From 14f185d326590f6656cf7b8c734fbfc87cf0605b Mon Sep 17 00:00:00 2001
From: aarne <aarne@cs.chalmers.se>
Date: Mon, 3 Sep 2007 19:21:50 +0000
Subject: calculator ex

---
 examples/tutorial/calculator/CalculatorJ.gf | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 examples/tutorial/calculator/CalculatorJ.gf

(limited to 'examples/tutorial/calculator/CalculatorJ.gf')

diff --git a/examples/tutorial/calculator/CalculatorJ.gf b/examples/tutorial/calculator/CalculatorJ.gf
new file mode 100644
index 000000000..15b2caffd
--- /dev/null
+++ b/examples/tutorial/calculator/CalculatorJ.gf
@@ -0,0 +1,24 @@
+--# -path=.:prelude
+
+concrete CalculatorJ of Calculator = open Prelude in {
+
+  flags lexer=codevars ; unlexer=code ;
+
+  lincat 
+    Prog, Exp, Var = SS ;
+
+  lin
+    PEmpty = ss [] ;
+    PDecl exp prog = ss (exp.s ++ ";" ++ prog.s) ;
+    PAss vr exp prog = ss (exp.s ++ ";" ++ "istore" ++ vr.s ++ ";" ++ prog.s) ;
+
+    EPlus  = postfix "iadd" ;
+    EMinus = postfix "isub" ;
+    ETimes = postfix "imul" ;
+
+    EInt = prefixSS "iconst" ;
+    EVar = prefixSS "iload" ;
+
+  oper
+    postfix : Str -> SS -> SS -> SS = \op,x,y -> ss (x.s ++ ";" ++ y.s ++ ";" ++ op) ;
+}
-- 
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