author | wenzelm |
Fri, 28 Dec 2018 16:58:27 +0100 | |
changeset 69524 | fa94f2b2a877 |
parent 68827 | 1286ca9dfd26 |
child 69574 | b4ea943ce0b7 |
permissions | -rw-r--r-- |
24114 | 1 |
(* Title: Pure/config.ML |
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Author: Makarius |
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Configuration options as values within the local context. |
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*) |
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signature CONFIG = |
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sig |
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datatype value = Bool of bool | Int of int | Real of real | String of string |
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val print_value: value -> string |
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val print_type: value -> string |
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type 'a T |
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39163
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39116
diff
changeset
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type raw = value T |
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39116
diff
changeset
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val bool: raw -> bool T |
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39116
diff
changeset
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val int: raw -> int T |
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val real: raw -> real T |
39163
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39116
diff
changeset
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val string: raw -> string T |
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val get: Proof.context -> 'a T -> 'a |
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val map: 'a T -> ('a -> 'a) -> Proof.context -> Proof.context |
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val put: 'a T -> 'a -> Proof.context -> Proof.context |
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68827 | 21 |
val restore: 'a T -> Proof.context -> Proof.context -> Proof.context |
36787
f60e4dd6d76f
renamed Config.get_thy to Config.get_global etc. to indicate that this is not the real thing;
wenzelm
parents:
36002
diff
changeset
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val get_global: theory -> 'a T -> 'a |
f60e4dd6d76f
renamed Config.get_thy to Config.get_global etc. to indicate that this is not the real thing;
wenzelm
parents:
36002
diff
changeset
|
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val map_global: 'a T -> ('a -> 'a) -> theory -> theory |
f60e4dd6d76f
renamed Config.get_thy to Config.get_global etc. to indicate that this is not the real thing;
wenzelm
parents:
36002
diff
changeset
|
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val put_global: 'a T -> 'a -> theory -> theory |
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val restore_global: 'a T -> theory -> theory -> theory |
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val get_generic: Context.generic -> 'a T -> 'a |
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val map_generic: 'a T -> ('a -> 'a) -> Context.generic -> Context.generic |
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val put_generic: 'a T -> 'a -> Context.generic -> Context.generic |
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val restore_generic: 'a T -> Context.generic -> Context.generic -> Context.generic |
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val declare: string * Position.T -> (Context.generic -> value) -> raw |
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val declare_option: string * Position.T -> raw |
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val name_of: 'a T -> string |
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val pos_of: 'a T -> Position.T |
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end; |
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structure Config: CONFIG = |
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struct |
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(* simple values *) |
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datatype value = |
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Bool of bool | |
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Int of int | |
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Real of real | |
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String of string; |
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fun print_value (Bool true) = "true" |
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| print_value (Bool false) = "false" |
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| print_value (Int i) = signed_string_of_int i |
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| print_value (Real x) = Value.print_real x |
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| print_value (String s) = quote s; |
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fun print_type (Bool _) = "bool" |
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| print_type (Int _) = "int" |
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| print_type (Real _) = "real" |
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| print_type (String _) = "string"; |
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fun same_type (Bool _) (Bool _) = true |
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| same_type (Int _) (Int _) = true |
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| same_type (Real _) (Real _) = true |
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| same_type (String _) (String _) = true |
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| same_type _ _ = false; |
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fun type_check (name, pos) f value = |
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let |
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val value' = f value; |
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val _ = same_type value value' orelse |
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error ("Ill-typed configuration option " ^ quote name ^ Position.here pos ^ ": " ^ |
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print_type value ^ " expected,\nbut " ^ print_type value' ^ " was found"); |
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in value' end; |
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(* abstract configuration options *) |
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datatype 'a T = Config of |
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{name: string, |
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pos: Position.T, |
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get_value: Context.generic -> 'a, |
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map_value: ('a -> 'a) -> Context.generic -> Context.generic}; |
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||
39163
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39116
diff
changeset
|
81 |
type raw = value T; |
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39116
diff
changeset
|
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fun coerce make dest (Config {name, pos, get_value, map_value}) = Config |
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{name = name, |
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pos = pos, |
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get_value = dest o get_value, |
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map_value = fn f => map_value (make o f o dest)}; |
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val bool = coerce Bool (fn Bool b => b); |
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val int = coerce Int (fn Int i => i); |
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val real = coerce Real (fn Real x => x); |
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val string = coerce String (fn String s => s); |
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fun get_generic context (Config {get_value, ...}) = get_value context; |
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fun map_generic (Config {map_value, ...}) f context = map_value f context; |
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fun put_generic config value = map_generic config (K value); |
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fun restore_generic config context = put_generic config (get_generic context config); |
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fun get_ctxt ctxt = get_generic (Context.Proof ctxt); |
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fun map_ctxt config f = Context.proof_map (map_generic config f); |
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fun put_ctxt config value = map_ctxt config (K value); |
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fun restore_ctxt config ctxt = put_ctxt config (get_ctxt ctxt config); |
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|
36787
f60e4dd6d76f
renamed Config.get_thy to Config.get_global etc. to indicate that this is not the real thing;
wenzelm
parents:
36002
diff
changeset
|
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fun get_global thy = get_generic (Context.Theory thy); |
f60e4dd6d76f
renamed Config.get_thy to Config.get_global etc. to indicate that this is not the real thing;
wenzelm
parents:
36002
diff
changeset
|
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fun map_global config f = Context.theory_map (map_generic config f); |
f60e4dd6d76f
renamed Config.get_thy to Config.get_global etc. to indicate that this is not the real thing;
wenzelm
parents:
36002
diff
changeset
|
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fun put_global config value = map_global config (K value); |
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fun restore_global config thy = put_global config (get_global thy config); |
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(* context information *) |
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structure Data = Generic_Data |
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( |
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type T = value Inttab.table; |
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val empty = Inttab.empty; |
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val extend = I; |
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fun merge data = Inttab.merge (K true) data; |
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); |
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||
58951
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
|
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fun declare (name, pos) default = |
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let |
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val id = serial (); |
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36000
5560b2437789
configuration options admit dynamic default values;
wenzelm
parents:
33519
diff
changeset
|
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fun get_value context = |
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(case Inttab.lookup (Data.get context) id of |
36000
5560b2437789
configuration options admit dynamic default values;
wenzelm
parents:
33519
diff
changeset
|
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SOME value => value |
36002
f4f343500249
pass raw Context.generic, to avoid wasteful Context.proof_of -- Config.get_thy is often used in performance critical spots like unify.ML;
wenzelm
parents:
36000
diff
changeset
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| NONE => default context); |
36000
5560b2437789
configuration options admit dynamic default values;
wenzelm
parents:
33519
diff
changeset
|
128 |
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58951
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
|
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fun map_value f context = |
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Data.map (Inttab.update (id, type_check (name, pos) f (get_value context))) context; |
58951
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
|
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in |
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
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Config {name = name, pos = pos, get_value = get_value, map_value = map_value} |
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
|
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end; |
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58951
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
|
135 |
fun declare_option (name, pos) = |
51947
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
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let |
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
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val typ = Options.default_typ name; |
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
|
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val default = |
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
|
139 |
if typ = Options.boolT then fn _ => Bool (Options.default_bool name) |
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
|
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else if typ = Options.intT then fn _ => Int (Options.default_int name) |
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
|
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else if typ = Options.realT then fn _ => Real (Options.default_real name) |
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
|
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else if typ = Options.stringT then fn _ => String (Options.default_string name) |
56438 | 143 |
else error ("Unknown type for option " ^ quote name ^ Position.here pos ^ " : " ^ quote typ); |
58951
8b7caf447357
removed obsolete global-only options, which did not work out anyway (due to complexity of local_theory sandwich);
wenzelm
parents:
57858
diff
changeset
|
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in declare (name, pos) default end; |
51947
3301612c4893
support for system options as context-sensitive config options;
wenzelm
parents:
47814
diff
changeset
|
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fun name_of (Config {name, ...}) = name; |
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fun pos_of (Config {pos, ...}) = pos; |
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(*final declarations of this structure!*) |
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val get = get_ctxt; |
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val map = map_ctxt; |
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val put = put_ctxt; |
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val restore = restore_ctxt; |
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end; |