better errors

This commit is contained in:
Mylloon 2023-12-05 11:47:52 +01:00
parent b37962dee2
commit 4492c9b3ea
Signed by: Anri
GPG key ID: A82D63DFF8D1317F

View file

@ -126,7 +126,7 @@ and synth_apply
let given = synth_expression tenv x in
check_equal_types x.position ~expected ~given;
droit
| _ -> failwith "Error: apply"
| _ -> HopixTypes.type_error f.position "Can't apply"
and synth_record
: HopixTypes.typing_environment
@ -167,7 +167,7 @@ and synth_sequence
=
fun tenv elist ->
match elist with
| [] -> failwith "Error: sequence"
| [] -> HopixTypes.type_error Position.dummy "Invalid sequence"
| [ x ] -> synth_expression tenv x
| x :: l ->
let given = synth_expression tenv x in
@ -261,10 +261,7 @@ and check_expression
: HopixTypes.typing_environment -> HopixAST.expression Position.located
-> HopixTypes.aty -> unit
=
fun env (Position.{ value = e; position = pos } as exp) expected ->
match e with
| Fun df -> failwith "Students! This is your job! (check_expression | Fun)"
| _ ->
fun env (Position.{ position = pos } as exp) expected ->
let given = synth_expression env exp in
check_equal_types pos ~expected ~given
@ -275,7 +272,7 @@ and check_value_definition
fun env -> function
| SimpleValue (id, ty, ex) ->
(match ty with
| None -> failwith "A type is missing."
| None -> HopixTypes.type_error ex.position "Type is missing"
| Some ty' ->
let tys, tenv = Position.located_pos (check_type_scheme env) ty' in
check_expression tenv ex (HopixTypes.instantiate_type_scheme tys []);