The Tor Browser / file comparison
comparison: js/src/vm/ArgumentsObject-inl.h
js/src/vm/ArgumentsObject-inl.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
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| -1:000000000000 | 0:f62974a29e12 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef vm_ArgumentsObject_inl_h | |
| 8 #define vm_ArgumentsObject_inl_h | |
| 9 | |
| 10 #include "vm/ArgumentsObject.h" | |
| 11 | |
| 12 #include "vm/ScopeObject.h" | |
| 13 | |
| 14 #include "jsscriptinlines.h" | |
| 15 | |
| 16 #include "vm/ScopeObject-inl.h" | |
| 17 | |
| 18 namespace js { | |
| 19 | |
| 20 inline const Value & | |
| 21 ArgumentsObject::element(uint32_t i) const | |
| 22 { | |
| 23 JS_ASSERT(!isElementDeleted(i)); | |
| 24 const Value &v = data()->args[i]; | |
| 25 if (v.isMagic()) { | |
| 26 CallObject &callobj = getFixedSlot(MAYBE_CALL_SLOT).toObject().as<CallObject>(); | |
| 27 return callobj.aliasedVarFromArguments(v); | |
| 28 } | |
| 29 return v; | |
| 30 } | |
| 31 | |
| 32 inline void | |
| 33 ArgumentsObject::setElement(JSContext *cx, uint32_t i, const Value &v) | |
| 34 { | |
| 35 JS_ASSERT(!isElementDeleted(i)); | |
| 36 HeapValue &lhs = data()->args[i]; | |
| 37 if (lhs.isMagic()) { | |
| 38 uint32_t slot = lhs.magicUint32(); | |
| 39 CallObject &callobj = getFixedSlot(MAYBE_CALL_SLOT).toObject().as<CallObject>(); | |
| 40 for (Shape::Range<NoGC> r(callobj.lastProperty()); !r.empty(); r.popFront()) { | |
| 41 if (r.front().slot() == slot) { | |
| 42 callobj.setAliasedVarFromArguments(cx, lhs, r.front().propid(), v); | |
| 43 return; | |
| 44 } | |
| 45 } | |
| 46 MOZ_ASSUME_UNREACHABLE("Bad Arguments::setElement"); | |
| 47 } | |
| 48 lhs = v; | |
| 49 } | |
| 50 | |
| 51 inline bool | |
| 52 ArgumentsObject::maybeGetElements(uint32_t start, uint32_t count, Value *vp) | |
| 53 { | |
| 54 JS_ASSERT(start + count >= start); | |
| 55 | |
| 56 uint32_t length = initialLength(); | |
| 57 if (start > length || start + count > length || isAnyElementDeleted()) | |
| 58 return false; | |
| 59 | |
| 60 for (uint32_t i = start, end = start + count; i < end; ++i, ++vp) | |
| 61 *vp = element(i); | |
| 62 return true; | |
| 63 } | |
| 64 | |
| 65 } /* namespace js */ | |
| 66 | |
| 67 #endif /* vm_ArgumentsObject_inl_h */ |
