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Diffstat (limited to 'src/third_party/js-1.7/jsatom.h')
| -rw-r--r-- | src/third_party/js-1.7/jsatom.h | 456 |
1 files changed, 0 insertions, 456 deletions
diff --git a/src/third_party/js-1.7/jsatom.h b/src/third_party/js-1.7/jsatom.h deleted file mode 100644 index 4fb3d8d5188..00000000000 --- a/src/third_party/js-1.7/jsatom.h +++ /dev/null @@ -1,456 +0,0 @@ -/* -*- 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 ***** */ - -#ifndef jsatom_h___ -#define jsatom_h___ -/* - * JS atom table. - */ -#include <stddef.h> -#include "jstypes.h" -#include "jshash.h" /* Added by JSIFY */ -#include "jsapi.h" -#include "jsprvtd.h" -#include "jspubtd.h" - -#ifdef JS_THREADSAFE -#include "jslock.h" -#endif - -JS_BEGIN_EXTERN_C - -#define ATOM_PINNED 0x01 /* atom is pinned against GC */ -#define ATOM_INTERNED 0x02 /* pinned variant for JS_Intern* API */ -#define ATOM_MARK 0x04 /* atom is reachable via GC */ -#define ATOM_HIDDEN 0x08 /* atom is in special hidden subspace */ -#define ATOM_NOCOPY 0x40 /* don't copy atom string bytes */ -#define ATOM_TMPSTR 0x80 /* internal, to avoid extra string */ - -struct JSAtom { - JSHashEntry entry; /* key is jsval or unhidden atom - if ATOM_HIDDEN */ - uint32 flags; /* pinned, interned, and mark flags */ - jsatomid number; /* atom serial number and hash code */ -}; - -#define ATOM_KEY(atom) ((jsval)(atom)->entry.key) -#define ATOM_IS_OBJECT(atom) JSVAL_IS_OBJECT(ATOM_KEY(atom)) -#define ATOM_TO_OBJECT(atom) JSVAL_TO_OBJECT(ATOM_KEY(atom)) -#define ATOM_IS_INT(atom) JSVAL_IS_INT(ATOM_KEY(atom)) -#define ATOM_TO_INT(atom) JSVAL_TO_INT(ATOM_KEY(atom)) -#define ATOM_IS_DOUBLE(atom) JSVAL_IS_DOUBLE(ATOM_KEY(atom)) -#define ATOM_TO_DOUBLE(atom) JSVAL_TO_DOUBLE(ATOM_KEY(atom)) -#define ATOM_IS_STRING(atom) JSVAL_IS_STRING(ATOM_KEY(atom)) -#define ATOM_TO_STRING(atom) JSVAL_TO_STRING(ATOM_KEY(atom)) -#define ATOM_IS_BOOLEAN(atom) JSVAL_IS_BOOLEAN(ATOM_KEY(atom)) -#define ATOM_TO_BOOLEAN(atom) JSVAL_TO_BOOLEAN(ATOM_KEY(atom)) - -/* - * Return a printable, lossless char[] representation of a string-type atom. - * The lifetime of the result extends at least until the next GC activation, - * longer if cx's string newborn root is not overwritten. - */ -extern JS_FRIEND_API(const char *) -js_AtomToPrintableString(JSContext *cx, JSAtom *atom); - -struct JSAtomListElement { - JSHashEntry entry; -}; - -#define ALE_ATOM(ale) ((JSAtom *) (ale)->entry.key) -#define ALE_INDEX(ale) ((jsatomid) JS_PTR_TO_UINT32((ale)->entry.value)) -#define ALE_JSOP(ale) ((JSOp) (ale)->entry.value) -#define ALE_VALUE(ale) ((jsval) (ale)->entry.value) -#define ALE_NEXT(ale) ((JSAtomListElement *) (ale)->entry.next) - -#define ALE_SET_ATOM(ale,atom) ((ale)->entry.key = (const void *)(atom)) -#define ALE_SET_INDEX(ale,index)((ale)->entry.value = JS_UINT32_TO_PTR(index)) -#define ALE_SET_JSOP(ale,op) ((ale)->entry.value = JS_UINT32_TO_PTR(op)) -#define ALE_SET_VALUE(ale,val) ((ale)->entry.value = (JSHashEntry *)(val)) -#define ALE_SET_NEXT(ale,link) ((ale)->entry.next = (JSHashEntry *)(link)) - -struct JSAtomList { - JSAtomListElement *list; /* literals indexed for mapping */ - JSHashTable *table; /* hash table if list gets too long */ - jsuint count; /* count of indexed literals */ -}; - -#define ATOM_LIST_INIT(al) ((al)->list = NULL, (al)->table = NULL, \ - (al)->count = 0) - -#define ATOM_LIST_SEARCH(_ale,_al,_atom) \ - JS_BEGIN_MACRO \ - JSHashEntry **_hep; \ - ATOM_LIST_LOOKUP(_ale, _hep, _al, _atom); \ - JS_END_MACRO - -#define ATOM_LIST_LOOKUP(_ale,_hep,_al,_atom) \ - JS_BEGIN_MACRO \ - if ((_al)->table) { \ - _hep = JS_HashTableRawLookup((_al)->table, _atom->number, _atom); \ - _ale = *_hep ? (JSAtomListElement *) *_hep : NULL; \ - } else { \ - JSAtomListElement **_alep = &(_al)->list; \ - _hep = NULL; \ - while ((_ale = *_alep) != NULL) { \ - if (ALE_ATOM(_ale) == (_atom)) { \ - /* Hit, move atom's element to the front of the list. */ \ - *_alep = ALE_NEXT(_ale); \ - ALE_SET_NEXT(_ale, (_al)->list); \ - (_al)->list = _ale; \ - break; \ - } \ - _alep = (JSAtomListElement **)&_ale->entry.next; \ - } \ - } \ - JS_END_MACRO - -struct JSAtomMap { - JSAtom **vector; /* array of ptrs to indexed atoms */ - jsatomid length; /* count of (to-be-)indexed atoms */ -}; - -struct JSAtomState { - JSRuntime *runtime; /* runtime that owns us */ - JSHashTable *table; /* hash table containing all atoms */ - jsatomid number; /* one beyond greatest atom number */ - jsatomid liveAtoms; /* number of live atoms after last GC */ - - /* The rt->emptyString atom, see jsstr.c's js_InitRuntimeStringState. */ - JSAtom *emptyAtom; - - /* Type names and value literals. */ - JSAtom *typeAtoms[JSTYPE_LIMIT]; - JSAtom *booleanAtoms[2]; - JSAtom *nullAtom; - - /* Standard class constructor or prototype names. */ - JSAtom *classAtoms[JSProto_LIMIT]; - - /* Various built-in or commonly-used atoms, pinned on first context. */ - JSAtom *anonymousAtom; - JSAtom *argumentsAtom; - JSAtom *arityAtom; - JSAtom *calleeAtom; - JSAtom *callerAtom; - JSAtom *classPrototypeAtom; - JSAtom *closeAtom; - JSAtom *constructorAtom; - JSAtom *countAtom; - JSAtom *eachAtom; - JSAtom *etagoAtom; - JSAtom *evalAtom; - JSAtom *fileNameAtom; - JSAtom *getAtom; - JSAtom *getterAtom; - JSAtom *indexAtom; - JSAtom *inputAtom; - JSAtom *iteratorAtom; - JSAtom *lengthAtom; - JSAtom *lineNumberAtom; - JSAtom *messageAtom; - JSAtom *nameAtom; - JSAtom *namespaceAtom; - JSAtom *nextAtom; - JSAtom *noSuchMethodAtom; - JSAtom *parentAtom; - JSAtom *protoAtom; - JSAtom *ptagcAtom; - JSAtom *qualifierAtom; - JSAtom *setAtom; - JSAtom *setterAtom; - JSAtom *spaceAtom; - JSAtom *stackAtom; - JSAtom *stagoAtom; - JSAtom *starAtom; - JSAtom *starQualifierAtom; - JSAtom *tagcAtom; - JSAtom *toLocaleStringAtom; - JSAtom *toSourceAtom; - JSAtom *toStringAtom; - JSAtom *valueOfAtom; - JSAtom *xmlAtom; - - /* Less frequently used atoms, pinned lazily by JS_ResolveStandardClass. */ - struct { - JSAtom *InfinityAtom; - JSAtom *NaNAtom; - JSAtom *XMLListAtom; - JSAtom *decodeURIAtom; - JSAtom *decodeURIComponentAtom; - JSAtom *defineGetterAtom; - JSAtom *defineSetterAtom; - JSAtom *encodeURIAtom; - JSAtom *encodeURIComponentAtom; - JSAtom *escapeAtom; - JSAtom *functionNamespaceURIAtom; - JSAtom *hasOwnPropertyAtom; - JSAtom *isFiniteAtom; - JSAtom *isNaNAtom; - JSAtom *isPrototypeOfAtom; - JSAtom *isXMLNameAtom; - JSAtom *lookupGetterAtom; - JSAtom *lookupSetterAtom; - JSAtom *parseFloatAtom; - JSAtom *parseIntAtom; - JSAtom *propertyIsEnumerableAtom; - JSAtom *unescapeAtom; - JSAtom *unevalAtom; - JSAtom *unwatchAtom; - JSAtom *watchAtom; - } lazy; - -#ifdef JS_THREADSAFE - JSThinLock lock; - volatile uint32 tablegen; -#endif -#ifdef NARCISSUS - JSAtom *callAtom; - JSAtom *constructAtom; - JSAtom *hasInstanceAtom; - JSAtom *ExecutionContextAtom; - JSAtom *currentAtom; -#endif -}; - -#define CLASS_ATOM(cx,name) \ - ((cx)->runtime->atomState.classAtoms[JSProto_##name]) - -/* Well-known predefined strings and their atoms. */ -extern const char *js_type_strs[]; -extern const char *js_boolean_strs[]; -extern const char *js_proto_strs[]; - -#define JS_PROTO(name,code,init) extern const char js_##name##_str[]; -#include "jsproto.tbl" -#undef JS_PROTO - -extern const char js_anonymous_str[]; -extern const char js_arguments_str[]; -extern const char js_arity_str[]; -extern const char js_callee_str[]; -extern const char js_caller_str[]; -extern const char js_class_prototype_str[]; -extern const char js_close_str[]; -extern const char js_constructor_str[]; -extern const char js_count_str[]; -extern const char js_etago_str[]; -extern const char js_each_str[]; -extern const char js_eval_str[]; -extern const char js_fileName_str[]; -extern const char js_get_str[]; -extern const char js_getter_str[]; -extern const char js_index_str[]; -extern const char js_input_str[]; -extern const char js_iterator_str[]; -extern const char js_length_str[]; -extern const char js_lineNumber_str[]; -extern const char js_message_str[]; -extern const char js_name_str[]; -extern const char js_namespace_str[]; -extern const char js_next_str[]; -extern const char js_noSuchMethod_str[]; -extern const char js_object_str[]; -extern const char js_parent_str[]; -extern const char js_private_str[]; -extern const char js_proto_str[]; -extern const char js_ptagc_str[]; -extern const char js_qualifier_str[]; -extern const char js_send_str[]; -extern const char js_setter_str[]; -extern const char js_set_str[]; -extern const char js_space_str[]; -extern const char js_stack_str[]; -extern const char js_stago_str[]; -extern const char js_star_str[]; -extern const char js_starQualifier_str[]; -extern const char js_tagc_str[]; -extern const char js_toSource_str[]; -extern const char js_toString_str[]; -extern const char js_toLocaleString_str[]; -extern const char js_valueOf_str[]; -extern const char js_xml_str[]; - -#ifdef NARCISSUS -extern const char js_call_str[]; -extern const char js_construct_str[]; -extern const char js_hasInstance_str[]; -extern const char js_ExecutionContext_str[]; -extern const char js_current_str[]; -#endif - -/* - * Initialize atom state. Return true on success, false with an out of - * memory error report on failure. - */ -extern JSBool -js_InitAtomState(JSContext *cx, JSAtomState *state); - -/* - * Free and clear atom state (except for any interned string atoms). - */ -extern void -js_FreeAtomState(JSContext *cx, JSAtomState *state); - -/* - * Interned strings are atoms that live until state's runtime is destroyed. - * This function frees all interned string atoms, and then frees and clears - * state's members (just as js_FreeAtomState does), unless there aren't any - * interned strings in state -- in which case state must be "free" already. - * - * NB: js_FreeAtomState is called for each "last" context being destroyed in - * a runtime, where there may yet be another context created in the runtime; - * whereas js_FinishAtomState is called from JS_DestroyRuntime, when we know - * that no more contexts will be created. Thus we minimize garbage during - * context-free episodes on a runtime, while preserving atoms created by the - * JS_Intern*String APIs for the life of the runtime. - */ -extern void -js_FinishAtomState(JSAtomState *state); - -/* - * Atom garbage collection hooks. - */ -typedef void -(*JSGCThingMarker)(void *thing, void *data); - -extern void -js_MarkAtomState(JSAtomState *state, JSBool keepAtoms, JSGCThingMarker mark, - void *data); - -extern void -js_SweepAtomState(JSAtomState *state); - -extern JSBool -js_InitPinnedAtoms(JSContext *cx, JSAtomState *state); - -extern void -js_UnpinPinnedAtoms(JSAtomState *state); - -/* - * Find or create the atom for an object. If we create a new atom, give it the - * type indicated in flags. Return 0 on failure to allocate memory. - */ -extern JSAtom * -js_AtomizeObject(JSContext *cx, JSObject *obj, uintN flags); - -/* - * Find or create the atom for a Boolean value. If we create a new atom, give - * it the type indicated in flags. Return 0 on failure to allocate memory. - */ -extern JSAtom * -js_AtomizeBoolean(JSContext *cx, JSBool b, uintN flags); - -/* - * Find or create the atom for an integer value. If we create a new atom, give - * it the type indicated in flags. Return 0 on failure to allocate memory. - */ -extern JSAtom * -js_AtomizeInt(JSContext *cx, jsint i, uintN flags); - -/* - * Find or create the atom for a double value. If we create a new atom, give - * it the type indicated in flags. Return 0 on failure to allocate memory. - */ -extern JSAtom * -js_AtomizeDouble(JSContext *cx, jsdouble d, uintN flags); - -/* - * Find or create the atom for a string. If we create a new atom, give it the - * type indicated in flags. Return 0 on failure to allocate memory. - */ -extern JSAtom * -js_AtomizeString(JSContext *cx, JSString *str, uintN flags); - -extern JS_FRIEND_API(JSAtom *) -js_Atomize(JSContext *cx, const char *bytes, size_t length, uintN flags); - -extern JS_FRIEND_API(JSAtom *) -js_AtomizeChars(JSContext *cx, const jschar *chars, size_t length, uintN flags); - -/* - * Return an existing atom for the given char array or null if the char - * sequence is currently not atomized. - */ -extern JSAtom * -js_GetExistingStringAtom(JSContext *cx, const jschar *chars, size_t length); - -/* - * This variant handles all value tag types. - */ -extern JSAtom * -js_AtomizeValue(JSContext *cx, jsval value, uintN flags); - -/* - * Convert v to an atomized string. - */ -extern JSAtom * -js_ValueToStringAtom(JSContext *cx, jsval v); - -/* - * Assign atom an index and insert it on al. - */ -extern JSAtomListElement * -js_IndexAtom(JSContext *cx, JSAtom *atom, JSAtomList *al); - -/* - * Get the atom with index i from map. - */ -extern JS_FRIEND_API(JSAtom *) -js_GetAtom(JSContext *cx, JSAtomMap *map, jsatomid i); - -/* - * For all unmapped atoms recorded in al, add a mapping from the atom's index - * to its address. The GC must not run until all indexed atoms in atomLists - * have been mapped by scripts connected to live objects (Function and Script - * class objects have scripts as/in their private data -- the GC knows about - * these two classes). - */ -extern JS_FRIEND_API(JSBool) -js_InitAtomMap(JSContext *cx, JSAtomMap *map, JSAtomList *al); - -/* - * Free map->vector and clear map. - */ -extern JS_FRIEND_API(void) -js_FreeAtomMap(JSContext *cx, JSAtomMap *map); - -JS_END_EXTERN_C - -#endif /* jsatom_h___ */ |