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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-03-20 10:08:54 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-03-20 10:10:12 +0100 |
| commit | 893a886ea38853a1a3e97bcf135ea3cb616cd69a (patch) | |
| tree | 5188f8895ce513381917d37115b50f72fb4e64a9 /js/src/frontend/ParseNode.cpp | |
| parent | 7197b308fb97cd8ab7a972df6a3a17a7a265b594 (diff) | |
| parent | 6085bfdcecc2529c1037f813e70583c2a776677d (diff) | |
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Add support for the function `name` property.
This resolves #78.
Merged remote-tracking branch 'janek/js_function_name_1'
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; +} |