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107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2026 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef TMUX_PARSER_H
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#define TMUX_PARSER_H
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#include <sys/types.h>
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#include <stdio.h>
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/*
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* Parsed command tree.
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*
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* The parser builds syntax only. It does not expand formats, environment
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* variables, or ~, does not evaluate %if/%elif, does not expand aliases, and
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* does not build struct cmd. That is an execution-time operation.
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*
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* Command failure scope is represented by CMD_PARSE_SEQUENCE: if an invoked
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* command or assignment fails, the invoker skips the remaining children of
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* that sequence. No explicit group ID is stored in the tree.
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*/
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struct cmd_parse_tree;
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struct cmd_parse_node;
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struct args_value;
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struct cmd_parse_input {
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int flags;
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#define CMD_PARSE_QUIET 0x1
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#define CMD_PARSE_PARSEONLY 0x2
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#define CMD_PARSE_NOALIAS 0x4
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#define CMD_PARSE_VERBOSE 0x8
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#define CMD_PARSE_ONEGROUP 0x10
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const char *file;
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u_int line;
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};
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enum cmd_parse_node_type {
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CMD_PARSE_ROOT,
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CMD_PARSE_SEQUENCE,
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CMD_PARSE_COMMAND,
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CMD_PARSE_STRING,
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CMD_PARSE_COMMANDS,
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CMD_PARSE_TEXT,
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CMD_PARSE_ENVIRONMENT,
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CMD_PARSE_TILDE,
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CMD_PARSE_ASSIGN,
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CMD_PARSE_HIDDEN_ASSIGN,
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CMD_PARSE_IF,
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CMD_PARSE_ELIF,
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CMD_PARSE_ELSE
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};
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#define CMD_PARSE_PRINT_MULTILINE 0x1
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struct cmd_parse_tree *cmd_parse_from_file(FILE *, struct cmd_parse_input *,
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char **);
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struct cmd_parse_tree *cmd_parse_from_buffer(const void *, size_t,
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struct cmd_parse_input *, char **);
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struct cmd_parse_tree *cmd_parse_from_string(const char *,
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struct cmd_parse_input *, char **);
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struct cmd_parse_tree *cmd_parse_from_node(struct cmd_parse_tree *,
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struct cmd_parse_node *);
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struct cmd_parse_tree *cmd_parse_from_arguments(struct args_value *, u_int,
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struct cmd_parse_input *);
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int cmd_parse_expand_alias(struct cmd_parse_tree *,
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struct cmd_parse_node *, struct cmd_parse_tree **,
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char **);
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struct cmd_parse_tree *cmd_parse_add_ref(struct cmd_parse_tree *);
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int cmd_parse_any_have(struct cmd_parse_tree *, int);
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void cmd_parse_free(struct cmd_parse_tree *);
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struct cmd_parse_node *cmd_parse_root(struct cmd_parse_tree *);
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const char *cmd_parse_file(struct cmd_parse_tree *);
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int cmd_parse_flags(struct cmd_parse_tree *);
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char *cmd_parse_print(struct cmd_parse_tree *, int);
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void cmd_parse_log(const char *, struct cmd_parse_tree *);
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void cmd_parse_log_node(const char *,
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struct cmd_parse_node *);
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enum cmd_parse_node_type cmd_parse_node_type(struct cmd_parse_node *);
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const char *cmd_parse_node_type_string(enum cmd_parse_node_type);
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const char *cmd_parse_node_value(struct cmd_parse_node *);
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u_int cmd_parse_node_line(struct cmd_parse_node *);
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struct cmd_parse_node *cmd_parse_node_first_child(struct cmd_parse_node *);
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struct cmd_parse_node *cmd_parse_node_next(struct cmd_parse_node *);
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#endif /* TMUX_PARSER_H */
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