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#[macro_export]
macro_rules! stmt_simple {
( $i:expr, $cmd: expr ) => ({
use nom::multispace;
chaining_parser!($i, 0usize,
tag!("{%") ~
l: opt!(tag!("-")) ~
many0!(multispace) ~
tag!($cmd) ~
many0!(multispace) ~
r: opt!(tag!("-")) ~
tag!("%}") ,
|| SimpleStatement { strip_left: l.is_some(), strip_right: r.is_some() }
)
});
}
#[macro_export]
macro_rules! stmt_named {
( $i:expr, $cmd: expr ) => ({
use nom::multispace;
use parser::expressions::identifier;
chaining_parser!($i, 0usize,
tag!("{%") ~
l: opt!(tag!("-")) ~
many0!(multispace) ~
tag!($cmd) ~
many0!(multispace) ~
e: identifier ~
many0!(multispace) ~
r: opt!(tag!("-")) ~
tag!("%}") ,
|| NamedStatement { strip_left: l.is_some(), strip_right: r.is_some(), name: e }
)
});
}
#[macro_export]
macro_rules! stmt_expr {
( $i:expr, $cmd: expr ) => ({
use nom::multispace;
use parser::expressions::full_expression;
chaining_parser!($i, 0usize,
tag!("{%") ~
l: opt!(tag!("-")) ~
many0!(multispace) ~
tag!($cmd) ~
many0!(multispace) ~
e: full_expression ~
many0!(multispace) ~
r: opt!(tag!("-")) ~
tag!("%}") ,
|| ExprStatement { strip_left: l.is_some(), strip_right: r.is_some(), expression: e }
)
});
}
#[macro_export]
macro_rules! take_till_slc (
($input:expr, $submac:ident!( $($args:tt)* )) => (
{
use nom::InputLength;
match $input.iter().enumerate().position(|(i, _)| $submac!(&$input[i..], $($args)*)) {
Some(n) => IResult::Done(&$input[n..], &$input[..n]),
None => IResult::Done(&$input[($input).input_len()..], $input)
}
}
);
($input:expr, $f:expr) => (
take_till_slc!($input, call!($f));
);
);