forked from qt-creator/qt-creator
C++: Remove DeprecatedGenTemplateInstance
It's, well, deprecated... Change-Id: Ie9d7e80345a8d9404f702dd877b3e940a1a49d93 Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
This commit is contained in:
Orgad Shaneh
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Orgad Shaneh
Orgad Shaneh
parent
e5d8dbd070
commit
29ac9fc65f
@@ -1,430 +0,0 @@
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms and
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** conditions see http://www.qt.io/terms-conditions. For further information
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** use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "DeprecatedGenTemplateInstance.h"
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#include "Overview.h"
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#include <cplusplus/Control.h>
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#include <cplusplus/Scope.h>
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#include <cplusplus/Names.h>
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#include <cplusplus/Symbols.h>
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#include <cplusplus/CoreTypes.h>
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#include <cplusplus/Literals.h>
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#include <QVarLengthArray>
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#include <QDebug>
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using namespace CPlusPlus;
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namespace {
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class ApplySubstitution
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{
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public:
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ApplySubstitution(Control *control, Symbol *symbol, const DeprecatedGenTemplateInstance::Substitution &substitution);
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~ApplySubstitution();
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inline Control *control() const { return _control; }
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FullySpecifiedType apply(const Name *name);
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FullySpecifiedType apply(const FullySpecifiedType &type);
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int findSubstitution(const Identifier *id) const;
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FullySpecifiedType applySubstitution(int index) const;
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private:
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class ApplyToType: protected TypeVisitor
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{
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public:
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ApplyToType(ApplySubstitution *q)
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: q(q) {}
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FullySpecifiedType operator()(const FullySpecifiedType &ty)
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{
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FullySpecifiedType previousType = switchType(ty);
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accept(ty.type());
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return switchType(previousType);
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}
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protected:
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using TypeVisitor::visit;
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Control *control() const
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{ return q->control(); }
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FullySpecifiedType switchType(const FullySpecifiedType &type)
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{
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FullySpecifiedType previousType = _type;
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_type = type;
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return previousType;
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}
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virtual void visit(VoidType *)
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{
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// nothing to do
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}
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virtual void visit(IntegerType *)
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{
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// nothing to do
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}
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virtual void visit(FloatType *)
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{
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// nothing to do
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}
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virtual void visit(PointerToMemberType *)
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{
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qDebug() << Q_FUNC_INFO; // ### TODO
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}
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virtual void visit(PointerType *ptrTy)
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{
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_type.setType(control()->pointerType(q->apply(ptrTy->elementType())));
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}
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virtual void visit(ReferenceType *refTy)
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{
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_type.setType(control()->referenceType(q->apply(refTy->elementType()), refTy->isRvalueReference()));
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}
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virtual void visit(ArrayType *arrayTy)
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{
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_type.setType(control()->arrayType(q->apply(arrayTy->elementType()), arrayTy->size()));
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}
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virtual void visit(NamedType *ty)
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{
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FullySpecifiedType n = q->apply(ty->name());
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_type.setType(n.type());
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}
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virtual void visit(Function *funTy)
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{
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Function *fun = control()->newFunction(/*sourceLocation=*/ 0, funTy->name());
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fun->setEnclosingScope(funTy->enclosingScope());
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fun->setConst(funTy->isConst());
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fun->setVolatile(funTy->isVolatile());
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fun->setVirtual(funTy->isVirtual());
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fun->setOverride(funTy->isOverride());
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fun->setFinal(funTy->isFinal());
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fun->setAmbiguous(funTy->isAmbiguous());
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fun->setVariadic(funTy->isVariadic());
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fun->setReturnType(q->apply(funTy->returnType()));
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for (unsigned i = 0, argc = funTy->argumentCount(); i < argc; ++i) {
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Argument *originalArgument = funTy->argumentAt(i)->asArgument();
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Argument *arg = control()->newArgument(/*sourceLocation*/ 0,
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originalArgument->name());
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arg->setType(q->apply(originalArgument->type()));
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arg->setInitializer(originalArgument->initializer());
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fun->addMember(arg);
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}
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_type.setType(fun);
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}
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virtual void visit(Namespace *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(Class *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(Enum *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(ForwardClassDeclaration *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(ObjCClass *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(ObjCProtocol *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(ObjCMethod *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(ObjCForwardClassDeclaration *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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virtual void visit(ObjCForwardProtocolDeclaration *)
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{
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qDebug() << Q_FUNC_INFO;
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}
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private:
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ApplySubstitution *q;
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FullySpecifiedType _type;
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QHash<Symbol *, FullySpecifiedType> _processed;
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};
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class ApplyToName: protected NameVisitor
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{
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public:
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ApplyToName(ApplySubstitution *q): q(q) {}
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FullySpecifiedType operator()(const Name *name)
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{
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FullySpecifiedType previousType = switchType(FullySpecifiedType());
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accept(name);
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return switchType(previousType);
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}
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protected:
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Control *control() const
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{ return q->control(); }
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int findSubstitution(const Identifier *id) const
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{ return q->findSubstitution(id); }
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FullySpecifiedType applySubstitution(int index) const
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{ return q->applySubstitution(index); }
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FullySpecifiedType switchType(const FullySpecifiedType &type)
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{
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FullySpecifiedType previousType = _type;
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_type = type;
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return previousType;
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}
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virtual void visit(const Identifier *name)
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{
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int index = findSubstitution(name->identifier());
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if (index != -1)
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_type = applySubstitution(index);
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else
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_type = control()->namedType(name);
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}
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virtual void visit(const TemplateNameId *name)
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{
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QVarLengthArray<FullySpecifiedType, 8> arguments(name->templateArgumentCount());
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for (unsigned i = 0; i < name->templateArgumentCount(); ++i) {
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FullySpecifiedType argTy = name->templateArgumentAt(i);
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arguments[i] = q->apply(argTy);
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}
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const TemplateNameId *templId = control()->templateNameId(name->identifier(),
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name->isSpecialization(),
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arguments.data(),
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arguments.size());
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_type = control()->namedType(templId);
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}
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const Name *instantiate(const Name *name)
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{
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if (! name)
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return name;
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if (const Identifier *nameId = name->asNameId()) {
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const Identifier *id = control()->identifier(nameId->chars(), nameId->size());
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return id;
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} else if (const TemplateNameId *templId = name->asTemplateNameId()) {
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QVarLengthArray<FullySpecifiedType, 8> arguments(templId->templateArgumentCount());
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for (unsigned templateArgIndex = 0; templateArgIndex < templId->templateArgumentCount();
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++templateArgIndex) {
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FullySpecifiedType argTy = templId->templateArgumentAt(templateArgIndex);
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arguments[templateArgIndex] = q->apply(argTy);
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}
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const Identifier *id = control()->identifier(templId->identifier()->chars(),
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templId->identifier()->size());
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return control()->templateNameId(id, templId->isSpecialization(), arguments.data(),
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arguments.size());
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} else if (const QualifiedNameId *qq = name->asQualifiedNameId()) {
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const Name *base = instantiate(qq->base());
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const Name *name = instantiate(qq->name());
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return control()->qualifiedNameId(base, name);
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} else if (const OperatorNameId *op = name->asOperatorNameId()) {
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return control()->operatorNameId(op->kind());
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} else if (const ConversionNameId *c = name->asConversionNameId()) {
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FullySpecifiedType ty = q->apply(c->type());
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return control()->conversionNameId(ty);
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}
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return 0;
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}
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virtual void visit(const QualifiedNameId *name)
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{
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if (const Name *n = instantiate(name))
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_type = control()->namedType(n);
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}
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virtual void visit(const DestructorNameId *name)
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{
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Overview oo;
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qWarning() << "ignored name:" << oo.prettyName(name);
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}
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virtual void visit(const OperatorNameId *name)
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{
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Overview oo;
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qWarning() << "ignored name:" << oo.prettyName(name);
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}
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virtual void visit(const ConversionNameId *name)
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{
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Overview oo;
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qWarning() << "ignored name:" << oo.prettyName(name);
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}
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virtual void visit(const SelectorNameId *name)
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{
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Overview oo;
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qWarning() << "ignored name:" << oo.prettyName(name);
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}
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private:
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ApplySubstitution *q;
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FullySpecifiedType _type;
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};
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public: // attributes
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Control *_control;
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Symbol *symbol;
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DeprecatedGenTemplateInstance::Substitution substitution;
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ApplyToType applyToType;
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ApplyToName applyToName;
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};
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ApplySubstitution::ApplySubstitution(Control *control, Symbol *symbol,
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const DeprecatedGenTemplateInstance::Substitution &substitution)
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: _control(control), symbol(symbol),
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substitution(substitution),
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applyToType(this), applyToName(this)
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{ }
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ApplySubstitution::~ApplySubstitution()
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{
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}
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FullySpecifiedType ApplySubstitution::apply(const Name *name)
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{
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FullySpecifiedType ty = applyToName(name);
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return ty;
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}
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FullySpecifiedType ApplySubstitution::apply(const FullySpecifiedType &type)
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{
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FullySpecifiedType ty = applyToType(type);
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return ty;
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}
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int ApplySubstitution::findSubstitution(const Identifier *id) const
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{
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Q_ASSERT(id != 0);
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for (int index = 0; index < substitution.size(); ++index) {
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QPair<const Identifier *, FullySpecifiedType> s = substitution.at(index);
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if (id->match(s.first))
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return index;
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}
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return -1;
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}
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FullySpecifiedType ApplySubstitution::applySubstitution(int index) const
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{
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Q_ASSERT(index != -1);
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Q_ASSERT(index < substitution.size());
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return substitution.at(index).second;
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}
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} // end of anonymous namespace
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DeprecatedGenTemplateInstance::DeprecatedGenTemplateInstance(QSharedPointer<Control> control, const Substitution &substitution)
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: _control(control),
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_substitution(substitution)
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{ }
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FullySpecifiedType DeprecatedGenTemplateInstance::gen(Symbol *symbol)
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{
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ApplySubstitution o(_control.data(), symbol, _substitution);
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return o.apply(symbol->type());
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}
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FullySpecifiedType DeprecatedGenTemplateInstance::instantiate(const Name *className, Symbol *candidate,
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QSharedPointer<Control> control)
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{
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if (className) {
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if (const TemplateNameId *templId = className->asTemplateNameId()) {
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if (Template *templ = candidate->enclosingTemplate()) {
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DeprecatedGenTemplateInstance::Substitution subst;
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for (unsigned i = 0; i < templId->templateArgumentCount(); ++i) {
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FullySpecifiedType templArgTy = templId->templateArgumentAt(i);
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if (i < templ->templateParameterCount()) {
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const Name *templArgName = templ->templateParameterAt(i)->name();
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if (templArgName && templArgName->identifier()) {
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const Identifier *templArgId = templArgName->identifier();
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subst.append(qMakePair(templArgId, templArgTy));
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}
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}
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}
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DeprecatedGenTemplateInstance inst(control, subst);
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return inst.gen(candidate);
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}
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}
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}
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return candidate->type();
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}
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Reference in New Issue
Block a user