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# include <stdlib.h>
# include <stdlib.h>
# include <stdbool.h>
typedef enum e_sep
{
SEP_END,
SEP_PIPE,
SEP_AND,
SEP_OR,
} t_sep;
struct s_ast;
/*
** \brief Line struct
** \param left AST to the left of separator
** \param right AST to the right of separator
** \param sep Type of separator
*/
typedef struct s_line
{
struct s_ast *left;
struct s_ast *right;
struct s_ast *parent;
t_sep sep;
} t_line;
/*
** \brief Command struct
** \param argv Array of string,
** all arguments beginning with executable name
** \param in STDIN redirection filename
** \param out STDOUT redirection filename
** \param is_append True if out redirection is append to file
*/
typedef struct s_cmd
{
char *str;
char *in;
char *out;
bool is_append;
} t_cmd;
/*
** \brief AST node tag (type)
** \param TAG_CMD Command AST node
** \param TAG_LINE Line AST node
*/
typedef enum e_ast_tag
{
TAG_CMD,
TAG_LINE,
} t_ast_tag;
/*
** \brief AST node struct
** \param tag Node tag
** \param cmd Command struct
** \param line Line struct
*/
typedef struct s_ast
{
t_ast_tag tag;
union
{
t_line line;
t_cmd cmd;
} ;
} t_ast;
typedef struct s_return
{
t_ast *result;
char **rest;
} t_return;
t_return *parse_nw(char **input);
t_return *parse(t_return *nw, char **input);
/* utils*/
int verif_part(char **input, char chr);
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