Long live Qt!

1 files changed, 422 insertions, 0 deletions

diff --git a/tools/qtconcurrent/generaterun/main.cpp b/tools/qtconcurrent/generaterun/main.cpp
new file mode 100644
index 0000000..5dd18fb
--- /dev/null
+++ b/tools/qtconcurrent/generaterun/main.cpp
@@ -0,0 +1,422 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QApplication>
+#include <QDebug>
+#include <QFile>
+
+#include "codegenerator.h"
+using namespace CodeGenerator;
+
+const Item argument = "arg" + Counter();
+const Item argumentRef = "&arg" + Counter();
+const Item argumentType  = "Arg" + Counter();
+const Item constArgumentType  = "const Arg" + Counter();
+const Item parameterType  = "Param" + Counter();
+
+Group argumentTypes(argumentType);          // expands to ",Arg1, Arg2, ..."
+Group argumentTypesNoPrefix(argumentType);  // expands to "Arg1, Arg2, ..."
+Group arguments(argument);                  // expands to ",arg1, arg2, ..."
+Group argumentsNoPrefix(argument);          // expands to "arg1, arg2, ..."
+Group parameterTypes(parameterType);        // expands to ",Param1, Param2, ..."
+Group parameterTypesNoPrefix(parameterType); // expands to "Param1, Param2, ..."
+Group typenameTypes("typename " + parameterType + ", typename " + argumentType); // expands to " ,typename Param1, typename Arg1, ..."
+Group types(parameterType + ", " + argumentType); // expands to ", Param1, Arg1, ..."
+Group functionParameters(constArgumentType + " " + argumentRef);
+Group typenameArgumentTypes("typename " + argumentType);
+
+Group initializers(argument + "(" + argument + ")");
+Group classData(argumentType +" "  + argument + ";");
+Group arglist(argument);
+Group typeList(argumentTypes);
+
+void init()
+{
+    argumentTypes.setPrefix(", ");
+    arguments.setPrefix(", ");
+    parameterTypes.setPrefix(", ");
+    typenameTypes.setPrefix(", ");
+    types.setPrefix(", ");
+    functionParameters.setPrefix(", ");
+    typenameArgumentTypes.setPrefix(", ");
+
+    initializers.setPrefix(", ");
+    classData.setSeparator(" ");
+    classData.setPrefix("    ");
+    arglist.setPrefix(", ");
+    typeList.setPrefix(", ");
+}
+
+
+Item Line(Item item)
+{
+    return item + "\n";
+}
+
+Item generateRunFunctions(int repeats)
+{
+    Item functionPointerType = "T (*)(" + parameterTypesNoPrefix + ")";
+
+    Item functionPointerParameter = "T (*functionPointer)(" + parameterTypesNoPrefix + ")";
+
+
+
+    // plain functions
+    Repeater functions = Line ("template <typename T" + typenameTypes + ">") +
+                         Line ("QFuture<T> run(" + functionPointerParameter + functionParameters + ")")  +
+                         Line("{") +
+                         Line("    return (new QT_TYPENAME SelectStoredFunctorCall" + Counter() + "<T, " +
+                                   functionPointerType + argumentTypes + ">::type(functionPointer" + arguments + "))->start();") +
+                         Line("}");
+    functions.setRepeatCount(repeats);
+
+    // function objects by value
+    Repeater functionObjects =  Line ("template <typename FunctionObject" + typenameArgumentTypes + ">") +
+                                Line ("QFuture<typename FunctionObject::result_type> run(FunctionObject functionObject" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new QT_TYPENAME SelectStoredFunctorCall" + Counter() +
+                                     "<QT_TYPENAME FunctionObject::result_type, FunctionObject" +
+                                     argumentTypes + ">::type(functionObject" + arguments + "))->start();") +
+                                Line("}");
+    functionObjects.setRepeatCount(repeats);
+
+    // function objects by pointer
+    Repeater functionObjectsPointer =  Line ("template <typename FunctionObject" + typenameArgumentTypes + ">") +
+                                Line ("QFuture<typename FunctionObject::result_type> run(FunctionObject *functionObject" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new QT_TYPENAME SelectStoredFunctorPointerCall" + Counter() +
+                                     "<QT_TYPENAME FunctionObject::result_type, FunctionObject" +
+                                     argumentTypes + ">::type(functionObject" + arguments + "))->start();") +
+                                Line("}");
+    functionObjectsPointer.setRepeatCount(repeats);
+
+    // member functions by value
+    Repeater memberFunction =  Line ("template <typename T, typename Class" + typenameTypes + ">") +
+                                Line ("QFuture<T> run(const Class &object, T (Class::*fn)(" + parameterTypesNoPrefix  + ")" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new QT_TYPENAME SelectStoredMemberFunctionCall" + Counter() +
+                                     "<T, Class" +
+                                     types + ">::type(fn, object" + arguments + "))->start();") +
+                                Line("}");
+    memberFunction.setRepeatCount(repeats);
+
+    // const member functions by value
+    Repeater constMemberFunction =  Line ("template <typename T, typename Class" + typenameTypes + ">") +
+                                Line ("QFuture<T> run(const Class &object, T (Class::*fn)(" + parameterTypesNoPrefix  + ") const" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new QT_TYPENAME SelectStoredConstMemberFunctionCall" + Counter() +
+                                     "<T, Class" +
+                                     types + ">::type(fn, object" + arguments + "))->start();") +
+                                Line("}");
+    constMemberFunction.setRepeatCount(repeats);
+
+    // member functions by class pointer
+    Repeater memberFunctionPointer =  Line ("template <typename T, typename Class" + typenameTypes + ">") +
+                                Line ("QFuture<T> run(Class *object, T (Class::*fn)(" + parameterTypesNoPrefix  + ")" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new QT_TYPENAME SelectStoredMemberFunctionPointerCall" + Counter() +
+                                     "<T, Class" +
+                                     types + ">::type(fn, object" + arguments + "))->start();") +
+                                Line("}");
+    memberFunctionPointer.setRepeatCount(repeats);
+
+    // const member functions by class pointer
+    Repeater constMemberFunctionPointer =  Line ("template <typename T, typename Class" + typenameTypes + ">") +
+                                Line ("QFuture<T> run(const Class *object, T (Class::*fn)(" + parameterTypesNoPrefix  + ") const" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new QT_TYPENAME SelectStoredConstMemberFunctionPointerCall" + Counter() +
+                                     "<T, Class" +
+                                     types + ">::type(fn, object" + arguments + "))->start();") +
+                                Line("}");
+    constMemberFunctionPointer.setRepeatCount(repeats);
+
+
+    Item interfaceFunctionPointerType = "void (*)(QFutureInterface<T> &" + argumentTypes + ")";
+    Item interfaceFunctionPointerParameter = "void (*functionPointer)(QFutureInterface<T> &" + argumentTypes + ")";
+/*
+    // QFutureInterface functions
+    Repeater interfaceFunctions = Line ("template <typename T" + typenameTypes + ">") +
+                         Line ("QFuture<T> run(" + interfaceFunctionPointerParameter + functionParameters + ")")  +
+                         Line("{") +
+                         Line("    return (new StoredInterfaceFunctionCall" + Counter() + "<T, " +
+                                   interfaceFunctionPointerType + typenameArgumentTypes + ">(functionPointer" + arguments + "))->start();") +
+                         Line("}");
+    functions.setRepeatCount(repeats);
+    interfaceFunctions.setRepeatCount(repeats);
+
+    // member functions by class pointer
+    Repeater interfaceMemberFunction =  Line ("template <typename Class, typename T" + typenameTypes + ">") +
+                                Line ("QFuture<T> run(void (Class::*fn)(QFutureInterface<T> &), Class *object" + functionParameters + ")") +
+                                Line("{") +
+                                Line("    return (new StoredInterfaceMemberFunctionCall" + Counter() +
+                                     "<T, void (Class::*)(QFutureInterface<T> &), Class" +
+                                     typenameArgumentTypes + ">(fn, object" + arguments + "))->start();") +
+                                Line("}");
+    memberFunctionPointer.setRepeatCount(repeats);
+*/
+    return functions + Line("") + functionObjects + Line("") + functionObjectsPointer + Line("")
+          + memberFunction + Line("") + constMemberFunction + Line("")
+          + memberFunctionPointer + Line("") + constMemberFunctionPointer + Line("")
+  /*        + interfaceFunctions + Line("") + interfaceMemberFunction + Line("")*/
+    ;
+}
+
+
+Item functions(Item className, Item functorType, Item callLine)
+{
+    return
+    Line("template <typename T, typename FunctionPointer" +  typenameArgumentTypes + ">") +
+    Line("struct " + className +  Counter() +": public RunFunctionTask<T>") +
+    Line("{") +
+    Line("    inline " + className + Counter() + "(" + functorType + " function" + functionParameters +")") +
+    Line("      : function(function)" + initializers + " {}") +
+    Line("    void runFunctor() {" + callLine + argumentsNoPrefix + "); }") +
+    Line("    " + functorType + " function;") +
+    Line(       classData) +
+    Line("};") +
+    Line("");
+}
+
+Item functionSelector(Item classNameBase)
+{
+    return
+    Line("template <typename T, typename FunctionPointer" + typenameArgumentTypes + ">") +
+    Line("struct Select" + classNameBase + Counter()) +
+    Line("{") +
+    Line("    typedef typename SelectSpecialization<T>::template") +
+    Line("        Type<" + classNameBase + Counter() + "    <T, FunctionPointer" + argumentTypes + ">,") +
+    Line("             Void" + classNameBase + Counter() + "<T, FunctionPointer" + argumentTypes + "> >::type type;") +
+    Line("};");
+}
+
+Item memberFunctions(Item className, Item constFunction, Item objectArgument, Item objectMember, Item callLine)
+{
+    return
+    Line("template <typename T, typename Class"  + typenameTypes + ">") +
+    Line("class " + className + Counter() + " : public RunFunctionTask<T>") +
+    Line("{") +
+    Line("public:")+
+    Line("    " + className + Counter() + "(T (Class::*fn)(" + parameterTypesNoPrefix  + ") " + constFunction + ", " + objectArgument + functionParameters + ")") +
+    Line("    : fn(fn), object(object)" + initializers + "{ }" ) +
+    Line("")+
+    Line("    void runFunctor()")+
+    Line("    {")+
+    Line("        " + callLine + argumentsNoPrefix +  ");")+
+    Line("    }")+
+    Line("private:")+
+    Line("    T (Class::*fn)(" + parameterTypesNoPrefix  + ")" + constFunction + ";")+
+    Line("    " + objectMember + ";") +
+    Line(        classData) +
+    Line("};");
+}
+
+Item memberFunctionSelector(Item classNameBase)
+{
+    return
+    Line("template <typename T, typename Class" + typenameTypes + ">") +
+    Line("struct Select" + classNameBase + Counter()) +
+    Line("{") +
+    Line("    typedef typename SelectSpecialization<T>::template") +
+    Line("        Type<" + classNameBase + Counter() + "    <T, Class" + types + ">,") +
+    Line("             Void" + classNameBase + Counter() + "<T, Class" + types + "> >::type type;") +
+    Line("};");
+}
+
+Item generateSFCs(int repeats)
+{
+
+    Item functionPointerTypedef = "typedef void (*FunctionPointer)(" + argumentTypesNoPrefix + ");";
+
+    Repeater dataStructures =
+
+    // Function objects by value
+    functions(Item("StoredFunctorCall"), Item("FunctionPointer"), Item(" this->result = function(")) +
+    functions(Item("VoidStoredFunctorCall"), Item("FunctionPointer"), Item(" function(")) +
+    functionSelector(Item("StoredFunctorCall")) +
+
+    // Function objects by pointer
+    functions(Item("StoredFunctorPointerCall"), Item("FunctionPointer *"), Item(" this->result =(*function)(")) +
+    functions(Item("VoidStoredFunctorPointerCall"), Item("FunctionPointer *"), Item("(*function)(")) +
+    functionSelector(Item("StoredFunctorPointerCall")) +
+
+    // Member functions by value
+    memberFunctions(Item("StoredMemberFunctionCall"), Item(""), Item("const Class &object"), Item("Class object"), Item("this->result = (object.*fn)(")) +
+    memberFunctions(Item("VoidStoredMemberFunctionCall"), Item(""), Item("const Class &object"), Item("Class object"), Item("(object.*fn)(")) +
+    memberFunctionSelector(Item("StoredMemberFunctionCall")) +
+
+    // Const Member functions by value
+    memberFunctions(Item("StoredConstMemberFunctionCall"), Item("const"), Item("const Class &object"), Item("const Class object"), Item("this->result = (object.*fn)(")) +
+    memberFunctions(Item("VoidStoredConstMemberFunctionCall"), Item("const"), Item("const Class &object"), Item("const Class object"), Item("(object.*fn)(")) +
+    memberFunctionSelector(Item("StoredConstMemberFunctionCall")) +
+
+    // Member functions by pointer
+    memberFunctions(Item("StoredMemberFunctionPointerCall"), Item(""), Item("Class *object"), Item("Class *object"), Item("this->result = (object->*fn)(")) +
+    memberFunctions(Item("VoidStoredMemberFunctionPointerCall"), Item(""), Item("Class *object"), Item("Class *object"), Item("(object->*fn)(")) +
+    memberFunctionSelector(Item("StoredMemberFunctionPointerCall")) +
+
+    // const member functions by pointer
+    memberFunctions(Item("StoredConstMemberFunctionPointerCall"), Item("const"), Item("Class const *object"), Item("Class const *object"), Item("this->result = (object->*fn)(")) +
+    memberFunctions(Item("VoidStoredConstMemberFunctionPointerCall"), Item("const"), Item("Class const *object"), Item("Class const *object"), Item("(object->*fn)(")) +
+    memberFunctionSelector(Item("StoredConstMemberFunctionPointerCall"));
+
+    dataStructures.setRepeatCount(repeats);
+    return dataStructures;
+}
+
+void writeFile(QString fileName, QByteArray contents)
+{
+    QFile runFile(fileName);
+    if (runFile.open(QIODevice::WriteOnly) == false) {
+        qDebug() << "Write to" << fileName << "failed";
+        return;
+    }
+
+    runFile.write(contents);
+    runFile.close();
+    qDebug() << "Write to" << fileName << "Ok";
+}
+
+Item dollarQuote(Item item)
+{
+    return Item("$") + item + Item("$");
+}
+
+int main()
+{
+    const int repeats = 6;
+    init();
+    Item run =  (
+                       Line("/****************************************************************************") +
+                       Line("**") +
+                       Line("** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).") +
+                       Line("** Contact: Qt Software Information (qt-info@nokia.com)") +
+                       Line("**") +
+                       Line("** This file is part of the " + dollarQuote("MODULE") + " of the Qt Toolkit.") +
+                       Line("**") +
+                       Line("** " + dollarQuote("TROLLTECH_DUAL_LICENSE")) +
+                       Line("**") +
+                       Line("****************************************************************************/") +
+                       Line("") +
+                       Line("// Generated code, do not edit! Use generator at tools/qtconcurrent/generaterun/") +
+                       Line("#ifndef QTCONCURRENT_RUN_H") +
+                       Line("#define QTCONCURRENT_RUN_H") +
+                       Line("") +
+                       Line("#ifndef QT_NO_CONCURRENT") +
+                       Line("") +
+                       Line("#include <QtCore/qtconcurrentrunbase.h>") +
+                       Line("#include <QtCore/qtconcurrentstoredfunctioncall.h>") +
+                       Line("") +
+                       Line("QT_BEGIN_HEADER") +
+                       Line("QT_BEGIN_NAMESPACE") +
+                       Line("") +
+                       Line("QT_MODULE(Core)") +
+                       Line("") +
+                       Line("#ifdef qdoc") +
+                       Line("") +
+                       Line("namespace QtConcurrent {") +
+                       Line("") +
+                       Line("    template <typename T>") +
+                       Line("    QFuture<T> run(Function function, ...);") +
+                       Line("") +
+                       Line("} // namespace QtConcurrent") +
+                       Line("") +
+                       Line("#else") +
+                       Line("") +
+                       Line("namespace QtConcurrent {") +
+                       Line("") +
+                       generateRunFunctions(repeats) +
+                       Line("} //namespace QtConcurrent") +
+                       Line("") +
+                       Line("#endif // qdoc") +
+                       Line("") +
+                       Line("QT_END_NAMESPACE") +
+                       Line("QT_END_HEADER") +
+                       Line("") +
+                       Line("#endif")
+                      );
+
+    writeFile("../../../src/corelib/concurrent/qtconcurrentrun.h", run.generate());
+
+    Item storedFunctionCall = (
+                                     Line("/****************************************************************************") +
+                                     Line("**") +
+                                     Line("** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).") +
+                                     Line("** Contact: Qt Software Information (qt-info@nokia.com)") +
+                                     Line("**") +
+                                     Line("** This file is part of the " + dollarQuote("MODULE") + " of the Qt Toolkit.") +
+                                     Line("**") +
+                                     Line("** " + dollarQuote("TROLLTECH_DUAL_LICENSE")) +
+                                     Line("**") +
+                                     Line("****************************************************************************/") +
+                                     Line("") +
+                                     Line("// Generated code, do not edit! Use generator at tools/qtconcurrent/generaterun/") +
+                                     Line("#ifndef QTCONCURRENT_STOREDFUNCTIONCALL_H") +
+                                     Line("#define QTCONCURRENT_STOREDFUNCTIONCALL_H") +
+                                     Line("") +
+                                     Line("#include <QtCore/qglobal.h>") +
+                                     Line("") +
+                                     Line("#ifndef QT_NO_CONCURRENT") +
+                                     Line("#include <QtCore/qtconcurrentrunbase.h>") +
+                                     Line("") +
+                                     Line("QT_BEGIN_HEADER") +
+                                     Line("QT_BEGIN_NAMESPACE") +
+                                     Line("") +
+                                     Line("QT_MODULE(Core)") +
+                                     Line("") +
+                                     Line("#ifndef qdoc") +
+                                     Line("") +
+                                     Line("namespace QtConcurrent {") +
+                                     generateSFCs(repeats) +
+                                     Line("} //namespace QtConcurrent") +
+                                     Line("") +
+                                     Line("#endif // qdoc") +
+                                     Line("") +
+                                     Line("QT_END_NAMESPACE") +
+                                     Line("QT_END_HEADER") +
+                                     Line("") +
+                                     Line("#endif // QT_NO_CONCURRENT") +
+                                     Line("") +
+                                     Line("#endif")
+                                    );
+
+    writeFile("../../../src/corelib/concurrent/qtconcurrentstoredfunctioncall.h", storedFunctionCall.generate());
+}
+
+