diff options
Diffstat (limited to 'tools/node_modules/expresso/deps/jscoverage/js/jsbool.cpp')
-rw-r--r-- | tools/node_modules/expresso/deps/jscoverage/js/jsbool.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/tools/node_modules/expresso/deps/jscoverage/js/jsbool.cpp b/tools/node_modules/expresso/deps/jscoverage/js/jsbool.cpp new file mode 100644 index 0000000..9167fa1 --- /dev/null +++ b/tools/node_modules/expresso/deps/jscoverage/js/jsbool.cpp @@ -0,0 +1,182 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * JS boolean implementation. + */ +#include "jsstddef.h" +#include "jstypes.h" +#include "jsutil.h" /* Added by JSIFY */ +#include "jsapi.h" +#include "jsatom.h" +#include "jsbool.h" +#include "jscntxt.h" +#include "jsversion.h" +#include "jsinterp.h" +#include "jslock.h" +#include "jsnum.h" +#include "jsobj.h" +#include "jsstr.h" + +/* Check pseudo-booleans values. */ +JS_STATIC_ASSERT(JSVAL_VOID == JSVAL_TRUE + JSVAL_ALIGN); +JS_STATIC_ASSERT(JSVAL_HOLE == JSVAL_VOID + JSVAL_ALIGN); +JS_STATIC_ASSERT(JSVAL_ARETURN == JSVAL_HOLE + JSVAL_ALIGN); + +JSClass js_BooleanClass = { + "Boolean", + JSCLASS_HAS_PRIVATE | JSCLASS_HAS_CACHED_PROTO(JSProto_Boolean), + JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, + JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub, + JSCLASS_NO_OPTIONAL_MEMBERS +}; + +#if JS_HAS_TOSOURCE +#include "jsprf.h" + +static JSBool +bool_toSource(JSContext *cx, uintN argc, jsval *vp) +{ + jsval v; + char buf[32]; + JSString *str; + + if (!js_GetPrimitiveThis(cx, vp, &js_BooleanClass, &v)) + return JS_FALSE; + JS_ASSERT(JSVAL_IS_BOOLEAN(v)); + JS_snprintf(buf, sizeof buf, "(new %s(%s))", + js_BooleanClass.name, + JS_BOOLEAN_STR(JSVAL_TO_BOOLEAN(v))); + str = JS_NewStringCopyZ(cx, buf); + if (!str) + return JS_FALSE; + *vp = STRING_TO_JSVAL(str); + return JS_TRUE; +} +#endif + +static JSBool +bool_toString(JSContext *cx, uintN argc, jsval *vp) +{ + jsval v; + JSAtom *atom; + JSString *str; + + if (!js_GetPrimitiveThis(cx, vp, &js_BooleanClass, &v)) + return JS_FALSE; + JS_ASSERT(JSVAL_IS_BOOLEAN(v)); + atom = cx->runtime->atomState.booleanAtoms[JSVAL_TO_BOOLEAN(v) ? 1 : 0]; + str = ATOM_TO_STRING(atom); + if (!str) + return JS_FALSE; + *vp = STRING_TO_JSVAL(str); + return JS_TRUE; +} + +static JSBool +bool_valueOf(JSContext *cx, uintN argc, jsval *vp) +{ + return js_GetPrimitiveThis(cx, vp, &js_BooleanClass, vp); +} + +static JSFunctionSpec boolean_methods[] = { +#if JS_HAS_TOSOURCE + JS_FN(js_toSource_str, bool_toSource, 0, JSFUN_THISP_BOOLEAN), +#endif + JS_FN(js_toString_str, bool_toString, 0, JSFUN_THISP_BOOLEAN), + JS_FN(js_valueOf_str, bool_valueOf, 0, JSFUN_THISP_BOOLEAN), + JS_FN(js_toJSON_str, bool_valueOf, 0, JSFUN_THISP_BOOLEAN), + JS_FS_END +}; + +static JSBool +Boolean(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) +{ + jsval bval; + + bval = (argc != 0) + ? BOOLEAN_TO_JSVAL(js_ValueToBoolean(argv[0])) + : JSVAL_FALSE; + if (!(cx->fp->flags & JSFRAME_CONSTRUCTING)) { + *rval = bval; + return JS_TRUE; + } + STOBJ_SET_SLOT(obj, JSSLOT_PRIVATE, bval); + return JS_TRUE; +} + +JSObject * +js_InitBooleanClass(JSContext *cx, JSObject *obj) +{ + JSObject *proto; + + proto = JS_InitClass(cx, obj, NULL, &js_BooleanClass, Boolean, 1, + NULL, boolean_methods, NULL, NULL); + if (!proto) + return NULL; + STOBJ_SET_SLOT(proto, JSSLOT_PRIVATE, JSVAL_FALSE); + return proto; +} + +JSString * +js_BooleanToString(JSContext *cx, JSBool b) +{ + return ATOM_TO_STRING(cx->runtime->atomState.booleanAtoms[b ? 1 : 0]); +} + +JSBool +js_ValueToBoolean(jsval v) +{ + if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v)) + return JS_FALSE; + if (JSVAL_IS_OBJECT(v)) + return JS_TRUE; + if (JSVAL_IS_STRING(v)) + return JSSTRING_LENGTH(JSVAL_TO_STRING(v)) != 0; + if (JSVAL_IS_INT(v)) + return JSVAL_TO_INT(v) != 0; + if (JSVAL_IS_DOUBLE(v)) { + jsdouble d; + + d = *JSVAL_TO_DOUBLE(v); + return !JSDOUBLE_IS_NaN(d) && d != 0; + } + JS_ASSERT(JSVAL_IS_BOOLEAN(v)); + return JSVAL_TO_BOOLEAN(v); +} |