Add support for yield*

Change-Id: I5b054b59519ed825459a5b0b0a7cd2c6fc8a3797
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/qml/jit/qv4baselinejit.cpp b/src/qml/jit/qv4baselinejit.cpp
index baaab75158..1e77c1a001 100644
--- a/src/qml/jit/qv4baselinejit.cpp
+++ b/src/qml/jit/qv4baselinejit.cpp
@@ -400,6 +400,12 @@ void BaselineJIT::generate_Yield()
     Q_UNREACHABLE();
 }
 
+void BaselineJIT::generate_YieldStar()
+{
+    // #####
+    Q_UNREACHABLE();
+}
+
 void BaselineJIT::generate_Resume(int)
 {
     // #####
@@ -694,6 +700,18 @@ void BaselineJIT::generate_IteratorNext(int value, int done)
     as->checkException();
 }
 
+void BaselineJIT::generate_IteratorNextForYieldStar(int iterator, int object)
+{
+    as->saveAccumulatorInFrame();
+    as->prepareCallWithArgCount(4);
+    as->passJSSlotAsArg(object, 3);
+    as->passJSSlotAsArg(iterator, 2);
+    as->passAccumulatorAsArg(1);
+    as->passEngineAsArg(0);
+    BASELINEJIT_GENERATE_RUNTIME_CALL(Runtime::method_iteratorNextForYieldStar, CallResultDestination::InAccumulator);
+    as->checkException();
+}
+
 void BaselineJIT::generate_IteratorClose(int done)
 {
     as->saveAccumulatorInFrame();
diff --git a/src/qml/jit/qv4baselinejit_p.h b/src/qml/jit/qv4baselinejit_p.h
index f9c876a1e9..d4c1b074f6 100644
--- a/src/qml/jit/qv4baselinejit_p.h
+++ b/src/qml/jit/qv4baselinejit_p.h
@@ -117,6 +117,7 @@ public:
                                             int captureRequired) override;
     void generate_LoadIdObject(int index, int base) override;
     void generate_Yield() override;
+    void generate_YieldStar() override;
     void generate_Resume(int) override;
 
     void generate_CallValue(int name, int argc, int argv) override;
@@ -149,6 +150,7 @@ public:
     void generate_PopContext() override;
     void generate_GetIterator(int iterator) override;
     void generate_IteratorNext(int value, int done) override;
+    void generate_IteratorNextForYieldStar(int iterator, int object) override;
     void generate_IteratorClose(int done) override;
     void generate_DestructureRestElement() override;
     void generate_DeleteProperty(int base, int index) override;