElement(const char *string, int length, + int *flagPtr); +MODULE_SCOPE void TclSetBgErrorHandler(Tcl_Interp *interp, + Tcl_Obj *cmdPrefix); +MODULE_SCOPE void TclSetBignumIntRep(Tcl_Obj *objPtr, + mp_int *bignumValue); +MODULE_SCOPE int TclSetBooleanFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr); +MODULE_SCOPE void TclSetCmdNameObj(Tcl_Interp *interp, Tcl_Obj *objPtr, + Command *cmdPtr); +MODULE_SCOPE void TclSetDuplicateObj(Tcl_Obj *dupPtr, Tcl_Obj *objPtr); +MODULE_SCOPE void TclSetProcessGlobalValue(ProcessGlobalValue *pgvPtr, + Tcl_Obj *newValue, Tcl_Encoding encoding); +MODULE_SCOPE void TclSignalExitThread(Tcl_ThreadId id, int result); +MODULE_SCOPE void TclSpellFix(Tcl_Interp *interp, + Tcl_Obj *const *objv, int objc, int subIdx, + Tcl_Obj *bad, Tcl_Obj *fix); +MODULE_SCOPE void * TclStackRealloc(Tcl_Interp *interp, void *ptr, + int numBytes); +MODULE_SCOPE int TclStringCatObjv(Tcl_Interp *interp, int inPlace, + int objc, Tcl_Obj *const objv[], + Tcl_Obj **objPtrPtr); +MODULE_SCOPE int TclStringFind(Tcl_Obj *needle, Tcl_Obj *haystack, + int start); +MODULE_SCOPE int TclStringLast(Tcl_Obj *needle, Tcl_Obj *haystack, + int last); +MODULE_SCOPE int TclStringMatch(const char *str, int strLen, + const char *pattern, int ptnLen, int flags); +MODULE_SCOPE int TclStringMatchObj(Tcl_Obj *stringObj, + Tcl_Obj *patternObj, int flags); +MODULE_SCOPE Tcl_Obj * TclStringObjReverse(Tcl_Obj *objPtr); +MODULE_SCOPE int TclStringRepeat(Tcl_Interp *interp, Tcl_Obj *objPtr, + int count, Tcl_Obj **objPtrPtr); +MODULE_SCOPE void TclSubstCompile(Tcl_Interp *interp, const char *bytes, + int numBytes, int flags, int line, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclSubstOptions(Tcl_Interp *interp, int numOpts, + Tcl_Obj *const opts[], int *flagPtr); +MODULE_SCOPE void TclSubstParse(Tcl_Interp *interp, const char *bytes, + int numBytes, int flags, Tcl_Parse *parsePtr, + Tcl_InterpState *statePtr); +MODULE_SCOPE int TclSubstTokens(Tcl_Interp *interp, Tcl_Token *tokenPtr, + int count, int *tokensLeftPtr, int line, + int *clNextOuter, const char *outerScript); +MODULE_SCOPE int TclTrimLeft(const char *bytes, int numBytes, + const char *trim, int numTrim); +MODULE_SCOPE int TclTrimRight(const char *bytes, int numBytes, + const char *trim, int numTrim); +MODULE_SCOPE int TclUtfCasecmp(const char *cs, const char *ct); +MODULE_SCOPE int TclUtfCount(int ch); +MODULE_SCOPE Tcl_Obj * TclpNativeToNormalized(ClientData clientData); +MODULE_SCOPE Tcl_Obj * TclpFilesystemPathType(Tcl_Obj *pathPtr); +MODULE_SCOPE int TclpDlopen(Tcl_Interp *interp, Tcl_Obj *pathPtr, + Tcl_LoadHandle *loadHandle, + Tcl_FSUnloadFileProc **unloadProcPtr, int flags); +MODULE_SCOPE int TclpUtime(Tcl_Obj *pathPtr, struct utimbuf *tval); +#ifdef TCL_LOAD_FROM_MEMORY +MODULE_SCOPE void * TclpLoadMemoryGetBuffer(Tcl_Interp *interp, int size); +MODULE_SCOPE int TclpLoadMemory(Tcl_Interp *interp, void *buffer, + int size, int codeSize, Tcl_LoadHandle *loadHandle, + Tcl_FSUnloadFileProc **unloadProcPtr, int flags); +#endif +MODULE_SCOPE void TclInitThreadStorage(void); +MODULE_SCOPE void TclFinalizeThreadDataThread(void); +MODULE_SCOPE void TclFinalizeThreadStorage(void); +#ifdef TCL_WIDE_CLICKS +MODULE_SCOPE Tcl_WideInt TclpGetWideClicks(void); +MODULE_SCOPE double TclpWideClicksToNanoseconds(Tcl_WideInt clicks); +#endif +MODULE_SCOPE int TclZlibInit(Tcl_Interp *interp); +MODULE_SCOPE void * TclpThreadCreateKey(void); +MODULE_SCOPE void TclpThreadDeleteKey(void *keyPtr); +MODULE_SCOPE void TclpThreadSetMasterTSD(void *tsdKeyPtr, void *ptr); +MODULE_SCOPE void * TclpThreadGetMasterTSD(void *tsdKeyPtr); + +MODULE_SCOPE void TclErrorStackResetIf(Tcl_Interp *interp, const char *msg, int length); + +/* + *---------------------------------------------------------------- + * Command procedures in the generic core: + *---------------------------------------------------------------- + */ + +MODULE_SCOPE int Tcl_AfterObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_AppendObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ApplyObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitArrayCmd(Tcl_Interp *interp); +MODULE_SCOPE Tcl_Command TclInitBinaryCmd(Tcl_Interp *interp); +MODULE_SCOPE int Tcl_BreakObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +#ifndef TCL_NO_DEPRECATED +MODULE_SCOPE int Tcl_CaseObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +#endif +MODULE_SCOPE int Tcl_CatchObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_CdObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitChanCmd(Tcl_Interp *interp); +MODULE_SCOPE int TclChanCreateObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclChanPostEventObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclChanPopObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int TclChanPushObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE void TclClockInit(Tcl_Interp *interp); +MODULE_SCOPE int TclClockOldscanObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_CloseObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ConcatObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ContinueObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_TimerToken TclCreateAbsoluteTimerHandler( + Tcl_Time *timePtr, Tcl_TimerProc *proc, + ClientData clientData); +MODULE_SCOPE int TclDefaultBgErrorHandlerObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitDictCmd(Tcl_Interp *interp); +MODULE_SCOPE int TclDictWithFinish(Tcl_Interp *interp, Var *varPtr, + Var *arrayPtr, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, int index, int pathc, + Tcl_Obj *const pathv[], Tcl_Obj *keysPtr); +MODULE_SCOPE Tcl_Obj * TclDictWithInit(Tcl_Interp *interp, Tcl_Obj *dictPtr, + int pathc, Tcl_Obj *const pathv[]); +MODULE_SCOPE int Tcl_DisassembleObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); + +/* Assemble command function */ +MODULE_SCOPE int Tcl_AssembleObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclNRAssembleObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitEncodingCmd(Tcl_Interp *interp); +MODULE_SCOPE int TclMakeEncodingCommandSafe(Tcl_Interp *interp); +MODULE_SCOPE int Tcl_EofObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ErrorObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_EvalObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ExecObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ExitObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ExprObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_FblockedObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_FconfigureObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_FcopyObjCmd(ClientData dummy, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitFileCmd(Tcl_Interp *interp); +MODULE_SCOPE int TclMakeFileCommandSafe(Tcl_Interp *interp); +MODULE_SCOPE int Tcl_FileEventObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_FlushObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ForObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ForeachObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_FormatObjCmd(ClientData dummy, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_GetsObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_GlobalObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_GlobObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_IfObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_IncrObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitInfoCmd(Tcl_Interp *interp); +MODULE_SCOPE int Tcl_InterpObjCmd(ClientData clientData, + Tcl_Interp *interp, int argc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_JoinObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LappendObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LassignObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LindexObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LinsertObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LlengthObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ListObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LmapObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LoadObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LrangeObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LrepeatObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LreplaceObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LreverseObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LsearchObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LsetObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_LsortObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitNamespaceCmd(Tcl_Interp *interp); +MODULE_SCOPE int TclNamespaceEnsembleCmd(ClientData dummy, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_OpenObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_PackageObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_PidObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitPrefixCmd(Tcl_Interp *interp); +MODULE_SCOPE int Tcl_PutsObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_PwdObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ReadObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_RegexpObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_RegsubObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_RenameObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_RepresentationCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ReturnObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ScanObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_SeekObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_SetObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_SplitObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_SocketObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_SourceObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE Tcl_Command TclInitStringCmd(Tcl_Interp *interp); +MODULE_SCOPE int Tcl_SubstObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_SwitchObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_TellObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_ThrowObjCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_TimeObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_TraceObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_TryObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_UnloadObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_UnsetObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_UpdateObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_UplevelObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_UpvarObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_VariableObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_VwaitObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_WhileObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); + +/* + *---------------------------------------------------------------- + * Compilation procedures for commands in the generic core: + *---------------------------------------------------------------- + */ + +MODULE_SCOPE int TclCompileAppendCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileArrayExistsCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileArraySetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileArrayUnsetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBreakCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileCatchCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileClockClicksCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileClockReadingCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileConcatCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileContinueCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictAppendCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictCreateCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictExistsCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictForCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictGetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictIncrCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictLappendCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictMapCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictMergeCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictSetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictUnsetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictUpdateCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileDictWithCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileEnsemble(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileErrorCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileExprCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileForCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileForeachCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileFormatCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileGlobalCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileIfCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoCommandsCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoCoroutineCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoExistsCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoLevelCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoObjectClassCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoObjectIsACmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileInfoObjectNamespaceCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileIncrCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLappendCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLassignCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLindexCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLinsertCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileListCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLlengthCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLmapCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLrangeCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLreplaceCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileLsetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceCodeCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceCurrentCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceOriginCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceQualifiersCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceTailCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceUpvarCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNamespaceWhichCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileNoOp(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileObjectNextCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileObjectNextToCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileObjectSelfCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileRegexpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileRegsubCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileReturnCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileSetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringCatCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringCmpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringEqualCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringFirstCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringIndexCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringIsCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringLastCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringLenCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringMapCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringMatchCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringRangeCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringReplaceCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringToLowerCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringToTitleCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringToUpperCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringTrimCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringTrimLCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileStringTrimRCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileSubstCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileSwitchCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileTailcallCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileThrowCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileTryCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileUnsetCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileUpvarCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileVariableCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileWhileCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileYieldCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileYieldToCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic0ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic1ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic2ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic3ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic0Or1ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic1Or2ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic2Or3ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic0To2ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasic1To3ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasicMin0ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasicMin1ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclCompileBasicMin2ArgCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); + +MODULE_SCOPE int TclInvertOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileInvertOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclNotOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileNotOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclAddOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileAddOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclMulOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileMulOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclAndOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileAndOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclOrOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileOrOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclXorOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileXorOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclPowOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompilePowOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclLshiftOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileLshiftOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclRshiftOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileRshiftOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclModOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileModOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclNeqOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileNeqOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclStrneqOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileStrneqOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclInOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileInOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclNiOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileNiOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclMinusOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileMinusOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclDivOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileDivOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclLessOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileLessOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclLeqOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileLeqOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclGreaterOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileGreaterOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclGeqOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileGeqOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclEqOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileEqOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); +MODULE_SCOPE int TclStreqOpCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclCompileStreqOpCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); + +MODULE_SCOPE int TclCompileAssembleCmd(Tcl_Interp *interp, + Tcl_Parse *parsePtr, Command *cmdPtr, + struct CompileEnv *envPtr); + +/* + * Functions defined in generic/tclVar.c and currently exported only for use + * by the bytecode compiler and engine. Some of these could later be placed in + * the public interface. + */ + +MODULE_SCOPE Var * TclObjLookupVarEx(Tcl_Interp * interp, + Tcl_Obj *part1Ptr, Tcl_Obj *part2Ptr, int flags, + const char *msg, const int createPart1, + const int createPart2, Var **arrayPtrPtr); +MODULE_SCOPE Var * TclLookupArrayElement(Tcl_Interp *interp, + Tcl_Obj *arrayNamePtr, Tcl_Obj *elNamePtr, + const int flags, const char *msg, + const int createPart1, const int createPart2, + Var *arrayPtr, int index); +MODULE_SCOPE Tcl_Obj * TclPtrGetVarIdx(Tcl_Interp *interp, + Var *varPtr, Var *arrayPtr, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, const int flags, int index); +MODULE_SCOPE Tcl_Obj * TclPtrSetVarIdx(Tcl_Interp *interp, + Var *varPtr, Var *arrayPtr, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, Tcl_Obj *newValuePtr, + const int flags, int index); +MODULE_SCOPE Tcl_Obj * TclPtrIncrObjVarIdx(Tcl_Interp *interp, + Var *varPtr, Var *arrayPtr, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, Tcl_Obj *incrPtr, + const int flags, int index); +MODULE_SCOPE int TclPtrObjMakeUpvarIdx(Tcl_Interp *interp, + Var *otherPtr, Tcl_Obj *myNamePtr, int myFlags, + int index); +MODULE_SCOPE int TclPtrUnsetVarIdx(Tcl_Interp *interp, Var *varPtr, + Var *arrayPtr, Tcl_Obj *part1Ptr, + Tcl_Obj *part2Ptr, const int flags, + int index); +MODULE_SCOPE void TclInvalidateNsPath(Namespace *nsPtr); +MODULE_SCOPE void TclFindArrayPtrElements(Var *arrayPtr, + Tcl_HashTable *tablePtr); + +/* + * The new extended interface to the variable traces. + */ + +MODULE_SCOPE int TclObjCallVarTraces(Interp *iPtr, Var *arrayPtr, + Var *varPtr, Tcl_Obj *part1Ptr, Tcl_Obj *part2Ptr, + int flags, int leaveErrMsg, int index); + +/* + * So tclObj.c and tclDictObj.c can share these implementations. + */ + +MODULE_SCOPE int TclCompareObjKeys(void *keyPtr, Tcl_HashEntry *hPtr); +MODULE_SCOPE void TclFreeObjEntry(Tcl_HashEntry *hPtr); +MODULE_SCOPE TCL_HASH_TYPE TclHashObjKey(Tcl_HashTable *tablePtr, void *keyPtr); + +MODULE_SCOPE int TclFullFinalizationRequested(void); + +/* + *---------------------------------------------------------------- + * 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(Tcl_Obj *objPtr); + * MODULE_SCOPE void TclDecrRefCount(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. + *---------------------------------------------------------------- + */ + +/* + * DTrace object allocation probe macros. + */ + +#ifdef USE_DTRACE +#ifndef _TCLDTRACE_H +typedef const char *TclDTraceStr; +#include "tclDTrace.h" +#endif +#define TCL_DTRACE_OBJ_CREATE(objPtr) TCL_OBJ_CREATE(objPtr) +#define TCL_DTRACE_OBJ_FREE(objPtr) TCL_OBJ_FREE(objPtr) +#else /* USE_DTRACE */ +#define TCL_DTRACE_OBJ_CREATE(objPtr) {} +#define TCL_DTRACE_OBJ_FREE(objPtr) {} +#endif /* USE_DTRACE */ + +#ifdef TCL_COMPILE_STATS +# define TclIncrObjsAllocated() \ + tclObjsAlloced++ +# define TclIncrObjsFreed() \ + tclObjsFreed++ +#else +# define TclIncrObjsAllocated() +# define TclIncrObjsFreed() +#endif /* TCL_COMPILE_STATS */ + +# define TclAllocObjStorage(objPtr) \ + TclAllocObjStorageEx(NULL, (objPtr)) + +# define TclFreeObjStorage(objPtr) \ + TclFreeObjStorageEx(NULL, (objPtr)) + +#ifndef TCL_MEM_DEBUG +# define TclNewObj(objPtr) \ + TclIncrObjsAllocated(); \ + TclAllocObjStorage(objPtr); \ + (objPtr)->refCount = 0; \ + (objPtr)->bytes = &tclEmptyString; \ + (objPtr)->length = 0; \ + (objPtr)->typePtr = NULL; \ + TCL_DTRACE_OBJ_CREATE(objPtr) + +/* + * Invalidate the string rep first so we can use the bytes value for our + * pointer chain, and signal an obj deletion (as opposed to shimmering) with + * 'length == -1'. + * Use empty 'if ; else' to handle use in unbraced outer if/else conditions. + */ + +# define TclDecrRefCount(objPtr) \ + if ((objPtr)->refCount-- > 1) ; else { \ + if (!(objPtr)->typePtr || !(objPtr)->typePtr->freeIntRepProc) { \ + TCL_DTRACE_OBJ_FREE(objPtr); \ + if ((objPtr)->bytes \ + && ((objPtr)->bytes != &tclEmptyString)) { \ + ckfree((objPtr)->bytes); \ + } \ + (objPtr)->length = -1; \ + TclFreeObjStorage(objPtr); \ + TclIncrObjsFreed(); \ + } else { \ + TclFreeObj(objPtr); \ + } \ + } + +#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 TclAllocObjStorageEx(interp, objPtr) \ + (objPtr) = (Tcl_Obj *) ckalloc(sizeof(Tcl_Obj)) + +# define TclFreeObjStorageEx(interp, objPtr) \ + ckfree(objPtr) + +#undef USE_THREAD_ALLOC +#undef USE_TCLALLOC +#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(void); +MODULE_SCOPE void TclThreadFreeObj(Tcl_Obj *); +MODULE_SCOPE Tcl_Mutex *TclpNewAllocMutex(void); +MODULE_SCOPE void TclFreeAllocCache(void *); +MODULE_SCOPE void * TclpGetAllocCache(void); +MODULE_SCOPE void TclpSetAllocCache(void *); +MODULE_SCOPE void TclpFreeAllocMutex(Tcl_Mutex *mutex); +MODULE_SCOPE void TclpInitAllocCache(void); +MODULE_SCOPE void TclpFreeAllocCache(void *); + +/* + * These macros need to be kept in sync with the code of TclThreadAllocObj() + * and TclThreadFreeObj(). + * + * Note that the optimiser should resolve the case (interp==NULL) at compile + * time. + */ + +# define ALLOC_NOBJHIGH 1200 + +# define TclAllocObjStorageEx(interp, objPtr) \ + do { \ + AllocCache *cachePtr; \ + if (((interp) == NULL) || \ + ((cachePtr = ((Interp *)(interp))->allocCache), \ + (cachePtr->numObjects == 0))) { \ + (objPtr) = TclThreadAllocObj(); \ + } else { \ + (objPtr) = cachePtr->firstObjPtr; \ + cachePtr->firstObjPtr = (objPtr)->internalRep.twoPtrValue.ptr1; \ + --cachePtr->numObjects; \ + } \ + } while (0) + +# define TclFreeObjStorageEx(interp, objPtr) \ + do { \ + AllocCache *cachePtr; \ + if (((interp) == NULL) || \ + ((cachePtr = ((Interp *)(interp))->allocCache), \ + ((cachePtr->numObjects == 0) || \ + (cachePtr->numObjects >= ALLOC_NOBJHIGH)))) { \ + TclThreadFreeObj(objPtr); \ + } else { \ + (objPtr)->internalRep.twoPtrValue.ptr1 = cachePtr->firstObjPtr; \ + cachePtr->firstObjPtr = objPtr; \ + ++cachePtr->numObjects; \ + } \ + } while (0) + +#else /* not PURIFY or USE_THREAD_ALLOC */ + +#if defined(USE_TCLALLOC) && USE_TCLALLOC + MODULE_SCOPE void TclFinalizeAllocSubsystem(); + MODULE_SCOPE void TclInitAlloc(); +#else +# define USE_TCLALLOC 0 +#endif + +#ifdef TCL_THREADS +/* declared in tclObj.c */ +MODULE_SCOPE Tcl_Mutex tclObjMutex; +#endif + +# define TclAllocObjStorageEx(interp, objPtr) \ + do { \ + Tcl_MutexLock(&tclObjMutex); \ + if (tclFreeObjList == NULL) { \ + TclAllocateFreeObjects(); \ + } \ + (objPtr) = tclFreeObjList; \ + tclFreeObjList = (Tcl_Obj *) \ + tclFreeObjList->internalRep.twoPtrValue.ptr1; \ + Tcl_MutexUnlock(&tclObjMutex); \ + } while (0) + +# define TclFreeObjStorageEx(interp, objPtr) \ + do { \ + Tcl_MutexLock(&tclObjMutex); \ + (objPtr)->internalRep.twoPtrValue.ptr1 = (void *) tclFreeObjList; \ + tclFreeObjList = (objPtr); \ + Tcl_MutexUnlock(&tclObjMutex); \ + } while (0) +#endif + +#else /* TCL_MEM_DEBUG */ +MODULE_SCOPE void TclDbInitNewObj(Tcl_Obj *objPtr, const char *file, + int line); + +# define TclDbNewObj(objPtr, file, line) \ + do { \ + TclIncrObjsAllocated(); \ + (objPtr) = (Tcl_Obj *) \ + Tcl_DbCkalloc(sizeof(Tcl_Obj), (file), (line)); \ + TclDbInitNewObj((objPtr), (file), (line)); \ + TCL_DTRACE_OBJ_CREATE(objPtr); \ + } while (0) + +# 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(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 = &tclEmptyString; \ + (objPtr)->length = 0; \ + } else { \ + (objPtr)->bytes = (char *) ckalloc((unsigned) ((len) + 1)); \ + memcpy((objPtr)->bytes, (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(Tcl_Obj *objPtr); + *---------------------------------------------------------------- + */ + +#define TclGetString(objPtr) \ + ((objPtr)->bytes? (objPtr)->bytes : Tcl_GetString(objPtr)) + +#define TclGetStringFromObj(objPtr, lenPtr) \ + ((objPtr)->bytes \ + ? (*(lenPtr) = (objPtr)->length, (objPtr)->bytes) \ + : Tcl_GetStringFromObj((objPtr), (lenPtr))) + +/* + *---------------------------------------------------------------- + * 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(Tcl_Obj *objPtr); + *---------------------------------------------------------------- + */ + +#define TclFreeIntRep(objPtr) \ + if ((objPtr)->typePtr != NULL) { \ + if ((objPtr)->typePtr->freeIntRepProc != NULL) { \ + (objPtr)->typePtr->freeIntRepProc(objPtr); \ + } \ + (objPtr)->typePtr = NULL; \ + } + +/* + *---------------------------------------------------------------- + * 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(Tcl_Obj *objPtr); + *---------------------------------------------------------------- + */ + +#define TclInvalidateStringRep(objPtr) \ + if ((objPtr)->bytes != NULL) { \ + if ((objPtr)->bytes != &tclEmptyString) { \ + ckfree((objPtr)->bytes); \ + } \ + (objPtr)->bytes = NULL; \ + } + +/* + *---------------------------------------------------------------- + * Macros used by the Tcl core to grow Tcl_Token arrays. They use the same + * growth algorithm as used in tclStringObj.c for growing strings. The ANSI C + * "prototype" for this macro is: + * + * MODULE_SCOPE void TclGrowTokenArray(Tcl_Token *tokenPtr, int used, + * int available, int append, + * Tcl_Token *staticPtr); + * MODULE_SCOPE void TclGrowParseTokenArray(Tcl_Parse *parsePtr, + * int append); + *---------------------------------------------------------------- + */ + +/* General tuning for minimum growth in Tcl growth algorithms */ +#ifndef TCL_MIN_GROWTH +# ifdef TCL_GROWTH_MIN_ALLOC + /* Support for any legacy tuners */ +# define TCL_MIN_GROWTH TCL_GROWTH_MIN_ALLOC +# else +# define TCL_MIN_GROWTH 1024 +# endif +#endif + +/* Token growth tuning, default to the general value. */ +#ifndef TCL_MIN_TOKEN_GROWTH +#define TCL_MIN_TOKEN_GROWTH TCL_MIN_GROWTH/sizeof(Tcl_Token) +#endif + +#define TCL_MAX_TOKENS (int)(UINT_MAX / sizeof(Tcl_Token)) +#define TclGrowTokenArray(tokenPtr, used, available, append, staticPtr) \ + do { \ + int _needed = (used) + (append); \ + if (_needed > TCL_MAX_TOKENS) { \ + Tcl_Panic("max # of tokens for a Tcl parse (%d) exceeded", \ + TCL_MAX_TOKENS); \ + } \ + if (_needed > (available)) { \ + int allocated = 2 * _needed; \ + Tcl_Token *oldPtr = (tokenPtr); \ + Tcl_Token *newPtr; \ + if (oldPtr == (staticPtr)) { \ + oldPtr = NULL; \ + } \ + if (allocated > TCL_MAX_TOKENS) { \ + allocated = TCL_MAX_TOKENS; \ + } \ + newPtr = (Tcl_Token *) attemptckrealloc((char *) oldPtr, \ + (unsigned int) (allocated * sizeof(Tcl_Token))); \ + if (newPtr == NULL) { \ + allocated = _needed + (append) + TCL_MIN_TOKEN_GROWTH; \ + if (allocated > TCL_MAX_TOKENS) { \ + allocated = TCL_MAX_TOKENS; \ + } \ + newPtr = (Tcl_Token *) ckrealloc((char *) oldPtr, \ + (unsigned int) (allocated * sizeof(Tcl_Token))); \ + } \ + (available) = allocated; \ + if (oldPtr == NULL) { \ + memcpy(newPtr, staticPtr, \ + (size_t) ((used) * sizeof(Tcl_Token))); \ + } \ + (tokenPtr) = newPtr; \ + } \ + } while (0) + +#define TclGrowParseTokenArray(parsePtr, append) \ + TclGrowTokenArray((parsePtr)->tokenPtr, (parsePtr)->numTokens, \ + (parsePtr)->tokensAvailable, (append), \ + (parsePtr)->staticTokens) + +/* + *---------------------------------------------------------------- + * 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(const char *string, Tcl_UniChar *ch); + *---------------------------------------------------------------- + */ + +#define TclUtfToUniChar(str, chPtr) \ + ((((unsigned char) *(str)) < 0xC0) ? \ + ((*(chPtr) = (unsigned char) *(str)), 1) \ + : Tcl_UtfToUniChar(str, chPtr)) + +/* + *---------------------------------------------------------------- + * Macro counterpart of the Tcl_NumUtfChars() function. To be used in speed- + * -sensitive points where it pays to avoid a function call in the common case + * of counting along a string of all one-byte characters. The ANSI C + * "prototype" for this macro is: + * + * MODULE_SCOPE void TclNumUtfChars(int numChars, const char *bytes, + * int numBytes); + *---------------------------------------------------------------- + */ + +#define TclNumUtfChars(numChars, bytes, numBytes) \ + do { \ + int _count, _i = (numBytes); \ + unsigned char *_str = (unsigned char *) (bytes); \ + while (_i && (*_str < 0xC0)) { _i--; _str++; } \ + _count = (numBytes) - _i; \ + if (_i) { \ + _count += Tcl_NumUtfChars((bytes) + _count, _i); \ + } \ + (numChars) = _count; \ + } while (0); + +/* + *---------------------------------------------------------------- + * Macro that encapsulates the logic that determines when it is safe to + * interpret a string as a byte array directly. In summary, the object must be + * a byte array and must not have a string representation (as the operations + * that it is used in are defined on strings, not byte arrays). Theoretically + * it is possible to also be efficient in the case where the object's bytes + * field is filled by generation from the byte array (c.f. list canonicality) + * but we don't do that at the moment since this is purely about efficiency. + * The ANSI C "prototype" for this macro is: + * + * MODULE_SCOPE int TclIsPureByteArray(Tcl_Obj *objPtr); + *---------------------------------------------------------------- + */ + +MODULE_SCOPE int TclIsPureByteArray(Tcl_Obj *objPtr); + +/* + *---------------------------------------------------------------- + * 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(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(Namespace *nsPtr); + *---------------------------------------------------------------- + */ + +#define TclInvalidateNsCmdLookup(nsPtr) \ + if ((nsPtr)->numExportPatterns) { \ + (nsPtr)->exportLookupEpoch++; \ + } \ + if ((nsPtr)->commandPathLength) { \ + (nsPtr)->cmdRefEpoch++; \ + } + +/* + *---------------------------------------------------------------------- + * + * Core procedure added to libtommath for bignum manipulation. + * + *---------------------------------------------------------------------- + */ + +MODULE_SCOPE Tcl_PackageInitProc TclTommath_Init; + +/* + *---------------------------------------------------------------------- + * + * External (platform specific) initialization routine, these declarations + * explicitly don't use EXTERN since this code does not get compiled into the + * library: + * + *---------------------------------------------------------------------- + */ + +MODULE_SCOPE Tcl_PackageInitProc TclplatformtestInit; +MODULE_SCOPE Tcl_PackageInitProc TclObjTest_Init; +MODULE_SCOPE Tcl_PackageInitProc TclThread_Init; +MODULE_SCOPE Tcl_PackageInitProc Procbodytest_Init; +MODULE_SCOPE Tcl_PackageInitProc Procbodytest_SafeInit; + +/* + *---------------------------------------------------------------- + * 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(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 TclSetLongObj(Tcl_Obj *objPtr, long longValue); + * MODULE_SCOPE void TclSetWideIntObj(Tcl_Obj *objPtr, Tcl_WideInt w); + * MODULE_SCOPE void TclSetDoubleObj(Tcl_Obj *objPtr, double d); + *---------------------------------------------------------------- + */ + +#define TclSetLongObj(objPtr, i) \ + do { \ + TclInvalidateStringRep(objPtr); \ + TclFreeIntRep(objPtr); \ + (objPtr)->internalRep.longValue = (long)(i); \ + (objPtr)->typePtr = &tclIntType; \ + } while (0) + +#ifndef TCL_WIDE_INT_IS_LONG +#define TclSetWideIntObj(objPtr, w) \ + do { \ + TclInvalidateStringRep(objPtr); \ + TclFreeIntRep(objPtr); \ + (objPtr)->internalRep.wideValue = (Tcl_WideInt)(w); \ + (objPtr)->typePtr = &tclWideIntType; \ + } while (0) +#endif + +#define TclSetDoubleObj(objPtr, d) \ + do { \ + TclInvalidateStringRep(objPtr); \ + TclFreeIntRep(objPtr); \ + (objPtr)->internalRep.doubleValue = (double)(d); \ + (objPtr)->typePtr = &tclDoubleType; \ + } while (0) + +/* + *---------------------------------------------------------------- + * 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 TclNewLongObj(Tcl_Obj *objPtr, long l); + * MODULE_SCOPE void TclNewWideObj(Tcl_Obj *objPtr, Tcl_WideInt w); + * MODULE_SCOPE void TclNewDoubleObj(Tcl_Obj *objPtr, double d); + * MODULE_SCOPE void TclNewStringObj(Tcl_Obj *objPtr, const char *s, int len); + * MODULE_SCOPE void TclNewLiteralStringObj(Tcl_Obj*objPtr, const char *sLiteral); + * + *---------------------------------------------------------------- + */ + +#ifndef TCL_MEM_DEBUG +#define TclNewLongObj(objPtr, i) \ + do { \ + TclIncrObjsAllocated(); \ + TclAllocObjStorage(objPtr); \ + (objPtr)->refCount = 0; \ + (objPtr)->bytes = NULL; \ + (objPtr)->internalRep.longValue = (long)(i); \ + (objPtr)->typePtr = &tclIntType; \ + TCL_DTRACE_OBJ_CREATE(objPtr); \ + } while (0) + +#define TclNewDoubleObj(objPtr, d) \ + do { \ + TclIncrObjsAllocated(); \ + TclAllocObjStorage(objPtr); \ + (objPtr)->refCount = 0; \ + (objPtr)->bytes = NULL; \ + (objPtr)->internalRep.doubleValue = (double)(d); \ + (objPtr)->typePtr = &tclDoubleType; \ + TCL_DTRACE_OBJ_CREATE(objPtr); \ + } while (0) + +#define TclNewStringObj(objPtr, s, len) \ + do { \ + TclIncrObjsAllocated(); \ + TclAllocObjStorage(objPtr); \ + (objPtr)->refCount = 0; \ + TclInitStringRep((objPtr), (s), (len)); \ + (objPtr)->typePtr = NULL; \ + TCL_DTRACE_OBJ_CREATE(objPtr); \ + } while (0) + +#else /* TCL_MEM_DEBUG */ +#define TclNewLongObj(objPtr, l) \ + (objPtr) = Tcl_NewLongObj(l) + +#define TclNewDoubleObj(objPtr, d) \ + (objPtr) = Tcl_NewDoubleObj(d) + +#define TclNewStringObj(objPtr, s, len) \ + (objPtr) = Tcl_NewStringObj((s), (len)) +#endif /* TCL_MEM_DEBUG */ + +/* + * The sLiteral argument *must* be a string literal; the incantation with + * sizeof(sLiteral "") will fail to compile otherwise. + */ +#define TclNewLiteralStringObj(objPtr, sLiteral) \ + TclNewStringObj((objPtr), (sLiteral), (int) (sizeof(sLiteral "") - 1)) + +/* + *---------------------------------------------------------------- + * Convenience macros for DStrings. + * The ANSI C "prototypes" for these macros are: + * + * MODULE_SCOPE char * TclDStringAppendLiteral(Tcl_DString *dsPtr, + * const char *sLiteral); + * MODULE_SCOPE void TclDStringClear(Tcl_DString *dsPtr); + */ + +#define TclDStringAppendLiteral(dsPtr, sLiteral) \ + Tcl_DStringAppend((dsPtr), (sLiteral), (int) (sizeof(sLiteral "") - 1)) +#define TclDStringClear(dsPtr) \ + Tcl_DStringSetLength((dsPtr), 0) + +/* + *---------------------------------------------------------------- + * Macros used by the Tcl core to test for some special double values. + * The ANSI C "prototypes" for these macros are: + * + * MODULE_SCOPE int TclIsInfinite(double d); + * MODULE_SCOPE int TclIsNaN(double d); + */ + +#ifdef _MSC_VER +# define TclIsInfinite(d) (!(_finite((d)))) +# define TclIsNaN(d) (_isnan((d))) +#else +# define TclIsInfinite(d) ((d) > DBL_MAX || (d) < -DBL_MAX) +# ifdef NO_ISNAN +# define TclIsNaN(d) ((d) != (d)) +# else +# define TclIsNaN(d) (isnan(d)) +# endif +#endif + +/* + * ---------------------------------------------------------------------- + * Macro to use to find the offset of a field in a structure. Computes number + * of bytes from beginning of structure to a given field. + */ + +#ifdef offsetof +#define TclOffset(type, field) ((int) offsetof(type, field)) +#else +#define TclOffset(type, field) ((int) ((char *) &((type *) 0)->field)) +#endif + +/* + *---------------------------------------------------------------- + * Inline version of Tcl_GetCurrentNamespace and Tcl_GetGlobalNamespace. + */ + +#define TclGetCurrentNamespace(interp) \ + (Tcl_Namespace *) ((Interp *)(interp))->varFramePtr->nsPtr + +#define TclGetGlobalNamespace(interp) \ + (Tcl_Namespace *) ((Interp *)(interp))->globalNsPtr + +/* + *---------------------------------------------------------------- + * Inline version of TclCleanupCommand; still need the function as it is in + * the internal stubs, but the core can use the macro instead. + */ + +#define TclCleanupCommandMacro(cmdPtr) \ + if ((cmdPtr)->refCount-- <= 1) { \ + ckfree(cmdPtr);\ + } + +/* + *---------------------------------------------------------------- + * Inline versions of Tcl_LimitReady() and Tcl_LimitExceeded to limit number + * of calls out of the critical path. Note that this code isn't particularly + * readable; the non-inline version (in tclInterp.c) is much easier to + * understand. Note also that these macros takes different args (iPtr->limit) + * to the non-inline version. + */ + +#define TclLimitExceeded(limit) ((limit).exceeded != 0) + +#define TclLimitReady(limit) \ + (((limit).active == 0) ? 0 : \ + (++(limit).granularityTicker, \ + ((((limit).active & TCL_LIMIT_COMMANDS) && \ + (((limit).cmdGranularity == 1) || \ + ((limit).granularityTicker % (limit).cmdGranularity == 0))) \ + ? 1 : \ + (((limit).active & TCL_LIMIT_TIME) && \ + (((limit).timeGranularity == 1) || \ + ((limit).granularityTicker % (limit).timeGranularity == 0)))\ + ? 1 : 0))) + +/* + * Compile-time assertions: these produce a compile time error if the + * expression is not known to be true at compile time. If the assertion is + * known to be false, the compiler (or optimizer?) will error out with + * "division by zero". If the assertion cannot be evaluated at compile time, + * the compiler will error out with "non-static initializer". + * + * Adapted with permission from + * http://www.pixelbeat.org/programming/gcc/static_assert.html + */ + +#define TCL_CT_ASSERT(e) \ + {enum { ct_assert_value = 1/(!!(e)) };} + +/* + *---------------------------------------------------------------- + * Allocator for small structs (<=sizeof(Tcl_Obj)) using the Tcl_Obj pool. + * Only checked at compile time. + * + * ONLY USE FOR CONSTANT nBytes. + * + * DO NOT LET THEM CROSS THREAD BOUNDARIES + *---------------------------------------------------------------- + */ + +#define TclSmallAlloc(nbytes, memPtr) \ + TclSmallAllocEx(NULL, (nbytes), (memPtr)) + +#define TclSmallFree(memPtr) \ + TclSmallFreeEx(NULL, (memPtr)) + +#ifndef TCL_MEM_DEBUG +#define TclSmallAllocEx(interp, nbytes, memPtr) \ + do { \ + Tcl_Obj *_objPtr; \ + TCL_CT_ASSERT((nbytes)<=sizeof(Tcl_Obj)); \ + TclIncrObjsAllocated(); \ + TclAllocObjStorageEx((interp), (_objPtr)); \ + memPtr = (ClientData) (_objPtr); \ + } while (0) + +#define TclSmallFreeEx(interp, memPtr) \ + do { \ + TclFreeObjStorageEx((interp), (Tcl_Obj *) (memPtr)); \ + TclIncrObjsFreed(); \ + } while (0) + +#else /* TCL_MEM_DEBUG */ +#define TclSmallAllocEx(interp, nbytes, memPtr) \ + do { \ + Tcl_Obj *_objPtr; \ + TCL_CT_ASSERT((nbytes)<=sizeof(Tcl_Obj)); \ + TclNewObj(_objPtr); \ + memPtr = (ClientData) _objPtr; \ + } while (0) + +#define TclSmallFreeEx(interp, memPtr) \ + do { \ + Tcl_Obj *_objPtr = (Tcl_Obj *) memPtr; \ + _objPtr->bytes = NULL; \ + _objPtr->typePtr = NULL; \ + _objPtr->refCount = 1; \ + TclDecrRefCount(_objPtr); \ + } while (0) +#endif /* TCL_MEM_DEBUG */ + +/* + * Support for Clang Static Analyzer <http://clang-analyzer.llvm.org> + */ + +#if defined(PURIFY) && defined(__clang__) +#if __has_feature(attribute_analyzer_noreturn) && \ + !defined(Tcl_Panic) && defined(Tcl_Panic_TCL_DECLARED) +void Tcl_Panic(const char *, ...) __attribute__((analyzer_noreturn)); +#endif +#if !defined(CLANG_ASSERT) +#include <assert.h> +#define CLANG_ASSERT(x) assert(x) +#endif +#elif !defined(CLANG_ASSERT) +#define CLANG_ASSERT(x) +#endif /* PURIFY && __clang__ */ + +/* + *---------------------------------------------------------------- + * Parameters, structs and macros for the non-recursive engine (NRE) + *---------------------------------------------------------------- + */ + +#define NRE_USE_SMALL_ALLOC 1 /* Only turn off for debugging purposes. */ +#ifndef NRE_ENABLE_ASSERTS +#define NRE_ENABLE_ASSERTS 0 +#endif + +/* + * This is the main data struct for representing NR commands. It is designed + * to fit in sizeof(Tcl_Obj) in order to exploit the fastest memory allocator + * available. + */ + +typedef struct NRE_callback { + Tcl_NRPostProc *procPtr; + ClientData data[4]; + struct NRE_callback *nextPtr; +} NRE_callback; + +#define TOP_CB(iPtr) (((Interp *)(iPtr))->execEnvPtr->callbackPtr) + +/* + * Inline version of Tcl_NRAddCallback. + */ + +#define TclNRAddCallback(interp,postProcPtr,data0,data1,data2,data3) \ + do { \ + NRE_callback *_callbackPtr; \ + TCLNR_ALLOC((interp), (_callbackPtr)); \ + _callbackPtr->procPtr = (postProcPtr); \ + _callbackPtr->data[0] = (ClientData)(data0); \ + _callbackPtr->data[1] = (ClientData)(data1); \ + _callbackPtr->data[2] = (ClientData)(data2); \ + _callbackPtr->data[3] = (ClientData)(data3); \ + _callbackPtr->nextPtr = TOP_CB(interp); \ + TOP_CB(interp) = _callbackPtr; \ + } while (0) + +#if NRE_USE_SMALL_ALLOC +#define TCLNR_ALLOC(interp, ptr) \ + TclSmallAllocEx(interp, sizeof(NRE_callback), (ptr)) +#define TCLNR_FREE(interp, ptr) TclSmallFreeEx((interp), (ptr)) +#else +#define TCLNR_ALLOC(interp, ptr) \ + (ptr = ((ClientData) ckalloc(sizeof(NRE_callback)))) +#define TCLNR_FREE(interp, ptr) ckfree(ptr) +#endif + +#if NRE_ENABLE_ASSERTS +#define NRE_ASSERT(expr) assert((expr)) +#else +#define NRE_ASSERT(expr) +#endif + +#include "tclIntDecls.h" +#include "tclIntPlatDecls.h" +#include "tclTomMathDecls.h" + +#if !defined(USE_TCL_STUBS) && !defined(TCL_MEM_DEBUG) +#define Tcl_AttemptAlloc(size) TclpAlloc(size) +#define Tcl_AttemptRealloc(ptr, size) TclpRealloc((ptr), (size)) +#define Tcl_Free(ptr) TclpFree(ptr) +#endif + +#endif /* _TCLINT */ + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |