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chore: move if_branch to helper parser

This commit is contained in:
rvcas 2024-06-11 12:49:19 -04:00 committed by Lucas
parent d99c014bf7
commit b2c42febaf
1 changed files with 15 additions and 20 deletions
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35
crates/aiken-lang/src/parser/expr/if_else.rs
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@ -13,29 +13,11 @@ pub fn parser<'a>(
expression: Recursive<'a, Token, UntypedExpr, ParseError>,
) -> impl Parser<Token, UntypedExpr, Error = ParseError> + 'a {
just(Token::If)
.ignore_then(
expression
.clone()
.then(block(sequence.clone()))
.map_with_span(|(condition, body), span| ast::IfBranch {
condition,
body,
location: span,
}),
)
.ignore_then(if_branch(sequence.clone(), expression.clone()))
.then(
just(Token::Else)
.ignore_then(just(Token::If))
.ignore_then(
expression
.clone()
.then(block(sequence.clone()))
.map_with_span(|(condition, body), span| ast::IfBranch {
condition,
body,
location: span,
}),
)
.ignore_then(if_branch(sequence.clone(), expression))
.repeated(),
)
.then_ignore(just(Token::Else))
@ -53,6 +35,19 @@ pub fn parser<'a>(
})
}
fn if_branch<'a>(
sequence: Recursive<'a, Token, UntypedExpr, ParseError>,
expression: Recursive<'a, Token, UntypedExpr, ParseError>,
) -> impl Parser<Token, ast::UntypedIfBranch, Error = ParseError> + 'a {
expression
.then(block(sequence))
.map_with_span(|(condition, body), span| ast::IfBranch {
condition,
body,
location: span,
})
}
#[cfg(test)]
mod tests {
use crate::assert_expr;