nac3core: add missing location for type inference
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4976e89ae2
commit
eba9fc8a69
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@ -96,10 +96,10 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
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self.unify(target.custom.unwrap(), ty.custom.unwrap(), &node.location)?;
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Some(ty)
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} else {
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return Err(format!(
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"declaration without definition is not yet supported, at {}",
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node.location
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));
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return report_error(
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"declaration without definition is not yet supported",
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node.location,
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);
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};
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let top_level_defs = self.top_level.definitions.read();
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let annotation_type = self.function_data.resolver.parse_type_annotation(
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@ -356,7 +356,8 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
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_ => fold::fold_expr(self, node)?,
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};
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let custom = match &expr.node {
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ast::ExprKind::Constant { value, .. } => Some(self.infer_constant(value)?),
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ast::ExprKind::Constant { value, .. } =>
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Some(self.infer_constant(value, &expr.location)?),
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ast::ExprKind::Name { id, .. } => {
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if !self.defined_identifiers.contains(id) {
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if self
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@ -372,10 +373,10 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
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{
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self.defined_identifiers.insert(*id);
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} else {
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return Err(format!(
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"unknown identifier {} (use before def?) at {}",
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id, expr.location
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));
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return report_error(
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&format!("unknown identifier {} (use before def?)", id),
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expr.location,
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);
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}
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}
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Some(self.infer_identifier(*id)?)
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@ -403,7 +404,7 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
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| ast::ExprKind::Lambda { .. }
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| ast::ExprKind::Call { .. } => expr.custom, // already computed
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ast::ExprKind::Slice { .. } => None, // we don't need it for slice
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_ => return Err("not supported yet".into()),
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_ => return report_error("not supported", expr.location),
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};
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Ok(ast::Expr { custom, location: expr.location, node: expr.node })
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}
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@ -509,9 +510,9 @@ impl<'a> Inferencer<'a> {
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|| !args.defaults.is_empty()
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{
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// actually I'm not sure whether programs violating this is a valid python program.
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return Err(
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"We only support positional or keyword arguments without defaults for lambdas."
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.to_string(),
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return report_error(
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"We only support positional or keyword arguments without defaults for lambdas",
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if args.args.is_empty() { body.location } else { args.args[0].location },
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);
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}
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@ -567,8 +568,9 @@ impl<'a> Inferencer<'a> {
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mut generators: Vec<Comprehension>,
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) -> Result<ast::Expr<Option<Type>>, String> {
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if generators.len() != 1 {
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return Err(
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"Only 1 generator statement for list comprehension is supported.".to_string()
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return report_error(
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"Only 1 generator statement for list comprehension is supported",
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generators[0].target.location,
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);
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}
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let variable_mapping = self.variable_mapping.clone();
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@ -585,7 +587,7 @@ impl<'a> Inferencer<'a> {
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};
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let generator = generators.pop().unwrap();
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if generator.is_async {
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return Err("Async iterator not supported.".to_string());
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return report_error("Async iterator not supported", generator.target.location);
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}
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new_context.infer_pattern(&generator.target)?;
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let target = new_context.fold_expr(*generator.target)?;
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@ -643,8 +645,9 @@ impl<'a> Inferencer<'a> {
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// handle special functions that cannot be typed in the usual way...
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if id == "virtual".into() {
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if args.is_empty() || args.len() > 2 || !keywords.is_empty() {
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return Err(
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"`virtual` can only accept 1/2 positional arguments.".to_string()
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return report_error(
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"`virtual` can only accept 1/2 positional arguments",
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func_location,
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);
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}
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let arg0 = self.fold_expr(args.remove(0))?;
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@ -682,7 +685,7 @@ impl<'a> Inferencer<'a> {
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{
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let custom = Some(self.primitives.int64);
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if val.is_none() {
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return Err("Integer out of bound".into());
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return report_error("Integer out of bound", args[0].location);
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}
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return Ok(Located {
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location: args[0].location,
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@ -770,7 +773,7 @@ impl<'a> Inferencer<'a> {
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}
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}
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fn infer_constant(&mut self, constant: &ast::Constant) -> InferenceResult {
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fn infer_constant(&mut self, constant: &ast::Constant, loc: &Location) -> InferenceResult {
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match constant {
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ast::Constant::Bool(_) => Ok(self.primitives.bool),
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ast::Constant::Int(val) => {
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@ -781,19 +784,20 @@ impl<'a> Inferencer<'a> {
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if int32.is_ok() {
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Ok(self.primitives.int32)
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} else {
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Err("Integer out of bound".into())
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report_error("Integer out of bound", *loc)
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}
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},
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None => Err("Integer out of bound".into())
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None => report_error("Integer out of bound", *loc)
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}
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}
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ast::Constant::Float(_) => Ok(self.primitives.float),
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ast::Constant::Tuple(vals) => {
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let ty: Result<Vec<_>, _> = vals.iter().map(|x| self.infer_constant(x)).collect();
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let ty: Result<Vec<_>, _> =
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vals.iter().map(|x| self.infer_constant(x, loc)).collect();
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Ok(self.unifier.add_ty(TypeEnum::TTuple { ty: ty? }))
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}
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ast::Constant::Str(_) => Ok(self.primitives.str),
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_ => Err("not supported".into()),
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_ => report_error("not supported", *loc),
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}
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}
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