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- upgraded generator to generate polymorphic handlers for downcasting...
- upgraded generator to generate polymorphic handlers for downcasting - fixed virtual function promotion/forwarding git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@65 ea8d5007-eb21-0410-b261-ccb3ea6e24a9
florianlink - - Load All Authors

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shellgenerator.cpp
351 lines | 11.9 KiB | text/x-c | CppLexer
/ generator / shellgenerator.cpp
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florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 /****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Script Generator project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include "shellgenerator.h"
#include "reporthandler.h"
#include "metaqtscript.h"
bool ShellGenerator::shouldGenerate(const AbstractMetaClass *meta_class) const
{
uint cg = meta_class->typeEntry()->codeGeneration();
if (meta_class->name().startsWith("QtScript")) return false;
if (meta_class->name().startsWith("QFuture")) return false;
if (meta_class->name().startsWith("Global")) return false;
if (meta_class->name().startsWith("QStyleOptionComplex")) return false;
if (meta_class->name().startsWith("QTextLayout")) return false;
//if (meta_class->name().startsWith("QTextStream")) return false; // because of >> operators
//if (meta_class->name().startsWith("QDataStream")) return false; // "
return ((cg & TypeEntry::GenerateCode) != 0);
}
void ShellGenerator::writeTypeInfo(QTextStream &s, const AbstractMetaType *type, Option options)
{
if ((options & OriginalTypeDescription) && !type->originalTypeDescription().isEmpty()) {
s << type->originalTypeDescription();
return;
}
if (type->isArray()) {
writeTypeInfo(s, type->arrayElementType(), options);
if (options & ArrayAsPointer) {
s << "*";
} else {
s << "[" << type->arrayElementCount() << "]";
}
return;
}
const TypeEntry *te = type->typeEntry();
if (type->isConstant() && !(options & ExcludeConst))
s << "const ";
if ((options & EnumAsInts) && (te->isEnum() || te->isFlags())) {
s << "int";
} else if (te->isFlags()) {
s << ((FlagsTypeEntry *) te)->originalName();
} else {
s << fixCppTypeName(te->qualifiedCppName());
}
if (type->instantiations().size() > 0
&& (!type->isContainer()
|| (static_cast<const ContainerTypeEntry *>(te))->type() != ContainerTypeEntry::StringListContainer)) {
s << '<';
QList<AbstractMetaType *> args = type->instantiations();
bool nested_template = false;
for (int i=0; i<args.size(); ++i) {
if (i != 0)
s << ", ";
nested_template |= args.at(i)->isContainer();
writeTypeInfo(s, args.at(i));
}
if (nested_template)
s << ' ';
s << '>';
}
s << QString(type->indirections(), '*');
if (type->isReference() && !(options & ExcludeReference))
s << "&";
if (!(options & SkipName))
s << ' ';
}
void ShellGenerator::writeFunctionArguments(QTextStream &s, const AbstractMetaClass* owner,
const AbstractMetaArgumentList &arguments,
Option option,
int numArguments)
{
if (numArguments < 0) numArguments = arguments.size();
for (int i=0; i<numArguments; ++i) {
if (i != 0)
s << ", ";
AbstractMetaArgument *arg = arguments.at(i);
writeTypeInfo(s, arg->type(), option);
if (!(option & SkipName))
s << " " << arg->argumentName();
if ((option & IncludeDefaultExpression) && !arg->originalDefaultValueExpression().isEmpty()) {
s << " = ";
QString expr = arg->originalDefaultValueExpression();
if (expr != "0") {
QString qualifier;
if (arg->type()->typeEntry()->isEnum() && expr.indexOf("::") < 0) {
qualifier = ((EnumTypeEntry *)arg->type()->typeEntry())->qualifier();
} else if (arg->type()->typeEntry()->isFlags() && expr.indexOf("::") < 0) {
qualifier = ((FlagsTypeEntry *)arg->type()->typeEntry())->originator()->qualifier();
}
if (!qualifier.isEmpty()) {
s << qualifier << "::";
}
}
if (expr.contains("defaultConnection")) {
expr.replace("defaultConnection","QSqlDatabase::defaultConnection");
}
if (expr == "MediaSource()") {
expr = "Phonon::MediaSource()";
}
s << expr;
}
}
}
/*!
* Writes the function \a meta_function signature to the textstream \a s.
*
* The \a name_prefix can be used to give the function name a prefix,
* like "__public_" or "__override_" and \a classname_prefix can
* be used to give the class name a prefix.
*
* The \a option flags can be used to tweak various parameters, such as
* showing static, original vs renamed name, underscores for space etc.
*
* The \a extra_arguments list is a list of extra arguments on the
* form "bool static_call".
*/
void ShellGenerator::writeFunctionSignature(QTextStream &s,
const AbstractMetaFunction *meta_function,
const AbstractMetaClass *implementor,
const QString &name_prefix,
Option option,
const QString &classname_prefix,
const QStringList &extra_arguments,
int numArguments)
{
// ### remove the implementor
AbstractMetaType *function_type = meta_function->type();
if ((option & SkipReturnType) == 0) {
if (function_type) {
writeTypeInfo(s, function_type, option);
s << " ";
} else if (!meta_function->isConstructor()) {
s << "void ";
}
}
if (implementor) {
if (classname_prefix.isEmpty())
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
 r24 s << wrapperClassName(implementor) << "::";
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 else
s << classname_prefix << implementor->name() << "::";
}
QString function_name;
if (option & OriginalName)
function_name = meta_function->originalName();
else
function_name = meta_function->name();
if (option & UnderscoreSpaces)
function_name = function_name.replace(' ', '_');
if (meta_function->isConstructor())
function_name = meta_function->ownerClass()->name();
if (meta_function->isStatic() && (option & ShowStatic)) {
function_name = "static_" + meta_function->ownerClass()->name() + "_" + function_name;
}
if (function_name.startsWith("operator")) {
function_name = meta_function->name();
}
s << name_prefix << function_name;
if (meta_function->attributes() & AbstractMetaAttributes::SetterFunction)
s << "_setter";
else if (meta_function->attributes() & AbstractMetaAttributes::GetterFunction)
s << "_getter";
s << "(";
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
 r24 if ((option & FirstArgIsWrappedObject) && meta_function->ownerClass() && !meta_function->isConstructor() && !meta_function->isStatic()) {
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 s << meta_function->ownerClass()->qualifiedCppName() << "* theWrappedObject";
if (meta_function->arguments().size() != 0) {
s << ", ";
}
}
writeFunctionArguments(s, meta_function->ownerClass(), meta_function->arguments(), option, numArguments);
// The extra arguments...
for (int i=0; i<extra_arguments.size(); ++i) {
if (i > 0 || meta_function->arguments().size() != 0)
s << ", ";
s << extra_arguments.at(i);
}
s << ")";
if (meta_function->isConstant())
s << " const";
}
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
 r24
AbstractMetaFunctionList ShellGenerator::getFunctionsToWrap(const AbstractMetaClass* meta_class)
{
AbstractMetaFunctionList functions = meta_class->queryFunctions(
AbstractMetaClass::NormalFunctions | AbstractMetaClass::WasPublic
| AbstractMetaClass::NotRemovedFromTargetLang | AbstractMetaClass::ClassImplements
);
AbstractMetaFunctionList functions2 = meta_class->queryFunctions(
AbstractMetaClass::VirtualFunctions | AbstractMetaClass::WasVisible
| AbstractMetaClass::NotRemovedFromTargetLang | AbstractMetaClass::ClassImplements
);
QSet<AbstractMetaFunction*> set1 = QSet<AbstractMetaFunction*>::fromList(functions);
foreach(AbstractMetaFunction* func, functions2) {
set1.insert(func);
}
AbstractMetaFunctionList resultFunctions;
foreach(AbstractMetaFunction* func, set1.toList()) {
if (!func->isAbstract() && func->implementingClass()==meta_class) {
resultFunctions << func;
}
}
return resultFunctions;
}
AbstractMetaFunctionList ShellGenerator::getVirtualFunctionsForShell(const AbstractMetaClass* meta_class)
{
AbstractMetaFunctionList functions = meta_class->queryFunctions(
AbstractMetaClass::VirtualFunctions | AbstractMetaClass::WasVisible
// | AbstractMetaClass::NotRemovedFromTargetLang
);
return functions;
}
AbstractMetaFunctionList ShellGenerator::getProtectedFunctionsThatNeedPromotion(const AbstractMetaClass* meta_class)
{
AbstractMetaFunctionList functions;
AbstractMetaFunctionList functions1 = getFunctionsToWrap(meta_class);
foreach(AbstractMetaFunction* func, functions1) {
florianlink
- upgraded generator to generate polymorphic handlers for downcasting...
 r29 if (!func->isPublic() || func->isVirtual()) {
florianlink
- added support for deriving CPP classes in Python and to override all public and protected virtual functions from PythonQt...
 r24 functions << func;
}
}
return functions;
}
/*!
Writes the include defined by \a inc to \a stream.
*/
void ShellGenerator::writeInclude(QTextStream &stream, const Include &inc)
{
if (inc.name.isEmpty())
return;
if (inc.type == Include::TargetLangImport)
return;
stream << "#include ";
if (inc.type == Include::IncludePath)
stream << "<";
else
stream << "\"";
stream << inc.name;
if (inc.type == Include::IncludePath)
stream << ">";
else
stream << "\"";
stream << endl;
}
/*!
Returns true if the given function \a fun is operator>>() or
operator<<() that streams from/to a Q{Data,Text}Stream, false
otherwise.
*/
bool ShellGenerator::isSpecialStreamingOperator(const AbstractMetaFunction *fun)
{
return ((fun->functionType() == AbstractMetaFunction::GlobalScopeFunction)
&& (fun->arguments().size() == 1)
&& (((fun->originalName() == "operator>>") && (fun->modifiedName() == "readFrom"))
|| ((fun->originalName() == "operator<<") && (fun->modifiedName() == "writeTo"))));
}
bool ShellGenerator::isBuiltIn(const QString& name) {
static QSet<QString> builtIn;
if (builtIn.isEmpty()) {
builtIn.insert("Qt");
builtIn.insert("QFont");
builtIn.insert("QPixmap");
builtIn.insert("QBrush");
builtIn.insert("QPalette");
builtIn.insert("QIcon");
builtIn.insert("QImage");
builtIn.insert("QPolygon");
builtIn.insert("QRegion");
builtIn.insert("QBitmap");
builtIn.insert("QCursor");
builtIn.insert("QColor");
builtIn.insert("QSizePolicy");
builtIn.insert("QKeySequence");
builtIn.insert("QTextLength");
builtIn.insert("QTextFormat");
builtIn.insert("QMatrix");
builtIn.insert("QDate");
builtIn.insert("QTime");
builtIn.insert("QDateTime");
builtIn.insert("QUrl");
builtIn.insert("QLocale");
builtIn.insert("QRect");
builtIn.insert("QRectF");
builtIn.insert("QSize");
builtIn.insert("QSizeF");
builtIn.insert("QLine");
builtIn.insert("QLineF");
builtIn.insert("QPoint");
builtIn.insert("QPointF");
builtIn.insert("QRegExp");
}
return builtIn.contains(name);
}