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typesystem.cpp
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typesystem.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 <[email protected]>
*
* 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 "typesystem.h"
#include "typesystem_p.h"
#include "typedatabase.h"
#include "reporthandler.h"
#include <QtXml>
static QString strings_Object = QLatin1String("Object");
static QString strings_String = QLatin1String("String");
static QString strings_char = QLatin1String("char");
static QString strings_jchar = QLatin1String("jchar");
static QString strings_jobject = QLatin1String("jobject");
static QList<CustomConversion*> customConversionsForReview = QList<CustomConversion*>();
Handler::Handler(TypeDatabase* database, bool generate)
: m_database(database), m_generate(generate ? TypeEntry::GenerateAll : TypeEntry::GenerateForSubclass)
{
m_currentEnum = 0;
m_current = 0;
m_currentDroppedEntry = 0;
m_currentDroppedEntryDepth = 0;
m_ignoreDepth = 0;
tagNames["rejection"] = StackElement::Rejection;
tagNames["custom-type"] = StackElement::CustomTypeEntry;
tagNames["primitive-type"] = StackElement::PrimitiveTypeEntry;
tagNames["container-type"] = StackElement::ContainerTypeEntry;
tagNames["object-type"] = StackElement::ObjectTypeEntry;
tagNames["value-type"] = StackElement::ValueTypeEntry;
tagNames["interface-type"] = StackElement::InterfaceTypeEntry;
tagNames["namespace-type"] = StackElement::NamespaceTypeEntry;
tagNames["enum-type"] = StackElement::EnumTypeEntry;
tagNames["function"] = StackElement::FunctionTypeEntry;
tagNames["extra-includes"] = StackElement::ExtraIncludes;
tagNames["include"] = StackElement::Include;
tagNames["inject-code"] = StackElement::InjectCode;
tagNames["modify-function"] = StackElement::ModifyFunction;
tagNames["modify-field"] = StackElement::ModifyField;
tagNames["access"] = StackElement::Access;
tagNames["remove"] = StackElement::Removal;
tagNames["rename"] = StackElement::Rename;
tagNames["typesystem"] = StackElement::Root;
tagNames["custom-constructor"] = StackElement::CustomMetaConstructor;
tagNames["custom-destructor"] = StackElement::CustomMetaDestructor;
tagNames["argument-map"] = StackElement::ArgumentMap;
tagNames["suppress-warning"] = StackElement::SuppressedWarning;
tagNames["load-typesystem"] = StackElement::LoadTypesystem;
tagNames["define-ownership"] = StackElement::DefineOwnership;
tagNames["replace-default-expression"] = StackElement::ReplaceDefaultExpression;
tagNames["reject-enum-value"] = StackElement::RejectEnumValue;
tagNames["replace-type"] = StackElement::ReplaceType;
tagNames["conversion-rule"] = StackElement::ConversionRule;
tagNames["native-to-target"] = StackElement::NativeToTarget;
tagNames["target-to-native"] = StackElement::TargetToNative;
tagNames["add-conversion"] = StackElement::AddConversion;
tagNames["modify-argument"] = StackElement::ModifyArgument;
tagNames["remove-argument"] = StackElement::RemoveArgument;
tagNames["remove-default-expression"] = StackElement::RemoveDefaultExpression;
tagNames["template"] = StackElement::Template;
tagNames["insert-template"] = StackElement::TemplateInstanceEnum;
tagNames["replace"] = StackElement::Replace;
tagNames["no-null-pointer"] = StackElement::NoNullPointers;
tagNames["reference-count"] = StackElement::ReferenceCount;
tagNames["parent"] = StackElement::ParentOwner;
tagNames["inject-documentation"] = StackElement::InjectDocumentation;
tagNames["modify-documentation"] = StackElement::ModifyDocumentation;
tagNames["add-function"] = StackElement::AddFunction;
}
bool Handler::error(const QXmlParseException &e)
{
qWarning("Error: line=%d, column=%d, message=%s\n",
e.lineNumber(), e.columnNumber(), qPrintable(e.message()));
return false;
}
bool Handler::fatalError(const QXmlParseException &e)
{
qWarning("Fatal error: line=%d, column=%d, message=%s\n",
e.lineNumber(), e.columnNumber(), qPrintable(e.message()));
return false;
}
bool Handler::warning(const QXmlParseException &e)
{
qWarning("Warning: line=%d, column=%d, message=%s\n",
e.lineNumber(), e.columnNumber(), qPrintable(e.message()));
return false;
}
void Handler::fetchAttributeValues(const QString &name, const QXmlAttributes &atts,
QHash<QString, QString> *acceptedAttributes)
{
Q_ASSERT(acceptedAttributes);
for (int i = 0; i < atts.length(); ++i) {
QString key = atts.localName(i).toLower();
QString val = atts.value(i);
if (!acceptedAttributes->contains(key))
ReportHandler::warning(QString("Unknown attribute for '%1': '%2'").arg(name).arg(key));
else
(*acceptedAttributes)[key] = val;
}
}
bool Handler::endElement(const QString &, const QString &localName, const QString &)
{
if (m_ignoreDepth) {
--m_ignoreDepth;
return true;
}
if (m_currentDroppedEntry) {
if (m_currentDroppedEntryDepth == 1) {
m_current = m_currentDroppedEntry->parent;
delete m_currentDroppedEntry;
m_currentDroppedEntry = 0;
m_currentDroppedEntryDepth = 0;
} else {
++m_currentDroppedEntryDepth;
}
return true;
}
QString tagName = localName.toLower();
if (tagName == "import-file")
return true;
if (!m_current)
return true;
switch (m_current->type) {
case StackElement::Root:
if (m_generate == TypeEntry::GenerateAll) {
TypeDatabase::instance()->addGlobalUserFunctions(m_contextStack.top()->addedFunctions);
TypeDatabase::instance()->addGlobalUserFunctionModifications(m_contextStack.top()->functionMods);
foreach (CustomConversion* customConversion, customConversionsForReview) {
foreach (CustomConversion::TargetToNativeConversion* toNative, customConversion->targetToNativeConversions())
toNative->setSourceType(m_database->findType(toNative->sourceTypeName()));
}
}
break;
case StackElement::ObjectTypeEntry:
case StackElement::ValueTypeEntry:
case StackElement::InterfaceTypeEntry:
case StackElement::NamespaceTypeEntry: {
ComplexTypeEntry *centry = static_cast<ComplexTypeEntry *>(m_current->entry);
centry->setAddedFunctions(m_contextStack.top()->addedFunctions);
centry->setFunctionModifications(m_contextStack.top()->functionMods);
centry->setFieldModifications(m_contextStack.top()->fieldMods);
centry->setCodeSnips(m_contextStack.top()->codeSnips);
centry->setDocModification(m_contextStack.top()->docModifications);
if (centry->designatedInterface()) {
centry->designatedInterface()->setCodeSnips(m_contextStack.top()->codeSnips);
centry->designatedInterface()->setFunctionModifications(m_contextStack.top()->functionMods);
}
}
break;
case StackElement::NativeToTarget:
case StackElement::AddConversion: {
CustomConversion* customConversion = static_cast<TypeEntry*>(m_current->entry)->customConversion();
if (!customConversion) {
m_error = "CustomConversion object is missing.";
return false;
}
QString code = m_contextStack.top()->codeSnips.takeLast().code();
if (m_current->type == StackElement::AddConversion) {
if (customConversion->targetToNativeConversions().isEmpty()) {
m_error = "CustomConversion's target to native conversions missing.";
return false;
}
customConversion->targetToNativeConversions().last()->setConversion(code);
} else {
customConversion->setNativeToTargetConversion(code);
}
}
break;
case StackElement::CustomMetaConstructor: {
m_current->entry->setCustomConstructor(*m_current->value.customFunction);
delete m_current->value.customFunction;
}
break;
case StackElement::CustomMetaDestructor: {
m_current->entry->setCustomDestructor(*m_current->value.customFunction);
delete m_current->value.customFunction;
}
break;
case StackElement::EnumTypeEntry:
m_current->entry->setDocModification(m_contextStack.top()->docModifications);
m_contextStack.top()->docModifications = DocModificationList();
m_currentEnum = 0;
break;
case StackElement::Template:
m_database->addTemplate(m_current->value.templateEntry);
break;
case StackElement::TemplateInstanceEnum:
switch (m_current->parent->type) {
case StackElement::InjectCode:
if (m_current->parent->parent->type == StackElement::Root) {
CodeSnipList snips = m_current->parent->entry->codeSnips();
CodeSnip snip = snips.takeLast();
snip.addTemplateInstance(m_current->value.templateInstance);
snips.append(snip);
m_current->parent->entry->setCodeSnips(snips);
break;
}
case StackElement::NativeToTarget:
case StackElement::AddConversion:
m_contextStack.top()->codeSnips.last().addTemplateInstance(m_current->value.templateInstance);
break;
case StackElement::Template:
m_current->parent->value.templateEntry->addTemplateInstance(m_current->value.templateInstance);
break;
case StackElement::CustomMetaConstructor:
case StackElement::CustomMetaDestructor:
m_current->parent->value.customFunction->addTemplateInstance(m_current->value.templateInstance);
break;
case StackElement::ConversionRule:
m_contextStack.top()->functionMods.last().argument_mods.last().conversion_rules.last().addTemplateInstance(m_current->value.templateInstance);
break;
case StackElement::InjectCodeInFunction:
m_contextStack.top()->functionMods.last().snips.last().addTemplateInstance(m_current->value.templateInstance);
break;
default:
break; // nada
};
break;
default:
break;
}
if (m_current->type == StackElement::Root
|| m_current->type == StackElement::NamespaceTypeEntry
|| m_current->type == StackElement::InterfaceTypeEntry
|| m_current->type == StackElement::ObjectTypeEntry
|| m_current->type == StackElement::ValueTypeEntry
|| m_current->type == StackElement::PrimitiveTypeEntry) {
StackElementContext* context = m_contextStack.pop();
delete context;
}
StackElement *child = m_current;
m_current = m_current->parent;
delete(child);
return true;
}
bool Handler::characters(const QString &ch)
{
if (m_currentDroppedEntry || m_ignoreDepth)
return true;
if (m_current->type == StackElement::Template) {
m_current->value.templateEntry->addCode(ch);
return true;
}
if (m_current->type == StackElement::CustomMetaConstructor || m_current->type == StackElement::CustomMetaDestructor) {
m_current->value.customFunction->addCode(ch);
return true;
}
if (m_current->type == StackElement::ConversionRule
&& m_current->parent->type == StackElement::ModifyArgument) {
m_contextStack.top()->functionMods.last().argument_mods.last().conversion_rules.last().addCode(ch);
return true;
}
if (m_current->type == StackElement::NativeToTarget || m_current->type == StackElement::AddConversion) {
m_contextStack.top()->codeSnips.last().addCode(ch);
return true;
}
if (m_current->parent) {
if ((m_current->type & StackElement::CodeSnipMask)) {
CodeSnipList snips;
switch (m_current->parent->type) {
case StackElement::Root:
snips = m_current->parent->entry->codeSnips();
snips.last().addCode(ch);
m_current->parent->entry->setCodeSnips(snips);
break;
case StackElement::ModifyFunction:
case StackElement::AddFunction:
m_contextStack.top()->functionMods.last().snips.last().addCode(ch);
m_contextStack.top()->functionMods.last().modifiers |= FunctionModification::CodeInjection;
break;
case StackElement::NamespaceTypeEntry:
case StackElement::ObjectTypeEntry:
case StackElement::ValueTypeEntry:
case StackElement::InterfaceTypeEntry:
m_contextStack.top()->codeSnips.last().addCode(ch);
break;
default:
Q_ASSERT(false);
};
return true;
}
}
if (m_current->type & StackElement::DocumentationMask)
m_contextStack.top()->docModifications.last().setCode(ch);
return true;
}
bool Handler::importFileElement(const QXmlAttributes &atts)
{
QString fileName = atts.value("name");
if (fileName.isEmpty()) {
m_error = "Required attribute 'name' missing for include-file tag.";
return false;
}
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
file.setFileName(":/trolltech/generator/" + fileName);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
m_error = QString("Could not open file: '%1'").arg(fileName);
return false;
}
}
QString quoteFrom = atts.value("quote-after-line");
bool foundFromOk = quoteFrom.isEmpty();
bool from = quoteFrom.isEmpty();
QString quoteTo = atts.value("quote-before-line");
bool foundToOk = quoteTo.isEmpty();
bool to = true;
QTextStream in(&file);
while (!in.atEnd()) {
QString line = in.readLine();
if (from && to && line.contains(quoteTo)) {
to = false;
foundToOk = true;
break;
}
if (from && to)
characters(line + "\n");
if (!from && line.contains(quoteFrom)) {
from = true;
foundFromOk = true;
}
}
if (!foundFromOk || !foundToOk) {
QString fromError = QString("Could not find quote-after-line='%1' in file '%2'.").arg(quoteFrom).arg(fileName);
QString toError = QString("Could not find quote-before-line='%1' in file '%2'.").arg(quoteTo).arg(fileName);
if (!foundToOk)
m_error = toError;
if (!foundFromOk)
m_error = fromError;
if (!foundFromOk && !foundToOk)
m_error = fromError + " " + toError;
return false;
}
return true;
}
bool Handler::convertBoolean(const QString &_value, const QString &attributeName, bool defaultValue)
{
QString value = _value.toLower();
if (value == "true" || value == "yes")
return true;
else if (value == "false" || value == "no")
return false;
else {
QString warn = QString("Boolean value '%1' not supported in attribute '%2'. Use 'yes' or 'no'. Defaulting to '%3'.")
.arg(value).arg(attributeName).arg(defaultValue ? "yes" : "no");
ReportHandler::warning(warn);
return defaultValue;
}
}
static bool convertRemovalAttribute(const QString& removalAttribute, Modification& mod, QString& errorMsg)
{
QString remove = removalAttribute.toLower();
if (!remove.isEmpty()) {
if (remove == QLatin1String("all")) {
mod.removal = TypeSystem::All;
} else if (remove == QLatin1String("target")) {
mod.removal = TypeSystem::TargetLangAndNativeCode;
} else {
errorMsg = QString::fromLatin1("Bad removal type '%1'").arg(remove);
return false;
}
}
return true;
}
static void getNamePrefixRecursive(StackElement* element, QStringList& names)
{
if (!element->parent || !element->parent->entry)
return;
getNamePrefixRecursive(element->parent, names);
names << element->parent->entry->name();
}
static QString getNamePrefix(StackElement* element)
{
QStringList names;
getNamePrefixRecursive(element, names);
return names.join(".");
}
// Returns empty string if there's no error.
static QString checkSignatureError(const QString& signature, const QString& tag)
{
QString funcName = signature.left(signature.indexOf('(')).trimmed();
static QRegExp whiteSpace("\\s");
if (!funcName.startsWith("operator ") && funcName.contains(whiteSpace)) {
return QString("Error in <%1> tag signature attribute '%2'.\n"
"White spaces aren't allowed in function names, "
"and return types should not be part of the signature.")
.arg(tag)
.arg(signature);
}
return QString();
}
bool Handler::startElement(const QString &, const QString &n,
const QString &, const QXmlAttributes &atts)
{
if (m_ignoreDepth) {
++m_ignoreDepth;
return true;
}
if (!m_defaultPackage.isEmpty() && atts.index("since") != -1) {
TypeDatabase* td = TypeDatabase::instance();
if (!td->checkApiVersion(m_defaultPackage, atts.value("since").toAscii())) {
++m_ignoreDepth;
return true;
}
}
QString tagName = n.toLower();
if (tagName == "import-file")
return importFileElement(atts);
if (!tagNames.contains(tagName)) {
m_error = QString("Unknown tag name: '%1'").arg(tagName);
return false;
}
if (m_currentDroppedEntry) {
++m_currentDroppedEntryDepth;
return true;
}
StackElement* element = new StackElement(m_current);
element->type = tagNames[tagName];
if (element->type == StackElement::Root && m_generate == TypeEntry::GenerateAll)
customConversionsForReview.clear();
if (element->type == StackElement::Root
|| element->type == StackElement::NamespaceTypeEntry
|| element->type == StackElement::InterfaceTypeEntry
|| element->type == StackElement::ObjectTypeEntry
|| element->type == StackElement::ValueTypeEntry
|| element->type == StackElement::PrimitiveTypeEntry) {
m_contextStack.push(new StackElementContext());
}
if (element->type & StackElement::TypeEntryMask) {
QHash<QString, QString> attributes;
attributes["name"] = QString();
attributes["since"] = QString("0");
attributes["revision"] = QString("0");
switch (element->type) {
case StackElement::PrimitiveTypeEntry:
attributes["target-lang-name"] = QString();
attributes["target-lang-api-name"] = QString();
attributes["preferred-conversion"] = "yes";
attributes["preferred-target-lang-type"] = "yes";
attributes["default-constructor"] = QString();
break;
case StackElement::ContainerTypeEntry:
attributes["type"] = QString();
break;
case StackElement::EnumTypeEntry:
attributes["flags"] = QString();
attributes["flags-revision"] = QString();
attributes["upper-bound"] = QString();
attributes["lower-bound"] = QString();
attributes["force-integer"] = "no";
attributes["extensible"] = "no";
attributes["identified-by-value"] = QString();
break;
case StackElement::ValueTypeEntry:
attributes["default-constructor"] = QString();
// fall throooough
case StackElement::ObjectTypeEntry:
attributes["force-abstract"] = QString("no");
attributes["deprecated"] = QString("no");
attributes["hash-function"] = QString("");
attributes["stream"] = QString("no");
// fall throooough
case StackElement::InterfaceTypeEntry:
attributes["default-superclass"] = m_defaultSuperclass;
attributes["polymorphic-id-expression"] = QString();
attributes["delete-in-main-thread"] = QString("no");
attributes["held-type"] = QString();
attributes["copyable"] = QString();
// fall through
case StackElement::NamespaceTypeEntry:
attributes["target-lang-name"] = QString();
attributes["package"] = m_defaultPackage;
attributes["expense-cost"] = "1";
attributes["expense-limit"] = "none";
attributes["polymorphic-base"] = QString("no");
attributes["generate"] = QString("yes");
attributes["target-type"] = QString();
attributes["generic-class"] = QString("no");
break;
case StackElement::FunctionTypeEntry:
attributes["signature"] = QString();
attributes["rename"] = QString();
break;
default:
{ } // nada
};
fetchAttributeValues(tagName, atts, &attributes);
QString name = attributes["name"];
double since = attributes["since"].toDouble();
if (m_database->hasDroppedTypeEntries()) {
QString identifier = getNamePrefix(element) + '.';
identifier += (element->type == StackElement::FunctionTypeEntry ? attributes["signature"] : name);
if (m_database->shouldDropTypeEntry(identifier)) {
m_currentDroppedEntry = element;
m_currentDroppedEntryDepth = 1;
ReportHandler::debugSparse(QString("Type system entry '%1' was intentionally dropped from generation.").arg(identifier));
return true;
}
}
// The top level tag 'function' has only the 'signature' tag
// and we should extract the 'name' value from it.
if (element->type == StackElement::FunctionTypeEntry) {
QString signature = attributes["signature"];
name = signature.left(signature.indexOf('(')).trimmed();
QString errorString = checkSignatureError(signature, "function");
if (!errorString.isEmpty()) {
m_error = errorString;
return false;
}
QString rename = attributes["rename"];
if (!rename.isEmpty()) {
static QRegExp functionNameRegExp("^[a-zA-Z_][a-zA-Z0-9_]*$");
if (!functionNameRegExp.exactMatch(rename)) {
m_error = "can not rename '" + signature + "', '" + rename + "' is not a valid function name";
return false;
}
FunctionModification mod(since);
mod.signature = signature;
mod.renamedToName = attributes["rename"];
mod.modifiers |= Modification::Rename;
m_contextStack.top()->functionMods << mod;
}
}
// We need to be able to have duplicate primitive type entries,
// or it's not possible to cover all primitive target language
// types (which we need to do in order to support fake meta objects)
if (element->type != StackElement::PrimitiveTypeEntry
&& element->type != StackElement::FunctionTypeEntry) {
TypeEntry *tmp = m_database->findType(name);
if (tmp)
ReportHandler::warning(QString("Duplicate type entry: '%1'").arg(name));
}
if (element->type == StackElement::EnumTypeEntry) {
if (name.isEmpty()) {
name = attributes["identified-by-value"];
} else if (!attributes["identified-by-value"].isEmpty()) {
m_error = "can't specify both 'name' and 'identified-by-value' attributes";
return false;
}
}
// Fix type entry name using nesting information.
if (element->type & StackElement::TypeEntryMask
&& element->parent && element->parent->type != StackElement::Root) {
name = element->parent->entry->name() + "::" + name;
}
if (name.isEmpty()) {
m_error = "no 'name' attribute specified";
return false;
}
switch (element->type) {
case StackElement::CustomTypeEntry:
element->entry = new TypeEntry(name, TypeEntry::CustomType, since);
break;
case StackElement::PrimitiveTypeEntry: {
QString targetLangName = attributes["target-lang-name"];
QString targetLangApiName = attributes["target-lang-api-name"];
QString preferredConversion = attributes["preferred-conversion"].toLower();
QString preferredTargetLangType = attributes["preferred-target-lang-type"].toLower();
QString defaultConstructor = attributes["default-constructor"];
if (targetLangName.isEmpty())
targetLangName = name;
if (targetLangApiName.isEmpty())
targetLangApiName = name;
PrimitiveTypeEntry *type = new PrimitiveTypeEntry(name, since);
type->setCodeGeneration(m_generate);
type->setTargetLangName(targetLangName);
type->setTargetLangApiName(targetLangApiName);
type->setTargetLangPackage(m_defaultPackage);
type->setDefaultConstructor(defaultConstructor);
bool preferred;
preferred = convertBoolean(preferredConversion, "preferred-conversion", true);
type->setPreferredConversion(preferred);
preferred = convertBoolean(preferredTargetLangType,
"preferred-target-lang-type", true);
type->setPreferredTargetLangType(preferred);
element->entry = type;
}
break;
case StackElement::ContainerTypeEntry:
{
QString typeName = attributes["type"];
ContainerTypeEntry::Type containerType =
ContainerTypeEntry::containerTypeFromString(typeName);
if (typeName.isEmpty()) {
m_error = "no 'type' attribute specified";
return false;
} else if (containerType == ContainerTypeEntry::NoContainer) {
m_error = "there is no container of type " + containerType;
return false;
}
ContainerTypeEntry *type = new ContainerTypeEntry(name, containerType, since);
type->setCodeGeneration(m_generate);
element->entry = type;
}
break;
case StackElement::EnumTypeEntry: {
QStringList names = name.split(QLatin1String("::"));
if (names.size() == 1)
m_currentEnum = new EnumTypeEntry(QString(), name, since);
else
m_currentEnum =
new EnumTypeEntry(QStringList(names.mid(0, names.size() - 1)).join("::"),
names.last(), since);
m_currentEnum->setAnonymous(!attributes["identified-by-value"].isEmpty());
element->entry = m_currentEnum;
m_currentEnum->setCodeGeneration(m_generate);
m_currentEnum->setTargetLangPackage(m_defaultPackage);
m_currentEnum->setUpperBound(attributes["upper-bound"]);
m_currentEnum->setLowerBound(attributes["lower-bound"]);
m_currentEnum->setForceInteger(convertBoolean(attributes["force-integer"], "force-integer", false));
m_currentEnum->setExtensible(convertBoolean(attributes["extensible"], "extensible", false));
// put in the flags parallel...
QString flagName = attributes["flags"];
if (!flagName.isEmpty()) {
FlagsTypeEntry *ftype = new FlagsTypeEntry("QFlags<" + name + ">", since);
ftype->setOriginator(m_currentEnum);
// Try to get the guess the qualified flag name
if (!flagName.contains("::") && names.count() > 1) {
QStringList cpy(names);
cpy.removeLast();
cpy.append(flagName);
flagName = cpy.join("::");
}
ftype->setOriginalName(flagName);
ftype->setCodeGeneration(m_generate);
QString n = ftype->originalName();
QStringList lst = n.split("::");
if (QStringList(lst.mid(0, lst.size() - 1)).join("::") != m_currentEnum->targetLangQualifier()) {
ReportHandler::warning(QString("enum %1 and flags %2 differ in qualifiers")
.arg(m_currentEnum->targetLangQualifier())
.arg(lst.at(0)));
}
ftype->setFlagsName(lst.last());
m_currentEnum->setFlags(ftype);
m_database->addFlagsType(ftype);
m_database->addType(ftype);
QString revision = attributes["flags-revision"].isEmpty() ? attributes["revision"] : attributes["flags-revision"];
setTypeRevision(ftype, revision.toInt());
}
}
break;
case StackElement::InterfaceTypeEntry: {
ObjectTypeEntry *otype = new ObjectTypeEntry(name, since);
QString targetLangName = attributes["target-lang-name"];
if (targetLangName.isEmpty())
targetLangName = name;
InterfaceTypeEntry *itype =
new InterfaceTypeEntry(InterfaceTypeEntry::interfaceName(targetLangName), since);
if (!convertBoolean(attributes["generate"], "generate", true))
itype->setCodeGeneration(TypeEntry::GenerateForSubclass);
else
itype->setCodeGeneration(m_generate);
otype->setDesignatedInterface(itype);
itype->setOrigin(otype);
element->entry = otype;
}
// fall through
case StackElement::ValueTypeEntry: {
if (!element->entry) {
ValueTypeEntry* typeEntry = new ValueTypeEntry(name, since);
QString defaultConstructor = attributes["default-constructor"];
if (!defaultConstructor.isEmpty())
typeEntry->setDefaultConstructor(defaultConstructor);
element->entry = typeEntry;
}
// fall through
case StackElement::NamespaceTypeEntry:
if (!element->entry)
element->entry = new NamespaceTypeEntry(name, since);
// fall through
case StackElement::ObjectTypeEntry:
if (!element->entry)
element->entry = new ObjectTypeEntry(name, since);
element->entry->setStream(attributes["stream"] == QString("yes"));
ComplexTypeEntry *ctype = static_cast<ComplexTypeEntry *>(element->entry);
ctype->setTargetLangPackage(attributes["package"]);
ctype->setDefaultSuperclass(attributes["default-superclass"]);
ctype->setGenericClass(convertBoolean(attributes["generic-class"], "generic-class", false));
if (!convertBoolean(attributes["generate"], "generate", true))
element->entry->setCodeGeneration(TypeEntry::GenerateForSubclass);
else
element->entry->setCodeGeneration(m_generate);
QString targetLangName = attributes["target-lang-name"];
if (!targetLangName.isEmpty())
ctype->setTargetLangName(targetLangName);
// The expense policy
QString limit = attributes["expense-limit"];
if (!limit.isEmpty() && limit != "none") {
ExpensePolicy ep;
ep.limit = limit.toInt();
ep.cost = attributes["expense-cost"];
ctype->setExpensePolicy(ep);
}
ctype->setIsPolymorphicBase(convertBoolean(attributes["polymorphic-base"], "polymorphic-base", false));
ctype->setPolymorphicIdValue(attributes["polymorphic-id-expression"]);
//Copyable
if (attributes["copyable"].isEmpty())
ctype->setCopyable(ComplexTypeEntry::Unknown);
else {
if (convertBoolean(attributes["copyable"], "copyable", false))
ctype->setCopyable(ComplexTypeEntry::CopyableSet);
else
ctype->setCopyable(ComplexTypeEntry::NonCopyableSet);
}
if (element->type == StackElement::ObjectTypeEntry || element->type == StackElement::ValueTypeEntry)
ctype->setHashFunction(attributes["hash-function"]);
ctype->setHeldType(attributes["held-type"]);
if (element->type == StackElement::ObjectTypeEntry
|| element->type == StackElement::ValueTypeEntry) {
if (convertBoolean(attributes["force-abstract"], "force-abstract", false))
ctype->setTypeFlags(ctype->typeFlags() | ComplexTypeEntry::ForceAbstract);
if (convertBoolean(attributes["deprecated"], "deprecated", false))
ctype->setTypeFlags(ctype->typeFlags() | ComplexTypeEntry::Deprecated);
}
if (element->type == StackElement::InterfaceTypeEntry
|| element->type == StackElement::ValueTypeEntry
|| element->type == StackElement::ObjectTypeEntry) {
if (convertBoolean(attributes["delete-in-main-thread"], "delete-in-main-thread", false))
ctype->setTypeFlags(ctype->typeFlags() | ComplexTypeEntry::DeleteInMainThread);
}
QString targetType = attributes["target-type"];
if (!targetType.isEmpty() && element->entry->isComplex())
static_cast<ComplexTypeEntry *>(element->entry)->setTargetType(targetType);
// ctype->setInclude(Include(Include::IncludePath, ctype->name()));
ctype = ctype->designatedInterface();
if (ctype)
ctype->setTargetLangPackage(attributes["package"]);
}
break;
case StackElement::FunctionTypeEntry: {
QString signature = attributes["signature"];
signature = TypeDatabase::normalizedSignature(signature.toLatin1().constData());
element->entry = m_database->findType(name);
if (element->entry) {
if (element->entry->type() == TypeEntry::FunctionType) {
reinterpret_cast<FunctionTypeEntry*>(element->entry)->addSignature(signature);
} else {
m_error = QString("%1 expected to be a function, but isn't! Maybe it was already declared as a class or something else.").arg(name);
return false;
}
} else {
element->entry = new FunctionTypeEntry(name, signature, since);
element->entry->setCodeGeneration(m_generate);
}
}
break;
default:
Q_ASSERT(false);
};
if (element->entry) {
m_database->addType(element->entry);
setTypeRevision(element->entry, attributes["revision"].toInt());
} else {
ReportHandler::warning(QString("Type: %1 was rejected by typesystem").arg(name));
}
} else if (element->type == StackElement::InjectDocumentation) {
// check the XML tag attributes
QHash<QString, QString> attributes;
attributes["mode"] = "replace";
attributes["format"] = "native";
attributes["since"] = QString("0");
fetchAttributeValues(tagName, atts, &attributes);
double since = attributes["since"].toDouble();
const int validParent = StackElement::TypeEntryMask
| StackElement::ModifyFunction
| StackElement::ModifyField;
if (m_current->parent && m_current->parent->type & validParent) {
QString modeName = attributes["mode"];
DocModification::Mode mode;
if (modeName == "append") {
mode = DocModification::Append;
} else if (modeName == "prepend") {
mode = DocModification::Prepend;
} else if (modeName == "replace") {
mode = DocModification::Replace;
} else {
m_error = "Unknow documentation injection mode: " + modeName;
return false;
}
static QHash<QString, TypeSystem::Language> languageNames;
if (languageNames.isEmpty()) {
languageNames["target"] = TypeSystem::TargetLangCode;
languageNames["native"] = TypeSystem::NativeCode;
}
QString format = attributes["format"].toLower();
TypeSystem::Language lang = languageNames.value(format, TypeSystem::NoLanguage);
if (lang == TypeSystem::NoLanguage) {
m_error = QString("unsupported class attribute: '%1'").arg(format);
return false;
}
QString signature = m_current->type & StackElement::TypeEntryMask ? QString() : m_currentSignature;
DocModification mod(mode, signature, since);
mod.format = lang;
m_contextStack.top()->docModifications << mod;
} else {
m_error = "inject-documentation must be inside modify-function, "
"modify-field or other tags that creates a type";
return false;
}
} else if (element->type == StackElement::ModifyDocumentation) {
// check the XML tag attributes
QHash<QString, QString> attributes;
attributes["xpath"] = QString();
attributes["since"] = QString("0");
fetchAttributeValues(tagName, atts, &attributes);
double since = attributes["since"].toDouble();
const int validParent = StackElement::TypeEntryMask
| StackElement::ModifyFunction
| StackElement::ModifyField;
if (m_current->parent && m_current->parent->type & validParent) {
QString signature = (m_current->type & StackElement::TypeEntryMask) ? QString() : m_currentSignature;
m_contextStack.top()->docModifications << DocModification(attributes["xpath"], signature, since);
} else {
m_error = "modify-documentation must be inside modify-function, "
"modify-field or other tags that creates a type";
return false;
}
} else if (element->type != StackElement::None) {
bool topLevel = element->type == StackElement::Root
|| element->type == StackElement::SuppressedWarning
|| element->type == StackElement::Rejection
|| element->type == StackElement::LoadTypesystem
|| element->type == StackElement::InjectCode
|| element->type == StackElement::ExtraIncludes
|| element->type == StackElement::ConversionRule
|| element->type == StackElement::AddFunction
|| element->type == StackElement::Template;
if (!topLevel && m_current->type == StackElement::Root) {
m_error = QString("Tag requires parent: '%1'").arg(tagName);
return false;
}
StackElement topElement = !m_current ? StackElement(0) : *m_current;
element->entry = topElement.entry;
QHash<QString, QString> attributes;
attributes["since"] = QString("0");
switch (element->type) {
case StackElement::Root:
attributes["package"] = QString();
attributes["default-superclass"] = QString();
break;
case StackElement::LoadTypesystem:
attributes["name"] = QString();
attributes["generate"] = "yes";
break;
case StackElement::NoNullPointers:
attributes["default-value"] = QString();
break;
case StackElement::SuppressedWarning:
attributes["text"] = QString();
break;
case StackElement::ReplaceDefaultExpression:
attributes["with"] = QString();
break;
case StackElement::DefineOwnership:
attributes["class"] = "target";
attributes["owner"] = "";
break;
case StackElement::AddFunction:
attributes["signature"] = QString();
attributes["return-type"] = QString("void");
attributes["access"] = QString("public");
attributes["static"] = QString("no");
break;
case StackElement::ModifyFunction:
attributes["signature"] = QString();
attributes["access"] = QString();
attributes["remove"] = QString();
attributes["rename"] = QString();
attributes["deprecated"] = QString("no");
attributes["associated-to"] = QString();
attributes["virtual-slot"] = QString("no");
attributes["thread"] = QString("no");
attributes["allow-thread"] = QString("no");
break;
case StackElement::ModifyArgument:
attributes["index"] = QString();