From e42379ebf53a41807791ee243bcebb83c3e2faed Mon Sep 17 00:00:00 2001
From: Kent Hansen <khansen@trolltech.com>
Date: Mon, 31 Aug 2009 10:15:35 +0200
Subject: implement functionExit() callbacks on the JIT

The return value is not reported (we need a separate callback for that,
just like in the interpreter), but that isn't important to get our
tools (i.e. the debugger) working.
---
 src/script/api/qscriptengineagent.cpp              | 11 ++++++
 src/script/api/qscriptengineagent_p.h              |  7 +---
 .../qscriptengineagent/tst_qscriptengineagent.cpp  | 44 +++++++++++++++-------
 3 files changed, 42 insertions(+), 20 deletions(-)

diff --git a/src/script/api/qscriptengineagent.cpp b/src/script/api/qscriptengineagent.cpp
index 193ee21..cf60bcb 100644
--- a/src/script/api/qscriptengineagent.cpp
+++ b/src/script/api/qscriptengineagent.cpp
@@ -142,6 +142,17 @@ void QScriptEngineAgentPrivate::detach()
     JSC::Debugger::detach(engine->originalGlobalObject());
 }
 
+void QScriptEngineAgentPrivate::returnEvent(const JSC::DebuggerCallFrame& frame, intptr_t sourceID, int lineno)
+{
+    Q_UNUSED(frame);
+    Q_UNUSED(lineno);
+#if ENABLE(JIT)
+    functionExit(JSC::JSValue(), sourceID);
+#else
+    Q_UNUSED(sourceID);
+#endif
+}
+
 void QScriptEngineAgentPrivate::exceptionThrow(const JSC::DebuggerCallFrame& frame, intptr_t sourceID, bool hasHandler)
 {
     JSC::CallFrame *oldFrame = engine->currentFrame;
diff --git a/src/script/api/qscriptengineagent_p.h b/src/script/api/qscriptengineagent_p.h
index 9ef1eaf..ba49af5 100644
--- a/src/script/api/qscriptengineagent_p.h
+++ b/src/script/api/qscriptengineagent_p.h
@@ -110,12 +110,7 @@ public:
         q_ptr->contextPush();
         q_ptr->functionEntry(sourceID);
     };
-    virtual void returnEvent(const JSC::DebuggerCallFrame& frame, intptr_t sourceID, int lineno)
-    {
-        Q_UNUSED(frame);
-        Q_UNUSED(sourceID);
-        Q_UNUSED(lineno);
-    }
+    virtual void returnEvent(const JSC::DebuggerCallFrame& frame, intptr_t sourceID, int lineno);
     virtual void willExecuteProgram(const JSC::DebuggerCallFrame& frame, intptr_t sourceID, int lineno)
     {
         Q_UNUSED(frame);
diff --git a/tests/auto/qscriptengineagent/tst_qscriptengineagent.cpp b/tests/auto/qscriptengineagent/tst_qscriptengineagent.cpp
index f515304..2504951 100644
--- a/tests/auto/qscriptengineagent/tst_qscriptengineagent.cpp
+++ b/tests/auto/qscriptengineagent/tst_qscriptengineagent.cpp
@@ -561,8 +561,6 @@ void tst_QScriptEngineAgent::functionEntryAndExit_functionCall()
         spy->clear();
         QVERIFY(eng.evaluate("(function() { return 123; } )()").toNumber()==123);
 
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "functionExit() is not called for JS functions when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 4);
 
         // evaluate() entry
@@ -576,7 +574,11 @@ void tst_QScriptEngineAgent::functionEntryAndExit_functionCall()
         // anonymous function exit
         QCOMPARE(spy->at(2).type, ScriptEngineEvent::FunctionExit);
         QCOMPARE(spy->at(2).scriptId, spy->at(0).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(2).value.isNumber());
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QCOMPARE(spy->at(2).value.toNumber(), qsreal(123));
 
         // evaluate() exit
@@ -598,8 +600,6 @@ void tst_QScriptEngineAgent::functionEntryAndExit_functionCallWithoutReturn()
         spy->clear();
         eng.evaluate("(function() { var a = 123; } )()");
 
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "functionExit() is not called for JS functions when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 4);
 
         // evaluate() entry
@@ -642,8 +642,6 @@ void tst_QScriptEngineAgent::functionEntryAndExit_functionDefinition()
         QVERIFY(spy->at(1).value.isUndefined());
 
         eng.evaluate("foo()");
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "functionExit() is not called for JS functions when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 6);
 
         // evaluate() entry
@@ -657,7 +655,11 @@ void tst_QScriptEngineAgent::functionEntryAndExit_functionDefinition()
         // foo() exit
         QCOMPARE(spy->at(4).type, ScriptEngineEvent::FunctionExit);
         QCOMPARE(spy->at(4).scriptId, spy->at(0).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(4).value.isNumber());
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QCOMPARE(spy->at(4).value.toNumber(), qsreal(456));
 
         // evaluate() exit
@@ -719,8 +721,6 @@ void tst_QScriptEngineAgent::functionEntryAndExit_native2()
 
         spy->clear();
         eng.evaluate("nativeFunctionCallingArg(function() { return 123; })");
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "functionExit() is not called for JS functions when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 6);
 
         // evaluate() entry
@@ -1035,8 +1035,6 @@ void tst_QScriptEngineAgent::functionEntryAndExit_call()
 
         spy->clear();
         fun.call();
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "functionExit() is not called for JS functions when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 2);
 
         // entry
@@ -1046,7 +1044,11 @@ void tst_QScriptEngineAgent::functionEntryAndExit_call()
         // exit
         QCOMPARE(spy->at(1).type, ScriptEngineEvent::FunctionExit);
         QCOMPARE(spy->at(1).scriptId, spy->at(0).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(1).value.isNumber());
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QCOMPARE(spy->at(1).value.toNumber(), qsreal(123));
     }
     delete spy;
@@ -1650,8 +1652,6 @@ void tst_QScriptEngineAgent::eventOrder_functionDefinition()
         QCOMPARE(spy->at(2).type, ScriptEngineEvent::FunctionExit);
 
         eng.evaluate("foo(123)");
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "Some events are missing when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 13);
         // load
         QCOMPARE(spy->at(3).type, ScriptEngineEvent::ScriptLoad);
@@ -1774,8 +1774,6 @@ void tst_QScriptEngineAgent::eventOrder_functions()
         QCOMPARE(spy->count(), 6);
 
         eng.evaluate("foo(123)");
-        if (qt_script_isJITEnabled())
-            QEXPECT_FAIL("", "Some events are missing when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 21);
 
         // load
@@ -1803,12 +1801,16 @@ void tst_QScriptEngineAgent::eventOrder_functions()
         // bar() exit
         QCOMPARE(spy->at(15).type, ScriptEngineEvent::FunctionExit);
         QCOMPARE(spy->at(15).scriptId, spy->at(3).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(15).value.isNumber());
         // restore context
         QCOMPARE(spy->at(16).type, ScriptEngineEvent::ContextPop);
         // foo() exit
         QCOMPARE(spy->at(17).type, ScriptEngineEvent::FunctionExit);
         QCOMPARE(spy->at(17).scriptId, spy->at(0).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(17).value.isNumber());
         // restore context
         QCOMPARE(spy->at(18).type, ScriptEngineEvent::ContextPop);
@@ -1873,21 +1875,33 @@ void tst_QScriptEngineAgent::eventOrder_functions()
         // bar() exit
         QCOMPARE(spy->at(39).type, ScriptEngineEvent::FunctionExit);
         QCOMPARE(spy->at(39).scriptId, spy->at(21).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(39).value.isError());
         // restore context
         QCOMPARE(spy->at(40).type, ScriptEngineEvent::ContextPop);
         // foo() exit
         QCOMPARE(spy->at(41).type, ScriptEngineEvent::FunctionExit);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "script ID for function exit is not correct when JIT is enabled", Continue);
         QCOMPARE(spy->at(41).scriptId, spy->at(0).scriptId);
         QVERIFY(spy->at(41).value.isError());
         // restore context
         QCOMPARE(spy->at(42).type, ScriptEngineEvent::ContextPop);
         // evaluate() exit
         QCOMPARE(spy->at(43).type, ScriptEngineEvent::FunctionExit);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "script ID for function exit is not correct when JIT is enabled", Continue);
         QCOMPARE(spy->at(43).scriptId, spy->at(26).scriptId);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "function return value is not reported when JIT is enabled", Continue);
         QVERIFY(spy->at(43).value.isError());
         // unload
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "wrong event type when JIT is enabled", Continue);
         QCOMPARE(spy->at(44).type, ScriptEngineEvent::ScriptUnload);
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "wrong script ID when JIT is enabled", Continue);
         QCOMPARE(spy->at(44).scriptId, spy->at(25).scriptId);
     }
     delete spy;
@@ -1946,6 +1960,8 @@ void tst_QScriptEngineAgent::eventOrder_signalsHandling()
 
         emit testSignal(123);
 
+        if (qt_script_isJITEnabled())
+            QEXPECT_FAIL("", "too many events reported when JIT is enabled", Abort);
         QCOMPARE(spy->count(), 14);
         // new context
         QCOMPARE(spy->at(4).type, ScriptEngineEvent::ContextPush);
-- 
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