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qt-creator/tests/manual/cplusplus-dump/main.cpp
Erik Verbruggen 7b3f80e6eb Added function specifier info to dumper.
2010-08-24 12:25:09 +02:00

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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include <AST.h>
#include <ASTVisitor.h>
#include <ASTPatternBuilder.h>
#include <ASTMatcher.h>
#include <Control.h>
#include <Scope.h>
#include <TranslationUnit.h>
#include <Literals.h>
#include <Symbols.h>
#include <Names.h>
#include <CoreTypes.h>
#include <CppDocument.h>
#include <SymbolVisitor.h>
#include <Overview.h>
#include <QFile>
#include <QList>
#include <QCoreApplication>
#include <QStringList>
#include <QFileInfo>
#include <QTime>
#include <QtDebug>
#include <cstdio>
#include <cstdlib>
#include <fstream>
#include <iostream>
#ifdef __GNUC__
# include <cxxabi.h>
#endif
using namespace CPlusPlus;
class ASTDump: protected ASTVisitor
{
public:
ASTDump(TranslationUnit *unit)
: ASTVisitor(unit) {}
void operator()(AST *ast) {
QByteArray basename = translationUnit()->fileName();
int dotIdx = basename.lastIndexOf('.');
if (dotIdx != -1)
basename.truncate(dotIdx);
basename.append(".ast.dot");
out.open(basename.constData());
out << "digraph AST { ordering=out;" << std::endl;
// std::cout << "rankdir = \"LR\";" << std::endl;
accept(ast);
typedef QPair<QByteArray, QByteArray> Pair;
foreach (const Pair &conn, _connections)
out << conn.first.constData() << " -> " << conn.second.constData() << std::endl;
alignTerminals();
out << "}" << std::endl;
out.close();
std::cout << basename.constData() << std::endl;
}
// the following file can be generated by using:
// generate-ast <path to cpp stuff> <path to dumpers.inc>
#include "dumpers.inc"
protected:
void alignTerminals() {
out<<"{ rank=same;" << std::endl;
foreach (const QByteArray &terminalShape, _terminalShapes) {
out << " " << std::string(terminalShape) << ";" << std::endl;
}
out<<"}"<<std::endl;
}
static QByteArray name(AST *ast) {
#ifdef __GNUC__
QByteArray name = abi::__cxa_demangle(typeid(*ast).name(), 0, 0, 0) + 11;
name.truncate(name.length() - 3);
#else
QByteArray name = typeid(*ast).name();
#endif
return name;
}
void terminal(unsigned token, AST *node) {
static int count = 1;
QByteArray id = 't' + QByteArray::number(count++);
_connections.append(qMakePair(_id[node], id));
QByteArray t;
t.append(id);
t.append(" [label = \"");
t.append(spell(token));
t.append("\" shape=rect]");
_terminalShapes.append(t);
}
virtual void nonterminal(AST *ast) {
accept(ast);
}
virtual void node(AST *ast) {
out << _id[ast].constData() << " [label=\"" << name(ast).constData() << "\"];" << std::endl;
}
virtual bool preVisit(AST *ast) {
static int count = 1;
const QByteArray id = 'n' + QByteArray::number(count++);
_id[ast] = id;
if (! _stack.isEmpty())
_connections.append(qMakePair(_id[_stack.last()], id));
_stack.append(ast);
node(ast);
return true;
}
virtual void postVisit(AST *) {
_stack.removeLast();
}
private:
QHash<AST *, QByteArray> _id;
QList<QPair<QByteArray, QByteArray> > _connections;
QList<AST *> _stack;
QList<QByteArray> _terminalShapes;
std::ofstream out;
};
class SymbolDump: protected SymbolVisitor
{
public:
SymbolDump(TranslationUnit *unit)
: translationUnit(unit)
{
o.setShowArgumentNames(true);
o.setShowFunctionSignatures(true);
o.setShowReturnTypes(true);
}
void operator()(Symbol *s) {
QByteArray basename = translationUnit->fileName();
int dotIdx = basename.lastIndexOf('.');
if (dotIdx != -1)
basename.truncate(dotIdx);
basename.append(".symbols.dot");
out.open(basename.constData());
out << "digraph Symbols { ordering=out;" << std::endl;
// std::cout << "rankdir = \"LR\";" << std::endl;
accept(s);
for (int i = 0; i < _connections.size(); ++i) {
QPair<Symbol*,Symbol*> connection = _connections.at(i);
QByteArray from = _id.value(connection.first);
if (from.isEmpty())
from = name(connection.first);
QByteArray to = _id.value(connection.second);
if (to.isEmpty())
to = name(connection.second);
out << from.constData() << " -> " << to.constData() << ";" << std::endl;
}
out << "}" << std::endl;
out.close();
std::cout << basename.constData() << std::endl;
}
protected:
QByteArray name(Symbol *s) {
#ifdef __GNUC__
QByteArray result = abi::__cxa_demangle(typeid(*s).name(), 0, 0, 0) + 11;
#else
QByteArray result = typeid(*s).name();
#endif
if (s->identifier()) {
result.append("\\nid: ");
result.append(s->identifier()->chars());
}
if (s->isDeprecated())
result.append("\\n(deprecated)");
return result;
}
virtual bool preVisit(Symbol *s) {
static int count = 0;
QByteArray nodeId("s");
nodeId.append(QByteArray::number(++count));
_id[s] = nodeId;
if (!_stack.isEmpty())
_connections.append(qMakePair(_stack.last(), s));
_stack.append(s);
return true;
}
virtual void postVisit(Symbol *) {
_stack.removeLast();
}
virtual void simpleNode(Symbol *symbol) {
out << _id[symbol].constData() << " [label=\"" << name(symbol).constData() << "\"];" << std::endl;
}
virtual bool visit(Class *symbol) {
const char *id = _id.value(symbol).constData();
out << id << " [label=\"";
if (symbol->isClass()) {
out << "class";
} else if (symbol->isStruct()) {
out << "struct";
} else if (symbol->isUnion()) {
out << "union";
} else {
out << "UNKNOWN";
}
out << "\\nid: ";
if (symbol->identifier()) {
out << symbol->identifier()->chars();
} else {
out << "NO ID";
}
if (symbol->isDeprecated())
out << "\\n(deprecated)";
out << "\"];" << std::endl;
return true;
}
virtual bool visit(UsingNamespaceDirective *symbol) { simpleNode(symbol); return true; }
virtual bool visit(UsingDeclaration *symbol) { simpleNode(symbol); return true; }
virtual bool visit(Declaration *symbol) {
out << _id[symbol].constData() << " [label=\"";
out << "Declaration\\n";
out << qPrintable(o(symbol->name()));
out << ": ";
out << qPrintable(o(symbol->type()));
if (symbol->isDeprecated())
out << "\\n(deprecated)";
if (Function *funTy = symbol->type()->asFunctionType()) {
if (funTy->isPureVirtual())
out << "\\n(pure virtual)";
else if (funTy->isVirtual())
out << "\\n(virtual)";
if (funTy->isSignal())
out << "\\n(signal)";
if (funTy->isSlot())
out << "\\n(slot)";
if (funTy->isInvokable())
out << "\\n(invokable)";
}
out << "\"];" << std::endl;
return true;
}
virtual bool visit(Argument *symbol) { simpleNode(symbol); return true; }
virtual bool visit(TypenameArgument *symbol) { simpleNode(symbol); return true; }
virtual bool visit(BaseClass *symbol) {
out << _id[symbol].constData() << " [label=\"BaseClass\\n";
out << qPrintable(o(symbol->name()));
if (symbol->isDeprecated())
out << "\\n(deprecated)";
out << "\"];" << std::endl;
return true;
}
virtual bool visit(Enum *symbol) { simpleNode(symbol); return true; }
virtual bool visit(Function *symbol) { simpleNode(symbol); return true; }
virtual bool visit(Namespace *symbol) { simpleNode(symbol); return true; }
virtual bool visit(Block *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ForwardClassDeclaration *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCBaseClass *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCBaseProtocol *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCClass *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCForwardClassDeclaration *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCProtocol *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCForwardProtocolDeclaration *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCMethod *symbol) { simpleNode(symbol); return true; }
virtual bool visit(ObjCPropertyDeclaration *symbol) { simpleNode(symbol); return true; }
private:
TranslationUnit *translationUnit;
QHash<Symbol *, QByteArray> _id;
QList<QPair<Symbol *,Symbol*> >_connections;
QList<Symbol *> _stack;
std::ofstream out;
Overview o;
};
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QStringList files = app.arguments();
files.removeFirst();
foreach (const QString &fileName, files) {
QFile file(fileName);
if (! file.open(QFile::ReadOnly)) {
std::cerr << "Cannot open \"" << qPrintable(fileName)
<< "\", skipping it." << std::endl;
continue;
}
const QByteArray source = file.readAll();
file.close();
Document::Ptr doc = Document::create(fileName);
doc->control()->setDiagnosticClient(0);
doc->setSource(source);
doc->parse();
doc->check();
ASTDump dump(doc->translationUnit());
dump(doc->translationUnit()->ast());
SymbolDump dump2(doc->translationUnit());
dump2(doc->globalNamespace());
}
return EXIT_SUCCESS;
}
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