From 9163aaebb670bd87e6ef71beaf24999c926217eb Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Sun, 1 Dec 2019 13:34:22 -0500
Subject: Bug 1343481 - Part 1: Remove
 {JSFunction,JSScript,LazyScript}.isGenerator() method.

Tag #1287
---
 js/src/frontend/Parser.h | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'js/src/frontend/Parser.h')

diff --git a/js/src/frontend/Parser.h b/js/src/frontend/Parser.h
index 88d2dad18..33fe345d6 100644
--- a/js/src/frontend/Parser.h
+++ b/js/src/frontend/Parser.h
@@ -496,10 +496,6 @@ class ParseContext : public Nestable<ParseContext>
         return sc_->isFunctionBox() ? sc_->asFunctionBox()->generatorKind() : NotGenerator;
     }
 
-    bool isGenerator() const {
-        return generatorKind() != NotGenerator;
-    }
-
     bool isLegacyGenerator() const {
         return generatorKind() == LegacyGenerator;
     }
@@ -512,6 +508,10 @@ class ParseContext : public Nestable<ParseContext>
         return sc_->isFunctionBox() && sc_->asFunctionBox()->isAsync();
     }
 
+    bool needsDotGeneratorName() const {
+        return isStarGenerator() || isLegacyGenerator() || isAsync();
+    }
+
     FunctionAsyncKind asyncKind() const {
         return isAsync() ? AsyncFunction : SyncFunction;
     }
@@ -818,7 +818,9 @@ class ParserBase : public StrictModeGetter
     // whether it's prohibited due to strictness, JS version, or occurrence
     // inside a star generator.
     bool yieldExpressionsSupported() {
-        return (versionNumber() >= JSVERSION_1_7 || pc->isGenerator()) && !pc->isAsync();
+        return (versionNumber() >= JSVERSION_1_7 && !pc->isAsync()) ||
+               pc->isStarGenerator() ||
+               pc->isLegacyGenerator();
     }
 
     virtual bool strictMode() { return pc->sc()->strict(); }
-- 
cgit v1.2.3


From 79b5eb14bc5f8495d20147957cda5f4e5fc8186a Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Fri, 13 Dec 2019 20:55:24 -0500
Subject: Bug 1343481 - Part 7: Add BytecodeEmitter::emitDotGenerator and make
 yield/await nodes unary.

Tag #1287
---
 js/src/frontend/Parser.h | 2 --
 1 file changed, 2 deletions(-)

(limited to 'js/src/frontend/Parser.h')

diff --git a/js/src/frontend/Parser.h b/js/src/frontend/Parser.h
index 33fe345d6..73c2817f4 100644
--- a/js/src/frontend/Parser.h
+++ b/js/src/frontend/Parser.h
@@ -1110,8 +1110,6 @@ class Parser final : public ParserBase, private JS::AutoGCRooter
 
     inline Node newName(PropertyName* name);
     inline Node newName(PropertyName* name, TokenPos pos);
-    inline Node newYieldExpression(uint32_t begin, Node expr, bool isYieldStar = false);
-    inline Node newAwaitExpression(uint32_t begin, Node expr);
 
     inline bool abortIfSyntaxParser();
 
-- 
cgit v1.2.3


From 5bdfdb678d4063f77392d5029b9803c8cdc6f248 Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Sat, 14 Dec 2019 09:22:48 -0500
Subject: Bug 1331092 - Part 9: Implement for-await-of.

Tag #1287
---
 js/src/frontend/Parser.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'js/src/frontend/Parser.h')

diff --git a/js/src/frontend/Parser.h b/js/src/frontend/Parser.h
index 73c2817f4..243a77083 100644
--- a/js/src/frontend/Parser.h
+++ b/js/src/frontend/Parser.h
@@ -12,6 +12,7 @@
 #include "mozilla/Array.h"
 #include "mozilla/Maybe.h"
 
+#include "jsiter.h"
 #include "jspubtd.h"
 
 #include "frontend/BytecodeCompiler.h"
@@ -1196,6 +1197,7 @@ class Parser final : public ParserBase, private JS::AutoGCRooter
 
     Node forStatement(YieldHandling yieldHandling);
     bool forHeadStart(YieldHandling yieldHandling,
+                      IteratorKind iterKind,
                       ParseNodeKind* forHeadKind,
                       Node* forInitialPart,
                       mozilla::Maybe<ParseContext::Scope>& forLetImpliedScope,
-- 
cgit v1.2.3