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#![cfg(feature = "parsing")]
#[macro_export]
macro_rules! do_parse (
($i:expr, $($rest:tt)*) => (
{
do_parse_impl!($i, 0usize, $($rest)*)
}
);
);
#[doc(hidden)]
#[macro_export]
macro_rules! do_parse_impl (
($i:expr, $consumed:expr, ( $($rest:expr),* )) => (
::nom::IResult::Done($i, ( $($rest),* ))
);
($i:expr, $consumed:expr, $e:ident >> $($rest:tt)*) => (
do_parse_impl!($i, $consumed, call!($e) >> $($rest)*);
);
($i:expr, $consumed:expr, $submac:ident!( $($args:tt)* ) >> $($rest:tt)*) => (
{
match $submac!($i, $($args)*) {
::nom::IResult::Error(e) => ::nom::IResult::Error(e),
::nom::IResult::Incomplete(::nom::Needed::Unknown) =>
::nom::IResult::Incomplete(::nom::Needed::Unknown),
::nom::IResult::Incomplete(::nom::Needed::Size(i)) =>
::nom::IResult::Incomplete(::nom::Needed::Size($consumed + i)),
::nom::IResult::Done(i,_) => {
do_parse_impl!(i,
$consumed + (::nom::InputLength::input_len(&($i)) -
::nom::InputLength::input_len(&i)), $($rest)*)
},
}
}
);
($i:expr, $consumed:expr, $field:ident : $e:ident >> $($rest:tt)*) => (
do_parse_impl!($i, $consumed, $field: call!($e) >> $($rest)*);
);
($i:expr, $consumed:expr, $field:ident : $submac:ident!( $($args:tt)* ) >> $($rest:tt)*) => (
{
match $submac!($i, $($args)*) {
::nom::IResult::Error(e) => ::nom::IResult::Error(e),
::nom::IResult::Incomplete(::nom::Needed::Unknown) =>
::nom::IResult::Incomplete(::nom::Needed::Unknown),
::nom::IResult::Incomplete(::nom::Needed::Size(i)) =>
::nom::IResult::Incomplete(::nom::Needed::Size($consumed + i)),
::nom::IResult::Done(i,o) => {
let $field = o;
do_parse_impl!(i,
$consumed + (::nom::InputLength::input_len(&($i)) -
::nom::InputLength::input_len(&i)), $($rest)*)
},
}
}
);
($i:expr, $consumed:expr, $e:ident >> ( $($rest:tt)* )) => (
do_parse_impl!($i, $consumed, call!($e) >> ( $($rest)* ));
);
($i:expr, $consumed:expr, $submac:ident!( $($args:tt)* ) >> ( $($rest:tt)* )) => (
match $submac!($i, $($args)*) {
::nom::IResult::Error(e) => ::nom::IResult::Error(e),
::nom::IResult::Incomplete(::nom::Needed::Unknown) =>
::nom::IResult::Incomplete(::nom::Needed::Unknown),
::nom::IResult::Incomplete(::nom::Needed::Size(i)) =>
::nom::IResult::Incomplete(::nom::Needed::Size($consumed + i)),
::nom::IResult::Done(i,_) => {
::nom::IResult::Done(i, ( $($rest)* ))
},
}
);
($i:expr, $consumed:expr, $field:ident : $e:ident >> ( $($rest:tt)* )) => (
do_parse_impl!($i, $consumed, $field: call!($e) >> ( $($rest)* ) );
);
($i:expr, $consumed:expr, $field:ident : $submac:ident!( $($args:tt)* ) >> ( $($rest:tt)* )) => (
match $submac!($i, $($args)*) {
::nom::IResult::Error(e) => ::nom::IResult::Error(e),
::nom::IResult::Incomplete(::nom::Needed::Unknown) =>
::nom::IResult::Incomplete(::nom::Needed::Unknown),
::nom::IResult::Incomplete(::nom::Needed::Size(i)) =>
::nom::IResult::Incomplete(::nom::Needed::Size($consumed + i)),
::nom::IResult::Done(i,o) => {
let $field = o;
::nom::IResult::Done(i, ( $($rest)* ))
},
}
);
);