Mercurial > projects > qtd
view generator/cppgenerator.cpp @ 321:d458ed66e871 signals
minor stuff
author | eldar_ins@eldar-laptop |
---|---|
date | Sat, 26 Dec 2009 05:10:16 +0500 |
parents | cf8a415f3f32 |
children | 17b5e13364b7 08c1ca7975ab |
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/**************************************************************************** ** ** Copyright (C) 1992-2008 Nokia. All rights reserved. ** ** This file is part of Qt Jambi. ** ** * Commercial Usage * Licensees holding valid Qt Commercial licenses may use this file in * accordance with the Qt Commercial License Agreement provided with the * Software or, alternatively, in accordance with the terms contained in * a written agreement between you and Nokia. * * * GNU General Public License Usage * Alternatively, this file may be used under the terms of the GNU * General Public License versions 2.0 or 3.0 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.fsf.org/licensing/licenses/info/GPLv2.html and * http://www.gnu.org/copyleft/gpl.html. In addition, as a special * exception, Nokia gives you certain additional rights. These rights * are described in the Nokia Qt GPL Exception version 1.2, included in * the file GPL_EXCEPTION.txt in this package. * * Qt for Windows(R) Licensees * As a special exception, Nokia, as the sole copyright holder for Qt * Designer, grants users of the Qt/Eclipse Integration plug-in the * right for the Qt/Eclipse Integration to link to functionality * provided by Qt Designer and its related libraries. * * * If you are unsure which license is appropriate for your use, please * contact the sales department at qt-sales@nokia.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 "cppgenerator.h" #include "reporthandler.h" #include "metajava.h" // ### There's a bug in Qt causing it to fail at normalizing signatures // on the form FooBar<T> const&, which is the form the C++ parser uses // for all types, so connections between Java and C++ with const& templates // will fail. This is a work around which is only needed until that bug is fixed. // Since Qt works correctly with const FooBar<T> &, we simply change the // signature to that. QString CppGenerator::fixNormalizedSignatureForQt(const QString &signature) { QString ret = signature; if (signature.contains("<") && signature.endsWith("const&")) { ret = "const " + signature.mid(0, signature.size() - 6) + "&"; } return ret; } void CppGenerator::writeTypeInfo(QTextStream &s, const AbstractMetaType *type, Option options) { if ((options & OriginalTypeDescription) && !type->originalTypeDescription().isEmpty()) { QString originalTypeDescription = type->originalTypeDescription(); if (options & NormalizeAndFixTypeSignature) { originalTypeDescription = QMetaObject::normalizedSignature(originalTypeDescription.toLatin1().constData()); originalTypeDescription = fixNormalizedSignatureForQt(originalTypeDescription); } s << 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 { if (options & VirtualDispatch && te->name() == "QModelIndex") s << "QModelIndexAccessor"; 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 << '>'; } int actual_indirections = type->indirections(); // for getting C++ elements from array we want pointers even if elements are // values because wrapper actually contains pointers if ((options & ForcePointer) && actual_indirections == 0 && !type->isPrimitive() && !type->typeEntry()->isStructInD() && type->name() != "QModelIndex" && !type->isEnum()) actual_indirections = 1; s << QString(actual_indirections, '*'); if (type->isReference() && !(options & ExcludeReference)) s << "&"; if (!(options & SkipName)) s << ' '; } void CppGenerator::writeFunctionArguments(QTextStream &s, 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->indexedName(); if ((option & IncludeDefaultExpression) && !arg->originalDefaultValueExpression().isEmpty()) { s << " = "; QString expr = arg->originalDefaultValueExpression(); if (arg->type()->typeEntry()->isEnum() && expr.indexOf("::") < 0) s << ((EnumTypeEntry *)arg->type()->typeEntry())->qualifier() << "::"; s << expr; } } } /*! * Writes the function \a java_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 CppGenerator::writeFunctionSignature(QTextStream &s, const AbstractMetaFunction *java_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 = java_function->type(); if (java_function->isStatic() && (option & ShowStatic)) s << "static "; if ((option & SkipReturnType) == 0) { if (function_type) { writeTypeInfo(s, function_type, option); s << " "; } else if (!java_function->isConstructor()) { s << "void "; } } if (implementor) { if (classname_prefix.isEmpty()) s << shellClassName(implementor) << "::"; else s << classname_prefix << implementor->name() << "::"; } QString function_name; if (option & OriginalName) function_name = java_function->originalName(); else function_name = java_function->name(); if (option & UnderscoreSpaces) function_name = function_name.replace(' ', '_'); if (java_function->isConstructor()) function_name = shellClassName(java_function->ownerClass()); s << name_prefix << function_name; if (java_function->attributes() & AbstractMetaAttributes::SetterFunction) s << "_setter"; else if (java_function->attributes() & AbstractMetaAttributes::GetterFunction) s << "_getter"; s << "("; const AbstractMetaClass *owner = java_function->ownerClass(); bool has_d_ptr = java_function->isConstructor() && owner && (owner->hasVirtualFunctions()/* || owner->typeEntry()->isObject()*/ ); const AbstractMetaArgumentList arg_list = java_function->arguments(); if (has_d_ptr) { s << "void *d_ptr"; if (arg_list.size() > 0) s << ", "; } writeFunctionArguments(s, arg_list, option, numArguments); // The extra arguments... for (int i=0; i<extra_arguments.size(); ++i) { if (i > 0 || java_function->arguments().size() != 0) s << ", "; s << extra_arguments.at(i); } s << ")"; if (java_function->isConstant()) s << " const"; }