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improved code generation for virtual functions to support overriding getter slots that are named as properties...
improved code generation for virtual functions to support overriding getter slots that are named as properties git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@240 ea8d5007-eb21-0410-b261-ccb3ea6e24a9

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shellheadergenerator.cpp
317 lines | 11.4 KiB | text/x-c | CppLexer
/ generator / shellheadergenerator.cpp
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 /****************************************************************************
**
florianlink
updated generator to LGPLed version from gitorious...
r87 ** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 **
florianlink
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r87 ** This file is part of the Qt Script Generator project on Qt Labs.
florianlink
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r10 **
florianlink
updated generator to LGPLed version from gitorious...
r87 ** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 **
florianlink
updated generator to LGPLed version from gitorious...
r87 ** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 **
florianlink
updated generator to LGPLed version from gitorious...
r87 ** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 **
****************************************************************************/
#include "shellheadergenerator.h"
#include "fileout.h"
#include <QtCore/QDir>
#include <qdebug.h>
QString ShellHeaderGenerator::fileNameForClass(const AbstractMetaClass *meta_class) const
{
florianlink
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r24 return QString("PythonQtWrapper_%1.h").arg(meta_class->name());
florianlink
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r10 }
florianlink
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r114
void ShellHeaderGenerator::writeFieldAccessors(QTextStream &s, const AbstractMetaField *field)
{
const AbstractMetaFunction *setter = field->setter();
const AbstractMetaFunction *getter = field->getter();
florianlink
fixed some badly generated fields...
r118
// static fields are not supported (yet?)
if (setter->isStatic()) return;
// Uuid data4 did not work (TODO: move to typesystem...(
florianlink
changed special generated method prefix to py_, added py_toString() generation...
r115 if (field->enclosingClass()->name()=="QUuid" && setter->name()=="data4") return;
florianlink
fixed some badly generated fields...
r118 if (field->enclosingClass()->name()=="QIPv6Address") return;
florianlink
added generation of setter_/getter_ slots for public member variables...
r114 if (!field->type()->isConstant()) {
writeFunctionSignature(s, setter, 0, QString(),
Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | ShowStatic | UnderscoreSpaces));
s << "{ theWrappedObject->" << field->name() << " = " << setter->arguments()[0]->argumentName() << "; }\n";
}
writeFunctionSignature(s, getter, 0, QString(),
Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
s << "{ return theWrappedObject->" << field->name() << "; }\n";
}
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 void ShellHeaderGenerator::write(QTextStream &s, const AbstractMetaClass *meta_class)
{
florianlink
added builtin support for variants etc., this will replace the direct includes in PythonQt...
r93 QString builtIn = ShellGenerator::isBuiltIn(meta_class->name())?"_builtin":"";
QString pro_file_name = meta_class->package().replace(".", "_") + builtIn + "/" + meta_class->package().replace(".", "_") + builtIn + ".pri";
priGenerator->addHeader(pro_file_name, fileNameForClass(meta_class));
setupGenerator->addClass(meta_class->package().replace(".", "_") + builtIn, meta_class);
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24
QString include_block = "PYTHONQTWRAPPER_" + meta_class->name().toUpper() + "_H";
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << "#ifndef " << include_block << endl
<< "#define " << include_block << endl << endl;
florianlink
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r10
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 Include inc = meta_class->typeEntry()->include();
ShellGenerator::writeInclude(s, inc);
florianlink
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r10
s << "#include <QObject>" << endl << endl;
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << "#include <PythonQt.h>" << endl << endl;
florianlink
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r10
IncludeList list = meta_class->typeEntry()->extraIncludes();
qSort(list.begin(), list.end());
foreach (const Include &inc, list) {
florianlink
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r24 ShellGenerator::writeInclude(s, inc);
florianlink
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r10 }
s << endl;
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 AbstractMetaFunctionList ctors = meta_class->queryFunctions(AbstractMetaClass::Constructors
| AbstractMetaClass::WasVisible
| AbstractMetaClass::NotRemovedFromTargetLang);
florianlink
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r192 if (meta_class->qualifiedCppName().contains("Ssl")) {
s << "#ifndef QT_NO_OPENSSL" << endl;
}
florianlink
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r24 // Shell-------------------------------------------------------------------
if (meta_class->generateShellClass()) {
florianlink
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r10
florianlink
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r24 AbstractMetaFunctionList virtualsForShell = getVirtualFunctionsForShell(meta_class);
s << "class " << shellClassName(meta_class)
<< " : public " << meta_class->qualifiedCppName() << endl << "{" << endl;
florianlink
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r10 s << "public:" << endl;
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 foreach(AbstractMetaFunction* fun, ctors) {
s << " ";
writeFunctionSignature(s, fun, 0,"PythonQtShell_",
Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
s << ":" << meta_class->qualifiedCppName() << "(";
QString scriptFunctionName = fun->originalName();
AbstractMetaArgumentList args = fun->arguments();
for (int i = 0; i < args.size(); ++i) {
if (i > 0)
s << ", ";
s << args.at(i)->argumentName();
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << "),_wrapper(NULL) {};" << endl;
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << endl;
florianlink
added destructor creation for shells...
r178 s << " ~" << shellClassName(meta_class) << "();" << endl;
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24
foreach(AbstractMetaFunction* fun, virtualsForShell) {
s << "virtual ";
writeFunctionSignature(s, fun, 0, QString(),
Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
s << ";" << endl;
}
s << endl;
s << " PythonQtInstanceWrapper* _wrapper; " << endl;
s << "};" << endl << endl;
}
// Promoter-------------------------------------------------------------------
AbstractMetaFunctionList promoteFunctions = getProtectedFunctionsThatNeedPromotion(meta_class);
if (!promoteFunctions.isEmpty()) {
s << "class " << promoterClassName(meta_class)
<< " : public " << meta_class->qualifiedCppName() << endl << "{ public:" << endl;
foreach(AbstractMetaFunction* fun, promoteFunctions) {
s << "inline ";
florianlink
- upgraded generator to generate polymorphic handlers for downcasting...
r29 writeFunctionSignature(s, fun, 0, "promoted_",
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
s << " { ";
QString scriptFunctionName = fun->originalName();
AbstractMetaArgumentList args = fun->arguments();
if (fun->type())
s << "return ";
s << meta_class->qualifiedCppName() << "::";
s << fun->originalName() << "(";
for (int i = 0; i < args.size(); ++i) {
if (i > 0)
s << ", ";
s << args.at(i)->argumentName();
}
s << "); }" << endl;
}
s << "};" << endl << endl;
}
// Wrapper-------------------------------------------------------------------
s << "class " << wrapperClassName(meta_class)
<< " : public QObject" << endl
<< "{ Q_OBJECT" << endl;
s << "public:" << endl;
AbstractMetaEnumList enums1 = meta_class->enums();
AbstractMetaEnumList enums;
florianlink
added support for qflags, which where previously missing...
r49 QList<FlagsTypeEntry*> flags;
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 foreach(AbstractMetaEnum* enum1, enums1) {
// catch gadgets and enums that are not exported on QObjects...
if (enum1->wasPublic() && (!meta_class->isQObject() || !enum1->hasQEnumsDeclaration())) {
enums << enum1;
florianlink
added support for qflags, which where previously missing...
r49 if (enum1->typeEntry()->flags()) {
flags << enum1->typeEntry()->flags();
}
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 }
}
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 if (enums.count()) {
s << "Q_ENUMS(";
foreach(AbstractMetaEnum* enum1, enums) {
s << enum1->name() << " ";
}
s << ")" << endl;
florianlink
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r49
if (flags.count()) {
s << "Q_FLAGS(";
foreach(FlagsTypeEntry* flag1, flags) {
QString origName = flag1->originalName();
int idx = origName.lastIndexOf("::");
if (idx!= -1) {
origName = origName.mid(idx+2);
}
s << origName << " ";
}
s << ")" << endl;
}
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 foreach(AbstractMetaEnum* enum1, enums) {
s << "enum " << enum1->name() << "{" << endl;
bool first = true;
foreach(AbstractMetaEnumValue* value, enum1->values()) {
if (first) { first = false; }
else { s << ", "; }
s << " " << value->name() << " = " << meta_class->qualifiedCppName() << "::" << value->name();
}
s << "};" << endl;
}
florianlink
added support for qflags, which where previously missing...
r49 if (flags.count()) {
foreach(AbstractMetaEnum* enum1, enums) {
if (enum1->typeEntry()->flags()) {
QString origName = enum1->typeEntry()->flags()->originalName();
int idx = origName.lastIndexOf("::");
if (idx!= -1) {
origName = origName.mid(idx+2);
}
s << "Q_DECLARE_FLAGS("<< origName << ", " << enum1->name() <<")"<<endl;
}
}
}
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << "public slots:" << endl;
if (meta_class->generateShellClass() || !meta_class->isAbstract()) {
bool copyConstructorSeen = false;
bool defaultConstructorSeen = false;
foreach (const AbstractMetaFunction *fun, ctors) {
if (!fun->isPublic() || fun->isAbstract()) { continue; }
s << meta_class->qualifiedCppName() << "* ";
writeFunctionSignature(s, fun, 0, "new_",
Option(IncludeDefaultExpression | OriginalName | ShowStatic));
s << ";" << endl;
if (fun->arguments().size()==1 && meta_class->qualifiedCppName() == fun->arguments().at(0)->type()->typeEntry()->qualifiedCppName()) {
copyConstructorSeen = true;
}
if (fun->arguments().size()==0) {
defaultConstructorSeen = true;
}
}
if (meta_class->typeEntry()->isValue()
&& !copyConstructorSeen && defaultConstructorSeen) {
QString className = meta_class->generateShellClass()?shellClassName(meta_class):meta_class->qualifiedCppName();
s << meta_class->qualifiedCppName() << "* new_" << meta_class->name() << "(const " << meta_class->qualifiedCppName() << "& other) {" << endl;
s << className << "* a = new " << className << "();" << endl;
s << "*((" << meta_class->qualifiedCppName() << "*)a) = other;" << endl;
s << "return a; }" << endl;
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }
}
if (meta_class->hasPublicDestructor() && !meta_class->isNamespace()) {
s << "void delete_" << meta_class->name() << "(" << meta_class->qualifiedCppName() << "* obj) { delete obj; } ";
s << endl;
}
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24
AbstractMetaFunctionList functions = getFunctionsToWrap(meta_class);
foreach (const AbstractMetaFunction *function, functions) {
florianlink
generate extra wrappers for virtual slots to allow correct deriving via Python and to avoid recursion...
r175 if (!function->isSlot() || function->isVirtual()) {
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << " ";
writeFunctionSignature(s, function, 0, QString(),
florianlink
added return value conversion from reference to pointer to work around moc limitations, added toString method generation...
r70 Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces));
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << ";" << endl;
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 }
florianlink
changed special generated method prefix to py_, added py_toString() generation...
r115 if (meta_class->hasDefaultToStringFunction() || meta_class->hasToStringCapability()) {
s << " QString py_toString(" << meta_class->qualifiedCppName() << "*);" << endl;
florianlink
added return value conversion from reference to pointer to work around moc limitations, added toString method generation...
r70 }
florianlink
added support for operators and rich compare...
r119 if (meta_class->hasDefaultIsNull()) {
s << " bool __nonzero__(" << meta_class->qualifiedCppName() << "* obj) { return !obj->isNull(); }" << endl;
}
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10
florianlink
added generation of setter_/getter_ slots for public member variables...
r114 // Field accessors
foreach (const AbstractMetaField *field, meta_class->fields()) {
if (field->isPublic()) {
writeFieldAccessors(s, field);
}
}
florianlink
enabled shell injection and added data() for bytearray and addAction for QMenu/Bar and QToolBar, moved QByteArray to builtin classes...
r124 writeInjectedCode(s, meta_class);
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10
florianlink
enabled shell injection and added data() for bytearray and addAction for QMenu/Bar and QToolBar, moved QByteArray to builtin classes...
r124
florianlink
added data accessors for QImage (bits()/scanLine() and const versions)...
r192 s << "};" << endl << endl;
if (meta_class->qualifiedCppName().contains("Ssl")) {
s << "#endif" << endl << endl;
}
s << "#endif // " << include_block << endl;
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10
}
void ShellHeaderGenerator::writeInjectedCode(QTextStream &s, const AbstractMetaClass *meta_class)
{
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 CodeSnipList code_snips = meta_class->typeEntry()->codeSnips();
foreach (const CodeSnip &cs, code_snips) {
florianlink
enabled shell injection and added data() for bytearray and addAction for QMenu/Bar and QToolBar, moved QByteArray to builtin classes...
r124 if (cs.language == TypeSystem::PyWrapperDeclaration) {
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 s << cs.code() << endl;
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
r24 }
florianlink
syncing with my current work, updating to 1.2, see changelog...
r10 }