From 745d6b8e16c7f276f479c18d97200e44d16aafc9 Mon Sep 17 00:00:00 2001
From: Rose Hogenson <rhogenson@posteo.net>
Date: Sun, 24 Jul 2022 19:08:49 -0700
Subject: Start codegen.

---
 csc/ir2.csc | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

(limited to 'csc/ir2.csc')

diff --git a/csc/ir2.csc b/csc/ir2.csc
index 30fb5a3..642b86c 100644
--- a/csc/ir2.csc
+++ b/csc/ir2.csc
@@ -5,15 +5,13 @@
     %closure
     %fix
     %globals
+    %label
     %primitive
     %variable
     *globals*
     apply-arguments
     apply-procedure
     apply?
-    atom-continuation
-    atom-expression
-    atom?
     branch-atom
     branch-false
     branch-true
@@ -30,21 +28,14 @@
     fix-functions
     fix?
     globals?
-    kargs-expression
-    kargs-refs
-    kargs?
-    klabel-expression
-    klabel?
-    ktail?
+    label-gensym
+    label?
     make-apply
-    make-atom
     make-branch
     make-call-closure
     make-closure
     make-fix
-    make-kargs
-    make-klabel
-    make-ktail
+    make-label
     make-primitive
     make-variable
     primitive-arguments
@@ -56,23 +47,27 @@
     variable?
 
     ; Re-exports from IR1.
+    %constant
+    %library-ref
     constant-expression
     constant?
     lexical-ref-gensym
     lexical-ref-name
     lexical-ref?
+    lexical-set-expression
+    lexical-set-ref
+    lexical-set?
     library-ref-library
     library-ref-name
     library-ref?
     make-constant
     make-lexical-ref
-    lexical-set-expression
-    lexical-set-ref
-    lexical-set?
     make-lexical-set
     make-library-ref)
   (import (scheme base)
           (only (csc ir1)
+            %constant
+            %library-ref
             constant?
             lexical-ref-gensym
             lexical-ref-name
@@ -130,6 +125,14 @@
     (define *globals* (make-globals))
 
 
+    ; A label, used for function names and will compile to a constant.
+    (define-match-record-type <label>
+      (make-label gensym)
+      label?
+      %label
+      (gensym label-gensym))
+
+
     ; CPS expressions:
     ;   CPS expressions are similar to IR1 expressions,
     ;   but constrained not to have any subexpressions except atoms.
-- 
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