[25] | 1 | /* |
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| 2 | * tclTestObj.c -- |
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| 3 | * |
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| 4 | * This file contains C command functions for the additional Tcl commands |
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| 5 | * that are used for testing implementations of the Tcl object types. |
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| 6 | * These commands are not normally included in Tcl applications; they're |
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| 7 | * only used for testing. |
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| 8 | * |
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| 9 | * Copyright (c) 1995-1998 Sun Microsystems, Inc. |
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| 10 | * Copyright (c) 1999 by Scriptics Corporation. |
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| 11 | * Copyright (c) 2005 by Kevin B. Kenny. All rights reserved. |
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| 12 | * |
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| 13 | * See the file "license.terms" for information on usage and redistribution of |
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| 14 | * this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 15 | * |
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| 16 | * RCS: @(#) $Id: tclTestObj.c,v 1.21 2007/12/13 15:23:20 dgp Exp $ |
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| 17 | */ |
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| 18 | |
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| 19 | #include "tclInt.h" |
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| 20 | #include "tommath.h" |
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| 21 | |
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| 22 | /* |
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| 23 | * An array of Tcl_Obj pointers used in the commands that operate on or get |
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| 24 | * the values of Tcl object-valued variables. varPtr[i] is the i-th variable's |
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| 25 | * Tcl_Obj *. |
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| 26 | */ |
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| 27 | |
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| 28 | #define NUMBER_OF_OBJECT_VARS 20 |
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| 29 | static Tcl_Obj *varPtr[NUMBER_OF_OBJECT_VARS]; |
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| 30 | |
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| 31 | /* |
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| 32 | * Forward declarations for functions defined later in this file: |
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| 33 | */ |
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| 34 | |
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| 35 | static int CheckIfVarUnset(Tcl_Interp *interp, int varIndex); |
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| 36 | static int GetVariableIndex(Tcl_Interp *interp, |
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| 37 | char *string, int *indexPtr); |
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| 38 | static void SetVarToObj(int varIndex, Tcl_Obj *objPtr); |
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| 39 | int TclObjTest_Init(Tcl_Interp *interp); |
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| 40 | static int TestbignumobjCmd(ClientData dummy, Tcl_Interp *interp, |
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| 41 | int objc, Tcl_Obj *const objv[]); |
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| 42 | static int TestbooleanobjCmd(ClientData dummy, |
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| 43 | Tcl_Interp *interp, int objc, |
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| 44 | Tcl_Obj *const objv[]); |
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| 45 | static int TestdoubleobjCmd(ClientData dummy, Tcl_Interp *interp, |
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| 46 | int objc, Tcl_Obj *const objv[]); |
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| 47 | static int TestindexobjCmd(ClientData dummy, Tcl_Interp *interp, |
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| 48 | int objc, Tcl_Obj *const objv[]); |
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| 49 | static int TestintobjCmd(ClientData dummy, Tcl_Interp *interp, |
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| 50 | int objc, Tcl_Obj *const objv[]); |
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| 51 | static int TestobjCmd(ClientData dummy, Tcl_Interp *interp, |
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| 52 | int objc, Tcl_Obj *const objv[]); |
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| 53 | static int TeststringobjCmd(ClientData dummy, Tcl_Interp *interp, |
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| 54 | int objc, Tcl_Obj *const objv[]); |
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| 55 | |
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| 56 | typedef struct TestString { |
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| 57 | int numChars; |
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| 58 | size_t allocated; |
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| 59 | size_t uallocated; |
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| 60 | Tcl_UniChar unicode[2]; |
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| 61 | } TestString; |
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| 62 | |
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| 63 | /* |
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| 64 | *---------------------------------------------------------------------- |
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| 65 | * |
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| 66 | * TclObjTest_Init -- |
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| 67 | * |
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| 68 | * This function creates additional commands that are used to test the |
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| 69 | * Tcl object support. |
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| 70 | * |
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| 71 | * Results: |
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| 72 | * Returns a standard Tcl completion code, and leaves an error |
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| 73 | * message in the interp's result if an error occurs. |
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| 74 | * |
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| 75 | * Side effects: |
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| 76 | * Creates and registers several new testing commands. |
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| 77 | * |
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| 78 | *---------------------------------------------------------------------- |
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| 79 | */ |
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| 80 | |
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| 81 | int |
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| 82 | TclObjTest_Init( |
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| 83 | Tcl_Interp *interp) |
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| 84 | { |
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| 85 | register int i; |
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| 86 | |
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| 87 | for (i = 0; i < NUMBER_OF_OBJECT_VARS; i++) { |
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| 88 | varPtr[i] = NULL; |
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| 89 | } |
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| 90 | |
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| 91 | Tcl_CreateObjCommand(interp, "testbignumobj", TestbignumobjCmd, |
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| 92 | (ClientData) 0, NULL); |
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| 93 | Tcl_CreateObjCommand(interp, "testbooleanobj", TestbooleanobjCmd, |
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| 94 | (ClientData) 0, NULL); |
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| 95 | Tcl_CreateObjCommand(interp, "testdoubleobj", TestdoubleobjCmd, |
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| 96 | (ClientData) 0, NULL); |
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| 97 | Tcl_CreateObjCommand(interp, "testintobj", TestintobjCmd, |
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| 98 | (ClientData) 0, NULL); |
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| 99 | Tcl_CreateObjCommand(interp, "testindexobj", TestindexobjCmd, |
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| 100 | (ClientData) 0, NULL); |
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| 101 | Tcl_CreateObjCommand(interp, "testobj", TestobjCmd, (ClientData) 0, NULL); |
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| 102 | Tcl_CreateObjCommand(interp, "teststringobj", TeststringobjCmd, |
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| 103 | (ClientData) 0, NULL); |
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| 104 | return TCL_OK; |
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| 105 | } |
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| 106 | |
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| 107 | /* |
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| 108 | *---------------------------------------------------------------------- |
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| 109 | * |
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| 110 | * TestbignumobjCmd -- |
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| 111 | * |
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| 112 | * This function implmenets the "testbignumobj" command. It is used |
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| 113 | * to exercise the bignum Tcl object type implementation. |
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| 114 | * |
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| 115 | * Results: |
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| 116 | * Returns a standard Tcl object result. |
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| 117 | * |
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| 118 | * Side effects: |
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| 119 | * Creates and frees bignum objects; converts objects to have bignum |
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| 120 | * type. |
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| 121 | * |
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| 122 | *---------------------------------------------------------------------- |
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| 123 | */ |
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| 124 | |
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| 125 | static int |
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| 126 | TestbignumobjCmd( |
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| 127 | ClientData clientData, /* unused */ |
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| 128 | Tcl_Interp *interp, /* Tcl interpreter */ |
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| 129 | int objc, /* Argument count */ |
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| 130 | Tcl_Obj *const objv[]) /* Argument vector */ |
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| 131 | { |
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| 132 | const char * subcmds[] = { |
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| 133 | "set", "get", "mult10", "div10", NULL |
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| 134 | }; |
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| 135 | enum options { |
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| 136 | BIGNUM_SET, BIGNUM_GET, BIGNUM_MULT10, BIGNUM_DIV10 |
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| 137 | }; |
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| 138 | |
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| 139 | int index, varIndex; |
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| 140 | char* string; |
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| 141 | mp_int bignumValue, newValue; |
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| 142 | |
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| 143 | if (objc < 3) { |
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| 144 | Tcl_WrongNumArgs(interp, 1, objv, "option ?arg?..."); |
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| 145 | return TCL_ERROR; |
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| 146 | } |
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| 147 | if (Tcl_GetIndexFromObj(interp, objv[1], subcmds, "option", 0, |
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| 148 | &index) != TCL_OK) { |
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| 149 | return TCL_ERROR; |
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| 150 | } |
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| 151 | string = Tcl_GetString(objv[2]); |
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| 152 | if (GetVariableIndex(interp, string, &varIndex) != TCL_OK) { |
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| 153 | return TCL_ERROR; |
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| 154 | } |
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| 155 | |
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| 156 | switch (index) { |
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| 157 | case BIGNUM_SET: |
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| 158 | if (objc != 4) { |
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| 159 | Tcl_WrongNumArgs(interp, 2, objv, "var value"); |
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| 160 | return TCL_ERROR; |
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| 161 | } |
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| 162 | string = Tcl_GetString(objv[3]); |
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| 163 | if (mp_init(&bignumValue) != MP_OKAY) { |
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| 164 | Tcl_SetObjResult(interp, |
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| 165 | Tcl_NewStringObj("error in mp_init", -1)); |
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| 166 | return TCL_ERROR; |
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| 167 | } |
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| 168 | if (mp_read_radix(&bignumValue, string, 10) != MP_OKAY) { |
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| 169 | mp_clear(&bignumValue); |
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| 170 | Tcl_SetObjResult(interp, |
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| 171 | Tcl_NewStringObj("error in mp_read_radix", -1)); |
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| 172 | return TCL_ERROR; |
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| 173 | } |
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| 174 | |
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| 175 | /* |
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| 176 | * If the object currently bound to the variable with index varIndex |
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| 177 | * has ref count 1 (i.e. the object is unshared) we can modify that |
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| 178 | * object directly. Otherwise, if RC>1 (i.e. the object is shared), |
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| 179 | * we must create a new object to modify/set and decrement the old |
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| 180 | * formerly-shared object's ref count. This is "copy on write". |
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| 181 | */ |
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| 182 | |
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| 183 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
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| 184 | Tcl_SetBignumObj(varPtr[varIndex], &bignumValue); |
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| 185 | } else { |
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| 186 | SetVarToObj(varIndex, Tcl_NewBignumObj(&bignumValue)); |
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| 187 | } |
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| 188 | break; |
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| 189 | |
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| 190 | case BIGNUM_GET: |
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| 191 | if (objc != 3) { |
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| 192 | Tcl_WrongNumArgs(interp, 2, objv, "varIndex"); |
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| 193 | return TCL_ERROR; |
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| 194 | } |
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| 195 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 196 | return TCL_ERROR; |
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| 197 | } |
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| 198 | break; |
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| 199 | |
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| 200 | case BIGNUM_MULT10: |
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| 201 | if (objc != 3) { |
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| 202 | Tcl_WrongNumArgs(interp, 2, objv, "varIndex"); |
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| 203 | return TCL_ERROR; |
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| 204 | } |
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| 205 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 206 | return TCL_ERROR; |
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| 207 | } |
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| 208 | if (Tcl_GetBignumFromObj(interp, varPtr[varIndex], |
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| 209 | &bignumValue) != TCL_OK) { |
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| 210 | return TCL_ERROR; |
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| 211 | } |
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| 212 | if (mp_init(&newValue) != MP_OKAY |
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| 213 | || (mp_mul_d(&bignumValue, 10, &newValue) != MP_OKAY)) { |
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| 214 | mp_clear(&bignumValue); |
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| 215 | mp_clear(&newValue); |
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| 216 | Tcl_SetObjResult(interp, |
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| 217 | Tcl_NewStringObj("error in mp_mul_d", -1)); |
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| 218 | return TCL_ERROR; |
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| 219 | } |
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| 220 | mp_clear(&bignumValue); |
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| 221 | if (!Tcl_IsShared(varPtr[varIndex])) { |
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| 222 | Tcl_SetBignumObj(varPtr[varIndex], &newValue); |
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| 223 | } else { |
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| 224 | SetVarToObj(varIndex, Tcl_NewBignumObj(&newValue)); |
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| 225 | } |
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| 226 | break; |
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| 227 | |
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| 228 | case BIGNUM_DIV10: |
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| 229 | if (objc != 3) { |
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| 230 | Tcl_WrongNumArgs(interp, 2, objv, "varIndex"); |
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| 231 | return TCL_ERROR; |
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| 232 | } |
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| 233 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 234 | return TCL_ERROR; |
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| 235 | } |
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| 236 | if (Tcl_GetBignumFromObj(interp, varPtr[varIndex], |
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| 237 | &bignumValue) != TCL_OK) { |
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| 238 | return TCL_ERROR; |
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| 239 | } |
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| 240 | if (mp_init(&newValue) != MP_OKAY |
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| 241 | || (mp_div_d(&bignumValue, 10, &newValue, NULL) != MP_OKAY)) { |
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| 242 | mp_clear(&bignumValue); |
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| 243 | mp_clear(&newValue); |
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| 244 | Tcl_SetObjResult(interp, |
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| 245 | Tcl_NewStringObj("error in mp_div_d", -1)); |
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| 246 | return TCL_ERROR; |
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| 247 | } |
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| 248 | mp_clear(&bignumValue); |
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| 249 | if (!Tcl_IsShared(varPtr[varIndex])) { |
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| 250 | Tcl_SetBignumObj(varPtr[varIndex], &newValue); |
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| 251 | } else { |
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| 252 | SetVarToObj(varIndex, Tcl_NewBignumObj(&newValue)); |
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| 253 | } |
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| 254 | } |
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| 255 | |
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| 256 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 257 | return TCL_OK; |
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| 258 | } |
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| 259 | |
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| 260 | /* |
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| 261 | *---------------------------------------------------------------------- |
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| 262 | * |
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| 263 | * TestbooleanobjCmd -- |
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| 264 | * |
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| 265 | * This function implements the "testbooleanobj" command. It is used to |
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| 266 | * test the boolean Tcl object type implementation. |
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| 267 | * |
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| 268 | * Results: |
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| 269 | * A standard Tcl object result. |
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| 270 | * |
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| 271 | * Side effects: |
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| 272 | * Creates and frees boolean objects, and also converts objects to |
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| 273 | * have boolean type. |
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| 274 | * |
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| 275 | *---------------------------------------------------------------------- |
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| 276 | */ |
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| 277 | |
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| 278 | static int |
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| 279 | TestbooleanobjCmd( |
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| 280 | ClientData clientData, /* Not used. */ |
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| 281 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 282 | int objc, /* Number of arguments. */ |
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| 283 | Tcl_Obj *const objv[]) /* Argument objects. */ |
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| 284 | { |
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| 285 | int varIndex, boolValue; |
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| 286 | char *index, *subCmd; |
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| 287 | |
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| 288 | if (objc < 3) { |
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| 289 | wrongNumArgs: |
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| 290 | Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?"); |
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| 291 | return TCL_ERROR; |
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| 292 | } |
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| 293 | |
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| 294 | index = Tcl_GetString(objv[2]); |
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| 295 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
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| 296 | return TCL_ERROR; |
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| 297 | } |
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| 298 | |
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| 299 | subCmd = Tcl_GetString(objv[1]); |
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| 300 | if (strcmp(subCmd, "set") == 0) { |
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| 301 | if (objc != 4) { |
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| 302 | goto wrongNumArgs; |
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| 303 | } |
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| 304 | if (Tcl_GetBooleanFromObj(interp, objv[3], &boolValue) != TCL_OK) { |
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| 305 | return TCL_ERROR; |
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| 306 | } |
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| 307 | |
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| 308 | /* |
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| 309 | * If the object currently bound to the variable with index varIndex |
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| 310 | * has ref count 1 (i.e. the object is unshared) we can modify that |
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| 311 | * object directly. Otherwise, if RC>1 (i.e. the object is shared), |
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| 312 | * we must create a new object to modify/set and decrement the old |
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| 313 | * formerly-shared object's ref count. This is "copy on write". |
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| 314 | */ |
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| 315 | |
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| 316 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
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| 317 | Tcl_SetBooleanObj(varPtr[varIndex], boolValue); |
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| 318 | } else { |
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| 319 | SetVarToObj(varIndex, Tcl_NewBooleanObj(boolValue)); |
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| 320 | } |
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| 321 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 322 | } else if (strcmp(subCmd, "get") == 0) { |
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| 323 | if (objc != 3) { |
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| 324 | goto wrongNumArgs; |
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| 325 | } |
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| 326 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 327 | return TCL_ERROR; |
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| 328 | } |
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| 329 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 330 | } else if (strcmp(subCmd, "not") == 0) { |
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| 331 | if (objc != 3) { |
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| 332 | goto wrongNumArgs; |
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| 333 | } |
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| 334 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 335 | return TCL_ERROR; |
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| 336 | } |
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| 337 | if (Tcl_GetBooleanFromObj(interp, varPtr[varIndex], |
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| 338 | &boolValue) != TCL_OK) { |
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| 339 | return TCL_ERROR; |
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| 340 | } |
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| 341 | if (!Tcl_IsShared(varPtr[varIndex])) { |
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| 342 | Tcl_SetBooleanObj(varPtr[varIndex], !boolValue); |
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| 343 | } else { |
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| 344 | SetVarToObj(varIndex, Tcl_NewBooleanObj(!boolValue)); |
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| 345 | } |
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| 346 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 347 | } else { |
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| 348 | Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), |
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| 349 | "bad option \"", Tcl_GetString(objv[1]), |
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| 350 | "\": must be set, get, or not", NULL); |
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| 351 | return TCL_ERROR; |
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| 352 | } |
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| 353 | return TCL_OK; |
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| 354 | } |
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| 355 | |
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| 356 | /* |
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| 357 | *---------------------------------------------------------------------- |
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| 358 | * |
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| 359 | * TestdoubleobjCmd -- |
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| 360 | * |
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| 361 | * This function implements the "testdoubleobj" command. It is used to |
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| 362 | * test the double-precision floating point Tcl object type |
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| 363 | * implementation. |
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| 364 | * |
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| 365 | * Results: |
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| 366 | * A standard Tcl object result. |
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| 367 | * |
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| 368 | * Side effects: |
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| 369 | * Creates and frees double objects, and also converts objects to |
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| 370 | * have double type. |
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| 371 | * |
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| 372 | *---------------------------------------------------------------------- |
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| 373 | */ |
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| 374 | |
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| 375 | static int |
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| 376 | TestdoubleobjCmd( |
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| 377 | ClientData clientData, /* Not used. */ |
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| 378 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 379 | int objc, /* Number of arguments. */ |
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| 380 | Tcl_Obj *const objv[]) /* Argument objects. */ |
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| 381 | { |
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| 382 | int varIndex; |
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| 383 | double doubleValue; |
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| 384 | char *index, *subCmd, *string; |
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| 385 | |
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| 386 | if (objc < 3) { |
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| 387 | wrongNumArgs: |
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| 388 | Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?"); |
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| 389 | return TCL_ERROR; |
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| 390 | } |
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| 391 | |
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| 392 | index = Tcl_GetString(objv[2]); |
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| 393 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
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| 394 | return TCL_ERROR; |
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| 395 | } |
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| 396 | |
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| 397 | subCmd = Tcl_GetString(objv[1]); |
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| 398 | if (strcmp(subCmd, "set") == 0) { |
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| 399 | if (objc != 4) { |
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| 400 | goto wrongNumArgs; |
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| 401 | } |
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| 402 | string = Tcl_GetString(objv[3]); |
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| 403 | if (Tcl_GetDouble(interp, string, &doubleValue) != TCL_OK) { |
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| 404 | return TCL_ERROR; |
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| 405 | } |
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| 406 | |
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| 407 | /* |
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| 408 | * If the object currently bound to the variable with index varIndex |
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| 409 | * has ref count 1 (i.e. the object is unshared) we can modify that |
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| 410 | * object directly. Otherwise, if RC>1 (i.e. the object is shared), we |
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| 411 | * must create a new object to modify/set and decrement the old |
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| 412 | * formerly-shared object's ref count. This is "copy on write". |
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| 413 | */ |
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| 414 | |
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| 415 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
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| 416 | Tcl_SetDoubleObj(varPtr[varIndex], doubleValue); |
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| 417 | } else { |
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| 418 | SetVarToObj(varIndex, Tcl_NewDoubleObj(doubleValue)); |
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| 419 | } |
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| 420 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 421 | } else if (strcmp(subCmd, "get") == 0) { |
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| 422 | if (objc != 3) { |
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| 423 | goto wrongNumArgs; |
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| 424 | } |
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| 425 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 426 | return TCL_ERROR; |
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| 427 | } |
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| 428 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 429 | } else if (strcmp(subCmd, "mult10") == 0) { |
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| 430 | if (objc != 3) { |
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| 431 | goto wrongNumArgs; |
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| 432 | } |
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| 433 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 434 | return TCL_ERROR; |
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| 435 | } |
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| 436 | if (Tcl_GetDoubleFromObj(interp, varPtr[varIndex], |
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| 437 | &doubleValue) != TCL_OK) { |
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| 438 | return TCL_ERROR; |
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| 439 | } |
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| 440 | if (!Tcl_IsShared(varPtr[varIndex])) { |
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| 441 | Tcl_SetDoubleObj(varPtr[varIndex], (doubleValue * 10.0)); |
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| 442 | } else { |
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| 443 | SetVarToObj(varIndex, Tcl_NewDoubleObj( (doubleValue * 10.0) )); |
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| 444 | } |
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| 445 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 446 | } else if (strcmp(subCmd, "div10") == 0) { |
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| 447 | if (objc != 3) { |
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| 448 | goto wrongNumArgs; |
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| 449 | } |
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| 450 | if (CheckIfVarUnset(interp, varIndex)) { |
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| 451 | return TCL_ERROR; |
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| 452 | } |
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| 453 | if (Tcl_GetDoubleFromObj(interp, varPtr[varIndex], |
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| 454 | &doubleValue) != TCL_OK) { |
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| 455 | return TCL_ERROR; |
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| 456 | } |
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| 457 | if (!Tcl_IsShared(varPtr[varIndex])) { |
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| 458 | Tcl_SetDoubleObj(varPtr[varIndex], (doubleValue / 10.0)); |
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| 459 | } else { |
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| 460 | SetVarToObj(varIndex, Tcl_NewDoubleObj( (doubleValue / 10.0) )); |
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| 461 | } |
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| 462 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
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| 463 | } else { |
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| 464 | Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), |
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| 465 | "bad option \"", Tcl_GetString(objv[1]), |
---|
| 466 | "\": must be set, get, mult10, or div10", NULL); |
---|
| 467 | return TCL_ERROR; |
---|
| 468 | } |
---|
| 469 | return TCL_OK; |
---|
| 470 | } |
---|
| 471 | |
---|
| 472 | /* |
---|
| 473 | *---------------------------------------------------------------------- |
---|
| 474 | * |
---|
| 475 | * TestindexobjCmd -- |
---|
| 476 | * |
---|
| 477 | * This function implements the "testindexobj" command. It is used to |
---|
| 478 | * test the index Tcl object type implementation. |
---|
| 479 | * |
---|
| 480 | * Results: |
---|
| 481 | * A standard Tcl object result. |
---|
| 482 | * |
---|
| 483 | * Side effects: |
---|
| 484 | * Creates and frees int objects, and also converts objects to |
---|
| 485 | * have int type. |
---|
| 486 | * |
---|
| 487 | *---------------------------------------------------------------------- |
---|
| 488 | */ |
---|
| 489 | |
---|
| 490 | static int |
---|
| 491 | TestindexobjCmd( |
---|
| 492 | ClientData clientData, /* Not used. */ |
---|
| 493 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 494 | int objc, /* Number of arguments. */ |
---|
| 495 | Tcl_Obj *const objv[]) /* Argument objects. */ |
---|
| 496 | { |
---|
| 497 | int allowAbbrev, index, index2, setError, i, result; |
---|
| 498 | const char **argv; |
---|
| 499 | static const char *tablePtr[] = {"a", "b", "check", NULL}; |
---|
| 500 | /* |
---|
| 501 | * Keep this structure declaration in sync with tclIndexObj.c |
---|
| 502 | */ |
---|
| 503 | struct IndexRep { |
---|
| 504 | VOID *tablePtr; /* Pointer to the table of strings */ |
---|
| 505 | int offset; /* Offset between table entries */ |
---|
| 506 | int index; /* Selected index into table. */ |
---|
| 507 | }; |
---|
| 508 | struct IndexRep *indexRep; |
---|
| 509 | |
---|
| 510 | if ((objc == 3) && (strcmp(Tcl_GetString(objv[1]), |
---|
| 511 | "check") == 0)) { |
---|
| 512 | /* |
---|
| 513 | * This code checks to be sure that the results of Tcl_GetIndexFromObj |
---|
| 514 | * are properly cached in the object and returned on subsequent |
---|
| 515 | * lookups. |
---|
| 516 | */ |
---|
| 517 | |
---|
| 518 | if (Tcl_GetIntFromObj(interp, objv[2], &index2) != TCL_OK) { |
---|
| 519 | return TCL_ERROR; |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | Tcl_GetIndexFromObj(NULL, objv[1], tablePtr, "token", 0, &index); |
---|
| 523 | indexRep = (struct IndexRep *) objv[1]->internalRep.otherValuePtr; |
---|
| 524 | indexRep->index = index2; |
---|
| 525 | result = Tcl_GetIndexFromObj(NULL, objv[1], |
---|
| 526 | tablePtr, "token", 0, &index); |
---|
| 527 | if (result == TCL_OK) { |
---|
| 528 | Tcl_SetIntObj(Tcl_GetObjResult(interp), index); |
---|
| 529 | } |
---|
| 530 | return result; |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | if (objc < 5) { |
---|
| 534 | Tcl_AppendToObj(Tcl_GetObjResult(interp), "wrong # args", -1); |
---|
| 535 | return TCL_ERROR; |
---|
| 536 | } |
---|
| 537 | |
---|
| 538 | if (Tcl_GetBooleanFromObj(interp, objv[1], &setError) != TCL_OK) { |
---|
| 539 | return TCL_ERROR; |
---|
| 540 | } |
---|
| 541 | if (Tcl_GetBooleanFromObj(interp, objv[2], &allowAbbrev) != TCL_OK) { |
---|
| 542 | return TCL_ERROR; |
---|
| 543 | } |
---|
| 544 | |
---|
| 545 | argv = (const char **) ckalloc((unsigned) ((objc-3) * sizeof(char *))); |
---|
| 546 | for (i = 4; i < objc; i++) { |
---|
| 547 | argv[i-4] = Tcl_GetString(objv[i]); |
---|
| 548 | } |
---|
| 549 | argv[objc-4] = NULL; |
---|
| 550 | |
---|
| 551 | /* |
---|
| 552 | * Tcl_GetIndexFromObj assumes that the table is statically-allocated so |
---|
| 553 | * that its address is different for each index object. If we accidently |
---|
| 554 | * allocate a table at the same address as that cached in the index |
---|
| 555 | * object, clear out the object's cached state. |
---|
| 556 | */ |
---|
| 557 | |
---|
| 558 | if ( objv[3]->typePtr != NULL |
---|
| 559 | && !strcmp( "index", objv[3]->typePtr->name ) ) { |
---|
| 560 | indexRep = (struct IndexRep *) objv[3]->internalRep.otherValuePtr; |
---|
| 561 | if (indexRep->tablePtr == (VOID *) argv) { |
---|
| 562 | objv[3]->typePtr->freeIntRepProc(objv[3]); |
---|
| 563 | objv[3]->typePtr = NULL; |
---|
| 564 | } |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | result = Tcl_GetIndexFromObj((setError? interp : NULL), objv[3], |
---|
| 568 | argv, "token", (allowAbbrev? 0 : TCL_EXACT), &index); |
---|
| 569 | ckfree((char *) argv); |
---|
| 570 | if (result == TCL_OK) { |
---|
| 571 | Tcl_SetIntObj(Tcl_GetObjResult(interp), index); |
---|
| 572 | } |
---|
| 573 | return result; |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | /* |
---|
| 577 | *---------------------------------------------------------------------- |
---|
| 578 | * |
---|
| 579 | * TestintobjCmd -- |
---|
| 580 | * |
---|
| 581 | * This function implements the "testintobj" command. It is used to |
---|
| 582 | * test the int Tcl object type implementation. |
---|
| 583 | * |
---|
| 584 | * Results: |
---|
| 585 | * A standard Tcl object result. |
---|
| 586 | * |
---|
| 587 | * Side effects: |
---|
| 588 | * Creates and frees int objects, and also converts objects to |
---|
| 589 | * have int type. |
---|
| 590 | * |
---|
| 591 | *---------------------------------------------------------------------- |
---|
| 592 | */ |
---|
| 593 | |
---|
| 594 | static int |
---|
| 595 | TestintobjCmd( |
---|
| 596 | ClientData clientData, /* Not used. */ |
---|
| 597 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 598 | int objc, /* Number of arguments. */ |
---|
| 599 | Tcl_Obj *const objv[]) /* Argument objects. */ |
---|
| 600 | { |
---|
| 601 | int intValue, varIndex, i; |
---|
| 602 | long longValue; |
---|
| 603 | char *index, *subCmd, *string; |
---|
| 604 | |
---|
| 605 | if (objc < 3) { |
---|
| 606 | wrongNumArgs: |
---|
| 607 | Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?"); |
---|
| 608 | return TCL_ERROR; |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | index = Tcl_GetString(objv[2]); |
---|
| 612 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 613 | return TCL_ERROR; |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | subCmd = Tcl_GetString(objv[1]); |
---|
| 617 | if (strcmp(subCmd, "set") == 0) { |
---|
| 618 | if (objc != 4) { |
---|
| 619 | goto wrongNumArgs; |
---|
| 620 | } |
---|
| 621 | string = Tcl_GetString(objv[3]); |
---|
| 622 | if (Tcl_GetInt(interp, string, &i) != TCL_OK) { |
---|
| 623 | return TCL_ERROR; |
---|
| 624 | } |
---|
| 625 | intValue = i; |
---|
| 626 | |
---|
| 627 | /* |
---|
| 628 | * If the object currently bound to the variable with index varIndex |
---|
| 629 | * has ref count 1 (i.e. the object is unshared) we can modify that |
---|
| 630 | * object directly. Otherwise, if RC>1 (i.e. the object is shared), we |
---|
| 631 | * must create a new object to modify/set and decrement the old |
---|
| 632 | * formerly-shared object's ref count. This is "copy on write". |
---|
| 633 | */ |
---|
| 634 | |
---|
| 635 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
---|
| 636 | Tcl_SetIntObj(varPtr[varIndex], intValue); |
---|
| 637 | } else { |
---|
| 638 | SetVarToObj(varIndex, Tcl_NewIntObj(intValue)); |
---|
| 639 | } |
---|
| 640 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 641 | } else if (strcmp(subCmd, "set2") == 0) { /* doesn't set result */ |
---|
| 642 | if (objc != 4) { |
---|
| 643 | goto wrongNumArgs; |
---|
| 644 | } |
---|
| 645 | string = Tcl_GetString(objv[3]); |
---|
| 646 | if (Tcl_GetInt(interp, string, &i) != TCL_OK) { |
---|
| 647 | return TCL_ERROR; |
---|
| 648 | } |
---|
| 649 | intValue = i; |
---|
| 650 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
---|
| 651 | Tcl_SetIntObj(varPtr[varIndex], intValue); |
---|
| 652 | } else { |
---|
| 653 | SetVarToObj(varIndex, Tcl_NewIntObj(intValue)); |
---|
| 654 | } |
---|
| 655 | } else if (strcmp(subCmd, "setlong") == 0) { |
---|
| 656 | if (objc != 4) { |
---|
| 657 | goto wrongNumArgs; |
---|
| 658 | } |
---|
| 659 | string = Tcl_GetString(objv[3]); |
---|
| 660 | if (Tcl_GetInt(interp, string, &i) != TCL_OK) { |
---|
| 661 | return TCL_ERROR; |
---|
| 662 | } |
---|
| 663 | intValue = i; |
---|
| 664 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
---|
| 665 | Tcl_SetLongObj(varPtr[varIndex], intValue); |
---|
| 666 | } else { |
---|
| 667 | SetVarToObj(varIndex, Tcl_NewLongObj(intValue)); |
---|
| 668 | } |
---|
| 669 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 670 | } else if (strcmp(subCmd, "setmaxlong") == 0) { |
---|
| 671 | long maxLong = LONG_MAX; |
---|
| 672 | if (objc != 3) { |
---|
| 673 | goto wrongNumArgs; |
---|
| 674 | } |
---|
| 675 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
---|
| 676 | Tcl_SetLongObj(varPtr[varIndex], maxLong); |
---|
| 677 | } else { |
---|
| 678 | SetVarToObj(varIndex, Tcl_NewLongObj(maxLong)); |
---|
| 679 | } |
---|
| 680 | } else if (strcmp(subCmd, "ismaxlong") == 0) { |
---|
| 681 | if (objc != 3) { |
---|
| 682 | goto wrongNumArgs; |
---|
| 683 | } |
---|
| 684 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 685 | return TCL_ERROR; |
---|
| 686 | } |
---|
| 687 | if (Tcl_GetLongFromObj(interp, varPtr[varIndex], &longValue) != TCL_OK) { |
---|
| 688 | return TCL_ERROR; |
---|
| 689 | } |
---|
| 690 | Tcl_AppendToObj(Tcl_GetObjResult(interp), |
---|
| 691 | ((longValue == LONG_MAX)? "1" : "0"), -1); |
---|
| 692 | } else if (strcmp(subCmd, "get") == 0) { |
---|
| 693 | if (objc != 3) { |
---|
| 694 | goto wrongNumArgs; |
---|
| 695 | } |
---|
| 696 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 697 | return TCL_ERROR; |
---|
| 698 | } |
---|
| 699 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 700 | } else if (strcmp(subCmd, "get2") == 0) { |
---|
| 701 | if (objc != 3) { |
---|
| 702 | goto wrongNumArgs; |
---|
| 703 | } |
---|
| 704 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 705 | return TCL_ERROR; |
---|
| 706 | } |
---|
| 707 | string = Tcl_GetString(varPtr[varIndex]); |
---|
| 708 | Tcl_AppendToObj(Tcl_GetObjResult(interp), string, -1); |
---|
| 709 | } else if (strcmp(subCmd, "inttoobigtest") == 0) { |
---|
| 710 | /* |
---|
| 711 | * If long ints have more bits than ints on this platform, verify that |
---|
| 712 | * Tcl_GetIntFromObj returns an error if the long int held in an |
---|
| 713 | * integer object's internal representation is too large to fit in an |
---|
| 714 | * int. |
---|
| 715 | */ |
---|
| 716 | |
---|
| 717 | if (objc != 3) { |
---|
| 718 | goto wrongNumArgs; |
---|
| 719 | } |
---|
| 720 | #if (INT_MAX == LONG_MAX) /* int is same size as long int */ |
---|
| 721 | Tcl_AppendToObj(Tcl_GetObjResult(interp), "1", -1); |
---|
| 722 | #else |
---|
| 723 | if ((varPtr[varIndex] != NULL) && !Tcl_IsShared(varPtr[varIndex])) { |
---|
| 724 | Tcl_SetLongObj(varPtr[varIndex], LONG_MAX); |
---|
| 725 | } else { |
---|
| 726 | SetVarToObj(varIndex, Tcl_NewLongObj(LONG_MAX)); |
---|
| 727 | } |
---|
| 728 | if (Tcl_GetIntFromObj(interp, varPtr[varIndex], &i) != TCL_OK) { |
---|
| 729 | Tcl_ResetResult(interp); |
---|
| 730 | Tcl_AppendToObj(Tcl_GetObjResult(interp), "1", -1); |
---|
| 731 | return TCL_OK; |
---|
| 732 | } |
---|
| 733 | Tcl_AppendToObj(Tcl_GetObjResult(interp), "0", -1); |
---|
| 734 | #endif |
---|
| 735 | } else if (strcmp(subCmd, "mult10") == 0) { |
---|
| 736 | if (objc != 3) { |
---|
| 737 | goto wrongNumArgs; |
---|
| 738 | } |
---|
| 739 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 740 | return TCL_ERROR; |
---|
| 741 | } |
---|
| 742 | if (Tcl_GetIntFromObj(interp, varPtr[varIndex], |
---|
| 743 | &intValue) != TCL_OK) { |
---|
| 744 | return TCL_ERROR; |
---|
| 745 | } |
---|
| 746 | if (!Tcl_IsShared(varPtr[varIndex])) { |
---|
| 747 | Tcl_SetIntObj(varPtr[varIndex], (intValue * 10)); |
---|
| 748 | } else { |
---|
| 749 | SetVarToObj(varIndex, Tcl_NewIntObj( (intValue * 10) )); |
---|
| 750 | } |
---|
| 751 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 752 | } else if (strcmp(subCmd, "div10") == 0) { |
---|
| 753 | if (objc != 3) { |
---|
| 754 | goto wrongNumArgs; |
---|
| 755 | } |
---|
| 756 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 757 | return TCL_ERROR; |
---|
| 758 | } |
---|
| 759 | if (Tcl_GetIntFromObj(interp, varPtr[varIndex], |
---|
| 760 | &intValue) != TCL_OK) { |
---|
| 761 | return TCL_ERROR; |
---|
| 762 | } |
---|
| 763 | if (!Tcl_IsShared(varPtr[varIndex])) { |
---|
| 764 | Tcl_SetIntObj(varPtr[varIndex], (intValue / 10)); |
---|
| 765 | } else { |
---|
| 766 | SetVarToObj(varIndex, Tcl_NewIntObj( (intValue / 10) )); |
---|
| 767 | } |
---|
| 768 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 769 | } else { |
---|
| 770 | Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), |
---|
| 771 | "bad option \"", Tcl_GetString(objv[1]), |
---|
| 772 | "\": must be set, get, get2, mult10, or div10", NULL); |
---|
| 773 | return TCL_ERROR; |
---|
| 774 | } |
---|
| 775 | return TCL_OK; |
---|
| 776 | } |
---|
| 777 | |
---|
| 778 | /* |
---|
| 779 | *---------------------------------------------------------------------- |
---|
| 780 | * |
---|
| 781 | * TestobjCmd -- |
---|
| 782 | * |
---|
| 783 | * This function implements the "testobj" command. It is used to test |
---|
| 784 | * the type-independent portions of the Tcl object type implementation. |
---|
| 785 | * |
---|
| 786 | * Results: |
---|
| 787 | * A standard Tcl object result. |
---|
| 788 | * |
---|
| 789 | * Side effects: |
---|
| 790 | * Creates and frees objects. |
---|
| 791 | * |
---|
| 792 | *---------------------------------------------------------------------- |
---|
| 793 | */ |
---|
| 794 | |
---|
| 795 | static int |
---|
| 796 | TestobjCmd( |
---|
| 797 | ClientData clientData, /* Not used. */ |
---|
| 798 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 799 | int objc, /* Number of arguments. */ |
---|
| 800 | Tcl_Obj *const objv[]) /* Argument objects. */ |
---|
| 801 | { |
---|
| 802 | int varIndex, destIndex, i; |
---|
| 803 | char *index, *subCmd, *string; |
---|
| 804 | Tcl_ObjType *targetType; |
---|
| 805 | |
---|
| 806 | if (objc < 2) { |
---|
| 807 | wrongNumArgs: |
---|
| 808 | Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?"); |
---|
| 809 | return TCL_ERROR; |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | subCmd = Tcl_GetString(objv[1]); |
---|
| 813 | if (strcmp(subCmd, "assign") == 0) { |
---|
| 814 | if (objc != 4) { |
---|
| 815 | goto wrongNumArgs; |
---|
| 816 | } |
---|
| 817 | index = Tcl_GetString(objv[2]); |
---|
| 818 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 819 | return TCL_ERROR; |
---|
| 820 | } |
---|
| 821 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 822 | return TCL_ERROR; |
---|
| 823 | } |
---|
| 824 | string = Tcl_GetString(objv[3]); |
---|
| 825 | if (GetVariableIndex(interp, string, &destIndex) != TCL_OK) { |
---|
| 826 | return TCL_ERROR; |
---|
| 827 | } |
---|
| 828 | SetVarToObj(destIndex, varPtr[varIndex]); |
---|
| 829 | Tcl_SetObjResult(interp, varPtr[destIndex]); |
---|
| 830 | } else if (strcmp(subCmd, "convert") == 0) { |
---|
| 831 | char *typeName; |
---|
| 832 | if (objc != 4) { |
---|
| 833 | goto wrongNumArgs; |
---|
| 834 | } |
---|
| 835 | index = Tcl_GetString(objv[2]); |
---|
| 836 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 837 | return TCL_ERROR; |
---|
| 838 | } |
---|
| 839 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 840 | return TCL_ERROR; |
---|
| 841 | } |
---|
| 842 | typeName = Tcl_GetString(objv[3]); |
---|
| 843 | if ((targetType = Tcl_GetObjType(typeName)) == NULL) { |
---|
| 844 | Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), |
---|
| 845 | "no type ", typeName, " found", NULL); |
---|
| 846 | return TCL_ERROR; |
---|
| 847 | } |
---|
| 848 | if (Tcl_ConvertToType(interp, varPtr[varIndex], targetType) |
---|
| 849 | != TCL_OK) { |
---|
| 850 | return TCL_ERROR; |
---|
| 851 | } |
---|
| 852 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 853 | } else if (strcmp(subCmd, "duplicate") == 0) { |
---|
| 854 | if (objc != 4) { |
---|
| 855 | goto wrongNumArgs; |
---|
| 856 | } |
---|
| 857 | index = Tcl_GetString(objv[2]); |
---|
| 858 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 859 | return TCL_ERROR; |
---|
| 860 | } |
---|
| 861 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 862 | return TCL_ERROR; |
---|
| 863 | } |
---|
| 864 | string = Tcl_GetString(objv[3]); |
---|
| 865 | if (GetVariableIndex(interp, string, &destIndex) != TCL_OK) { |
---|
| 866 | return TCL_ERROR; |
---|
| 867 | } |
---|
| 868 | SetVarToObj(destIndex, Tcl_DuplicateObj(varPtr[varIndex])); |
---|
| 869 | Tcl_SetObjResult(interp, varPtr[destIndex]); |
---|
| 870 | } else if (strcmp(subCmd, "freeallvars") == 0) { |
---|
| 871 | if (objc != 2) { |
---|
| 872 | goto wrongNumArgs; |
---|
| 873 | } |
---|
| 874 | for (i = 0; i < NUMBER_OF_OBJECT_VARS; i++) { |
---|
| 875 | if (varPtr[i] != NULL) { |
---|
| 876 | Tcl_DecrRefCount(varPtr[i]); |
---|
| 877 | varPtr[i] = NULL; |
---|
| 878 | } |
---|
| 879 | } |
---|
| 880 | } else if ( strcmp ( subCmd, "invalidateStringRep" ) == 0 ) { |
---|
| 881 | if ( objc != 3 ) { |
---|
| 882 | goto wrongNumArgs; |
---|
| 883 | } |
---|
| 884 | index = Tcl_GetString( objv[2] ); |
---|
| 885 | if ( GetVariableIndex( interp, index, &varIndex ) != TCL_OK ) { |
---|
| 886 | return TCL_ERROR; |
---|
| 887 | } |
---|
| 888 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 889 | return TCL_ERROR; |
---|
| 890 | } |
---|
| 891 | Tcl_InvalidateStringRep( varPtr[varIndex] ); |
---|
| 892 | Tcl_SetObjResult( interp, varPtr[varIndex] ); |
---|
| 893 | } else if (strcmp(subCmd, "newobj") == 0) { |
---|
| 894 | if (objc != 3) { |
---|
| 895 | goto wrongNumArgs; |
---|
| 896 | } |
---|
| 897 | index = Tcl_GetString(objv[2]); |
---|
| 898 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 899 | return TCL_ERROR; |
---|
| 900 | } |
---|
| 901 | SetVarToObj(varIndex, Tcl_NewObj()); |
---|
| 902 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 903 | } else if (strcmp(subCmd, "objtype") == 0) { |
---|
| 904 | const char *typeName; |
---|
| 905 | |
---|
| 906 | /* |
---|
| 907 | * return an object containing the name of the argument's type |
---|
| 908 | * of internal rep. If none exists, return "none". |
---|
| 909 | */ |
---|
| 910 | |
---|
| 911 | if (objc != 3) { |
---|
| 912 | goto wrongNumArgs; |
---|
| 913 | } |
---|
| 914 | if (objv[2]->typePtr == NULL) { |
---|
| 915 | Tcl_SetObjResult(interp, Tcl_NewStringObj("none", -1)); |
---|
| 916 | } else { |
---|
| 917 | typeName = objv[2]->typePtr->name; |
---|
| 918 | Tcl_SetObjResult(interp, Tcl_NewStringObj(typeName, -1)); |
---|
| 919 | } |
---|
| 920 | } else if (strcmp(subCmd, "refcount") == 0) { |
---|
| 921 | char buf[TCL_INTEGER_SPACE]; |
---|
| 922 | |
---|
| 923 | if (objc != 3) { |
---|
| 924 | goto wrongNumArgs; |
---|
| 925 | } |
---|
| 926 | index = Tcl_GetString(objv[2]); |
---|
| 927 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 928 | return TCL_ERROR; |
---|
| 929 | } |
---|
| 930 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 931 | return TCL_ERROR; |
---|
| 932 | } |
---|
| 933 | TclFormatInt(buf, varPtr[varIndex]->refCount); |
---|
| 934 | Tcl_SetResult(interp, buf, TCL_VOLATILE); |
---|
| 935 | } else if (strcmp(subCmd, "type") == 0) { |
---|
| 936 | if (objc != 3) { |
---|
| 937 | goto wrongNumArgs; |
---|
| 938 | } |
---|
| 939 | index = Tcl_GetString(objv[2]); |
---|
| 940 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 941 | return TCL_ERROR; |
---|
| 942 | } |
---|
| 943 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 944 | return TCL_ERROR; |
---|
| 945 | } |
---|
| 946 | if (varPtr[varIndex]->typePtr == NULL) { /* a string! */ |
---|
| 947 | Tcl_AppendToObj(Tcl_GetObjResult(interp), "string", -1); |
---|
| 948 | } else { |
---|
| 949 | Tcl_AppendToObj(Tcl_GetObjResult(interp), |
---|
| 950 | varPtr[varIndex]->typePtr->name, -1); |
---|
| 951 | } |
---|
| 952 | } else if (strcmp(subCmd, "types") == 0) { |
---|
| 953 | if (objc != 2) { |
---|
| 954 | goto wrongNumArgs; |
---|
| 955 | } |
---|
| 956 | if (Tcl_AppendAllObjTypes(interp, |
---|
| 957 | Tcl_GetObjResult(interp)) != TCL_OK) { |
---|
| 958 | return TCL_ERROR; |
---|
| 959 | } |
---|
| 960 | } else { |
---|
| 961 | Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), |
---|
| 962 | "bad option \"", Tcl_GetString(objv[1]), |
---|
| 963 | "\": must be assign, convert, duplicate, freeallvars, " |
---|
| 964 | "newobj, objcount, objtype, refcount, type, or types", NULL); |
---|
| 965 | return TCL_ERROR; |
---|
| 966 | } |
---|
| 967 | return TCL_OK; |
---|
| 968 | } |
---|
| 969 | |
---|
| 970 | /* |
---|
| 971 | *---------------------------------------------------------------------- |
---|
| 972 | * |
---|
| 973 | * TeststringobjCmd -- |
---|
| 974 | * |
---|
| 975 | * This function implements the "teststringobj" command. It is used to |
---|
| 976 | * test the string Tcl object type implementation. |
---|
| 977 | * |
---|
| 978 | * Results: |
---|
| 979 | * A standard Tcl object result. |
---|
| 980 | * |
---|
| 981 | * Side effects: |
---|
| 982 | * Creates and frees string objects, and also converts objects to |
---|
| 983 | * have string type. |
---|
| 984 | * |
---|
| 985 | *---------------------------------------------------------------------- |
---|
| 986 | */ |
---|
| 987 | |
---|
| 988 | static int |
---|
| 989 | TeststringobjCmd( |
---|
| 990 | ClientData clientData, /* Not used. */ |
---|
| 991 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 992 | int objc, /* Number of arguments. */ |
---|
| 993 | Tcl_Obj *const objv[]) /* Argument objects. */ |
---|
| 994 | { |
---|
| 995 | int varIndex, option, i, length; |
---|
| 996 | #define MAX_STRINGS 11 |
---|
| 997 | char *index, *string, *strings[MAX_STRINGS+1]; |
---|
| 998 | TestString *strPtr; |
---|
| 999 | static const char *options[] = { |
---|
| 1000 | "append", "appendstrings", "get", "get2", "length", "length2", |
---|
| 1001 | "set", "set2", "setlength", "ualloc", "getunicode", NULL |
---|
| 1002 | }; |
---|
| 1003 | |
---|
| 1004 | if (objc < 3) { |
---|
| 1005 | wrongNumArgs: |
---|
| 1006 | Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?"); |
---|
| 1007 | return TCL_ERROR; |
---|
| 1008 | } |
---|
| 1009 | |
---|
| 1010 | index = Tcl_GetString(objv[2]); |
---|
| 1011 | if (GetVariableIndex(interp, index, &varIndex) != TCL_OK) { |
---|
| 1012 | return TCL_ERROR; |
---|
| 1013 | } |
---|
| 1014 | |
---|
| 1015 | if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0, &option) |
---|
| 1016 | != TCL_OK) { |
---|
| 1017 | return TCL_ERROR; |
---|
| 1018 | } |
---|
| 1019 | switch (option) { |
---|
| 1020 | case 0: /* append */ |
---|
| 1021 | if (objc != 5) { |
---|
| 1022 | goto wrongNumArgs; |
---|
| 1023 | } |
---|
| 1024 | if (Tcl_GetIntFromObj(interp, objv[4], &length) != TCL_OK) { |
---|
| 1025 | return TCL_ERROR; |
---|
| 1026 | } |
---|
| 1027 | if (varPtr[varIndex] == NULL) { |
---|
| 1028 | SetVarToObj(varIndex, Tcl_NewObj()); |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | /* |
---|
| 1032 | * If the object bound to variable "varIndex" is shared, we must |
---|
| 1033 | * "copy on write" and append to a copy of the object. |
---|
| 1034 | */ |
---|
| 1035 | |
---|
| 1036 | if (Tcl_IsShared(varPtr[varIndex])) { |
---|
| 1037 | SetVarToObj(varIndex, Tcl_DuplicateObj(varPtr[varIndex])); |
---|
| 1038 | } |
---|
| 1039 | string = Tcl_GetString(objv[3]); |
---|
| 1040 | Tcl_AppendToObj(varPtr[varIndex], string, length); |
---|
| 1041 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 1042 | break; |
---|
| 1043 | case 1: /* appendstrings */ |
---|
| 1044 | if (objc > (MAX_STRINGS+3)) { |
---|
| 1045 | goto wrongNumArgs; |
---|
| 1046 | } |
---|
| 1047 | if (varPtr[varIndex] == NULL) { |
---|
| 1048 | SetVarToObj(varIndex, Tcl_NewObj()); |
---|
| 1049 | } |
---|
| 1050 | |
---|
| 1051 | /* |
---|
| 1052 | * If the object bound to variable "varIndex" is shared, we must |
---|
| 1053 | * "copy on write" and append to a copy of the object. |
---|
| 1054 | */ |
---|
| 1055 | |
---|
| 1056 | if (Tcl_IsShared(varPtr[varIndex])) { |
---|
| 1057 | SetVarToObj(varIndex, Tcl_DuplicateObj(varPtr[varIndex])); |
---|
| 1058 | } |
---|
| 1059 | for (i = 3; i < objc; i++) { |
---|
| 1060 | strings[i-3] = Tcl_GetString(objv[i]); |
---|
| 1061 | } |
---|
| 1062 | for ( ; i < 12 + 3; i++) { |
---|
| 1063 | strings[i - 3] = NULL; |
---|
| 1064 | } |
---|
| 1065 | Tcl_AppendStringsToObj(varPtr[varIndex], strings[0], strings[1], |
---|
| 1066 | strings[2], strings[3], strings[4], strings[5], |
---|
| 1067 | strings[6], strings[7], strings[8], strings[9], |
---|
| 1068 | strings[10], strings[11]); |
---|
| 1069 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 1070 | break; |
---|
| 1071 | case 2: /* get */ |
---|
| 1072 | if (objc != 3) { |
---|
| 1073 | goto wrongNumArgs; |
---|
| 1074 | } |
---|
| 1075 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 1076 | return TCL_ERROR; |
---|
| 1077 | } |
---|
| 1078 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 1079 | break; |
---|
| 1080 | case 3: /* get2 */ |
---|
| 1081 | if (objc != 3) { |
---|
| 1082 | goto wrongNumArgs; |
---|
| 1083 | } |
---|
| 1084 | if (CheckIfVarUnset(interp, varIndex)) { |
---|
| 1085 | return TCL_ERROR; |
---|
| 1086 | } |
---|
| 1087 | string = Tcl_GetString(varPtr[varIndex]); |
---|
| 1088 | Tcl_AppendToObj(Tcl_GetObjResult(interp), string, -1); |
---|
| 1089 | break; |
---|
| 1090 | case 4: /* length */ |
---|
| 1091 | if (objc != 3) { |
---|
| 1092 | goto wrongNumArgs; |
---|
| 1093 | } |
---|
| 1094 | Tcl_SetIntObj(Tcl_GetObjResult(interp), (varPtr[varIndex] != NULL) |
---|
| 1095 | ? varPtr[varIndex]->length : -1); |
---|
| 1096 | break; |
---|
| 1097 | case 5: /* length2 */ |
---|
| 1098 | if (objc != 3) { |
---|
| 1099 | goto wrongNumArgs; |
---|
| 1100 | } |
---|
| 1101 | if (varPtr[varIndex] != NULL) { |
---|
| 1102 | strPtr = (TestString *) |
---|
| 1103 | (varPtr[varIndex])->internalRep.otherValuePtr; |
---|
| 1104 | length = (int) strPtr->allocated; |
---|
| 1105 | } else { |
---|
| 1106 | length = -1; |
---|
| 1107 | } |
---|
| 1108 | Tcl_SetIntObj(Tcl_GetObjResult(interp), length); |
---|
| 1109 | break; |
---|
| 1110 | case 6: /* set */ |
---|
| 1111 | if (objc != 4) { |
---|
| 1112 | goto wrongNumArgs; |
---|
| 1113 | } |
---|
| 1114 | |
---|
| 1115 | /* |
---|
| 1116 | * If the object currently bound to the variable with index |
---|
| 1117 | * varIndex has ref count 1 (i.e. the object is unshared) we can |
---|
| 1118 | * modify that object directly. Otherwise, if RC>1 (i.e. the |
---|
| 1119 | * object is shared), we must create a new object to modify/set |
---|
| 1120 | * and decrement the old formerly-shared object's ref count. This |
---|
| 1121 | * is "copy on write". |
---|
| 1122 | */ |
---|
| 1123 | |
---|
| 1124 | string = Tcl_GetStringFromObj(objv[3], &length); |
---|
| 1125 | if ((varPtr[varIndex] != NULL) |
---|
| 1126 | && !Tcl_IsShared(varPtr[varIndex])) { |
---|
| 1127 | Tcl_SetStringObj(varPtr[varIndex], string, length); |
---|
| 1128 | } else { |
---|
| 1129 | SetVarToObj(varIndex, Tcl_NewStringObj(string, length)); |
---|
| 1130 | } |
---|
| 1131 | Tcl_SetObjResult(interp, varPtr[varIndex]); |
---|
| 1132 | break; |
---|
| 1133 | case 7: /* set2 */ |
---|
| 1134 | if (objc != 4) { |
---|
| 1135 | goto wrongNumArgs; |
---|
| 1136 | } |
---|
| 1137 | SetVarToObj(varIndex, objv[3]); |
---|
| 1138 | break; |
---|
| 1139 | case 8: /* setlength */ |
---|
| 1140 | if (objc != 4) { |
---|
| 1141 | goto wrongNumArgs; |
---|
| 1142 | } |
---|
| 1143 | if (Tcl_GetIntFromObj(interp, objv[3], &length) != TCL_OK) { |
---|
| 1144 | return TCL_ERROR; |
---|
| 1145 | } |
---|
| 1146 | if (varPtr[varIndex] != NULL) { |
---|
| 1147 | Tcl_SetObjLength(varPtr[varIndex], length); |
---|
| 1148 | } |
---|
| 1149 | break; |
---|
| 1150 | case 9: /* ualloc */ |
---|
| 1151 | if (objc != 3) { |
---|
| 1152 | goto wrongNumArgs; |
---|
| 1153 | } |
---|
| 1154 | if (varPtr[varIndex] != NULL) { |
---|
| 1155 | strPtr = (TestString *) |
---|
| 1156 | (varPtr[varIndex])->internalRep.otherValuePtr; |
---|
| 1157 | length = (int) strPtr->uallocated; |
---|
| 1158 | } else { |
---|
| 1159 | length = -1; |
---|
| 1160 | } |
---|
| 1161 | Tcl_SetIntObj(Tcl_GetObjResult(interp), length); |
---|
| 1162 | break; |
---|
| 1163 | case 10: /* getunicode */ |
---|
| 1164 | if (objc != 3) { |
---|
| 1165 | goto wrongNumArgs; |
---|
| 1166 | } |
---|
| 1167 | Tcl_GetUnicodeFromObj(varPtr[varIndex], NULL); |
---|
| 1168 | break; |
---|
| 1169 | } |
---|
| 1170 | |
---|
| 1171 | return TCL_OK; |
---|
| 1172 | } |
---|
| 1173 | |
---|
| 1174 | /* |
---|
| 1175 | *---------------------------------------------------------------------- |
---|
| 1176 | * |
---|
| 1177 | * SetVarToObj -- |
---|
| 1178 | * |
---|
| 1179 | * Utility routine to assign a Tcl_Obj* to a test variable. The |
---|
| 1180 | * Tcl_Obj* can be NULL. |
---|
| 1181 | * |
---|
| 1182 | * Results: |
---|
| 1183 | * None. |
---|
| 1184 | * |
---|
| 1185 | * Side effects: |
---|
| 1186 | * This routine handles ref counting details for assignment: i.e. the old |
---|
| 1187 | * value's ref count must be decremented (if not NULL) and the new one |
---|
| 1188 | * incremented (also if not NULL). |
---|
| 1189 | * |
---|
| 1190 | *---------------------------------------------------------------------- |
---|
| 1191 | */ |
---|
| 1192 | |
---|
| 1193 | static void |
---|
| 1194 | SetVarToObj( |
---|
| 1195 | int varIndex, /* Designates the assignment variable. */ |
---|
| 1196 | Tcl_Obj *objPtr) /* Points to object to assign to var. */ |
---|
| 1197 | { |
---|
| 1198 | if (varPtr[varIndex] != NULL) { |
---|
| 1199 | Tcl_DecrRefCount(varPtr[varIndex]); |
---|
| 1200 | } |
---|
| 1201 | varPtr[varIndex] = objPtr; |
---|
| 1202 | if (objPtr != NULL) { |
---|
| 1203 | Tcl_IncrRefCount(objPtr); |
---|
| 1204 | } |
---|
| 1205 | } |
---|
| 1206 | |
---|
| 1207 | /* |
---|
| 1208 | *---------------------------------------------------------------------- |
---|
| 1209 | * |
---|
| 1210 | * GetVariableIndex -- |
---|
| 1211 | * |
---|
| 1212 | * Utility routine to get a test variable index from the command line. |
---|
| 1213 | * |
---|
| 1214 | * Results: |
---|
| 1215 | * A standard Tcl object result. |
---|
| 1216 | * |
---|
| 1217 | * Side effects: |
---|
| 1218 | * None. |
---|
| 1219 | * |
---|
| 1220 | *---------------------------------------------------------------------- |
---|
| 1221 | */ |
---|
| 1222 | |
---|
| 1223 | static int |
---|
| 1224 | GetVariableIndex( |
---|
| 1225 | Tcl_Interp *interp, /* Interpreter for error reporting. */ |
---|
| 1226 | char *string, /* String containing a variable index |
---|
| 1227 | * specified as a nonnegative number less than |
---|
| 1228 | * NUMBER_OF_OBJECT_VARS. */ |
---|
| 1229 | int *indexPtr) /* Place to store converted result. */ |
---|
| 1230 | { |
---|
| 1231 | int index; |
---|
| 1232 | |
---|
| 1233 | if (Tcl_GetInt(interp, string, &index) != TCL_OK) { |
---|
| 1234 | return TCL_ERROR; |
---|
| 1235 | } |
---|
| 1236 | if (index < 0 || index >= NUMBER_OF_OBJECT_VARS) { |
---|
| 1237 | Tcl_ResetResult(interp); |
---|
| 1238 | Tcl_AppendToObj(Tcl_GetObjResult(interp), "bad variable index", -1); |
---|
| 1239 | return TCL_ERROR; |
---|
| 1240 | } |
---|
| 1241 | |
---|
| 1242 | *indexPtr = index; |
---|
| 1243 | return TCL_OK; |
---|
| 1244 | } |
---|
| 1245 | |
---|
| 1246 | /* |
---|
| 1247 | *---------------------------------------------------------------------- |
---|
| 1248 | * |
---|
| 1249 | * CheckIfVarUnset -- |
---|
| 1250 | * |
---|
| 1251 | * Utility function that checks whether a test variable is readable: |
---|
| 1252 | * i.e., that varPtr[varIndex] is non-NULL. |
---|
| 1253 | * |
---|
| 1254 | * Results: |
---|
| 1255 | * 1 if the test variable is unset (NULL); 0 otherwise. |
---|
| 1256 | * |
---|
| 1257 | * Side effects: |
---|
| 1258 | * Sets the interpreter result to an error message if the variable is |
---|
| 1259 | * unset (NULL). |
---|
| 1260 | * |
---|
| 1261 | *---------------------------------------------------------------------- |
---|
| 1262 | */ |
---|
| 1263 | |
---|
| 1264 | static int |
---|
| 1265 | CheckIfVarUnset( |
---|
| 1266 | Tcl_Interp *interp, /* Interpreter for error reporting. */ |
---|
| 1267 | int varIndex) /* Index of the test variable to check. */ |
---|
| 1268 | { |
---|
| 1269 | if (varPtr[varIndex] == NULL) { |
---|
| 1270 | char buf[32 + TCL_INTEGER_SPACE]; |
---|
| 1271 | |
---|
| 1272 | sprintf(buf, "variable %d is unset (NULL)", varIndex); |
---|
| 1273 | Tcl_ResetResult(interp); |
---|
| 1274 | Tcl_AppendToObj(Tcl_GetObjResult(interp), buf, -1); |
---|
| 1275 | return 1; |
---|
| 1276 | } |
---|
| 1277 | return 0; |
---|
| 1278 | } |
---|
| 1279 | |
---|
| 1280 | /* |
---|
| 1281 | * Local Variables: |
---|
| 1282 | * mode: c |
---|
| 1283 | * c-basic-offset: 4 |
---|
| 1284 | * fill-column: 78 |
---|
| 1285 | * End: |
---|
| 1286 | */ |
---|