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Diffstat (limited to 'hppgenerator.cpp')
| -rw-r--r-- | hppgenerator.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/hppgenerator.cpp b/hppgenerator.cpp new file mode 100644 index 000000000..4e7da1120 --- /dev/null +++ b/hppgenerator.cpp @@ -0,0 +1,219 @@ +/* + * This file is part of the Boost Python Generator project. + * + * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + * + * Contact: PySide team <contact@pyside.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ +#include "hppgenerator.h" +#include <apiextractor/reporthandler.h> + +#include <QtCore/QDir> +#include <QtCore/QTextStream> +#include <QtCore/QVariant> +#include <QtCore/QRegExp> +#include <QtCore/QDebug> + +static Indentor INDENT; + +QString HppGenerator::fileNameForClass(const AbstractMetaClass *cppClass) const +{ + return getWrapperName(cppClass) + QLatin1String(".hpp"); +} + +void HppGenerator::writeCopyCtor(QTextStream &s, const AbstractMetaClass *cppClass) +{ + s << INDENT << getWrapperName(cppClass) << "(const " << cppClass->qualifiedCppName() << "& self)" + << " : " << cppClass->qualifiedCppName() << "(self)" << endl + << INDENT << "{" << endl + << INDENT << "}" << endl; +} + +void HppGenerator::generateClass(QTextStream &s, const AbstractMetaClass *cppClass) +{ + ReportHandler::debugSparse("Generating header for " + cppClass->fullName()); + Indentation indent(INDENT); + + // write license comment + s << licenseComment() << endl; + + QString wrapperName = HppGenerator::getWrapperName(cppClass); + // Header + s << "#ifndef __" << wrapperName.toUpper() << "__" << endl; + s << "#define __" << wrapperName.toUpper() << "__" << endl << endl; + + s << "#include <pyside.hpp>" << endl; + //Includes + if (cppClass->typeEntry()->include().isValid()) + s << cppClass->typeEntry()->include().toString() << endl << endl; + + s << "using namespace PySide;" << endl << endl; + + if (!cppClass->isPolymorphic() || cppClass->hasPrivateDestructor() || cppClass->isNamespace()) + s << "namespace " << wrapperName << " {" << endl << endl; + + if (cppClass->isNamespace()) { + s << INDENT << "struct Namespace {};" << endl; + } else { + QString className; + bool create_wrapper = canCreateWrapperFor(cppClass); + // detect the held type + QString held_type = cppClass->typeEntry()->heldTypeValue(); + if (held_type.isEmpty() && create_wrapper) + held_type = "qptr"; + + writeCodeSnips(s, cppClass->typeEntry()->codeSnips(), + CodeSnip::Declaration, TypeSystem::NativeCode); + + if (cppClass->isPolymorphic() && !cppClass->hasPrivateDestructor()) { + if (!held_type.isEmpty()) { + s << "// held type forward decalration" << endl; + s << "template<typename T> class " << held_type << ';' << endl; + } + + // Class + s << "class PYSIDE_LOCAL " << wrapperName; + if (create_wrapper) { + s << " : public " << cppClass->qualifiedCppName() << ", public boost::python::wrapper<"; + s << cppClass->qualifiedCppName() << '>'; + } + s << endl; + s << "{" << endl; + } + + writeCodeSnips(s, cppClass->typeEntry()->codeSnips(), + CodeSnip::Declaration, TypeSystem::ShellDeclaration); + + if (cppClass->isPolymorphic() && !cppClass->hasPrivateDestructor()) { + s << endl << "private:" << endl; + + if (cppClass->hasPrivateDestructor()) + className = cppClass->qualifiedCppName(); + else + className = wrapperName; + } else { + className = cppClass->qualifiedCppName(); + } + + // print the huge boost::python::class_ typedef + s << INDENT << "typedef boost::python::class_< " << className; + + writeBaseClass(s, cppClass); + + if (!held_type.isEmpty()) + s << ", PySide::" << held_type << " < " << className << ", PySide::qptr_base::avoid_cache > "; + + if (!isCopyable(cppClass)) + s << ", boost::noncopyable"; + + s << " > class_type;" << endl; + + if (cppClass->isPolymorphic() && !cppClass->hasPrivateDestructor()) { + s << "public:" << endl; + + if (isCopyable(cppClass)) + writeCopyCtor(s, cppClass); + + foreach (AbstractMetaFunction *func, filterFunctions(cppClass)) + writeFunction(s, func); + + if (create_wrapper) { + //destructor + s << INDENT << "~" << wrapperName << "();" << endl; + + if (cppClass->isQObject() && (cppClass->name() != "QObject")) + s << INDENT << "using QObject::parent;" << endl; + } + } + + writeCodeSnips(s, cppClass->typeEntry()->codeSnips(), + CodeSnip::End, TypeSystem::ShellDeclaration); + + } + + QString staticKeyword = cppClass->isNamespace() ? QLatin1String("") : QLatin1String("static "); + s << INDENT; + if (cppClass->isPolymorphic() && !cppClass->hasPrivateDestructor()) { + s << "//static member used to export class" << endl; + s << INDENT << staticKeyword; + } + s << "void define_python_class() throw();" << endl << endl; + + writeCodeSnips(s, cppClass->typeEntry()->codeSnips(), + CodeSnip::PrototypeInitialization, TypeSystem::NativeCode); + + + s << "};" << endl << endl; + s << "#endif // __" << wrapperName.toUpper() << "__" << endl << endl; +} + +void HppGenerator::writeFunction(QTextStream &s, const AbstractMetaFunction* func) +{ + // pure virtual functions need a default implementation + if ((func->isPrivate() && !func->isConstructor()) || (func->isModifiedRemoved() && !func->isAbstract())) + return; + + // do not write copy ctors here. + if (func->isCopyConstructor()) + return; + + if (func->isConstructor() || func->isAbstract() || func->isVirtual()) { + if (func->isVirtual() && !func->isAbstract() && !func->isConstructor() + && !func->ownerClass()->hasPrivateDestructor() + && func->implementingClass() == func->ownerClass()) { + s << INDENT << "static " << signatureForDefaultVirtualMethod(func, "", "_default", Generator::SkipName) << ';' << endl; + } + + s << INDENT << functionSignature(func, "", "", Generator::OriginalTypeDescription | Generator::SkipName); + if (func->isModifiedRemoved() && func->isAbstract()) + writeDefaultImplementation(s, func); + else + s << ';' << endl; + } +} + +void HppGenerator::writeDefaultImplementation(QTextStream& s, const AbstractMetaFunction* func) +{ + QString returnValue; + if (func->type()) { + if (func->type()->isObject() || func->type()->isQObject() || func->type()->name() == "void") + returnValue = "0"; + else + returnValue = functionReturnType(func) + "()"; + } + s << " { return " << returnValue << "; }" << endl; +} + +void HppGenerator::writeBaseClass(QTextStream& s, const AbstractMetaClass* cppClass) +{ + if (!cppClass->isNamespace() && !cppClass->isInterface()) { + QStringList baseClass = getBaseClasses(cppClass); + + if (baseClass.isEmpty()) { + const ComplexTypeEntry *type = cppClass->typeEntry(); + if (cppClass->name() != type->defaultSuperclass()) { + QString sc = type->defaultSuperclass(); + if (!sc.isEmpty()) + s << ", python::bases< " << sc << "> "; + } + } else { + s << ", boost::python::bases< " << baseClass.join(", ") << " > "; + } + } +} + |