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use crate::{Identifier, Span};
use leo_grammar::imports::ImportSymbol as GrammarImportSymbol;
use serde::{Deserialize, Serialize};
use std::fmt;
#[derive(Clone, Eq, Hash, PartialEq, Serialize, Deserialize)]
pub struct ImportSymbol {
pub symbol: Identifier,
pub alias: Option<Identifier>,
pub span: Span,
}
impl<'ast> From<GrammarImportSymbol<'ast>> for ImportSymbol {
fn from(symbol: GrammarImportSymbol<'ast>) -> Self {
ImportSymbol {
symbol: Identifier::from(symbol.value),
alias: symbol.alias.map(Identifier::from),
span: Span::from(symbol.span),
}
}
}
impl fmt::Display for ImportSymbol {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if self.alias.is_some() {
write!(f, "{} as {}", self.symbol, self.alias.as_ref().unwrap())
} else {
write!(f, "{}", self.symbol)
}
}
}
impl fmt::Debug for ImportSymbol {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if self.alias.is_some() {
write!(f, "{} as {}", self.symbol, self.alias.as_ref().unwrap())
} else {
write!(f, "{}", self.symbol)
}
}
}
impl ImportSymbol {
pub fn star(span: &Span) -> Self {
Self {
symbol: Identifier {
name: "*".to_string(),
span: span.clone(),
},
alias: None,
span: span.clone(),
}
}
pub fn is_star(&self) -> bool {
self.symbol.name.eq("*")
}
}