CHatingPython
52537e0955
Add location function to node and introduce a new abstract_node class. Refs: #1
138 lines
3.5 KiB
C++
138 lines
3.5 KiB
C++
#ifndef FURC_AST_DECLARATION_HPP
|
|
#define FURC_AST_DECLARATION_HPP
|
|
|
|
#include "furc/ast/node.hpp"
|
|
#include "furc/ast/statement.hpp"
|
|
#include "furc/front/token.hpp"
|
|
|
|
namespace furc {
|
|
namespace ast {
|
|
|
|
/**
|
|
* @brief Declaration node type.
|
|
*/
|
|
enum class declaration_node_t {
|
|
Func, /**< Function declaration. */
|
|
FuncDef, /**< Function definition. */
|
|
};
|
|
|
|
/**
|
|
* @brief Declaration AST node interface.
|
|
*/
|
|
class declaration_node : public statement_node, public abstract_node {
|
|
public:
|
|
/**
|
|
* @brief Construct a new declaration AST node.
|
|
*
|
|
* @param location Node location.
|
|
*/
|
|
declaration_node(struct location location)
|
|
: abstract_node(location) {}
|
|
public:
|
|
/**
|
|
* @brief Returns this node's category.
|
|
*
|
|
* @return node_t::Declaration.
|
|
*/
|
|
node_t category() const override { return node_t::Declaration; }
|
|
|
|
/**
|
|
* @brief Returns this node's statement type.
|
|
*
|
|
* @return statement_node_t::Declaration.
|
|
*/
|
|
statement_node_t statement_type() const final { return statement_node_t::Declaration; }
|
|
|
|
/**
|
|
* @brief Returns this node's declaration type.
|
|
*
|
|
* @return The declaration type.
|
|
*/
|
|
virtual declaration_node_t declaration_type() const = 0;
|
|
protected:
|
|
bool equal(const node& rhs) const override;
|
|
};
|
|
|
|
/**
|
|
* @brief Function declaration AST node.
|
|
*/
|
|
class function_declaration_node : public declaration_node {
|
|
public:
|
|
/**
|
|
* @brief Construct a new function declaration node object from name token.
|
|
*
|
|
* @param location Node location.
|
|
* @param name Name of the function.
|
|
*/
|
|
function_declaration_node(struct location location, front::token name)
|
|
: declaration_node(location), p_name(name) {}
|
|
public:
|
|
/**
|
|
* @brief Returns this node's declaration type.
|
|
*
|
|
* @return declaration_node_t::FunctionDeclaration.
|
|
*/
|
|
declaration_node_t declaration_type() const override { return declaration_node_t::Func; }
|
|
|
|
/**
|
|
* @brief Returns function's name.
|
|
*
|
|
* @return Name of the function.
|
|
*/
|
|
front::token name() const { return p_name; }
|
|
public:
|
|
void accept(visitor& visitor) const override;
|
|
|
|
std::ostream& print(std::ostream& os) const override;
|
|
protected:
|
|
bool equal(const node& rhs) const override;
|
|
protected:
|
|
/**
|
|
* @brief Name of the function.
|
|
*/
|
|
front::token p_name;
|
|
};
|
|
|
|
/**
|
|
* @brief Function definition AST node.
|
|
*/
|
|
class function_definition_node final : public function_declaration_node {
|
|
public:
|
|
/**
|
|
* @brief Construct a new function definition node object from name and body.
|
|
*
|
|
* @param location Node location.
|
|
* @param name Name of the function.
|
|
* @param body Body of the function.
|
|
*/
|
|
function_definition_node(struct location location, front::token name, body_r&& body)
|
|
: function_declaration_node(location, name), m_body(std::move(body)) {}
|
|
public:
|
|
/**
|
|
* @brief Returns this node's declaration type.
|
|
*
|
|
* @return declaration_node_t::FunctionDefinition.
|
|
*/
|
|
declaration_node_t declaration_type() const override { return declaration_node_t::FuncDef; }
|
|
|
|
/**
|
|
* @brief Returns function's body.
|
|
*
|
|
* @return Body of the function.
|
|
*/
|
|
const body_r& body() const { return m_body; }
|
|
public:
|
|
void accept(visitor& visitor) const override;
|
|
|
|
std::ostream& print(std::ostream& os) const override;
|
|
protected:
|
|
bool equal(const node& rhs) const override;
|
|
private:
|
|
body_r m_body;
|
|
};
|
|
|
|
} // namespace ast
|
|
} // namespace furc
|
|
|
|
#endif // FURC_AST_DECLARATION_HPP
|