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New command "reflect_ML_exports" for loading ML exported code into Isabelle's ML environment using the Isabelle's virtual file system.

v1.0.x/Isabelle2019
Achim D. Brucker 2 years ago
parent
commit
d6d9e1bb5c
  1. 2
      .gitignore
  2. 53
      src/DOF/RegExpInterface.thy

2
.gitignore

@ -1,5 +1,3 @@
output
*.template.sty
.afp
*~
src/DOF/RegExpChecker.sml

53
src/DOF/RegExpInterface.thy

@ -14,7 +14,10 @@
chapter\<open>The High-Level Interface to the Automata-Library\<close>
theory RegExpInterface
imports "Functional-Automata.Execute"
imports "Functional-Automata.Execute"
keywords
"reflect_ML_exports" :: thy_decl
begin
@ -100,23 +103,50 @@ definition enabled :: "('a,'\<sigma> set)da \<Rightarrow> '\<sigma> set \<Right
definition zero where "zero = (0::nat)"
definition one where "one = (1::nat)"
export_code zero one Suc Int.nat nat_of_integer int_of_integer (* for debugging *)
export_code zero one Suc Int.nat nat_of_integer int_of_integer (* for debugging *)
example_expression (* for debugging *)
Zero One Atom Plus Times Star (* regexp abstract syntax *)
rexp2na na2da enabled (* low-level automata interface *)
NA.accepts DA.accepts
in SML module_name RegExpChecker
subsection\<open>Infrastructure for Reflecting expoted SML code\<close>
ML\<open>
fun reflect_local_ML_exports args trans = let
fun eval_ML_context ctxt = let
fun is_sml_file f = String.isSuffix ".ML" (Path.implode (#path f))
val files = (map (Generated_Files.check_files_in (Context.proof_of ctxt)) args)
val ml_files = filter is_sml_file (map #1 (maps Generated_Files.get_files_in files))
val ml_content = map (fn f => Syntax.read_input (#content f)) ml_files
fun eval ml_content = fold (fn sml => (ML_Context.exec
(fn () => ML_Context.eval_source ML_Compiler.flags sml)))
ml_content
in
(eval ml_content #> Local_Theory.propagate_ml_env) ctxt
end
in
Toplevel.generic_theory eval_ML_context trans
end
val files_in_theory =
(Parse.underscore >> K [] || Scan.repeat1 Parse.path_binding) --
Scan.option (\<^keyword>\<open>(\<close> |-- Parse.!!! (\<^keyword>\<open>in\<close>
|-- Parse.theory_name --| \<^keyword>\<open>)\<close>));
val _ =
Outer_Syntax.command \<^command_keyword>\<open>reflect_ML_exports\<close>
"evaluate generated Standard ML files"
(Parse.and_list1 files_in_theory >> (fn args => reflect_local_ML_exports args));
\<close>
reflect_ML_exports _
in SML module_name RegExpChecker
file "RegExpChecker.sml" (* writing it to a file *)
(* potentially susceptible to race conditions ... *)
SML_file "RegExpChecker.sml" (* reads and eval generated file
into SML toplevel *)
SML_export \<open>structure RegExpChecker = RegExpChecker\<close> (* copies from SML toplevel into
Isabelle/ML toplevel *)
section\<open>The Abstract Interface For Monitor Expressions\<close>
text\<open>Here comes the hic : The reflection of the HOL-Automata module into an SML module
@ -209,3 +239,4 @@ end (* struct *)
no_notation Atom ("\<lfloor>_\<rfloor>")
end
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