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| author | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-03-19 15:47:10 +0100 |
|---|---|---|
| committer | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-03-19 15:47:10 +0100 |
| commit | 5ef44cf6484b9dfd49c0174ac2969a29587a1bbd (patch) | |
| tree | ef1e8a83106f6b54504dbe3b29554ef7b349a1bb /js/src/frontend/ParseNode.cpp | |
| parent | 6822460d3b0d4609ee5d4e1ab4b093799ed06580 (diff) | |
| download | UXP-5ef44cf6484b9dfd49c0174ac2969a29587a1bbd.tar UXP-5ef44cf6484b9dfd49c0174ac2969a29587a1bbd.tar.gz UXP-5ef44cf6484b9dfd49c0174ac2969a29587a1bbd.tar.lz UXP-5ef44cf6484b9dfd49c0174ac2969a29587a1bbd.tar.xz UXP-5ef44cf6484b9dfd49c0174ac2969a29587a1bbd.zip | |
Part 1: Implement ES6 function name property semantics
Issue #78
Diffstat (limited to 'js/src/frontend/ParseNode.cpp')
| -rw-r--r-- | js/src/frontend/ParseNode.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/frontend/ParseNode.cpp b/js/src/frontend/ParseNode.cpp index f79baba9e..ece3a45df 100644 --- a/js/src/frontend/ParseNode.cpp +++ b/js/src/frontend/ParseNode.cpp @@ -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; +} |