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127 lines
3.9 KiB
127 lines
3.9 KiB
(*
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open! IStd
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(** Module for error logs. *)
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type node_tag =
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| Condition of bool
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| Exception of Typ.name
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| Procedure_start of Typ.Procname.t
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| Procedure_end of Typ.Procname.t
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(** Element of a loc trace *)
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type loc_trace_elem = private
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{ lt_level: int (** nesting level of procedure calls *)
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; lt_loc: Location.t (** source location at the current step in the trace *)
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; lt_description: string (** description of the current step in the trace *)
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; lt_node_tags: node_tag list (** tags describing the node at the current location *) }
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val make_trace_element : int -> Location.t -> string -> node_tag list -> loc_trace_elem
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(** build a loc_trace_elem from its constituents (unambiguously identified by their types). *)
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(** Trace of locations *)
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type loc_trace = loc_trace_elem list
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val compute_local_exception_line : loc_trace -> int option
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(** Look at all the trace steps and find those that are arising any exception,
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then bind them to the closest step at level 0.
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This extra information adds value to the report itself, and may avoid
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digging into the trace to understand the cause of the report. *)
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type node =
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| UnknownNode
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| FrontendNode of {node_key: Procdesc.NodeKey.t}
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| BackendNode of {node: Procdesc.Node.t}
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type err_key = private
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{severity: Exceptions.severity; err_name: IssueType.t; err_desc: Localise.error_desc}
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[@@deriving compare]
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(* Merges two error keys, setting the result's severity to the maximum
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of that of the two arguments and giving the user the opportunity
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to pass a function to merge the IssueTypes and descriptions
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of the two. *)
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val merge_err_key :
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err_key
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-> err_key
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-> merge_issues:(IssueType.t -> IssueType.t -> IssueType.t)
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-> merge_descriptions:(string list -> string list -> string)
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-> err_key
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(** Data associated to a specific error *)
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type err_data = private
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{ node_id: int
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; node_key: Procdesc.NodeKey.t option
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; session: int
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; loc: Location.t
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; loc_in_ml_source: Logging.ocaml_pos option
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; loc_trace: loc_trace
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; err_class: Exceptions.err_class
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; visibility: Exceptions.visibility
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; linters_def_file: string option
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; doc_url: string option (** url to documentation of the issue type *)
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; access: string option
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; extras: Jsonbug_t.extra option }
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(* Merges two err_datas, throwing out most information and setting the trace of the
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result to the concatenation of the traces of the two arguments with a
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separator in between. Used specifically for QuandaryBO. *)
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val merge_err_data : err_data -> err_data -> err_data
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(** Type of the error log *)
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type t
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val empty : unit -> t
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(** Empty error log *)
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(** type of the function to be passed to iter *)
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type iter_fun = err_key -> err_data -> unit
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val iter : iter_fun -> t -> unit
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(** Apply f to nodes and error names *)
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val fold : (err_key -> err_data -> 'a -> 'a) -> t -> 'a -> 'a
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val pp_loc_trace_elem : Format.formatter -> loc_trace_elem -> unit [@@warning "-32"]
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val pp_loc_trace : Format.formatter -> loc_trace -> unit
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val pp_errors : Format.formatter -> t -> unit
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(** Print errors from error log *)
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val pp_warnings : Format.formatter -> t -> unit
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(** Print warnings from error log *)
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val pp_html : SourceFile.t -> DB.Results_dir.path -> Format.formatter -> t -> unit
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(** Print an error log in html format *)
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val size : (Exceptions.severity -> bool) -> t -> int
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(** Return the number of elements in the error log which satisfy the filter. *)
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val update : t -> t -> unit
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(** Update an old error log with a new one *)
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val log_issue :
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Typ.Procname.t
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-> clang_method_kind:ClangMethodKind.t option
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-> Exceptions.severity
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-> t
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-> loc:Location.t
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-> node:node
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-> session:int
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-> ltr:loc_trace
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-> linters_def_file:string option
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-> doc_url:string option
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-> access:string option
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-> extras:Jsonbug_t.extra option
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-> exn
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-> unit
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