30 lines
906 B
Rust
30 lines
906 B
Rust
use crate::ast::{ASTNode, Span};
|
|
use crate::parser::common::ParserUtils;
|
|
use crate::parser::{NyashParser, ParseError};
|
|
use crate::tokenizer::TokenType;
|
|
|
|
#[inline]
|
|
#[allow(dead_code)]
|
|
fn is_sugar_enabled() -> bool {
|
|
crate::parser::sugar_gate::is_enabled()
|
|
}
|
|
|
|
impl NyashParser {
|
|
pub(crate) fn expr_parse_ternary(&mut self) -> Result<ASTNode, ParseError> {
|
|
let cond = self.expr_parse_coalesce()?;
|
|
if self.match_token(&TokenType::QUESTION) {
|
|
self.advance();
|
|
let then_expr = self.parse_expression()?;
|
|
self.consume(TokenType::COLON)?;
|
|
let else_expr = self.parse_expression()?;
|
|
return Ok(ASTNode::If {
|
|
condition: Box::new(cond),
|
|
then_body: vec![then_expr],
|
|
else_body: Some(vec![else_expr]),
|
|
span: Span::unknown(),
|
|
});
|
|
}
|
|
Ok(cond)
|
|
}
|
|
}
|