X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/4b8e5c0347115ff30841f1d1e71afe59ecb6c82c..bb80145308ea388d7c6ed5336c061340e78f66e8:/src/codegen-impl.lisp

diff --git a/src/codegen-impl.lisp b/src/codegen-impl.lisp
index 170f4a8..d988b12 100644
--- a/src/codegen-impl.lisp
+++ b/src/codegen-impl.lisp
@@ -37,6 +37,16 @@
   ((in-use-p :initarg :in-use-p :initform nil
 	     :type boolean :accessor var-in-use-p)))
 
+(define-module-var *temporary-index* 0
+  "Index for temporary name generation.
+
+   This is automatically reset to zero before the output functions are
+   invoked to write a file.  This way, we can ensure that the same output
+   file is always produced from the same input.")
+
+(define-clear-the-decks reset-codegen-index
+  (setf *temporary-index* 0))
+
 (defmethod commentify-argument-name ((name temporary-name))
   nil)
 
@@ -70,18 +80,18 @@
 ;; package.  The `definst' machinery will symbolicate the various associated
 ;; methods correctly despite this subterfuge.
 
-(definst if (stream :export t) (#1=#:condition consequent alternative)
-  (format-compound-statement (stream consequent alternative)
+(definst if (stream :export t) (#1=#:cond conseq alt)
+  (format-compound-statement (stream conseq alt)
     (format stream "if (~A)" #1#))
-  (when alternative
-    (format-compound-statement (stream alternative)
+  (when alt
+    (format-compound-statement (stream alt)
       (write-string "else" stream))))
 
-(definst while (stream :export t) (#1=#:condition body)
+(definst while (stream :export t) (#1=#:cond body)
   (format-compound-statement (stream body)
     (format stream "while (~A)" #1#)))
 
-(definst do-while (stream :export t) (body #1=#:condition)
+(definst do-while (stream :export t) (body #1=#:cond)
   (format-compound-statement (stream body :space)
     (write-string "do" stream))
   (format stream "while (~A);" #1#))