Cleanup and features

debugger, bitwise ops, bounds checking, hex literals,
better typing of some optimisations, makefile fix, exit function.

1 files changed, 10 insertions, 4 deletions

diff --git a/bf.lang b/bf.lang
index e2f6788..6f7426b 100644
--- a/bf.lang
+++ b/bf.lang
@@ -22,7 +22,7 @@ func int[] makejumpmap(char[] src, int srclen) {
 	int stkp := 0;
 	int i := 0;
 	while (i < srclen) {
-		putint(i); putc(' '); putint(stkp); putc(' '); putc(src[i]); putc('\n');
+		// putint(i); putc(' '); putint(stkp); putc(' '); putc(src[i]); putc('\n');
 		if (src[i] == '[') {
 			stack[stkp] = i;
 			stkp = stkp + 1;
@@ -35,6 +35,9 @@ func int[] makejumpmap(char[] src, int srclen) {
 		}
 		i = i + 1;
 	}
+	if (stkp != 0) {
+		exit(1);
+	}
 	/*i = 0;
 	while (i < srclen) {
 		putint(jm[i]);
@@ -72,17 +75,20 @@ func interpret(char[] src, int srclen) {
 		ip = ip + 1;
 	}
 
+	// debugger;
+
+	putc('\n');
 	memp = 0;
 	while (memp < 10) {
-		putint(int(mem[memp])); putc(' ');
+		putint(int(mem[memp]) & 0xff); putc(' ');
 		memp = memp + 1;
 	}
 	putc('\n');
 }
 
 func int main() {
-	int bufsize := 4088;
-	char[] source := new char[4088];
+	int bufsize := 12280;
+	char[] source := new char[12280];
 
 	int sourcelen := 0;
 	while (1) {