Data commit

Task/Execute-Brain-/Go/execute-brain-.go

@@ -0,0 +1,55 @@
+package main
+
+import "fmt"
+
+func main() {
+    // example program is current Brain**** solution to
+    // Hello world/Text task.  only requires 10 bytes of data store!
+    bf(10, `++++++++++[>+>+++>++++>+++++++>++++++++>+++++++++>++
+++++++++>+++++++++++>++++++++++++<<<<<<<<<-]>>>>+.>>>
+>+..<.<++++++++.>>>+.<<+.<<<<++++.<++.>>>+++++++.>>>.+++.
+<+++++++.--------.<<<<<+.<+++.---.`)
+}
+
+func bf(dLen int, is string) {
+    ds := make([]byte, dLen) // data store
+    var dp int               // data pointer
+    for ip := 0; ip < len(is); ip++ {
+        switch is[ip] {
+        case '>':
+            dp++
+        case '<':
+            dp--
+        case '+':
+            ds[dp]++
+        case '-':
+            ds[dp]--
+        case '.':
+            fmt.Printf("%c", ds[dp])
+        case ',':
+            fmt.Scanf("%c", &ds[dp])
+        case '[':
+            if ds[dp] == 0 {
+                for nc := 1; nc > 0; {
+                    ip++
+                    if is[ip] == '[' {
+                        nc++
+                    } else if is[ip] == ']' {
+                        nc--
+                    }
+                }
+            }
+        case ']':
+            if ds[dp] != 0 {
+                for nc := 1; nc > 0; {
+                    ip--
+                    if is[ip] == ']' {
+                        nc++
+                    } else if is[ip] == '[' {
+                        nc--
+                    }
+                }
+            }
+        }
+    }
+}