You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
262 lines
7.7 KiB
262 lines
7.7 KiB
/*
|
|
* Copyright (c) 2016 - present Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
%{
|
|
|
|
let formal_params : (ALVar.t list) ref = ref []
|
|
|
|
let is_not_infer_reserved_id id =
|
|
if Str.string_match (Str.regexp_string Ctl_parser_types.infer_prefix) id 0 then
|
|
raise (Ctl_parser_types.ALParsingException
|
|
("ERROR: " ^ id ^ " contains __infer_ctl_ that is a reserved keyword "
|
|
^ "which cannot be used in identifiers:"))
|
|
else ()
|
|
|
|
let is_defined_identifier id =
|
|
if (List.mem (ALVar.Var id) !formal_params) then
|
|
Logging.out "\tParsed exp '%s' as variable" id
|
|
else
|
|
raise (Ctl_parser_types.ALParsingException
|
|
("ERROR: Variable '" ^ id ^ "' is undefined"))
|
|
|
|
%}
|
|
|
|
%token EU
|
|
%token AU
|
|
%token EF
|
|
%token AF
|
|
%token EX
|
|
%token AX
|
|
%token EG
|
|
%token AG
|
|
%token EH
|
|
%token DEFINE_CHECKER
|
|
%token GLOBAL_MACROS
|
|
%token HASHIMPORT
|
|
%token LESS_THAN
|
|
%token GREATER_THAN
|
|
%token ET
|
|
%token ETX
|
|
%token WITH_TRANSITION
|
|
%token WHEN
|
|
%token HOLDS_IN_NODE
|
|
%token SET
|
|
%token LET
|
|
%token TRUE
|
|
%token FALSE
|
|
%token LEFT_BRACE
|
|
%token RIGHT_BRACE
|
|
%token LEFT_PAREN
|
|
%token RIGHT_PAREN
|
|
%token ASSIGNMENT
|
|
%token SEMICOLON
|
|
%token COMMA
|
|
%token AND
|
|
%token OR
|
|
%token NOT
|
|
%token IMPLIES
|
|
%token REGEXP
|
|
%token <string> IDENTIFIER
|
|
%token <string> FILE_IDENTIFIER
|
|
%token <string> STRING
|
|
%token EOF
|
|
|
|
/* associativity and priority (lower to higher) of operators */
|
|
%nonassoc IMPLIES
|
|
%left OR
|
|
%left AND
|
|
%left AU, EU
|
|
%right NOT, AX, EX, AF, EF, EG, AG, EH
|
|
|
|
%start <CTL.al_file> al_file
|
|
%%
|
|
|
|
var_list:
|
|
| identifier { [ALVar.Var $1] }
|
|
| identifier COMMA var_list { ALVar.Var($1) :: $3 }
|
|
;
|
|
|
|
node_list:
|
|
| identifier { [ALVar.Const $1] }
|
|
| identifier COMMA node_list { ALVar.Const($1) :: $3 }
|
|
;
|
|
|
|
formal_params:
|
|
| var_list { formal_params := $1; $1}
|
|
|
|
al_file:
|
|
| import_files global_macros checkers_list {
|
|
{ CTL.import_files = $1; CTL.global_macros = $2; CTL.checkers = $3 }
|
|
}
|
|
;
|
|
|
|
import_files:
|
|
| { [] }
|
|
| HASHIMPORT LESS_THAN file_identifier GREATER_THAN import_files
|
|
{ Logging.out "Parsed import clauses...\n\n"; $3 :: $5 }
|
|
;
|
|
|
|
global_macros:
|
|
| { [] }
|
|
| GLOBAL_MACROS LEFT_BRACE let_clause_list RIGHT_BRACE SEMICOLON
|
|
{ Logging.out "Parsed global macro definitions...\n\n"; $3 }
|
|
;
|
|
|
|
checkers_list:
|
|
| EOF { [] }
|
|
| checker SEMICOLON checkers_list { $1::$3 }
|
|
;
|
|
|
|
checker:
|
|
DEFINE_CHECKER identifier ASSIGNMENT LEFT_BRACE clause_list RIGHT_BRACE
|
|
{
|
|
Logging.out "\nParsed checker definition\n";
|
|
let c = { CTL.name = $2; CTL.definitions = $5 } in
|
|
CTL.print_checker c;
|
|
c
|
|
}
|
|
;
|
|
|
|
clause_list:
|
|
| clause SEMICOLON { [$1] }
|
|
| clause SEMICOLON clause_list { $1 :: $3 }
|
|
;
|
|
|
|
let_clause_list:
|
|
| let_clause SEMICOLON { [$1] }
|
|
| let_clause SEMICOLON let_clause_list { $1 :: $3 }
|
|
;
|
|
|
|
clause:
|
|
| SET identifier ASSIGNMENT formula
|
|
{ Logging.out "\tParsed SET clause\n";
|
|
let alvar = match $2 with
|
|
| "report_when" -> ALVar.Report_when
|
|
| _ -> failwith ("[ERROR] string '%s' cannot be set to a variable. " ^
|
|
"Use the reserverd variable 'report_when'\n") in
|
|
CTL.CSet (alvar, $4) }
|
|
| SET identifier ASSIGNMENT STRING
|
|
{ Logging.out "\tParsed SET clause\n";
|
|
let alvar = match $2 with
|
|
| "message" -> ALVar.Message
|
|
| "suggestion" -> ALVar.Suggestion
|
|
| "severity" -> ALVar.Severity
|
|
| "mode" -> ALVar.Mode
|
|
| _ -> failwith ("[ERROR] string '%s' cannot be set in a SET clause. " ^
|
|
"Use either of: 'message', 'suggestion', 'severity', or 'mode'\n") in
|
|
CTL.CDesc (alvar, $4) }
|
|
| let_clause { $1 }
|
|
;
|
|
|
|
let_clause:
|
|
| LET formula_id_def ASSIGNMENT formula
|
|
{ Logging.out "\tParsed LET clause\n"; CTL.CLet ($2, [], $4) }
|
|
| LET formula_id_def LEFT_PAREN formal_params RIGHT_PAREN ASSIGNMENT formula
|
|
{ Logging.out "\tParsed let clause with formula identifier '%s(....)' \n"
|
|
(ALVar.formula_id_to_string $2);
|
|
CTL.CLet ($2, $4, $7) }
|
|
;
|
|
|
|
atomic_formula:
|
|
| TRUE { Logging.out "\tParsed True\n"; CTL.True }
|
|
| FALSE { Logging.out "\tParsed False\n"; CTL.False }
|
|
| identifier LEFT_PAREN actual_params RIGHT_PAREN
|
|
{ Logging.out "\tParsed predicate\n"; CTL.Atomic(ALVar.Formula_id $1, $3) }
|
|
;
|
|
|
|
formula_id_def:
|
|
| identifier { Logging.out "\tParsed formula identifier '%s' \n" $1;
|
|
formal_params := [];
|
|
ALVar.Formula_id $1 }
|
|
;
|
|
|
|
formula_id:
|
|
| identifier { Logging.out "\tParsed formula identifier '%s' \n" $1;
|
|
ALVar.Formula_id $1 }
|
|
;
|
|
|
|
actual_params:
|
|
| {[]}
|
|
| alexp { [$1] }
|
|
| alexp COMMA actual_params { $1 :: $3 }
|
|
;
|
|
|
|
transition_label:
|
|
| identifier { match $1 with
|
|
| "Body" | "body" -> "Body", Some CTL.Body
|
|
| "InitExpr" | "initexpr" -> "InitExpr", Some CTL.InitExpr
|
|
| "Cond" | "cond" -> "Cond", Some CTL.Cond
|
|
| "Parameters" | "parameters" -> "Parameters", Some CTL.Parameters
|
|
| "PointerToDecl" | "pointertodecl" -> "PointerToDecl", Some CTL.PointerToDecl
|
|
| _ -> "None", None }
|
|
;
|
|
|
|
formula_EF:
|
|
| LEFT_PAREN formula RIGHT_PAREN EF { $2 }
|
|
;
|
|
|
|
formula_with_paren:
|
|
| LEFT_PAREN formula RIGHT_PAREN { $2 }
|
|
;
|
|
|
|
formula:
|
|
| formula_with_paren { $1 }
|
|
| formula_id { CTL.Atomic($1, []) }
|
|
| atomic_formula { Logging.out "\tParsed atomic formula\n"; $1 }
|
|
| formula EU formula { Logging.out "\tParsed EU\n"; CTL.EU (None, $1, $3) }
|
|
| formula AU formula { Logging.out "\tParsed AU\n"; CTL.AU (None,$1, $3) }
|
|
| formula AF { Logging.out "\tParsed AF\n"; CTL.AF (None,$1) }
|
|
| formula EX { Logging.out "\tParsed EX\n"; CTL.EX (None, $1) }
|
|
| formula AX { Logging.out "\tParsed AX\n"; CTL.AX (None, $1) }
|
|
| formula EG { Logging.out "\tParsed EG\n"; CTL.EG (None, $1) }
|
|
| formula AG { Logging.out "\tParsed AG\n"; CTL.AG (None, $1) }
|
|
| formula EH node_list { Logging.out "\tParsed EH\n"; CTL.EH ($3, $1) }
|
|
| formula EF { Logging.out "\tParsed EF\n"; CTL.EF (None, $1) }
|
|
| WHEN formula HOLDS_IN_NODE node_list
|
|
{ Logging.out "\tParsed InNode\n"; CTL.InNode ($4, $2)}
|
|
| ET node_list WITH_TRANSITION transition_label formula_EF
|
|
{ Logging.out "\tParsed ET with transition '%s'\n" (fst $4);
|
|
CTL.ET ($2, snd $4, $5)}
|
|
| ETX node_list WITH_TRANSITION transition_label formula_EF
|
|
{ Logging.out "\tParsed ETX ith transition '%s'\n" (fst $4);
|
|
CTL.ETX ($2, snd $4, $5)}
|
|
| EX WITH_TRANSITION transition_label formula_with_paren
|
|
{ Logging.out "\tParsed EX with transition '%s'\n" (fst $3);
|
|
CTL.EX (snd $3, $4)}
|
|
| AX WITH_TRANSITION transition_label formula_with_paren
|
|
{ Logging.out "\tParsed AX with transition '%s'\n" (fst $3);
|
|
CTL.AX (snd $3, $4)}
|
|
| formula AND formula { Logging.out "\tParsed AND\n"; CTL.And ($1, $3) }
|
|
| formula OR formula { Logging.out "\tParsed OR\n"; CTL.Or ($1, $3) }
|
|
| formula IMPLIES formula { Logging.out "\tParsed IMPLIES\n"; CTL.Implies ($1, $3) }
|
|
| NOT formula { Logging.out "\tParsed NOT\n"; CTL.Not ($2) }
|
|
;
|
|
|
|
|
|
alexp:
|
|
| STRING { is_not_infer_reserved_id $1;
|
|
Logging.out "\tParsed string constant '%s' \n" $1;
|
|
ALVar.Const $1 }
|
|
| REGEXP LEFT_PAREN STRING RIGHT_PAREN
|
|
{ Logging.out "\tParsed regular expression '%s' \n" $3;
|
|
ALVar.Regexp $3 }
|
|
| identifier { is_defined_identifier $1; ALVar.Var $1 }
|
|
;
|
|
|
|
identifier:
|
|
| IDENTIFIER { is_not_infer_reserved_id $1;
|
|
Logging.out "\tParsed identifier '%s' \n" $1; $1 }
|
|
;
|
|
|
|
file_identifier:
|
|
| FILE_IDENTIFIER { is_not_infer_reserved_id $1;
|
|
Logging.out "\tParsed file identifier '%s' \n" $1; $1 }
|
|
;
|
|
%%
|