citadelle-devel/src/compiler_generic/toy_example/generator/Design_shallow.thy

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* Copyright (c) 2011-2018 Université Paris-Saclay, Univ. Paris-Sud, France
* 2013-2017 IRT SystemX, France
* 2011-2015 Achim D. Brucker, Germany
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* 2017-2018 Virginia Tech, USA
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section\<open>Example: A Class Model Interactively Executed\<close>
subsection\<open>Introduction\<close>
theory
Design_shallow
imports
"../Toy_Library"
"../Toy_Library_Static"
"../embedding/Generator_dynamic_sequential"
begin
ML_file "~~/src/Doc/antiquote_setup.ML"
text\<open>
In this example, we configure our package to execute tactic SML code
(corresponding to some generated \verb|.thy| file, @{file "Design_deep.thy"}
details how to obtain such generated \verb|.thy| file).
Since SML code are already compiled (or reflected) and bound with the native Isabelle API in
@{theory Isabelle_Meta_Model.Generator_dynamic_sequential}, nothing is generated in this theory.
The system only parses arguments given to meta-commands and immediately calls the corresponding
compiled functions.
The execution time is comparatively similar as if tactics were written by hand,
except that the generated SML code potentially inherits all optimizations performed
by the raw code generation of Isabelle (if any).
\<close>
generation_syntax [ shallow (generation_semantics [ design ])
(*SORRY*) (*no_dirty*)
(*, syntax_print*) ]
text\<open>
The configuration in @{keyword "shallow"} mode is straightforward:
in this mode @{command generation_syntax} basically terminates in $O(1)$.
\<close>
subsection\<open>Designing Class Models (I): Basics\<close>
Class Atom < Molecule
Attributes size : Integer
End
End End End
Class Molecule < Person
Class Galaxy
Attributes wormhole : UnlimitedNatural
is_sound : Void
End!
Class Person < Galaxy
Attributes salary : Integer
boss : Person
is_meta_thinking: Boolean
Instance X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n1 :: Person = [ salary = 1300 , boss = X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n2 ]
and X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n2 :: Person = [ salary = 1800 ]
Instance X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n3 :: Person = [ salary = 1 ]
(* Class Big_Bang < Atom (* This will force the creation of a new universe. *) *)
subsection\<open>Designing Class Models (II): Jumping to Another Semantic Floor\<close>
State \<sigma>\<^sub>1 =
[ ([ salary = 1000 , boss = self 1 ] :: Person)
, ([ salary = 1200 ] :: Person)
(* *)
, ([ salary = 2600 , boss = self 3 ] :: Person)
, X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n1
, ([ salary = 2300 , boss = self 2 ] :: Person)
(* *)
(* *)
, X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n2 ]
Instance X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n4 :: Person = []
State \<sigma>\<^sub>1' =
[ X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n1
, X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n2
, X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n3
, X\<^sub>P\<^sub>e\<^sub>r\<^sub>s\<^sub>o\<^sub>n4 ]
Transition \<sigma>\<^sub>1 \<sigma>\<^sub>1'
(* Transition \<sigma>\<^sub>1 [ ([ salary = 1000 , boss = self 1 ] :: Person) ] *)
subsection\<open>Designing Class Models (III): Interaction with (Pure) Term\<close>
text{*
Here in @{keyword "shallow"} mode, the following expression is directly rejected:
\<^verbatim>\<open>
(* Context Person :: content ()
Post "\<close>@{text "\<close>"}@{text "\<open>"}\<^verbatim>\<open>" *)\<close>
*}
Context[shallow] Person :: content ()
Post : "a + b = c"
end