42sh/src/parser/parsing_utils.h

#ifndef PARSING_UTILS_H
#define PARSING_UTILS_H

// === Macros

#define PEEK_TOKEN()                                                           \
    peek_token();                                                              \
    if (token == NULL)                                                         \
    {                                                                          \
        puts("Internal error: cannot get the following token");                \
        return NULL;                                                           \
    }

#define POP_TOKEN()                                                            \
    pop_token();                                                               \
    if (token == NULL)                                                         \
    {                                                                          \
        puts("Internal error: cannot get the following token");                \
        return NULL;                                                           \
    }
/* @brief Parses a simple list of words (command and arguments)
 * and returns the resulting ast
 */
struct ast *parse_simple_command(void);

/* 
 */
struct ast *parse_if_rule(void);

/*
 */
struct ast *parse_shell_command(void);

/* @brief parses commands inside if/else clauses and returns the corresponding
 * AST list
 */
struct ast* parse_compound_list(void);

/*
 */
struct ast* parse_and_or(void);

/*
 */
struct ast* parse_else_clause(void);

#define /* ! PARSING_UTILS_H */