author | haftmann |
Thu, 27 Feb 2014 18:07:53 +0100 | |
changeset 55776 | 7dd1971b39c1 |
parent 55684 | ee49b4f7edc8 |
child 56826 | ba18bd41e510 |
permissions | -rw-r--r-- |
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(* Title: Tools/Code/code_namespace.ML |
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Author: Florian Haftmann, TU Muenchen |
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Mastering target language namespaces. |
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*) |
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signature CODE_NAMESPACE = |
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sig |
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datatype export = Private | Opaque | Public |
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val is_public: export -> bool |
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val not_private: export -> bool |
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val join_exports: export list -> export |
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type flat_program |
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val flat_program: Proof.context |
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-> { module_prefix: string, module_name: string, |
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reserved: Name.context, identifiers: Code_Target.identifier_data, empty_nsp: 'a, |
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namify_stmt: Code_Thingol.stmt -> string -> 'a -> string * 'a, |
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modify_stmt: Code_Thingol.stmt -> Code_Thingol.stmt option } |
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-> Code_Symbol.T list -> Code_Thingol.program |
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-> { deresolver: string -> Code_Symbol.T -> string, |
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flat_program: flat_program } |
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datatype ('a, 'b) node = |
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Dummy |
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| Stmt of export * 'a |
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| Module of ('b * (string * ('a, 'b) node) Code_Symbol.Graph.T) |
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type ('a, 'b) hierarchical_program |
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val hierarchical_program: Proof.context |
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-> { module_name: string, |
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reserved: Name.context, identifiers: Code_Target.identifier_data, |
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empty_nsp: 'c, namify_module: string -> 'c -> string * 'c, |
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namify_stmt: Code_Thingol.stmt -> string -> 'c -> string * 'c, |
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cyclic_modules: bool, |
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class_transitive: bool, class_relation_public: bool, |
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empty_data: 'b, memorize_data: Code_Symbol.T -> 'b -> 'b, |
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modify_stmts: (Code_Symbol.T * (export * Code_Thingol.stmt)) list -> (export * 'a) option list } |
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-> Code_Symbol.T list -> Code_Thingol.program |
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-> { deresolver: string list -> Code_Symbol.T -> string, |
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hierarchical_program: ('a, 'b) hierarchical_program } |
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val print_hierarchical: { print_module: string list -> string -> 'b -> 'c list -> 'c, |
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print_stmt: string list -> Code_Symbol.T * (export * 'a) -> 'c, |
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lift_markup: (Pretty.T -> Pretty.T) -> 'c -> 'c } |
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-> ('a, 'b) hierarchical_program -> 'c list |
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end; |
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structure Code_Namespace : CODE_NAMESPACE = |
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struct |
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(** export **) |
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datatype export = Private | Opaque | Public; |
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fun is_public Public = true |
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| is_public _ = false; |
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fun not_private Public = true |
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| not_private Opaque = true |
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| not_private _ = false; |
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fun mark_export Public _ = Public |
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| mark_export _ Public = Public |
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| mark_export Opaque _ = Opaque |
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| mark_export _ Opaque = Opaque |
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| mark_export _ _ = Private; |
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fun join_exports exports = fold mark_export exports Private; |
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fun dependent_exports { program = program, class_transitive = class_transitive } = |
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let |
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fun is_datatype_or_class (Code_Symbol.Type_Constructor _) = true |
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| is_datatype_or_class (Code_Symbol.Type_Class _) = true |
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| is_datatype_or_class _ = false; |
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fun is_relevant (Code_Symbol.Class_Relation _) = true |
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| is_relevant sym = is_datatype_or_class sym; |
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val proto_gr = Code_Symbol.Graph.restrict is_relevant program; |
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val gr = |
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proto_gr |
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|> Code_Symbol.Graph.fold |
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(fn (sym, (_, (_, deps))) => |
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if is_relevant sym |
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then I |
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else |
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Code_Symbol.Graph.new_node (sym, Code_Thingol.NoStmt) |
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#> Code_Symbol.Graph.Keys.fold |
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(fn sym' => |
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if is_relevant sym' |
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then Code_Symbol.Graph.add_edge (sym, sym') |
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else I) deps) program |
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|> class_transitive ? |
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Code_Symbol.Graph.fold (fn (sym as Code_Symbol.Type_Class _, _) => |
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fold (curry Code_Symbol.Graph.add_edge sym) |
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((remove (op =) sym o Code_Symbol.Graph.all_succs proto_gr) [sym]) | _ => I) proto_gr |
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fun deps_of sym = |
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let |
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val succs = Code_Symbol.Graph.Keys.dest o Code_Symbol.Graph.imm_succs gr; |
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val deps1 = succs sym; |
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val deps2 = [] |> fold (union (op =)) (map succs deps1) |> subtract (op =) deps1 |
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in (deps1, deps2) end; |
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in |
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{ is_datatype_or_class = is_datatype_or_class, |
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deps_of = deps_of } |
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end; |
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fun mark_exports_aux { program = program, prefix_of = prefix_of, map_export = map_export, |
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is_datatype_or_class = is_datatype_or_class, deps_of = deps_of, |
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class_relation_public = class_relation_public } prefix sym = |
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let |
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val export = (if is_datatype_or_class sym then Opaque else Public); |
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val (dependent_export1, dependent_export2) = |
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case Code_Symbol.Graph.get_node program sym of |
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Code_Thingol.Fun _ => (SOME Opaque, NONE) |
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| Code_Thingol.Classinst _ => (SOME Opaque, NONE) |
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| Code_Thingol.Datatypecons _ => (SOME Public, SOME Opaque) |
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| Code_Thingol.Classparam _ => (SOME Public, SOME Opaque) |
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| Code_Thingol.Class _ => (SOME Opaque, NONE) |
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| Code_Thingol.Classrel _ => |
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(if class_relation_public |
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then (SOME Public, SOME Opaque) |
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else (SOME Opaque, NONE)) |
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| _ => (NONE, NONE); |
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val dependent_exports = |
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case dependent_export1 of |
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SOME export1 => (case dependent_export2 of |
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SOME export2 => |
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let |
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val (deps1, deps2) = deps_of sym |
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in map (rpair export1) deps1 @ map (rpair export2) deps2 end |
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| NONE => map (rpair export1) (fst (deps_of sym))) |
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| NONE => []; |
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in |
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map_export prefix sym (mark_export export) |
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#> fold (fn (sym, export) => map_export (prefix_of sym) sym (mark_export export)) |
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dependent_exports |
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end; |
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fun mark_exports { program = program, prefix_of = prefix_of, map_export = map_export, |
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class_transitive = class_transitive, class_relation_public = class_relation_public } = |
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let |
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val { is_datatype_or_class, deps_of } = |
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dependent_exports { program = program, class_transitive = class_transitive }; |
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in |
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mark_exports_aux { program = program, prefix_of = prefix_of, map_export = map_export, |
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is_datatype_or_class = is_datatype_or_class, deps_of = deps_of, |
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class_relation_public = class_relation_public } |
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end; |
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147 |
|
55681 | 148 |
|
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149 |
(** fundamental module name hierarchy **) |
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150 |
|
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fun module_fragments' { identifiers, reserved } name = |
152 |
case Code_Symbol.lookup_module_data identifiers name of |
|
153 |
SOME (fragments, _) => fragments |
|
154 |
| NONE => map (fn fragment => fst (Name.variant fragment reserved)) (Long_Name.explode name); |
|
155 |
||
156 |
fun module_fragments { module_name, identifiers, reserved } = |
|
157 |
if module_name = "" |
|
158 |
then module_fragments' { identifiers = identifiers, reserved = reserved } |
|
159 |
else K (Long_Name.explode module_name); |
|
39055 | 160 |
|
55291 | 161 |
fun build_module_namespace ctxt { module_prefix, module_name, identifiers, reserved } program = |
162 |
let |
|
163 |
val module_names = Code_Symbol.Graph.fold (insert (op =) o Code_Symbol.default_prefix ctxt o fst) program []; |
|
164 |
val module_fragments' = module_fragments |
|
165 |
{ module_name = module_name, identifiers = identifiers, reserved = reserved }; |
|
166 |
in |
|
167 |
fold (fn name => Symtab.update (name, Long_Name.explode module_prefix @ module_fragments' name)) |
|
168 |
module_names Symtab.empty |
|
169 |
end; |
|
170 |
||
55292 | 171 |
fun prep_symbol ctxt { module_namespace, force_module, identifiers } sym = |
55291 | 172 |
case Code_Symbol.lookup identifiers sym of |
55292 | 173 |
NONE => ((the o Symtab.lookup module_namespace o Code_Symbol.default_prefix ctxt) sym, |
174 |
Code_Symbol.default_base sym) |
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| SOME prefix_name => if null force_module then prefix_name |
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else (force_module, snd prefix_name); |
39055 | 177 |
|
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fun has_priority identifiers = is_some o Code_Symbol.lookup identifiers; |
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179 |
|
55292 | 180 |
fun build_proto_program { empty, add_stmt, add_dep } program = |
181 |
empty |
|
182 |
|> Code_Symbol.Graph.fold (fn (sym, (stmt, _)) => add_stmt sym stmt) program |
|
183 |
|> Code_Symbol.Graph.fold (fn (sym, (_, (_, syms))) => |
|
184 |
Code_Symbol.Graph.Keys.fold (add_dep sym) syms) program; |
|
185 |
||
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186 |
fun prioritize has_priority = uncurry append o List.partition has_priority; |
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187 |
|
39055 | 188 |
|
39208 | 189 |
(** flat program structure **) |
190 |
||
55681 | 191 |
type flat_program = ((string * (export * Code_Thingol.stmt) option) Code_Symbol.Graph.T * (string * Code_Symbol.T list) list) Graph.T; |
39208 | 192 |
|
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193 |
fun flat_program ctxt { module_prefix, module_name, reserved, |
55683 | 194 |
identifiers, empty_nsp, namify_stmt, modify_stmt } exports program = |
39208 | 195 |
let |
196 |
||
197 |
(* building module name hierarchy *) |
|
55291 | 198 |
val module_namespace = build_module_namespace ctxt { module_prefix = module_prefix, |
199 |
module_name = module_name, identifiers = identifiers, reserved = reserved } program; |
|
55292 | 200 |
val prep_sym = prep_symbol ctxt { module_namespace = module_namespace, |
201 |
force_module = Long_Name.explode module_name, identifiers = identifiers } |
|
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202 |
#>> Long_Name.implode; |
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203 |
val sym_priority = has_priority identifiers; |
39208 | 204 |
|
205 |
(* distribute statements over hierarchy *) |
|
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206 |
val mark_exports = mark_exports { program = program, prefix_of = fst o prep_sym, |
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207 |
map_export = fn module_name => fn sym => |
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208 |
Graph.map_node module_name o apfst o Code_Symbol.Graph.map_node sym o apsnd o apfst, |
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209 |
class_transitive = false, class_relation_public = false }; |
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|
210 |
fun add_stmt sym stmt = |
39208 | 211 |
let |
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212 |
val (module_name, base) = prep_sym sym; |
39208 | 213 |
in |
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214 |
Graph.default_node (module_name, (Code_Symbol.Graph.empty, [])) |
55680 | 215 |
#> (Graph.map_node module_name o apfst) |
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|
216 |
(Code_Symbol.Graph.new_node (sym, (base, (if null exports then Public else Private, stmt)))) |
39208 | 217 |
end; |
55292 | 218 |
fun add_dep sym sym' = |
39208 | 219 |
let |
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220 |
val (module_name, _) = prep_sym sym; |
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|
221 |
val (module_name', _) = prep_sym sym'; |
39208 | 222 |
in if module_name = module_name' |
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223 |
then (Graph.map_node module_name o apfst) (Code_Symbol.Graph.add_edge (sym, sym')) |
55680 | 224 |
else (Graph.map_node module_name o apsnd) |
225 |
(AList.map_default (op =) (module_name', []) (insert (op =) sym')) |
|
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|
226 |
#> mark_exports module_name' sym' |
39208 | 227 |
end; |
55292 | 228 |
val proto_program = build_proto_program |
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229 |
{ empty = Graph.empty, add_stmt = add_stmt, add_dep = add_dep } program |
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230 |
|> fold (fn sym => mark_exports ((fst o prep_sym) sym) sym) exports; |
39208 | 231 |
|
232 |
(* name declarations and statement modifications *) |
|
55679 | 233 |
fun declare sym (base, (_, stmt)) (gr, nsp) = |
39208 | 234 |
let |
235 |
val (base', nsp') = namify_stmt stmt base nsp; |
|
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236 |
val gr' = (Code_Symbol.Graph.map_node sym o apfst) (K base') gr; |
39208 | 237 |
in (gr', nsp') end; |
238 |
fun declarations gr = (gr, empty_nsp) |
|
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|
239 |
|> fold (fn sym => declare sym (Code_Symbol.Graph.get_node gr sym)) |
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|
240 |
(prioritize sym_priority (Code_Symbol.Graph.keys gr)) |
39208 | 241 |
|> fst |
55680 | 242 |
|> Code_Symbol.Graph.map_strong_conn (fn syms_bases_exports_stmts => |
243 |
map snd syms_bases_exports_stmts |
|
244 |
|> (map o apsnd) (fn (export, stmt) => Option.map (pair export) (modify_stmt stmt))); |
|
39208 | 245 |
val flat_program = proto_program |
246 |
|> (Graph.map o K o apfst) declarations; |
|
247 |
||
248 |
(* qualified and unqualified imports, deresolving *) |
|
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|
249 |
fun base_deresolver sym = fst (Code_Symbol.Graph.get_node |
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|
250 |
(fst (Graph.get_node flat_program (fst (prep_sym sym)))) sym); |
39208 | 251 |
fun classify_names gr imports = |
252 |
let |
|
253 |
val import_tab = maps |
|
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|
254 |
(fn (module_name, syms) => map (rpair module_name) syms) imports; |
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|
255 |
val imported_syms = map fst import_tab; |
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|
256 |
val here_syms = Code_Symbol.Graph.keys gr; |
39208 | 257 |
in |
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|
258 |
Code_Symbol.Table.empty |
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|
259 |
|> fold (fn sym => Code_Symbol.Table.update (sym, base_deresolver sym)) here_syms |
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|
260 |
|> fold (fn sym => Code_Symbol.Table.update (sym, |
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|
261 |
Long_Name.append (the (AList.lookup (op =) import_tab sym)) |
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|
262 |
(base_deresolver sym))) imported_syms |
39208 | 263 |
end; |
40630 | 264 |
val deresolver_tab = Symtab.make (AList.make |
265 |
(uncurry classify_names o Graph.get_node flat_program) |
|
266 |
(Graph.keys flat_program)); |
|
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|
267 |
fun deresolver "" sym = |
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|
268 |
Long_Name.append (fst (prep_sym sym)) (base_deresolver sym) |
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|
269 |
| deresolver module_name sym = |
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|
270 |
the (Code_Symbol.Table.lookup (the (Symtab.lookup deresolver_tab module_name)) sym) |
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|
271 |
handle Option.Option => error ("Unknown statement name: " |
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|
272 |
^ Code_Symbol.quote ctxt sym); |
39208 | 273 |
|
274 |
in { deresolver = deresolver, flat_program = flat_program } end; |
|
275 |
||
276 |
||
39055 | 277 |
(** hierarchical program structure **) |
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|
278 |
|
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|
279 |
datatype ('a, 'b) node = |
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|
280 |
Dummy |
55681 | 281 |
| Stmt of export * 'a |
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|
282 |
| Module of ('b * (string * ('a, 'b) node) Code_Symbol.Graph.T); |
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|
283 |
|
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|
284 |
type ('a, 'b) hierarchical_program = (string * ('a, 'b) node) Code_Symbol.Graph.T; |
39147 | 285 |
|
55679 | 286 |
fun the_stmt (Stmt (export, stmt)) = (export, stmt); |
287 |
||
39018 | 288 |
fun map_module_content f (Module content) = Module (f content); |
289 |
||
290 |
fun map_module [] = I |
|
291 |
| map_module (name_fragment :: name_fragments) = |
|
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|
292 |
apsnd o Code_Symbol.Graph.map_node (Code_Symbol.Module name_fragment) o apsnd o map_module_content |
39018 | 293 |
o map_module name_fragments; |
294 |
||
55680 | 295 |
fun map_module_stmts f_module f_stmts sym_base_nodes = |
296 |
let |
|
297 |
val some_modules = |
|
298 |
sym_base_nodes |
|
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|
299 |
|> map (fn (_, (base, Module content)) => SOME (base, content) | _ => NONE) |
55680 | 300 |
|> (burrow_options o map o apsnd) f_module; |
301 |
val some_export_stmts = |
|
302 |
sym_base_nodes |
|
303 |
|> map (fn (sym, (base, Stmt export_stmt)) => SOME ((sym, export_stmt), base) | _ => NONE) |
|
304 |
|> (burrow_options o burrow_fst) (fn [] => [] | xs => f_stmts xs) |
|
305 |
in |
|
306 |
map2 (fn SOME (base, content) => (K (base, Module content)) |
|
307 |
| NONE => fn SOME (some_export_stmt, base) => |
|
308 |
(base, case some_export_stmt of SOME export_stmt => Stmt export_stmt | NONE => Dummy)) |
|
309 |
some_modules some_export_stmts |
|
310 |
end; |
|
311 |
||
55147
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|
312 |
fun hierarchical_program ctxt { module_name, reserved, identifiers, empty_nsp, |
55684
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|
313 |
namify_module, namify_stmt, cyclic_modules, |
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|
314 |
class_transitive, class_relation_public, |
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|
315 |
empty_data, memorize_data, modify_stmts } |
55683 | 316 |
exports program = |
38970
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|
317 |
let |
53d1ee3d98b8
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haftmann
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changeset
|
318 |
|
53d1ee3d98b8
factored out generic part of Scala serializer into code_namespace.ML
haftmann
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changeset
|
319 |
(* building module name hierarchy *) |
55291 | 320 |
val module_namespace = build_module_namespace ctxt { module_prefix = "", |
321 |
module_name = module_name, identifiers = identifiers, reserved = reserved } program; |
|
55292 | 322 |
val prep_sym = prep_symbol ctxt { module_namespace = module_namespace, |
55293
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|
323 |
force_module = Long_Name.explode module_name, identifiers = identifiers } |
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changeset
|
324 |
val sym_priority = has_priority identifiers; |
38970
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haftmann
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changeset
|
325 |
|
53d1ee3d98b8
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haftmann
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changeset
|
326 |
(* building empty module hierarchy *) |
55147
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|
327 |
val empty_module = (empty_data, Code_Symbol.Graph.empty); |
38970
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changeset
|
328 |
fun ensure_module name_fragment (data, nodes) = |
55147
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changeset
|
329 |
if can (Code_Symbol.Graph.get_node nodes) (Code_Symbol.Module name_fragment) then (data, nodes) |
38970
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factored out generic part of Scala serializer into code_namespace.ML
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|
330 |
else (data, |
55147
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|
331 |
nodes |> Code_Symbol.Graph.new_node (Code_Symbol.Module name_fragment, (name_fragment, Module empty_module))); |
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|
332 |
fun allocate_module [] = I |
53d1ee3d98b8
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haftmann
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changeset
|
333 |
| allocate_module (name_fragment :: name_fragments) = |
53d1ee3d98b8
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changeset
|
334 |
ensure_module name_fragment |
55147
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|
335 |
#> (apsnd o Code_Symbol.Graph.map_node (Code_Symbol.Module name_fragment) o apsnd o map_module_content o allocate_module) name_fragments; |
52138
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|
336 |
val empty_program = |
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changeset
|
337 |
empty_module |
55291 | 338 |
|> Symtab.fold (fn (_, fragments) => allocate_module fragments) module_namespace |
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changeset
|
339 |
|> Code_Symbol.Graph.fold (allocate_module o these o Option.map fst |
55291 | 340 |
o Code_Symbol.lookup identifiers o fst) program; |
38970
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haftmann
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changeset
|
341 |
|
53d1ee3d98b8
factored out generic part of Scala serializer into code_namespace.ML
haftmann
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changeset
|
342 |
(* distribute statements over hierarchy *) |
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val mark_exports = mark_exports { program = program, prefix_of = fst o prep_sym, |
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map_export = fn name_fragments => fn sym => fn f => |
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(map_module name_fragments o apsnd o Code_Symbol.Graph.map_node sym o apsnd) |
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346 |
(fn Stmt (export, stmt) => Stmt (f export, stmt)), |
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347 |
class_transitive = class_transitive, class_relation_public = class_relation_public }; |
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348 |
fun add_stmt sym stmt = |
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349 |
let |
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350 |
val (name_fragments, base) = prep_sym sym; |
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351 |
in |
55680 | 352 |
(map_module name_fragments o apsnd) |
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353 |
(Code_Symbol.Graph.new_node (sym, (base, Stmt (if null exports then Public else Private, stmt)))) |
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354 |
end; |
55680 | 355 |
fun add_edge_acyclic_error error_msg dep gr = |
356 |
Code_Symbol.Graph.add_edge_acyclic dep gr |
|
357 |
handle Graph.CYCLES _ => error (error_msg ()) |
|
55292 | 358 |
fun add_dep sym sym' = |
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|
359 |
let |
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|
360 |
val (name_fragments, _) = prep_sym sym; |
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|
361 |
val (name_fragments', _) = prep_sym sym'; |
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|
362 |
val (name_fragments_common, (diff, diff')) = |
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|
363 |
chop_prefix (op =) (name_fragments, name_fragments'); |
55680 | 364 |
val is_cross_module = not (null diff andalso null diff'); |
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365 |
val dep = pairself hd (map Code_Symbol.Module diff @ [sym], map Code_Symbol.Module diff' @ [sym']); |
55680 | 366 |
val add_edge = if is_cross_module andalso not cyclic_modules |
367 |
then add_edge_acyclic_error (fn _ => "Dependency " |
|
368 |
^ Code_Symbol.quote ctxt sym ^ " -> " |
|
369 |
^ Code_Symbol.quote ctxt sym' |
|
370 |
^ " would result in module dependency cycle") dep |
|
371 |
else Code_Symbol.Graph.add_edge dep; |
|
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372 |
in |
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|
373 |
(map_module name_fragments_common o apsnd) add_edge |
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374 |
#> (if is_cross_module then mark_exports name_fragments' sym' else I) |
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375 |
end; |
55292 | 376 |
val proto_program = build_proto_program |
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377 |
{ empty = empty_program, add_stmt = add_stmt, add_dep = add_dep } program |
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378 |
|> fold (fn sym => mark_exports ((fst o prep_sym) sym) sym) exports; |
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379 |
|
39022 | 380 |
(* name declarations, data and statement modifications *) |
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381 |
fun make_declarations nsps (data, nodes) = |
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|
382 |
let |
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|
383 |
val (module_fragments, stmt_syms) = |
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|
384 |
Code_Symbol.Graph.keys nodes |
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385 |
|> List.partition |
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|
386 |
(fn sym => case Code_Symbol.Graph.get_node nodes sym |
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387 |
of (_, Module _) => true | _ => false) |
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388 |
|> pairself (prioritize sym_priority) |
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389 |
fun declare namify sym (nsps, nodes) = |
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|
390 |
let |
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|
391 |
val (base, node) = Code_Symbol.Graph.get_node nodes sym; |
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|
392 |
val (base', nsps') = namify node base nsps; |
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393 |
val nodes' = Code_Symbol.Graph.map_node sym (K (base', node)) nodes; |
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|
394 |
in (nsps', nodes') end; |
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395 |
val (nsps', nodes') = (nsps, nodes) |
39022 | 396 |
|> fold (declare (K namify_module)) module_fragments |
55679 | 397 |
|> fold (declare (namify_stmt o snd o the_stmt)) stmt_syms; |
55680 | 398 |
fun modify_stmts' syms_stmts = |
55605 | 399 |
let |
55680 | 400 |
val stmts' = modify_stmts syms_stmts |
401 |
in stmts' @ replicate (length syms_stmts - length stmts') NONE end; |
|
402 |
val nodes'' = |
|
403 |
nodes' |
|
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|
404 |
|> Code_Symbol.Graph.map_strong_conn (map_module_stmts (make_declarations nsps') modify_stmts'); |
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|
405 |
val data' = fold memorize_data stmt_syms data; |
39018 | 406 |
in (data', nodes'') end; |
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|
407 |
val (_, hierarchical_program) = make_declarations empty_nsp proto_program; |
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changeset
|
408 |
|
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|
409 |
(* deresolving *) |
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|
410 |
fun deresolver prefix_fragments sym = |
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changeset
|
411 |
let |
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changeset
|
412 |
val (name_fragments, _) = prep_sym sym; |
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changeset
|
413 |
val (_, (_, remainder)) = chop_prefix (op =) (prefix_fragments, name_fragments); |
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|
414 |
val nodes = fold (fn name_fragment => fn nodes => case Code_Symbol.Graph.get_node nodes (Code_Symbol.Module name_fragment) |
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|
415 |
of (_, Module (_, nodes)) => nodes) name_fragments hierarchical_program; |
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|
416 |
val (base', _) = Code_Symbol.Graph.get_node nodes sym; |
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changeset
|
417 |
in Long_Name.implode (remainder @ [base']) end |
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|
418 |
handle Code_Symbol.Graph.UNDEF _ => error ("Unknown statement name: " |
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changeset
|
419 |
^ Code_Symbol.quote ctxt sym); |
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parents:
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changeset
|
420 |
|
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haftmann
parents:
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changeset
|
421 |
in { deresolver = deresolver, hierarchical_program = hierarchical_program } end; |
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parents:
diff
changeset
|
422 |
|
39147 | 423 |
fun print_hierarchical { print_module, print_stmt, lift_markup } = |
424 |
let |
|
425 |
fun print_node _ (_, Dummy) = |
|
426 |
NONE |
|
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|
427 |
| print_node prefix_fragments (sym, Stmt stmt) = |
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|
428 |
SOME (lift_markup (Code_Printer.markup_stmt sym) |
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changeset
|
429 |
(print_stmt prefix_fragments (sym, stmt))) |
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changeset
|
430 |
| print_node prefix_fragments (Code_Symbol.Module name_fragment, Module (data, nodes)) = |
39147 | 431 |
let |
432 |
val prefix_fragments' = prefix_fragments @ [name_fragment] |
|
433 |
in |
|
434 |
Option.map (print_module prefix_fragments' |
|
435 |
name_fragment data) (print_nodes prefix_fragments' nodes) |
|
436 |
end |
|
437 |
and print_nodes prefix_fragments nodes = |
|
438 |
let |
|
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parents:
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diff
changeset
|
439 |
val xs = (map_filter (fn sym => print_node prefix_fragments |
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changeset
|
440 |
(sym, snd (Code_Symbol.Graph.get_node nodes sym))) o rev o flat o Code_Symbol.Graph.strong_conn) nodes |
39147 | 441 |
in if null xs then NONE else SOME xs end; |
442 |
in these o print_nodes [] end; |
|
443 |
||
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changeset
|
444 |
end; |