Commit 019fead3 authored by Roberto Raggi's avatar Roberto Raggi
Browse files

Generator for the accept0 methods.

parent a790c13c
......@@ -258,6 +258,7 @@ public:
"**************************************************************************/\n"
"\n"
"#include \"AST.h\"\n"
"#include \"ASTVisitor.h\"\n"
"\n"
"CPLUSPLUS_BEGIN_NAMESPACE\n" << std::endl;
......@@ -341,6 +342,130 @@ protected:
}
};
class VisitCG: protected ASTVisitor
{
public:
VisitCG(Control *control)
: ASTVisitor(control)
{ }
void operator()(AST *ast)
{
std::cout <<
"/**************************************************************************\n"
"**\n"
"** This file is part of Qt Creator\n"
"**\n"
"** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).\n"
"**\n"
"** Contact: Nokia Corporation (qt-info@nokia.com)\n"
"**\n"
"** Commercial Usage\n"
"**\n"
"** Licensees holding valid Qt Commercial licenses may use this file in\n"
"** accordance with the Qt Commercial License Agreement provided with the\n"
"** Software or, alternatively, in accordance with the terms contained in\n"
"** a written agreement between you and Nokia.\n"
"**\n"
"** GNU Lesser General Public License Usage\n"
"**\n"
"** Alternatively, this file may be used under the terms of the GNU Lesser\n"
"** General Public License version 2.1 as published by the Free Software\n"
"** Foundation and appearing in the file LICENSE.LGPL included in the\n"
"** packaging of this file. Please review the following information to\n"
"** ensure the GNU Lesser General Public License version 2.1 requirements\n"
"** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.\n"
"**\n"
"** If you are unsure which license is appropriate for your use, please\n"
"** contact the sales department at http://www.qtsoftware.com/contact.\n"
"**\n"
"**************************************************************************/\n"
"\n"
"#include \"AST.h\"\n"
"\n"
"CPLUSPLUS_BEGIN_NAMESPACE\n" << std::endl;
accept(ast);
std::cout << "CPLUSPLUS_END_NAMESPACE" << std::endl;
}
protected:
using ASTVisitor::visit;
QMap<QByteArray, ClassSpecifierAST *> classMap;
QByteArray id_cast(NameAST *name)
{
if (! name)
return QByteArray();
Identifier *id = identifier(name->asSimpleName()->identifier_token);
return QByteArray::fromRawData(id->chars(), id->size());
}
void visitMembers(Class *klass)
{
const QByteArray className = klass->name()->identifier()->chars();
std::cout << " // visit " << className.constData() << std::endl;
for (unsigned i = 0; i < klass->memberCount(); ++i) {
Symbol *member = klass->memberAt(i);
Identifier *id = member->name()->identifier();
if (! id)
continue;
const QByteArray memberName = QByteArray::fromRawData(id->chars(), id->size());
if (member->type().isUnsigned() && memberName.endsWith("_token")) {
// nothing to do. The member is a token.
} else if (PointerType *ptrTy = member->type()->asPointerType()) {
if (NamedType *namedTy = ptrTy->elementType()->asNamedType()) {
QByteArray typeName = namedTy->name()->identifier()->chars();
if (typeName.endsWith("AST")) {
std::cout << " accept(" << memberName.constData() << ", visitor);" << std::endl;
}
}
}
}
for (unsigned i = 0; i < klass->baseClassCount(); ++i) {
const QByteArray baseClassName = klass->baseClassAt(i)->identifier()->chars();
if (ClassSpecifierAST *baseClassSpec = classMap.value(baseClassName, 0)) {
visitMembers(baseClassSpec->symbol);
}
}
}
virtual bool visit(ClassSpecifierAST *ast)
{
Class *klass = ast->symbol;
const QByteArray className = id_cast(ast->name);
classMap.insert(className, ast);
Identifier *visit_id = control()->findOrInsertIdentifier("accept0");
if (! klass->members()->lookat(visit_id))
return true;
std::cout
<< "void " << className.constData() << "::accept0(ASTVisitor *visitor)" << std::endl
<< "{" << std::endl
<< " if (visitor->visit(this)) {" << std::endl;
visitMembers(klass);
std::cout
<< " }" << std::endl
<< " visitor->endVisit(this);" << std::endl
<< "}" << std::endl
<< std::endl;
return true;
}
};
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
......@@ -377,7 +502,7 @@ int main(int argc, char *argv[])
const QByteArray source = in.readAll();
Control control;
StringLiteral *fileId = control.findOrInsertFileName("<stdin>");
StringLiteral *fileId = control.findOrInsertStringLiteral("<stdin>");
TranslationUnit unit(&control, fileId);
unit.setObjCEnabled(true);
unit.setSource(source.constData(), source.size());
......
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