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Update convert.rs

This commit is contained in:
Shunsuke Shibayama 2023-01-11 18:16:39 +09:00
parent fe550a51ef
commit e464e8dc79
1 changed files with 23 additions and 6 deletions
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29
crates/py2erg/convert.rs
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@ -406,6 +406,21 @@ impl ASTConverter {
}
/// (i, j) => $1 (i = $1[0]; j = $1[1])
fn convert_opt_expr_to_param(
&mut self,
expr: Option<Located<ExpressionType>>,
) -> (NonDefaultParamSignature, Vec<Expr>) {
if let Some(expr) = expr {
self.convert_expr_to_param(expr)
} else {
let token = Token::new(TokenKind::UBar, "_", 0, 0);
(
NonDefaultParamSignature::new(ParamPattern::Discard(token), None),
vec![],
)
}
}
fn convert_expr_to_param(
&mut self,
expr: Located<ExpressionType>,
@ -463,8 +478,8 @@ impl ASTConverter {
}
}
fn convert_for_body(&mut self, lhs: Located<ExpressionType>, body: Suite) -> Lambda {
let (param, block) = self.convert_expr_to_param(lhs);
fn convert_for_body(&mut self, lhs: Option<Located<ExpressionType>>, body: Suite) -> Lambda {
let (param, block) = self.convert_opt_expr_to_param(lhs);
let params = Params::new(vec![param], None, vec![], None);
self.block_id_counter += 1;
self.block_ids.push(self.block_id_counter);
@ -1098,7 +1113,8 @@ impl ASTConverter {
elem.location.row() as u32,
elem.location.column() as u32 - 1,
));
let (param, mut blocks) = self.convert_expr_to_param(elem);
let (param, mut blocks) =
self.convert_opt_expr_to_param(Some(elem));
let sig = Signature::Var(VarSignature::new(
Self::param_pattern_to_var(param.pat),
param.t_spec.map(|t| t.t_spec),
@ -1251,7 +1267,7 @@ impl ASTConverter {
orelse: _,
} => {
let iter = self.convert_expr(*iter);
let block = self.convert_for_body(*target, body);
let block = self.convert_for_body(Some(*target), body);
let for_ident = self.convert_ident("for".to_string(), stmt.location);
let for_acc = Expr::Accessor(Accessor::Ident(for_ident));
for_acc.call_expr(Args::new(
@ -1385,7 +1401,8 @@ impl ASTConverter {
let import_acc = Expr::Accessor(Accessor::Ident(
self.convert_ident("__import__".to_string(), stmt.location),
));
let cont = format!("\"{}\"", module.clone().unwrap());
// from . import foo ==> import "./foo"
let cont = format!("\"{}\"", module.clone().unwrap_or(names[0].symbol.clone()));
let mod_name = Expr::Lit(Literal::new(Token::new(
TokenKind::StrLit,
cont,
@ -1464,7 +1481,7 @@ impl ASTConverter {
} => {
let item = items.remove(0);
let context_expr = self.convert_expr(item.context_expr);
let body = self.convert_for_body(item.optional_vars.unwrap(), body);
let body = self.convert_for_body(item.optional_vars, body);
let with_ident = self.convert_ident("with".to_string(), stmt.location);
let with_acc = Expr::Accessor(Accessor::Ident(with_ident));
with_acc.call_expr(Args::new(