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Unified Diff: src/scopes.h

Issue 885243002: Implement parsing of ES6 Rest Parameters (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: [parsing]: eval/arguments parameter names are ok in sloppy mode Created 5 years, 10 months ago
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Index: src/scopes.h
diff --git a/src/scopes.h b/src/scopes.h
index 56a7ee97657148e430de38d8344f37cb5d2ec4cf..2b9ece2ad0bfabc6b0272242852d48b256ef4ea5 100644
--- a/src/scopes.h
+++ b/src/scopes.h
@@ -467,6 +467,14 @@ class Scope: public ZoneObject {
return variables_.Lookup(name) != NULL;
}
+ bool IsDeclaredParameter(const AstRawString* name) {
+ // If IsSimpleParameterList is false, duplicate parameters are not allowed,
+ // however `arguments` may be allowed if function is not strict code. Thus,
+ // the assumptions explained above do not hold.
+ Variable* var = variables_.Lookup(name);
+ return var != NULL && params_.Contains(var);
+ }
+
// ---------------------------------------------------------------------------
// Debugging.
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