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authorMarcos Magueta <maguetamarcos@gmail.com>2026-06-23 23:53:26 -0300
committerGitHub <noreply@github.com>2026-06-23 23:53:26 -0300
commitc284fcd570342c31bc21169960579a20a763e32e (patch)
treece7485055116d794c55090ad0978e0b3f5ff4c2a /lib/ddl
parentb81586ee4a0543a5f9866586c78dccdd6328934a (diff)
downloadSakura-c284fcd570342c31bc21169960579a20a763e32e.tar.gz
Sakura-c284fcd570342c31bc21169960579a20a763e32e.zip
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Diffstat (limited to '')
-rw-r--r--lib/ddl/ast.ml10
-rw-r--r--lib/ddl/executor.ml73
-rw-r--r--lib/ddl/parser.ml1
-rw-r--r--lib/ddl/sublanguage.ml1
4 files changed, 37 insertions, 48 deletions
diff --git a/lib/ddl/ast.ml b/lib/ddl/ast.ml
index e1e5bad..86af755 100644
--- a/lib/ddl/ast.ml
+++ b/lib/ddl/ast.ml
@@ -1,16 +1,12 @@
open Sexplib.Std
-type cardinality_spec =
- | Finite of int
- | AlephZero
- | Continuum
- | ConstrainedFinite
+type cardinality_spec = Finite of int | AlephZero | Continuum | ConstrainedFinite
[@@deriving sexp]
type statement =
| CreateMultigroup of string
- | CreateRelation of { name : string; schema : (string * string) list }
+ | CreateRelation of {name: string; schema: (string * string) list}
| RetractRelation of string
| ClearRelation of string
- | RegisterDomain of { name : string; cardinality : cardinality_spec }
+ | RegisterDomain of {name: string; cardinality: cardinality_spec}
[@@deriving sexp]
diff --git a/lib/ddl/executor.ml b/lib/ddl/executor.ml
index a47c911..c16ff1f 100644
--- a/lib/ddl/executor.ml
+++ b/lib/ddl/executor.ml
@@ -1,15 +1,17 @@
module Make (NT : Nt.S) = struct
module Error = struct
open Condition
+
(* TODO: more structure *)
- let relation_not_found name = condition "relation-not-found" "Relation not found" ("name" |=| (of_string name))
- let multigroup_not_found name = condition "multigroup-not-found" "Multigroup not found" ("name" |=| (of_string name))
+ let relation_not_found name =
+ condition "relation-not-found" "Relation not found" ("name" |=| of_string name)
+
+ let multigroup_not_found name =
+ condition "multigroup-not-found" "Multigroup not found" ("name" |=| of_string name)
end
let ( let* ) = Result.bind
-
- let parse_fqn (s : string) : (Qualified_name.t, Condition.t) result =
- Qualified_name.try_parse s
+ let parse_fqn (s : string) : (Qualified_name.t, Condition.t) result = Qualified_name.try_parse s
let lookup_mg (ctx : Sublanguage_context.t) (mg_name : string) :
(Management.Multigroup.multigroup, Condition.t) result =
@@ -17,8 +19,7 @@ module Make (NT : Nt.S) = struct
| Some mg -> Ok mg
| None -> Error (Error.multigroup_not_found mg_name)
- let convert_cardinality : Ast.cardinality_spec -> Conventions.Cardinality.t =
- function
+ let convert_cardinality : Ast.cardinality_spec -> Conventions.Cardinality.t = function
| Ast.Finite n -> Conventions.Cardinality.Finite n
| Ast.AlephZero -> Conventions.Cardinality.AlephZero
| Ast.Continuum -> Conventions.Cardinality.Continuum
@@ -32,57 +33,49 @@ module Make (NT : Nt.S) = struct
let bh = ctx.write_handle in
let branch_name = ctx.branch#name in
match stmt with
- | Ast.CreateMultigroup name ->
+ | Ast.CreateMultigroup name -> (
ctx.branch#add_multigroup ~name;
- (match ctx.branch#mg_of name with
- | Some mg -> Ok ([ (name, mg) ], "Multigroup created: " ^ name)
- | None -> Error (Error.multigroup_not_found name))
- | Ast.CreateRelation { name; schema = schema_pairs } ->
+ match ctx.branch#mg_of name with
+ | Some mg -> Ok ([name, mg], "Multigroup created: " ^ name)
+ | None -> Error (Error.multigroup_not_found name) )
+ | Ast.CreateRelation {name; schema= schema_pairs} ->
let* fqn = parse_fqn name in
let* mg = lookup_mg ctx fqn.mg in
let schema =
- List.fold_left
- (fun s (attr, dom) -> Schema.add attr dom s)
- Schema.empty schema_pairs
- in
- let* _bh, new_mg =
- NT.create_relation bh mg ~branch_name ~name:fqn.name ~schema
+ List.fold_left (fun s (attr, dom) -> Schema.add attr dom s) Schema.empty schema_pairs
in
+ let* _bh, new_mg = NT.create_relation bh mg ~branch_name ~name:fqn.name ~schema in
ctx.branch#set_mg ~name:fqn.mg new_mg;
- Ok ([ (fqn.mg, new_mg) ], "Relation created: " ^ name)
+ Ok ([fqn.mg, new_mg], "Relation created: " ^ name)
| Ast.RetractRelation name ->
let* fqn = parse_fqn name in
let* mg = lookup_mg ctx fqn.mg in
- let* _bh, new_mg =
- NT.retract_relation bh mg ~name:fqn.name
- in
+ let* _bh, new_mg = NT.retract_relation bh mg ~name:fqn.name in
ctx.branch#set_mg ~name:fqn.mg new_mg;
- Ok ([ (fqn.mg, new_mg) ], "Relation retracted: " ^ name)
- | Ast.ClearRelation name ->
+ Ok ([fqn.mg, new_mg], "Relation retracted: " ^ name)
+ | Ast.ClearRelation name -> (
let* fqn = parse_fqn name in
let* mg = lookup_mg ctx fqn.mg in
- (match mg#get_relation fqn.name with
- | None -> Error (Error.relation_not_found name)
- | Some rel ->
- let* _bh, new_mg =
- NT.clear_relation bh mg
- ~branch_name ~mg_name:fqn.mg
- (rel :> Relation.relation)
- in
- ctx.branch#set_mg ~name:fqn.mg new_mg;
- Ok ([ (fqn.mg, new_mg) ], "Relation cleared: " ^ name))
- | Ast.RegisterDomain { name; cardinality } ->
+ match mg#get_relation fqn.name with
+ | None -> Error (Error.relation_not_found name)
+ | Some rel ->
+ let* _bh, new_mg =
+ NT.clear_relation bh mg ~branch_name ~mg_name:fqn.mg (rel :> Relation.relation)
+ in
+ ctx.branch#set_mg ~name:fqn.mg new_mg;
+ Ok ([fqn.mg, new_mg], "Relation cleared: " ^ name) )
+ | Ast.RegisterDomain {name; cardinality} ->
let* fqn = parse_fqn name in
let* mg = lookup_mg ctx fqn.mg in
let domain : Relation.domain =
- new Relation.domain ~name:fqn.name
+ new Relation.domain
+ ~name:fqn.name
~generator:(fun _ -> Generator.Error "not enumerable via DDL")
~membership_criteria:(fun _ -> true)
- ~cardinality:(convert_cardinality cardinality)
- ~schema:Schema.empty ~provenance:None ~lineage:None
- ~constraints:None
+ ~cardinality:(convert_cardinality cardinality) ~schema:Schema.empty ~provenance:None
+ ~lineage:None ~constraints:None
in
let* _bh, new_mg = NT.register_domain bh mg domain in
ctx.branch#set_mg ~name:fqn.mg new_mg;
- Ok ([ (fqn.mg, new_mg) ], "Domain registered: " ^ name)
+ Ok ([fqn.mg, new_mg], "Domain registered: " ^ name)
end
diff --git a/lib/ddl/parser.ml b/lib/ddl/parser.ml
index a4df914..094b0fd 100644
--- a/lib/ddl/parser.ml
+++ b/lib/ddl/parser.ml
@@ -1,5 +1,6 @@
module Error = struct
open Condition
+
let parse_error msg = condition "parse-error" msg empty
end
diff --git a/lib/ddl/sublanguage.ml b/lib/ddl/sublanguage.ml
index 33145c4..da3ba3a 100644
--- a/lib/ddl/sublanguage.ml
+++ b/lib/ddl/sublanguage.ml
@@ -6,7 +6,6 @@ module Make (NT : Nt.S) = struct
let name = "ddl"
let parse _ = Ok ()
-
let parse_sexp sexp = Parser.of_sexp sexp
let execute ctx ast =