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author | Dirkjan Ochtman <dirkjan@ochtman.nl> | 2023-07-03 10:12:59 +0200 |
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committer | Dirkjan Ochtman <dirkjan@ochtman.nl> | 2023-07-31 10:27:15 +0200 |
commit | 40239f0f20de05b890c703f464a4f6d00a485918 (patch) | |
tree | 6dbcfa86cb5ccf9a828002479bfbdf7c129df6fc /askama_parser/src/expr.rs | |
parent | ea1b4f9c41ca59b69b3caf0e8b495516153e87a2 (diff) | |
download | askama-40239f0f20de05b890c703f464a4f6d00a485918.tar.gz askama-40239f0f20de05b890c703f464a4f6d00a485918.tar.bz2 askama-40239f0f20de05b890c703f464a4f6d00a485918.zip |
parser: move single expr parsers into Expr impl
Diffstat (limited to 'askama_parser/src/expr.rs')
-rw-r--r-- | askama_parser/src/expr.rs | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/askama_parser/src/expr.rs b/askama_parser/src/expr.rs index 415b8f4..4bed4af 100644 --- a/askama_parser/src/expr.rs +++ b/askama_parser/src/expr.rs @@ -126,80 +126,80 @@ impl<'a> Expr<'a> { } Ok((i, expr)) } -} -fn expr_bool_lit(i: &str) -> IResult<&str, Expr<'_>> { - map(bool_lit, Expr::BoolLit)(i) -} + fn single(i: &'a str) -> IResult<&'a str, Self> { + alt(( + Self::bool, + Self::num, + Self::str, + Self::char, + Self::path, + Self::array, + Self::var, + Self::group, + ))(i) + } -fn expr_num_lit(i: &str) -> IResult<&str, Expr<'_>> { - map(num_lit, Expr::NumLit)(i) -} + fn group(i: &'a str) -> IResult<&'a str, Self> { + let (i, expr) = preceded(ws(char('(')), opt(Self::parse))(i)?; + let expr = match expr { + Some(expr) => expr, + None => { + let (i, _) = char(')')(i)?; + return Ok((i, Self::Tuple(vec![]))); + } + }; -fn expr_array_lit(i: &str) -> IResult<&str, Expr<'_>> { - delimited( - ws(char('[')), - map(separated_list1(ws(char(',')), Expr::parse), Expr::Array), - ws(char(']')), - )(i) -} + let (i, comma) = ws(opt(peek(char(','))))(i)?; + if comma.is_none() { + let (i, _) = char(')')(i)?; + return Ok((i, Self::Group(Box::new(expr)))); + } -fn expr_str_lit(i: &str) -> IResult<&str, Expr<'_>> { - map(str_lit, Expr::StrLit)(i) -} + let mut exprs = vec![expr]; + let (i, _) = fold_many0( + preceded(char(','), ws(Self::parse)), + || (), + |_, expr| { + exprs.push(expr); + }, + )(i)?; + let (i, _) = pair(ws(opt(char(','))), char(')'))(i)?; + Ok((i, Self::Tuple(exprs))) + } -fn expr_char_lit(i: &str) -> IResult<&str, Expr<'_>> { - map(char_lit, Expr::CharLit)(i) -} + fn array(i: &'a str) -> IResult<&'a str, Self> { + delimited( + ws(char('[')), + map(separated_list1(ws(char(',')), Self::parse), Self::Array), + ws(char(']')), + )(i) + } -fn expr_var(i: &str) -> IResult<&str, Expr<'_>> { - map(identifier, Expr::Var)(i) -} + fn path(i: &'a str) -> IResult<&'a str, Self> { + let (i, path) = path(i)?; + Ok((i, Self::Path(path))) + } -fn expr_path(i: &str) -> IResult<&str, Expr<'_>> { - let (i, path) = path(i)?; - Ok((i, Expr::Path(path))) -} + fn var(i: &'a str) -> IResult<&'a str, Self> { + map(identifier, Self::Var)(i) + } -fn expr_group(i: &str) -> IResult<&str, Expr<'_>> { - let (i, expr) = preceded(ws(char('(')), opt(Expr::parse))(i)?; - let expr = match expr { - Some(expr) => expr, - None => { - let (i, _) = char(')')(i)?; - return Ok((i, Expr::Tuple(vec![]))); - } - }; + fn str(i: &'a str) -> IResult<&'a str, Self> { + map(str_lit, Self::StrLit)(i) + } - let (i, comma) = ws(opt(peek(char(','))))(i)?; - if comma.is_none() { - let (i, _) = char(')')(i)?; - return Ok((i, Expr::Group(Box::new(expr)))); + fn num(i: &'a str) -> IResult<&'a str, Self> { + map(num_lit, Self::NumLit)(i) } - let mut exprs = vec![expr]; - let (i, _) = fold_many0( - preceded(char(','), ws(Expr::parse)), - || (), - |_, expr| { - exprs.push(expr); - }, - )(i)?; - let (i, _) = pair(ws(opt(char(','))), char(')'))(i)?; - Ok((i, Expr::Tuple(exprs))) -} + fn char(i: &'a str) -> IResult<&'a str, Self> { + map(char_lit, Self::CharLit)(i) + } -fn expr_single(i: &str) -> IResult<&str, Expr<'_>> { - alt(( - expr_bool_lit, - expr_num_lit, - expr_str_lit, - expr_char_lit, - expr_path, - expr_array_lit, - expr_var, - expr_group, - ))(i) + fn bool(i: &'a str) -> IResult<&'a str, Self> { + map(bool_lit, Self::BoolLit)(i) + } } enum Suffix<'a> { @@ -213,7 +213,7 @@ enum Suffix<'a> { impl<'a> Suffix<'a> { fn parse(i: &'a str) -> IResult<&'a str, Expr<'a>> { - let (mut i, mut expr) = expr_single(i)?; + let (mut i, mut expr) = Expr::single(i)?; loop { let (j, suffix) = opt(alt(( Self::attr, |