blob: 6a74e739e6d6444d3971ed5b08599cbb275b54c7 [file] [log] [blame]
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2013 Olivier Goffart <ogoffart@woboq.com>
** Copyright (C) 2018 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "generator.h"
#include "cbordevice.h"
#include "outputrevision.h"
#include "utils.h"
#include <QtCore/qmetatype.h>
#include <QtCore/qjsondocument.h>
#include <QtCore/qjsonobject.h>
#include <QtCore/qjsonvalue.h>
#include <QtCore/qjsonarray.h>
#include <QtCore/qplugin.h>
#include <QtCore/qstringview.h>
#include <math.h>
#include <stdio.h>
#include <private/qmetaobject_p.h> //for the flags.
#include <private/qplugin_p.h> //for the flags.
QT_BEGIN_NAMESPACE
uint nameToBuiltinType(const QByteArray &name)
{
if (name.isEmpty())
return 0;
uint tp = QMetaType::type(name.constData());
return tp < uint(QMetaType::User) ? tp : uint(QMetaType::UnknownType);
}
/*
Returns \c true if the type is a built-in type.
*/
bool isBuiltinType(const QByteArray &type)
{
int id = QMetaType::type(type.constData());
if (id == QMetaType::UnknownType)
return false;
return (id < QMetaType::User);
}
static const char *metaTypeEnumValueString(int type)
{
#define RETURN_METATYPENAME_STRING(MetaTypeName, MetaTypeId, RealType) \
case QMetaType::MetaTypeName: return #MetaTypeName;
switch (type) {
QT_FOR_EACH_STATIC_TYPE(RETURN_METATYPENAME_STRING)
}
#undef RETURN_METATYPENAME_STRING
return 0;
}
Generator::Generator(ClassDef *classDef, const QVector<QByteArray> &metaTypes, const QHash<QByteArray, QByteArray> &knownQObjectClasses, const QHash<QByteArray, QByteArray> &knownGadgets, FILE *outfile)
: out(outfile), cdef(classDef), metaTypes(metaTypes), knownQObjectClasses(knownQObjectClasses)
, knownGadgets(knownGadgets)
{
if (cdef->superclassList.size())
purestSuperClass = cdef->superclassList.constFirst().first;
}
static inline int lengthOfEscapeSequence(const QByteArray &s, int i)
{
if (s.at(i) != '\\' || i >= s.length() - 1)
return 1;
const int startPos = i;
++i;
char ch = s.at(i);
if (ch == 'x') {
++i;
while (i < s.length() && is_hex_char(s.at(i)))
++i;
} else if (is_octal_char(ch)) {
while (i < startPos + 4
&& i < s.length()
&& is_octal_char(s.at(i))) {
++i;
}
} else { // single character escape sequence
i = qMin(i + 1, s.length());
}
return i - startPos;
}
void Generator::strreg(const QByteArray &s)
{
if (!strings.contains(s))
strings.append(s);
}
int Generator::stridx(const QByteArray &s)
{
int i = strings.indexOf(s);
Q_ASSERT_X(i != -1, Q_FUNC_INFO, "We forgot to register some strings");
return i;
}
// Returns the sum of all parameters (including return type) for the given
// \a list of methods. This is needed for calculating the size of the methods'
// parameter type/name meta-data.
static int aggregateParameterCount(const QVector<FunctionDef> &list)
{
int sum = 0;
for (int i = 0; i < list.count(); ++i)
sum += list.at(i).arguments.count() + 1; // +1 for return type
return sum;
}
bool Generator::registerableMetaType(const QByteArray &propertyType)
{
if (metaTypes.contains(propertyType))
return true;
if (propertyType.endsWith('*')) {
QByteArray objectPointerType = propertyType;
// The objects container stores class names, such as 'QState', 'QLabel' etc,
// not 'QState*', 'QLabel*'. The propertyType does contain the '*', so we need
// to chop it to find the class type in the known QObjects list.
objectPointerType.chop(1);
if (knownQObjectClasses.contains(objectPointerType))
return true;
}
static const QVector<QByteArray> smartPointers = QVector<QByteArray>()
#define STREAM_SMART_POINTER(SMART_POINTER) << #SMART_POINTER
QT_FOR_EACH_AUTOMATIC_TEMPLATE_SMART_POINTER(STREAM_SMART_POINTER)
#undef STREAM_SMART_POINTER
;
for (const QByteArray &smartPointer : smartPointers) {
if (propertyType.startsWith(smartPointer + "<") && !propertyType.endsWith("&"))
return knownQObjectClasses.contains(propertyType.mid(smartPointer.size() + 1, propertyType.size() - smartPointer.size() - 1 - 1));
}
static const QVector<QByteArray> oneArgTemplates = QVector<QByteArray>()
#define STREAM_1ARG_TEMPLATE(TEMPLATENAME) << #TEMPLATENAME
QT_FOR_EACH_AUTOMATIC_TEMPLATE_1ARG(STREAM_1ARG_TEMPLATE)
#undef STREAM_1ARG_TEMPLATE
;
for (const QByteArray &oneArgTemplateType : oneArgTemplates) {
if (propertyType.startsWith(oneArgTemplateType + "<") && propertyType.endsWith(">")) {
const int argumentSize = propertyType.size() - oneArgTemplateType.size() - 1
// The closing '>'
- 1
// templates inside templates have an extra whitespace char to strip.
- (propertyType.at(propertyType.size() - 2) == ' ' ? 1 : 0 );
const QByteArray templateArg = propertyType.mid(oneArgTemplateType.size() + 1, argumentSize);
return isBuiltinType(templateArg) || registerableMetaType(templateArg);
}
}
return false;
}
/* returns \c true if name and qualifiedName refers to the same name.
* If qualified name is "A::B::C", it returns \c true for "C", "B::C" or "A::B::C" */
static bool qualifiedNameEquals(const QByteArray &qualifiedName, const QByteArray &name)
{
if (qualifiedName == name)
return true;
int index = qualifiedName.indexOf("::");
if (index == -1)
return false;
return qualifiedNameEquals(qualifiedName.mid(index+2), name);
}
void Generator::generateCode()
{
bool isQt = (cdef->classname == "Qt");
bool isQObject = (cdef->classname == "QObject");
bool isConstructible = !cdef->constructorList.isEmpty();
// filter out undeclared enumerators and sets
{
QVector<EnumDef> enumList;
for (int i = 0; i < cdef->enumList.count(); ++i) {
EnumDef def = cdef->enumList.at(i);
if (cdef->enumDeclarations.contains(def.name)) {
enumList += def;
}
def.enumName = def.name;
QByteArray alias = cdef->flagAliases.value(def.name);
if (cdef->enumDeclarations.contains(alias)) {
def.name = alias;
enumList += def;
}
}
cdef->enumList = enumList;
}
//
// Register all strings used in data section
//
strreg(cdef->qualified);
registerClassInfoStrings();
registerFunctionStrings(cdef->signalList);
registerFunctionStrings(cdef->slotList);
registerFunctionStrings(cdef->methodList);
registerFunctionStrings(cdef->constructorList);
registerByteArrayVector(cdef->nonClassSignalList);
registerPropertyStrings();
registerEnumStrings();
QByteArray qualifiedClassNameIdentifier = cdef->qualified;
qualifiedClassNameIdentifier.replace(':', '_');
//
// Build stringdata struct
//
const int constCharArraySizeLimit = 65535;
fprintf(out, "struct qt_meta_stringdata_%s_t {\n", qualifiedClassNameIdentifier.constData());
fprintf(out, " QByteArrayData data[%d];\n", strings.size());
{
int stringDataLength = 0;
int stringDataCounter = 0;
for (int i = 0; i < strings.size(); ++i) {
int thisLength = strings.at(i).length() + 1;
stringDataLength += thisLength;
if (stringDataLength / constCharArraySizeLimit) {
// save previous stringdata and start computing the next one.
fprintf(out, " char stringdata%d[%d];\n", stringDataCounter++, stringDataLength - thisLength);
stringDataLength = thisLength;
}
}
fprintf(out, " char stringdata%d[%d];\n", stringDataCounter, stringDataLength);
}
fprintf(out, "};\n");
// Macro that expands into a QByteArrayData. The offset member is
// calculated from 1) the offset of the actual characters in the
// stringdata.stringdata member, and 2) the stringdata.data index of the
// QByteArrayData being defined. This calculation relies on the
// QByteArrayData::data() implementation returning simply "this + offset".
fprintf(out, "#define QT_MOC_LITERAL(idx, ofs, len) \\\n"
" Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \\\n"
" qptrdiff(offsetof(qt_meta_stringdata_%s_t, stringdata0) + ofs \\\n"
" - idx * sizeof(QByteArrayData)) \\\n"
" )\n",
qualifiedClassNameIdentifier.constData());
fprintf(out, "static const qt_meta_stringdata_%s_t qt_meta_stringdata_%s = {\n",
qualifiedClassNameIdentifier.constData(), qualifiedClassNameIdentifier.constData());
fprintf(out, " {\n");
{
int idx = 0;
for (int i = 0; i < strings.size(); ++i) {
const QByteArray &str = strings.at(i);
fprintf(out, "QT_MOC_LITERAL(%d, %d, %d)", i, idx, str.length());
if (i != strings.size() - 1)
fputc(',', out);
const QByteArray comment = str.length() > 32 ? str.left(29) + "..." : str;
fprintf(out, " // \"%s\"\n", comment.constData());
idx += str.length() + 1;
for (int j = 0; j < str.length(); ++j) {
if (str.at(j) == '\\') {
int cnt = lengthOfEscapeSequence(str, j) - 1;
idx -= cnt;
j += cnt;
}
}
}
fprintf(out, "\n },\n");
}
//
// Build stringdata array
//
fprintf(out, " \"");
int col = 0;
int len = 0;
int stringDataLength = 0;
for (int i = 0; i < strings.size(); ++i) {
QByteArray s = strings.at(i);
len = s.length();
stringDataLength += len + 1;
if (stringDataLength >= constCharArraySizeLimit) {
fprintf(out, "\",\n \"");
stringDataLength = len + 1;
col = 0;
} else if (i)
fputs("\\0", out); // add \0 at the end of each string
if (col && col + len >= 72) {
fprintf(out, "\"\n \"");
col = 0;
} else if (len && s.at(0) >= '0' && s.at(0) <= '9') {
fprintf(out, "\"\"");
len += 2;
}
int idx = 0;
while (idx < s.length()) {
if (idx > 0) {
col = 0;
fprintf(out, "\"\n \"");
}
int spanLen = qMin(70, s.length() - idx);
// don't cut escape sequences at the end of a line
int backSlashPos = s.lastIndexOf('\\', idx + spanLen - 1);
if (backSlashPos >= idx) {
int escapeLen = lengthOfEscapeSequence(s, backSlashPos);
spanLen = qBound(spanLen, backSlashPos + escapeLen - idx, s.length() - idx);
}
fprintf(out, "%.*s", spanLen, s.constData() + idx);
idx += spanLen;
col += spanLen;
}
col += len + 2;
}
// Terminate stringdata struct
fprintf(out, "\"\n};\n");
fprintf(out, "#undef QT_MOC_LITERAL\n\n");
//
// build the data array
//
int index = MetaObjectPrivateFieldCount;
fprintf(out, "static const uint qt_meta_data_%s[] = {\n", qualifiedClassNameIdentifier.constData());
fprintf(out, "\n // content:\n");
fprintf(out, " %4d, // revision\n", int(QMetaObjectPrivate::OutputRevision));
fprintf(out, " %4d, // classname\n", stridx(cdef->qualified));
fprintf(out, " %4d, %4d, // classinfo\n", cdef->classInfoList.count(), cdef->classInfoList.count() ? index : 0);
index += cdef->classInfoList.count() * 2;
int methodCount = cdef->signalList.count() + cdef->slotList.count() + cdef->methodList.count();
fprintf(out, " %4d, %4d, // methods\n", methodCount, methodCount ? index : 0);
index += methodCount * 5;
if (cdef->revisionedMethods)
index += methodCount;
int paramsIndex = index;
int totalParameterCount = aggregateParameterCount(cdef->signalList)
+ aggregateParameterCount(cdef->slotList)
+ aggregateParameterCount(cdef->methodList)
+ aggregateParameterCount(cdef->constructorList);
index += totalParameterCount * 2 // types and parameter names
- methodCount // return "parameters" don't have names
- cdef->constructorList.count(); // "this" parameters don't have names
fprintf(out, " %4d, %4d, // properties\n", cdef->propertyList.count(), cdef->propertyList.count() ? index : 0);
index += cdef->propertyList.count() * 3;
if(cdef->notifyableProperties)
index += cdef->propertyList.count();
if (cdef->revisionedProperties)
index += cdef->propertyList.count();
fprintf(out, " %4d, %4d, // enums/sets\n", cdef->enumList.count(), cdef->enumList.count() ? index : 0);
int enumsIndex = index;
for (int i = 0; i < cdef->enumList.count(); ++i)
index += 5 + (cdef->enumList.at(i).values.count() * 2);
fprintf(out, " %4d, %4d, // constructors\n", isConstructible ? cdef->constructorList.count() : 0,
isConstructible ? index : 0);
int flags = 0;
if (cdef->hasQGadget) {
// Ideally, all the classes could have that flag. But this broke classes generated
// by qdbusxml2cpp which generate code that require that we call qt_metacall for properties
flags |= PropertyAccessInStaticMetaCall;
}
fprintf(out, " %4d, // flags\n", flags);
fprintf(out, " %4d, // signalCount\n", cdef->signalList.count());
//
// Build classinfo array
//
generateClassInfos();
//
// Build signals array first, otherwise the signal indices would be wrong
//
generateFunctions(cdef->signalList, "signal", MethodSignal, paramsIndex);
//
// Build slots array
//
generateFunctions(cdef->slotList, "slot", MethodSlot, paramsIndex);
//
// Build method array
//
generateFunctions(cdef->methodList, "method", MethodMethod, paramsIndex);
//
// Build method version arrays
//
if (cdef->revisionedMethods) {
generateFunctionRevisions(cdef->signalList, "signal");
generateFunctionRevisions(cdef->slotList, "slot");
generateFunctionRevisions(cdef->methodList, "method");
}
//
// Build method parameters array
//
generateFunctionParameters(cdef->signalList, "signal");
generateFunctionParameters(cdef->slotList, "slot");
generateFunctionParameters(cdef->methodList, "method");
if (isConstructible)
generateFunctionParameters(cdef->constructorList, "constructor");
//
// Build property array
//
generateProperties();
//
// Build enums array
//
generateEnums(enumsIndex);
//
// Build constructors array
//
if (isConstructible)
generateFunctions(cdef->constructorList, "constructor", MethodConstructor, paramsIndex);
//
// Terminate data array
//
fprintf(out, "\n 0 // eod\n};\n\n");
//
// Generate internal qt_static_metacall() function
//
const bool hasStaticMetaCall = !isQt &&
(cdef->hasQObject || !cdef->methodList.isEmpty()
|| !cdef->propertyList.isEmpty() || !cdef->constructorList.isEmpty());
if (hasStaticMetaCall)
generateStaticMetacall();
//
// Build extra array
//
QVector<QByteArray> extraList;
QHash<QByteArray, QByteArray> knownExtraMetaObject = knownGadgets;
knownExtraMetaObject.unite(knownQObjectClasses);
for (int i = 0; i < cdef->propertyList.count(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
if (isBuiltinType(p.type))
continue;
if (p.type.contains('*') || p.type.contains('<') || p.type.contains('>'))
continue;
int s = p.type.lastIndexOf("::");
if (s <= 0)
continue;
QByteArray unqualifiedScope = p.type.left(s);
// The scope may be a namespace for example, so it's only safe to include scopes that are known QObjects (QTBUG-2151)
QHash<QByteArray, QByteArray>::ConstIterator scopeIt;
QByteArray thisScope = cdef->qualified;
do {
int s = thisScope.lastIndexOf("::");
thisScope = thisScope.left(s);
QByteArray currentScope = thisScope.isEmpty() ? unqualifiedScope : thisScope + "::" + unqualifiedScope;
scopeIt = knownExtraMetaObject.constFind(currentScope);
} while (!thisScope.isEmpty() && scopeIt == knownExtraMetaObject.constEnd());
if (scopeIt == knownExtraMetaObject.constEnd())
continue;
const QByteArray &scope = *scopeIt;
if (scope == "Qt")
continue;
if (qualifiedNameEquals(cdef->qualified, scope))
continue;
if (!extraList.contains(scope))
extraList += scope;
}
// QTBUG-20639 - Accept non-local enums for QML signal/slot parameters.
// Look for any scoped enum declarations, and add those to the list
// of extra/related metaobjects for this object.
for (auto it = cdef->enumDeclarations.keyBegin(),
end = cdef->enumDeclarations.keyEnd(); it != end; ++it) {
const QByteArray &enumKey = *it;
int s = enumKey.lastIndexOf("::");
if (s > 0) {
QByteArray scope = enumKey.left(s);
if (scope != "Qt" && !qualifiedNameEquals(cdef->qualified, scope) && !extraList.contains(scope))
extraList += scope;
}
}
//
// Generate meta object link to parent meta objects
//
if (!extraList.isEmpty()) {
fprintf(out, "static const QMetaObject::SuperData qt_meta_extradata_%s[] = {\n",
qualifiedClassNameIdentifier.constData());
for (int i = 0; i < extraList.count(); ++i) {
fprintf(out, " QMetaObject::SuperData::link<%s::staticMetaObject>(),\n", extraList.at(i).constData());
}
fprintf(out, " nullptr\n};\n\n");
}
//
// Finally create and initialize the static meta object
//
if (isQt)
fprintf(out, "QT_INIT_METAOBJECT const QMetaObject QObject::staticQtMetaObject = { {\n");
else
fprintf(out, "QT_INIT_METAOBJECT const QMetaObject %s::staticMetaObject = { {\n", cdef->qualified.constData());
if (isQObject)
fprintf(out, " nullptr,\n");
else if (cdef->superclassList.size() && (!cdef->hasQGadget || knownGadgets.contains(purestSuperClass)))
fprintf(out, " QMetaObject::SuperData::link<%s::staticMetaObject>(),\n", purestSuperClass.constData());
else
fprintf(out, " nullptr,\n");
fprintf(out, " qt_meta_stringdata_%s.data,\n"
" qt_meta_data_%s,\n", qualifiedClassNameIdentifier.constData(),
qualifiedClassNameIdentifier.constData());
if (hasStaticMetaCall)
fprintf(out, " qt_static_metacall,\n");
else
fprintf(out, " nullptr,\n");
if (extraList.isEmpty())
fprintf(out, " nullptr,\n");
else
fprintf(out, " qt_meta_extradata_%s,\n", qualifiedClassNameIdentifier.constData());
fprintf(out, " nullptr\n} };\n\n");
if(isQt)
return;
if (!cdef->hasQObject)
return;
fprintf(out, "\nconst QMetaObject *%s::metaObject() const\n{\n return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject;\n}\n",
cdef->qualified.constData());
//
// Generate smart cast function
//
fprintf(out, "\nvoid *%s::qt_metacast(const char *_clname)\n{\n", cdef->qualified.constData());
fprintf(out, " if (!_clname) return nullptr;\n");
fprintf(out, " if (!strcmp(_clname, qt_meta_stringdata_%s.stringdata0))\n"
" return static_cast<void*>(this);\n",
qualifiedClassNameIdentifier.constData());
for (int i = 1; i < cdef->superclassList.size(); ++i) { // for all superclasses but the first one
if (cdef->superclassList.at(i).second == FunctionDef::Private)
continue;
const char *cname = cdef->superclassList.at(i).first.constData();
fprintf(out, " if (!strcmp(_clname, \"%s\"))\n return static_cast< %s*>(this);\n",
cname, cname);
}
for (int i = 0; i < cdef->interfaceList.size(); ++i) {
const QVector<ClassDef::Interface> &iface = cdef->interfaceList.at(i);
for (int j = 0; j < iface.size(); ++j) {
fprintf(out, " if (!strcmp(_clname, %s))\n return ", iface.at(j).interfaceId.constData());
for (int k = j; k >= 0; --k)
fprintf(out, "static_cast< %s*>(", iface.at(k).className.constData());
fprintf(out, "this%s;\n", QByteArray(j + 1, ')').constData());
}
}
if (!purestSuperClass.isEmpty() && !isQObject) {
QByteArray superClass = purestSuperClass;
fprintf(out, " return %s::qt_metacast(_clname);\n", superClass.constData());
} else {
fprintf(out, " return nullptr;\n");
}
fprintf(out, "}\n");
//
// Generate internal qt_metacall() function
//
generateMetacall();
//
// Generate internal signal functions
//
for (int signalindex = 0; signalindex < cdef->signalList.size(); ++signalindex)
generateSignal(&cdef->signalList[signalindex], signalindex);
//
// Generate plugin meta data
//
generatePluginMetaData();
//
// Generate function to make sure the non-class signals exist in the parent classes
//
if (!cdef->nonClassSignalList.isEmpty()) {
fprintf(out, "// If you get a compile error in this function it can be because either\n");
fprintf(out, "// a) You are using a NOTIFY signal that does not exist. Fix it.\n");
fprintf(out, "// b) You are using a NOTIFY signal that does exist (in a parent class) but has a non-empty parameter list. This is a moc limitation.\n");
fprintf(out, "Q_DECL_UNUSED static void checkNotifySignalValidity_%s(%s *t) {\n", qualifiedClassNameIdentifier.constData(), cdef->qualified.constData());
for (const QByteArray &nonClassSignal : qAsConst(cdef->nonClassSignalList))
fprintf(out, " t->%s();\n", nonClassSignal.constData());
fprintf(out, "}\n");
}
}
void Generator::registerClassInfoStrings()
{
for (int i = 0; i < cdef->classInfoList.size(); ++i) {
const ClassInfoDef &c = cdef->classInfoList.at(i);
strreg(c.name);
strreg(c.value);
}
}
void Generator::generateClassInfos()
{
if (cdef->classInfoList.isEmpty())
return;
fprintf(out, "\n // classinfo: key, value\n");
for (int i = 0; i < cdef->classInfoList.size(); ++i) {
const ClassInfoDef &c = cdef->classInfoList.at(i);
fprintf(out, " %4d, %4d,\n", stridx(c.name), stridx(c.value));
}
}
void Generator::registerFunctionStrings(const QVector<FunctionDef>& list)
{
for (int i = 0; i < list.count(); ++i) {
const FunctionDef &f = list.at(i);
strreg(f.name);
if (!isBuiltinType(f.normalizedType))
strreg(f.normalizedType);
strreg(f.tag);
int argsCount = f.arguments.count();
for (int j = 0; j < argsCount; ++j) {
const ArgumentDef &a = f.arguments.at(j);
if (!isBuiltinType(a.normalizedType))
strreg(a.normalizedType);
strreg(a.name);
}
}
}
void Generator::registerByteArrayVector(const QVector<QByteArray> &list)
{
for (const QByteArray &ba : list)
strreg(ba);
}
void Generator::generateFunctions(const QVector<FunctionDef>& list, const char *functype, int type, int &paramsIndex)
{
if (list.isEmpty())
return;
fprintf(out, "\n // %ss: name, argc, parameters, tag, flags\n", functype);
for (int i = 0; i < list.count(); ++i) {
const FunctionDef &f = list.at(i);
QByteArray comment;
unsigned char flags = type;
if (f.access == FunctionDef::Private) {
flags |= AccessPrivate;
comment.append("Private");
} else if (f.access == FunctionDef::Public) {
flags |= AccessPublic;
comment.append("Public");
} else if (f.access == FunctionDef::Protected) {
flags |= AccessProtected;
comment.append("Protected");
}
if (f.isCompat) {
flags |= MethodCompatibility;
comment.append(" | MethodCompatibility");
}
if (f.wasCloned) {
flags |= MethodCloned;
comment.append(" | MethodCloned");
}
if (f.isScriptable) {
flags |= MethodScriptable;
comment.append(" | isScriptable");
}
if (f.revision > 0) {
flags |= MethodRevisioned;
comment.append(" | MethodRevisioned");
}
int argc = f.arguments.count();
fprintf(out, " %4d, %4d, %4d, %4d, 0x%02x /* %s */,\n",
stridx(f.name), argc, paramsIndex, stridx(f.tag), flags, comment.constData());
paramsIndex += 1 + argc * 2;
}
}
void Generator::generateFunctionRevisions(const QVector<FunctionDef>& list, const char *functype)
{
if (list.count())
fprintf(out, "\n // %ss: revision\n", functype);
for (int i = 0; i < list.count(); ++i) {
const FunctionDef &f = list.at(i);
fprintf(out, " %4d,\n", f.revision);
}
}
void Generator::generateFunctionParameters(const QVector<FunctionDef>& list, const char *functype)
{
if (list.isEmpty())
return;
fprintf(out, "\n // %ss: parameters\n", functype);
for (int i = 0; i < list.count(); ++i) {
const FunctionDef &f = list.at(i);
fprintf(out, " ");
// Types
int argsCount = f.arguments.count();
for (int j = -1; j < argsCount; ++j) {
if (j > -1)
fputc(' ', out);
const QByteArray &typeName = (j < 0) ? f.normalizedType : f.arguments.at(j).normalizedType;
generateTypeInfo(typeName, /*allowEmptyName=*/f.isConstructor);
fputc(',', out);
}
// Parameter names
for (int j = 0; j < argsCount; ++j) {
const ArgumentDef &arg = f.arguments.at(j);
fprintf(out, " %4d,", stridx(arg.name));
}
fprintf(out, "\n");
}
}
void Generator::generateTypeInfo(const QByteArray &typeName, bool allowEmptyName)
{
Q_UNUSED(allowEmptyName);
if (isBuiltinType(typeName)) {
int type;
const char *valueString;
if (typeName == "qreal") {
type = QMetaType::UnknownType;
valueString = "QReal";
} else {
type = nameToBuiltinType(typeName);
valueString = metaTypeEnumValueString(type);
}
if (valueString) {
fprintf(out, "QMetaType::%s", valueString);
} else {
Q_ASSERT(type != QMetaType::UnknownType);
fprintf(out, "%4d", type);
}
} else {
Q_ASSERT(!typeName.isEmpty() || allowEmptyName);
fprintf(out, "0x%.8x | %d", IsUnresolvedType, stridx(typeName));
}
}
void Generator::registerPropertyStrings()
{
for (int i = 0; i < cdef->propertyList.count(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
strreg(p.name);
if (!isBuiltinType(p.type))
strreg(p.type);
}
}
void Generator::generateProperties()
{
//
// Create meta data
//
if (cdef->propertyList.count())
fprintf(out, "\n // properties: name, type, flags\n");
for (int i = 0; i < cdef->propertyList.count(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
uint flags = Invalid;
if (!isBuiltinType(p.type))
flags |= EnumOrFlag;
if (!p.member.isEmpty() && !p.constant)
flags |= Writable;
if (!p.read.isEmpty() || !p.member.isEmpty())
flags |= Readable;
if (!p.write.isEmpty()) {
flags |= Writable;
if (p.stdCppSet())
flags |= StdCppSet;
}
if (!p.reset.isEmpty())
flags |= Resettable;
// if (p.override)
// flags |= Override;
if (p.designable.isEmpty())
flags |= ResolveDesignable;
else if (p.designable != "false")
flags |= Designable;
if (p.scriptable.isEmpty())
flags |= ResolveScriptable;
else if (p.scriptable != "false")
flags |= Scriptable;
if (p.stored.isEmpty())
flags |= ResolveStored;
else if (p.stored != "false")
flags |= Stored;
if (p.editable.isEmpty())
flags |= ResolveEditable;
else if (p.editable != "false")
flags |= Editable;
if (p.user.isEmpty())
flags |= ResolveUser;
else if (p.user != "false")
flags |= User;
if (p.notifyId != -1)
flags |= Notify;
if (p.revision > 0)
flags |= Revisioned;
if (p.constant)
flags |= Constant;
if (p.final)
flags |= Final;
fprintf(out, " %4d, ", stridx(p.name));
generateTypeInfo(p.type);
fprintf(out, ", 0x%.8x,\n", flags);
}
if(cdef->notifyableProperties) {
fprintf(out, "\n // properties: notify_signal_id\n");
for (int i = 0; i < cdef->propertyList.count(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
if (p.notifyId == -1) {
fprintf(out, " %4d,\n",
0);
} else if (p.notifyId > -1) {
fprintf(out, " %4d,\n",
p.notifyId);
} else {
const int indexInStrings = strings.indexOf(p.notify);
fprintf(out, " %4d,\n",
indexInStrings | IsUnresolvedSignal);
}
}
}
if (cdef->revisionedProperties) {
fprintf(out, "\n // properties: revision\n");
for (int i = 0; i < cdef->propertyList.count(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
fprintf(out, " %4d,\n", p.revision);
}
}
}
void Generator::registerEnumStrings()
{
for (int i = 0; i < cdef->enumList.count(); ++i) {
const EnumDef &e = cdef->enumList.at(i);
strreg(e.name);
if (!e.enumName.isNull())
strreg(e.enumName);
for (int j = 0; j < e.values.count(); ++j)
strreg(e.values.at(j));
}
}
void Generator::generateEnums(int index)
{
if (cdef->enumDeclarations.isEmpty())
return;
fprintf(out, "\n // enums: name, alias, flags, count, data\n");
index += 5 * cdef->enumList.count();
int i;
for (i = 0; i < cdef->enumList.count(); ++i) {
const EnumDef &e = cdef->enumList.at(i);
int flags = 0;
if (cdef->enumDeclarations.value(e.name))
flags |= EnumIsFlag;
if (e.isEnumClass)
flags |= EnumIsScoped;
fprintf(out, " %4d, %4d, 0x%.1x, %4d, %4d,\n",
stridx(e.name),
e.enumName.isNull() ? stridx(e.name) : stridx(e.enumName),
flags,
e.values.count(),
index);
index += e.values.count() * 2;
}
fprintf(out, "\n // enum data: key, value\n");
for (i = 0; i < cdef->enumList.count(); ++i) {
const EnumDef &e = cdef->enumList.at(i);
for (int j = 0; j < e.values.count(); ++j) {
const QByteArray &val = e.values.at(j);
QByteArray code = cdef->qualified.constData();
if (e.isEnumClass)
code += "::" + (e.enumName.isNull() ? e.name : e.enumName);
code += "::" + val;
fprintf(out, " %4d, uint(%s),\n",
stridx(val), code.constData());
}
}
}
void Generator::generateMetacall()
{
bool isQObject = (cdef->classname == "QObject");
fprintf(out, "\nint %s::qt_metacall(QMetaObject::Call _c, int _id, void **_a)\n{\n",
cdef->qualified.constData());
if (!purestSuperClass.isEmpty() && !isQObject) {
QByteArray superClass = purestSuperClass;
fprintf(out, " _id = %s::qt_metacall(_c, _id, _a);\n", superClass.constData());
}
bool needElse = false;
QVector<FunctionDef> methodList;
methodList += cdef->signalList;
methodList += cdef->slotList;
methodList += cdef->methodList;
// If there are no methods or properties, we will return _id anyway, so
// don't emit this comparison -- it is unnecessary, and it makes coverity
// unhappy.
if (methodList.size() || cdef->propertyList.size()) {
fprintf(out, " if (_id < 0)\n return _id;\n");
}
fprintf(out, " ");
if (methodList.size()) {
needElse = true;
fprintf(out, "if (_c == QMetaObject::InvokeMetaMethod) {\n");
fprintf(out, " if (_id < %d)\n", methodList.size());
fprintf(out, " qt_static_metacall(this, _c, _id, _a);\n");
fprintf(out, " _id -= %d;\n }", methodList.size());
fprintf(out, " else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {\n");
fprintf(out, " if (_id < %d)\n", methodList.size());
if (methodsWithAutomaticTypesHelper(methodList).isEmpty())
fprintf(out, " *reinterpret_cast<int*>(_a[0]) = -1;\n");
else
fprintf(out, " qt_static_metacall(this, _c, _id, _a);\n");
fprintf(out, " _id -= %d;\n }", methodList.size());
}
if (cdef->propertyList.size()) {
bool needDesignable = false;
bool needScriptable = false;
bool needStored = false;
bool needEditable = false;
bool needUser = false;
for (int i = 0; i < cdef->propertyList.size(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
needDesignable |= p.designable.endsWith(')');
needScriptable |= p.scriptable.endsWith(')');
needStored |= p.stored.endsWith(')');
needEditable |= p.editable.endsWith(')');
needUser |= p.user.endsWith(')');
}
fprintf(out, "\n#ifndef QT_NO_PROPERTIES\n ");
if (needElse)
fprintf(out, "else ");
fprintf(out,
"if (_c == QMetaObject::ReadProperty || _c == QMetaObject::WriteProperty\n"
" || _c == QMetaObject::ResetProperty || _c == QMetaObject::RegisterPropertyMetaType) {\n"
" qt_static_metacall(this, _c, _id, _a);\n"
" _id -= %d;\n }", cdef->propertyList.count());
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::QueryPropertyDesignable) {\n");
if (needDesignable) {
fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (!p.designable.endsWith(')'))
continue;
fprintf(out, " case %d: *_b = %s; break;\n",
propindex, p.designable.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out,
" _id -= %d;\n"
" }", cdef->propertyList.count());
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::QueryPropertyScriptable) {\n");
if (needScriptable) {
fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (!p.scriptable.endsWith(')'))
continue;
fprintf(out, " case %d: *_b = %s; break;\n",
propindex, p.scriptable.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out,
" _id -= %d;\n"
" }", cdef->propertyList.count());
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::QueryPropertyStored) {\n");
if (needStored) {
fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (!p.stored.endsWith(')'))
continue;
fprintf(out, " case %d: *_b = %s; break;\n",
propindex, p.stored.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out,
" _id -= %d;\n"
" }", cdef->propertyList.count());
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::QueryPropertyEditable) {\n");
if (needEditable) {
fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (!p.editable.endsWith(')'))
continue;
fprintf(out, " case %d: *_b = %s; break;\n",
propindex, p.editable.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out,
" _id -= %d;\n"
" }", cdef->propertyList.count());
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::QueryPropertyUser) {\n");
if (needUser) {
fprintf(out, " bool *_b = reinterpret_cast<bool*>(_a[0]);\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (!p.user.endsWith(')'))
continue;
fprintf(out, " case %d: *_b = %s; break;\n",
propindex, p.user.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out,
" _id -= %d;\n"
" }", cdef->propertyList.count());
fprintf(out, "\n#endif // QT_NO_PROPERTIES");
}
if (methodList.size() || cdef->propertyList.size())
fprintf(out, "\n ");
fprintf(out,"return _id;\n}\n");
}
QMultiMap<QByteArray, int> Generator::automaticPropertyMetaTypesHelper()
{
QMultiMap<QByteArray, int> automaticPropertyMetaTypes;
for (int i = 0; i < cdef->propertyList.size(); ++i) {
const QByteArray propertyType = cdef->propertyList.at(i).type;
if (registerableMetaType(propertyType) && !isBuiltinType(propertyType))
automaticPropertyMetaTypes.insert(propertyType, i);
}
return automaticPropertyMetaTypes;
}
QMap<int, QMultiMap<QByteArray, int> > Generator::methodsWithAutomaticTypesHelper(const QVector<FunctionDef> &methodList)
{
QMap<int, QMultiMap<QByteArray, int> > methodsWithAutomaticTypes;
for (int i = 0; i < methodList.size(); ++i) {
const FunctionDef &f = methodList.at(i);
for (int j = 0; j < f.arguments.count(); ++j) {
const QByteArray argType = f.arguments.at(j).normalizedType;
if (registerableMetaType(argType) && !isBuiltinType(argType))
methodsWithAutomaticTypes[i].insert(argType, j);
}
}
return methodsWithAutomaticTypes;
}
void Generator::generateStaticMetacall()
{
fprintf(out, "void %s::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a)\n{\n",
cdef->qualified.constData());
bool needElse = false;
bool isUsed_a = false;
if (!cdef->constructorList.isEmpty()) {
fprintf(out, " if (_c == QMetaObject::CreateInstance) {\n");
fprintf(out, " switch (_id) {\n");
for (int ctorindex = 0; ctorindex < cdef->constructorList.count(); ++ctorindex) {
fprintf(out, " case %d: { %s *_r = new %s(", ctorindex,
cdef->classname.constData(), cdef->classname.constData());
const FunctionDef &f = cdef->constructorList.at(ctorindex);
int offset = 1;
int argsCount = f.arguments.count();
for (int j = 0; j < argsCount; ++j) {
const ArgumentDef &a = f.arguments.at(j);
if (j)
fprintf(out, ",");
fprintf(out, "(*reinterpret_cast< %s>(_a[%d]))", a.typeNameForCast.constData(), offset++);
}
if (f.isPrivateSignal) {
if (argsCount > 0)
fprintf(out, ", ");
fprintf(out, "%s", QByteArray("QPrivateSignal()").constData());
}
fprintf(out, ");\n");
fprintf(out, " if (_a[0]) *reinterpret_cast<%s**>(_a[0]) = _r; } break;\n",
cdef->hasQGadget ? "void" : "QObject");
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
fprintf(out, " }");
needElse = true;
isUsed_a = true;
}
QVector<FunctionDef> methodList;
methodList += cdef->signalList;
methodList += cdef->slotList;
methodList += cdef->methodList;
if (!methodList.isEmpty()) {
if (needElse)
fprintf(out, " else ");
else
fprintf(out, " ");
fprintf(out, "if (_c == QMetaObject::InvokeMetaMethod) {\n");
if (cdef->hasQObject) {
#ifndef QT_NO_DEBUG
fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
#endif
fprintf(out, " auto *_t = static_cast<%s *>(_o);\n", cdef->classname.constData());
} else {
fprintf(out, " auto *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData());
}
fprintf(out, " Q_UNUSED(_t)\n");
fprintf(out, " switch (_id) {\n");
for (int methodindex = 0; methodindex < methodList.size(); ++methodindex) {
const FunctionDef &f = methodList.at(methodindex);
Q_ASSERT(!f.normalizedType.isEmpty());
fprintf(out, " case %d: ", methodindex);
if (f.normalizedType != "void")
fprintf(out, "{ %s _r = ", noRef(f.normalizedType).constData());
fprintf(out, "_t->");
if (f.inPrivateClass.size())
fprintf(out, "%s->", f.inPrivateClass.constData());
fprintf(out, "%s(", f.name.constData());
int offset = 1;
int argsCount = f.arguments.count();
for (int j = 0; j < argsCount; ++j) {
const ArgumentDef &a = f.arguments.at(j);
if (j)
fprintf(out, ",");
fprintf(out, "(*reinterpret_cast< %s>(_a[%d]))",a.typeNameForCast.constData(), offset++);
isUsed_a = true;
}
if (f.isPrivateSignal) {
if (argsCount > 0)
fprintf(out, ", ");
fprintf(out, "%s", "QPrivateSignal()");
}
fprintf(out, ");");
if (f.normalizedType != "void") {
fprintf(out, "\n if (_a[0]) *reinterpret_cast< %s*>(_a[0]) = std::move(_r); } ",
noRef(f.normalizedType).constData());
isUsed_a = true;
}
fprintf(out, " break;\n");
}
fprintf(out, " default: ;\n");
fprintf(out, " }\n");
fprintf(out, " }");
needElse = true;
QMap<int, QMultiMap<QByteArray, int> > methodsWithAutomaticTypes = methodsWithAutomaticTypesHelper(methodList);
if (!methodsWithAutomaticTypes.isEmpty()) {
fprintf(out, " else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {\n");
fprintf(out, " switch (_id) {\n");
fprintf(out, " default: *reinterpret_cast<int*>(_a[0]) = -1; break;\n");
QMap<int, QMultiMap<QByteArray, int> >::const_iterator it = methodsWithAutomaticTypes.constBegin();
const QMap<int, QMultiMap<QByteArray, int> >::const_iterator end = methodsWithAutomaticTypes.constEnd();
for ( ; it != end; ++it) {
fprintf(out, " case %d:\n", it.key());
fprintf(out, " switch (*reinterpret_cast<int*>(_a[1])) {\n");
fprintf(out, " default: *reinterpret_cast<int*>(_a[0]) = -1; break;\n");
auto jt = it->begin();
const auto jend = it->end();
while (jt != jend) {
fprintf(out, " case %d:\n", jt.value());
const QByteArray &lastKey = jt.key();
++jt;
if (jt == jend || jt.key() != lastKey)
fprintf(out, " *reinterpret_cast<int*>(_a[0]) = qRegisterMetaType< %s >(); break;\n", lastKey.constData());
}
fprintf(out, " }\n");
fprintf(out, " break;\n");
}
fprintf(out, " }\n");
fprintf(out, " }");
isUsed_a = true;
}
}
if (!cdef->signalList.isEmpty()) {
Q_ASSERT(needElse); // if there is signal, there was method.
fprintf(out, " else if (_c == QMetaObject::IndexOfMethod) {\n");
fprintf(out, " int *result = reinterpret_cast<int *>(_a[0]);\n");
bool anythingUsed = false;
for (int methodindex = 0; methodindex < cdef->signalList.size(); ++methodindex) {
const FunctionDef &f = cdef->signalList.at(methodindex);
if (f.wasCloned || !f.inPrivateClass.isEmpty() || f.isStatic)
continue;
anythingUsed = true;
fprintf(out, " {\n");
fprintf(out, " using _t = %s (%s::*)(",f.type.rawName.constData() , cdef->classname.constData());
int argsCount = f.arguments.count();
for (int j = 0; j < argsCount; ++j) {
const ArgumentDef &a = f.arguments.at(j);
if (j)
fprintf(out, ", ");
fprintf(out, "%s", QByteArray(a.type.name + ' ' + a.rightType).constData());
}
if (f.isPrivateSignal) {
if (argsCount > 0)
fprintf(out, ", ");
fprintf(out, "%s", "QPrivateSignal");
}
if (f.isConst)
fprintf(out, ") const;\n");
else
fprintf(out, ");\n");
fprintf(out, " if (*reinterpret_cast<_t *>(_a[1]) == static_cast<_t>(&%s::%s)) {\n",
cdef->classname.constData(), f.name.constData());
fprintf(out, " *result = %d;\n", methodindex);
fprintf(out, " return;\n");
fprintf(out, " }\n }\n");
}
if (!anythingUsed)
fprintf(out, " Q_UNUSED(result);\n");
fprintf(out, " }");
needElse = true;
}
const QMultiMap<QByteArray, int> automaticPropertyMetaTypes = automaticPropertyMetaTypesHelper();
if (!automaticPropertyMetaTypes.isEmpty()) {
if (needElse)
fprintf(out, " else ");
else
fprintf(out, " ");
fprintf(out, "if (_c == QMetaObject::RegisterPropertyMetaType) {\n");
fprintf(out, " switch (_id) {\n");
fprintf(out, " default: *reinterpret_cast<int*>(_a[0]) = -1; break;\n");
auto it = automaticPropertyMetaTypes.begin();
const auto end = automaticPropertyMetaTypes.end();
while (it != end) {
fprintf(out, " case %d:\n", it.value());
const QByteArray &lastKey = it.key();
++it;
if (it == end || it.key() != lastKey)
fprintf(out, " *reinterpret_cast<int*>(_a[0]) = qRegisterMetaType< %s >(); break;\n", lastKey.constData());
}
fprintf(out, " }\n");
fprintf(out, " }\n");
isUsed_a = true;
needElse = true;
}
if (!cdef->propertyList.empty()) {
bool needGet = false;
bool needTempVarForGet = false;
bool needSet = false;
bool needReset = false;
for (int i = 0; i < cdef->propertyList.size(); ++i) {
const PropertyDef &p = cdef->propertyList.at(i);
needGet |= !p.read.isEmpty() || !p.member.isEmpty();
if (!p.read.isEmpty() || !p.member.isEmpty())
needTempVarForGet |= (p.gspec != PropertyDef::PointerSpec
&& p.gspec != PropertyDef::ReferenceSpec);
needSet |= !p.write.isEmpty() || (!p.member.isEmpty() && !p.constant);
needReset |= !p.reset.isEmpty();
}
fprintf(out, "\n#ifndef QT_NO_PROPERTIES\n ");
if (needElse)
fprintf(out, "else ");
fprintf(out, "if (_c == QMetaObject::ReadProperty) {\n");
if (needGet) {
if (cdef->hasQObject) {
#ifndef QT_NO_DEBUG
fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
#endif
fprintf(out, " auto *_t = static_cast<%s *>(_o);\n", cdef->classname.constData());
} else {
fprintf(out, " auto *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData());
}
fprintf(out, " Q_UNUSED(_t)\n");
if (needTempVarForGet)
fprintf(out, " void *_v = _a[0];\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (p.read.isEmpty() && p.member.isEmpty())
continue;
QByteArray prefix = "_t->";
if (p.inPrivateClass.size()) {
prefix += p.inPrivateClass + "->";
}
if (p.gspec == PropertyDef::PointerSpec)
fprintf(out, " case %d: _a[0] = const_cast<void*>(reinterpret_cast<const void*>(%s%s())); break;\n",
propindex, prefix.constData(), p.read.constData());
else if (p.gspec == PropertyDef::ReferenceSpec)
fprintf(out, " case %d: _a[0] = const_cast<void*>(reinterpret_cast<const void*>(&%s%s())); break;\n",
propindex, prefix.constData(), p.read.constData());
else if (cdef->enumDeclarations.value(p.type, false))
fprintf(out, " case %d: *reinterpret_cast<int*>(_v) = QFlag(%s%s()); break;\n",
propindex, prefix.constData(), p.read.constData());
else if (!p.read.isEmpty())
fprintf(out, " case %d: *reinterpret_cast< %s*>(_v) = %s%s(); break;\n",
propindex, p.type.constData(), prefix.constData(), p.read.constData());
else
fprintf(out, " case %d: *reinterpret_cast< %s*>(_v) = %s%s; break;\n",
propindex, p.type.constData(), prefix.constData(), p.member.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out, " }");
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::WriteProperty) {\n");
if (needSet) {
if (cdef->hasQObject) {
#ifndef QT_NO_DEBUG
fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
#endif
fprintf(out, " auto *_t = static_cast<%s *>(_o);\n", cdef->classname.constData());
} else {
fprintf(out, " auto *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData());
}
fprintf(out, " Q_UNUSED(_t)\n");
fprintf(out, " void *_v = _a[0];\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (p.constant)
continue;
if (p.write.isEmpty() && p.member.isEmpty())
continue;
QByteArray prefix = "_t->";
if (p.inPrivateClass.size()) {
prefix += p.inPrivateClass + "->";
}
if (cdef->enumDeclarations.value(p.type, false)) {
fprintf(out, " case %d: %s%s(QFlag(*reinterpret_cast<int*>(_v))); break;\n",
propindex, prefix.constData(), p.write.constData());
} else if (!p.write.isEmpty()) {
fprintf(out, " case %d: %s%s(*reinterpret_cast< %s*>(_v)); break;\n",
propindex, prefix.constData(), p.write.constData(), p.type.constData());
} else {
fprintf(out, " case %d:\n", propindex);
fprintf(out, " if (%s%s != *reinterpret_cast< %s*>(_v)) {\n",
prefix.constData(), p.member.constData(), p.type.constData());
fprintf(out, " %s%s = *reinterpret_cast< %s*>(_v);\n",
prefix.constData(), p.member.constData(), p.type.constData());
if (!p.notify.isEmpty() && p.notifyId > -1) {
const FunctionDef &f = cdef->signalList.at(p.notifyId);
if (f.arguments.size() == 0)
fprintf(out, " Q_EMIT _t->%s();\n", p.notify.constData());
else if (f.arguments.size() == 1 && f.arguments.at(0).normalizedType == p.type)
fprintf(out, " Q_EMIT _t->%s(%s%s);\n",
p.notify.constData(), prefix.constData(), p.member.constData());
} else if (!p.notify.isEmpty() && p.notifyId < -1) {
fprintf(out, " Q_EMIT _t->%s();\n", p.notify.constData());
}
fprintf(out, " }\n");
fprintf(out, " break;\n");
}
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out, " }");
fprintf(out, " else ");
fprintf(out, "if (_c == QMetaObject::ResetProperty) {\n");
if (needReset) {
if (cdef->hasQObject) {
#ifndef QT_NO_DEBUG
fprintf(out, " Q_ASSERT(staticMetaObject.cast(_o));\n");
#endif
fprintf(out, " %s *_t = static_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
} else {
fprintf(out, " %s *_t = reinterpret_cast<%s *>(_o);\n", cdef->classname.constData(), cdef->classname.constData());
}
fprintf(out, " Q_UNUSED(_t)\n");
fprintf(out, " switch (_id) {\n");
for (int propindex = 0; propindex < cdef->propertyList.size(); ++propindex) {
const PropertyDef &p = cdef->propertyList.at(propindex);
if (!p.reset.endsWith(')'))
continue;
QByteArray prefix = "_t->";
if (p.inPrivateClass.size()) {
prefix += p.inPrivateClass + "->";
}
fprintf(out, " case %d: %s%s; break;\n",
propindex, prefix.constData(), p.reset.constData());
}
fprintf(out, " default: break;\n");
fprintf(out, " }\n");
}
fprintf(out, " }");
fprintf(out, "\n#endif // QT_NO_PROPERTIES");
needElse = true;
}
if (needElse)
fprintf(out, "\n");
if (methodList.isEmpty()) {
fprintf(out, " Q_UNUSED(_o);\n");
if (cdef->constructorList.isEmpty() && automaticPropertyMetaTypes.isEmpty() && methodsWithAutomaticTypesHelper(methodList).isEmpty()) {
fprintf(out, " Q_UNUSED(_id);\n");
fprintf(out, " Q_UNUSED(_c);\n");
}
}
if (!isUsed_a)
fprintf(out, " Q_UNUSED(_a);\n");
fprintf(out, "}\n\n");
}
void Generator::generateSignal(FunctionDef *def,int index)
{
if (def->wasCloned || def->isAbstract)
return;
fprintf(out, "\n// SIGNAL %d\n%s %s::%s(",
index, def->type.name.constData(), cdef->qualified.constData(), def->name.constData());
QByteArray thisPtr = "this";
const char *constQualifier = "";
if (def->isConst) {
thisPtr = "const_cast< " + cdef->qualified + " *>(this)";
constQualifier = "const";
}
Q_ASSERT(!def->normalizedType.isEmpty());
if (def->arguments.isEmpty() && def->normalizedType == "void" && !def->isPrivateSignal) {
fprintf(out, ")%s\n{\n"
" QMetaObject::activate(%s, &staticMetaObject, %d, nullptr);\n"
"}\n", constQualifier, thisPtr.constData(), index);
return;
}
int offset = 1;
for (int j = 0; j < def->arguments.count(); ++j) {
const ArgumentDef &a = def->arguments.at(j);
if (j)
fprintf(out, ", ");
fprintf(out, "%s _t%d%s", a.type.name.constData(), offset++, a.rightType.constData());
}
if (def->isPrivateSignal) {
if (!def->arguments.isEmpty())
fprintf(out, ", ");
fprintf(out, "QPrivateSignal _t%d", offset++);
}
fprintf(out, ")%s\n{\n", constQualifier);
if (def->type.name.size() && def->normalizedType != "void") {
QByteArray returnType = noRef(def->normalizedType);
fprintf(out, " %s _t0{};\n", returnType.constData());
}
fprintf(out, " void *_a[] = { ");
if (def->normalizedType == "void") {
fprintf(out, "nullptr");
} else {
if (def->returnTypeIsVolatile)
fprintf(out, "const_cast<void*>(reinterpret_cast<const volatile void*>(std::addressof(_t0)))");
else
fprintf(out, "const_cast<void*>(reinterpret_cast<const void*>(std::addressof(_t0)))");
}
int i;
for (i = 1; i < offset; ++i)
if (i <= def->arguments.count() && def->arguments.at(i - 1).type.isVolatile)
fprintf(out, ", const_cast<void*>(reinterpret_cast<const volatile void*>(std::addressof(_t%d)))", i);
else
fprintf(out, ", const_cast<void*>(reinterpret_cast<const void*>(std::addressof(_t%d)))", i);
fprintf(out, " };\n");
fprintf(out, " QMetaObject::activate(%s, &staticMetaObject, %d, _a);\n", thisPtr.constData(), index);
if (def->normalizedType != "void")
fprintf(out, " return _t0;\n");
fprintf(out, "}\n");
}
static CborError jsonValueToCbor(CborEncoder *parent, const QJsonValue &v);
static CborError jsonObjectToCbor(CborEncoder *parent, const QJsonObject &o)
{
auto it = o.constBegin();
auto end = o.constEnd();
CborEncoder map;
cbor_encoder_create_map(parent, &map, o.size());
for ( ; it != end; ++it) {
QByteArray key = it.key().toUtf8();
cbor_encode_text_string(&map, key.constData(), key.size());
jsonValueToCbor(&map, it.value());
}
return cbor_encoder_close_container(parent, &map);
}
static CborError jsonArrayToCbor(CborEncoder *parent, const QJsonArray &a)
{
CborEncoder array;
cbor_encoder_create_array(parent, &array, a.size());
for (const QJsonValue &v : a)
jsonValueToCbor(&array, v);
return cbor_encoder_close_container(parent, &array);
}
static CborError jsonValueToCbor(CborEncoder *parent, const QJsonValue &v)
{
switch (v.type()) {
case QJsonValue::Null:
case QJsonValue::Undefined:
return cbor_encode_null(parent);
case QJsonValue::Bool:
return cbor_encode_boolean(parent, v.toBool());
case QJsonValue::Array:
return jsonArrayToCbor(parent, v.toArray());
case QJsonValue::Object:
return jsonObjectToCbor(parent, v.toObject());
case QJsonValue::String: {
QByteArray s = v.toString().toUtf8();
return cbor_encode_text_string(parent, s.constData(), s.size());
}
case QJsonValue::Double: {
double d = v.toDouble();
if (d == floor(d) && fabs(d) <= (Q_INT64_C(1) << std::numeric_limits<double>::digits))
return cbor_encode_int(parent, qint64(d));
return cbor_encode_double(parent, d);
}
}
Q_UNREACHABLE();
return CborUnknownError;
}
void Generator::generatePluginMetaData()
{
if (cdef->pluginData.iid.isEmpty())
return;
fputs("\nQT_PLUGIN_METADATA_SECTION\n"
"static constexpr unsigned char qt_pluginMetaData[] = {\n"
" 'Q', 'T', 'M', 'E', 'T', 'A', 'D', 'A', 'T', 'A', ' ', '!',\n"
" // metadata version, Qt version, architectural requirements\n"
" 0, QT_VERSION_MAJOR, QT_VERSION_MINOR, qPluginArchRequirements(),", out);
CborDevice dev(out);
CborEncoder enc;
cbor_encoder_init_writer(&enc, CborDevice::callback, &dev);
CborEncoder map;
cbor_encoder_create_map(&enc, &map, CborIndefiniteLength);
dev.nextItem("\"IID\"");
cbor_encode_int(&map, int(QtPluginMetaDataKeys::IID));
cbor_encode_text_string(&map, cdef->pluginData.iid.constData(), cdef->pluginData.iid.size());
dev.nextItem("\"className\"");
cbor_encode_int(&map, int(QtPluginMetaDataKeys::ClassName));
cbor_encode_text_string(&map, cdef->classname.constData(), cdef->classname.size());
QJsonObject o = cdef->pluginData.metaData.object();
if (!o.isEmpty()) {
dev.nextItem("\"MetaData\"");
cbor_encode_int(&map, int(QtPluginMetaDataKeys::MetaData));
jsonObjectToCbor(&map, o);
}
if (!cdef->pluginData.uri.isEmpty()) {
dev.nextItem("\"URI\"");
cbor_encode_int(&map, int(QtPluginMetaDataKeys::URI));
cbor_encode_text_string(&map, cdef->pluginData.uri.constData(), cdef->pluginData.uri.size());
}
// Add -M args from the command line:
for (auto it = cdef->pluginData.metaArgs.cbegin(), end = cdef->pluginData.metaArgs.cend(); it != end; ++it) {
const QJsonArray &a = it.value();
QByteArray key = it.key().toUtf8();
dev.nextItem(QByteArray("command-line \"" + key + "\"").constData());
cbor_encode_text_string(&map, key.constData(), key.size());
jsonArrayToCbor(&map, a);
}
// Close the CBOR map manually
dev.nextItem();
cbor_encoder_close_container(&enc, &map);
fputs("\n};\n", out);
// 'Use' all namespaces.
int pos = cdef->qualified.indexOf("::");
for ( ; pos != -1 ; pos = cdef->qualified.indexOf("::", pos + 2) )
fprintf(out, "using namespace %s;\n", cdef->qualified.left(pos).constData());
fprintf(out, "QT_MOC_EXPORT_PLUGIN(%s, %s)\n\n",
cdef->qualified.constData(), cdef->classname.constData());
}
QT_WARNING_DISABLE_GCC("-Wunused-function")
QT_WARNING_DISABLE_CLANG("-Wunused-function")
QT_WARNING_DISABLE_CLANG("-Wundefined-internal")
QT_WARNING_DISABLE_MSVC(4334) // '<<': result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)
#define CBOR_ENCODER_WRITER_CONTROL 1
#define CBOR_ENCODER_WRITE_FUNCTION CborDevice::callback
QT_END_NAMESPACE
#include "cborencoder.c"