shellheadergenerator.cpp
392 lines
| 13.9 KiB
| text/x-c
|
CppLexer
/ generator / shellheadergenerator.cpp
r0 | /**************************************************************************** | |||
** | ||||
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). | ||||
** All rights reserved. | ||||
** Contact: Nokia Corporation (qt-info@nokia.com) | ||||
** | ||||
** This file is part of the Qt Script Generator project on Qt Labs. | ||||
** | ||||
** $QT_BEGIN_LICENSE:LGPL$ | ||||
** 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. | ||||
** | ||||
** 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. | ||||
** | ||||
** 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. | ||||
** | ||||
** | ||||
** | ||||
** | ||||
** | ||||
** | ||||
** | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include "shellheadergenerator.h" | ||||
#include "fileout.h" | ||||
#include <QtCore/QDir> | ||||
#include <qdebug.h> | ||||
QString ShellHeaderGenerator::fileNameForClass(const AbstractMetaClass *meta_class) const | ||||
{ | ||||
return QString("PythonQtWrapper_%1.h").arg(meta_class->name()); | ||||
} | ||||
void ShellHeaderGenerator::writeFieldAccessors(QTextStream &s, const AbstractMetaField *field) | ||||
{ | ||||
const AbstractMetaFunction *setter = field->setter(); | ||||
const AbstractMetaFunction *getter = field->getter(); | ||||
// static fields are not supported (yet?) | ||||
if (setter->isStatic()) return; | ||||
// Uuid data4 did not work (TODO: move to typesystem...( | ||||
if (field->enclosingClass()->name()=="QUuid" && setter->name()=="data4") return; | ||||
if (field->enclosingClass()->name()=="QIPv6Address") return; | ||||
r11 | bool isInventorField = field->type()->name().startsWith("So"); | |||
if (!isInventorField && !field->type()->isConstant()) { | ||||
r0 | writeFunctionSignature(s, setter, 0, QString(), | |||
Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | ShowStatic | UnderscoreSpaces)); | ||||
s << "{ theWrappedObject->" << field->name() << " = " << setter->arguments()[0]->argumentName() << "; }\n"; | ||||
} | ||||
r11 | bool addIndirection = false; | |||
if (isInventorField && getter->type()->indirections() == 0) { | ||||
// make it a field ptr: | ||||
getter->type()->setIndirections(1); | ||||
addIndirection = true; | ||||
} | ||||
r0 | writeFunctionSignature(s, getter, 0, QString(), | |||
Option(ConvertReferenceToPtr | FirstArgIsWrappedObject| IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces)); | ||||
r11 | s << "{ return "; | |||
if (addIndirection) { | ||||
s << "&"; | ||||
} | ||||
s << "theWrappedObject->" << field->name() << "; }\n"; | ||||
} | ||||
static bool enum_lessThan(const AbstractMetaEnum *a, const AbstractMetaEnum *b) | ||||
{ | ||||
return a->name() < b->name(); | ||||
} | ||||
static bool field_lessThan(const AbstractMetaField *a, const AbstractMetaField *b) | ||||
{ | ||||
return a->name() < b->name(); | ||||
r0 | } | |||
void ShellHeaderGenerator::write(QTextStream &s, const AbstractMetaClass *meta_class) | ||||
{ | ||||
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); | ||||
QString include_block = "PYTHONQTWRAPPER_" + meta_class->name().toUpper() + "_H"; | ||||
s << "#ifndef " << include_block << endl | ||||
<< "#define " << include_block << endl << endl; | ||||
Include inc = meta_class->typeEntry()->include(); | ||||
ShellGenerator::writeInclude(s, inc); | ||||
s << "#include <QObject>" << endl << endl; | ||||
s << "#include <PythonQt.h>" << endl << endl; | ||||
IncludeList list = meta_class->typeEntry()->extraIncludes(); | ||||
qSort(list.begin(), list.end()); | ||||
foreach (const Include &inc, list) { | ||||
ShellGenerator::writeInclude(s, inc); | ||||
} | ||||
s << endl; | ||||
AbstractMetaFunctionList ctors = meta_class->queryFunctions(AbstractMetaClass::Constructors | ||||
| AbstractMetaClass::WasVisible | ||||
| AbstractMetaClass::NotRemovedFromTargetLang); | ||||
if (meta_class->qualifiedCppName().contains("Ssl")) { | ||||
s << "#ifndef QT_NO_OPENSSL" << endl; | ||||
} | ||||
// Shell------------------------------------------------------------------- | ||||
r11 | if (meta_class->generateShellClass() && !ctors.isEmpty()) { | |||
r0 | ||||
AbstractMetaFunctionList virtualsForShell = getVirtualFunctionsForShell(meta_class); | ||||
s << "class " << shellClassName(meta_class) | ||||
<< " : public " << meta_class->qualifiedCppName() << endl << "{" << endl; | ||||
s << "public:" << endl; | ||||
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(); | ||||
} | ||||
r11 | s << "),_wrapper(NULL) { "; | |||
writeInjectedCode(s, meta_class, TypeSystem::PyInheritShellConstructorCode, true); | ||||
s << " };" << endl; | ||||
r0 | } | |||
s << endl; | ||||
s << " ~" << shellClassName(meta_class) << "();" << endl; | ||||
r11 | s << endl; | |||
r0 | ||||
foreach(AbstractMetaFunction* fun, virtualsForShell) { | ||||
s << "virtual "; | ||||
writeFunctionSignature(s, fun, 0, QString(), | ||||
Option(IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces)); | ||||
s << ";" << endl; | ||||
} | ||||
s << endl; | ||||
r11 | writeInjectedCode(s, meta_class, TypeSystem::PyShellDeclaration); | |||
writeInjectedCode(s, meta_class, TypeSystem::PyInheritShellDeclaration, true); | ||||
r0 | s << " PythonQtInstanceWrapper* _wrapper; " << endl; | |||
s << "};" << endl << endl; | ||||
} | ||||
// Promoter------------------------------------------------------------------- | ||||
r11 | AbstractMetaFunctionList promoteFunctions; | |||
if (meta_class->typeEntry()->shouldCreatePromoter()) { | ||||
promoteFunctions = getProtectedFunctionsThatNeedPromotion(meta_class); | ||||
} | ||||
r0 | if (!promoteFunctions.isEmpty()) { | |||
s << "class " << promoterClassName(meta_class) | ||||
<< " : public " << meta_class->qualifiedCppName() << endl << "{ public:" << endl; | ||||
r11 | AbstractMetaEnumList enums1 = meta_class->enums(); | |||
qSort(enums1.begin(), enums1.end(), enum_lessThan); | ||||
foreach(AbstractMetaEnum* enum1, enums1) { | ||||
if (enum1->wasProtected()) { | ||||
s << "enum " << enum1->name() << "{" << endl; | ||||
bool first = true; | ||||
QString scope = meta_class->qualifiedCppName(); | ||||
foreach(AbstractMetaEnumValue* value, enum1->values()) { | ||||
if (first) { first = false; } | ||||
else { s << ", "; } | ||||
s << " " << value->name() << " = " << scope << "::" << value->name(); | ||||
} | ||||
s << "};" << endl; | ||||
} | ||||
} | ||||
r0 | foreach(AbstractMetaFunction* fun, promoteFunctions) { | |||
r11 | if (fun->isStatic()) { | |||
s << "static "; | ||||
} | ||||
r0 | s << "inline "; | |||
writeFunctionSignature(s, fun, 0, "promoted_", | ||||
r11 | Option(IncludeDefaultExpression | OriginalName | UnderscoreSpaces | ProtectedEnumAsInts)); | |||
r0 | s << " { "; | |||
QString scriptFunctionName = fun->originalName(); | ||||
AbstractMetaArgumentList args = fun->arguments(); | ||||
r11 | if (fun->type()) { | |||
r0 | s << "return "; | |||
r11 | } | |||
if (!fun->isAbstract()) { | ||||
s << meta_class->qualifiedCppName() << "::"; | ||||
} | ||||
r0 | s << fun->originalName() << "("; | |||
for (int i = 0; i < args.size(); ++i) { | ||||
r11 | if (i > 0) { | |||
r0 | s << ", "; | |||
r11 | } | |||
if (args.at(i)->type()->isEnum()) { | ||||
AbstractMetaEnum* enumType = m_classes.findEnum((EnumTypeEntry *)args.at(i)->type()->typeEntry()); | ||||
if (enumType && enumType->wasProtected()) { | ||||
s << "(" << enumType->typeEntry()->qualifiedCppName() << ")"; | ||||
} | ||||
} | ||||
r0 | 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(); | ||||
r11 | qSort(enums1.begin(), enums1.end(), enum_lessThan); | |||
r0 | AbstractMetaEnumList enums; | |||
QList<FlagsTypeEntry*> flags; | ||||
foreach(AbstractMetaEnum* enum1, enums1) { | ||||
// catch gadgets and enums that are not exported on QObjects... | ||||
r11 | if ((enum1->wasProtected() || enum1->wasPublic()) && (!meta_class->isQObject() || !enum1->hasQEnumsDeclaration())) { | |||
r0 | enums << enum1; | |||
if (enum1->typeEntry()->flags()) { | ||||
flags << enum1->typeEntry()->flags(); | ||||
} | ||||
} | ||||
} | ||||
if (enums.count()) { | ||||
s << "Q_ENUMS("; | ||||
foreach(AbstractMetaEnum* enum1, enums) { | ||||
s << enum1->name() << " "; | ||||
} | ||||
s << ")" << endl; | ||||
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; | ||||
} | ||||
foreach(AbstractMetaEnum* enum1, enums) { | ||||
s << "enum " << enum1->name() << "{" << endl; | ||||
bool first = true; | ||||
r11 | QString scope = enum1->wasProtected() ? promoterClassName(meta_class) : meta_class->qualifiedCppName(); | |||
r0 | foreach(AbstractMetaEnumValue* value, enum1->values()) { | |||
if (first) { first = false; } | ||||
else { s << ", "; } | ||||
r11 | s << " " << value->name() << " = " << scope << "::" << value->name(); | |||
r0 | } | |||
s << "};" << endl; | ||||
} | ||||
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; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
s << "public slots:" << endl; | ||||
if (meta_class->generateShellClass() || !meta_class->isAbstract()) { | ||||
bool copyConstructorSeen = false; | ||||
bool defaultConstructorSeen = false; | ||||
foreach (const AbstractMetaFunction *fun, ctors) { | ||||
r11 | if (fun->isAbstract() || (!meta_class->generateShellClass() && !fun->isPublic())) { continue; } | |||
r0 | 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; | ||||
} | ||||
} | ||||
if (meta_class->hasPublicDestructor() && !meta_class->isNamespace()) { | ||||
s << "void delete_" << meta_class->name() << "(" << meta_class->qualifiedCppName() << "* obj) { delete obj; } "; | ||||
s << endl; | ||||
} | ||||
AbstractMetaFunctionList functions = getFunctionsToWrap(meta_class); | ||||
foreach (const AbstractMetaFunction *function, functions) { | ||||
if (!function->isSlot() || function->isVirtual()) { | ||||
r11 | ||||
// for debugging: | ||||
functionHasNonConstReferences(function); | ||||
r0 | s << " "; | |||
writeFunctionSignature(s, function, 0, QString(), | ||||
r11 | Option(ConvertReferenceToPtr | FirstArgIsWrappedObject | IncludeDefaultExpression | OriginalName | ShowStatic | UnderscoreSpaces | ProtectedEnumAsInts)); | |||
r0 | s << ";" << endl; | |||
} | ||||
} | ||||
if (meta_class->hasDefaultToStringFunction() || meta_class->hasToStringCapability()) { | ||||
s << " QString py_toString(" << meta_class->qualifiedCppName() << "*);" << endl; | ||||
} | ||||
if (meta_class->hasDefaultIsNull()) { | ||||
s << " bool __nonzero__(" << meta_class->qualifiedCppName() << "* obj) { return !obj->isNull(); }" << endl; | ||||
} | ||||
r11 | AbstractMetaFieldList fields = meta_class->fields(); | |||
qSort(fields.begin(), fields.end(), field_lessThan); | ||||
// TODO: move "So" check to typesystem, e.g. allow star in rejection... | ||||
r0 | // Field accessors | |||
r11 | foreach (const AbstractMetaField *field, fields ) { | |||
r0 | if (field->isPublic()) { | |||
writeFieldAccessors(s, field); | ||||
} | ||||
} | ||||
r11 | writeInjectedCode(s, meta_class, TypeSystem::PyWrapperDeclaration); | |||
r0 | ||||
s << "};" << endl << endl; | ||||
if (meta_class->qualifiedCppName().contains("Ssl")) { | ||||
s << "#endif" << endl << endl; | ||||
} | ||||
s << "#endif // " << include_block << endl; | ||||
} | ||||
r11 | void ShellHeaderGenerator::writeInjectedCode(QTextStream &s, const AbstractMetaClass *meta_class, int type, bool recursive) | |||
r0 | { | |||
r11 | const AbstractMetaClass *cls = meta_class; | |||
do { | ||||
CodeSnipList code_snips = cls->typeEntry()->codeSnips(); | ||||
foreach(const CodeSnip &cs, code_snips) { | ||||
if (cs.language == type) { | ||||
s << cs.code() << endl; | ||||
} | ||||
r0 | } | |||
r11 | cls = cls->baseClass(); | |||
} while (recursive && cls); | ||||
r0 | } | |||