parse_constants.rs: stop decoding UTF-8 when parsing keywords

Unfortunately we cannot use wide string literals in match statements
(not sure if there's an easy fix).
Because of this, I converted the input to UTF-8 so we could use the match
statement. This conversion is confusing, let's skip it.
This commit is contained in:
Johannes Altmanninger 2023-03-26 14:58:44 +02:00
parent b8189da011
commit 16fa942074

View file

@ -328,27 +328,27 @@ fn keyword_description(keyword: ParseKeyword) -> wcharz_t {
}
impl From<&wstr> for ParseKeyword {
#[widestrs]
fn from(s: &wstr) -> Self {
let s: Vec<u8> = s.encode_utf8().collect();
match unsafe { std::str::from_utf8_unchecked(&s) } {
"!" => ParseKeyword::kw_exclam,
"and" => ParseKeyword::kw_and,
"begin" => ParseKeyword::kw_begin,
"builtin" => ParseKeyword::kw_builtin,
"case" => ParseKeyword::kw_case,
"command" => ParseKeyword::kw_command,
"else" => ParseKeyword::kw_else,
"end" => ParseKeyword::kw_end,
"exec" => ParseKeyword::kw_exec,
"for" => ParseKeyword::kw_for,
"function" => ParseKeyword::kw_function,
"if" => ParseKeyword::kw_if,
"in" => ParseKeyword::kw_in,
"not" => ParseKeyword::kw_not,
"or" => ParseKeyword::kw_or,
"switch" => ParseKeyword::kw_switch,
"time" => ParseKeyword::kw_time,
"while" => ParseKeyword::kw_while,
match s {
_ if s == "!"L => ParseKeyword::kw_exclam,
_ if s == "and"L => ParseKeyword::kw_and,
_ if s == "begin"L => ParseKeyword::kw_begin,
_ if s == "builtin"L => ParseKeyword::kw_builtin,
_ if s == "case"L => ParseKeyword::kw_case,
_ if s == "command"L => ParseKeyword::kw_command,
_ if s == "else"L => ParseKeyword::kw_else,
_ if s == "end"L => ParseKeyword::kw_end,
_ if s == "exec"L => ParseKeyword::kw_exec,
_ if s == "for"L => ParseKeyword::kw_for,
_ if s == "function"L => ParseKeyword::kw_function,
_ if s == "if"L => ParseKeyword::kw_if,
_ if s == "in"L => ParseKeyword::kw_in,
_ if s == "not"L => ParseKeyword::kw_not,
_ if s == "or"L => ParseKeyword::kw_or,
_ if s == "switch"L => ParseKeyword::kw_switch,
_ if s == "time"L => ParseKeyword::kw_time,
_ if s == "while"L => ParseKeyword::kw_while,
_ => ParseKeyword::none,
}
}