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120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
/** \file parse_util.h
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Various mostly unrelated utility functions related to parsing,
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loading and evaluating fish code.
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*/
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#ifndef FISH_PARSE_UTIL_H
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#define FISH_PARSE_UTIL_H
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#include <wchar.h>
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/**
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Find the beginning and end of the first subshell in the specified string.
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\param in the string to search for subshells
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\param begin the starting paranthesis of the subshell
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\param end the ending paranthesis of the subshell
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\param flags set this variable to ACCEPT_INCOMPLETE if in tab_completion mode
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\return -1 on syntax error, 0 if no subshells exist and 1 on sucess
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*/
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int parse_util_locate_cmdsubst( const wchar_t *in,
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const wchar_t **begin,
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const wchar_t **end,
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int allow_incomplete );
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/**
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Find the beginning and end of the command substitution under the cursor
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\param buff the string to search for subshells
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\param cursor_pos the position of the cursor
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\param a the start of the searched string
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\param b the end of the searched string
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*/
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void parse_util_cmdsubst_extent( const wchar_t *buff,
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int cursor_pos,
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const wchar_t **a,
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const wchar_t **b );
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/**
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Find the beginning and end of the process definition under the cursor
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\param buff the string to search for subshells
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\param cursor_pos the position of the cursor
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\param a the start of the searched string
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\param b the end of the searched string
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*/
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void parse_util_process_extent( const wchar_t *buff,
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int cursor_pos,
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const wchar_t **a,
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const wchar_t **b );
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/**
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Find the beginning and end of the job definition under the cursor
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\param buff the string to search for subshells
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\param cursor_pos the position of the cursor
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\param a the start of the searched string
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\param b the end of the searched string
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*/
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void parse_util_job_extent( const wchar_t *buff,
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int cursor_pos,
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const wchar_t **a,
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const wchar_t **b );
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/**
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Find the beginning and end of the token under the cursor
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\param buff the string to search for subshells
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\param cursor_pos the position of the cursor
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\param a the start of the searched string
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\param b the end of the searched string
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*/
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void parse_util_token_extent( const wchar_t *buff,
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int cursor_pos,
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const wchar_t **tok_begin,
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const wchar_t **tok_end,
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const wchar_t **prev_begin,
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const wchar_t **prev_end );
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/**
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Get the linenumber at the specified character offset
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*/
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int parse_util_lineno( const wchar_t *str, int len );
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/**
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Autoload the specified file, if it exists in the specified path. Do
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not load it multiple times unless it's timestamp changes.
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\param cmd the filename to search for. The suffix '.fish' is always added to this name
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\param path_var_name the name of an environment variable containing a search path
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\param on_load a callback function to run if a suitable file is found, which has not already been run
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\param reload wheter to recheck file timestamps on already loaded files
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*/
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int parse_util_load( const wchar_t *cmd,
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const wchar_t *path_var_name,
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void (*on_load)(const wchar_t *cmd),
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int reload );
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/**
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Reset the loader for the specified path variable
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*/
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void parse_util_load_reset( const wchar_t *path_var );
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/**
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Set the argv environment variable to the specified null-terminated
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array of strings.
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*/
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void parse_util_set_argv( wchar_t **argv );
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/**
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Make a duplicate of the specified string, unescape wildcard
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characters but not performing any other character transformation.
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*/
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wchar_t *parse_util_unescape_wildcards( const wchar_t *in );
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#endif
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