lustrec / src / lustreSpec.ml @ 54d032f5
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(********************************************************************) |
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(* *) |
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(* The LustreC compiler toolset / The LustreC Development Team *) |
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(* Copyright 2012 - -- ONERA - CNRS - INPT *) |
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(* *) |
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(* LustreC is free software, distributed WITHOUT ANY WARRANTY *) |
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(* under the terms of the GNU Lesser General Public License *) |
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(* version 2.1. *) |
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(* *) |
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(********************************************************************) |
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|
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open Format |
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|
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type ident = Utils.ident |
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type rat = Utils.rat |
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type tag = Utils.tag |
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type label = Utils.ident |
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|
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type type_dec = |
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{ty_dec_desc: type_dec_desc; |
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ty_dec_loc: Location.t} |
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|
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and type_dec_desc = |
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| Tydec_any |
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| Tydec_int |
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| Tydec_real |
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| Tydec_float |
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| Tydec_bool |
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| Tydec_clock of type_dec_desc |
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| Tydec_const of ident |
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| Tydec_enum of ident list |
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| Tydec_struct of (ident * type_dec_desc) list |
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| Tydec_array of Dimension.dim_expr * type_dec_desc |
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|
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type typedec_desc = |
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{tydec_id: ident} |
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|
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type typedef_desc = |
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{tydef_id: ident; |
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tydef_desc: type_dec_desc} |
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|
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type clock_dec = |
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{ck_dec_desc: clock_dec_desc; |
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ck_dec_loc: Location.t} |
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|
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and clock_dec_desc = |
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| Ckdec_any |
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| Ckdec_bool of (ident * ident) list |
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| Ckdec_pclock of int * rat |
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|
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type var_decl = |
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{var_id: ident; |
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var_orig:bool; |
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var_dec_type: type_dec; |
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var_dec_clock: clock_dec; |
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var_dec_const: bool; |
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mutable var_type: Types.type_expr; |
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mutable var_clock: Clocks.clock_expr; |
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var_loc: Location.t} |
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|
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(** The core language and its ast. Every element of the ast contains its |
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location in the program text. The type and clock of an ast element |
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is mutable (and initialized to dummy values). This avoids to have to |
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duplicate ast structures (e.g. ast, typed_ast, clocked_ast). *) |
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|
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|
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type constant = |
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| Const_int of int |
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| Const_real of string |
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| Const_float of float |
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| Const_array of constant list |
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| Const_tag of label |
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| Const_string of string (* used only for annotations *) |
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| Const_struct of (label * constant) list |
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|
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type quantifier_type = Exists | Forall |
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|
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|
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|
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(* The tag of an expression is a unique identifier used to distinguish |
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different instances of the same node *) |
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type expr = |
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{expr_tag: tag; |
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expr_desc: expr_desc; |
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mutable expr_type: Types.type_expr; |
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mutable expr_clock: Clocks.clock_expr; |
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mutable expr_delay: Delay.delay_expr; |
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mutable expr_annot: expr_annot option; |
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expr_loc: Location.t} |
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|
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and expr_desc = |
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| Expr_const of constant |
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| Expr_ident of ident |
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| Expr_tuple of expr list |
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| Expr_ite of expr * expr * expr |
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| Expr_arrow of expr * expr |
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| Expr_fby of expr * expr |
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| Expr_array of expr list |
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| Expr_access of expr * Dimension.dim_expr |
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| Expr_power of expr * Dimension.dim_expr |
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| Expr_pre of expr |
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| Expr_when of expr * ident * label |
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| Expr_merge of ident * (label * expr) list |
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| Expr_appl of call_t |
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|
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and call_t = ident * expr * expr option |
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(* The third part denotes the boolean condition for resetting *) |
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|
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and eq = |
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{eq_lhs: ident list; |
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eq_rhs: expr; |
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eq_loc: Location.t} |
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|
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(* The tag of an expression is a unique identifier used to distinguish |
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different instances of the same node *) |
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and eexpr = |
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{eexpr_tag: tag; |
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eexpr_qfexpr: expr; |
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eexpr_quantifiers: (quantifier_type * var_decl list) list; |
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mutable eexpr_type: Types.type_expr; |
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mutable eexpr_clock: Clocks.clock_expr; |
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mutable eexpr_normalized: (var_decl * eq list * var_decl list) option; |
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eexpr_loc: Location.t} |
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|
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and expr_annot = |
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{annots: (string list * eexpr) list; |
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annot_loc: Location.t} |
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|
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type node_annot = { |
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requires: eexpr list; |
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ensures: eexpr list; |
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behaviors: (string * eexpr list * eexpr list * Location.t) list; |
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spec_loc: Location.t; |
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} |
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type assert_t = |
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{ |
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assert_expr: expr; |
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assert_loc: Location.t; |
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} |
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|
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type statement = |
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| Eq of eq |
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| Aut of automata_desc |
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|
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and automata_desc = |
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{aut_id : ident; |
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aut_handlers: handler_desc list; |
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aut_loc: Location.t} |
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|
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and handler_desc = |
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{hand_state: ident; |
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hand_unless: (Location.t * expr * bool * ident) list; |
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hand_until: (Location.t * expr * bool * ident) list; |
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hand_locals: var_decl list; |
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hand_stmts: statement list; |
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hand_asserts: assert_t list; |
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hand_annots: expr_annot list; |
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hand_loc: Location.t} |
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|
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type node_desc = |
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{node_id: ident; |
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mutable node_type: Types.type_expr; |
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mutable node_clock: Clocks.clock_expr; |
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node_inputs: var_decl list; |
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node_outputs: var_decl list; |
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node_locals: var_decl list; |
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mutable node_gencalls: expr list; |
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mutable node_checks: Dimension.dim_expr list; |
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node_asserts: assert_t list; |
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node_stmts: statement list; |
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mutable node_dec_stateless: bool; |
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mutable node_stateless: bool option; |
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node_spec: node_annot option; |
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node_annot: expr_annot list; |
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} |
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|
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type imported_node_desc = |
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{nodei_id: ident; |
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mutable nodei_type: Types.type_expr; |
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mutable nodei_clock: Clocks.clock_expr; |
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nodei_inputs: var_decl list; |
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nodei_outputs: var_decl list; |
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nodei_stateless: bool; |
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nodei_spec: node_annot option; |
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nodei_prototype: string option; |
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nodei_in_lib: string option; |
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} |
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|
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type const_desc = |
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{const_id: ident; |
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const_loc: Location.t; |
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const_value: constant; |
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mutable const_type: Types.type_expr; |
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} |
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|
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type top_decl_desc = |
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| Node of node_desc |
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| Const of const_desc |
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| ImportedNode of imported_node_desc |
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| Open of bool * string (* the boolean set to true denotes a local |
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lusi vs a lusi installed at system level *) |
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| TypeDef of typedef_desc |
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|
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type top_decl = |
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{top_decl_desc: top_decl_desc; (* description of the symbol *) |
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top_decl_owner: Location.filename; (* the module where it is defined *) |
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top_decl_itf: bool; (* header or source file ? *) |
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top_decl_loc: Location.t} (* the location where it is defined *) |
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|
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type program = top_decl list |
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|
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type error = |
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Main_not_found |
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| Main_wrong_kind |
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| No_main_specified |
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| Unbound_symbol of ident |
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| Already_bound_symbol of ident |
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| Unknown_library of ident |
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|
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(* Local Variables: *) |
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(* compile-command:"make -C .." *) |
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(* End: *) |