freebsd_amp_hwpstate/contrib/tcl/generic/tclTestObj.c

1098 lines
32 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* tclTestObj.c --
*
* This file contains C command procedures for the additional Tcl
* commands that are used for testing implementations of the Tcl object
* types. These commands are not normally included in Tcl
* applications; they're only used for testing.
*
* Copyright (c) 1995, 1996 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) tclTestObj.c 1.27 97/05/19 17:37:31
*/
#include "tclInt.h"
/*
* An array of Tcl_Obj pointers used in the commands that operate on or get
* the values of Tcl object-valued variables. varPtr[i] is the i-th
* variable's Tcl_Obj *.
*/
#define NUMBER_OF_OBJECT_VARS 20
static Tcl_Obj *varPtr[NUMBER_OF_OBJECT_VARS];
/*
* Forward declarations for procedures defined later in this file:
*/
static int CheckIfVarUnset _ANSI_ARGS_((Tcl_Interp *interp,
int varIndex));
static int GetVariableIndex _ANSI_ARGS_((Tcl_Interp *interp,
char *string, int *indexPtr));
static void SetVarToObj _ANSI_ARGS_((int varIndex,
Tcl_Obj *objPtr));
int TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp));
static int TestbooleanobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int TestconvertobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int TestdoubleobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int TestindexobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int TestintobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int TestobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int TeststringobjCmd _ANSI_ARGS_((ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
/*
*----------------------------------------------------------------------
*
* TclObjTest_Init --
*
* This procedure creates additional commands that are used to test the
* Tcl object support.
*
* Results:
* Returns a standard Tcl completion code, and leaves an error
* message in interp->result if an error occurs.
*
* Side effects:
* Creates and registers several new testing commands.
*
*----------------------------------------------------------------------
*/
int
TclObjTest_Init(interp)
Tcl_Interp *interp;
{
register int i;
for (i = 0; i < NUMBER_OF_OBJECT_VARS; i++) {
varPtr[i] = NULL;
}
Tcl_CreateObjCommand(interp, "testbooleanobj", TestbooleanobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "testconvertobj", TestconvertobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "testdoubleobj", TestdoubleobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "testintobj", TestintobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "testindexobj", TestindexobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "testobj", TestobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "teststringobj", TeststringobjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TestbooleanobjCmd --
*
* This procedure implements the "testbooleanobj" command. It is used
* to test the boolean Tcl object type implementation.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Creates and frees boolean objects, and also converts objects to
* have boolean type.
*
*----------------------------------------------------------------------
*/
static int
TestbooleanobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int varIndex, boolValue, length;
char *index, *subCmd;
if (objc < 3) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
return TCL_ERROR;
}
/*
* THIS FAILS IF AN OBJECT'S STRING REP HAS A NULL BYTE.
*/
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
subCmd = Tcl_GetStringFromObj(objv[1], &length);
if (strcmp(subCmd, "set") == 0) {
if (objc != 4) {
goto wrongNumArgs;
}
if (Tcl_GetBooleanFromObj(interp, objv[3], &boolValue) != TCL_OK) {
return TCL_ERROR;
}
/*
* If the object currently bound to the variable with index varIndex
* has ref count 1 (i.e. the object is unshared) we can modify that
* object directly. Otherwise, if RC>1 (i.e. the object is shared),
* we must create a new object to modify/set and decrement the old
* formerly-shared object's ref count. This is "copy on write".
*/
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetBooleanObj(varPtr[varIndex], boolValue);
} else {
SetVarToObj(varIndex, Tcl_NewBooleanObj(boolValue));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "get") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "not") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (Tcl_GetBooleanFromObj(interp, varPtr[varIndex],
&boolValue) != TCL_OK) {
return TCL_ERROR;
}
if (!Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetBooleanObj(varPtr[varIndex], !boolValue);
} else {
SetVarToObj(varIndex, Tcl_NewBooleanObj(!boolValue));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"bad option \"", Tcl_GetStringFromObj(objv[1], (int *) NULL),
"\": must be set, get, or not", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TestconvertobjCmd --
*
* This procedure implements the "testconvertobj" command. It is used
* to test converting objects to new types.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Converts objects to new types.
*
*----------------------------------------------------------------------
*/
static int
TestconvertobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int length;
char *subCmd;
char buf[20];
if (objc < 3) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
return TCL_ERROR;
}
/*
* THIS FAILS IF AN OBJECT'S STRING REP HAS A NULL BYTE.
*/
subCmd = Tcl_GetStringFromObj(objv[1], &length);
if (strcmp(subCmd, "double") == 0) {
double d;
if (objc != 3) {
goto wrongNumArgs;
}
if (Tcl_GetDoubleFromObj(interp, objv[2], &d) != TCL_OK) {
return TCL_ERROR;
}
sprintf(buf, "%f", d);
Tcl_AppendToObj(Tcl_GetObjResult(interp), buf, -1);
} else {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"bad option \"", Tcl_GetStringFromObj(objv[1], (int *) NULL),
"\": must be double", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TestdoubleobjCmd --
*
* This procedure implements the "testdoubleobj" command. It is used
* to test the double-precision floating point Tcl object type
* implementation.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Creates and frees double objects, and also converts objects to
* have double type.
*
*----------------------------------------------------------------------
*/
static int
TestdoubleobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int varIndex, length;
double doubleValue;
char *index, *subCmd, *string;
if (objc < 3) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
return TCL_ERROR;
}
/*
* THIS FAILS IF AN OBJECT'S STRING REP HAS A NULL BYTE.
*/
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
subCmd = Tcl_GetStringFromObj(objv[1], &length);
if (strcmp(subCmd, "set") == 0) {
if (objc != 4) {
goto wrongNumArgs;
}
string = Tcl_GetStringFromObj(objv[3], &length);
if (Tcl_GetDouble(interp, string, &doubleValue) != TCL_OK) {
return TCL_ERROR;
}
/*
* If the object currently bound to the variable with index varIndex
* has ref count 1 (i.e. the object is unshared) we can modify that
* object directly. Otherwise, if RC>1 (i.e. the object is shared),
* we must create a new object to modify/set and decrement the old
* formerly-shared object's ref count. This is "copy on write".
*/
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetDoubleObj(varPtr[varIndex], doubleValue);
} else {
SetVarToObj(varIndex, Tcl_NewDoubleObj(doubleValue));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "get") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "mult10") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (Tcl_GetDoubleFromObj(interp, varPtr[varIndex],
&doubleValue) != TCL_OK) {
return TCL_ERROR;
}
if (!Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetDoubleObj(varPtr[varIndex], (doubleValue * 10.0));
} else {
SetVarToObj(varIndex, Tcl_NewDoubleObj( (doubleValue * 10.0) ));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "div10") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (Tcl_GetDoubleFromObj(interp, varPtr[varIndex],
&doubleValue) != TCL_OK) {
return TCL_ERROR;
}
if (!Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetDoubleObj(varPtr[varIndex], (doubleValue / 10.0));
} else {
SetVarToObj(varIndex, Tcl_NewDoubleObj( (doubleValue / 10.0) ));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"bad option \"", Tcl_GetStringFromObj(objv[1], (int *) NULL),
"\": must be set, get, mult10, or div10", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TestindexobjCmd --
*
* This procedure implements the "testindexobj" command. It is used to
* test the index Tcl object type implementation.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Creates and frees int objects, and also converts objects to
* have int type.
*
*----------------------------------------------------------------------
*/
static int
TestindexobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int allowAbbrev, index, index2, setError, i, dummy, result;
char **argv;
static char *tablePtr[] = {"a", "b", "check", (char *) NULL};
if ((objc == 3) && (strcmp(Tcl_GetStringFromObj(objv[1], &dummy),
"check") == 0)) {
/*
* This code checks to be sure that the results of
* Tcl_GetIndexFromObj are properly cached in the object and
* returned on subsequent lookups.
*/
Tcl_GetIndexFromObj((Tcl_Interp *) NULL, objv[1], tablePtr,
"token", 0, &index);
if (Tcl_GetIntFromObj(interp, objv[2], &index2) != TCL_OK) {
return TCL_ERROR;
}
objv[1]->internalRep.twoPtrValue.ptr2 = (VOID *) index2;
result = Tcl_GetIndexFromObj((Tcl_Interp *) NULL, objv[1],
tablePtr, "token", 0, &index);
if (result == TCL_OK) {
Tcl_SetIntObj(Tcl_GetObjResult(interp), index);
}
return result;
}
if (objc < 5) {
Tcl_AppendToObj(Tcl_GetObjResult(interp), "wrong # args", -1);
return TCL_ERROR;
}
if (Tcl_GetBooleanFromObj(interp, objv[1], &setError) != TCL_OK) {
return TCL_ERROR;
}
if (Tcl_GetBooleanFromObj(interp, objv[2], &allowAbbrev) != TCL_OK) {
return TCL_ERROR;
}
argv = (char **) ckalloc((unsigned) ((objc-3) * sizeof(char *)));
for (i = 4; i < objc; i++) {
argv[i-4] = Tcl_GetStringFromObj(objv[i], &dummy);
}
argv[objc-4] = NULL;
result = Tcl_GetIndexFromObj(setError ? interp : NULL, objv[3],
argv, "token", allowAbbrev ? 0 : TCL_EXACT, &index);
ckfree((char *) argv);
if (result == TCL_OK) {
Tcl_SetIntObj(Tcl_GetObjResult(interp), index);
}
return result;
}
/*
*----------------------------------------------------------------------
*
* TestintobjCmd --
*
* This procedure implements the "testintobj" command. It is used to
* test the int Tcl object type implementation.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Creates and frees int objects, and also converts objects to
* have int type.
*
*----------------------------------------------------------------------
*/
static int
TestintobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int intValue, varIndex, length, i;
long longValue;
char *index, *subCmd, *string;
if (objc < 3) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
return TCL_ERROR;
}
/*
* THIS FAILS IF AN OBJECT'S STRING REP HAS A NULL BYTE.
*/
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
subCmd = Tcl_GetStringFromObj(objv[1], &length);
if (strcmp(subCmd, "set") == 0) {
if (objc != 4) {
goto wrongNumArgs;
}
string = Tcl_GetStringFromObj(objv[3], &length);
if (Tcl_GetInt(interp, string, &i) != TCL_OK) {
return TCL_ERROR;
}
intValue = i;
/*
* If the object currently bound to the variable with index varIndex
* has ref count 1 (i.e. the object is unshared) we can modify that
* object directly. Otherwise, if RC>1 (i.e. the object is shared),
* we must create a new object to modify/set and decrement the old
* formerly-shared object's ref count. This is "copy on write".
*/
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetIntObj(varPtr[varIndex], intValue);
} else {
SetVarToObj(varIndex, Tcl_NewIntObj(intValue));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "set2") == 0) { /* doesn't set result */
if (objc != 4) {
goto wrongNumArgs;
}
string = Tcl_GetStringFromObj(objv[3], &length);
if (Tcl_GetInt(interp, string, &i) != TCL_OK) {
return TCL_ERROR;
}
intValue = i;
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetIntObj(varPtr[varIndex], intValue);
} else {
SetVarToObj(varIndex, Tcl_NewIntObj(intValue));
}
} else if (strcmp(subCmd, "setlong") == 0) {
if (objc != 4) {
goto wrongNumArgs;
}
string = Tcl_GetStringFromObj(objv[3], &length);
if (Tcl_GetInt(interp, string, &i) != TCL_OK) {
return TCL_ERROR;
}
intValue = i;
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetLongObj(varPtr[varIndex], intValue);
} else {
SetVarToObj(varIndex, Tcl_NewLongObj(intValue));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "setmaxlong") == 0) {
long maxLong = LONG_MAX;
if (objc != 3) {
goto wrongNumArgs;
}
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetLongObj(varPtr[varIndex], maxLong);
} else {
SetVarToObj(varIndex, Tcl_NewLongObj(maxLong));
}
} else if (strcmp(subCmd, "ismaxlong") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (Tcl_GetLongFromObj(interp, varPtr[varIndex], &longValue) != TCL_OK) {
return TCL_ERROR;
}
Tcl_AppendToObj(Tcl_GetObjResult(interp),
((longValue == LONG_MAX)? "1" : "0"), -1);
} else if (strcmp(subCmd, "get") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "inttoobigtest") == 0) {
/*
* If long ints have more bits than ints on this platform, verify
* that Tcl_GetIntFromObj returns an error if the long int held
* in an integer object's internal representation is too large
* to fit in an int.
*/
long maxLong = LONG_MAX;
if (objc != 3) {
goto wrongNumArgs;
}
if (INT_MAX == LONG_MAX) { /* int is same size as long int */
Tcl_AppendToObj(Tcl_GetObjResult(interp), "1", -1);
} else {
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetLongObj(varPtr[varIndex], maxLong);
} else {
SetVarToObj(varIndex, Tcl_NewLongObj(maxLong));
}
if (Tcl_GetIntFromObj(interp, varPtr[varIndex], &i) != TCL_OK) {
Tcl_ResetResult(interp);
Tcl_AppendToObj(Tcl_GetObjResult(interp), "1", -1);
return TCL_OK;
}
Tcl_AppendToObj(Tcl_GetObjResult(interp), "0", -1);
}
} else if (strcmp(subCmd, "mult10") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (Tcl_GetIntFromObj(interp, varPtr[varIndex],
&intValue) != TCL_OK) {
return TCL_ERROR;
}
if (!Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetIntObj(varPtr[varIndex], (intValue * 10));
} else {
SetVarToObj(varIndex, Tcl_NewIntObj( (intValue * 10) ));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "div10") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (Tcl_GetIntFromObj(interp, varPtr[varIndex],
&intValue) != TCL_OK) {
return TCL_ERROR;
}
if (!Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetIntObj(varPtr[varIndex], (intValue / 10));
} else {
SetVarToObj(varIndex, Tcl_NewIntObj( (intValue / 10) ));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"bad option \"", Tcl_GetStringFromObj(objv[1], (int *) NULL),
"\": must be set, get, mult10, or div10", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TestobjCmd --
*
* This procedure implements the "testobj" command. It is used to test
* the type-independent portions of the Tcl object type implementation.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Creates and frees objects.
*
*----------------------------------------------------------------------
*/
static int
TestobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int varIndex, destIndex, i;
char *index, *subCmd, *string;
Tcl_ObjType *targetType;
char buf[20];
int length;
if (objc < 2) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
return TCL_ERROR;
}
/*
* THIS FAILS IF AN OBJECT'S STRING REP HAS A NULL BYTE.
*/
subCmd = Tcl_GetStringFromObj(objv[1], &length);
if (strcmp(subCmd, "assign") == 0) {
if (objc != 4) {
goto wrongNumArgs;
}
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
string = Tcl_GetStringFromObj(objv[3], &length);
if (GetVariableIndex(interp, string, &destIndex) != TCL_OK) {
return TCL_ERROR;
}
SetVarToObj(destIndex, varPtr[varIndex]);
Tcl_SetObjResult(interp, varPtr[destIndex]);
} else if (strcmp(subCmd, "convert") == 0) {
char *typeName;
if (objc != 4) {
goto wrongNumArgs;
}
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
typeName = Tcl_GetStringFromObj(objv[3], &length);
if ((targetType = Tcl_GetObjType(typeName)) == NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"no type ", typeName, " found", (char *) NULL);
return TCL_ERROR;
}
if (Tcl_ConvertToType(interp, varPtr[varIndex], targetType)
!= TCL_OK) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "duplicate") == 0) {
if (objc != 4) {
goto wrongNumArgs;
}
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
string = Tcl_GetStringFromObj(objv[3], &length);
if (GetVariableIndex(interp, string, &destIndex) != TCL_OK) {
return TCL_ERROR;
}
SetVarToObj(destIndex, Tcl_DuplicateObj(varPtr[varIndex]));
Tcl_SetObjResult(interp, varPtr[destIndex]);
} else if (strcmp(subCmd, "freeallvars") == 0) {
if (objc != 2) {
goto wrongNumArgs;
}
for (i = 0; i < NUMBER_OF_OBJECT_VARS; i++) {
if (varPtr[i] != NULL) {
Tcl_DecrRefCount(varPtr[i]);
varPtr[i] = NULL;
}
}
} else if (strcmp(subCmd, "newobj") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
SetVarToObj(varIndex, Tcl_NewObj());
Tcl_SetObjResult(interp, varPtr[varIndex]);
} else if (strcmp(subCmd, "refcount") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
sprintf(buf, "%d", varPtr[varIndex]->refCount);
Tcl_AppendToObj(Tcl_GetObjResult(interp), buf, -1);
} else if (strcmp(subCmd, "type") == 0) {
if (objc != 3) {
goto wrongNumArgs;
}
index = Tcl_GetStringFromObj(objv[2], &length);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
if (varPtr[varIndex]->typePtr == NULL) { /* a string! */
Tcl_AppendToObj(Tcl_GetObjResult(interp), "string", -1);
} else {
Tcl_AppendToObj(Tcl_GetObjResult(interp),
varPtr[varIndex]->typePtr->name, -1);
}
} else if (strcmp(subCmd, "types") == 0) {
if (objc != 2) {
goto wrongNumArgs;
}
if (Tcl_AppendAllObjTypes(interp, Tcl_GetObjResult(interp)) != TCL_OK) {
return TCL_ERROR;
}
} else {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"bad option \"",
Tcl_GetStringFromObj(objv[1], (int *) NULL),
"\": must be assign, convert, duplicate, freeallvars, ",
"newobj, objcount, refcount, type, or types",
(char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TeststringobjCmd --
*
* This procedure implements the "teststringobj" command. It is used to
* test the string Tcl object type implementation.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* Creates and frees string objects, and also converts objects to
* have string type.
*
*----------------------------------------------------------------------
*/
static int
TeststringobjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int varIndex, option, i, length;
#define MAX_STRINGS 10
char *index, *string, *strings[MAX_STRINGS+1];
static char *options[] = {
"append", "appendstrings", "get", "length", "length2",
"set", "set2", "setlength", (char *) NULL
};
if (objc < 3) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
return TCL_ERROR;
}
index = Tcl_GetStringFromObj(objv[2], (int *) NULL);
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0, &option)
!= TCL_OK) {
return TCL_ERROR;
}
switch (option) {
case 0: /* append */
if (objc != 5) {
goto wrongNumArgs;
}
if (Tcl_GetIntFromObj(interp, objv[4], &length) != TCL_OK) {
return TCL_ERROR;
}
if (varPtr[varIndex] == NULL) {
SetVarToObj(varIndex, Tcl_NewObj());
}
/*
* If the object bound to variable "varIndex" is shared, we must
* "copy on write" and append to a copy of the object.
*/
if (Tcl_IsShared(varPtr[varIndex])) {
SetVarToObj(varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
}
string = Tcl_GetStringFromObj(objv[3], (int *) NULL);
Tcl_AppendToObj(varPtr[varIndex], string, length);
Tcl_SetObjResult(interp, varPtr[varIndex]);
break;
case 1: /* appendstrings */
if (objc > (MAX_STRINGS+3)) {
goto wrongNumArgs;
}
if (varPtr[varIndex] == NULL) {
SetVarToObj(varIndex, Tcl_NewObj());
}
/*
* If the object bound to variable "varIndex" is shared, we must
* "copy on write" and append to a copy of the object.
*/
if (Tcl_IsShared(varPtr[varIndex])) {
SetVarToObj(varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
}
for (i = 3; i < objc; i++) {
strings[i-3] = Tcl_GetStringFromObj(objv[i], (int *) NULL);
}
strings[objc-3] = NULL;
Tcl_AppendStringsToObj(varPtr[varIndex], strings[0], strings[1],
strings[2], strings[3], strings[4], strings[5],
strings[6], strings[7], strings[8], strings[9],
strings[10], strings[11]);
Tcl_SetObjResult(interp, varPtr[varIndex]);
break;
case 2: /* get */
if (objc != 3) {
goto wrongNumArgs;
}
if (CheckIfVarUnset(interp, varIndex)) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
break;
case 3: /* length */
if (objc != 3) {
goto wrongNumArgs;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), (varPtr[varIndex] != NULL)
? varPtr[varIndex]->length : -1);
break;
case 4: /* length2 */
if (objc != 3) {
goto wrongNumArgs;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), (varPtr[varIndex] != NULL)
? (int) varPtr[varIndex]->internalRep.longValue : -1);
break;
case 5: /* set */
if (objc != 4) {
goto wrongNumArgs;
}
/*
* If the object currently bound to the variable with index
* varIndex has ref count 1 (i.e. the object is unshared) we
* can modify that object directly. Otherwise, if RC>1 (i.e.
* the object is shared), we must create a new object to
* modify/set and decrement the old formerly-shared object's
* ref count. This is "copy on write".
*/
string = Tcl_GetStringFromObj(objv[3], &length);
if ((varPtr[varIndex] != NULL)
&& !Tcl_IsShared(varPtr[varIndex])) {
Tcl_SetStringObj(varPtr[varIndex], string, length);
} else {
SetVarToObj(varIndex, Tcl_NewStringObj(string, length));
}
Tcl_SetObjResult(interp, varPtr[varIndex]);
break;
case 6: /* set2 */
if (objc != 4) {
goto wrongNumArgs;
}
SetVarToObj(varIndex, objv[3]);
break;
case 7: /* setlength */
if (objc != 4) {
goto wrongNumArgs;
}
if (Tcl_GetIntFromObj(interp, objv[3], &length) != TCL_OK) {
return TCL_ERROR;
}
if (varPtr[varIndex] != NULL) {
Tcl_SetObjLength(varPtr[varIndex], length);
}
break;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* SetVarToObj --
*
* Utility routine to assign a Tcl_Obj* to a test variable. The
* Tcl_Obj* can be NULL.
*
* Results:
* None.
*
* Side effects:
* This routine handles ref counting details for assignment:
* i.e. the old value's ref count must be decremented (if not NULL) and
* the new one incremented (also if not NULL).
*
*----------------------------------------------------------------------
*/
static void
SetVarToObj(varIndex, objPtr)
int varIndex; /* Designates the assignment variable. */
Tcl_Obj *objPtr; /* Points to object to assign to var. */
{
if (varPtr[varIndex] != NULL) {
Tcl_DecrRefCount(varPtr[varIndex]);
}
varPtr[varIndex] = objPtr;
if (objPtr != NULL) {
Tcl_IncrRefCount(objPtr);
}
}
/*
*----------------------------------------------------------------------
*
* GetVariableIndex --
*
* Utility routine to get a test variable index from the command line.
*
* Results:
* A standard Tcl object result.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static int
GetVariableIndex(interp, string, indexPtr)
Tcl_Interp *interp; /* Interpreter for error reporting. */
char *string; /* String containing a variable index
* specified as a nonnegative number less
* than NUMBER_OF_OBJECT_VARS. */
int *indexPtr; /* Place to store converted result. */
{
int index;
if (Tcl_GetInt(interp, string, &index) != TCL_OK) {
return TCL_ERROR;
}
if (index < 0 || index >= NUMBER_OF_OBJECT_VARS) {
Tcl_ResetResult(interp);
Tcl_AppendToObj(Tcl_GetObjResult(interp), "bad variable index", -1);
return TCL_ERROR;
}
*indexPtr = index;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* CheckIfVarUnset --
*
* Utility procedure that checks whether a test variable is readable:
* i.e., that varPtr[varIndex] is non-NULL.
*
* Results:
* 1 if the test variable is unset (NULL); 0 otherwise.
*
* Side effects:
* Sets the interpreter result to an error message if the variable is
* unset (NULL).
*
*----------------------------------------------------------------------
*/
static int
CheckIfVarUnset(interp, varIndex)
Tcl_Interp *interp; /* Interpreter for error reporting. */
int varIndex; /* Index of the test variable to check. */
{
if (varPtr[varIndex] == NULL) {
char buf[100];
sprintf(buf, "variable %d is unset (NULL)", varIndex);
Tcl_ResetResult(interp);
Tcl_AppendToObj(Tcl_GetObjResult(interp), buf, -1);
return 1;
}
return 0;
}