diff options
Diffstat (limited to 'js/src')
| -rw-r--r-- | js/src/frontend/BytecodeEmitter.cpp | 29 | ||||
| -rw-r--r-- | js/src/frontend/BytecodeEmitter.h | 4 | ||||
| -rw-r--r-- | js/src/frontend/ParseNode.h | 4 |
3 files changed, 6 insertions, 31 deletions
diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp index acf734794..ee26d0c43 100644 --- a/js/src/frontend/BytecodeEmitter.cpp +++ b/js/src/frontend/BytecodeEmitter.cpp @@ -6975,14 +6975,13 @@ BytecodeEmitter::emitFunction(ParseNode* pn, bool needsProto) RootedFunction fun(cx, funbox->function()); RootedAtom name(cx, fun->explicitName()); MOZ_ASSERT_IF(fun->isInterpretedLazy(), fun->lazyScript()); - MOZ_ASSERT_IF(pn->isOp(JSOP_FUNWITHPROTO), needsProto); /* * Set the |wasEmitted| flag in the funbox once the function has been * emitted. Function definitions that need hoisting to the top of the * function will be seen by emitFunction in two places. */ - if (funbox->wasEmitted && pn->functionIsHoisted()) { + if (funbox->wasEmitted) { // Annex B block-scoped functions are hoisted like any other // block-scoped function to the top of their scope. When their // definitions are seen for the second time, we need to emit the @@ -7111,7 +7110,7 @@ BytecodeEmitter::emitFunction(ParseNode* pn, bool needsProto) } if (needsProto) { - MOZ_ASSERT(pn->getOp() == JSOP_FUNWITHPROTO || pn->getOp() == JSOP_LAMBDA); + MOZ_ASSERT(pn->getOp() == JSOP_LAMBDA); pn->setOp(JSOP_FUNWITHPROTO); } @@ -10047,15 +10046,6 @@ CGConstList::finish(ConstArray* array) array->vector[i] = list[i]; } -bool -CGObjectList::isAdded(ObjectBox* objbox) -{ - // An objbox added to CGObjectList as non-first element has non-null - // emitLink member. The first element has null emitLink. - // Check for firstbox to cover the first element. - return objbox->emitLink || objbox == firstbox; -} - /* * Find the index of the given object for code generator. * @@ -10067,15 +10057,9 @@ CGObjectList::isAdded(ObjectBox* objbox) unsigned CGObjectList::add(ObjectBox* objbox) { - if (isAdded(objbox)) - return indexOf(objbox->object); - + MOZ_ASSERT(!objbox->emitLink); objbox->emitLink = lastbox; lastbox = objbox; - - // See the comment in CGObjectList::isAdded. - if (!firstbox) - firstbox = objbox; return length++; } @@ -10102,12 +10086,7 @@ CGObjectList::finish(ObjectArray* array) MOZ_ASSERT(!*cursor); MOZ_ASSERT(objbox->object->isTenured()); *cursor = objbox->object; - - ObjectBox* tmp = objbox->emitLink; - // Clear emitLink for CGObjectList::isAdded. - objbox->emitLink = nullptr; - objbox = tmp; - } while (objbox != nullptr); + } while ((objbox = objbox->emitLink) != nullptr); MOZ_ASSERT(cursor == array->vector); } diff --git a/js/src/frontend/BytecodeEmitter.h b/js/src/frontend/BytecodeEmitter.h index 9a2ddb568..4b3750dd5 100644 --- a/js/src/frontend/BytecodeEmitter.h +++ b/js/src/frontend/BytecodeEmitter.h @@ -43,12 +43,10 @@ class CGConstList { struct CGObjectList { uint32_t length; /* number of emitted so far objects */ - ObjectBox* firstbox; /* first emitted object */ ObjectBox* lastbox; /* last emitted object */ - CGObjectList() : length(0), firstbox(nullptr), lastbox(nullptr) {} + CGObjectList() : length(0), lastbox(nullptr) {} - bool isAdded(ObjectBox* objbox); unsigned add(ObjectBox* objbox); unsigned indexOf(JSObject* obj); void finish(ObjectArray* array); diff --git a/js/src/frontend/ParseNode.h b/js/src/frontend/ParseNode.h index ff26279af..c58dab431 100644 --- a/js/src/frontend/ParseNode.h +++ b/js/src/frontend/ParseNode.h @@ -649,14 +649,12 @@ class ParseNode MOZ_ASSERT(pn_arity == PN_CODE && getKind() == PNK_FUNCTION); MOZ_ASSERT(isOp(JSOP_LAMBDA) || // lambda, genexpr isOp(JSOP_LAMBDA_ARROW) || // arrow function - isOp(JSOP_FUNWITHPROTO) || // already emitted lambda with needsProto isOp(JSOP_DEFFUN) || // non-body-level function statement isOp(JSOP_NOP) || // body-level function stmt in global code isOp(JSOP_GETLOCAL) || // body-level function stmt in function code isOp(JSOP_GETARG) || // body-level function redeclaring formal isOp(JSOP_INITLEXICAL)); // block-level function stmt - return !isOp(JSOP_LAMBDA) && !isOp(JSOP_LAMBDA_ARROW) && - !isOp(JSOP_FUNWITHPROTO) && !isOp(JSOP_DEFFUN); + return !isOp(JSOP_LAMBDA) && !isOp(JSOP_LAMBDA_ARROW) && !isOp(JSOP_DEFFUN); } /* |