bpp.h

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#ifndef SRC_BPP_INCLUDE_BPP_H_
#define SRC_BPP_INCLUDE_BPP_H_
 
#include <string>
#include <sstream>
#include <vector>
#include <unordered_map>
#include <memory>
 
#include "replace_all.h"
 
namespace bpp {
 
enum bpp_scope {
    SCOPE_PUBLIC,
    SCOPE_PROTECTED,
    SCOPE_PRIVATE,
    SCOPE_INACCESSIBLE
};
 
enum reference_type {
    ref_primitive,
    ref_method,
    ref_object
};
 
// Forward declarations
 
class bpp_entity;
class bpp_code_entity;
class bpp_string;
class bpp_method;
class bpp_method_parameter;
class bpp_class;
class bpp_object;
class bpp_datamember;
class bpp_program;
 
// Statement types
class bash_while_loop;
class bash_while_condition;
class bash_if;
class bash_if_branch;
class bash_case;
class bash_case_pattern;
class bash_for;
class bash_function;
class bpp_delete_statement;
class bpp_dynamic_cast_statement;
class bpp_pointer_dereference;
class bpp_value_assignment;
class bpp_object_assignment;
class bpp_object_reference;
class bpp_object_address;
 
static const std::shared_ptr<bpp_entity> inaccessible_entity = std::make_shared<bpp_entity>();
 
static const std::shared_ptr<bpp_datamember> inaccessible_datamember = std::make_shared<bpp_datamember>();
 
static const std::shared_ptr<bpp_method> inaccessible_method = std::make_shared<bpp_method>();
 
static const char bpp_nullptr[] = "0";
 
class bpp_entity {
    protected:
        std::unordered_map<std::string, std::shared_ptr<bpp_class>> classes;
 
        std::unordered_map<std::string, std::shared_ptr<bpp_object>> objects;
 
        std::unordered_map<std::string, std::shared_ptr<bpp_object>> local_objects;
        std::shared_ptr<bpp_class> type = nullptr;
        std::weak_ptr<bpp_class> containing_class;
        std::vector<std::shared_ptr<bpp_class>> parents;
    public:
        virtual ~bpp_entity() = default;
        virtual bool add_class(std::shared_ptr<bpp_class> class_);
        virtual bool add_object(std::shared_ptr<bpp_object> object, bool make_local = false);
 
        virtual std::shared_ptr<bpp_class> get_class() const;
        virtual std::string get_address() const;
        virtual std::string get_name() const;
        virtual std::weak_ptr<bpp::bpp_class> get_containing_class() const;
        virtual bool set_containing_class(std::weak_ptr<bpp::bpp_class> containing_class);
 
        virtual void inherit(std::shared_ptr<bpp_entity> parent);
        virtual void inherit(std::shared_ptr<bpp_class> parent);
 
        virtual std::unordered_map<std::string, std::shared_ptr<bpp_class>> get_classes() const;
        virtual std::unordered_map<std::string, std::shared_ptr<bpp_object>> get_objects() const;
        virtual std::shared_ptr<bpp_class> get_class(const std::string& name);
        virtual std::shared_ptr<bpp_object> get_object(const std::string& name);
};
 
class bpp_code_entity : public bpp_entity {
    protected:
        std::shared_ptr<std::ostream> code = std::make_shared<std::ostringstream>();
        std::string nextline_buffer = "";
        std::string postline_buffer = "";
        bool buffers_flushed = false;
    public:
        bpp_code_entity();
 
        virtual void add_code(const std::string& code, bool add_newline = true);
        virtual void add_code_to_previous_line(const std::string& code);
        virtual void add_code_to_next_line(const std::string& code);
 
        bool add_object(std::shared_ptr<bpp_object> object, bool make_local = false) override;
 
        virtual void flush_nextline_buffer();
        virtual void flush_postline_buffer();
        virtual void flush_code_buffers();
 
        virtual void clear_all_buffers();
 
        virtual std::string get_code() const;
        virtual std::string get_pre_code() const;
        virtual std::string get_post_code() const;
};
 
class bpp_string : public bpp_code_entity {
    public:
        bpp_string();
 
        void add_code(const std::string& code, bool add_newline = true) override;
        void add_code_to_previous_line(const std::string& code) override;
        void add_code_to_next_line(const std::string& code) override;
 
        std::string get_code() const override;
        std::string get_pre_code() const override;
        std::string get_post_code() const override;
};
 
class bpp_method : public bpp_code_entity {
    private:
        std::string name;
        std::vector<std::shared_ptr<bpp_method_parameter>> parameters;
        bpp_scope scope = SCOPE_PUBLIC;
        bool m_is_virtual = false;
        bool inherited = false;
        bool add_object_as_parameter(std::shared_ptr<bpp_object> object);
    public:
        bpp_method();
        explicit bpp_method(const std::string& name);
        bpp_method(const std::string& name, bool is_virtual);
 
        virtual bool add_parameter(std::shared_ptr<bpp_method_parameter> parameter);
        void set_name(const std::string& name);
        void set_scope(bpp_scope scope);
        void set_virtual(bool is_virtual);
        void set_inherited(bool is_inherited);
        bool add_object(std::shared_ptr<bpp_object> object, bool make_local) override;
 
        std::string get_name() const override;
        std::vector<std::shared_ptr<bpp_method_parameter>> get_parameters() const;
        bpp_scope get_scope() const;
        bool is_virtual() const;
        bool is_inherited() const;
 
        void destruct_local_objects(std::shared_ptr<bpp_program> program);
};
 
class bpp_method_parameter : public bpp_entity {
    private:
        std::string name;
    public:
        explicit bpp_method_parameter(const std::string& name);
 
        void set_type(std::shared_ptr<bpp_class>);
 
        std::string get_name() const override;
        std::shared_ptr<bpp_class> get_type() const;
};
 
class bpp_class : public bpp_entity, public std::enable_shared_from_this<bpp_class> {
    private:
        std::string name;
        std::vector<std::shared_ptr<bpp_method>> methods;
        std::vector<std::shared_ptr<bpp_datamember>> datamembers;
        bool has_custom_toPrimitive = false;
        bool has_custom_destructor = false;
 
        void remove_default_toPrimitive();
        void add_default_toPrimitive();
        void remove_default_destructor();
        void add_default_destructor();
 
        bool finalized = false;
    public:
        bpp_class();
 
        std::weak_ptr<bpp_class> get_containing_class() const override;
        bool set_containing_class(std::weak_ptr<bpp::bpp_class> containing_class) override;
 
        std::shared_ptr<bpp_class> get_class() const override;
 
        void set_name(const std::string& name);
        bool add_method(std::shared_ptr<bpp_method> method);
        bool add_datamember(std::shared_ptr<bpp_datamember> datamember);
 
        std::string get_name() const override;
        std::vector<std::shared_ptr<bpp_method>> get_methods() const;
        std::vector<std::shared_ptr<bpp_datamember>> get_datamembers() const;
 
        std::shared_ptr<bpp_method> get_method(const std::string& name, std::shared_ptr<bpp_entity> context);
        std::shared_ptr<bpp_method> get_method_UNSAFE(const std::string& name);
        std::shared_ptr<bpp_datamember> get_datamember(const std::string& name, std::shared_ptr<bpp_entity> context);
 
        void inherit(std::shared_ptr<bpp_class> parent) override;
        std::shared_ptr<bpp::bpp_class> get_parent();
 
        void finalize(std::shared_ptr<bpp_program> program);
};
 
class bpp_object : public bpp_entity {
    protected:
        std::string name = "";
        std::string address = "";
        std::string assignment_value = "";
        std::string pre_access_code = "";
        std::string post_access_code = "";
        bool m_is_pointer = false;
        std::shared_ptr<bpp::bpp_object> copy_from = nullptr;
    public:
        bpp_object();
        explicit bpp_object(const std::string& name);
        bpp_object(const std::string& name, bool is_pointer);
 
        void set_class(std::shared_ptr<bpp_class> object_class);
        void set_pointer(bool is_pointer);
        void set_name(const std::string& name);
        void set_address(const std::string& address);
        void set_assignment_value(const std::string& assignment_value);
        void set_pre_access_code(const std::string& pre_access_code);
        void set_post_access_code(const std::string& post_access_code);
        void set_nullptr();
 
        std::string get_name() const override;
        std::string get_address() const override;
        std::string get_assignment_value() const;
        std::shared_ptr<bpp_class> get_class() const override;
        std::string get_pre_access_code() const;
        std::string get_post_access_code() const;
        std::shared_ptr<bpp::bpp_object> get_copy_from() const;
 
        bool is_pointer() const;
};
 
class bpp_datamember : public bpp_object {
    private:
        std::string default_value = "";
        bpp_scope scope = SCOPE_PRIVATE;
        bool array = false;
    public:
        bpp_datamember();
 
        void set_default_value(const std::string& default_value);
        void set_scope(bpp_scope scope);
        void set_array(bool is_array);
 
        std::string get_address() const override;
        std::string get_default_value() const;
        bpp_scope get_scope() const;
        bool is_array() const;
};
 
class bpp_program : public bpp_code_entity, public std::enable_shared_from_this<bpp_program> {
    private:
        std::shared_ptr<bpp_class> primitive_class;
        uint64_t supershell_counter = 0;
        uint64_t assignment_counter = 0;
        uint64_t function_counter = 0;
        uint64_t dynamic_cast_counter = 0;
        uint64_t object_counter = 0;
    public:
        bpp_program();
 
        bool set_containing_class(std::weak_ptr<bpp_class> containing_class) override;
        void set_output_stream(std::shared_ptr<std::ostream> output_stream);
 
        bool add_class(std::shared_ptr<bpp_class> class_) override;
 
        std::shared_ptr<bpp_class> get_primitive_class() const;
 
        void increment_supershell_counter();
        uint64_t get_supershell_counter() const;
 
        void increment_assignment_counter();
        uint64_t get_assignment_counter() const;
 
        void increment_function_counter();
        uint64_t get_function_counter() const;
 
        void increment_dynamic_cast_counter();
        uint64_t get_dynamic_cast_counter() const;
 
        void increment_object_counter();
        uint64_t get_object_counter() const;
};
 
class bash_while_loop : public bpp_code_entity {
    private:
        std::shared_ptr<bpp::bash_while_condition> while_condition;
    public:
        bash_while_loop();
 
        void set_while_condition(std::shared_ptr<bpp::bash_while_condition> while_condition);
        std::shared_ptr<bpp::bash_while_condition> get_while_condition() const;
 
        std::string get_code() const override;
        std::string get_pre_code() const override;
        std::string get_post_code() const override;
};
 
class bash_while_condition : public bpp_string {
    private:
        int supershell_count = 0;
        std::vector<std::string> supershell_function_calls = {};
    public:
        bash_while_condition();
 
        void increment_supershell_count();
        void add_supershell_function_call(const std::string& function_call);
        std::vector<std::string> get_supershell_function_calls() const;
};
 
class bash_if : public bpp_string {
    private:
        std::string conditional_branch_pre_code = "";
        std::string conditional_branch_post_code = "";
        std::vector<std::pair<std::string, std::string>> conditional_branches = {};
    public:
        bash_if();
 
        void add_conditional_branch_pre_code(const std::string& pre_code);
        void add_conditional_branch_post_code(const std::string& post_code);
        void new_branch();
        void add_condition_code(const std::string& condition_code);
        void add_branch_code(const std::string& branch_code);
        std::string get_conditional_branch_pre_code() const;
        std::string get_conditional_branch_post_code() const;
        const std::vector<std::pair<std::string, std::string>>& get_conditional_branches() const;
};
 
class bash_if_branch : public bpp_code_entity {
    private:
        std::shared_ptr<bpp::bash_if> if_statement;
    public:
        bash_if_branch();
 
        void set_if_statement(std::shared_ptr<bpp::bash_if> if_statement);
        std::shared_ptr<bpp::bash_if> get_if_statement() const;
 
        std::string get_code() const override;
        std::string get_pre_code() const override;
        std::string get_post_code() const override;
};
 
class bash_case : public bpp_string {
    private:
        std::string cases = "";
    public:
        bash_case();
 
        void add_case(const std::string& case_);
 
        const std::string& get_cases() const;
};
 
class bash_case_pattern : public bpp_code_entity {
    private:
        std::string pattern = "";
        std::shared_ptr<bpp::bash_case> containing_case;
    public:
        bash_case_pattern();
 
        void set_pattern(const std::string& pattern);
        void set_containing_case(std::shared_ptr<bpp::bash_case> containing_case);
 
        const std::string& get_pattern() const;
        std::shared_ptr<bpp::bash_case> get_containing_case() const;
};
 
class bash_for : public bpp_code_entity {
    private:
        std::string header_pre_code = "";
        std::string header_post_code = "";
        std::string header_code = "";
    public:
        bash_for();
 
        void set_header_pre_code(const std::string& pre_code);
        void set_header_post_code(const std::string& post_code);
        void set_header_code(const std::string& code);
 
        const std::string& get_header_pre_code() const;
        const std::string& get_header_post_code() const;
        const std::string& get_header_code() const;
};
 
class bash_function : public bpp_code_entity {
    private:
        std::string name = "";
    public:
        bash_function();
 
        void set_name(const std::string& name);
        std::string get_name() const override;
};
 
class bpp_delete_statement : public bpp_string {
    private:
        std::shared_ptr<bpp::bpp_object> object_to_delete;
        bool force_ptr = false;
    public:
        bpp_delete_statement() = default;
 
        void set_object_to_delete(std::shared_ptr<bpp::bpp_object> object);
        void set_force_pointer(bool force_pointer);
        std::shared_ptr<bpp::bpp_object> get_object_to_delete() const;
        bool force_pointer() const;
};
 
class bpp_dynamic_cast_statement : public bpp_string {
    private:
        std::shared_ptr<bpp::bpp_class> cast_to;
        std::string cast_address = "";
    public:
        bpp_dynamic_cast_statement();
 
        void set_cast_to(std::shared_ptr<bpp::bpp_class> cast_to);
        void set_cast_address(const std::string& cast_address);
        std::shared_ptr<bpp::bpp_class> get_cast_to() const;
        std::string get_cast_address() const;
};
 
class bpp_pointer_dereference : public bpp_string {
    private:
        std::shared_ptr<bpp::bpp_value_assignment> value_assignment;
    public:
        bpp_pointer_dereference();
 
        void set_value_assignment(std::shared_ptr<bpp::bpp_value_assignment> value_assignment);
        std::shared_ptr<bpp::bpp_value_assignment> get_value_assignment() const;
};
 
class bpp_value_assignment : public bpp_string {
    private:
        bool nonprimitive_assignment = false;
        std::shared_ptr<bpp_entity> nonprimitive_object;
        bool lvalue_nonprimitive = false;
        bool array_assignment = false;
        bool adding = false;
    public:
        bpp_value_assignment();
 
        void set_nonprimitive_assignment(bool is_nonprimitive);
        void set_nonprimitive_object(std::shared_ptr<bpp_entity> object);
        void set_lvalue_nonprimitive(bool is_nonprimitive);
        void set_array_assignment(bool is_array);
        void set_adding(bool is_adding);
 
        bool is_nonprimitive_assignment() const;
        std::shared_ptr<bpp_entity> get_nonprimitive_object() const;
        bool lvalue_is_nonprimitive() const;
        bool is_array_assignment() const;
        bool is_adding() const;
};
 
class bpp_object_assignment : public bpp_string {
    private:
        std::string lvalue = "";
        std::string rvalue = "";
        bool lvalue_nonprimitive = false;
        bool rvalue_nonprimitive = false;
        std::shared_ptr<bpp_entity> lvalue_object;
        std::shared_ptr<bpp_entity> rvalue_object;
        bool adding = false;
        bool rvalue_array = false;
    public:
        bpp_object_assignment();
 
        void set_lvalue(const std::string& lvalue);
        void set_rvalue(const std::string& rvalue);
        void set_lvalue_nonprimitive(bool is_nonprimitive);
        void set_rvalue_nonprimitive(bool is_nonprimitive);
        void set_lvalue_object(std::shared_ptr<bpp_entity> object);
        void set_rvalue_object(std::shared_ptr<bpp_entity> object);
        void set_adding(bool is_adding);
        void set_rvalue_array(bool is_array);
 
        std::string get_lvalue() const;
        std::string get_rvalue() const;
        bool lvalue_is_nonprimitive() const;
        bool rvalue_is_nonprimitive() const;
        std::shared_ptr<bpp_entity> get_lvalue_object() const;
        std::shared_ptr<bpp_entity> get_rvalue_object() const;
        bool is_adding() const;
        bool rvalue_is_array() const;
};
 
class bpp_object_reference : public bpp_string {
    private:
        bpp::reference_type reference_type;
        std::string array_index = "";
    public: 
        bpp_object_reference();
 
        void set_reference_type(bpp::reference_type reference_type);
        void set_array_index(const std::string& array_index);
        bpp::reference_type get_reference_type() const;
        std::string get_array_index() const;
};
 
class bpp_object_address : public bpp_string {
    public:
        bpp_object_address() = default;
};
 
} // namespace bpp
 
#endif // SRC_BPP_INCLUDE_BPP_H_