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#ifndef PARSER_H
#define PARSER_H PARSER_H
#include <program.h>
#include <stddef.h>
#include <assert.h>
#include <map.h>

enum AST_Type
{
	AST_TYPE_MACHINE,
	AST_TYPE_STATE,
	AST_TYPE_STATES,
	AST_TYPE_EVENT,
	AST_TYPE_EVENTS,
	AST_TYPE_TRANSITION,
	AST_TYPE_TRANSITIONS,
	AST_TYPE_COMMAND,
	AST_TYPE_PIPELINE,
};
struct AST
{
	enum AST_Type type;
};
struct AST_State
{
	enum AST_Type type;
	struct token *id;
};
struct AST_Event
{
	enum AST_Type type;
	struct token *id;
};
struct AST_States
{
	enum AST_Type type;
	size_t number_of_states;
	struct Map *states_map;
	struct AST_State *states[];
};
struct AST_Events
{
	enum AST_Type type;
	size_t number_of_events;
	struct Map *events_map;
	struct AST_Event *events[];
};
struct AST_Transition
{
	enum AST_Type type;
	struct AST_State *from;
	struct AST_State *to;
	struct AST_Event *event;
	struct AST_Pipeline *pipeline;
};
struct AST_Command
{
	enum AST_Type type;
	struct token *function_name;
	struct token *argument;
};
struct AST_Pipeline
{
	enum AST_Type type;
	size_t size;
	struct AST_Command *pipeline[];
};
struct AST_Machine
{
	enum AST_Type type;
	struct token *id;
	struct AST_States *states;
	struct AST_Events *events;
	struct AST_Transitions *transitions;
};
struct AST_Transitions
{
	enum AST_Type type;
	size_t size;
	struct AST_Transition *transitions[];
};


struct AST* parse_unit(struct Translation_Data *translation_data); 
struct AST_Machine* parse_machine(struct Translation_Data *translation_data);
struct AST_Machine* parse_machine_inner(struct token *machine_id,struct Translation_Data *translation_data);
struct AST_States* parse_states_inner(struct Translation_Data *translation_data);
struct AST_State* parse_state(struct Translation_Data *translation_data);
struct AST_Events* parse_events_inner(struct Translation_Data *translation_data);
struct AST_Event* parse_event(struct Translation_Data *translation_data);
struct AST_Transitions* parse_transitions_inner(struct Translation_Data *translation_data,struct AST_States *states,struct AST_Events *events );
struct AST_Transition* parse_transition(struct Translation_Data *translation_data,struct AST_States *states,struct AST_Events *events);
struct AST_Pipeline* parse_pipeline(struct Translation_Data *translation_data);
struct AST_Command* parse_command(struct Translation_Data *translation_data);
struct AST_State* parse_start_on(struct Translation_Data *translation_data,struct AST_States *states);


struct AST_State* get_ast_state(struct token *id);
struct AST_Event* get_ast_event(struct token *id);
struct AST_States* get_ast_states(struct Queue *states);
struct AST_Events* get_ast_events(struct Queue *events);
struct AST_Transition* get_ast_transition(struct AST_State *from,struct AST_State *to,struct AST_Event *event,struct AST_Pipeline *pipeline);
struct AST_Command* get_ast_command(struct token *function_name,struct token *argument);
struct AST_Pipeline* get_ast_pipeline(struct Queue *pipeline);
struct AST_Machine* get_ast_machine(struct token *id,struct AST_States *states,struct AST_Events *events,struct AST_Transitions *transitions,struct AST_State *starting_state);
struct AST_Transitions* get_ast_transitions(struct Queue *transitions);


void delete_ast(struct AST* ast);
void delete_ast_event(struct AST_Event* ast);
void delete_ast_states(struct AST_States* ast);
void delete_ast_state(struct AST_State* ast);
void delete_ast_events(struct AST_Events* ast);
void delete_ast_transition(struct AST_Transition* ast);
void delete_ast_command(struct AST_Command* ast);
void delete_ast_pipeline(struct AST_Pipeline* ast);
void delete_ast_machine(struct AST_Machine* ast);
void delete_ast_transitions(struct AST_Transitions* ast);


void pointer_array_fill(void **array,struct Queue *q);
struct Queue* parse_list(struct AST *(*parser)(struct Translation_Data*),struct Translation_Data *translation_data,enum Keyword delim);

#endif