Parsers/source-stream-0.rs
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Added ability to specify char type in 'parser_fn_decl!'

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Andrew Golovashevich 2025-11-20 01:04:04 +03:00
parent cac9602470
commit be8e477ecc
1 changed files with 76 additions and 34 deletions
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110
src/macros/parser_fn_decl.rs
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@ -1,87 +1,129 @@
#[macro_export] #[macro_export]
macro_rules! parser_fn_decl { macro_rules! parser_fn_decl {
// only type generics | default src type ------------------------------------------------------- // unknown char type | custom src type ---------------------------------------------------------
( (
$scope:vis fn $name:ident $scope:vis fn $name:ident
$(< <
$generic0Name:ident $(: $generic0Bound:path)? C=?
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)? $(, $lifetimeName:lifetime)*
>)? $(, $genericName:ident $(: $genericBound:path)?)*
($srcName:ident : $srcType:ty $(, $argNName:ident : $argNType:ty)* $(,)?) $(,)?
>
(
$srcName:ident : $srcType:ty
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)? $(-> $ret:ty)?
$body:block $body:block
) => { ) => {
$scope fn $name $scope fn $name
< <
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source> 'source, 'pos,
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )? $( $lifetimeName, )*
C:Copy, P:Pos<'pos>, CS:CollectedSubstring<'source, C=C>
$(, $genericName $(: $genericBound)?)*
> >
($srcName: $srcType $(, $argNName : $argNType)*) (
$srcName: $srcType
$(, $argName : $argType)*
)
$(-> $ret)? $(-> $ret)?
$body $body
}; };
// lifetime + type generics | default src type -------------------------------------------------- // explicit char type | custom src type ---------------------------------------------------------
( (
$scope:vis fn $name:ident $scope:vis fn $name:ident
< <
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)* C=$charType:ty
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)? $(, $lifetimeName:lifetime)*
$(, $genericName:ident $(: $genericBound:path)?)*
$(,)?
> >
($srcName:ident : $srcType:ty $(, $argNName:ident : $argNType:ty)* $(,)?) (
$srcName:ident : $srcType:ty
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)? $(-> $ret:ty)?
$body:block $body:block
) => { ) => {
$scope fn $name $scope fn $name
< <
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*, 'source, 'pos,
P: Pos<'pos>, CS: CollectedSubstring<'source> $( $lifetimeName, )*
$(, $genericNName $(: $genericNBound)?)* P:Pos<'pos>, CS:CollectedSubstring<'source, C=$charType>
$(, $genericName $(: $genericBound)?)*
> >
($srcName: $srcType $(, $argNName : $argNType)*) (
$srcName: $srcType
$(, $argName : $argType)*
)
$(-> $ret)? $(-> $ret)?
$body $body
}; };
// only type generics | custom src type -------------------------------------------------------- // unknown char type | default src type --------------------------------------------------------
( (
$scope:vis fn $name:ident $scope:vis fn $name:ident
$(< <
$generic0Name:ident $(: $generic0Bound:path)? C=?
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)? $(, $lifetimeName:lifetime)*
>)? $(, $genericName:ident $(: $genericBound:path)?)*
($srcName:ident $(, $argNName:ident : $argNType:ty)* $(,)?) $(,)?
>
(
$srcName:ident
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)? $(-> $ret:ty)?
$body:block $body:block
) => { ) => {
$scope fn $name $scope fn $name
< <
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source> 'source, 'pos,
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )? $( $lifetimeName, )*
C:Copy, P:Pos<'pos>, CS:CollectedSubstring<'source, C=C>
$(, $genericName $(: $genericBound)?)*
> >
($srcName: &'source mut impl SourceStream<'source, 'pos, P=P, CS=CS> $(, $argNName : $argNType)*) (
$srcName: &'source mut impl SourceStream<'source, 'pos, C=C, P=P, CS=CS>
$(, $argName : $argType)*
)
$(-> $ret)? $(-> $ret)?
$body $body
}; };
// lifetime + type generics | custom src type -------------------------------------------------- // explicit char type | default src type -------------------------------------------------------
( (
$scope:vis fn $name:ident $scope:vis fn $name:ident
< <
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)* C=$charType:ty
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)? $(, $lifetimeName:lifetime)*
$(, $genericName:ident $(: $genericBound:path)?)*
$(,)?
> >
($srcName:ident $(, $argNName:ident : $argNType:ty)* $(,)?) (
$srcName:ident
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)? $(-> $ret:ty)?
$body:block $body:block
) => { ) => {
$scope fn $name $scope fn $name
< <
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*, 'source, 'pos,
P: Pos<'pos>, CS: CollectedSubstring<'source> $( $lifetimeName, )*
$(, $genericNName $(: $genericNBound)?)* P:Pos<'pos>, CS:CollectedSubstring<'source, C=$charType>
$(, $genericName $(: $genericBound)?)*
> >
($srcName: &'source mut impl SourceStream<'source, 'pos, P=P, CS=CS> $(, $argNName : $argNType)*) (
$srcName: &'source mut impl SourceStream<'source, 'pos, C=$charType, P=P, CS=CS>
$(, $argName : $argType)*
)
$(-> $ret)? $(-> $ret)?
$body $body
}; };