fish-shell/parser_keywords.cpp

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/** \file parser_keywords.c
Functions having to do with parser keywords, like testing if a function is a block command.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include "fallback.h"
#include "common.h"
#include "parser_keywords.h"
bool parser_keywords_is_switch( const wcstring &cmd )
{
if( cmd == L"--" )
return ARG_SKIP;
else
return ! cmd.empty() && cmd.at(0) == L'-';
}
bool parser_keywords_skip_arguments( const wcstring &cmd )
{
return contains( cmd,
L"else",
L"begin" );
}
bool parser_keywords_is_subcommand( const wcstring &cmd )
{
return parser_keywords_skip_arguments( cmd ) ||
contains( cmd,
L"command",
L"builtin",
L"while",
L"exec",
L"if",
L"and",
L"or",
L"not" );
}
bool parser_keywords_is_block( const wcstring &word)
{
return contains( word,
L"for",
L"while",
L"if",
L"function",
L"switch",
L"begin" );
}
bool parser_keywords_is_reserved( const wcstring &word)
{
return parser_keywords_is_block(word) ||
parser_keywords_is_subcommand( word ) ||
contains( word,
L"end",
L"case",
L"else",
L"return",
L"continue",
L"break" );
}