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(*
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* Copyright (c) 2009 - 2013 Monoidics ltd.
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* Copyright (c) 2013 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*)
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open! IStd
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(** Support for Execution environments *)
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(** initial state, used to add cg's *)
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type initial
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(** execution environment: a global call graph, and map from procedure names to cfg and tenv *)
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type t
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(** freeze the execution environment, so it can be queried *)
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val freeze : initial -> t
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(** create a new execution environment *)
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val create : unit -> initial
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(** add call graph from the source dir in the spec db,
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with relative tenv and cfg, to the execution environment *)
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val add_cg : initial -> DB.source_dir -> unit
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(** get the global call graph *)
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val get_cg : t -> Cg.t
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(** return the source file associated to the procedure *)
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val get_source : t -> Procname.t -> SourceFile.t option
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(** return the type environment associated to the procedure *)
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val get_tenv : t -> Procname.t -> Tenv.t
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(** return the cfg associated to the procedure *)
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val get_cfg : t -> Procname.t -> Cfg.cfg option
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(** return the proc desc associated to the procedure *)
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val get_proc_desc : t -> Procname.t -> Procdesc.t option
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(** [iter_files f exe_env] applies [f] to the source file and tenv and cfg for each file in [exe_env] *)
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val iter_files : (SourceFile.t -> Cfg.cfg -> unit) -> t -> unit
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