Add boilerplate codes for create programming language.

3 files changed, 79 insertions, 0 deletions

diff --git a/language/acl2/compile-tree-il.scm b/language/acl2/compile-tree-il.scm
new file mode 100644
index 0000000..4d2310d
--- /dev/null
+++ b/language/acl2/compile-tree-il.scm
@@ -0,0 +1,25 @@
+;;; Guile-ACL2 --- Guile's ACL2 compiler
+;;; Copyright © 2021 Masaya Tojo <masaya@tojo.tokyo>
+;;;
+;;; This file is part of Guile-ACL2.
+;;;
+;;; Guile-ACL2 is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-ACL2 is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with Guile-ACL2.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+(define-module (language acl2 compile-tree-il)
+  #:use-module (language tree-il)
+  #:export (compile-tree-il))
+
+(define (compile-tree-il exp env opts)
+  (values (parse-tree-il '(const acl2)) env env))
diff --git a/language/acl2/parse.scm b/language/acl2/parse.scm
new file mode 100644
index 0000000..fee7bf6
--- /dev/null
+++ b/language/acl2/parse.scm
@@ -0,0 +1,24 @@
+;;; Guile-ACL2 --- Guile's ACL2 compiler
+;;; Copyright © 2021 Masaya Tojo <masaya@tojo.tokyo>
+;;;
+;;; This file is part of Guile-ACL2.
+;;;
+;;; Guile-ACL2 is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-ACL2 is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with Guile-ACL2.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+(define-module (language acl2 parse)
+  #:export (read-acl2))
+
+(define (read-acl2 p)
+  '())
diff --git a/language/acl2/spec.scm b/language/acl2/spec.scm
new file mode 100644
index 0000000..0dc676e
--- /dev/null
+++ b/language/acl2/spec.scm
@@ -0,0 +1,30 @@
+;;; Guile-ACL2 --- Guile's ACL2 compiler
+;;; Copyright © 2021 Masaya Tojo <masaya@tojo.tokyo>
+;;;
+;;; This file is part of Guile-ACL2.
+;;;
+;;; Guile-ACL2 is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-ACL2 is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with Guile-ACL2.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+(define-module (language acl2 spec)
+  #:use-module (language acl2 compile-tree-il)
+  #:use-module (language acl2 parse)
+  #:use-module (system base language)
+  #:export (acl2))
+
+(define-language acl2
+  #:title	"ACL2"
+  #:reader	(lambda (port env) (read-acl2 port))
+  #:compilers	`((tree-il . ,compile-tree-il))
+  #:printer	write)