From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 30 Aug 2015 09:58:38 +0000 (+0100)
Subject: src/codegen-{proto,impl}.lisp: Protocol for emitting custom declarations.
X-Git-Tag: 0.2.0~52
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/sod/commitdiff_plain/3f4ac959a30787a952451c672e6e97d4469631a9

src/codegen-{proto,impl}.lisp: Protocol for emitting custom declarations.
---

diff --git a/src/codegen-impl.lisp b/src/codegen-impl.lisp
index e99a0c2..acb0da1 100644
--- a/src/codegen-impl.lisp
+++ b/src/codegen-impl.lisp
@@ -125,6 +125,12 @@ (defmethod emit-inst ((codegen basic-codegen) inst)
 (defmethod emit-insts ((codegen basic-codegen) insts)
   (asetf (codegen-insts codegen) (revappend insts it)))
 
+(defmethod emit-decl ((codegen basic-codegen) inst)
+  (push inst (codegen-vars codegen)))
+
+(defmethod emit-decls ((codegen basic-codegen) insts)
+  (asetf (codegen-vars codegen) (revappend insts it)))
+
 (defmethod ensure-var ((codegen basic-codegen) name type &optional init)
   (let* ((vars (codegen-vars codegen))
 	 (var (find name
diff --git a/src/codegen-proto.lisp b/src/codegen-proto.lisp
index 743c89f..f6cd4bd 100644
--- a/src/codegen-proto.lisp
+++ b/src/codegen-proto.lisp
@@ -261,6 +261,14 @@ (defgeneric emit-insts (codegen insts)
   (:method (codegen insts)
     (dolist (inst insts) (emit-inst codegen inst))))
 
+(export '(emit-decl emit-decls))
+(defgeneric emit-decl (codegen inst)
+  (:documentation
+   "Add INST to the end of CODEGEN's list of declarations."))
+(defgeneric emit-decls (codegen insts)
+  (:documentation
+   "Add a list of INSTS to the end of CODEGEN's list of declarations."))
+
 (export 'codegen-push)
 (defgeneric codegen-push (codegen)
   (:documentation