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abstractmetabuilder.cpp
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/*
* This file is part of the API Extractor project.
*
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include "abstractmetabuilder.h"
#include "reporthandler.h"
#include "typedatabase.h"
#include "parser/ast.h"
#include "parser/binder.h"
#include "parser/control.h"
#include "parser/default_visitor.h"
#include "parser/dumptree.h"
#include "parser/lexer.h"
#include "parser/parser.h"
#include "parser/tokens.h"
#include <QDebug>
#include <QFile>
#include <QFileInfo>
#include <QTextCodec>
#include <QTextStream>
#include <QVariant>
#include <QTime>
#include <QQueue>
#include <QDir>
#include <cstdio>
#include <algorithm>
#include "graph.h"
#include <QTemporaryFile>
static QString stripTemplateArgs(const QString &name)
{
int pos = name.indexOf('<');
return pos < 0 ? name : name.left(pos);
}
AbstractMetaBuilder::AbstractMetaBuilder() : m_currentClass(0), m_logDirectory(QString('.')+QDir::separator())
{
}
AbstractMetaBuilder::~AbstractMetaBuilder()
{
qDeleteAll(m_globalEnums);
qDeleteAll(m_globalFunctions);
qDeleteAll(m_templates);
qDeleteAll(m_metaClasses);
}
void AbstractMetaBuilder::checkFunctionModifications()
{
TypeDatabase *types = TypeDatabase::instance();
SingleTypeEntryHash entryHash = types->entries();
QList<TypeEntry*> entries = entryHash.values();
foreach (TypeEntry* entry, entries) {
if (!entry)
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_metaClasses.findClass(centry->qualifiedCppName());
if (!clazz)
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 && type->typeEntry() && type->typeEntry()->isComplex()) {
const TypeEntry *entry = type->typeEntry();
returned = m_metaClasses.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->setToStringCapability(true);
}
}
}
}
void AbstractMetaBuilder::traverseOperatorFunction(FunctionModelItem item)
{
if (item->accessPolicy() != CodeModel::Public)
return;
ArgumentList arguments = item->arguments();
AbstractMetaClass* baseoperandClass;
bool firstArgumentIsSelf = true;
bool unaryOperator = false;
baseoperandClass = argumentToClass(arguments.at(0));
if (arguments.size() == 1) {
unaryOperator = true;
} else if (!baseoperandClass
|| !(baseoperandClass->typeEntry()->codeGeneration() & TypeEntry::GenerateTargetLang)) {
baseoperandClass = argumentToClass(arguments.at(1));
firstArgumentIsSelf = false;
} else {
bool ok;
AbstractMetaType* type = translateType(item->type(), &ok);
const TypeEntry* retType = ok ? type->typeEntry() : 0;
AbstractMetaClass* otherArgClass = argumentToClass(arguments.at(1));
if (otherArgClass && retType
&& (retType->isValue() || retType->isObject())
&& retType != baseoperandClass->typeEntry()
&& retType == otherArgClass->typeEntry()) {
baseoperandClass = m_metaClasses.findClass(retType);
firstArgumentIsSelf = false;
}
delete type;
}
if (baseoperandClass) {
AbstractMetaClass* oldCurrentClass = m_currentClass;
m_currentClass = baseoperandClass;
AbstractMetaFunction *metaFunction = traverseFunction(item);
if (metaFunction && !metaFunction->isInvalid()) {
// Strip away first argument, since that is the containing object
AbstractMetaArgumentList arguments = metaFunction->arguments();
if (firstArgumentIsSelf || unaryOperator) {
AbstractMetaArgument* first = arguments.takeFirst();
if (!unaryOperator && first->type()->indirections())
metaFunction->setPointerOperator(true);
delete first;
metaFunction->setArguments(arguments);
} else {
// If the operator method is not unary and the first operator is
// not of the same type of its owning class we suppose that it
// must be an reverse operator (e.g. CLASS::operator(TYPE, CLASS)).
// All operator overloads that operate over a class are already
// being added as member functions of that class by the API Extractor.
AbstractMetaArgument* last = arguments.takeLast();
if (last->type()->indirections())
metaFunction->setPointerOperator(true);
delete last;
metaFunction->setArguments(arguments);
metaFunction->setReverseOperator(true);
}
metaFunction->setFunctionType(AbstractMetaFunction::NormalFunction);
metaFunction->setVisibility(AbstractMetaFunction::Public);
metaFunction->setOriginalAttributes(metaFunction->attributes());
setupFunctionDefaults(metaFunction, baseoperandClass);
baseoperandClass->addFunction(metaFunction);
Q_ASSERT(!metaFunction->wasPrivate());
} else if (metaFunction) {
delete metaFunction;
}
m_currentClass = oldCurrentClass;
}
}
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 && streamedClass && (streamClass->isStream())) {
AbstractMetaClass *oldCurrentClass = m_currentClass;
m_currentClass = streamedClass;
AbstractMetaFunction *streamFunction = traverseFunction(item);
if (streamFunction && !streamFunction->isInvalid()) {
QString name = item->name();
streamFunction->setFunctionType(AbstractMetaFunction::GlobalScopeFunction);
// Strip first argument, since that is the containing object
AbstractMetaArgumentList arguments = streamFunction->arguments();
if (!streamClass->typeEntry()->generateCode())
delete arguments.takeLast();
else
delete arguments.takeFirst();
streamFunction->setArguments(arguments);
*streamFunction += AbstractMetaAttributes::Final;
*streamFunction += AbstractMetaAttributes::Public;
streamFunction->setOriginalAttributes(streamFunction->attributes());
// streamFunction->setType(0);
AbstractMetaClass *funcClass;
if (!streamClass->typeEntry()->generateCode()) {
AbstractMetaArgumentList reverseArgs = reverseList(streamFunction->arguments());
streamFunction->setArguments(reverseArgs);
streamFunction->setReverseOperator(true);
funcClass = streamedClass;
} else {
funcClass = streamClass;
}
setupFunctionDefaults(streamFunction, funcClass);
funcClass->addFunction(streamFunction);
if (funcClass == streamClass)
funcClass->typeEntry()->addExtraInclude(streamedClass->typeEntry()->include());
else
funcClass->typeEntry()->addExtraInclude(streamClass->typeEntry()->include());
m_currentClass = oldCurrentClass;
} else if (streamFunction) {
delete streamFunction;
}
}
}
}
void AbstractMetaBuilder::fixQObjectForScope(TypeDatabase *types,
NamespaceModelItem scope)
{
foreach (ClassModelItem item, scope->classes()) {
QString qualifiedName = item->qualifiedName().join("::");
TypeEntry* entry = types->findType(qualifiedName);
if (entry) {
if (isQObject(qualifiedName) && entry->isComplex())
((ComplexTypeEntry*) entry)->setQObject(true);
}
}
foreach (NamespaceModelItem item, scope->namespaceMap().values()) {
if (scope != item)
fixQObjectForScope(types, item);
}
}
void AbstractMetaBuilder::sortLists()
{
foreach (AbstractMetaClass *cls, m_metaClasses)
cls->sortFunctions();
}
bool AbstractMetaBuilder::build(QIODevice* input)
{
Q_ASSERT(input);
if (!input->isOpen()) {
if (!input->open(QIODevice::ReadOnly))
return false;
}
TypeDatabase* types = TypeDatabase::instance();
QByteArray contents = input->readAll();
input->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..
fixQObjectForScope(types, model_dynamic_cast<NamespaceModelItem>(m_dom));
// Start the generation...
ClassList typeValues = typeMap.values();
qSort(typeValues);
ClassList::iterator it = std::unique(typeValues.begin(), typeValues.end());
typeValues.erase(it, typeValues.end());
ReportHandler::setProgressReference(typeValues);
foreach (ClassModelItem item, typeValues) {
ReportHandler::progress("Generating class model...");
AbstractMetaClass *cls = traverseClass(item);
if (!cls)
continue;
addAbstractMetaClass(cls);
}
ReportHandler::flush();
// We need to know all global enums
QHash<QString, EnumModelItem> enumMap = m_dom->enumMap();
ReportHandler::setProgressReference(enumMap);
foreach (EnumModelItem item, enumMap) {
ReportHandler::progress("Generating enum model...");
AbstractMetaEnum *metaEnum = traverseEnum(item, 0, QSet<QString>());
if (metaEnum) {
if (metaEnum->typeEntry()->generateCode())
m_globalEnums << metaEnum;
}
}
ReportHandler::flush();
QHash<QString, NamespaceModelItem> namespaceMap = m_dom->namespaceMap();
NamespaceList namespaceTypeValues = namespaceMap.values();
qSort(namespaceTypeValues);
NamespaceList::iterator nsit = std::unique(namespaceTypeValues.begin(), namespaceTypeValues.end());
namespaceTypeValues.erase(nsit, namespaceTypeValues.end());
ReportHandler::setProgressReference(namespaceMap);
foreach (NamespaceModelItem item, namespaceTypeValues) {
ReportHandler::progress("Generating namespace model...");
AbstractMetaClass *metaClass = traverseNamespace(item);
if (metaClass)
m_metaClasses << metaClass;
}
ReportHandler::flush();
// Go through all typedefs to see if we have defined any
// specific typedefs to be used as classes.
TypeAliasList typeAliases = m_dom->typeAliases();
ReportHandler::setProgressReference(typeAliases);
foreach (TypeAliasModelItem typeAlias, typeAliases) {
ReportHandler::progress("Resolving typedefs...");
AbstractMetaClass* cls = traverseTypeAlias(typeAlias);
addAbstractMetaClass(cls);
}
ReportHandler::flush();
figureOutEnumValues();
foreach (ClassModelItem item, typeValues)
traverseClassMembers(item);
foreach (NamespaceModelItem item, namespaceTypeValues)
traverseNamespaceMembers(item);
// Global functions
foreach (FunctionModelItem func, m_dom->functions()) {
if (func->accessPolicy() != CodeModel::Public || func->name().startsWith("operator"))
continue;
FunctionTypeEntry* funcEntry = types->findFunctionType(func->name());
if (!funcEntry || !funcEntry->generateCode())
continue;
AbstractMetaFunction* metaFunc = traverseFunction(func);
if (!metaFunc)
continue;
if (!funcEntry->hasSignature(metaFunc->minimalSignature())) {
delete metaFunc;
continue;
}
applyFunctionModifications(metaFunc);
setInclude(funcEntry, func->fileName());
if (metaFunc->typeEntry())
delete metaFunc->typeEntry();
metaFunc->setTypeEntry(funcEntry);
m_globalFunctions << metaFunc;
}
ReportHandler::setProgressReference(m_metaClasses);
foreach (AbstractMetaClass* cls, m_metaClasses) {
ReportHandler::progress("Fixing class inheritance...");
if (!cls->isInterface() && !cls->isNamespace())
setupInheritance(cls);
}
ReportHandler::flush();
ReportHandler::setProgressReference(m_metaClasses);
foreach (AbstractMetaClass* cls, m_metaClasses) {
ReportHandler::progress("Detecting inconsistencies in class model...");
cls->fixFunctions();
if (!cls->typeEntry()) {
ReportHandler::warning(QString("class '%1' does not have an entry in the type system")
.arg(cls->name()));
} else {
bool couldAddDefaultCtors = !cls->isFinalInCpp() && !cls->isInterface() && !cls->isNamespace();
if (couldAddDefaultCtors) {
if (!cls->hasConstructors())
cls->addDefaultConstructor();
if (cls->typeEntry()->isValue() && !cls->isAbstract() && !cls->hasCopyConstructor())
cls->addDefaultCopyConstructor(ancestorHasPrivateCopyConstructor(cls));
}
}
if (cls->isAbstract() && !cls->isInterface())
cls->typeEntry()->setLookupName(cls->typeEntry()->targetLangName() + "$ConcreteWrapper");
}
ReportHandler::flush();
TypeEntryHash allEntries = types->allEntries();
ReportHandler::progress("Detecting inconsistencies in typesystem...");
foreach (QList<TypeEntry*> entries, allEntries) {
foreach (TypeEntry* entry, entries) {
if (entry->isPrimitive())
continue;
if ((entry->isValue() || entry->isObject())
&& !entry->isString()
&& !entry->isChar()
&& !entry->isContainer()
&& !entry->isCustom()
&& !entry->isVariant()
&& !m_metaClasses.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()));
} else if (entry->generateCode() && entry->type() == TypeEntry::FunctionType) {
const FunctionTypeEntry* fte = static_cast<const FunctionTypeEntry*>(entry);
foreach (QString signature, fte->signatures()) {
bool ok = false;
foreach (AbstractMetaFunction* func, m_globalFunctions) {
if (signature == func->minimalSignature()) {
ok = true;
break;
}
}
if (!ok) {
ReportHandler::warning(QString("Global function '%1' is specified in typesystem, but not defined. This could potentially lead to compilation errors.")
.arg(signature));
}
}
} else if (entry->isEnum()) {
const QString name = ((EnumTypeEntry*) entry)->targetLangQualifier();
AbstractMetaClass* cls = m_metaClasses.findClass(name);
bool enumFound = false;
if (cls) {
enumFound = cls->findEnum(entry->targetLangName());
} else { // Global enum
foreach (AbstractMetaEnum* metaEnum, m_enums) {
if (metaEnum->typeEntry() == entry) {
enumFound = true;
break;
}
}
}
if (!enumFound) {
entry->setCodeGeneration(TypeEntry::GenerateNothing);
ReportHandler::warning(QString("enum '%1' is specified in typesystem, but not declared")
.arg(entry->qualifiedCppName()));
}
}
}
}
ReportHandler::flush();
{
FunctionList hashFunctions = m_dom->findFunctions("qHash");
foreach (FunctionModelItem item, hashFunctions)
registerHashFunction(item);
}
{
FunctionList hashFunctions = m_dom->findFunctions("operator<<");
foreach (FunctionModelItem item, hashFunctions)
registerToStringCapability(item);
}
{
FunctionList binaryOperators = 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*")
+ 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, binaryOperators)
traverseOperatorFunction(item);
}
{
FunctionList streamOperators = m_dom->findFunctions("operator<<") + m_dom->findFunctions("operator>>");
foreach (FunctionModelItem item, streamOperators)
traverseStreamOperator(item);
}
figureOutDefaultEnumArguments();
checkFunctionModifications();
// sort all classes topologically
m_metaClasses = classesTopologicalSorted();
foreach (AbstractMetaClass* cls, m_metaClasses) {
// setupEquals(cls);
// setupComparable(cls);
setupClonable(cls);
setupExternalConversion(cls);
// sort all inner classes topologically
if (!cls->typeEntry()->codeGeneration() || cls->innerClasses().size() < 2)
continue;
cls->setInnerClasses(classesTopologicalSorted(cls));
}
dumpLog();
sortLists();
m_currentClass = 0;
// Functions added to the module on the type system.
foreach (AddedFunction addedFunc, types->globalUserFunctions()) {
AbstractMetaFunction* metaFunc = traverseFunction(addedFunc);
metaFunc->setFunctionType(AbstractMetaFunction::NormalFunction);
m_globalFunctions << metaFunc;
}
std::puts("");
return true;
}
void AbstractMetaBuilder::setLogDirectory(const QString& logDir)
{
m_logDirectory = logDir;
if (!m_logDirectory.endsWith(QDir::separator()))
m_logDirectory.append(QDir::separator());
}
void AbstractMetaBuilder::addAbstractMetaClass(AbstractMetaClass *cls)
{
if (!cls)
return;
cls->setOriginalAttributes(cls->attributes());
if (cls->typeEntry()->isContainer()) {
m_templates << cls;
} else {
m_metaClasses << cls;
if (cls->typeEntry()->designatedInterface()) {
AbstractMetaClass* interface = cls->extractInterface();
m_metaClasses << interface;
ReportHandler::debugSparse(QString(" -> interface '%1'").arg(interface->name()));
}
}
}
AbstractMetaClass* AbstractMetaBuilder::traverseNamespace(NamespaceModelItem namespaceItem)
{
QString namespaceName = (!m_namespacePrefix.isEmpty() ? m_namespacePrefix + "::" : QString()) + namespaceItem->name();
NamespaceTypeEntry *type = TypeDatabase::instance()->findNamespaceType(namespaceName);
if (TypeDatabase::instance()->isClassRejected(namespaceName)) {
m_rejectedClasses.insert(namespaceName, GenerationDisabled);
return 0;
}
if (!type) {
ReportHandler::warning(QString("namespace '%1' does not have a type entry").arg(namespaceName));
return 0;
}
AbstractMetaClass* metaClass = createMetaClass();
metaClass->setTypeEntry(type);
*metaClass += AbstractMetaAttributes::Public;
m_currentClass = metaClass;
ReportHandler::debugSparse(QString("namespace '%1.%2'")
.arg(metaClass->package())
.arg(namespaceItem->name()));
traverseEnums(model_dynamic_cast<ScopeModelItem>(namespaceItem), metaClass, namespaceItem->enumsDeclarations());
pushScope(model_dynamic_cast<ScopeModelItem>(namespaceItem));
m_namespacePrefix = currentScope()->qualifiedName().join("::");
ClassList classes = namespaceItem->classes();
foreach (ClassModelItem cls, classes) {
AbstractMetaClass* mjc = traverseClass(cls);
if (mjc) {
metaClass->addInnerClass(mjc);
mjc->setEnclosingClass(metaClass);
addAbstractMetaClass(mjc);
}
}
// Go through all typedefs to see if we have defined any
// specific typedefs to be used as classes.
TypeAliasList typeAliases = namespaceItem->typeAliases();
foreach (TypeAliasModelItem typeAlias, typeAliases) {
AbstractMetaClass* cls = traverseTypeAlias(typeAlias);
if (cls) {
metaClass->addInnerClass(cls);
cls->setEnclosingClass(metaClass);
addAbstractMetaClass(cls);
}
}
// Traverse namespaces recursively
NamespaceList innerNamespaces = namespaceItem->namespaceMap().values();
qSort(innerNamespaces);
NamespaceList::iterator it = std::unique(innerNamespaces.begin(), innerNamespaces.end());
innerNamespaces.erase(it, innerNamespaces.end());
foreach (const NamespaceModelItem &ni, innerNamespaces) {
AbstractMetaClass* mjc = traverseNamespace(ni);
if (mjc) {
metaClass->addInnerClass(mjc);
mjc->setEnclosingClass(metaClass);
addAbstractMetaClass(mjc);
}
}
m_currentClass = 0;
popScope();
m_namespacePrefix = currentScope()->qualifiedName().join("::");
if (!type->include().isValid())
setInclude(type, namespaceItem->fileName());
return metaClass;
}
struct Operator
{
enum Type { Complement, Plus, ShiftRight, ShiftLeft, None };
Operator() : type(None) {}
int calculate(int x)
{
switch (type) {
case Complement: return ~value;
case Plus: return x + value;
case ShiftRight: 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 > -1) {
bool ok;
QString right = str.mid(splitPoint + name.length());
Operator op;
op.value = right.toInt(&ok);
if (!ok && right.length() > 0 && right.at(right.length() - 1).toLower() == QLatin1Char('u'))
op.value = right.left(right.length() - 1).toUInt(&ok, 0);
if (ok) {
op.type = Operator::Type(i);
if (splitPoint > 0)
*s = str.left(splitPoint).trimmed();
else
*s = QString();
return op;
}
}
}
return Operator();
}
int AbstractMetaBuilder::figureOutEnumValue(const QString &stringValue,
int oldValuevalue,
AbstractMetaEnum *metaEnum,
AbstractMetaFunction *metaFunction)
{
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 if (s.length() > 0 && s.at(s.length() - 1).toLower() == QLatin1Char('u'))
v = s.left(s.length() - 1).toUInt(&ok, 0);
else
v = s.toInt(&ok);
if (ok || s.isEmpty()) {
matched = true;
} else if (m_enumValues.contains(s)) {
v = m_enumValues[s]->value();
matched = true;
} else {
if (metaEnum) {
v = findOutValueFromString(s, matched);
if (!matched) {
QString enclosingClass = QString(metaEnum->enclosingClass() ? metaEnum->enclosingClass()->name() + "::" : QString());
ReportHandler::warning("unhandled enum value: " + s + " in "
+ enclosingClass + metaEnum->name()
+ " from header '" + metaEnum->typeEntry()->include().name() + "'");
}
} else {
ReportHandler::warning("unhandled enum value: Unknown enum");
}
}
if (matched)
returnValue |= op.calculate(v);
}
if (!matched) {
QString warn = QString("unmatched enum %1").arg(stringValue);
if (metaFunction) {
warn += QString(" when parsing default value of '%1' in class '%2'")
.arg(metaFunction->name())
.arg(metaFunction->implementingClass()->name());
}
warn += " from header '" + metaEnum->typeEntry()->include().name() + "'";
ReportHandler::warning(warn);
returnValue = oldValuevalue;
}
return returnValue;
}
void AbstractMetaBuilder::figureOutEnumValuesForClass(AbstractMetaClass* metaClass,
QSet<AbstractMetaClass*>* classes)
{
AbstractMetaClass* base = metaClass->baseClass();
if (base && !classes->contains(base))
figureOutEnumValuesForClass(base, classes);
if (classes->contains(metaClass))
return;
AbstractMetaEnumList enums = metaClass->enums();
foreach (AbstractMetaEnum* e, enums) {
if (!e) {
ReportHandler::warning("bad enum in class " + metaClass->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++;
}
}
*classes += metaClass;
}
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_metaClasses)
figureOutEnumValuesForClass(c, &classes);
foreach (AbstractMetaEnum* metaEnum, m_globalEnums) {
AbstractMetaEnumValueList enumValues = metaEnum->values();
int value = 0;
for (int i = 0; i < enumValues.size(); ++i) {
value = figureOutEnumValue(enumValues.at(i)->stringValue(), value, metaEnum);
enumValues.at(i)->setValue(value);
value++;
}
}
}
void AbstractMetaBuilder::figureOutDefaultEnumArguments()
{
foreach (AbstractMetaClass* metaClass, m_metaClasses) {
foreach (AbstractMetaFunction* metaFunction, metaClass->functions()) {
foreach (AbstractMetaArgument *arg, metaFunction->arguments()) {
QString expr = arg->defaultValueExpression();
if (expr.isEmpty())
continue;
if (!metaFunction->replacedDefaultExpression(metaFunction->implementingClass(),
arg->argumentIndex() + 1).isEmpty()) {
continue;
}
arg->setDefaultValueExpression(expr);
}
}
}
}
AbstractMetaEnum* AbstractMetaBuilder::traverseEnum(EnumModelItem enumItem, AbstractMetaClass* enclosing, const QSet<QString> &enumsDeclarations)
{
QString qualifiedName = enumItem->qualifiedName().join("::");
TypeEntry* typeEntry = 0;
if (enumItem->accessPolicy() == CodeModel::Private) {
QStringList names = enumItem->qualifiedName();
QString enumName = names.last();
QString nspace;
if (names.size() > 1)
nspace = QStringList(names.mid(0, names.size() - 1)).join("::");
typeEntry = new EnumTypeEntry(nspace, enumName, 0);
TypeDatabase::instance()->addType(typeEntry);
} else if (!enumItem->isAnonymous()) {
typeEntry = TypeDatabase::instance()->findType(qualifiedName);
} else {
QStringList tmpQualifiedName = enumItem->qualifiedName();
foreach (const EnumeratorModelItem& enumValue, enumItem->enumerators()) {
tmpQualifiedName.removeLast();
tmpQualifiedName << enumValue->name();
qualifiedName = tmpQualifiedName.join("::");
typeEntry = TypeDatabase::instance()->findType(qualifiedName);
if (typeEntry)
break;
}
}
QString enumName = enumItem->name();
QString className;
if (m_currentClass)
className = m_currentClass->typeEntry()->qualifiedCppName();
if (TypeDatabase::instance()->isEnumRejected(className, enumName)) {
if (typeEntry)
typeEntry->setCodeGeneration(TypeEntry::GenerateNothing);
m_rejectedEnums.insert(qualifiedName, GenerationDisabled);
return 0;
}
if (!typeEntry || !typeEntry->isEnum()) {
ReportHandler::warning(QString("enum '%1' does not have a type entry or is not an enum")
.arg(qualifiedName));
m_rejectedEnums.insert(qualifiedName, NotInTypeSystem);
return 0;
}
AbstractMetaEnum* metaEnum = createMetaEnum();
if (enumsDeclarations.contains(qualifiedName)
|| enumsDeclarations.contains(enumName)) {
metaEnum->setHasQEnumsDeclaration(true);
}
metaEnum->setTypeEntry((EnumTypeEntry*) typeEntry);
switch (enumItem->accessPolicy()) {
case CodeModel::Public:
*metaEnum += AbstractMetaAttributes::Public;
break;
case CodeModel::Protected:
*metaEnum += AbstractMetaAttributes::Protected;
break;
case CodeModel::Private:
*metaEnum += AbstractMetaAttributes::Private;
typeEntry->setCodeGeneration(TypeEntry::GenerateNothing);
break;
default:
break;
}
ReportHandler::debugMedium(QString(" - traversing enum %1").arg(metaEnum->fullName()));
foreach (EnumeratorModelItem value, enumItem->enumerators()) {
AbstractMetaEnumValue* metaEnumValue = createMetaEnumValue();
metaEnumValue->setName(value->name());
// Deciding the enum value...
metaEnumValue->setStringValue(value->value());
metaEnum->addEnumValue(metaEnumValue);
ReportHandler::debugFull(" - " + metaEnumValue->name() + " = "
+ metaEnumValue->value());
// Add into global register...
if (enclosing)
m_enumValues[enclosing->name() + "::" + metaEnumValue->name()] = metaEnumValue;
else
m_enumValues[metaEnumValue->name()] = metaEnumValue;
}
m_enums << metaEnum;
if (!metaEnum->typeEntry()->include().isValid())
setInclude(metaEnum->typeEntry(), enumItem->fileName());