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DeclarationManager.h
107 lines (84 loc) · 3.92 KB
/
DeclarationManager.h
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#pragma once
#include "ideclmanager.h"
#include "icommandsystem.h"
#include <map>
#include <set>
#include <vector>
#include <memory>
#include "string/string.h"
#include "DeclarationFile.h"
namespace decl
{
class DeclarationFolderParser;
class DeclarationManager :
public IDeclarationManager
{
private:
// Declaration names are compared case-insensitively
using NamedDeclarations = std::map<std::string, IDeclaration::Ptr, string::ILess>;
std::map<std::string, IDeclarationCreator::Ptr> _creatorsByTypename;
std::map<Type, IDeclarationCreator::Ptr> _creatorsByType;
std::recursive_mutex _creatorLock;
struct RegisteredFolder
{
std::string folder;
std::string extension;
Type defaultType;
};
std::vector<RegisteredFolder> _registeredFolders;
std::recursive_mutex _registeredFoldersLock;
struct Declarations
{
// The decl library
NamedDeclarations decls;
// If not empty, holds the running parser
std::unique_ptr<DeclarationFolderParser> parser;
};
// One entry for each decl
std::map<Type, Declarations> _declarationsByType;
std::recursive_mutex _declarationLock;
std::list<DeclarationBlockSyntax> _unrecognisedBlocks;
std::recursive_mutex _unrecognisedBlockLock;
std::map<Type, sigc::signal<void>> _declsReloadingSignals;
std::map<Type, sigc::signal<void>> _declsReloadedSignals;
std::size_t _parseStamp = 0;
bool _reparseInProgress = false;
public:
void registerDeclType(const std::string& typeName, const IDeclarationCreator::Ptr& parser) override;
void unregisterDeclType(const std::string& typeName) override;
void registerDeclFolder(Type defaultType, const std::string& inputFolder, const std::string& inputExtension) override;
IDeclaration::Ptr findDeclaration(Type type, const std::string& name) override;
IDeclaration::Ptr findOrCreateDeclaration(Type type, const std::string& name) override;
void foreachDeclaration(Type type, const std::function<void(const IDeclaration::Ptr&)>& functor) override;
sigc::signal<void>& signal_DeclsReloading(Type type) override;
sigc::signal<void>& signal_DeclsReloaded(Type type) override;
void reloadDeclarations() override;
bool renameDeclaration(Type type, const std::string& oldName, const std::string& newName) override;
void removeDeclaration(Type type, const std::string& name) override;
void saveDeclaration(const IDeclaration::Ptr& decl) override;
const std::string& getName() const override;
const StringSet& getDependencies() const override;
void initialiseModule(const IApplicationContext& ctx) override;
void shutdownModule() override;
// Invoked once a parser thread has finished. It will move its data over to here.
void onParserFinished(Type parserType,
std::map<Type, std::vector<DeclarationBlockSyntax>>& parsedBlocks);
private:
void runParsersForAllFolders();
void waitForTypedParsersToFinish();
// Attempts to resolve the block type of the given block, returns true on success, false otherwise.
// Stores the determined type in the given reference.
std::map<std::string, Type, string::ILess> getTypenameMapping();
bool tryDetermineBlockType(const DeclarationBlockSyntax& block, Type& type);
void processParsedBlocks(std::map<Type, std::vector<DeclarationBlockSyntax>>& parsedBlocks);
// Requires the creatorsMutex and the declarationMutex to be locked
const IDeclaration::Ptr& createOrUpdateDeclaration(Type type, const DeclarationBlockSyntax& block);
void doWithDeclarations(Type type, const std::function<void(NamedDeclarations&)>& action);
void handleUnrecognisedBlocks();
void reloadDeclsCmd(const cmd::ArgumentList& args);
// Requires the creatorsMutex to be locked
std::string getTypenameByType(Type type);
// Emit the reloaded signal (on a different thread if requested)
void emitDeclsReloadedSignal(Type type, bool async);
};
}