Make the Moth interpreter configurable

Change-Id: I2b784820c4e39a7932f81bfee9ce78e01a2e96b5
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

src/qml/compiler/compiler.pri

@@ -25,8 +25,6 @@ SOURCES += \
 
 HEADERS += \
     $$PWD/qqmltypecompiler_p.h \
-    $$PWD/qv4isel_moth_p.h \
-    $$PWD/qv4instr_moth_p.h \
     $$PWD/qqmlpropertycachecreator_p.h \
     $$PWD/qqmlpropertyvalidator_p.h \
     $$PWD/qv4compilationunitmapper_p.h
@@ -34,8 +32,6 @@ HEADERS += \
 
 SOURCES += \
     $$PWD/qqmltypecompiler.cpp \
-    $$PWD/qv4instr_moth.cpp \
-    $$PWD/qv4isel_moth.cpp \
     $$PWD/qqmlpropertycachecreator.cpp \
     $$PWD/qqmlpropertyvalidator.cpp \
     $$PWD/qv4compilationunitmapper.cpp
@@ -43,4 +39,14 @@ SOURCES += \
 unix: SOURCES += $$PWD/qv4compilationunitmapper_unix.cpp
 else: SOURCES += $$PWD/qv4compilationunitmapper_win.cpp
 
+qtConfig(qml-interpreter) {
+    HEADERS += \
+        $$PWD/qv4instr_moth_p.h \
+        $$PWD/qv4isel_moth_p.h
+    SOURCES += \
+        $$PWD/qv4instr_moth.cpp \
+        $$PWD/qv4isel_moth.cpp
+}
+
+
 }

src/qml/compiler/qv4instr_moth_p.h

@@ -50,12 +50,13 @@
 //
 // We mean it.
 //
-
-#include <QtCore/qglobal.h>
+#include <private/qv4global_p.h>
 #include <private/qv4value_p.h>
 #include <private/qv4function_p.h>
 #include <private/qv4runtime_p.h>
 
+QT_REQUIRE_CONFIG(qml_interpreter);
+
 QT_BEGIN_NAMESPACE
 
 #ifdef QT_NO_QML_DEBUGGER

src/qml/compiler/qv4isel_moth_p.h

@@ -58,6 +58,8 @@
 #include <private/qv4value_p.h>
 #include "qv4instr_moth_p.h"
 
+QT_REQUIRE_CONFIG(qml_interpreter);
+
 QT_BEGIN_NAMESPACE
 
 namespace QV4 {

src/qml/configure.json

@@ -3,5 +3,28 @@
     "depends": [
         "core-private",
         "network-private"
+    ],
+
+    "commandline": {
+        "options": {
+            "qml-interpreter": "boolean"
+        }
+    },
+
+    "features": {
+        "qml-interpreter": {
+            "label": "QML interpreter",
+            "purpose": "Support for the QML interpreter",
+            "output": [ "privateFeature" ]
+        }
+    },
+
+    "summary": [
+        {
+            "section": "Qt QML",
+            "entries": [
+                "qml-interpreter"
+            ]
+        }
     ]
 }

src/qml/jsruntime/jsruntime.pri

@@ -38,7 +38,6 @@ SOURCES += \
     $$PWD/qv4sequenceobject.cpp \
     $$PWD/qv4include.cpp \
     $$PWD/qv4qobjectwrapper.cpp \
-    $$PWD/qv4vme_moth.cpp \
     $$PWD/qv4arraybuffer.cpp \
     $$PWD/qv4typedarray.cpp \
     $$PWD/qv4dataview.cpp
@@ -88,12 +87,18 @@ HEADERS += \
     $$PWD/qv4sequenceobject_p.h \
     $$PWD/qv4include_p.h \
     $$PWD/qv4qobjectwrapper_p.h \
-    $$PWD/qv4vme_moth_p.h \
     $$PWD/qv4profiling_p.h \
     $$PWD/qv4arraybuffer_p.h \
     $$PWD/qv4typedarray_p.h \
     $$PWD/qv4dataview_p.h
 
+qtConfig(qml-interpreter) {
+    HEADERS += \
+        $$PWD/qv4vme_moth_p.h
+    SOURCES += \
+        $$PWD/qv4vme_moth.cpp
+}
+
 }
 
 

src/qml/jsruntime/qv4engine.cpp

@@ -86,7 +86,9 @@
 #include "qv4isel_masm_p.h"
 #endif // V4_ENABLE_JIT
 
+#if QT_CONFIG(qml_interpreter)
 #include "qv4isel_moth_p.h"
+#endif
 
 #if USE(PTHREADS)
 #  include <pthread.h>
@@ -160,6 +162,7 @@ ExecutionEngine::ExecutionEngine(EvalISelFactory *factory)
     MemoryManager::GCBlocker gcBlocker(memoryManager);
 
     if (!factory) {
+#if QT_CONFIG(qml_interpreter)
         bool jitDisabled = true;
 
 #ifdef V4_ENABLE_JIT
@@ -180,6 +183,9 @@ ExecutionEngine::ExecutionEngine(EvalISelFactory *factory)
                      "very slow. Visit https://wiki.qt.io/V4 to learn about possible "
                      "solutions for your platform.");
         }
+#else
+        factory = new JIT::ISelFactory;
+#endif
     }
     iselFactory.reset(factory);
 

src/qml/jsruntime/qv4vme_moth_p.h

@@ -51,9 +51,12 @@
 // We mean it.
 //
 
+#include <private/qv4global_p.h>
 #include <private/qv4runtime_p.h>
 #include <private/qv4instr_moth_p.h>
 
+QT_REQUIRE_CONFIG(qml_interpreter);
+
 QT_BEGIN_NAMESPACE
 
 namespace QV4 {

tools/qmljs/qmljs.cpp

@@ -32,8 +32,10 @@
 #include "private/qv4errorobject_p.h"
 #include "private/qv4globalobject_p.h"
 #include "private/qv4codegen_p.h"
+#if QT_CONFIG(qml_interpreter)
 #include "private/qv4isel_moth_p.h"
 #include "private/qv4vme_moth_p.h"
+#endif
 #include "private/qv4objectproto_p.h"
 #include "private/qv4isel_p.h"
 #include "private/qv4mm_p.h"
@@ -43,6 +45,8 @@
 
 #ifdef V4_ENABLE_JIT
 #  include "private/qv4isel_masm_p.h"
+#else
+QT_REQUIRE_CONFIG(qml_interpreter);
 #endif // V4_ENABLE_JIT
 
 #include <QtCore/QCoreApplication>
@@ -150,10 +154,12 @@ int main(int argc, char *argv[])
             args.removeFirst();
         }
 
+#if QT_CONFIG(qml_interpreter)
         if (args.first() == QLatin1String("--interpret")) {
             mode = use_moth;
             args.removeFirst();
         }
+#endif
 
         if (args.first() == QLatin1String("--qml")) {
             runAsQml = true;
@@ -171,7 +177,9 @@ int main(int argc, char *argv[])
     case use_moth: {
         QV4::EvalISelFactory* iSelFactory = 0;
         if (mode == use_moth) {
+#if QT_CONFIG(qml_interpreter)
             iSelFactory = new QV4::Moth::ISelFactory;
+#endif
 #ifdef V4_ENABLE_JIT
         } else {
             iSelFactory = new QV4::JIT::ISelFactory;