From 19c70b8eaa1126f1648b009d99092432a5c88059 Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Fri, 1 Sep 2017 18:14:43 +0200
Subject: Structs + typedefs

---
 bf.lang | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

(limited to 'bf.lang')

diff --git a/bf.lang b/bf.lang
index c42f73d..0ce6389 100644
--- a/bf.lang
+++ b/bf.lang
@@ -1,3 +1,5 @@
+type byte := char;
+
 func putstr(char[] str) {
 	int i := 0;
 	while (str[i] != '\0') {
@@ -6,16 +8,6 @@ func putstr(char[] str) {
 	}
 }
 
-func int strlen(char[] str) {
-	int i := 0;
-	char c := str[i];
-	while (c != '\0') {
-		i = i + 1;
-		c = str[i];
-	}
-	return i;
-}
-
 func int[] makejumpmap(char[] src, int srclen) {
 	int[] jm := new int[srclen];
 	int[] stack := new int[srclen];
@@ -51,18 +43,18 @@ func int[] makejumpmap(char[] src, int srclen) {
 
 func interpret(char[] src, int srclen) {
 	int[] jm := makejumpmap(src, srclen);
-	char[] mem := new char[4088];
+	byte[] mem := new char[4088];
 	int ip := 0;
 	int memp := 0;
 	while (src[ip] != '\0') {
 		// putint(ip); putc('\n');
 		char c := src[ip];
-		if (c == '+') {mem[memp] = mem[memp] + char(1);}
-		if (c == '-') {mem[memp] = mem[memp] - char(1);}
+		if (c == '+') {mem[memp] = mem[memp] + byte(1);}
+		if (c == '-') {mem[memp] = mem[memp] - byte(1);}
 		if (c == '>') {memp = memp + 1;}
 		if (c == '<') {memp = memp - 1;}
 		if (c == '.') {putc(mem[memp]);}
-		if (c == ',') {mem[memp] = char(getc());}
+		if (c == ',') {mem[memp] = byte(getc());}
 		if (c == '[') {
 			if (mem[memp] == '\0') {
 				ip = jm[ip];
-- 
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