minishell/ast/include/ast.h
2024-06-11 16:08:12 +02:00

108 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ast.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/11 14:23:40 by maiboyer #+# #+# */
/* Updated: 2024/06/11 14:24:38 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef AST_H
#define AST_H
#include "ast/ast_forward_def.h"
#include "me/types.h"
/*
ast_statement:
case_statement
command
compound_statement
for_statement
function_definition
if_statement
list
negated_command
pipeline
redirected_statement
subshell
variable_assignment
variable_assignments
while_statement
ast_statement_not_pipeline == ast_statement-pipeline
ast_statement_not_subshell == ast_statement-subshell
*/
enum e_ast_node_kind
{
AST_EMPTY,
AST_COMMAND,
};
enum e_ast_word_kind
{
AST_WORD_NO_QUOTE,
AST_WORD_SINGLE_STRING,
AST_WORD_DOUBLE_QUOTED,
AST_WORD_BACK_QUOTED,
};
struct s_ast_empty
{
};
struct s_ast_raw_string
{
t_str str;
t_usize len;
};
/// @brief A string that is double quoted
/// @param parts this can be multiple things:
/// - a "raw" string (no processing needed)
/// - a expension (variable, command substitution, artihmetic expansion, etc.)
/// @param parts_len the number of parts in the string
struct s_ast_built_string
{
t_ast_node *parts;
t_usize parts_len;
};
struct s_ast_pipeline
{
t_ast_node *statements;
t_usize statements_len;
};
struct s_ast_word
{
t_ast_word_kind kind;
t_ast_node *inner;
};
struct s_ast_command
{
t_ast_node *prefixes;
t_ast_node *cmd_word;
t_ast_node *suffixes;
t_usize prefixes_len;
t_usize cmd_word_len;
t_usize suffixes_len;
};
union u_ast_node_data {
t_ast_empty empty;
t_ast_command command;
};
struct s_ast_node
{
t_ast_node_kind kind;
t_ast_node_data data;
};
#endif /* AST_H */