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// Copyright (C) 2022 Satya Das and CppParser contributors
// SPDX-License-Identifier: MIT
#ifndef F8A152FE_69F0_410B_B54E_2A4F85280520
#define F8A152FE_69F0_410B_B54E_2A4F85280520
#include "cppparser/cpp_type_tree.h"
#include "cppparser/cppparser.h"
#include <functional>
#include <map>
#include <memory>
#include <set>
#include <string>
#include <vector>
namespace cppparser {
/**
* @brief Represents an entire C++ program.
*/
class CppProgram
{
public:
CppProgram(const std::vector<std::string>& files);
public:
/**
* Adds a new file AST to this program.
* @warning It is a no-op if @a cppAst is not of CppCompoundType::FILE type.
*/
void addCppFile(std::unique_ptr<cppast::CppCompound> cppAst);
void addCompound(const cppast::CppCompound& compound, const cppast::CppCompound& parent);
void addCompound(const cppast::CppCompound& compound, CppTypeTreeNode& parentTypeNode);
/**
* Finds the CppTypeTreeNode object corresponding to a given name.
* @param name Name of type for which CppTypeTreeNode needs to be found.
* @param beginFrom CppTypeTreeNode object from where the find should begin. It can be nullptr, in that case the
* global space is looked for the name.
* @return CppTypeTreeNode corresponding to given name.
* @note Name can contain scope resolution operator(::).
* @remarks
* 1. The search moves upward. E.g. if @a beginFrom does not contain the type whose name is @a name then
* it is searched in parent node and keeps moving upward till a match is found or type-hierarchy ends without a match.
* 2. It is supposed to work exactly like how compiler looks for name.
*/
const CppTypeTreeNode* nameLookup(const std::string& name, const CppTypeTreeNode* beginFrom = nullptr) const;
/**
* Searches down (in breadth first manner) the CppTypeTreeNode object corresponding to a given name.
* @param name Name of type for which CppTypeTreeNode needs to be found.
* @param parentNode CppTypeTreeNode object from where the search should begin. It can be nullptr, in that case search
* starts from the top.
* @return CppTypeTreeNode corresponding to given name.
* @note Name should NOT contain scope resolution operator(::).
* @remarks The search moves downward. E.g. if @a parentNode does not contain the type whose name is @a name then
* it is searched in child nodes and keeps going downwards till a match is found or type-hierarchy ends without a
* match.
*/
const CppTypeTreeNode* searchTypeNode(const std::string& name, const CppTypeTreeNode* parentNode = nullptr) const;
/**
* @return CppTypeTreeNode for cppast::CppEntity.
* @note Return value may be nullptr if cppast::CppEntity does not represent a valid type.
*/
const CppTypeTreeNode* typeTreeNodeFromCppEntity(const cppast::CppEntity* cppEntity) const;
/**
* @return An array of cppast::CppCompound each element of which represents AST of a C++ file.
*/
const std::vector<std::unique_ptr<cppast::CppCompound>>& getFileAsts() const;
private:
void loadType(const cppast::CppCompound& cppCompound, CppTypeTreeNode& typeNode);
private:
using CppEntityToTypeNodeMap = std::map<const cppast::CppEntity*, CppTypeTreeNode*>;
std::vector<std::unique_ptr<cppast::CppCompound>> fileAsts_; ///< Array of all top level ASTs corresponding to files.
CppTypeTreeNode cppTypeTreeRoot_; ///< Repository of all compound objects arranged as type-tree.
CppEntityToTypeNodeMap cppEntityToTypeNode_;
};
inline const std::vector<std::unique_ptr<cppast::CppCompound>>& CppProgram::getFileAsts() const
{
return fileAsts_;
}
inline const CppTypeTreeNode* CppProgram::typeTreeNodeFromCppEntity(const cppast::CppEntity* cppEntity) const
{
CppEntityToTypeNodeMap::const_iterator itr = cppEntityToTypeNode_.find(cppEntity);
return itr == cppEntityToTypeNode_.end() ? nullptr : itr->second;
}
} // namespace cppparser
#endif /* F8A152FE_69F0_410B_B54E_2A4F85280520 */