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Part 1: Implement ES6 function name property semantics

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Issue #78
This commit is contained in:
janekptacijarabaci 2018-03-19 15:47:10 +01:00 • committed by Roy Tam
commit 748c69d7fd
30 changed files with 750 additions and 81 deletions
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18
js/src/frontend/ParseNode.cpp
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@ -902,3 +902,21 @@ FunctionBox::trace(JSTracer* trc)
if (enclosingScope_)
TraceRoot(trc, &enclosingScope_, "funbox-enclosingScope");
}
bool
js::frontend::IsAnonymousFunctionDefinition(ParseNode* pn)
{
// ES 2017 draft
// 12.15.2 (ArrowFunction, AsyncArrowFunction).
// 14.1.12 (FunctionExpression).
// 14.4.8 (GeneratorExpression).
// 14.6.8 (AsyncFunctionExpression)
if (pn->isKind(PNK_FUNCTION) && !pn->pn_funbox->function()->explicitName())
return true;
// 14.5.8 (ClassExpression)
if (pn->is<ClassNode>() && !pn->as<ClassNode>().names())
return true;
return false;
}