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/*
* The builtin Boolean object.
* Copyright (c) 1998 New Generation Software (NGS) Oy
*
* Author: Markku Rossi <mtr@ngs.fi>
*/
/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA
*/
/*
* $Source: /home/cvs/entity/libentitynjs/b_bool.c,v $
* $Id: b_bool.c,v 1.4 2000/07/25 05:25:55 imain Exp $
*/
#include "njs/internal.h"
/*
* Static functions.
*/
/* Global method proc. */
static void
global_method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info,
void *instance_context, JSNode *result_return,
JSNode *args)
{
result_return->type = JS_BOOLEAN;
if (args->u.vinteger == 0)
result_return->u.vboolean = 0;
else if (args->u.vinteger == 1)
result_return->u.vboolean = js_vm_to_boolean (vm, &args[1]);
else
{
js_vm_set_err (vm, "Boolean(): illegal amount of arguments");
js_vm_error (vm);
}
}
/* Method proc. */
static int
method (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info,
void *instance_context, JSSymbol method, JSNode *result_return,
JSNode *args)
{
JSNode *n = instance_context;
char *cp;
if (method == vm->syms.s_toString)
{
if (args->u.vinteger != 0)
{
js_vm_set_err (vm, "Boolean.%s(): illegal amount of arguments",
js_vm_symname (vm, method));
js_vm_error (vm);
}
if (n)
{
cp = n->u.vboolean ? "true" : "false";
js_vm_make_static_string (vm, result_return, cp, strlen (cp));
}
else
js_vm_make_static_string (vm, result_return, "Boolean", 7);
}
/* ********************************************************************** */
else if (method == vm->syms.s_valueOf)
{
if (n)
JS_COPY (result_return, n);
else
{
n = &vm->globals[js_vm_intern (vm, "Boolean")];
JS_COPY (result_return, n);
}
}
/* ********************************************************************** */
else
return JS_PROPERTY_UNKNOWN;
return JS_PROPERTY_FOUND;
}
/* Property proc. */
static int
property (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info,
void *instance_context, JSSymbol property, int set, JSNode *node)
{
if (!set)
node->type = JS_UNDEFINED;
return JS_PROPERTY_UNKNOWN;
}
/* New proc. */
static void
new_proc (JSVirtualMachine *vm, JSBuiltinInfo *builtin_info, JSNode *args,
JSNode *result_return)
{
result_return->type = JS_BOOLEAN;
if (args->u.vinteger == 0)
result_return->u.vboolean = 0;
else if (args->u.vinteger == 1)
result_return->u.vboolean = js_vm_to_boolean (vm, &args[1]);
else
{
js_vm_set_err (vm, "new Boolean(): illegal amount of arguments");
js_vm_error (vm);
}
/* Set the [[Prototype]] and [[Class]] properties. */
/* XXX 15.10.2.1 */
}
/*
* Global functions.
*/
void
js_builtin_Boolean (JSVirtualMachine *vm)
{
JSNode *n;
JSBuiltinInfo *info;
info = js_vm_builtin_info_create (vm);
vm->prim[JS_BOOLEAN] = info;
info->global_method_proc = global_method;
info->method_proc = method;
info->property_proc = property;
info->new_proc = new_proc;
/* Define it. */
n = &vm->globals[js_vm_intern (vm, "Boolean")];
js_vm_builtin_create (vm, n, info, NULL);
}
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