[Heavy] Export plugin functions/syntax

Author: ricejasonf

heavy/include/heavy/base.sld

@@ -12,7 +12,6 @@
         #t #f))
     ) ; end of begin
   (export
-    ; syntax
     define
     define-syntax
     if
@@ -102,8 +101,13 @@
     symbol?
     vector?
 
-    ; Extended types.
+    ; Extended types
     mlir-operation?
     source-value?
+
+    ; Plugin stuff
+    load-plugin
+    load-builtin
+    define-binding
     )
 )

heavy/test/Plugin/hello_world.scm

@@ -1,5 +1,5 @@
-; RUN: heavy-scheme %s | FileCheck %s
-(import (heavy builtins))
+; RUN: heavy-scheme --module-path=%heavy_module_path %s | FileCheck %s
+(import (heavy base))
 
 (load-plugin "libheavyHelloWorld.so")
 (define my-write