1541 lines
42 KiB
C
1541 lines
42 KiB
C
/*
|
||
* tclTestObj.c --
|
||
*
|
||
* This file contains C command functions 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) 1995-1998 Sun Microsystems, Inc.
|
||
* Copyright (c) 1999 by Scriptics Corporation.
|
||
* Copyright (c) 2005 by Kevin B. Kenny. All rights reserved.
|
||
*
|
||
* See the file "license.terms" for information on usage and redistribution of
|
||
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||
*/
|
||
|
||
#ifndef USE_TCL_STUBS
|
||
# define USE_TCL_STUBS
|
||
#endif
|
||
#include "tclInt.h"
|
||
#include "tommath.h"
|
||
#include "tclStringRep.h"
|
||
|
||
|
||
/*
|
||
* Forward declarations for functions defined later in this file:
|
||
*/
|
||
|
||
static int CheckIfVarUnset(Tcl_Interp *interp, Tcl_Obj **varPtr, int varIndex);
|
||
static int GetVariableIndex(Tcl_Interp *interp,
|
||
const char *string, int *indexPtr);
|
||
static void SetVarToObj(Tcl_Obj **varPtr, int varIndex, Tcl_Obj *objPtr);
|
||
static int TestbignumobjCmd(ClientData dummy, Tcl_Interp *interp,
|
||
int objc, Tcl_Obj *const objv[]);
|
||
static int TestbooleanobjCmd(ClientData dummy,
|
||
Tcl_Interp *interp, int objc,
|
||
Tcl_Obj *const objv[]);
|
||
static int TestdoubleobjCmd(ClientData dummy, Tcl_Interp *interp,
|
||
int objc, Tcl_Obj *const objv[]);
|
||
static int TestindexobjCmd(ClientData dummy, Tcl_Interp *interp,
|
||
int objc, Tcl_Obj *const objv[]);
|
||
static int TestintobjCmd(ClientData dummy, Tcl_Interp *interp,
|
||
int objc, Tcl_Obj *const objv[]);
|
||
static int TestlistobjCmd(ClientData dummy, Tcl_Interp *interp,
|
||
int objc, Tcl_Obj *const objv[]);
|
||
static int TestobjCmd(ClientData dummy, Tcl_Interp *interp,
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||
int objc, Tcl_Obj *const objv[]);
|
||
static int TeststringobjCmd(ClientData dummy, Tcl_Interp *interp,
|
||
int objc, Tcl_Obj *const objv[]);
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||
|
||
#define VARPTR_KEY "TCLOBJTEST_VARPTR"
|
||
#define NUMBER_OF_OBJECT_VARS 20
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||
|
||
static void VarPtrDeleteProc(ClientData clientData, Tcl_Interp *interp)
|
||
{
|
||
int i;
|
||
Tcl_Obj **varPtr = (Tcl_Obj **) clientData;
|
||
for (i = 0; i < NUMBER_OF_OBJECT_VARS; i++) {
|
||
if (varPtr[i]) Tcl_DecrRefCount(varPtr[i]);
|
||
}
|
||
Tcl_DeleteAssocData(interp, VARPTR_KEY);
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||
ckfree(varPtr);
|
||
}
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||
|
||
static Tcl_Obj **GetVarPtr(Tcl_Interp *interp)
|
||
{
|
||
Tcl_InterpDeleteProc *proc;
|
||
|
||
return (Tcl_Obj **) Tcl_GetAssocData(interp, VARPTR_KEY, &proc);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TclObjTest_Init --
|
||
*
|
||
* This function 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 the interp's result if an error occurs.
|
||
*
|
||
* Side effects:
|
||
* Creates and registers several new testing commands.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
TclObjTest_Init(
|
||
Tcl_Interp *interp)
|
||
{
|
||
int i;
|
||
/*
|
||
* 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 *.
|
||
*/
|
||
Tcl_Obj **varPtr;
|
||
|
||
varPtr = (Tcl_Obj **) ckalloc(NUMBER_OF_OBJECT_VARS *sizeof(varPtr[0]));
|
||
if (!varPtr) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetAssocData(interp, VARPTR_KEY, VarPtrDeleteProc, varPtr);
|
||
for (i = 0; i < NUMBER_OF_OBJECT_VARS; i++) {
|
||
varPtr[i] = NULL;
|
||
}
|
||
|
||
Tcl_CreateObjCommand(interp, "testbignumobj", TestbignumobjCmd,
|
||
NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "testbooleanobj", TestbooleanobjCmd,
|
||
NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "testdoubleobj", TestdoubleobjCmd,
|
||
NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "testintobj", TestintobjCmd,
|
||
NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "testindexobj", TestindexobjCmd,
|
||
NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "testlistobj", TestlistobjCmd,
|
||
NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "testobj", TestobjCmd, NULL, NULL);
|
||
Tcl_CreateObjCommand(interp, "teststringobj", TeststringobjCmd,
|
||
NULL, NULL);
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TestbignumobjCmd --
|
||
*
|
||
* This function implements the "testbignumobj" command. It is used
|
||
* to exercise the bignum Tcl object type implementation.
|
||
*
|
||
* Results:
|
||
* Returns a standard Tcl object result.
|
||
*
|
||
* Side effects:
|
||
* Creates and frees bignum objects; converts objects to have bignum
|
||
* type.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static int
|
||
TestbignumobjCmd(
|
||
ClientData clientData, /* unused */
|
||
Tcl_Interp *interp, /* Tcl interpreter */
|
||
int objc, /* Argument count */
|
||
Tcl_Obj *const objv[]) /* Argument vector */
|
||
{
|
||
const char *const subcmds[] = {
|
||
"set", "get", "mult10", "div10", "iseven", "radixsize", NULL
|
||
};
|
||
enum options {
|
||
BIGNUM_SET, BIGNUM_GET, BIGNUM_MULT10, BIGNUM_DIV10, BIGNUM_ISEVEN,
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||
BIGNUM_RADIXSIZE
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||
};
|
||
int index, varIndex;
|
||
const char *string;
|
||
mp_int bignumValue;
|
||
Tcl_Obj **varPtr;
|
||
|
||
if (objc < 3) {
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||
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetIndexFromObj(interp, objv[1], subcmds, "option", 0,
|
||
&index) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
string = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, string, &varIndex) != TCL_OK) {
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||
return TCL_ERROR;
|
||
}
|
||
varPtr = GetVarPtr(interp);
|
||
|
||
switch (index) {
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||
case BIGNUM_SET:
|
||
if (objc != 4) {
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||
Tcl_WrongNumArgs(interp, 2, objv, "var value");
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||
return TCL_ERROR;
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
if (mp_init(&bignumValue) != MP_OKAY) {
|
||
Tcl_SetObjResult(interp,
|
||
Tcl_NewStringObj("error in mp_init", -1));
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return TCL_ERROR;
|
||
}
|
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if (mp_read_radix(&bignumValue, string, 10) != MP_OKAY) {
|
||
mp_clear(&bignumValue);
|
||
Tcl_SetObjResult(interp,
|
||
Tcl_NewStringObj("error in mp_read_radix", -1));
|
||
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_SetBignumObj(varPtr[varIndex], &bignumValue);
|
||
} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewBignumObj(&bignumValue));
|
||
}
|
||
break;
|
||
|
||
case BIGNUM_GET:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "varIndex");
|
||
return TCL_ERROR;
|
||
}
|
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if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
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break;
|
||
|
||
case BIGNUM_MULT10:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "varIndex");
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetBignumFromObj(interp, varPtr[varIndex],
|
||
&bignumValue) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (mp_mul_d(&bignumValue, 10, &bignumValue) != MP_OKAY) {
|
||
mp_clear(&bignumValue);
|
||
Tcl_SetObjResult(interp,
|
||
Tcl_NewStringObj("error in mp_mul_d", -1));
|
||
return TCL_ERROR;
|
||
}
|
||
if (!Tcl_IsShared(varPtr[varIndex])) {
|
||
Tcl_SetBignumObj(varPtr[varIndex], &bignumValue);
|
||
} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewBignumObj(&bignumValue));
|
||
}
|
||
break;
|
||
|
||
case BIGNUM_DIV10:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "varIndex");
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetBignumFromObj(interp, varPtr[varIndex],
|
||
&bignumValue) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (mp_div_d(&bignumValue, 10, &bignumValue, NULL) != MP_OKAY) {
|
||
mp_clear(&bignumValue);
|
||
Tcl_SetObjResult(interp,
|
||
Tcl_NewStringObj("error in mp_div_d", -1));
|
||
return TCL_ERROR;
|
||
}
|
||
if (!Tcl_IsShared(varPtr[varIndex])) {
|
||
Tcl_SetBignumObj(varPtr[varIndex], &bignumValue);
|
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} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewBignumObj(&bignumValue));
|
||
}
|
||
break;
|
||
|
||
case BIGNUM_ISEVEN:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "varIndex");
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetBignumFromObj(interp, varPtr[varIndex],
|
||
&bignumValue) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (mp_mod_2d(&bignumValue, 1, &bignumValue) != MP_OKAY) {
|
||
mp_clear(&bignumValue);
|
||
Tcl_SetObjResult(interp,
|
||
Tcl_NewStringObj("error in mp_mod_2d", -1));
|
||
return TCL_ERROR;
|
||
}
|
||
if (!Tcl_IsShared(varPtr[varIndex])) {
|
||
Tcl_SetIntObj(varPtr[varIndex], mp_iszero(&bignumValue));
|
||
} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewIntObj(mp_iszero(&bignumValue)));
|
||
}
|
||
mp_clear(&bignumValue);
|
||
break;
|
||
|
||
case BIGNUM_RADIXSIZE:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "varIndex");
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetBignumFromObj(interp, varPtr[varIndex],
|
||
&bignumValue) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (mp_radix_size(&bignumValue, 10, &index) != MP_OKAY) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (!Tcl_IsShared(varPtr[varIndex])) {
|
||
Tcl_SetIntObj(varPtr[varIndex], index);
|
||
} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewIntObj(index));
|
||
}
|
||
mp_clear(&bignumValue);
|
||
break;
|
||
}
|
||
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TestbooleanobjCmd --
|
||
*
|
||
* This function 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 clientData, /* Not used. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj *const objv[]) /* Argument objects. */
|
||
{
|
||
int varIndex, boolValue;
|
||
const char *index, *subCmd;
|
||
Tcl_Obj **varPtr;
|
||
|
||
if (objc < 3) {
|
||
wrongNumArgs:
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
varPtr = GetVarPtr(interp);
|
||
|
||
subCmd = Tcl_GetString(objv[1]);
|
||
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(varPtr, varIndex, Tcl_NewBooleanObj(boolValue));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "get") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "not") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,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(varPtr, varIndex, Tcl_NewBooleanObj(!boolValue));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else {
|
||
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
|
||
"bad option \"", Tcl_GetString(objv[1]),
|
||
"\": must be set, get, or not", NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TestdoubleobjCmd --
|
||
*
|
||
* This function 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 clientData, /* Not used. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj *const objv[]) /* Argument objects. */
|
||
{
|
||
int varIndex;
|
||
double doubleValue;
|
||
const char *index, *subCmd, *string;
|
||
Tcl_Obj **varPtr;
|
||
|
||
if (objc < 3) {
|
||
wrongNumArgs:
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
varPtr = GetVarPtr(interp);
|
||
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
subCmd = Tcl_GetString(objv[1]);
|
||
if (strcmp(subCmd, "set") == 0) {
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
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(varPtr, varIndex, Tcl_NewDoubleObj(doubleValue));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "get") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "mult10") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,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(varPtr, 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, varPtr,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(varPtr, varIndex, Tcl_NewDoubleObj(doubleValue / 10.0));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else {
|
||
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
|
||
"bad option \"", Tcl_GetString(objv[1]),
|
||
"\": must be set, get, mult10, or div10", NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TestindexobjCmd --
|
||
*
|
||
* This function 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 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, result;
|
||
const char **argv;
|
||
static const char *const tablePtr[] = {"a", "b", "check", NULL};
|
||
/*
|
||
* Keep this structure declaration in sync with tclIndexObj.c
|
||
*/
|
||
struct IndexRep {
|
||
void *tablePtr; /* Pointer to the table of strings. */
|
||
int offset; /* Offset between table entries. */
|
||
int index; /* Selected index into table. */
|
||
};
|
||
struct IndexRep *indexRep;
|
||
|
||
if ((objc == 3) && (strcmp(Tcl_GetString(objv[1]),
|
||
"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.
|
||
*/
|
||
|
||
if (Tcl_GetIntFromObj(interp, objv[2], &index2) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
Tcl_GetIndexFromObj(NULL, objv[1], tablePtr, "token", 0, &index);
|
||
indexRep = objv[1]->internalRep.twoPtrValue.ptr1;
|
||
indexRep->index = index2;
|
||
result = Tcl_GetIndexFromObj(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 = ckalloc((objc-3) * sizeof(char *));
|
||
for (i = 4; i < objc; i++) {
|
||
argv[i-4] = Tcl_GetString(objv[i]);
|
||
}
|
||
argv[objc-4] = NULL;
|
||
|
||
/*
|
||
* Tcl_GetIndexFromObj assumes that the table is statically-allocated so
|
||
* that its address is different for each index object. If we accidently
|
||
* allocate a table at the same address as that cached in the index
|
||
* object, clear out the object's cached state.
|
||
*/
|
||
|
||
if (objv[3]->typePtr != NULL
|
||
&& !strcmp("index", objv[3]->typePtr->name)) {
|
||
indexRep = objv[3]->internalRep.twoPtrValue.ptr1;
|
||
if (indexRep->tablePtr == (void *) argv) {
|
||
TclFreeIntRep(objv[3]);
|
||
}
|
||
}
|
||
|
||
result = Tcl_GetIndexFromObj((setError? interp : NULL), objv[3],
|
||
argv, "token", (allowAbbrev? 0 : TCL_EXACT), &index);
|
||
ckfree(argv);
|
||
if (result == TCL_OK) {
|
||
Tcl_SetIntObj(Tcl_GetObjResult(interp), index);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TestintobjCmd --
|
||
*
|
||
* This function 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 clientData, /* Not used. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj *const objv[]) /* Argument objects. */
|
||
{
|
||
int intValue, varIndex, i;
|
||
long longValue;
|
||
const char *index, *subCmd, *string;
|
||
Tcl_Obj **varPtr;
|
||
|
||
if (objc < 3) {
|
||
wrongNumArgs:
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
varPtr = GetVarPtr(interp);
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
subCmd = Tcl_GetString(objv[1]);
|
||
if (strcmp(subCmd, "set") == 0) {
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
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(varPtr, 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_GetString(objv[3]);
|
||
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(varPtr, varIndex, Tcl_NewIntObj(intValue));
|
||
}
|
||
} else if (strcmp(subCmd, "setlong") == 0) {
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
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(varPtr, 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(varPtr, varIndex, Tcl_NewLongObj(maxLong));
|
||
}
|
||
} else if (strcmp(subCmd, "ismaxlong") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,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, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "get2") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
string = Tcl_GetString(varPtr[varIndex]);
|
||
Tcl_AppendToObj(Tcl_GetObjResult(interp), string, -1);
|
||
} 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.
|
||
*/
|
||
|
||
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], LONG_MAX);
|
||
} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewLongObj(LONG_MAX));
|
||
}
|
||
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);
|
||
#endif
|
||
} else if (strcmp(subCmd, "mult10") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,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(varPtr, varIndex, Tcl_NewIntObj(intValue * 10));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "div10") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,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(varPtr, varIndex, Tcl_NewIntObj(intValue / 10));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else {
|
||
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
|
||
"bad option \"", Tcl_GetString(objv[1]),
|
||
"\": must be set, get, get2, mult10, or div10", NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*-----------------------------------------------------------------------------
|
||
*
|
||
* TestlistobjCmd --
|
||
*
|
||
* This function implements the 'testlistobj' command. It is used to
|
||
* test a few possible corner cases in list object manipulation from
|
||
* C code that cannot occur at the Tcl level.
|
||
*
|
||
* Results:
|
||
* A standard Tcl object result.
|
||
*
|
||
* Side effects:
|
||
* Creates, manipulates and frees list objects.
|
||
*
|
||
*-----------------------------------------------------------------------------
|
||
*/
|
||
|
||
static int
|
||
TestlistobjCmd(
|
||
ClientData clientData, /* Not used */
|
||
Tcl_Interp *interp, /* Tcl interpreter */
|
||
int objc, /* Number of arguments */
|
||
Tcl_Obj *const objv[]) /* Argument objects */
|
||
{
|
||
/* Subcommands supported by this command */
|
||
const char* subcommands[] = {
|
||
"set",
|
||
"get",
|
||
"replace"
|
||
};
|
||
enum listobjCmdIndex {
|
||
LISTOBJ_SET,
|
||
LISTOBJ_GET,
|
||
LISTOBJ_REPLACE
|
||
};
|
||
|
||
const char* index; /* Argument giving the variable number */
|
||
int varIndex; /* Variable number converted to binary */
|
||
int cmdIndex; /* Ordinal number of the subcommand */
|
||
int first; /* First index in the list */
|
||
int count; /* Count of elements in a list */
|
||
Tcl_Obj **varPtr;
|
||
|
||
if (objc < 3) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg...?");
|
||
return TCL_ERROR;
|
||
}
|
||
varPtr = GetVarPtr(interp);
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetIndexFromObj(interp, objv[1], subcommands, "command",
|
||
0, &cmdIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
switch(cmdIndex) {
|
||
case LISTOBJ_SET:
|
||
if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) {
|
||
Tcl_SetListObj(varPtr[varIndex], objc-3, objv+3);
|
||
} else {
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewListObj(objc-3, objv+3));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
break;
|
||
|
||
case LISTOBJ_GET:
|
||
if (objc != 3) {
|
||
Tcl_WrongNumArgs(interp, 2, objv, "varIndex");
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
break;
|
||
|
||
case LISTOBJ_REPLACE:
|
||
if (objc < 5) {
|
||
Tcl_WrongNumArgs(interp, 2, objv,
|
||
"varIndex start count ?element...?");
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_GetIntFromObj(interp, objv[3], &first) != TCL_OK
|
||
|| Tcl_GetIntFromObj(interp, objv[4], &count) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tcl_IsShared(varPtr[varIndex])) {
|
||
SetVarToObj(varPtr, varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
|
||
}
|
||
Tcl_ResetResult(interp);
|
||
return Tcl_ListObjReplace(interp, varPtr[varIndex], first, count,
|
||
objc-5, objv+5);
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TestobjCmd --
|
||
*
|
||
* This function 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 clientData, /* Not used. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj *const objv[]) /* Argument objects. */
|
||
{
|
||
int varIndex, destIndex, i;
|
||
const char *index, *subCmd, *string;
|
||
const Tcl_ObjType *targetType;
|
||
Tcl_Obj **varPtr;
|
||
|
||
if (objc < 2) {
|
||
wrongNumArgs:
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
varPtr = GetVarPtr(interp);
|
||
subCmd = Tcl_GetString(objv[1]);
|
||
if (strcmp(subCmd, "assign") == 0) {
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
if (GetVariableIndex(interp, string, &destIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
SetVarToObj(varPtr, destIndex, varPtr[varIndex]);
|
||
Tcl_SetObjResult(interp, varPtr[destIndex]);
|
||
} else if (strcmp(subCmd, "bug3598580") == 0) {
|
||
Tcl_Obj *listObjPtr, *elemObjPtr;
|
||
if (objc != 2) {
|
||
goto wrongNumArgs;
|
||
}
|
||
elemObjPtr = Tcl_NewIntObj(123);
|
||
listObjPtr = Tcl_NewListObj(1, &elemObjPtr);
|
||
/* Replace the single list element through itself, nonsense but legal. */
|
||
Tcl_ListObjReplace(interp, listObjPtr, 0, 1, 1, &elemObjPtr);
|
||
Tcl_SetObjResult(interp, listObjPtr);
|
||
return TCL_OK;
|
||
} else if (strcmp(subCmd, "convert") == 0) {
|
||
const char *typeName;
|
||
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
typeName = Tcl_GetString(objv[3]);
|
||
if ((targetType = Tcl_GetObjType(typeName)) == NULL) {
|
||
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
|
||
"no type ", typeName, " found", 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_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
if (GetVariableIndex(interp, string, &destIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
SetVarToObj(varPtr, 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, "invalidateStringRep") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_InvalidateStringRep(varPtr[varIndex]);
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "newobj") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
SetVarToObj(varPtr, varIndex, Tcl_NewObj());
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
} else if (strcmp(subCmd, "objtype") == 0) {
|
||
const char *typeName;
|
||
|
||
/*
|
||
* Return an object containing the name of the argument's type of
|
||
* internal rep. If none exists, return "none".
|
||
*/
|
||
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (objv[2]->typePtr == NULL) {
|
||
Tcl_SetObjResult(interp, Tcl_NewStringObj("none", -1));
|
||
} else {
|
||
typeName = objv[2]->typePtr->name;
|
||
Tcl_SetObjResult(interp, Tcl_NewStringObj(typeName, -1));
|
||
}
|
||
} else if (strcmp(subCmd, "refcount") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetObjResult(interp, Tcl_NewIntObj(varPtr[varIndex]->refCount));
|
||
} else if (strcmp(subCmd, "type") == 0) {
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
index = Tcl_GetString(objv[2]);
|
||
if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr,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_GetString(objv[1]),
|
||
"\": must be assign, convert, duplicate, freeallvars, "
|
||
"newobj, objcount, objtype, refcount, type, or types", NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TeststringobjCmd --
|
||
*
|
||
* This function 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 clientData, /* Not used. */
|
||
Tcl_Interp *interp, /* Current interpreter. */
|
||
int objc, /* Number of arguments. */
|
||
Tcl_Obj *const objv[]) /* Argument objects. */
|
||
{
|
||
Tcl_UniChar *unicode;
|
||
int varIndex, option, i, length;
|
||
#define MAX_STRINGS 11
|
||
const char *index, *string, *strings[MAX_STRINGS+1];
|
||
String *strPtr;
|
||
Tcl_Obj **varPtr;
|
||
static const char *const options[] = {
|
||
"append", "appendstrings", "get", "get2", "length", "length2",
|
||
"set", "set2", "setlength", "maxchars", "getunicode",
|
||
"appendself", "appendself2", NULL
|
||
};
|
||
|
||
if (objc < 3) {
|
||
wrongNumArgs:
|
||
Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
varPtr = GetVarPtr(interp);
|
||
index = Tcl_GetString(objv[2]);
|
||
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(varPtr, 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(varPtr, varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
|
||
}
|
||
string = Tcl_GetString(objv[3]);
|
||
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(varPtr, 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(varPtr, varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
|
||
}
|
||
for (i = 3; i < objc; i++) {
|
||
strings[i-3] = Tcl_GetString(objv[i]);
|
||
}
|
||
for ( ; i < 12 + 3; i++) {
|
||
strings[i - 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, varPtr,varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
break;
|
||
case 3: /* get2 */
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (CheckIfVarUnset(interp, varPtr, varIndex)) {
|
||
return TCL_ERROR;
|
||
}
|
||
string = Tcl_GetString(varPtr[varIndex]);
|
||
Tcl_AppendToObj(Tcl_GetObjResult(interp), string, -1);
|
||
break;
|
||
case 4: /* length */
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
Tcl_SetIntObj(Tcl_GetObjResult(interp), (varPtr[varIndex] != NULL)
|
||
? varPtr[varIndex]->length : -1);
|
||
break;
|
||
case 5: /* length2 */
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (varPtr[varIndex] != NULL) {
|
||
Tcl_ConvertToType(NULL, varPtr[varIndex],
|
||
Tcl_GetObjType("string"));
|
||
strPtr = varPtr[varIndex]->internalRep.twoPtrValue.ptr1;
|
||
length = (int) strPtr->allocated;
|
||
} else {
|
||
length = -1;
|
||
}
|
||
Tcl_SetIntObj(Tcl_GetObjResult(interp), length);
|
||
break;
|
||
case 6: /* 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(varPtr, varIndex, Tcl_NewStringObj(string, length));
|
||
}
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
break;
|
||
case 7: /* set2 */
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
SetVarToObj(varPtr, varIndex, objv[3]);
|
||
break;
|
||
case 8: /* 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;
|
||
case 9: /* maxchars */
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (varPtr[varIndex] != NULL) {
|
||
Tcl_ConvertToType(NULL, varPtr[varIndex],
|
||
Tcl_GetObjType("string"));
|
||
strPtr = varPtr[varIndex]->internalRep.twoPtrValue.ptr1;
|
||
length = strPtr->maxChars;
|
||
} else {
|
||
length = -1;
|
||
}
|
||
Tcl_SetIntObj(Tcl_GetObjResult(interp), length);
|
||
break;
|
||
case 10: /* getunicode */
|
||
if (objc != 3) {
|
||
goto wrongNumArgs;
|
||
}
|
||
Tcl_GetUnicodeFromObj(varPtr[varIndex], NULL);
|
||
break;
|
||
case 11: /* appendself */
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (varPtr[varIndex] == NULL) {
|
||
SetVarToObj(varPtr, 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(varPtr, varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
|
||
}
|
||
|
||
string = Tcl_GetStringFromObj(varPtr[varIndex], &length);
|
||
|
||
if (Tcl_GetIntFromObj(interp, objv[3], &i) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if ((i < 0) || (i > length)) {
|
||
Tcl_SetObjResult(interp, Tcl_NewStringObj(
|
||
"index value out of range", -1));
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
Tcl_AppendToObj(varPtr[varIndex], string + i, length - i);
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
break;
|
||
case 12: /* appendself2 */
|
||
if (objc != 4) {
|
||
goto wrongNumArgs;
|
||
}
|
||
if (varPtr[varIndex] == NULL) {
|
||
SetVarToObj(varPtr, 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(varPtr, varIndex, Tcl_DuplicateObj(varPtr[varIndex]));
|
||
}
|
||
|
||
unicode = Tcl_GetUnicodeFromObj(varPtr[varIndex], &length);
|
||
|
||
if (Tcl_GetIntFromObj(interp, objv[3], &i) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
if ((i < 0) || (i > length)) {
|
||
Tcl_SetObjResult(interp, Tcl_NewStringObj(
|
||
"index value out of range", -1));
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
Tcl_AppendUnicodeToObj(varPtr[varIndex], unicode + i, length - i);
|
||
Tcl_SetObjResult(interp, varPtr[varIndex]);
|
||
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(
|
||
Tcl_Obj **varPtr,
|
||
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(
|
||
Tcl_Interp *interp, /* Interpreter for error reporting. */
|
||
const 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 function 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(
|
||
Tcl_Interp *interp, /* Interpreter for error reporting. */
|
||
Tcl_Obj ** varPtr,
|
||
int varIndex) /* Index of the test variable to check. */
|
||
{
|
||
if (varPtr[varIndex] == NULL) {
|
||
char buf[32 + TCL_INTEGER_SPACE];
|
||
|
||
sprintf(buf, "variable %d is unset (NULL)", varIndex);
|
||
Tcl_ResetResult(interp);
|
||
Tcl_AppendToObj(Tcl_GetObjResult(interp), buf, -1);
|
||
return 1;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* Local Variables:
|
||
* mode: c
|
||
* c-basic-offset: 4
|
||
* fill-column: 78
|
||
* End:
|
||
*/
|