src/HOL/Tools/Predicate_Compile/code_prolog.ML
author bulwahn
Wed, 25 Aug 2010 16:59:48 +0200
changeset 38729 9c9d14827380
parent 38728 182b180e9804
child 38731 2c8a595af43e
permissions -rw-r--r--
improving output of set comprehensions; adding style_check flags
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     1
(*  Title:      HOL/Tools/Predicate_Compile/code_prolog.ML
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     2
    Author:     Lukas Bulwahn, TU Muenchen
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     3
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     4
Prototype of an code generator for logic programming languages (a.k.a. Prolog)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     5
*)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     6
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     7
signature CODE_PROLOG =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
     8
sig
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
     9
  type code_options = {ensure_groundness : bool}
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    10
  val options : code_options ref
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    11
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    12
  datatype arith_op = Plus | Minus
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
    13
  datatype prol_term = Var of string | Cons of string | AppF of string * prol_term list
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    14
    | Number of int | ArithOp of arith_op * prol_term list;
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    15
  datatype prem = Conj of prem list
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    16
    | Rel of string * prol_term list | NotRel of string * prol_term list
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    17
    | Eq of prol_term * prol_term | NotEq of prol_term * prol_term
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    18
    | ArithEq of prol_term * prol_term | NotArithEq of prol_term * prol_term
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    19
    | Ground of string * typ;
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    20
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    21
  type clause = ((string * prol_term list) * prem);
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    22
  type logic_program = clause list;
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    23
  type constant_table = (string * string) list
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    24
    
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    25
  val generate : code_options -> Proof.context -> string list -> (logic_program * constant_table)
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    26
  val write_program : logic_program -> string
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    27
  val run : logic_program -> string -> string list -> int option -> prol_term list list
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    28
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    29
  val trace : bool Unsynchronized.ref
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    30
end;
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    31
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    32
structure Code_Prolog : CODE_PROLOG =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    33
struct
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    34
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    35
(* diagnostic tracing *)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    36
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    37
val trace = Unsynchronized.ref false
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    38
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    39
fun tracing s = if !trace then Output.tracing s else () 
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    40
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    41
(* code generation options *)
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    42
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    43
type code_options = {ensure_groundness : bool}
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    44
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    45
val options = Unsynchronized.ref {ensure_groundness = false};
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    46
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    47
(* general string functions *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    48
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    49
val first_upper = implode o nth_map 0 Symbol.to_ascii_upper o explode;
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    50
val first_lower = implode o nth_map 0 Symbol.to_ascii_lower o explode;
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    51
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    52
(* internal program representation *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    53
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    54
datatype arith_op = Plus | Minus
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    55
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
    56
datatype prol_term = Var of string | Cons of string | AppF of string * prol_term list
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    57
  | Number of int | ArithOp of arith_op * prol_term list;
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    58
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
    59
fun maybe_AppF (c, []) = Cons c
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
    60
  | maybe_AppF (c, xs) = AppF (c, xs)
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
    61
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    62
fun is_Var (Var _) = true
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    63
  | is_Var _ = false
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    64
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    65
fun is_arith_term (Var _) = true
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    66
  | is_arith_term (Number _) = true
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    67
  | is_arith_term (ArithOp (_, operands)) = forall is_arith_term operands
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    68
  | is_arith_term _ = false
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    69
38081
8b02ce312893 removing pointless type information in internal prolog terms
bulwahn
parents: 38080
diff changeset
    70
fun string_of_prol_term (Var s) = "Var " ^ s
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
    71
  | string_of_prol_term (Cons s) = "Cons " ^ s
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
    72
  | string_of_prol_term (AppF (f, args)) = f ^ "(" ^ commas (map string_of_prol_term args) ^ ")" 
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
    73
  | string_of_prol_term (Number n) = "Number " ^ string_of_int n
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
    74
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    75
datatype prem = Conj of prem list
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    76
  | Rel of string * prol_term list | NotRel of string * prol_term list
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
    77
  | Eq of prol_term * prol_term | NotEq of prol_term * prol_term
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    78
  | ArithEq of prol_term * prol_term | NotArithEq of prol_term * prol_term
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    79
  | Ground of string * typ;
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
    80
  
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    81
fun dest_Rel (Rel (c, ts)) = (c, ts)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    82
 
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    83
type clause = ((string * prol_term list) * prem);
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    84
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    85
type logic_program = clause list;
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    86
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    87
(* translation from introduction rules to internal representation *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    88
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    89
(** constant table **)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    90
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    91
type constant_table = (string * string) list
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    92
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
    93
(* assuming no clashing *)
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    94
fun mk_constant_table consts =
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    95
  AList.make (first_lower o Long_Name.base_name) consts
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    96
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    97
fun declare_consts consts constant_table =
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    98
  fold (fn c => AList.update (op =) (c, first_lower (Long_Name.base_name c))) consts constant_table
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
    99
  
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   100
fun translate_const constant_table c =
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   101
  case AList.lookup (op =) constant_table c of
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   102
    SOME c' => c'
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   103
  | NONE => error ("No such constant: " ^ c)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   104
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   105
fun inv_lookup _ [] _ = NONE
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   106
  | inv_lookup eq ((key, value)::xs) value' =
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   107
      if eq (value', value) then SOME key
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   108
      else inv_lookup eq xs value';
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   109
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   110
fun restore_const constant_table c =
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   111
  case inv_lookup (op =) constant_table c of
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   112
    SOME c' => c'
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   113
  | NONE => error ("No constant corresponding to "  ^ c)
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   114
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   115
(** translation of terms, literals, premises, and clauses **)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   116
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   117
fun translate_arith_const @{const_name "Groups.plus_class.plus"} = SOME Plus
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   118
  | translate_arith_const @{const_name "Groups.minus_class.minus"} = SOME Minus
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   119
  | translate_arith_const _ = NONE
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   120
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   121
fun translate_term ctxt constant_table t =
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   122
  case try HOLogic.dest_number t of
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   123
    SOME (@{typ "int"}, n) => Number n
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   124
  | NONE =>
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   125
      (case strip_comb t of
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   126
        (Free (v, T), []) => Var v 
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   127
      | (Const (c, _), []) => Cons (translate_const constant_table c)
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   128
      | (Const (c, _), args) =>
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   129
        (case translate_arith_const c of
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   130
          SOME aop => ArithOp (aop, map (translate_term ctxt constant_table) args)
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   131
        | NONE =>                                                             
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   132
            AppF (translate_const constant_table c, map (translate_term ctxt constant_table) args))
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   133
      | _ => error ("illegal term for translation: " ^ Syntax.string_of_term ctxt t))
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   134
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   135
fun translate_literal ctxt constant_table t =
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   136
  case strip_comb t of
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   137
    (Const (@{const_name "op ="}, _), [l, r]) =>
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   138
      let
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   139
        val l' = translate_term ctxt constant_table l
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   140
        val r' = translate_term ctxt constant_table r
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   141
      in
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   142
        (if is_Var l' andalso is_arith_term r' andalso not (is_Var r') then ArithEq else Eq) (l', r')
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   143
      end
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   144
  | (Const (c, _), args) =>
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   145
      Rel (translate_const constant_table c, map (translate_term ctxt constant_table) args)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   146
  | _ => error ("illegal literal for translation: " ^ Syntax.string_of_term ctxt t)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   147
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   148
fun NegRel_of (Rel lit) = NotRel lit
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   149
  | NegRel_of (Eq eq) = NotEq eq
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   150
  | NegRel_of (ArithEq eq) = NotArithEq eq
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   151
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   152
fun mk_groundness_prems t = map Ground (Term.add_frees t [])
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   153
  
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   154
fun translate_prem options ctxt constant_table t =  
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   155
    case try HOLogic.dest_not t of
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   156
      SOME t =>
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   157
        if #ensure_groundness options then
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   158
          Conj (mk_groundness_prems t @ [NegRel_of (translate_literal ctxt constant_table t)])
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   159
        else
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   160
          NegRel_of (translate_literal ctxt constant_table t)
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   161
    | NONE => translate_literal ctxt constant_table t
38114
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   162
    
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   163
fun imp_prems_conv cv ct =
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   164
  case Thm.term_of ct of
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   165
    Const ("==>", _) $ _ $ _ => Conv.combination_conv (Conv.arg_conv cv) (imp_prems_conv cv) ct
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   166
  | _ => Conv.all_conv ct
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   167
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   168
fun Trueprop_conv cv ct =
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   169
  case Thm.term_of ct of
38558
32ad17fe2b9c tuned quotes
haftmann
parents: 38549
diff changeset
   170
    Const (@{const_name Trueprop}, _) $ _ => Conv.arg_conv cv ct  
38114
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   171
  | _ => raise Fail "Trueprop_conv"
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   172
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   173
fun preprocess_intro thy rule =
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   174
  Conv.fconv_rule
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   175
    (imp_prems_conv
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   176
      (Trueprop_conv (Conv.try_conv (Conv.rewr_conv @{thm Predicate.eq_is_eq}))))
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   177
    (Thm.transfer thy rule)
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   178
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   179
fun translate_intros options ctxt gr const constant_table =
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   180
  let
38114
0f06e3cc04a6 adding preprocessing of introduction rules to replace the constant Predicate.eq in the prolog code generation
bulwahn
parents: 38113
diff changeset
   181
    val intros = map (preprocess_intro (ProofContext.theory_of ctxt)) (Graph.get_node gr const)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   182
    val (intros', ctxt') = Variable.import_terms true (map prop_of intros) ctxt
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   183
    val constant_table' = declare_consts (fold Term.add_const_names intros' []) constant_table
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   184
    fun translate_intro intro =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   185
      let
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   186
        val head = HOLogic.dest_Trueprop (Logic.strip_imp_concl intro)
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   187
        val prems = map HOLogic.dest_Trueprop (Logic.strip_imp_prems intro)
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   188
        val prems' = Conj (map (translate_prem options ctxt' constant_table') prems)
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   189
        val clause = (dest_Rel (translate_literal ctxt' constant_table' head), prems')
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   190
      in clause end
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   191
  in (map translate_intro intros', constant_table') end
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   192
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   193
fun generate options ctxt const =
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   194
  let 
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   195
     fun strong_conn_of gr keys =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   196
      Graph.strong_conn (Graph.subgraph (member (op =) (Graph.all_succs gr keys)) gr)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   197
    val gr = Predicate_Compile_Core.intros_graph_of ctxt
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   198
    val scc = strong_conn_of gr const
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   199
    val constant_table = mk_constant_table (flat scc)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   200
  in
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   201
    apfst flat (fold_map (translate_intros options ctxt gr) (flat scc) constant_table)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   202
  end
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   203
  
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   204
(* add implementation for ground predicates *)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   205
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   206
fun add_ground_typ (Conj prems) = fold add_ground_typ prems
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   207
  | add_ground_typ (Ground (_, T)) = insert (op =) T
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   208
  | add_ground_typ _ = I
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   209
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   210
fun mk_relname (Type (Tcon, Targs)) =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   211
  first_lower (Long_Name.base_name Tcon) ^ space_implode "_" (map mk_relname Targs)
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   212
  | mk_relname _ = raise Fail "unexpected type"
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   213
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   214
(* This is copied from "pat_completeness.ML" *)
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   215
fun inst_constrs_of thy (T as Type (name, _)) =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   216
  map (fn (Cn,CT) =>
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   217
    Envir.subst_term_types (Sign.typ_match thy (body_type CT, T) Vartab.empty) (Const (Cn, CT)))
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   218
    (the (Datatype.get_constrs thy name))
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   219
  | inst_constrs_of thy T = raise TYPE ("inst_constrs_of", [T], [])
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   220
  
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   221
fun mk_ground_impl ctxt (T as Type (Tcon, Targs)) (seen, constant_table) =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   222
  if member (op =) seen T then ([], (seen, constant_table))
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   223
  else
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   224
    let
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   225
      val rel_name = mk_relname T
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   226
      fun mk_impl (Const (constr_name, T)) (seen, constant_table) =
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   227
        let
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   228
          val constant_table' = declare_consts [constr_name] constant_table
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   229
          val (rec_clauses, (seen', constant_table'')) =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   230
            fold_map (mk_ground_impl ctxt) (binder_types T) (seen, constant_table')
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   231
          val vars = map (fn i => Var ("x" ^ string_of_int i)) (1 upto (length (binder_types T)))    
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   232
          fun mk_prem v T = Rel (mk_relname T, [v])
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   233
          val clause =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   234
            ((rel_name, [maybe_AppF (translate_const constant_table'' constr_name, vars)]),
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   235
             Conj (map2 mk_prem vars (binder_types T)))
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   236
        in
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   237
          (clause :: flat rec_clauses, (seen', constant_table''))
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   238
        end
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   239
      val constrs = inst_constrs_of (ProofContext.theory_of ctxt) T
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   240
    in apfst flat (fold_map mk_impl constrs (T :: seen, constant_table)) end
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   241
 | mk_ground_impl ctxt T (seen, constant_table) =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   242
   raise Fail ("unexpected type :" ^ Syntax.string_of_typ ctxt T)
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   243
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   244
fun replace_ground (Conj prems) = Conj (map replace_ground prems)
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   245
  | replace_ground (Ground (x, T)) =
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   246
    Rel (mk_relname T, [Var x])  
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   247
  | replace_ground p = p
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   248
  
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   249
fun add_ground_predicates ctxt (p, constant_table) =
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   250
  let
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   251
    val ground_typs = fold (add_ground_typ o snd) p []
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   252
    val (grs, (_, constant_table')) = fold_map (mk_ground_impl ctxt) ground_typs ([], constant_table)
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   253
    val p' = map (apsnd replace_ground) p
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   254
  in
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   255
    ((flat grs) @ p', constant_table')
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   256
  end
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   257
    
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   258
(* code printer *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   259
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   260
fun write_arith_op Plus = "+"
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   261
  | write_arith_op Minus = "-"
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   262
38081
8b02ce312893 removing pointless type information in internal prolog terms
bulwahn
parents: 38080
diff changeset
   263
fun write_term (Var v) = first_upper v
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   264
  | write_term (Cons c) = c
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   265
  | write_term (AppF (f, args)) = f ^ "(" ^ space_implode ", " (map write_term args) ^ ")"
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   266
  | write_term (ArithOp (oper, [a1, a2])) = write_term a1 ^ " " ^ write_arith_op oper ^ " " ^ write_term a2
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   267
  | write_term (Number n) = string_of_int n
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   268
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   269
fun write_rel (pred, args) =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   270
  pred ^ "(" ^ space_implode ", " (map write_term args) ^ ")" 
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   271
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   272
fun write_prem (Conj prems) = space_implode ", " (map write_prem prems)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   273
  | write_prem (Rel p) = write_rel p  
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   274
  | write_prem (NotRel p) = "not(" ^ write_rel p ^ ")"
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   275
  | write_prem (Eq (l, r)) = write_term l ^ " = " ^ write_term r
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   276
  | write_prem (NotEq (l, r)) = write_term l ^ " \\= " ^ write_term r
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   277
  | write_prem (ArithEq (l, r)) = write_term l ^ " is " ^ write_term r
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   278
  | write_prem (NotArithEq (l, r)) = write_term l ^ " =\\= " ^ write_term r
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   279
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   280
fun write_clause (head, prem) =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   281
  write_rel head ^ (if prem = Conj [] then "." else " :- " ^ write_prem prem ^ ".")
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   282
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   283
fun write_program p =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   284
  cat_lines (map write_clause p) 
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   285
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   286
(** query templates **)
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   287
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   288
fun query_first rel vnames =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   289
  "eval :- once("  ^ rel ^ "(" ^ space_implode ", " vnames ^ ")),\n" ^
38082
61280b97b761 adapting output for first solution
bulwahn
parents: 38081
diff changeset
   290
  "writef('" ^ space_implode ";" (map (fn v => v ^ " = %w") vnames) ^
61280b97b761 adapting output for first solution
bulwahn
parents: 38081
diff changeset
   291
  "\\n', [" ^ space_implode ", " vnames ^ "]).\n"
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   292
  
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   293
fun query_firstn n rel vnames =
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   294
  "eval :- findnsols(" ^ string_of_int n ^ ", (" ^ space_implode ", " vnames ^ "), " ^
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   295
    rel ^ "(" ^ space_implode ", " vnames ^ "), Sols), writelist(Sols).\n" ^
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   296
    "writelist([]).\n" ^
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   297
    "writelist([(" ^ space_implode ", " vnames ^ ")|T]) :- " ^
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   298
    "writef('" ^ space_implode ";" (map (fn v => v ^ " = %w") vnames) ^
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   299
    "\\n', [" ^ space_implode ", " vnames ^ "]), writelist(T).\n"
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   300
  
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   301
val prelude =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   302
  "#!/usr/bin/swipl -q -t main -f\n\n" ^
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   303
  ":- use_module(library('dialect/ciao/aggregates')).\n" ^
38729
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   304
  ":- style_check(-singleton).\n" ^
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   305
  ":- style_check(-discontiguous).\n" ^ 	
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   306
  ":- style_check(-atom).\n\n" ^
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   307
  "main :- catch(eval, E, (print_message(error, E), fail)), halt.\n" ^
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   308
  "main :- halt(1).\n"
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   309
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   310
(* parsing prolog solution *)
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   311
val scan_number =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   312
  Scan.many1 Symbol.is_ascii_digit
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   313
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   314
val scan_atom =
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   315
  Scan.many1 (fn s => Symbol.is_ascii_lower s orelse Symbol.is_ascii_digit s orelse Symbol.is_ascii_quasi s)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   316
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   317
val scan_var =
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   318
  Scan.many1
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   319
    (fn s => Symbol.is_ascii_upper s orelse Symbol.is_ascii_digit s orelse Symbol.is_ascii_quasi s)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   320
38076
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   321
val scan_ident =
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   322
  Scan.repeat (Scan.one
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   323
    (fn s => Symbol.is_ascii_letter s orelse Symbol.is_ascii_digit s orelse Symbol.is_ascii_quasi s))
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   324
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   325
fun dest_Char (Symbol.Char s) = s
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   326
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   327
val string_of = concat o map (dest_Char o Symbol.decode)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   328
38076
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   329
val is_atom_ident = forall Symbol.is_ascii_lower
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   330
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   331
val is_var_ident =
2a9c14d9d2ef correcting scanning
bulwahn
parents: 38075
diff changeset
   332
  forall (fn s => Symbol.is_ascii_upper s orelse Symbol.is_ascii_digit s orelse Symbol.is_ascii_quasi s)
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   333
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   334
fun int_of_symbol_list xs = fold (fn x => fn s => s * 10 + (ord x - ord "0")) xs 0
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   335
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   336
fun scan_terms xs = (((scan_term --| $$ ",") ::: scan_terms)
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   337
  || (scan_term >> single)) xs
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   338
and scan_term xs =
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   339
  ((scan_number >> (Number o int_of_symbol_list))
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   340
  || (scan_var >> (Var o string_of))
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   341
  || ((scan_atom -- ($$ "(" |-- scan_terms --| $$ ")"))
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   342
    >> (fn (f, ts) => AppF (string_of f, ts)))
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   343
  || (scan_atom >> (Cons o string_of))) xs
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   344
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   345
val parse_term = fst o Scan.finite Symbol.stopper
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   346
    (Scan.error (!! (fn _ => raise Fail "parsing prolog output failed")) scan_term)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   347
  o explode
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   348
  
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   349
fun parse_solutions sol =
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   350
  let
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   351
    fun dest_eq s = case space_explode "=" s of
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   352
        (l :: r :: []) => parse_term (unprefix " " r)
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   353
      | _ => raise Fail "unexpected equation in prolog output"
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   354
    fun parse_solution s = map dest_eq (space_explode ";" s)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   355
  in
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   356
    map parse_solution (fst (split_last (space_explode "\n" sol)))
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   357
  end 
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   358
  
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   359
(* calling external interpreter and getting results *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   360
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   361
fun run p query_rel vnames nsols =
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   362
  let
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   363
    val cmd = Path.named_root
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   364
    val query = case nsols of NONE => query_first | SOME n => query_firstn n 
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   365
    val prog = prelude ^ query query_rel vnames ^ write_program p
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   366
    val _ = tracing ("Generated prolog program:\n" ^ prog)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   367
    val prolog_file = File.tmp_path (Path.basic "prolog_file")
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   368
    val _ = File.write prolog_file prog
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   369
    val (solution, _) = bash_output ("/usr/local/bin/swipl -f " ^ File.shell_path prolog_file)
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   370
    val _ = tracing ("Prolog returned solution(s):\n" ^ solution)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   371
    val tss = parse_solutions solution
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   372
  in
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   373
    tss
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   374
  end
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   375
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   376
(* values command *)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   377
38081
8b02ce312893 removing pointless type information in internal prolog terms
bulwahn
parents: 38080
diff changeset
   378
fun restore_term ctxt constant_table (Var s, T) = Free (s, T)
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   379
  | restore_term ctxt constant_table (Number n, @{typ "int"}) = HOLogic.mk_number @{typ "int"} n
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   380
  | restore_term ctxt constant_table (Number n, _) = raise (Fail "unexpected type for number") 
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   381
  | restore_term ctxt constant_table (Cons s, T) = Const (restore_const constant_table s, T)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   382
  | restore_term ctxt constant_table (AppF (f, args), T) =
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   383
    let
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   384
      val thy = ProofContext.theory_of ctxt
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   385
      val c = restore_const constant_table f
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   386
      val cT = Sign.the_const_type thy c
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   387
      val (argsT, resT) = strip_type cT
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   388
      val subst = Sign.typ_match thy (resT, T) Vartab.empty
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   389
      val argsT' = map (Envir.subst_type subst) argsT
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   390
    in
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   391
      list_comb (Const (c, Envir.subst_type subst cT),
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   392
        map (restore_term ctxt constant_table) (args ~~ argsT'))
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   393
    end
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   394
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   395
fun values ctxt soln t_compr =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   396
  let
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   397
    val options = !options
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   398
    val split = case t_compr of (Const (@{const_name Collect}, _) $ t) => t
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   399
      | _ => error ("Not a set comprehension: " ^ Syntax.string_of_term ctxt t_compr);
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   400
    val (body, Ts, fp) = HOLogic.strip_psplits split;
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   401
    val output_names = Name.variant_list (Term.add_free_names body [])
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   402
      (map (fn i => "x" ^ string_of_int i) (1 upto length Ts))
38080
8c20eb9a388d cleaning example file; more natural ordering of variable names
bulwahn
parents: 38079
diff changeset
   403
    val output_frees = rev (map2 (curry Free) output_names Ts)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   404
    val body = subst_bounds (output_frees, body)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   405
    val (pred as Const (name, T), all_args) =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   406
      case strip_comb body of
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   407
        (Const (name, T), all_args) => (Const (name, T), all_args)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   408
      | (head, _) => error ("Not a constant: " ^ Syntax.string_of_term ctxt head)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   409
    val vnames =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   410
      case try (map (fst o dest_Free)) all_args of
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   411
        SOME vs => vs
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   412
      | NONE => error ("Not only free variables in " ^ commas (map (Syntax.string_of_term ctxt) all_args))
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   413
    val _ = tracing "Generating prolog program..."
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   414
    val (p, constant_table) = generate options ctxt [name]
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   415
      |> (if #ensure_groundness options then add_ground_predicates ctxt else I)
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   416
    val _ = tracing "Running prolog program..."
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   417
    val tss = run p (translate_const constant_table name) (map first_upper vnames) soln
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   418
    val _ = tracing "Restoring terms..."
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   419
    val empty = Const("Orderings.bot_class.bot", fastype_of t_compr)
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   420
    fun mk_insert x S =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   421
      Const (@{const_name "Set.insert"}, fastype_of x --> fastype_of S --> fastype_of S) $ x $ S 
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   422
    fun mk_set_compr in_insert [] xs =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   423
       rev ((Free ("...", fastype_of t_compr)) ::
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   424
        (if null in_insert then xs else (fold mk_insert in_insert empty) :: xs))
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   425
      | mk_set_compr in_insert (t :: ts) xs =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   426
        let
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   427
          val frees = Term.add_frees t []
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   428
        in
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   429
          if null frees then
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   430
            mk_set_compr (t :: in_insert) ts xs
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   431
          else
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   432
            let
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   433
              val uu as (uuN, uuT) = singleton (Variable.variant_frees ctxt [t]) ("uu", fastype_of t)
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   434
              val set_compr =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   435
                HOLogic.mk_Collect (uuN, uuT, fold (fn (s, T) => fn t => HOLogic.mk_exists (s, T, t))
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   436
                  frees (HOLogic.mk_conj (HOLogic.mk_eq (Free uu, t), @{term "True"})))
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   437
            in
38729
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   438
              mk_set_compr [] ts
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   439
                (set_compr :: (if null in_insert then xs else (fold mk_insert in_insert empty) :: xs))  
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   440
            end
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   441
        end
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   442
  in
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   443
      foldl1 (HOLogic.mk_binop @{const_name sup}) (mk_set_compr []
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   444
        (map (fn ts => HOLogic.mk_tuple (map (restore_term ctxt constant_table) (ts ~~ Ts))) tss) [])
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   445
  end
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   446
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   447
fun values_cmd print_modes soln raw_t state =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   448
  let
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   449
    val ctxt = Toplevel.context_of state
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   450
    val t = Syntax.read_term ctxt raw_t
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   451
    val t' = values ctxt soln t
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   452
    val ty' = Term.type_of t'
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   453
    val ctxt' = Variable.auto_fixes t' ctxt
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   454
    val _ = tracing "Printing terms..."
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   455
    val p = Print_Mode.with_modes print_modes (fn () =>
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   456
      Pretty.block [Pretty.quote (Syntax.pretty_term ctxt' t'), Pretty.fbrk,
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   457
        Pretty.str "::", Pretty.brk 1, Pretty.quote (Syntax.pretty_typ ctxt' ty')]) ();
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   458
  in Pretty.writeln p end;
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   459
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   460
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   461
(* renewing the values command for Prolog queries *)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   462
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   463
val opt_print_modes =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   464
  Scan.optional (Parse.$$$ "(" |-- Parse.!!! (Scan.repeat1 Parse.xname --| Parse.$$$ ")")) [];
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   465
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   466
val _ = Outer_Syntax.improper_command "values" "enumerate and print comprehensions" Keyword.diag
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   467
  (opt_print_modes -- Scan.optional (Parse.nat >> SOME) NONE -- Parse.term
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   468
   >> (fn ((print_modes, soln), t) => Toplevel.keep
38504
76965c356d2a removed Code_Prolog: modifies global environment setup non-conservatively
haftmann
parents: 38115
diff changeset
   469
        (values_cmd print_modes soln t))); (*FIXME does not preserve the previous functionality*)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   470
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   471
end;