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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef TYPESYSTEMPARSER_H
#define TYPESYSTEMPARSER_H
#include "typesystem.h"
#include "containertypeentry.h"
#include "typedatabase.h"
#include "typedatabase_p.h"
#include "typesystem_typedefs.h"
#include "codesnip.h"
#include <QtCore/QStack>
#include <QtCore/QHash>
#include <QtCore/QScopedPointer>
#include <memory>
#include <optional>
QT_FORWARD_DECLARE_CLASS(QVersionNumber)
QT_FORWARD_DECLARE_CLASS(QXmlStreamAttributes)
QT_FORWARD_DECLARE_CLASS(QXmlStreamReader)
class ConditionalStreamReader;
class TypeSystemEntityResolver;
class TypeDatabase;
class FlagsTypeEntry;
class TypeSystemTypeEntry;
class ValueTypeEntry;
class EnumTypeEntry;
enum class ParserState;
enum class StackElement {
None,
// Type tags
ObjectTypeEntry,
FirstTypeEntry = ObjectTypeEntry,
ValueTypeEntry,
InterfaceTypeEntry,
NamespaceTypeEntry,
LastComplexTypeEntry = NamespaceTypeEntry,
// Non-complex type tags
PrimitiveTypeEntry,
EnumTypeEntry,
ContainerTypeEntry,
FunctionTypeEntry,
CustomTypeEntry,
SmartPointerTypeEntry,
TypedefTypeEntry,
LastTypeEntry = TypedefTypeEntry,
// Documentation tags
InjectDocumentation,
FirstDocumentation = InjectDocumentation,
ModifyDocumentation,
LastDocumentation = ModifyDocumentation,
// Simple tags
ExtraIncludes,
Include,
ModifyFunction,
ModifyField,
Root,
SuppressedWarning,
Rejection,
LoadTypesystem,
RejectEnumValue,
Template,
InsertTemplate,
Replace,
AddFunction,
AddPyMethodDef,
DeclareFunction,
NativeToTarget,
TargetToNative,
AddConversion,
SystemInclude,
Property,
// Code snip tags
InjectCode,
// Function modifier tags
Rename, // (modify-argument)
ModifyArgument,
Thread,
// Argument modifier tags
ConversionRule,
ReplaceType,
ReplaceDefaultExpression,
RemoveArgument,
DefineOwnership,
RemoveDefaultExpression,
NoNullPointers,
ReferenceCount,
ParentOwner,
Array,
ArgumentModifiers,
ImportFile,
OpaqueContainer,
Configuration,
Unimplemented
};
inline uint64_t operator&(StackElement s1, StackElement s2)
{
return uint64_t(s1) & uint64_t(s2);
}
inline StackElement operator|(StackElement s1, StackElement s2)
{
return StackElement(uint64_t(s1) | uint64_t(s2));
}
struct StackElementContext
{
CodeSnipList conversionCodeSnips;
AddedFunctionList addedFunctions;
FunctionModificationList functionMods;
FieldModificationList fieldMods;
DocModificationList docModifications;
TypeEntryPtr entry;
int addedFunctionModificationIndex = -1;
};
class TypeSystemParser
{
public:
Q_DISABLE_COPY_MOVE(TypeSystemParser)
using StackElementContextPtr = std::shared_ptr<StackElementContext>;
using ContextStack = QStack<StackElementContextPtr>;
explicit TypeSystemParser(const std::shared_ptr<TypeDatabaseParserContext> &context,
bool generate);
~TypeSystemParser();
bool parse(ConditionalStreamReader &reader);
QString errorString() const { return m_error; }
private:
struct Snippet
{
QString content;
QString fileName;
QString snippetLabel;
};
bool parseXml(ConditionalStreamReader &reader);
bool setupSmartPointerInstantiations();
bool startElement(const ConditionalStreamReader &reader, StackElement element);
SmartPointerTypeEntryPtr parseSmartPointerEntry(const ConditionalStreamReader &,
const QString &name,
const QVersionNumber &since,
QXmlStreamAttributes *attributes);
bool endElement(StackElement element);
template <class String> // QString/QStringRef
bool characters(const String &ch);
bool importFileElement(const QXmlStreamAttributes &atts);
TypeEntryCPtr currentParentTypeEntry() const;
bool checkRootElement();
bool applyCommonAttributes(const ConditionalStreamReader &reader,
const TypeEntryPtr &type,
QXmlStreamAttributes *attributes);
PrimitiveTypeEntryPtr
parsePrimitiveTypeEntry(const ConditionalStreamReader &, const QString &name,
const QVersionNumber &since, QXmlStreamAttributes *);
CustomTypeEntryPtr
parseCustomTypeEntry(const ConditionalStreamReader &, const QString &name,
const QVersionNumber &since, QXmlStreamAttributes *);
bool parseOpaqueContainers(QStringView s, OpaqueContainers *result);
ContainerTypeEntryPtr
parseContainerTypeEntry(const ConditionalStreamReader &, const QString &name,
const QVersionNumber &since, QXmlStreamAttributes *);
bool parseOpaqueContainerElement(QXmlStreamAttributes *attributes);
EnumTypeEntryPtr
parseEnumTypeEntry(const ConditionalStreamReader &, const QString &name,
const QVersionNumber &since, QXmlStreamAttributes *);
FlagsTypeEntryPtr
parseFlagsEntry(const ConditionalStreamReader &, const EnumTypeEntryPtr &enumEntry,
QString flagName, const QVersionNumber &since,
QXmlStreamAttributes *);
NamespaceTypeEntryPtr
parseNamespaceTypeEntry(const ConditionalStreamReader &,
const QString &name, const QVersionNumber &since,
QXmlStreamAttributes *attributes);
ValueTypeEntryPtr
parseValueTypeEntry(const ConditionalStreamReader &, const QString &name,
const QVersionNumber &since, QXmlStreamAttributes *);
FunctionTypeEntryPtr
parseFunctionTypeEntry(const ConditionalStreamReader &, const QString &name,
const QVersionNumber &since, QXmlStreamAttributes *);
TypedefEntryPtr
parseTypedefEntry(const ConditionalStreamReader &, const QString &name,
StackElement topElement,
const QVersionNumber &since, QXmlStreamAttributes *);
void applyComplexTypeAttributes(const ConditionalStreamReader &, const ComplexTypeEntryPtr &ctype,
QXmlStreamAttributes *) const;
bool parseConfiguration(StackElement topElement,
QXmlStreamAttributes *attributes);
bool parseRenameFunction(const ConditionalStreamReader &, QString *name,
QXmlStreamAttributes *);
bool parseInjectDocumentation(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseModifyDocumentation(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
TypeSystemTypeEntryPtr
parseRootElement(const ConditionalStreamReader &, const QVersionNumber &since,
QXmlStreamAttributes *);
bool loadTypesystem(const ConditionalStreamReader &, QXmlStreamAttributes *);
bool parseRejectEnumValue(const ConditionalStreamReader &, QXmlStreamAttributes *);
bool parseReplaceArgumentType(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseCustomConversion(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseAddConversion(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseNativeToTarget(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *attributes);
bool parseModifyArgument(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *attributes);
bool parseNoNullPointer(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *attributes);
bool parseDefineOwnership(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseRename(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseModifyField(const ConditionalStreamReader &, QXmlStreamAttributes *);
bool parseAddFunction(const ConditionalStreamReader &, StackElement topElement,
StackElement t, QXmlStreamAttributes *);
bool parseAddPyMethodDef(const ConditionalStreamReader &,
StackElement topElement, QXmlStreamAttributes *attributes);
bool parseProperty(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseBasicModifyFunctionAttributes(QXmlStreamAttributes *,
FunctionModification *mod);
bool parseModifyFunctionAttributes(QXmlStreamAttributes *,
FunctionModification *mod);
bool parseModifyFunction(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseReplaceDefaultExpression(const ConditionalStreamReader &,
StackElement topElement, QXmlStreamAttributes *);
bool parseReferenceCount(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseParentOwner(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
std::optional<Snippet> readFileSnippet(QXmlStreamAttributes *attributes);
bool readCodeSnippet(QXmlStreamAttributes *attributes, CodeSnip *snip);
bool parseInjectCode(const ConditionalStreamReader &, StackElement topElement, QXmlStreamAttributes *);
bool parseInclude(const ConditionalStreamReader &, StackElement topElement,
const TypeEntryPtr &entry, QXmlStreamAttributes *);
bool parseSystemInclude(const ConditionalStreamReader &, QXmlStreamAttributes *);
TemplateInstance
*parseInsertTemplate(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool parseReplace(const ConditionalStreamReader &, StackElement topElement,
QXmlStreamAttributes *);
bool checkDuplicatedTypeEntry(const ConditionalStreamReader &reader,
StackElement t, const QString &name) const;
ParserState parserState(qsizetype offset = 0) const;
CodeSnipAbstract *injectCodeTarget(qsizetype offset = 0) const;
std::shared_ptr<TypeDatabaseParserContext> m_context;
QStack<StackElement> m_stack;
int m_currentDroppedEntryDepth = 0;
int m_ignoreDepth = 0;
QString m_defaultPackage;
QString m_defaultSuperclass;
TypeSystem::ExceptionHandling m_exceptionHandling = TypeSystem::ExceptionHandling::Unspecified;
TypeSystem::AllowThread m_allowThread = TypeSystem::AllowThread::Unspecified;
QString m_error;
const TypeEntry::CodeGeneration m_generate;
EnumTypeEntryPtr m_currentEnum;
TemplateInstancePtr m_templateInstance;
TemplateEntryPtr m_templateEntry;
ContextStack m_contextStack;
QString m_currentSignature;
QString m_currentPath;
QString m_currentFile;
QScopedPointer<TypeSystemEntityResolver> m_entityResolver;
};
#endif // TYPESYSTEMPARSER_H
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