use a scheme procedures+eval to manage and transform AST

Removes records for a more-managable scheme-syntax approach. Modules+overriding allows for the IR itself to be represented and evaluated as scheme code during each transformation.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/modules/generator/assembly.scm b/src/modules/generator/assembly.scm
new file mode 100644
index 0000000..50e158e
--- /dev/null
+++ b/src/modules/generator/assembly.scm
@@ -0,0 +1,18 @@
+(define-module (modules generator assembly)
+  #:use-module (modules ast ir)
+  #:use-module (modules utils assign-stack)
+  #:use-module (modules utils merge-instructions)
+  #:export (instrs
+            mov))
+
+
+(define (instrs lst)
+  (cons 'list (cons (list 'alloc (abs (get-frame-size)))
+                    (merge-instr lst))))
+
+(define (mov dst src)
+  (if (and (eq? 'stack (car dst))
+           (eq? 'stack (car src)))
+      (append (list (list 'mov (reg "r10") src))
+              (list (list 'mov dst (reg "r10"))))
+      (list 'mov dst src)))