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pipec-ast : add attributes #36

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Merged
EvoPot merged 1 commit into from
Jan 28, 2026
Merged

pipec-ast : add attributes #36

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43 changes: 43 additions & 0 deletions compiler/pipec-ast/src/ast/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,7 @@ impl<'this> ASTGenerator<'this> {
Token::FunctionKeyword => self.consume_function_keyword(),
Token::PublicKeyword => self.consume_public_keyword(),
Token::TypeKeyword => self.consume_type_keyword(),
Token::AtSign => self.consume_attributes(),
_v => {
println!("{_v:#?}");
todo!();
Expand All @@ -87,6 +88,34 @@ impl<'this> ASTGenerator<'this> {
}
}

#[inline]
pub(crate) fn consume_attributes(&mut self) -> ASTNode {
let mut attributes = Vec::new();
loop {
if self.next_is(Token::AtSign) {
self.advance_stream();
let name = self
.must_ident()
.parse_arena(self.loader.load(self.src), self.arena);
match name {
"language" => attributes.push(self.consume_language_attribute()),
_ => todo!(),
}
} else {
break;
}
}
ASTNode::Attributed(attributes, Box::new(self.parse_value()))
}

#[inline]
pub(crate) fn consume_language_attribute(&mut self) -> Attribute {
self.must(Token::LeftParenthesis);
let name = self.must_string();
self.must(Token::RightParenthesis);
Attribute::LanguageAttribute(name)
}

#[inline]
pub(crate) fn consume_type_keyword(&mut self) -> ASTNode {
self.advance_stream();
Expand Down Expand Up @@ -275,6 +304,14 @@ impl<'this> ASTGenerator<'this> {
unreachable!()
}

#[inline]
pub(crate) fn must_string(&mut self) -> Span {
if let Some(Token::String(v)) = self.advance_stream() {
return v;
}
unreachable!()
}

#[inline]
pub(crate) fn consume_function_parameter(&mut self) -> FunctionDeclarationParameter {
let name = self.must_ident();
Expand Down Expand Up @@ -1127,9 +1164,15 @@ pub enum ASTNode {
subtype: SubType,
},
Public(Box<Self>),
Attributed(Vec<Attribute>, Box<Self>),
EOF,
}

#[derive(Debug, Clone)]
pub enum Attribute {
LanguageAttribute(Span),
}

#[derive(Debug, Clone)]
pub enum SubType {
Map(HashMap<String, Self>),
Expand Down