runtime: Move print functions to separate file

src/runtime/print.go

@@ -0,0 +1,48 @@
+
+package runtime
+
+// #include <stdio.h>
+import "C"
+
+func printstring(s string) {
+	for i := 0; i < len(s); i++ {
+		C.putchar(C.int(s[i]))
+	}
+}
+
+func printint(n int) {
+	// Print integer in signed big-endian base-10 notation, for humans to
+	// read.
+	// TODO: don't recurse, but still be compact (and don't divide/mod
+	// more than necessary).
+	if n < 0 {
+		C.putchar('-')
+		n = -n
+	}
+	prevdigits := n / 10
+	if prevdigits != 0 {
+		printint(prevdigits)
+	}
+	C.putchar(C.int((n % 10) + '0'))
+}
+
+func printbyte(c uint8) {
+	C.putchar(C.int(c))
+}
+
+func printspace() {
+	C.putchar(' ')
+}
+
+func printnl() {
+	C.putchar('\n')
+}
+
+func printitf(msg interface{}) {
+	switch msg := msg.(type) {
+	case string:
+		print(msg)
+	default:
+		print("???")
+	}
+}

src/runtime/runtime.go

@@ -1,55 +1,11 @@
 
 package runtime
 
-// #include <stdio.h>
 // #include <stdlib.h>
 import "C"
 
 const Compiler = "tgo"
 
-func printstring(s string) {
-	for i := 0; i < len(s); i++ {
-		C.putchar(C.int(s[i]))
-	}
-}
-
-func printint(n int) {
-	// Print integer in signed big-endian base-10 notation, for humans to
-	// read.
-	// TODO: don't recurse, but still be compact (and don't divide/mod
-	// more than necessary).
-	if n < 0 {
-		C.putchar('-')
-		n = -n
-	}
-	prevdigits := n / 10
-	if prevdigits != 0 {
-		printint(prevdigits)
-	}
-	C.putchar(C.int((n % 10) + '0'))
-}
-
-func printbyte(c uint8) {
-	C.putchar(C.int(c))
-}
-
-func printspace() {
-	C.putchar(' ')
-}
-
-func printnl() {
-	C.putchar('\n')
-}
-
-func printitf(msg interface{}) {
-	switch msg := msg.(type) {
-	case string:
-		print(msg)
-	default:
-		print("???")
-	}
-}
-
 func _panic(message interface{}) {
 	printstring("panic: ")
 	printitf(message)