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abstractmetabuilder.cpp
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/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** 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 [email protected].
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "abstractmetabuilder.h"
#include "reporthandler.h"
#include "ast.h"
#include "binder.h"
#include "control.h"
#include "default_visitor.h"
#include "dumptree.h"
#include "lexer.h"
#include "parser.h"
#include "tokens.h"
#include <QtCore/QDebug>
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QTextCodec>
#include <QtCore/QTextStream>
#include <QtCore/QVariant>
static QString strip_template_args(const QString &name)
{
int pos = name.indexOf('<');
return pos < 0 ? name : name.left(pos);
}
static QHash<QString, QString> *operator_names;
QString rename_operator(const QString &oper)
{
QString op = oper.trimmed();
if (!operator_names) {
operator_names = new QHash<QString, QString>;
operator_names->insert("+", "__add__");
operator_names->insert("-", "__sub__");
operator_names->insert("*", "__mul__");
operator_names->insert("/", "__div__");
operator_names->insert("%", "__mod__");
operator_names->insert("&", "__and__");
operator_names->insert("|", "__or__");
operator_names->insert("^", "__xor__");
operator_names->insert("~", "__invert__");
operator_names->insert("<<", "__lshift__");
operator_names->insert(">>", "__rshift__");
// assigments
operator_names->insert("=", "assign");
operator_names->insert("+=", "__iadd__");
operator_names->insert("-=", "__isub__");
operator_names->insert("*=", "__imul__");
operator_names->insert("/=", "__idiv__");
operator_names->insert("%=", "__imod__");
operator_names->insert("&=", "__iand__");
operator_names->insert("|=", "__ior__");
operator_names->insert("^=", "__ixor__");
operator_names->insert("<<=", "__ilshift__");
operator_names->insert(">>=", "__irshift__");
// Logical
operator_names->insert("&&", "logical_and");
operator_names->insert("||", "logical_or");
operator_names->insert("!", "not");
// incr/decr
operator_names->insert("++", "increment");
operator_names->insert("--", "decrement");
// compare
operator_names->insert("<", "__lt__");
operator_names->insert(">", "__gt__");
operator_names->insert("<=", "__le__");
operator_names->insert(">=", "__ge__");
operator_names->insert("!=", "__ne__");
operator_names->insert("==", "__eq__");
// other
operator_names->insert("[]", "subscript");
operator_names->insert("->", "pointer");
}
if (!operator_names->contains(op)) {
TypeDatabase *tb = TypeDatabase::instance();
TypeParser::Info typeInfo = TypeParser::parse(op);
QString cast_to_name = typeInfo.qualified_name.join("::");
TypeEntry *te = tb->findType(cast_to_name);
if ((te && te->codeGeneration() == TypeEntry::GenerateNothing)
|| tb->isClassRejected(cast_to_name)) {
return QString();
} else if (te) {
return "operator_cast_" + typeInfo.qualified_name.join("_");
} else {
ReportHandler::warning(QString("unknown operator '%1'").arg(op));
return "operator " + op;
}
}
QString r = operator_names->value(op);
if (r.startsWith("__")) {
return r;
} else {
return "operator_" + r;
}
}
AbstractMetaBuilder::AbstractMetaBuilder()
: m_current_class(0)
{
}
void AbstractMetaBuilder::checkFunctionModifications()
{
TypeDatabase *types = TypeDatabase::instance();
SingleTypeEntryHash entryHash = types->entries();
QList<TypeEntry *> entries = entryHash.values();
foreach (TypeEntry *entry, entries) {
if (entry == 0)
continue;
if (!entry->isComplex() || entry->codeGeneration() == TypeEntry::GenerateNothing)
continue;
ComplexTypeEntry *centry = static_cast<ComplexTypeEntry *>(entry);
FunctionModificationList modifications = centry->functionModifications();
foreach (FunctionModification modification, modifications) {
QString signature = modification.signature;
QString name = signature.trimmed();
name = name.mid(0, signature.indexOf("("));
AbstractMetaClass *clazz = m_meta_classes.findClass(centry->qualifiedCppName());
if (clazz == 0)
continue;
AbstractMetaFunctionList functions = clazz->functions();
bool found = false;
QStringList possibleSignatures;
foreach (AbstractMetaFunction *function, functions) {
if (function->minimalSignature() == signature && function->implementingClass() == clazz) {
found = true;
break;
}
if (function->originalName() == name)
possibleSignatures.append(function->minimalSignature() + " in " + function->implementingClass()->name());
}
if (!found) {
QString warning
= QString("signature '%1' for function modification in '%2' not found. Possible candidates: %3")
.arg(signature)
.arg(clazz->qualifiedCppName())
.arg(possibleSignatures.join(", "));
ReportHandler::warning(warning);
}
}
}
}
AbstractMetaClass *AbstractMetaBuilder::argumentToClass(ArgumentModelItem argument)
{
AbstractMetaClass *returned = 0;
bool ok = false;
AbstractMetaType *type = translateType(argument->type(), &ok);
if (ok && type != 0 && type->typeEntry() != 0 && type->typeEntry()->isComplex()) {
const TypeEntry *entry = type->typeEntry();
returned = m_meta_classes.findClass(entry->name());
}
delete type;
return returned;
}
/**
* Checks the argument of a hash function and flags the type if it is a complex type
*/
void AbstractMetaBuilder::registerHashFunction(FunctionModelItem function_item)
{
ArgumentList arguments = function_item->arguments();
if (arguments.size() == 1) {
if (AbstractMetaClass *cls = argumentToClass(arguments.at(0)))
cls->setHasHashFunction(true);
}
}
/**
* Check if a class has a debug stream operator that can be used as toString
*/
void AbstractMetaBuilder::registerToStringCapability(FunctionModelItem function_item)
{
ArgumentList arguments = function_item->arguments();
if (arguments.size() == 2) {
if (arguments.at(0)->type().toString() == "QDebug"){
ArgumentModelItem arg = arguments.at(1);
if (AbstractMetaClass *cls = argumentToClass(arg)) {
if (arg->type().indirections() < 2 && cls->name()!="QObject") {
cls->setToStringCapability(function_item);
}
}
}
}
}
void AbstractMetaBuilder::traverseCompareOperator(FunctionModelItem item) {
ArgumentList arguments = item->arguments();
if (arguments.size() == 2 && item->accessPolicy() == CodeModel::Public) {
AbstractMetaClass *comparer_class = argumentToClass(arguments.at(0));
AbstractMetaClass *compared_class = argumentToClass(arguments.at(1));
if (comparer_class != 0 && compared_class != 0) {
AbstractMetaClass *old_current_class = m_current_class;
m_current_class = comparer_class;
AbstractMetaFunction *meta_function = traverseFunction(item);
if (meta_function != 0 && !meta_function->isInvalid()) {
// Strip away first argument, since that is the containing object
AbstractMetaArgumentList arguments = meta_function->arguments();
arguments.pop_front();
meta_function->setArguments(arguments);
meta_function->setFunctionType(AbstractMetaFunction::GlobalScopeFunction);
meta_function->setOriginalAttributes(meta_function->attributes());
setupFunctionDefaults(meta_function, comparer_class);
comparer_class->addFunction(meta_function);
} else if (meta_function != 0) {
delete meta_function;
}
m_current_class = old_current_class;
}
}
}
void AbstractMetaBuilder::traverseStreamOperator(FunctionModelItem item)
{
ArgumentList arguments = item->arguments();
if (arguments.size() == 2 && item->accessPolicy() == CodeModel::Public) {
AbstractMetaClass *streamClass = argumentToClass(arguments.at(0));
AbstractMetaClass *streamedClass = argumentToClass(arguments.at(1));
if (streamClass != 0 && streamedClass != 0
&& (streamClass->name() == "QDataStream" || streamClass->name() == "QTextStream")) {
AbstractMetaClass *old_current_class = m_current_class;
m_current_class = streamedClass;
AbstractMetaFunction *streamFunction = traverseFunction(item);
if (streamFunction != 0 && !streamFunction->isInvalid()) {
QString name = item->name();
streamFunction->setFunctionType(AbstractMetaFunction::GlobalScopeFunction);
if (name.endsWith("<<"))
streamFunction->setName("writeTo");
else
streamFunction->setName("readFrom");
// Strip away last argument, since that is the containing object
AbstractMetaArgumentList arguments = streamFunction->arguments();
arguments.pop_back();
streamFunction->setArguments(arguments);
*streamFunction += AbstractMetaAttributes::Final;
*streamFunction += AbstractMetaAttributes::Public;
streamFunction->setOriginalAttributes(streamFunction->attributes());
streamFunction->setType(0);
setupFunctionDefaults(streamFunction, streamedClass);
streamedClass->addFunction(streamFunction);
streamedClass->typeEntry()->addExtraInclude(streamClass->typeEntry()->include());
m_current_class = old_current_class;
}
}
}
}
void AbstractMetaBuilder::traverseBinaryArithmeticOperator(FunctionModelItem item)
{
ArgumentList arguments = item->arguments();
if (arguments.size() == 2 && item->accessPolicy() == CodeModel::Public) {
AbstractMetaClass *aClass = argumentToClass(arguments.at(0));
AbstractMetaClass *bClass = argumentToClass(arguments.at(1));
if (!aClass) return;
AbstractMetaClass *old_current_class = m_current_class;
m_current_class = aClass;
AbstractMetaFunction *streamFunction = traverseFunction(item);
if (streamFunction != 0 && !streamFunction->isInvalid()) {
QString name = rename_operator(item->name().mid(8));
if (name.isEmpty()) return;
streamFunction->setFunctionType(AbstractMetaFunction::GlobalScopeFunction);
streamFunction->setName(name);
// Strip away the first argument, since that is the operator object
AbstractMetaArgumentList arguments = streamFunction->arguments();
arguments.removeFirst();
streamFunction->setArguments(arguments);
*streamFunction += AbstractMetaAttributes::Final;
*streamFunction += AbstractMetaAttributes::Public;
streamFunction->setOriginalAttributes(streamFunction->attributes());
setupFunctionDefaults(streamFunction, aClass);
aClass->addFunction(streamFunction);
if (bClass) {
aClass->typeEntry()->addExtraInclude(bClass->typeEntry()->include());
}
m_current_class = old_current_class;
}
}
}
void AbstractMetaBuilder::fixQObjectForScope(TypeDatabase *types,
NamespaceModelItem scope)
{
foreach (ClassModelItem item, scope->classes()) {
QString qualified_name = item->qualifiedName().join("::");
TypeEntry *entry = types->findType(qualified_name);
if (entry) {
if (isQObject(qualified_name) && entry->isComplex()) {
((ComplexTypeEntry *) entry)->setQObject(true);
}
}
}
foreach (NamespaceModelItem item, scope->namespaceMap().values()) {
if (scope != item)
fixQObjectForScope(types, item);
}
}
static bool class_less_than(AbstractMetaClass *a, AbstractMetaClass *b)
{
return a->name() < b->name();
}
void AbstractMetaBuilder::sortLists()
{
qSort(m_meta_classes.begin(), m_meta_classes.end(), class_less_than);
foreach (AbstractMetaClass *cls, m_meta_classes) {
cls->sortFunctions();
}
}
bool AbstractMetaBuilder::build()
{
Q_ASSERT(!m_file_name.isEmpty());
QFile file(m_file_name);
if (!file.open(QFile::ReadOnly))
return false;
QTextStream stream(&file);
stream.setCodec(QTextCodec::codecForName("UTF-8"));
QByteArray contents = stream.readAll().toUtf8();
file.close();
Control control;
Parser p(&control);
pool __pool;
TranslationUnitAST *ast = p.parse(contents, contents.size(), &__pool);
CodeModel model;
Binder binder(&model, p.location());
m_dom = binder.run(ast);
pushScope(model_dynamic_cast<ScopeModelItem>(m_dom));
QHash<QString, ClassModelItem> typeMap = m_dom->classMap();
// fix up QObject's in the type system..
TypeDatabase *types = TypeDatabase::instance();
fixQObjectForScope(types, model_dynamic_cast<NamespaceModelItem>(m_dom));
// Start the generation...
foreach (ClassModelItem item, typeMap.values()) {
AbstractMetaClass *cls = traverseClass(item);
addAbstractMetaClass(cls);
}
QHash<QString, NamespaceModelItem> namespaceMap = m_dom->namespaceMap();
foreach (NamespaceModelItem item, namespaceMap.values()) {
AbstractMetaClass *meta_class = traverseNamespace(item);
if (meta_class)
m_meta_classes << meta_class;
}
// Some trickery to support global-namespace enums...
QHash<QString, EnumModelItem> enumMap = m_dom->enumMap();
m_current_class = 0;
foreach (EnumModelItem item, enumMap) {
AbstractMetaEnum *meta_enum = traverseEnum(item, 0, QSet<QString>());
if (meta_enum) {
QString package = meta_enum->typeEntry()->javaPackage();
QString globalName = TypeDatabase::globalNamespaceClassName(meta_enum->typeEntry());
AbstractMetaClass *global = m_meta_classes.findClass(package + "." + globalName);
if (!global) {
ComplexTypeEntry *gte = new ObjectTypeEntry(globalName);
gte->setTargetLangPackage(meta_enum->typeEntry()->javaPackage());
gte->setCodeGeneration(meta_enum->typeEntry()->codeGeneration());
global = createMetaClass();
global->setTypeEntry(gte);
*global += AbstractMetaAttributes::Final;
*global += AbstractMetaAttributes::Public;
*global += AbstractMetaAttributes::Fake;
m_meta_classes << global;
}
global->addEnum(meta_enum);
meta_enum->setEnclosingClass(global);
meta_enum->typeEntry()->setQualifier(globalName);
// Global enums should be public despite not having public
// identifiers so we'll fix the original attributes here.
meta_enum->setOriginalAttributes(meta_enum->attributes());
}
}
// Go through all typedefs to see if we have defined any
// specific typedefs to be used as classes.
TypeAliasList typeAliases = m_dom->typeAliases();
foreach (TypeAliasModelItem typeAlias, typeAliases) {
AbstractMetaClass *cls = traverseTypeAlias(typeAlias);
addAbstractMetaClass(cls);
}
foreach (AbstractMetaClass *cls, m_meta_classes) {
if (!cls->isInterface() && !cls->isNamespace()) {
setupInheritance(cls);
}
}
foreach (AbstractMetaClass *cls, m_meta_classes) {
cls->fixFunctions();
if (cls->typeEntry() == 0) {
ReportHandler::warning(QString("class '%1' does not have an entry in the type system")
.arg(cls->name()));
} else {
if (!cls->hasConstructors() && !cls->isFinalInCpp() && !cls->isInterface() && !cls->isNamespace())
cls->addDefaultConstructor();
}
if (cls->isAbstract() && !cls->isInterface()) {
cls->typeEntry()->setLookupName(cls->typeEntry()->targetLangName() + "$ConcreteWrapper");
}
}
QList<TypeEntry *> entries = TypeDatabase::instance()->entries().values();
foreach (const TypeEntry *entry, entries) {
if (entry->isPrimitive())
continue;
if ((entry->isValue() || entry->isObject())
&& !entry->isString()
&& !entry->isChar()
&& !entry->isContainer()
&& !entry->isCustom()
&& !entry->isVariant()
&& !m_meta_classes.findClass(entry->qualifiedCppName())) {
ReportHandler::warning(QString("type '%1' is specified in typesystem, but not defined. This could potentially lead to compilation errors.")
.arg(entry->qualifiedCppName()));
}
if (entry->isEnum()) {
QString pkg = entry->javaPackage();
QString name = (pkg.isEmpty() ? QString() : pkg + ".")
+ ((EnumTypeEntry *) entry)->javaQualifier();
AbstractMetaClass *cls = m_meta_classes.findClass(name);
if (!cls) {
ReportHandler::warning(QString("namespace '%1' for enum '%2' is not declared")
.arg(name).arg(entry->targetLangName()));
} else {
AbstractMetaEnum *e = cls->findEnum(entry->targetLangName());
if (!e)
ReportHandler::warning(QString("enum '%1' is specified in typesystem, "
"but not declared")
.arg(entry->qualifiedCppName()));
}
}
}
{
FunctionList hash_functions = m_dom->findFunctions("qHash");
foreach (FunctionModelItem item, hash_functions) {
registerHashFunction(item);
}
}
{
FunctionList hash_functions = m_dom->findFunctions("operator<<");
foreach (FunctionModelItem item, hash_functions) {
registerToStringCapability(item);
}
}
{
FunctionList compare_operators = m_dom->findFunctions("operator==")
+ m_dom->findFunctions("operator<=")
+ m_dom->findFunctions("operator>=")
+ m_dom->findFunctions("operator<")
+ m_dom->findFunctions("operator>");
foreach (FunctionModelItem item, compare_operators) {
traverseCompareOperator(item);
}
}
{
FunctionList stream_operators =
m_dom->findFunctions("operator+") + m_dom->findFunctions("operator-")
+ m_dom->findFunctions("operator/") + m_dom->findFunctions("operator*")
+ m_dom->findFunctions("operator&") + m_dom->findFunctions("operator|")
+ m_dom->findFunctions("operator%") + m_dom->findFunctions("operator^");
foreach (FunctionModelItem item, stream_operators) {
traverseBinaryArithmeticOperator(item);
}
}
{
FunctionList stream_operators = m_dom->findFunctions("operator<<") + m_dom->findFunctions("operator>>");
foreach (FunctionModelItem item, stream_operators) {
traverseStreamOperator(item);
}
}
figureOutEnumValues();
checkFunctionModifications();
foreach (AbstractMetaClass *cls, m_meta_classes) {
setupEquals(cls);
setupComparable(cls);
setupClonable(cls);
}
dumpLog();
sortLists();
return true;
}
void AbstractMetaBuilder::addAbstractMetaClass(AbstractMetaClass *cls)
{
if (!cls)
return;
cls->setOriginalAttributes(cls->attributes());
if (cls->typeEntry()->isContainer()) {
m_templates << cls;
} else {
m_meta_classes << cls;
if (cls->typeEntry()->designatedInterface()) {
AbstractMetaClass *interface = cls->extractInterface();
m_meta_classes << interface;
ReportHandler::debugSparse(QString(" -> interface '%1'").arg(interface->name()));
}
}
}
AbstractMetaClass *AbstractMetaBuilder::traverseNamespace(NamespaceModelItem namespace_item)
{
QString namespace_name = (!m_namespace_prefix.isEmpty() ? m_namespace_prefix + "::" : QString()) + namespace_item->name();
NamespaceTypeEntry *type = TypeDatabase::instance()->findNamespaceType(namespace_name);
if (TypeDatabase::instance()->isClassRejected(namespace_name)) {
m_rejected_classes.insert(namespace_name, GenerationDisabled);
return 0;
}
if (!type) {
ReportHandler::warning(QString("namespace '%1' does not have a type entry")
.arg(namespace_name));
return 0;
}
AbstractMetaClass *meta_class = createMetaClass();
meta_class->setTypeEntry(type);
*meta_class += AbstractMetaAttributes::Public;
m_current_class = meta_class;
ReportHandler::debugSparse(QString("namespace '%1.%2'")
.arg(meta_class->package())
.arg(namespace_item->name()));
traverseEnums(model_dynamic_cast<ScopeModelItem>(namespace_item), meta_class, namespace_item->enumsDeclarations());
traverseFunctions(model_dynamic_cast<ScopeModelItem>(namespace_item), meta_class);
// traverseClasses(model_dynamic_cast<ScopeModelItem>(namespace_item));
pushScope(model_dynamic_cast<ScopeModelItem>(namespace_item));
m_namespace_prefix = currentScope()->qualifiedName().join("::");
ClassList classes = namespace_item->classes();
foreach (ClassModelItem cls, classes) {
AbstractMetaClass *mjc = traverseClass(cls);
addAbstractMetaClass(mjc);
}
// Go through all typedefs to see if we have defined any
// specific typedefs to be used as classes.
TypeAliasList typeAliases = namespace_item->typeAliases();
foreach (TypeAliasModelItem typeAlias, typeAliases) {
AbstractMetaClass *cls = traverseTypeAlias(typeAlias);
addAbstractMetaClass(cls);
}
// Traverse namespaces recursively
QList<NamespaceModelItem> inner_namespaces = namespace_item->namespaceMap().values();
foreach (const NamespaceModelItem &ni, inner_namespaces) {
AbstractMetaClass *mjc = traverseNamespace(ni);
addAbstractMetaClass(mjc);
}
m_current_class = 0;
popScope();
m_namespace_prefix = currentScope()->qualifiedName().join("::");
if (!type->include().isValid()) {
QFileInfo info(namespace_item->fileName());
type->setInclude(Include(Include::IncludePath, info.fileName()));
}
return meta_class;
}
struct Operator
{
enum Type { Plus, ShiftLeft, None };
Operator() : type(None) { }
int calculate(int x) {
switch (type) {
case Plus: return x + value;
case ShiftLeft: return x << value;
case None: return x;
}
return x;
}
Type type;
int value;
};
Operator findOperator(QString *s) {
const char *names[] = {
"+",
"<<"
};
for (int i=0; i<Operator::None; ++i) {
QString name = QLatin1String(names[i]);
QString str = *s;
int splitPoint = str.indexOf(name);
if (splitPoint > 0) {
bool ok;
QString right = str.mid(splitPoint + name.length());
Operator op;
op.value = right.toInt(&ok);
if (ok) {
op.type = Operator::Type(i);
*s = str.left(splitPoint).trimmed();
return op;
}
}
}
return Operator();
}
int AbstractMetaBuilder::figureOutEnumValue(const QString &stringValue,
int oldValuevalue,
AbstractMetaEnum *meta_enum,
AbstractMetaFunction *meta_function)
{
if (stringValue.isEmpty())
return oldValuevalue;
QStringList stringValues = stringValue.split("|");
int returnValue = 0;
bool matched = false;
for (int i=0; i<stringValues.size(); ++i) {
QString s = stringValues.at(i).trimmed();
bool ok;
int v;
Operator op = findOperator(&s);
if (s.length() > 0 && s.at(0) == QLatin1Char('0'))
v = s.toUInt(&ok, 0);
else
v = s.toInt(&ok);
if (ok) {
matched = true;
} else if (m_enum_values.contains(s)) {
v = m_enum_values[s]->value();
matched = true;
} else {
AbstractMetaEnumValue *ev = 0;
if (meta_enum && (ev = meta_enum->values().find(s))) {
v = ev->value();
matched = true;
} else if (meta_enum && (ev = meta_enum->enclosingClass()->findEnumValue(s, meta_enum))) {
v = ev->value();
matched = true;
} else {
/*
if (meta_enum)
ReportHandler::warning("unhandled enum value: " + s + " in "
+ meta_enum->enclosingClass()->name() + "::"
+ meta_enum->name());
else
ReportHandler::warning("unhandled enum value: Unknown enum");
*/
}
}
if (matched)
returnValue |= op.calculate(v);
}
if (!matched) {
/* not helpful...
QString warn = QString("unmatched enum %1").arg(stringValue);
if (meta_function != 0) {
warn += QString(" when parsing default value of '%1' in class '%2'")
.arg(meta_function->name())
.arg(meta_function->implementingClass()->name());
}
ReportHandler::warning(warn);
*/
returnValue = oldValuevalue;
}
return returnValue;
}
void AbstractMetaBuilder::figureOutEnumValuesForClass(AbstractMetaClass *meta_class,
QSet<AbstractMetaClass *> *classes)
{
AbstractMetaClass *base = meta_class->baseClass();
if (base != 0 && !classes->contains(base))
figureOutEnumValuesForClass(base, classes);
if (classes->contains(meta_class))
return;
AbstractMetaEnumList enums = meta_class->enums();
foreach (AbstractMetaEnum *e, enums) {
if (!e) {
ReportHandler::warning("bad enum in class " + meta_class->name());
continue;
}
AbstractMetaEnumValueList lst = e->values();
int value = 0;
for (int i=0; i<lst.size(); ++i) {
value = figureOutEnumValue(lst.at(i)->stringValue(), value, e);
lst.at(i)->setValue(value);
value++;
}
// Check for duplicate values...
EnumTypeEntry *ete = e->typeEntry();
if (!ete->forceInteger()) {
QHash<int, AbstractMetaEnumValue *> entries;
foreach (AbstractMetaEnumValue *v, lst) {
bool vRejected = ete->isEnumValueRejected(v->name());
AbstractMetaEnumValue *current = entries.value(v->value());
if (current) {
bool currentRejected = ete->isEnumValueRejected(current->name());
if (!currentRejected && !vRejected) {
/* Removed because I don't see the sense of rejecting duplicate values...
ReportHandler::warning(
QString("duplicate enum values: %1::%2, %3 and %4 are %5, already rejected: (%6)")
.arg(meta_class->name())
.arg(e->name())
.arg(v->name())
.arg(entries[v->value()]->name())
.arg(v->value())
.arg(ete->enumValueRejections().join(", ")));
continue;
*/
}
}
if (!vRejected)
entries[v->value()] = v;
}
// Entries now contain all the original entries, no
// rejected ones... Use this to generate the enumValueRedirection table.
foreach (AbstractMetaEnumValue *reject, lst) {
if (!ete->isEnumValueRejected(reject->name()))
continue;
AbstractMetaEnumValue *used = entries.value(reject->value());
if (!used) {
ReportHandler::warning(
QString::fromLatin1("Rejected enum has no alternative...: %1::%2")
.arg(meta_class->name())
.arg(reject->name()));
continue;
}
ete->addEnumValueRedirection(reject->name(), used->name());
}
}
}
*classes += meta_class;
}
void AbstractMetaBuilder::figureOutEnumValues()
{
// Keep a set of classes that we already traversed. We use this to
// enforce that we traverse base classes prior to subclasses.
QSet<AbstractMetaClass *> classes;
foreach (AbstractMetaClass *c, m_meta_classes) {
figureOutEnumValuesForClass(c, &classes);
}
}
AbstractMetaEnum *AbstractMetaBuilder::traverseEnum(EnumModelItem enum_item, AbstractMetaClass *enclosing, const QSet<QString> &enumsDeclarations)
{
// Skipping private enums.
if (enum_item->accessPolicy() == CodeModel::Private) {
return 0;
}
QString qualified_name = enum_item->qualifiedName().join("::");
TypeEntry *type_entry = TypeDatabase::instance()->findType(qualified_name);
QString enum_name = enum_item->name();
QString class_name;
if (m_current_class)
class_name = m_current_class->typeEntry()->qualifiedCppName();
if (TypeDatabase::instance()->isEnumRejected(class_name, enum_name)) {
m_rejected_enums.insert(qualified_name, GenerationDisabled);
return 0;
}
if (!type_entry || !type_entry->isEnum()) {
QString context = m_current_class ? m_current_class->name() : QLatin1String("");
ReportHandler::warning(QString("enum '%1' does not have a type entry or is not an enum")
.arg(qualified_name));
m_rejected_enums.insert(qualified_name, NotInTypeSystem);
return 0;
}
AbstractMetaEnum *meta_enum = createMetaEnum();
if ( enumsDeclarations.contains(qualified_name)
|| enumsDeclarations.contains(enum_name)) {
meta_enum->setHasQEnumsDeclaration(true);
}
meta_enum->setTypeEntry((EnumTypeEntry *) type_entry);
switch (enum_item->accessPolicy()) {
case CodeModel::Public: *meta_enum += AbstractMetaAttributes::Public; break;
case CodeModel::Protected: *meta_enum += AbstractMetaAttributes::Protected; break;
// case CodeModel::Private: *meta_enum += AbstractMetaAttributes::Private; break;
default: break;
}
ReportHandler::debugMedium(QString(" - traversing enum %1").arg(meta_enum->fullName()));
foreach (EnumeratorModelItem value, enum_item->enumerators()) {
AbstractMetaEnumValue *meta_enum_value = createMetaEnumValue();
meta_enum_value->setName(value->name());
// Deciding the enum value...
meta_enum_value->setStringValue(value->value());
meta_enum->addEnumValue(meta_enum_value);
ReportHandler::debugFull(" - " + meta_enum_value->name() + " = "
+ meta_enum_value->value());
// Add into global register...
if (enclosing)
m_enum_values[enclosing->name() + "::" + meta_enum_value->name()] = meta_enum_value;
else
m_enum_values[meta_enum_value->name()] = meta_enum_value;
}
QFileInfo info(enum_item->fileName());
meta_enum->typeEntry()->setInclude(Include(Include::IncludePath, info.fileName()));
m_enums << meta_enum;
return meta_enum;
}
AbstractMetaClass *AbstractMetaBuilder::traverseTypeAlias(TypeAliasModelItem typeAlias)
{
QString class_name = strip_template_args(typeAlias->name());
QString full_class_name = class_name;
// we have an inner class
if (m_current_class) {
full_class_name = strip_template_args(m_current_class->typeEntry()->qualifiedCppName())
+ "::" + full_class_name;
}
// If we haven't specified anything for the typedef, then we don't care
ComplexTypeEntry *type = TypeDatabase::instance()->findComplexType(full_class_name);
if (type == 0)