1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtScxml module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
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15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
21 ** included in the packaging of this file. Please review the following
22 ** information to ensure the GNU General Public License requirements will
23 ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
24 **
25 ** $QT_END_LICENSE$
26 **
27 ****************************************************************************/
28
29 #include "generator.h"
30 #include "outputrevision.h"
31 #include "utils.h"
32 #include <QtCore/qmetatype.h>
33 #include <QtCore/qjsondocument.h>
34 #include <QtCore/qjsonobject.h>
35 #include <QtCore/qjsonvalue.h>
36 #include <QtCore/qjsonarray.h>
37 #include <QtCore/qplugin.h>
38
39 #include <private/qmetaobject_p.h> //for the flags.
40 #include <stdio.h>
41
42 QT_BEGIN_NAMESPACE
43
fprintf(QIODevice & out,const char * fmt,...)44 void fprintf(QIODevice &out, const char *fmt, ...)
45 {
46 va_list argp;
47 va_start(argp, fmt);
48 const int bufSize = 4096;
49 char buf[bufSize];
50 vsnprintf(buf, bufSize, fmt, argp);
51 va_end(argp);
52 out.write(buf);
53 }
54
fputc(char c,QIODevice & out)55 void fputc(char c, QIODevice &out)
56 {
57 out.write(&c, 1);
58 }
59
fputs(const char * s,QIODevice & out)60 void fputs(const char *s, QIODevice &out)
61 {
62 out.write(s);
63 }
64
nameToBuiltinType(const QByteArray & name)65 uint nameToBuiltinType(const QByteArray &name)
66 {
67 if (name.isEmpty())
68 return 0;
69
70 uint tp = QMetaType::type(name.constData());
71 return tp < uint(QMetaType::User) ? tp : uint(QMetaType::UnknownType);
72 }
73
74 /*
75 Returns \c true if the type is a built-in type.
76 */
isBuiltinType(const QByteArray & type)77 bool isBuiltinType(const QByteArray &type)
78 {
79 int id = QMetaType::type(type.constData());
80 if (id == QMetaType::UnknownType)
81 return false;
82 return (id < QMetaType::User);
83 }
84
metaTypeEnumValueString(int type)85 static const char *metaTypeEnumValueString(int type)
86 {
87 #define RETURN_METATYPENAME_STRING(MetaTypeName, MetaTypeId, RealType) \
88 case QMetaType::MetaTypeName: return #MetaTypeName;
89
90 switch (type) {
91 QT_FOR_EACH_STATIC_TYPE(RETURN_METATYPENAME_STRING)
92 }
93 #undef RETURN_METATYPENAME_STRING
94 return 0;
95 }
96
Generator(ClassDef * classDef,const QList<QByteArray> & metaTypes,const QHash<QByteArray,QByteArray> & knownQObjectClasses,const QHash<QByteArray,QByteArray> & knownGadgets,QIODevice & outfile)97 Generator::Generator(ClassDef *classDef, const QList<QByteArray> &metaTypes, const QHash<QByteArray,
98 QByteArray> &knownQObjectClasses, const QHash<QByteArray,
99 QByteArray> &knownGadgets, QIODevice &outfile)
100 : out(outfile), cdef(classDef), metaTypes(metaTypes), knownQObjectClasses(knownQObjectClasses)
101 , knownGadgets(knownGadgets)
102 {
103 if (cdef->superclassList.size())
104 purestSuperClass = cdef->superclassList.first().first;
105 }
106
lengthOfEscapeSequence(const QByteArray & s,int i)107 static inline int lengthOfEscapeSequence(const QByteArray &s, int i)
108 {
109 if (s.at(i) != '\\' || i >= s.length() - 1)
110 return 1;
111 const int startPos = i;
112 ++i;
113 char ch = s.at(i);
114 if (ch == 'x') {
115 ++i;
116 while (i < s.length() && is_hex_char(s.at(i)))
117 ++i;
118 } else if (is_octal_char(ch)) {
119 while (i < startPos + 4
120 && i < s.length()
121 && is_octal_char(s.at(i))) {
122 ++i;
123 }
124 } else { // single character escape sequence
125 i = qMin(i + 1, s.length());
126 }
127 return i - startPos;
128 }
129
strreg(const QByteArray & s)130 void Generator::strreg(const QByteArray &s)
131 {
132 if (!strings.contains(s))
133 strings.append(s);
134 }
135
stridx(const QByteArray & s)136 int Generator::stridx(const QByteArray &s)
137 {
138 int i = strings.indexOf(s);
139 Q_ASSERT_X(i != -1, Q_FUNC_INFO, "We forgot to register some strings");
140 return i;
141 }
142
143 // Returns the sum of all parameters (including return type) for the given
144 // \a list of methods. This is needed for calculating the size of the methods'
145 // parameter type/name meta-data.
aggregateParameterCount(const QList<FunctionDef> & list)146 static int aggregateParameterCount(const QList<FunctionDef> &list)
147 {
148 int sum = 0;
149 for (int i = 0; i < list.count(); ++i)
150 sum += list.at(i).arguments.count() + 1; // +1 for return type
151 return sum;
152 }
153
registerableMetaType(const QByteArray & propertyType)154 bool Generator::registerableMetaType(const QByteArray &propertyType)
155 {
156 if (metaTypes.contains(propertyType))
157 return true;
158
159 if (propertyType.endsWith('*')) {
160 QByteArray objectPointerType = propertyType;
161 // The objects container stores class names, such as 'QState', 'QLabel' etc,
162 // not 'QState*', 'QLabel*'. The propertyType does contain the '*', so we need
163 // to chop it to find the class type in the known QObjects list.
164 objectPointerType.chop(1);
165 if (knownQObjectClasses.contains(objectPointerType))
166 return true;
167 }
168
169 static const QVector<QByteArray> smartPointers = QVector<QByteArray>()
170 #define STREAM_SMART_POINTER(SMART_POINTER) << #SMART_POINTER
171 QT_FOR_EACH_AUTOMATIC_TEMPLATE_SMART_POINTER(STREAM_SMART_POINTER)
172 #undef STREAM_SMART_POINTER
173 ;
174
175 for (const QByteArray &smartPointer : smartPointers)
176 if (propertyType.startsWith(smartPointer + "<") && !propertyType.endsWith("&"))
177 return knownQObjectClasses.contains(propertyType.mid(smartPointer.size() + 1, propertyType.size() - smartPointer.size() - 1 - 1));
178
179 static const QVector<QByteArray> oneArgTemplates = QVector<QByteArray>()
180 #define STREAM_1ARG_TEMPLATE(TEMPLATENAME) << #TEMPLATENAME
181 QT_FOR_EACH_AUTOMATIC_TEMPLATE_1ARG(STREAM_1ARG_TEMPLATE)
182 #undef STREAM_1ARG_TEMPLATE
183 ;
184 for (const QByteArray &oneArgTemplateType : oneArgTemplates)
185 if (propertyType.startsWith(oneArgTemplateType + "<") && propertyType.endsWith(">")) {
186 const int argumentSize = propertyType.size() - oneArgTemplateType.size() - 1
187 // The closing '>'
188 - 1
189 // templates inside templates have an extra whitespace char to strip.
190 - (propertyType.at(propertyType.size() - 2) == ' ' ? 1 : 0 );
191 const QByteArray templateArg = propertyType.mid(oneArgTemplateType.size() + 1, argumentSize);
192 return isBuiltinType(templateArg) || registerableMetaType(templateArg);
193 }
194 return false;
195 }
196
197 /* returns \c true if name and qualifiedName refers to the same name.
198 * If qualified name is "A::B::C", it returns \c true for "C", "B::C" or "A::B::C" */
qualifiedNameEquals(const QByteArray & qualifiedName,const QByteArray & name)199 static bool qualifiedNameEquals(const QByteArray &qualifiedName, const QByteArray &name)
200 {
201 if (qualifiedName == name)
202 return true;
203 int index = qualifiedName.indexOf("::");
204 if (index == -1)
205 return false;
206 return qualifiedNameEquals(qualifiedName.mid(index+2), name);
207 }
208
generateCode()209 void Generator::generateCode()
210 {
211 bool isQt = (cdef->classname == "Qt");
212 bool isQObject = (cdef->classname == "QObject");
213 bool isConstructible = !cdef->constructorList.isEmpty();
214
215 // filter out undeclared enumerators and sets
216 {
217 QList<EnumDef> enumList;
218 for (int i = 0; i < cdef->enumList.count(); ++i) {
219 EnumDef def = cdef->enumList.at(i);
220 if (cdef->enumDeclarations.contains(def.name)) {
221 enumList += def;
222 }
223 QByteArray alias = cdef->flagAliases.value(def.name);
224 if (cdef->enumDeclarations.contains(alias)) {
225 def.name = alias;
226 enumList += def;
227 }
228 }
229 cdef->enumList = enumList;
230 }
231
232 //
233 // Register all strings used in data section
234 //
235 strreg(cdef->qualified);
236 registerClassInfoStrings();
237 registerFunctionStrings(cdef->signalList);
238 registerFunctionStrings(cdef->slotList);
239 registerFunctionStrings(cdef->methodList);
240 registerFunctionStrings(cdef->constructorList);
241 registerPropertyStrings();
242 registerEnumStrings();
243
244 QByteArray qualifiedClassNameIdentifier = cdef->qualified;
245 qualifiedClassNameIdentifier.replace(':', '_');
246
247 //
248 // Build stringdata struct
249 //
250 const int constCharArraySizeLimit = 65535;
251 fprintf(out, "struct qt_meta_stringdata_%s_t {\n", qualifiedClassNameIdentifier.constData());
252 fprintf(out, " QByteArrayData data[%d];\n", strings.size());
253 {
254 int stringDataLength = 0;
255 int stringDataCounter = 0;
256 for (int i = 0; i < strings.size(); ++i) {
257 int thisLength = strings.at(i).length() + 1;
258 stringDataLength += thisLength;
259 if (stringDataLength / constCharArraySizeLimit) {
260 // save previous stringdata and start computing the next one.
261 fprintf(out, " unsigned char stringdata%d[%d];\n", stringDataCounter++,
262 stringDataLength - thisLength);
263 stringDataLength = thisLength;
264 }
265 }
266 fprintf(out, " unsigned char stringdata%d[%d];\n", stringDataCounter, stringDataLength);
267
268 }
269 fprintf(out, "};\n");
270
271 // Macro that expands into a QByteArrayData. The offset member is
272 // calculated from 1) the offset of the actual characters in the
273 // stringdata.stringdata member, and 2) the stringdata.data index of the
274 // QByteArrayData being defined. This calculation relies on the
275 // QByteArrayData::data() implementation returning simply "this + offset".
276 fprintf(out, "#define QT_MOC_LITERAL(idx, ofs, len) \\\n"
277 " Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \\\n"
278 " qptrdiff(offsetof(qt_meta_stringdata_%s_t, stringdata0) + ofs \\\n"
279 " - idx * sizeof(QByteArrayData)) \\\n"
280 " )\n",
281 qualifiedClassNameIdentifier.constData());
282
283 fprintf(out, "static const qt_meta_stringdata_%s_t qt_meta_stringdata_%s = {\n",
284 qualifiedClassNameIdentifier.constData(), qualifiedClassNameIdentifier.constData());
285 fprintf(out, " {\n");
286 {
287 int idx = 0;
288 for (int i = 0; i < strings.size(); ++i) {
289 const QByteArray &str = strings.at(i);
290 fprintf(out, "QT_MOC_LITERAL(%d, %d, %d)", i, idx, str.length());
291 if (i != strings.size() - 1)
292 fputc(',', out);
293 const QByteArray comment = str.length() > 32 ? str.left(29) + "..." : str;
294 fprintf(out, " // \"%s\"\n", comment.constData());
295 idx += str.length() + 1;
296 for (int j = 0; j < str.length(); ++j) {
297 if (str.at(j) == '\\') {
298 int cnt = lengthOfEscapeSequence(str, j) - 1;
299 idx -= cnt;
300 j += cnt;
301 }
302 }
303 }
304 fprintf(out, " },{\n");
305 }
306
307 //
308 // Build stringdata array
309 //
310 for (int i = 0; i < strings.size(); ++i) {
311 QByteArray s = strings.at(i);
312 int len = s.length();
313 for (int charPos = 0; charPos < len; ++charPos)
314 fprintf(out, "0x%.2x,", static_cast<quint8>(s.at(charPos)));
315 fprintf(out, "0%s // %d: %s\n", i < strings.size() - 1 ? "," : "", i, s.constData());
316 }
317
318 // Terminate stringdata struct
319 fprintf(out, " }};\n");
320 fprintf(out, "#undef QT_MOC_LITERAL\n\n");
321
322 //
323 // build the data array
324 //
325
326 int index = MetaObjectPrivateFieldCount;
327 fprintf(out, "static const uint qt_meta_data_%s[] = {\n", qualifiedClassNameIdentifier.constData());
328 fprintf(out, "\n // content:\n");
329 fprintf(out, " %4d, // revision\n", int(QMetaObjectPrivate::OutputRevision));
330 fprintf(out, " %4d, // classname\n", stridx(cdef->qualified));
331 fprintf(out, " %4d, %4d, // classinfo\n", cdef->classInfoList.count(), cdef->classInfoList.count() ? index : 0);
332 index += cdef->classInfoList.count() * 2;
333
334 int methodCount = cdef->signalList.count() + cdef->slotList.count() + cdef->methodList.count();
335 fprintf(out, " %4d, %4d, // methods\n", methodCount, methodCount ? index : 0);
336 index += methodCount * 5;
337 if (cdef->revisionedMethods)
338 index += methodCount;
339 int paramsIndex = index;
340 int totalParameterCount = aggregateParameterCount(cdef->signalList)
341 + aggregateParameterCount(cdef->slotList)
342 + aggregateParameterCount(cdef->methodList)
343 + aggregateParameterCount(cdef->constructorList);
344 index += totalParameterCount * 2 // types and parameter names
345 - methodCount // return "parameters" don't have names
346 - cdef->constructorList.count(); // "this" parameters don't have names
347
348 fprintf(out, " %4d, %4d, // properties\n", cdef->propertyList.count(), cdef->propertyList.count() ? index : 0);
349 index += cdef->propertyList.count() * 3;
350 if(cdef->notifyableProperties)
351 index += cdef->propertyList.count();
352 if (cdef->revisionedProperties)
353 index += cdef->propertyList.count();
354 fprintf(out, " %4d, %4d, // enums/sets\n", cdef->enumList.count(), cdef->enumList.count() ? index : 0);
355
356 int enumsIndex = index;
357 for (int i = 0; i < cdef->enumList.count(); ++i)
358 index += 4 + (cdef->enumList.at(i).values.count() * 2);
359 fprintf(out, " %4d, %4d, // constructors\n", isConstructible ? cdef->constructorList.count() : 0,
360 isConstructible ? index : 0);
361
362 int flags = 0;
363 if (cdef->hasQGadget) {
364 // Ideally, all the classes could have that flag. But this broke classes generated
365 // by qdbusxml2cpp which generate code that require that we call qt_metacall for properties
366 flags |= PropertyAccessInStaticMetaCall;
367 }
368 fprintf(out, " %4d, // flags\n", flags);
369 fprintf(out, " %4d, // signalCount\n", cdef->signalList.count());
370
371
372 //
373 // Build classinfo array
374 //
375 generateClassInfos();
376
377 //
378 // Build signals array first, otherwise the signal indices would be wrong
379 //
380 generateFunctions(cdef->signalList, "signal", MethodSignal, paramsIndex);
381
382 //
383 // Build slots array
384 //
385 generateFunctions(cdef->slotList, "slot", MethodSlot, paramsIndex);
386
387 //
388 // Build method array
389 //
390 generateFunctions(cdef->methodList, "method", MethodMethod, paramsIndex);
391
392 //
393 // Build method version arrays
394 //
395 if (cdef->revisionedMethods) {
396 generateFunctionRevisions(cdef->signalList, "signal");
397 generateFunctionRevisions(cdef->slotList, "slot");
398 generateFunctionRevisions(cdef->methodList, "method");
399 }
400
401 //
402 // Build method parameters array
403 //
404 generateFunctionParameters(cdef->signalList, "signal");
405 generateFunctionParameters(cdef->slotList, "slot");
406 generateFunctionParameters(cdef->methodList, "method");
407 if (isConstructible)
408 generateFunctionParameters(cdef->constructorList, "constructor");
409
410 //
411 // Build property array
412 //
413 generateProperties();
414
415 //
416 // Build enums array
417 //
418 generateEnums(enumsIndex);
419
420 //
421 // Build constructors array
422 //
423 if (isConstructible)
424 generateFunctions(cdef->constructorList, "constructor", MethodConstructor, paramsIndex);
425
426 //
427 // Terminate data array
428 //
429 fprintf(out, "\n 0 // eod\n};\n\n");
430
431 //
432 // Generate internal qt_static_metacall() function
433 //
434 const bool hasStaticMetaCall = !isQt &&
435 (cdef->hasQObject || !cdef->methodList.isEmpty()
436 || !cdef->propertyList.isEmpty() || !cdef->constructorList.isEmpty());
437 if (hasStaticMetaCall)
438 generateStaticMetacall();
439
440 //
441 // Build extra array
442 //
443 QList<QByteArray> extraList;
444 QHash<QByteArray, QByteArray> knownExtraMetaObject = knownGadgets;
445 knownExtraMetaObject.insert(knownQObjectClasses);
446
447 for (int i = 0; i < cdef->propertyList.count(); ++i) {
448 const PropertyDef &p = cdef->propertyList.at(i);
449 if (isBuiltinType(p.type))
450 continue;
451
452 if (p.type.contains('*') || p.type.contains('<') || p.type.contains('>'))
453 continue;
454
455 int s = p.type.lastIndexOf("::");
456 if (s <= 0)
457 continue;
458
459 QByteArray unqualifiedScope = p.type.left(s);
460
461 // The scope may be a namespace for example, so it's only safe to include scopes that are known QObjects (QTBUG-2151)
462 QHash<QByteArray, QByteArray>::ConstIterator scopeIt;
463
464 QByteArray thisScope = cdef->qualified;
465 do {
466 int s = thisScope.lastIndexOf("::");
467 thisScope = thisScope.left(s);
468 QByteArray currentScope = thisScope.isEmpty() ? unqualifiedScope : thisScope + "::" + unqualifiedScope;
469 scopeIt = knownExtraMetaObject.constFind(currentScope);
470 } while (!thisScope.isEmpty() && scopeIt == knownExtraMetaObject.constEnd());
471
472 if (scopeIt == knownExtraMetaObject.constEnd())
473 continue;
474
475 const QByteArray &scope = *scopeIt;
476
477 if (scope == "Qt")
478 continue;
479 if (qualifiedNameEquals(cdef->qualified, scope))
480 continue;
481
482 if (!extraList.contains(scope))
483 extraList += scope;
484 }
485
486 // QTBUG-20639 - Accept non-local enums for QML signal/slot parameters.
487 // Look for any scoped enum declarations, and add those to the list
488 // of extra/related metaobjects for this object.
489 QList<QByteArray> enumKeys = cdef->enumDeclarations.keys();
490 for (int i = 0; i < enumKeys.count(); ++i) {
491 const QByteArray &enumKey = enumKeys[i];
492 int s = enumKey.lastIndexOf("::");
493 if (s > 0) {
494 QByteArray scope = enumKey.left(s);
495 if (scope != "Qt" && !qualifiedNameEquals(cdef->qualified, scope) && !extraList.contains(scope))
496 extraList += scope;
497 }
498 }
499
500 if (!extraList.isEmpty()) {
501 fprintf(out, "static const QMetaObject * const qt_meta_extradata_%s[] = {\n ", qualifiedClassNameIdentifier.constData());
502 for (int i = 0; i < extraList.count(); ++i) {
503 fprintf(out, " &%s::staticMetaObject,\n", extraList.at(i).constData());
504 }
505 fprintf(out, " nullptr\n};\n\n");
506 }
507
508 //
509 // Finally create and initialize the static meta object
510 //
511 if (isQt)
512 fprintf(out, "const QMetaObject QObject::staticQtMetaObject = {\n");
513 else
514 fprintf(out, "const QMetaObject %s::staticMetaObject = {\n", cdef->qualified.constData());
515
516 if (isQObject)
517 fprintf(out, " { nullptr, ");
518 else if (cdef->superclassList.size() && (!cdef->hasQGadget || knownGadgets.contains(purestSuperClass)))
519 fprintf(out, " { &%s::staticMetaObject, ", purestSuperClass.constData());
520 else
521 fprintf(out, " { nullptr, ");
522 fprintf(out, "qt_meta_stringdata_%s.data,\n"
523 " qt_meta_data_%s, ", qualifiedClassNameIdentifier.constData(),
524 qualifiedClassNameIdentifier.constData());
525 if (hasStaticMetaCall)
526 fprintf(out, " qt_static_metacall, ");
527 else
528 fprintf(out, " nullptr, ");
529
530 if (extraList.isEmpty())
531 fprintf(out, "nullptr, ");
532 else
533 fprintf(out, "qt_meta_extradata_%s, ", qualifiedClassNameIdentifier.constData());
534 fprintf(out, "nullptr}\n};\n\n");
535
536 if(isQt)
537 return;
538
539 if (!cdef->hasQObject)
540 return;
541
542 fprintf(out, "\nconst QMetaObject *%s::metaObject() const\n{\n return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject;\n}\n",
543 cdef->qualified.constData());
544
545 //
546 // Generate smart cast function
547 //
548 fprintf(out, "\nvoid *%s::qt_metacast(const char *_clname)\n{\n", cdef->qualified.constData());
549 fprintf(out, " if (!_clname) return nullptr;\n");
550 fprintf(out, " if (!strcmp(_clname, reinterpret_cast<const char *>(\n"
551 " qt_meta_stringdata_%s.stringdata0)))\n"
552 " return static_cast<void*>(const_cast< %s*>(this));\n",
553 qualifiedClassNameIdentifier.constData(), cdef->classname.constData());
554 for (int i = 1; i < cdef->superclassList.size(); ++i) { // for all superclasses but the first one
555 if (cdef->superclassList.at(i).second == FunctionDef::Private)
556 continue;
557 const char *cname = cdef->superclassList.at(i).first.constData();
558 fprintf(out, " if (!strcmp(_clname, \"%s\"))\n return static_cast< %s*>(const_cast< %s*>(this));\n",
559 cname, cname, cdef->classname.constData());
560 }
561 for (int i = 0; i < cdef->interfaceList.size(); ++i) {
562 const QList<ClassDef::Interface> &iface = cdef->interfaceList.at(i);
563 for (int j = 0; j < iface.size(); ++j) {
564 fprintf(out, " if (!strcmp(_clname, %s))\n return ", iface.at(j).interfaceId.constData());
565 for (int k = j; k >= 0; --k)
566 fprintf(out, "static_cast< %s*>(", iface.at(k).className.constData());
567 fprintf(out, "const_cast< %s*>(this)%s;\n",
568 cdef->classname.constData(), QByteArray(j+1, ')').constData());
569 }
570 }
571 if (!purestSuperClass.isEmpty() && !isQObject) {
572 QByteArray superClass = purestSuperClass;
573 fprintf(out, " return %s::qt_metacast(_clname);\n", superClass.constData());
574 } else {
575 fprintf(out, " return nullptr;\n");
576 }
577 fprintf(out, "}\n");
578
579 //
580 // Generate internal qt_metacall() function
581 //
582 generateMetacall();
583
584 //
585 // Generate internal signal functions
586 //
587 for (int signalindex = 0; signalindex < cdef->signalList.size(); ++signalindex)
588 generateSignal(&cdef->signalList[signalindex], signalindex);
589
590 fprintf(out, "\n");
591 //
592 // Generate plugin meta data
593 //
594 // generatePluginMetaData();
595 }
596
597
registerClassInfoStrings()598 void Generator::registerClassInfoStrings()
599 {
600 for (int i = 0; i < cdef->classInfoList.size(); ++i) {
601 const ClassInfoDef &c = cdef->classInfoList.at(i);
602 strreg(c.name);
603 strreg(c.value);
604 }
605 }
606
generateClassInfos()607 void Generator::generateClassInfos()
608 {
609 if (cdef->classInfoList.isEmpty())
610 return;
611
612 fprintf(out, "\n // classinfo: key, value\n");
613
614 for (int i = 0; i < cdef->classInfoList.size(); ++i) {
615 const ClassInfoDef &c = cdef->classInfoList.at(i);
616 fprintf(out, " %4d, %4d,\n", stridx(c.name), stridx(c.value));
617 }
618 }
619
registerFunctionStrings(const QList<FunctionDef> & list)620 void Generator::registerFunctionStrings(const QList<FunctionDef> &list)
621 {
622 for (int i = 0; i < list.count(); ++i) {
623 const FunctionDef &f = list.at(i);
624
625 strreg(f.name);
626 if (!isBuiltinType(f.normalizedType))
627 strreg(f.normalizedType);
628 strreg(f.tag);
629
630 int argsCount = f.arguments.count();
631 for (int j = 0; j < argsCount; ++j) {
632 const ArgumentDef &a = f.arguments.at(j);
633 if (!isBuiltinType(a.normalizedType))
634 strreg(a.normalizedType);
635 strreg(a.name);
636 }
637 }
638 }
639
generateFunctions(const QList<FunctionDef> & list,const char * functype,int type,int & paramsIndex)640 void Generator::generateFunctions(const QList<FunctionDef> &list, const char *functype, int type, int ¶msIndex)
641 {
642 if (list.isEmpty())
643 return;
644 fprintf(out, "\n // %ss: name, argc, parameters, tag, flags\n", functype);
645
646 for (int i = 0; i < list.count(); ++i) {
647 const FunctionDef &f = list.at(i);
648
649 QByteArray comment;
650 unsigned char flags = type;
651 if (f.access == FunctionDef::Private) {
652 flags |= AccessPrivate;
653 comment.append("Private");
654 } else if (f.access == FunctionDef::Public) {
655 flags |= AccessPublic;
656 comment.append("Public");
657 } else if (f.access == FunctionDef::Protected) {
658 flags |= AccessProtected;
659 comment.append("Protected");
660 }
661 if (f.isCompat) {
662 flags |= MethodCompatibility;
663 comment.append(" | MethodCompatibility");
664 }
665 if (f.wasCloned) {
666 flags |= MethodCloned;
667 comment.append(" | MethodCloned");
668 }
669 if (f.isScriptable) {
670 flags |= MethodScriptable;
671 comment.append(" | isScriptable");
672 }
673 if (f.revision > 0) {
674 flags |= MethodRevisioned;
675 comment.append(" | MethodRevisioned");
676 }
677
678 int argc = f.arguments.count();
679 fprintf(out, " %4d, %4d, %4d, %4d, 0x%02x /* %s */,\n",
680 stridx(f.name), argc, paramsIndex, stridx(f.tag), flags, comment.constData());
681
682 paramsIndex += 1 + argc * 2;
683 }
684 }
685
generateFunctionRevisions(const QList<FunctionDef> & list,const char * functype)686 void Generator::generateFunctionRevisions(const QList<FunctionDef> &list, const char *functype)
687 {
688 if (list.count())
689 fprintf(out, "\n // %ss: revision\n", functype);
690 for (int i = 0; i < list.count(); ++i) {
691 const FunctionDef &f = list.at(i);
692 fprintf(out, " %4d,\n", f.revision);
693 }
694 }
695
generateFunctionParameters(const QList<FunctionDef> & list,const char * functype)696 void Generator::generateFunctionParameters(const QList<FunctionDef> &list, const char *functype)
697 {
698 if (list.isEmpty())
699 return;
700 fprintf(out, "\n // %ss: parameters\n", functype);
701 for (int i = 0; i < list.count(); ++i) {
702 const FunctionDef &f = list.at(i);
703 fprintf(out, " ");
704
705 // Types
706 int argsCount = f.arguments.count();
707 for (int j = -1; j < argsCount; ++j) {
708 if (j > -1)
709 fputc(' ', out);
710 const QByteArray &typeName = (j < 0) ? f.normalizedType : f.arguments.at(j).normalizedType;
711 generateTypeInfo(typeName, /*allowEmptyName=*/f.isConstructor);
712 fputc(',', out);
713 }
714
715 // Parameter names
716 for (int j = 0; j < argsCount; ++j) {
717 const ArgumentDef &arg = f.arguments.at(j);
718 fprintf(out, " %4d,", stridx(arg.name));
719 }
720
721 fprintf(out, "\n");
722 }
723 }
724
generateTypeInfo(const QByteArray & typeName,bool allowEmptyName)725 void Generator::generateTypeInfo(const QByteArray &typeName, bool allowEmptyName)
726 {
727 Q_UNUSED(allowEmptyName);
728 if (isBuiltinType(typeName)) {
729 int type;
730 const char *valueString;
731 if (typeName == "qreal") {
732 type = QMetaType::UnknownType;
733 valueString = "QReal";
734 } else {
735 type = nameToBuiltinType(typeName);
736 valueString = metaTypeEnumValueString(type);
737 }
738 if (valueString) {
739 fprintf(out, "QMetaType::%s", valueString);
740 } else {
741 Q_ASSERT(type != QMetaType::UnknownType);
742 fprintf(out, "%4d", type);
743 }
744 } else {
745 Q_ASSERT(!typeName.isEmpty() || allowEmptyName);
746 fprintf(out, "0x%.8x | %d", IsUnresolvedType, stridx(typeName));
747 }
748 }
749
registerPropertyStrings()750 void Generator::registerPropertyStrings()
751 {
752 for (int i = 0; i < cdef->propertyList.count(); ++i) {
753 const PropertyDef &p = cdef->propertyList.at(i);
754 strreg(p.name);
755 if (!isBuiltinType(p.type))
756 strreg(p.type);
757 }
758 }
759
generateProperties()760 void Generator::generateProperties()
761 {
762 //
763 // Create meta data
764 //
765
766 if (cdef->propertyList.count())
767 fprintf(out, "\n // properties: name, type, flags\n");
768 for (int i = 0; i < cdef->propertyList.count(); ++i) {
769 const PropertyDef &p = cdef->propertyList.at(i);
770 uint flags = Invalid;
771 if (!isBuiltinType(p.type))
772 flags |= EnumOrFlag;
773 if (!p.member.isEmpty() && !p.constant)
774 flags |= Writable;
775 if (!p.read.isEmpty() || !p.member.isEmpty())
776 flags |= Readable;
777 if (!p.write.isEmpty()) {
778 flags |= Writable;
779 if (p.stdCppSet())
780 flags |= StdCppSet;
781 }
782 if (!p.reset.isEmpty())
783 flags |= Resettable;
784
785 // if (p.override)
786 // flags |= Override;
787
788 if (p.designable.isEmpty())
789 flags |= ResolveDesignable;
790 else if (p.designable != "false")
791 flags |= Designable;
792
793 if (p.scriptable.isEmpty())
794 flags |= ResolveScriptable;
795 else if (p.scriptable != "false")
796 flags |= Scriptable;
797
798 if (p.stored.isEmpty())
799 flags |= ResolveStored;
800 else if (p.stored != "false")
801 flags |= Stored;
802
803 if (p.editable.isEmpty())
804 flags |= ResolveEditable;
805 else if (p.editable != "false")
806 flags |= Editable;
807
808 if (p.user.isEmpty())
809 flags |= ResolveUser;
810 else if (p.user != "false")
811 flags |= User;
812
813 if (p.notifyId != -1)
814 flags |= Notify;
815
816 if (p.revision > 0)
817 flags |= Revisioned;
818
819 if (p.constant)
820 flags |= Constant;
821 if (p.final)
822 flags |= Final;
823
824 fprintf(out, " %4d, ", stridx(p.name));
825 generateTypeInfo(p.type);
826 fprintf(out, ", 0x%.8x,\n", flags);
827 }
828
829 if(cdef->notifyableProperties) {
830 fprintf(out, "\n // properties: notify_signal_id\n");
831 for (int i = 0; i < cdef->propertyList.count(); ++i) {
832 const PropertyDef &p = cdef->propertyList.at(i);
833 if(p.notifyId == -1)
834 fprintf(out, " %4d,\n",
835 0);
836 else
837 fprintf(out, " %4d,\n",
838 p.notifyId);
839 }
840 }
841 if (cdef->revisionedProperties) {
842 fprintf(out, "\n // properties: revision\n");
843 for (int i = 0; i < cdef->propertyList.count(); ++i) {
844 const PropertyDef &p = cdef->propertyList.at(i);
845 fprintf(out, " %4d,\n", p.revision);
846 }
847 }
848 }
849
registerEnumStrings()850 void Generator::registerEnumStrings()
851 {
852 for (int i = 0; i < cdef->enumList.count(); ++i) {
853 const EnumDef &e = cdef->enumList.at(i);
854 strreg(e.name);
855 for (int j = 0; j < e.values.count(); ++j)
856 strreg(e.values.at(j));
857 }
858 }
859
generateEnums(int index)860 void Generator::generateEnums(int index)
861 {
862 if (cdef->enumDeclarations.isEmpty())
863 return;
864
865 fprintf(out, "\n // enums: name, flags, count, data\n");
866 index += 4 * cdef->enumList.count();
867 int i;
868 for (i = 0; i < cdef->enumList.count(); ++i) {
869 const EnumDef &e = cdef->enumList.at(i);
870 fprintf(out, " %4d, 0x%.1x, %4d, %4d,\n",
871 stridx(e.name),
872 cdef->enumDeclarations.value(e.name) ? 1 : 0,
873 e.values.count(),
874 index);
875 index += e.values.count() * 2;
876 }
877
878 fprintf(out, "\n // enum data: key, value\n");
879 for (i = 0; i < cdef->enumList.count(); ++i) {
880 const EnumDef &e = cdef->enumList.at(i);
881 for (int j = 0; j < e.values.count(); ++j) {
882 const QByteArray &val = e.values.at(j);
883 QByteArray code = cdef->qualified.constData();
884 if (e.isEnumClass)
885 code += "::" + e.name;
886 code += "::" + val;
887 fprintf(out, " %4d, uint(%s),\n",
888 stridx(val), code.constData());
889 }
890 }
891 }
892
generateMetacall()893 void Generator::generateMetacall()
894 {
895 bool isQObject = (cdef->classname == "QObject");
896
897 fprintf(out, "\nint %s::qt_metacall(QMetaObject::Call _c, int _id, void **_a)\n{\n",
898 cdef->qualified.constData());
899
900 if (!purestSuperClass.isEmpty() && !isQObject) {
901 QByteArray superClass = purestSuperClass;
902 fprintf(out, " _id = %s::qt_metacall(_c, _id, _a);\n", superClass.constData());
903 }
904
905 fprintf(out, " if (_id < 0)\n return _id;\n");
906 fprintf(out, " ");
907
908 bool needElse = false;
909 QList<FunctionDef> methodList;
910 methodList += cdef->signalList;
911 methodList += cdef->slotList;
912 methodList += cdef->methodList;
913
914 if (methodList.size()) {
915 needElse = true;
916 fprintf(out, "if (_c == QMetaObject::InvokeMetaMethod) {\n");
917 fprintf(out, " if (_id < %d)\n", methodList.size());
918 fprintf(out, " qt_static_metacall(this, _c, _id, _a);\n");
919 fprintf(out, " _id -= %d;\n }", methodList.size());
920
921 fprintf(out, " else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {\n");
922 fprintf(out, " if (_id < %d)\n", methodList.size());
923
924 if (methodsWithAutomaticTypesHelper(methodList).isEmpty())
925 fprintf(out, " *reinterpret_cast<int*>(_a[0]) = -1;\n");
926 else
927 fprintf(out, " qt_static_metacall(this, _c, _id, _a);\n");
928 fprintf(out, " _id -= %d;\n }", methodList.size());
929
930 }
931
932 if (cdef->propertyList.size()) {
933 bool needDesignable = false;
934 bool needScriptable = false;
935 bool needStored = false;
936 bool needEditable = false;
937 bool needUser = false;
938 for (int i = 0; i < cdef->propertyList.size(); ++i) {
939 const PropertyDef &p = cdef->propertyList.at(i);
940 needDesignable |= p.designable.endsWith(')');
941 needScriptable |= p.scriptable.endsWith(')');
942 needStored |= p.stored.endsWith(')');
943 needEditable |= p.editable.endsWith(')');
944 needUser |= p.user.endsWith(')');
945 }
946
947 fprintf(out, "\n#ifndef QT_NO_PROPERTIES\n ");
948 if (needElse)
949 fprintf(out, "else ");
950 fprintf(out,
951 "if (_c == QMetaObject::ReadProperty || _c == QMetaObject::WriteProperty\n"
952 " || _c == QMetaObject::ResetProperty || _c == QMetaObject::RegisterPropertyMetaType) {\n"
953 " qt_static_metacall(this, _c, _id, _a);\n"
954 " _id -= %d;\n }", cdef->propertyList.count());
955
956 fprintf(out, " else ");
957 fprintf(out, "if (_c == QMetaObject::QueryPropertyDesignable) {\n");
958 if (needDesignable) {
959 fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
960 fprintf(out, " switch (_id) {\n");
961 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
962 const PropertyDef &p = cdef->propertyList.at(propindex);
963 if (!p.designable.endsWith(')'))
964 continue;
965 fprintf(out, " case %d: *_b = %s; break;\n",
966 propindex, p.designable.constData());
967 }
968 fprintf(out, " default: break;\n");
969 fprintf(out, " }\n");
970 }
971 fprintf(out,
972 " _id -= %d;\n"
973 " }", cdef->propertyList.count());
974
975 fprintf(out, " else ");
976 fprintf(out, "if (_c == QMetaObject::QueryPropertyScriptable) {\n");
977 if (needScriptable) {
978 fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
979 fprintf(out, " switch (_id) {\n");
980 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
981 const PropertyDef &p = cdef->propertyList.at(propindex);
982 if (!p.scriptable.endsWith(')'))
983 continue;
984 fprintf(out, " case %d: *_b = %s; break;\n",
985 propindex, p.scriptable.constData());
986 }
987 fprintf(out, " default: break;\n");
988 fprintf(out, " }\n");
989 }
990 fprintf(out,
991 " _id -= %d;\n"
992 " }", cdef->propertyList.count());
993
994 fprintf(out, " else ");
995 fprintf(out, "if (_c == QMetaObject::QueryPropertyStored) {\n");
996 if (needStored) {
997 fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
998 fprintf(out, " switch (_id) {\n");
999 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1000 const PropertyDef &p = cdef->propertyList.at(propindex);
1001 if (!p.stored.endsWith(')'))
1002 continue;
1003 fprintf(out, " case %d: *_b = %s; break;\n",
1004 propindex, p.stored.constData());
1005 }
1006 fprintf(out, " default: break;\n");
1007 fprintf(out, " }\n");
1008 }
1009 fprintf(out,
1010 " _id -= %d;\n"
1011 " }", cdef->propertyList.count());
1012
1013 fprintf(out, " else ");
1014 fprintf(out, "if (_c == QMetaObject::QueryPropertyEditable) {\n");
1015 if (needEditable) {
1016 fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
1017 fprintf(out, " switch (_id) {\n");
1018 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1019 const PropertyDef &p = cdef->propertyList.at(propindex);
1020 if (!p.editable.endsWith(')'))
1021 continue;
1022 fprintf(out, " case %d: *_b = %s; break;\n",
1023 propindex, p.editable.constData());
1024 }
1025 fprintf(out, " default: break;\n");
1026 fprintf(out, " }\n");
1027 }
1028 fprintf(out,
1029 " _id -= %d;\n"
1030 " }", cdef->propertyList.count());
1031
1032
1033 fprintf(out, " else ");
1034 fprintf(out, "if (_c == QMetaObject::QueryPropertyUser) {\n");
1035 if (needUser) {
1036 fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
1037 fprintf(out, " switch (_id) {\n");
1038 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1039 const PropertyDef &p = cdef->propertyList.at(propindex);
1040 if (!p.user.endsWith(')'))
1041 continue;
1042 fprintf(out, " case %d: *_b = %s; break;\n",
1043 propindex, p.user.constData());
1044 }
1045 fprintf(out, " default: break;\n");
1046 fprintf(out, " }\n");
1047 }
1048 fprintf(out,
1049 " _id -= %d;\n"
1050 " }", cdef->propertyList.count());
1051
1052 fprintf(out, "\n#endif // QT_NO_PROPERTIES");
1053 }
1054 if (methodList.size() || cdef->signalList.size() || cdef->propertyList.size())
1055 fprintf(out, "\n ");
1056 fprintf(out,"return _id;\n}\n");
1057 }
1058
1059
automaticPropertyMetaTypesHelper()1060 QMultiMap<QByteArray, int> Generator::automaticPropertyMetaTypesHelper()
1061 {
1062 QMultiMap<QByteArray, int> automaticPropertyMetaTypes;
1063 for (int i = 0; i < cdef->propertyList.size(); ++i) {
1064 const QByteArray propertyType = cdef->propertyList.at(i).type;
1065 if (registerableMetaType(propertyType) && !isBuiltinType(propertyType))
1066 automaticPropertyMetaTypes.insert(propertyType, i);
1067 }
1068 return automaticPropertyMetaTypes;
1069 }
1070
methodsWithAutomaticTypesHelper(const QList<FunctionDef> & methodList)1071 QMap<int, QMultiMap<QByteArray, int> > Generator::methodsWithAutomaticTypesHelper(const QList<FunctionDef> &methodList)
1072 {
1073 QMap<int, QMultiMap<QByteArray, int> > methodsWithAutomaticTypes;
1074 for (int i = 0; i < methodList.size(); ++i) {
1075 const FunctionDef &f = methodList.at(i);
1076 for (int j = 0; j < f.arguments.count(); ++j) {
1077 const QByteArray argType = f.arguments.at(j).normalizedType;
1078 if (registerableMetaType(argType) && !isBuiltinType(argType))
1079 methodsWithAutomaticTypes[i].insert(argType, j);
1080 }
1081 }
1082 return methodsWithAutomaticTypes;
1083 }
1084
generateStaticMetacall()1085 void Generator::generateStaticMetacall()
1086 {
1087 fprintf(out, "void %s::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a)\n{\n",
1088 cdef->qualified.constData());
1089
1090 bool needElse = false;
1091 bool isUsed_a = false;
1092
1093 if (!cdef->constructorList.isEmpty()) {
1094 fprintf(out, " if (_c == QMetaObject::CreateInstance) {\n");
1095 fprintf(out, " switch (_id) {\n");
1096 for (int ctorindex = 0; ctorindex < cdef->constructorList.count(); ++ctorindex) {
1097 fprintf(out, " case %d: { %s *_r = new %s(", ctorindex,
1098 cdef->classname.constData(), cdef->classname.constData());
1099 const FunctionDef &f = cdef->constructorList.at(ctorindex);
1100 int offset = 1;
1101
1102 int argsCount = f.arguments.count();
1103 for (int j = 0; j < argsCount; ++j) {
1104 const ArgumentDef &a = f.arguments.at(j);
1105 if (j)
1106 fprintf(out, ",");
1107 fprintf(out, "(*reinterpret_cast< %s>(_a[%d]))", a.typeNameForCast.constData(), offset++);
1108 }
1109 if (f.isPrivateSignal) {
1110 if (argsCount > 0)
1111 fprintf(out, ", ");
1112 fprintf(out, "%s", QByteArray("QPrivateSignal()").constData());
1113 }
1114 fprintf(out, ");\n");
1115 fprintf(out, " if (_a[0]) *reinterpret_cast<%s**>(_a[0]) = _r; } break;\n",
1116 cdef->hasQGadget ? "void" : "QObject");
1117 }
1118 fprintf(out, " default: break;\n");
1119 fprintf(out, " }\n");
1120 fprintf(out, " }");
1121 needElse = true;
1122 isUsed_a = true;
1123 }
1124
1125 QList<FunctionDef> methodList;
1126 methodList += cdef->signalList;
1127 methodList += cdef->slotList;
1128 methodList += cdef->methodList;
1129
1130 if (!methodList.isEmpty()) {
1131 if (needElse)
1132 fprintf(out, " else ");
1133 else
1134 fprintf(out, " ");
1135 fprintf(out, "if (_c == QMetaObject::InvokeMetaMethod) {\n");
1136 if (cdef->hasQObject) {
1137 #ifndef QT_NO_DEBUG
1138 fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
1139 #endif
1140 fprintf(out, " %s *_t = static_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1141 } else {
1142 fprintf(out, " %s *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1143 }
1144 fprintf(out, " Q_UNUSED(_t)\n");
1145 fprintf(out, " switch (_id) {\n");
1146 for (int methodindex = 0; methodindex < methodList.size(); ++methodindex) {
1147 const FunctionDef &f = methodList.at(methodindex);
1148 Q_ASSERT(!f.normalizedType.isEmpty());
1149 fprintf(out, " case %d: ", methodindex);
1150
1151 //---- Changed from the original in moc
1152 if (f.implementation) {
1153 fprintf(out, f.implementation, "_o", methodindex);
1154 fprintf(out, " break;\n");
1155 continue;
1156 }
1157 //---- End of change
1158
1159 if (f.normalizedType != "void")
1160 fprintf(out, "{ %s _r = ", noRef(f.normalizedType).constData());
1161 fprintf(out, "_t->");
1162 if (f.inPrivateClass.size())
1163 fprintf(out, "%s->", f.inPrivateClass.constData());
1164 fprintf(out, "%s(", f.name.constData());
1165 int offset = 1;
1166
1167 int argsCount = f.arguments.count();
1168 for (int j = 0; j < argsCount; ++j) {
1169 const ArgumentDef &a = f.arguments.at(j);
1170 if (j)
1171 fprintf(out, ",");
1172 fprintf(out, "(*reinterpret_cast< %s>(_a[%d]))",a.typeNameForCast.constData(), offset++);
1173 isUsed_a = true;
1174 }
1175 if (f.isPrivateSignal) {
1176 if (argsCount > 0)
1177 fprintf(out, ", ");
1178 fprintf(out, "%s", "QPrivateSignal()");
1179 }
1180 fprintf(out, ");");
1181 if (f.normalizedType != "void") {
1182 fprintf(out, "\n if (_a[0]) *reinterpret_cast< %s*>(_a[0]) = _r; } ",
1183 noRef(f.normalizedType).constData());
1184 isUsed_a = true;
1185 }
1186 fprintf(out, " break;\n");
1187 }
1188 fprintf(out, " default: ;\n");
1189 fprintf(out, " }\n");
1190 fprintf(out, " }");
1191 needElse = true;
1192
1193 QMap<int, QMultiMap<QByteArray, int> > methodsWithAutomaticTypes = methodsWithAutomaticTypesHelper(methodList);
1194
1195 if (!methodsWithAutomaticTypes.isEmpty()) {
1196 fprintf(out, " else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {\n");
1197 fprintf(out, " switch (_id) {\n");
1198 fprintf(out, " default: *reinterpret_cast<int*>(_a[0]) = -1; break;\n");
1199 QMap<int, QMultiMap<QByteArray, int> >::const_iterator it = methodsWithAutomaticTypes.constBegin();
1200 const QMap<int, QMultiMap<QByteArray, int> >::const_iterator end = methodsWithAutomaticTypes.constEnd();
1201 for ( ; it != end; ++it) {
1202 fprintf(out, " case %d:\n", it.key());
1203 fprintf(out, " switch (*reinterpret_cast<int*>(_a[1])) {\n");
1204 fprintf(out, " default: *reinterpret_cast<int*>(_a[0]) = -1; break;\n");
1205 for (const QByteArray &key : it->uniqueKeys()) {
1206 for (int argumentID : it->values(key))
1207 fprintf(out, " case %d:\n", argumentID);
1208 fprintf(out, " *reinterpret_cast<int*>(_a[0]) = qRegisterMetaType< %s >(); break;\n", key.constData());
1209 }
1210 fprintf(out, " }\n");
1211 fprintf(out, " break;\n");
1212 }
1213 fprintf(out, " }\n");
1214 fprintf(out, " }");
1215 isUsed_a = true;
1216 }
1217
1218 }
1219 if (!cdef->signalList.isEmpty()) {
1220 Q_ASSERT(needElse); // if there is signal, there was method.
1221 fprintf(out, " else if (_c == QMetaObject::IndexOfMethod) {\n");
1222 fprintf(out, " int *result = reinterpret_cast<int *>(_a[0]);\n");
1223 fprintf(out, " void **func = reinterpret_cast<void **>(_a[1]);\n");
1224 bool anythingUsed = false;
1225 for (int methodindex = 0; methodindex < cdef->signalList.size(); ++methodindex) {
1226 const FunctionDef &f = cdef->signalList.at(methodindex);
1227 if (f.wasCloned || !f.inPrivateClass.isEmpty() || f.isStatic || f.mangledName.isEmpty())
1228 continue;
1229 anythingUsed = true;
1230 fprintf(out, " {\n");
1231 fprintf(out, " typedef %s (%s::*_t)(",f.type.rawName.constData() , cdef->classname.constData());
1232
1233 int argsCount = f.arguments.count();
1234 for (int j = 0; j < argsCount; ++j) {
1235 const ArgumentDef &a = f.arguments.at(j);
1236 if (j)
1237 fprintf(out, ", ");
1238 fprintf(out, "%s", QByteArray(a.type.name + ' ' + a.rightType).constData());
1239 }
1240 if (f.isPrivateSignal) {
1241 if (argsCount > 0)
1242 fprintf(out, ", ");
1243 fprintf(out, "%s", "QPrivateSignal");
1244 }
1245 if (f.isConst)
1246 fprintf(out, ") const;\n");
1247 else
1248 fprintf(out, ");\n");
1249 fprintf(out, " if (*reinterpret_cast<_t *>(func) == static_cast<_t>(&%s::%s)) {\n",
1250 cdef->classname.constData(), f.mangledName.constData());
1251 fprintf(out, " *result = %d;\n", methodindex);
1252 fprintf(out, " return;\n");
1253 fprintf(out, " }\n }\n");
1254 }
1255 if (!anythingUsed)
1256 fprintf(out, " Q_UNUSED(result);\n Q_UNUSED(func);\n");
1257 fprintf(out, " }");
1258 needElse = true;
1259 }
1260
1261 QMultiMap<QByteArray, int> automaticPropertyMetaTypes = automaticPropertyMetaTypesHelper();
1262
1263 if (!automaticPropertyMetaTypes.isEmpty()) {
1264 if (needElse)
1265 fprintf(out, " else ");
1266 else
1267 fprintf(out, " ");
1268 fprintf(out, "if (_c == QMetaObject::RegisterPropertyMetaType) {\n");
1269 fprintf(out, " switch (_id) {\n");
1270 fprintf(out, " default: *reinterpret_cast<int*>(_a[0]) = -1; break;\n");
1271 for (const QByteArray &key : automaticPropertyMetaTypes.uniqueKeys()) {
1272 for (int propertyID : automaticPropertyMetaTypes.values(key))
1273 fprintf(out, " case %d:\n", propertyID);
1274 fprintf(out, " *reinterpret_cast<int*>(_a[0]) = qRegisterMetaType< %s >(); break;\n", key.constData());
1275 }
1276 fprintf(out, " }\n");
1277 fprintf(out, " }\n");
1278 isUsed_a = true;
1279 needElse = true;
1280 }
1281
1282 if (!cdef->propertyList.empty()) {
1283 bool needGet = false;
1284 bool needTempVarForGet = false;
1285 bool needSet = false;
1286 bool needReset = false;
1287 for (int i = 0; i < cdef->propertyList.size(); ++i) {
1288 const PropertyDef &p = cdef->propertyList.at(i);
1289 needGet |= !p.read.isEmpty() || !p.member.isEmpty();
1290 if (!p.read.isEmpty() || !p.member.isEmpty())
1291 needTempVarForGet |= (p.gspec != PropertyDef::PointerSpec
1292 && p.gspec != PropertyDef::ReferenceSpec);
1293
1294 needSet |= !p.write.isEmpty() || (!p.member.isEmpty() && !p.constant);
1295 needReset |= !p.reset.isEmpty();
1296 }
1297 fprintf(out, "\n#ifndef QT_NO_PROPERTIES\n ");
1298
1299 if (needElse)
1300 fprintf(out, "else ");
1301 fprintf(out, "if (_c == QMetaObject::ReadProperty) {\n");
1302 if (needGet) {
1303 if (cdef->hasQObject) {
1304 #ifndef QT_NO_DEBUG
1305 fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
1306 #endif
1307 fprintf(out, " %s *_t = static_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1308 } else {
1309 fprintf(out, " %s *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1310 }
1311 fprintf(out, " Q_UNUSED(_t)\n");
1312 if (needTempVarForGet)
1313 fprintf(out, " void *_v = _a[0];\n");
1314 fprintf(out, " switch (_id) {\n");
1315 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1316 const PropertyDef &p = cdef->propertyList.at(propindex);
1317 if (p.read.isEmpty() && p.member.isEmpty())
1318 continue;
1319 QByteArray prefix = "_t->";
1320 if (p.inPrivateClass.size()) {
1321 prefix += p.inPrivateClass + "->";
1322 }
1323 if (p.gspec == PropertyDef::PointerSpec)
1324 fprintf(out, " case %d: _a[0] = const_cast<void*>(reinterpret_cast<const void*>(%s%s())); break;\n",
1325 propindex, prefix.constData(), p.read.constData());
1326 else if (p.gspec == PropertyDef::ReferenceSpec)
1327 fprintf(out, " case %d: _a[0] = const_cast<void*>(reinterpret_cast<const void*>(&%s%s())); break;\n",
1328 propindex, prefix.constData(), p.read.constData());
1329 else if (cdef->enumDeclarations.value(p.type, false))
1330 fprintf(out, " case %d: *reinterpret_cast<int*>(_v) = QFlag(%s%s()); break;\n",
1331 propindex, prefix.constData(), p.read.constData());
1332 else if (!p.read.isEmpty())
1333 //---- Changed from the original in moc
1334 {
1335 fprintf(out, " case %d: *reinterpret_cast< %s*>(_v) = %s%s%s; break;\n",
1336 propindex, p.type.constData(), prefix.constData(), p.read.constData(),
1337 p.read.endsWith(')') ? "" : "()");
1338 }
1339 //---- End of change
1340 else
1341 fprintf(out, " case %d: *reinterpret_cast< %s*>(_v) = %s%s; break;\n",
1342 propindex, p.type.constData(), prefix.constData(), p.member.constData());
1343 }
1344 fprintf(out, " default: break;\n");
1345 fprintf(out, " }\n");
1346 }
1347
1348 fprintf(out, " }");
1349
1350 fprintf(out, " else ");
1351 fprintf(out, "if (_c == QMetaObject::WriteProperty) {\n");
1352
1353 if (needSet) {
1354 if (cdef->hasQObject) {
1355 #ifndef QT_NO_DEBUG
1356 fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
1357 #endif
1358 fprintf(out, " %s *_t = static_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1359 } else {
1360 fprintf(out, " %s *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1361 }
1362 fprintf(out, " Q_UNUSED(_t)\n");
1363 fprintf(out, " void *_v = _a[0];\n");
1364 fprintf(out, " switch (_id) {\n");
1365 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1366 const PropertyDef &p = cdef->propertyList.at(propindex);
1367 if (p.constant)
1368 continue;
1369 if (p.write.isEmpty() && p.member.isEmpty())
1370 continue;
1371 QByteArray prefix = "_t->";
1372 if (p.inPrivateClass.size()) {
1373 prefix += p.inPrivateClass + "->";
1374 }
1375 if (cdef->enumDeclarations.value(p.type, false)) {
1376 fprintf(out, " case %d: %s%s(QFlag(*reinterpret_cast<int*>(_v))); break;\n",
1377 propindex, prefix.constData(), p.write.constData());
1378 } else if (!p.write.isEmpty()) {
1379 fprintf(out, " case %d: %s%s(*reinterpret_cast< %s*>(_v)); break;\n",
1380 propindex, prefix.constData(), p.write.constData(), p.type.constData());
1381 } else {
1382 fprintf(out, " case %d:\n", propindex);
1383 fprintf(out, " if (%s%s != *reinterpret_cast< %s*>(_v)) {\n",
1384 prefix.constData(), p.member.constData(), p.type.constData());
1385 fprintf(out, " %s%s = *reinterpret_cast< %s*>(_v);\n",
1386 prefix.constData(), p.member.constData(), p.type.constData());
1387 if (!p.notify.isEmpty() && p.notifyId != -1) {
1388 const FunctionDef &f = cdef->signalList.at(p.notifyId);
1389 if (f.arguments.size() == 0)
1390 fprintf(out, " Q_EMIT _t->%s();\n", p.notify.constData());
1391 else if (f.arguments.size() == 1 && f.arguments.at(0).normalizedType == p.type)
1392 fprintf(out, " Q_EMIT _t->%s(%s%s);\n",
1393 p.notify.constData(), prefix.constData(), p.member.constData());
1394 }
1395 fprintf(out, " }\n");
1396 fprintf(out, " break;\n");
1397 }
1398 }
1399 fprintf(out, " default: break;\n");
1400 fprintf(out, " }\n");
1401 }
1402
1403 fprintf(out, " }");
1404
1405 fprintf(out, " else ");
1406 fprintf(out, "if (_c == QMetaObject::ResetProperty) {\n");
1407 if (needReset) {
1408 if (cdef->hasQObject) {
1409 #ifndef QT_NO_DEBUG
1410 fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
1411 #endif
1412 fprintf(out, " %s *_t = static_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1413 } else {
1414 fprintf(out, " %s *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
1415 }
1416 fprintf(out, " Q_UNUSED(_t)\n");
1417 fprintf(out, " switch (_id) {\n");
1418 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1419 const PropertyDef &p = cdef->propertyList.at(propindex);
1420 if (!p.reset.endsWith(')'))
1421 continue;
1422 QByteArray prefix = "_t->";
1423 if (p.inPrivateClass.size()) {
1424 prefix += p.inPrivateClass + "->";
1425 }
1426 fprintf(out, " case %d: %s%s; break;\n",
1427 propindex, prefix.constData(), p.reset.constData());
1428 }
1429 fprintf(out, " default: break;\n");
1430 fprintf(out, " }\n");
1431 }
1432 fprintf(out, " }");
1433 fprintf(out, "\n#endif // QT_NO_PROPERTIES");
1434 needElse = true;
1435 }
1436
1437 if (needElse)
1438 fprintf(out, "\n");
1439
1440 if (methodList.isEmpty()) {
1441 fprintf(out, " Q_UNUSED(_o);\n");
1442 if (cdef->constructorList.isEmpty() && automaticPropertyMetaTypes.isEmpty() && methodsWithAutomaticTypesHelper(methodList).isEmpty()) {
1443 fprintf(out, " Q_UNUSED(_id);\n");
1444 fprintf(out, " Q_UNUSED(_c);\n");
1445 }
1446 }
1447 if (!isUsed_a)
1448 fprintf(out, " Q_UNUSED(_a);\n");
1449
1450 fprintf(out, "}\n\n");
1451 }
1452
generateSignal(FunctionDef * def,int index)1453 void Generator::generateSignal(FunctionDef *def,int index)
1454 {
1455 if (def->wasCloned || def->isAbstract || def->implementation)
1456 return;
1457 fprintf(out, "\n// SIGNAL %d\n%s %s::%s(",
1458 index, def->type.name.constData(), cdef->qualified.constData(), def->name.constData());
1459
1460 QByteArray thisPtr = "this";
1461 const char *constQualifier = "";
1462
1463 if (def->isConst) {
1464 thisPtr = "const_cast< ";
1465 thisPtr += cdef->qualified;
1466 thisPtr += " *>(this)";
1467 constQualifier = "const";
1468 }
1469
1470 Q_ASSERT(!def->normalizedType.isEmpty());
1471 if (def->arguments.isEmpty() && def->normalizedType == "void") {
1472 if (def->isPrivateSignal)
1473 fprintf(out, "QPrivateSignal");
1474
1475 fprintf(out, ")%s\n{\n"
1476 " QMetaObject::activate(%s, &staticMetaObject, %d, nullptr);\n"
1477 "}\n", constQualifier, thisPtr.constData(), index);
1478 return;
1479 }
1480
1481 int offset = 1;
1482 for (int j = 0; j < def->arguments.count(); ++j) {
1483 const ArgumentDef &a = def->arguments.at(j);
1484 if (j)
1485 fprintf(out, ", ");
1486 fprintf(out, "%s _t%d%s", a.type.name.constData(), offset++, a.rightType.constData());
1487 }
1488 if (def->isPrivateSignal) {
1489 if (!def->arguments.isEmpty())
1490 fprintf(out, ", ");
1491 fprintf(out, "QPrivateSignal");
1492 }
1493
1494 fprintf(out, ")%s\n{\n", constQualifier);
1495 if (def->type.name.size() && def->normalizedType != "void") {
1496 QByteArray returnType = noRef(def->normalizedType);
1497 if (returnType.endsWith('*')) {
1498 fprintf(out, " %s _t0 = 0;\n", returnType.constData());
1499 } else {
1500 fprintf(out, " %s _t0 = %s();\n", returnType.constData(), returnType.constData());
1501 }
1502 }
1503
1504 fprintf(out, " void *_a[] = { ");
1505 if (def->normalizedType == "void") {
1506 fprintf(out, "nullptr");
1507 } else {
1508 fprintf(out, "const_cast<void*>(reinterpret_cast<const void*>(&_t0))");
1509 }
1510 int i;
1511 for (i = 1; i < offset; ++i)
1512 if (def->arguments.at(i - 1).type.isVolatile)
1513 fprintf(out, ", const_cast<void*>(reinterpret_cast<const volatile void*>(&_t%d))", i);
1514 else
1515 fprintf(out, ", const_cast<void*>(reinterpret_cast<const void*>(&_t%d))", i);
1516 fprintf(out, " };\n");
1517 fprintf(out, " QMetaObject::activate(%s, &staticMetaObject, %d, _a);\n", thisPtr.constData(), index);
1518 if (def->normalizedType != "void")
1519 fprintf(out, " return _t0;\n");
1520 fprintf(out, "}\n");
1521 }
1522
generateAccessorDefs()1523 void Generator::generateAccessorDefs()
1524 {
1525 for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
1526 const PropertyDef &p = cdef->propertyList.at(propindex);
1527 if (p.read.isEmpty() || p.mangledName.isEmpty())
1528 continue;
1529
1530 fprintf(out, "bool %s::%s() const\n{\n return %s;\n}\n\n", cdef->classname.constData(),
1531 p.mangledName.constData(), p.read.constData());
1532 }
1533 }
1534
generateSignalDefs()1535 void Generator::generateSignalDefs()
1536 {
1537 for (int methodindex = 0; methodindex < cdef->signalList.size(); ++methodindex) {
1538 const FunctionDef &f = cdef->signalList.at(methodindex);
1539 if (!f.implementation || f.mangledName.isEmpty())
1540 continue;
1541
1542 fprintf(out, "void %s::%s(bool _t1)\n{\n", cdef->classname.constData(),
1543 f.mangledName.constData());
1544 fprintf(out, " void *_a[] = { nullptr, "
1545 "const_cast<void*>(reinterpret_cast<const void*>(&_t1)) };\n ");
1546 fprintf(out, f.implementation, "this", methodindex);
1547 fprintf(out, "\n}\n\n");
1548 }
1549 }
1550
1551 #if 0
1552 static void writePluginMetaData(FILE *out, const QJsonObject &data)
1553 {
1554 const QJsonDocument doc(data);
1555
1556 fputs("\nQT_PLUGIN_METADATA_SECTION\n"
1557 "static const unsigned char qt_pluginMetaData[] = {\n"
1558 " 'Q', 'T', 'M', 'E', 'T', 'A', 'D', 'A', 'T', 'A', ' ', ' ',\n ", out);
1559 #if 0
1560 fprintf(out, "\"%s\";\n", doc.toJson().constData());
1561 #else
1562 const QByteArray binary = doc.toBinaryData();
1563 const int last = binary.size() - 1;
1564 for (int i = 0; i < last; ++i) {
1565 uchar c = (uchar)binary.at(i);
1566 if (c < 0x20 || c >= 0x7f)
1567 fprintf(out, " 0x%02x,", c);
1568 else if (c == '\'' || c == '\\')
1569 fprintf(out, " '\\%c',", c);
1570 else
1571 fprintf(out, " '%c', ", c);
1572 if (!((i + 1) % 8))
1573 fputs("\n ", out);
1574 }
1575 fprintf(out, " 0x%02x\n};\n", (uchar)binary.at(last));
1576 #endif
1577 }
1578
1579 void Generator::generatePluginMetaData()
1580 {
1581 if (cdef->pluginData.iid.isEmpty())
1582 return;
1583
1584 // Write plugin meta data #ifdefed QT_NO_DEBUG with debug=false,
1585 // true, respectively.
1586
1587 QJsonObject data;
1588 const QString debugKey = QStringLiteral("debug");
1589 data.insert(QStringLiteral("IID"), QLatin1String(cdef->pluginData.iid.constData()));
1590 data.insert(QStringLiteral("className"), QLatin1String(cdef->classname.constData()));
1591 data.insert(QStringLiteral("version"), (int)QT_VERSION);
1592 data.insert(debugKey, QJsonValue(false));
1593 data.insert(QStringLiteral("MetaData"), cdef->pluginData.metaData.object());
1594
1595 // Add -M args from the command line:
1596 for (auto it = cdef->pluginData.metaArgs.cbegin(), end = cdef->pluginData.metaArgs.cend(); it != end; ++it)
1597 data.insert(it.key(), it.value());
1598
1599 fputs("\nQT_PLUGIN_METADATA_SECTION const uint qt_section_alignment_dummy = 42;\n\n"
1600 "#ifdef QT_NO_DEBUG\n", out);
1601 writePluginMetaData(out, data);
1602
1603 fputs("\n#else // QT_NO_DEBUG\n", out);
1604
1605 data.remove(debugKey);
1606 data.insert(debugKey, QJsonValue(true));
1607 writePluginMetaData(out, data);
1608
1609 fputs("#endif // QT_NO_DEBUG\n\n", out);
1610
1611 // 'Use' all namespaces.
1612 int pos = cdef->qualified.indexOf("::");
1613 for ( ; pos != -1 ; pos = cdef->qualified.indexOf("::", pos + 2) )
1614 fprintf(out, "using namespace %s;\n", cdef->qualified.left(pos).constData());
1615 fprintf(out, "QT_MOC_EXPORT_PLUGIN(%s, %s)\n\n",
1616 cdef->qualified.constData(), cdef->classname.constData());
1617 }
1618 #endif
1619
1620 QT_END_NAMESPACE
1621