From 25712a3b8efd62feba2c64ff6a8b48f78f64e3d1 Mon Sep 17 00:00:00 2001
From: Mart Lubbers <mart@martlubbers.net>
Date: Sun, 29 May 2016 21:09:17 +0200
Subject: [PATCH] printen en parsen voor de demo

---
 examples/{parsing.spl => printparse.spl} | 25 +++++++++++++++++++++++-
 gen.icl                                  |  1 +
 2 files changed, 25 insertions(+), 1 deletion(-)
 rename examples/{parsing.spl => printparse.spl} (62%)

diff --git a/examples/parsing.spl b/examples/printparse.spl
similarity index 62%
rename from examples/parsing.spl
rename to examples/printparse.spl
index 96160bd..06b4f1f 100644
--- a/examples/parsing.spl
+++ b/examples/printparse.spl
@@ -12,6 +12,20 @@ toInt(x) :: Char -> Int{
 	} else { return -1; }}}}}}}}}}
 }
 
+toChar(x) :: Int -> Char{
+	if(x == 0){ return '0';
+	} else { if(x == 1){ return '1';
+	} else { if(x == 2){ return '2';
+	} else { if(x == 3){ return '3';
+	} else { if(x == 4){ return '4';
+	} else { if(x == 5){ return '5';
+	} else { if(x == 6){ return '6';
+	} else { if(x == 7){ return '7';
+	} else { if(x == 8){ return '8';
+	} else { if(x == 9){ return '9';
+	} else { return '0'; }}}}}}}}}}
+}
+
 isDigit(x) :: Char -> Bool {
 	return toInt(x) != -1;
 }
@@ -48,8 +62,17 @@ printList(p, l) {
 	print("]\n");
 }
 
+printInt(x) {
+	[Char] l = [];
+	while(x > 0){
+		l = toChar(x % 10) : l;
+		x = x / 10;
+	}
+	print(l);
+}
+
 main(){
 	var num = "-1234";
 
-	printList(print, 1 : 2 : []);
+	printList(printInt, 32 : 4 : []);
 }
diff --git a/gen.icl b/gen.icl
index e9d6cac..eba5a1d 100644
--- a/gen.icl
+++ b/gen.icl
@@ -178,6 +178,7 @@ instance g Expr where
 			,Instr "ldc" [Lit 0] ""
 			,Instr "sth" [] ""
 			,Instr "ajs" [Lit -1] ""]
+		Nothing = liftT $ Left $ Error "PANIC: unresolver variable expr"
     g (LambdaExpr _ _ _) = liftT $ Left $ Error "PANIC: Lambdas should be unfolded"
     g (FunExpr _ k es fs) = funnyStuff k es fs
 
-- 
2.20.1