Detect cycles in type declarations
[tiger.ml.git] / compiler / src / lib / tiger / tiger_error.mli
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1module Abs = Tiger_absyn
2module Pos = Tiger_position
3module Sym = Tiger_symbol
4module Typ = Tiger_env_type
5
c16dd441 6type t =
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7 | Cycle_in_type_decs of
8 { from_id : Sym.t
9 ; from_pos : Pos.t
10 ; to_id : Sym.t
11 ; to_pos : Pos.t
12 }
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13 | Invalid_syntax of Pos.t
14 | Unknown_id of {id : Sym.t; pos : Pos.t}
15 | Unknown_type of {ty_id : Sym.t; pos : Pos.t}
523e2b06 16 | Id_is_a_function of {id : Sym.t; pos : Pos.t}
b9b456cc 17 | Id_not_a_function of {id : Sym.t; pos : Pos.t}
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18 | No_such_field_in_record of {field : Sym.t; record : Typ.t; pos : Pos.t}
19 | Exp_not_a_record of {ty : Typ.t; pos : Pos.t}
161a300d 20 | Exp_not_an_array of {ty : Typ.t; pos : Pos.t}
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21 | Wrong_type of
22 { expected : Typ.t
23 ; given : Typ.t
24 ; pos : Pos.t
25 }
c16dd441 26 | Wrong_type_of_expression_in_var_dec of
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27 { var_id : Sym.t
28 ; expected : Typ.t
29 ; given : Typ.t
30 ; pos : Pos.t
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31 }
32 | Wrong_type_used_as_record of
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33 { ty_id : Sym.t
34 ; ty : Typ.t
35 ; pos : Pos.t
c16dd441 36 }
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37 | Wrong_type_used_as_array of
38 { ty_id : Sym.t
39 ; ty : Typ.t
40 ; pos : Pos.t
41 }
c16dd441 42 | Wrong_type_of_field_value of
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43 { field_id : Sym.t
44 ; expected : Typ.t
45 ; given : Typ.t
46 ; pos : Pos.t
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47 }
48 | Wrong_type_of_arg of
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49 { func : Sym.t
50 ; expected : Typ.t
51 ; given : Typ.t
52 ; pos : Pos.t
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53 }
54 | Wrong_number_of_args of
b9b456cc 55 { func : Sym.t
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56 ; expected : int
57 ; given : int
b9b456cc 58 ; pos : Pos.t
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59 }
60 | Invalid_operand_type of
b9b456cc 61 { oper : Abs.oper
c16dd441 62 ; valid : string list
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63 ; given : Typ.t
64 ; pos : Pos.t
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65 }
66 | Different_operand_types of
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67 { oper : Abs.oper
68 ; left : Typ.t
69 ; right : Typ.t
70 ; pos : Pos.t
c16dd441 71 }
7c14a966 72
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73exception T of t
74
75val raise : t -> 'a
76
77val to_string : t -> string
5da420a8 78
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79val is_unknown_id : t -> bool
80val is_unknown_type : t -> bool
81val is_wrong_type : t -> bool
54e838f4 82val is_wrong_number_of_args : t -> bool
789ef466 83val is_invalid_syntax : t -> bool
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84val is_not_a_record : t -> bool
85val is_not_an_array : t -> bool
86val is_no_such_field_in_record : t -> bool
e6e82c08 87val is_cycle_in_type_dec : t -> bool
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