refactored print loop, project structure

cmd/print_ast.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+    "strings"
+    "os"
+    "git.callpipe.com/aidan/shsh"
+)
+
+func main() {
+    shsh.PrintSExpression(shsh.Lex(strings.Join(os.Args[1:], " ")))
+}

cmd/shsh/shsh.go

@@ -1,14 +0,0 @@
-package main
-
-import (
-    "bufio"
-    "os"
-    "git.callpipe.com/aidan/shsh"
-)
-
-func main() {
-    scanner := bufio.NewScanner(os.Stdin)
-    for scanner.Scan() {
-        shsh.PrintSExpression(shsh.Lex(scanner.Text()))
-    }
-}

debug.go

@@ -13,12 +13,10 @@ func FmtToken(arg *Token) string {
 
     switch arg.tag {
     case LIST:
-        return fmt.Sprintf("(%s, List @ %p, %d)%s", "LIST", arg._inner,
-            arg.position, suffix)
+        return fmt.Sprintf("(%s, List @ %p)%s", "LIST", arg._inner, suffix)
 
     default:
-        return fmt.Sprintf("(%s, %s, %d)%s", GetTagAsStr(arg.tag), arg._inner,
-            arg.position, suffix)
+        return fmt.Sprintf("(%s, %s)%s", GetTagAsStr(arg.tag), arg._inner, suffix)
     }
 }
 
@@ -54,12 +52,6 @@ loop:
     for iter := i; iter != nil; iter = iter.next {
         if iter.tag == LIST {
             lists.Push(iter._inner.(*Token))
-            constructor.WriteString(FmtToken(&Token{
-                next: iter.next,
-                tag: STRING,
-                position: iter.position,
-                _inner: "[LIST]"}))
-            continue
         }
 
         constructor.WriteString(FmtToken(iter))

token.go

@@ -26,9 +26,9 @@ func Lex(input string) *Token {
     }
 
     var ret *Token
+    var tok strings.Builder
     iter := &ret
     delim := ' '
-    var tok strings.Builder
     is_list := false
     is_str  := false