summaryrefslogtreecommitdiffstats
path: root/tools/qtconcurrent/generaterun/main.cpp
blob: ad8caa172c281e2199d6a9e25be17cf75eae72ac (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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) 2012 Nokia Corporation and/or its subsidiary(-ies).") +
                       Line("** Contact: http://www.qt-project.org/") +
                       Line("**") +
                       Line("** This file is part of the Qt Toolkit.") +
                       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) 2012 Nokia Corporation and/or its subsidiary(-ies).") +
                                     Line("** Contact: http://www.qt-project.org/") +
                                     Line("**") +
                                     Line("** This file is part of the Qt Toolkit.") +
                                     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());
}