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

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This commit is contained in:
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_rules! parser_fn_decl {
// only type generics | default src type -------------------------------------------------------
// unknown char type | custom src type ---------------------------------------------------------
(
$scope:vis fn $name:ident
$(<
$generic0Name:ident $(: $generic0Bound:path)?
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)?
>)?
($srcName:ident : $srcType:ty $(, $argNName:ident : $argNType:ty)* $(,)?)
<
C=?
$(, $lifetimeName:lifetime)*
$(, $genericName:ident $(: $genericBound:path)?)*
$(,)?
>
(
$srcName:ident : $srcType:ty
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source>
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )?
'source, 'pos,
$( $lifetimeName, )*
C:Copy, P:Pos<'pos>, CS:CollectedSubstring<'source, C=C>
$(, $genericName $(: $genericBound)?)*
>
($srcName: $srcType $(, $argNName : $argNType)*)
(
$srcName: $srcType
$(, $argName : $argType)*
)
$(-> $ret)?
$body
};
// lifetime + type generics | default src type --------------------------------------------------
// explicit char type | custom src type ---------------------------------------------------------
(
$scope:vis fn $name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)?
C=$charType:ty
$(, $lifetimeName:lifetime)*
$(, $genericName:ident $(: $genericBound:path)?)*
$(,)?
>
($srcName:ident : $srcType:ty $(, $argNName:ident : $argNType:ty)* $(,)?)
(
$srcName:ident : $srcType:ty
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P: Pos<'pos>, CS: CollectedSubstring<'source>
$(, $genericNName $(: $genericNBound)?)*
'source, 'pos,
$( $lifetimeName, )*
P:Pos<'pos>, CS:CollectedSubstring<'source, C=$charType>
$(, $genericName $(: $genericBound)?)*
>
($srcName: $srcType $(, $argNName : $argNType)*)
(
$srcName: $srcType
$(, $argName : $argType)*
)
$(-> $ret)?
$body
};
// only type generics | custom src type --------------------------------------------------------
// unknown char type | default src type --------------------------------------------------------
(
$scope:vis fn $name:ident
$(<
$generic0Name:ident $(: $generic0Bound:path)?
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)?
>)?
($srcName:ident $(, $argNName:ident : $argNType:ty)* $(,)?)
<
C=?
$(, $lifetimeName:lifetime)*
$(, $genericName:ident $(: $genericBound:path)?)*
$(,)?
>
(
$srcName:ident
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source>
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )?
'source, 'pos,
$( $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)?
$body
};
// lifetime + type generics | custom src type --------------------------------------------------
// explicit char type | default src type -------------------------------------------------------
(
$scope:vis fn $name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ident $(: $genericNBound:path)?)* $(,)?
C=$charType:ty
$(, $lifetimeName:lifetime)*
$(, $genericName:ident $(: $genericBound:path)?)*
$(,)?
>
($srcName:ident $(, $argNName:ident : $argNType:ty)* $(,)?)
(
$srcName:ident
$(, $argName:ident : $argType:ty)*
$(,)?
)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P: Pos<'pos>, CS: CollectedSubstring<'source>
$(, $genericNName $(: $genericNBound)?)*
'source, 'pos,
$( $lifetimeName, )*
P:Pos<'pos>, CS:CollectedSubstring<'source, C=$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)?
$body
};