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620
ast/include/ast/ast.h
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620
ast/include/ast/ast.h
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ast.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/05/25 19:30:30 by maiboyer #+# #+# */
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/* Updated: 2024/05/25 19:31:22 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef AST_H
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#define AST_H
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#include "me/types.h"
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// Forward declaration
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typedef union u_ast_node t_ast_node;
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typedef struct s_ast_string t_ast_string;
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typedef struct s_name t_name;
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typedef struct s_word t_word;
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typedef struct s_assignment t_assignment;
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typedef union u_redirect t_redirect;
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typedef struct s_redirect_file t_redirect_file;
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typedef struct s_redirect_heredoc t_redirect_heredoc;
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typedef struct s_function_definition t_function_definition;
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typedef struct s_command t_command;
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typedef struct s_simple_command t_simple_command;
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typedef union u_compound_command t_compound_command;
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typedef struct s_assignments_list t_assignments_list;
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typedef struct s_brace_command t_brace_command;
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typedef struct s_subshell_command t_subshell_command;
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typedef struct s_if_command t_if_command;
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typedef struct s_if_clause t_if_clause;
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typedef struct s_elif_clause t_elif_clause;
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typedef struct s_else_clause t_else_clause;
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typedef struct s_for_command t_for_command;
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typedef struct s_case_command t_case_command;
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typedef struct s_case_item t_case_item;
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typedef struct s_while_command t_while_command;
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typedef struct s_until_command t_until_command;
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typedef struct s_parameter_expansion t_parameter_expansion;
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typedef struct s_arithmetic_expansion t_arithmetic_expansion;
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typedef struct s_command_substitution t_command_substitution;
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typedef struct s_command_backticks t_command_backticks;
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typedef struct s_compound_list t_compound_list;
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typedef struct s_sequential_list t_sequential_list;
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typedef struct s_async_command t_async_command;
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typedef struct s_and_list t_and_list;
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typedef struct s_or_list t_or_list;
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typedef struct s_and_or_list t_and_or_list;
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typedef struct s_not t_not;
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typedef struct s_pipe_list t_pipe_list;
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typedef struct s_program t_program;
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typedef struct s_assignment_list t_assignment_list;
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typedef union u_expension_or_string t_expension_or_string;
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typedef union u_expension t_expension;
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typedef struct s_redirect_or_assign t_redirect_or_assign;
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typedef struct s_redirect_or_word t_redirect_or_word;
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typedef union u_compound_command_body t_compound_command_body;
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typedef union u_program_body t_program_body;
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typedef union u_sequential_list_body t_sequential_list_body;
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typedef union u_async_command_body t_async_command_body;
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typedef union u_and_list_body t_and_list_body;
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typedef union u_or_list_body t_or_list_body;
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typedef union u_and_or_list_body t_and_or_list_body;
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typedef union u_not_body t_not_body;
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typedef union u_command_inner t_command_inner;
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typedef struct s_command_backticks t_command_backticks;
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typedef struct s_compound_list t_compound_list;
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typedef struct s_sequential_list t_sequential_list;
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typedef struct s_async_command t_async_command;
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typedef struct s_and_list t_and_list;
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typedef struct s_or_list t_or_list;
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typedef struct s_and_or_list t_and_or_list;
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typedef struct s_not t_not;
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typedef struct s_pipe_list t_pipe_list;
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typedef struct s_program t_program;
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typedef struct s_assignment_list t_assignment_list;
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typedef struct s_redirect_or_assign t_redirect_or_assign;
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typedef struct s_redirect_or_word t_redirect_or_word;
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typedef union u_compound_command_body t_compound_command_body;
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typedef union u_program_body t_program_body;
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typedef union u_sequential_list_body t_sequential_list_body;
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typedef union u_async_command_body t_async_command_body;
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typedef union u_and_list_body t_and_list_body;
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typedef union u_or_list_body t_or_list_body;
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typedef union u_and_or_list_body t_and_or_list_body;
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typedef union u_not_body t_not_body;
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typedef union u_command_inner t_command_inner;
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typedef union u_compond_list_body t_compound_list_body;
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/// @brief Node types enumeration
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/// @details This enumeration is used to identify the type of a node
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typedef enum e_ast_type
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{
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TY_EMPTY = 0,
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TY_PROGRAM,
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TY_COMPOUND_LIST,
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TY_SEQUENTIAL_LIST,
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TY_ASYNC_COMMAND,
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TY_AND_LIST,
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TY_OR_LIST,
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TY_AND_OR_LIST,
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TY_NOT,
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TY_PIPE_LIST
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} t_ast_type;
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/// Can be either a t_sequential_list, t_async_command, t_and_or_list, t_not,
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/// t_pipe_list or an t_command
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union u_program_body {
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t_ast_type *type;
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t_sequential_list *sequential_list;
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t_async_command *async_command;
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t_and_or_list *and_or_list;
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t_not *not_;
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t_pipe_list *pipe_list;
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t_command *command;
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};
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/// @brief Entry point of the AST
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struct s_program
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{
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t_ast_type type;
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t_program_body *cmds;
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t_usize cmds_len;
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};
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/// Can be either a t_sequential_list, t_async_command, t_and_or_list, t_not,
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/// t_pipe_list or an t_command
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union u_compond_list_body {
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t_ast_type *type;
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t_sequential_list *sequential_list;
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t_async_command *async_command;
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t_and_or_list *and_or_list;
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t_not *not_;
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t_pipe_list *pipe_list;
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t_command *command;
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};
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struct s_compound_list
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{
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t_ast_type type;
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t_compound_list_body *cmds;
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t_usize cmds_len;
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};
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/// Can be either a t_async_command, t_and_or_list, t_not, t_pipe_list or an
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/// t_command
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union u_sequential_list_body {
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t_ast_type *type;
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t_async_command *async_command;
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t_and_or_list *and_or_list;
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t_not *not_;
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t_pipe_list *pipe_list;
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t_command *command;
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};
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/// @note Commands that are separated by a semicolon ; shall be executed
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/// sequentially.
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/// @note Read more:
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/// http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_02_09_03_04
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/// @note Format: `command1; command2 [; command3 ] ... [;]`
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struct s_sequential_list
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{
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t_ast_type type;
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t_sequential_list_body *cmds;
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t_usize cmds_len;
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};
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/// Can be either a t_and_or_list, t_not t_pipe_list or t_command
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union u_async_command_body {
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t_ast_type *type;
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t_and_or_list *and_or_list;
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t_not *not_;
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t_pipe_list *pipe_list;
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t_command *command;
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};
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/// @note Commands that are ended by an & shall be executed asynchronously.
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struct s_async_command
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{
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t_ast_type type;
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t_async_command_body cmd;
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};
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/*
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Part of AND_OR list
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*/
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/// Can be either a t_not t_pipe_list or t_command.
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/// The first element CAN be an t_or_list
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union u_and_list_body {
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t_ast_type *type;
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t_pipe_list *pipe_list;
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t_command *cmd;
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t_or_list *or_list;
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};
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struct s_and_list
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{
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t_ast_type type;
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t_and_list_body *cmds;
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t_usize cmds_len;
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};
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/// Can be either a t_not t_pipe_list or t_command.
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/// The first element CAN be an t_and_list
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union u_or_list_body {
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t_ast_type *type;
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t_pipe_list *pipe_list;
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t_command *cmd;
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t_and_list *or_list;
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};
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struct s_or_list
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{
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t_ast_type type;
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t_or_list_body *cmds;
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t_usize cmds_len;
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};
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/// Either an ast_node of type `t_and_list` or `t_or_list`
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union u_and_or_list_body {
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t_ast_type *type;
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t_and_list *and_list;
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t_or_list *or_list;
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};
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struct s_and_or_list
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{
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t_ast_type type;
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t_and_or_list_body cmds;
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};
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/// Can be either a t_pipe_list or a t_command
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union u_not_body {
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t_ast_type *type;
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t_pipe_list *pipe_list;
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t_command *cmd;
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};
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struct s_not
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{
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t_ast_type type;
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t_not_body cmd;
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};
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struct s_pipe_list
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{
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t_ast_type type;
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t_command *cmds;
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t_usize cmds_len;
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};
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union u_command_inner {
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t_ast_type *type;
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t_simple_command *simple_command;
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t_compound_command *compound_command;
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t_assignments_list *assignments_list;
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t_function_definition *function_definition;
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};
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/// Can be either an t_simple_command, t_compound_command, t_assignments_list or
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/// t_function_definition
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struct s_command
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{
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t_ast_type type;
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t_command_inner inner;
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};
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union u_redirect_or_assign {
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t_ast_type *type;
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t_redirect *redirect;
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t_assignment_list *assignments;
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};
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union u_redirect_or_word {
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t_ast_type *type;
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t_redirect *redirect;
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t_word *word;
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};
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struct s_simple_command
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{
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t_ast_type type;
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u_redirect_or_assign *prefix;
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t_usize prefix_len;
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t_word *_Nullable cmd;
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t_redirect_or_word *suffix;
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t_usize suffix_len;
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};
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/// @note Format: `{ compound-list ; }`
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struct s_compound_command
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{
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t_ast_type type;
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t_compound_command_body *body;
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t_redirect *redirects;
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t_usize redirects_len;
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};
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typedef enum e_assignement_modifier
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{
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AM_NONE = 0,
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AM_EXPORT,
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AM_LOCAL,
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AM_READONLY,
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} t_assignement_modifier;
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struct s_assignment_list
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{
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t_ast_type type;
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t_assignment *assignments;
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t_usize assignments_len;
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t_assignement_modifier modifier;
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};
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// Compound command
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// Can be either a t_brace_command, t_subshell_command, t_if_command,
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// t_for_command, t_case_command, t_while_command, t_until_command
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union u_compound_command {
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t_ast_type *type;
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t_brace_command *brace_command;
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t_subshell_command *subshell_command;
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t_if_command *if_command;
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t_for_command *for_command;
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t_case_command *case_command;
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t_while_command *while_command;
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t_until_command *until_command;
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};
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struct s_brace_command
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{
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t_ast_type type;
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t_compound_list *body;
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t_redirect *redirects;
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t_usize redirects_len;
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};
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struct s_subshell_command
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{
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t_ast_type type;
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t_compound_list *_Nullable body;
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t_redirect *redirects;
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t_usize redirects_len;
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};
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union u_if_clause {
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t_ast_type *type;
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t_if_clause *if_clause;
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t_elif_clause *elif_clause;
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t_else_clause *else_clause;
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};
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struct s_if_command
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{
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t_ast_type type;
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t_if_clause *clauses;
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t_usize clauses_len;
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t_redirect *redirect;
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t_usize redirect_len;
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};
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struct s_if_clause
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{
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t_ast_type type;
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t_compound_list *condition;
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t_compound_list *body;
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};
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struct s_elif_clause
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{
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t_ast_type type;
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t_compound_list *condition;
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t_compound_list *body;
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};
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struct s_else_clause
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{
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t_ast_type type;
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||||||
|
t_compound_list *body;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_for_command
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_name *var;
|
||||||
|
t_word *items;
|
||||||
|
t_usize items_len;
|
||||||
|
t_compound_list *body;
|
||||||
|
t_redirect *redirects;
|
||||||
|
t_usize redirects_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_case_command
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_name *var;
|
||||||
|
t_case_item *cases;
|
||||||
|
t_usize cases_len;
|
||||||
|
t_redirect *redirects;
|
||||||
|
t_usize redirects_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_case_item
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_word *pattern;
|
||||||
|
t_usize pattern_len;
|
||||||
|
t_compound_list *body;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_while_command
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_compound_list *condition;
|
||||||
|
t_compound_list *body;
|
||||||
|
t_redirect *redirects;
|
||||||
|
t_usize redirects_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_until_command
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_compound_list *condition;
|
||||||
|
t_compound_list *body;
|
||||||
|
t_redirect *redirects;
|
||||||
|
t_usize redirects_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_function_definition
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_name *name;
|
||||||
|
t_compound_command *body;
|
||||||
|
t_redirect *redirects;
|
||||||
|
t_usize redirects_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Can be either a t_redirect_file or t_redirect_heredoc
|
||||||
|
union u_redirect {
|
||||||
|
t_ast_type *type;
|
||||||
|
t_redirect_file *file;
|
||||||
|
t_redirect_heredoc *heredoc;
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef enum e_redirect_file_op
|
||||||
|
{
|
||||||
|
RO_INPUT, // <
|
||||||
|
RO_OUTPUT, // >
|
||||||
|
RO_APPEND, // >>
|
||||||
|
RO_DUP_INPUT, // <&
|
||||||
|
RO_DUP_OUTPUT, // >&
|
||||||
|
RO_CLOBBER, // >|
|
||||||
|
RO_INPUT_OUPUT, // <>
|
||||||
|
} t_redirect_file_op;
|
||||||
|
|
||||||
|
struct s_redirect_file
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_isize fd;
|
||||||
|
t_redirect_file_op op;
|
||||||
|
t_word *file;
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef enum e_redirect_heredoc_op
|
||||||
|
{
|
||||||
|
RH_HEREDOC, // <<
|
||||||
|
RH_HEREDOC_IDENT // <<-
|
||||||
|
} t_redirect_heredoc_op;
|
||||||
|
|
||||||
|
struct s_redirect_heredoc
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_isize fd;
|
||||||
|
t_redirect_heredoc_op op;
|
||||||
|
t_word *delimiter;
|
||||||
|
t_word *content;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_assignment
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_ast_string *name;
|
||||||
|
t_word *_Nullable value;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_ast_string
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_str *value;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_name
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_ast_string *value;
|
||||||
|
};
|
||||||
|
|
||||||
|
// Can be either a t_expension or a t_ast_string
|
||||||
|
union u_expension_or_string {
|
||||||
|
t_ast_type *type;
|
||||||
|
t_expension *expension;
|
||||||
|
t_ast_string *string;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_word
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_expension_or_string *contents;
|
||||||
|
t_usize contents_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define OP_NONE 0
|
||||||
|
|
||||||
|
typedef enum e_op_pre
|
||||||
|
{
|
||||||
|
OP_PRE_HASH = 1, // '#'
|
||||||
|
} t_op_pre;
|
||||||
|
|
||||||
|
typedef enum e_op_in
|
||||||
|
{
|
||||||
|
OP_IN_COLON_MINUS = 1, // ':-'
|
||||||
|
OP_IN_MINUS, // '-'
|
||||||
|
OP_IN_COLON_EQUAL, // ':='
|
||||||
|
OP_IN_EQUAL, // '='
|
||||||
|
OP_IN_COLON_QUESTION, // ':?'
|
||||||
|
OP_IN_QUESTION, // '?'
|
||||||
|
OP_IN_COLON_PLUS, // ':+'
|
||||||
|
OP_IN_PLUS, // '+'
|
||||||
|
OP_IN_PERCENT_PERCENT, // '%%'
|
||||||
|
OP_IN_PERCENT, // '%'
|
||||||
|
OP_IN_HASH_HASH, // '##'
|
||||||
|
OP_IN_HASH, // '#'
|
||||||
|
OP_IN_COLON, // ':'
|
||||||
|
OP_IN_SLASH_SLASH, // '//'
|
||||||
|
OP_IN_SLASH, // '/'
|
||||||
|
} t_op_in;
|
||||||
|
|
||||||
|
/// is either a t_parameter_expansion, t_arithmetic_expansion,
|
||||||
|
/// t_command_substitution or t_command_backticks
|
||||||
|
union u_expension {
|
||||||
|
t_ast_type *type;
|
||||||
|
t_parameter_expansion *parameter_expansion;
|
||||||
|
t_arithmetic_expansion *arithmetic_expansion;
|
||||||
|
t_command_substitution *command_substitution;
|
||||||
|
t_command_backticks *command_backticks;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_parameter_expansion
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_op_in op_pre;
|
||||||
|
t_ast_string *param;
|
||||||
|
t_op_in op_in;
|
||||||
|
t_ast_string *_Nullable word;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_arithmetic_expansion
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_ast_string *expr;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_command_substitution
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_compound_list *cmds;
|
||||||
|
t_usize cmds_len;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct s_command_backticks
|
||||||
|
{
|
||||||
|
t_ast_type type;
|
||||||
|
t_ast_string *text;
|
||||||
|
};
|
||||||
|
|
||||||
|
union u_ast_node {
|
||||||
|
t_ast_type type;
|
||||||
|
t_assignment_list assignment_list;
|
||||||
|
t_expension expension;
|
||||||
|
t_program_body program_body;
|
||||||
|
t_sequential_list_body sequential_list_body;
|
||||||
|
t_async_command_body async_command_body;
|
||||||
|
t_and_list_body and_list_body;
|
||||||
|
t_or_list_body or_list_body;
|
||||||
|
t_and_or_list_body and_or_list_body;
|
||||||
|
t_not_body not_body;
|
||||||
|
t_command_inner command_inner;
|
||||||
|
t_compound_list_body compound_list_body;
|
||||||
|
t_program program;
|
||||||
|
t_compound_list compound_list;
|
||||||
|
t_sequential_list sequential_list;
|
||||||
|
t_async_command async_command;
|
||||||
|
t_and_list and_list;
|
||||||
|
t_or_list or_list;
|
||||||
|
t_and_or_list and_or_list;
|
||||||
|
t_not not_;
|
||||||
|
t_command command;
|
||||||
|
t_pipe_list pipe_list;
|
||||||
|
t_simple_command simple_command;
|
||||||
|
t_compound_command compound_command;
|
||||||
|
t_function_definition function_definition;
|
||||||
|
t_redirect redirect;
|
||||||
|
t_redirect_file redirect_file;
|
||||||
|
t_redirect_heredoc redirect_heredoc;
|
||||||
|
t_assignment assignment;
|
||||||
|
t_ast_string ast_string;
|
||||||
|
t_name name;
|
||||||
|
t_word word;
|
||||||
|
t_parameter_expansion parameter_expansion;
|
||||||
|
t_arithmetic_expansion arithmetic_expansion;
|
||||||
|
t_command_substitution command_substitution;
|
||||||
|
t_command_backticks command_backticks;
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif /* AST_H */
|
||||||
Loading…
Add table
Add a link
Reference in a new issue