initial

main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+  "fmt"
+  "log"
+  "strings"
+
+  "github.com/chzyer/readline"
+
+  "github.com/hellerve/argos/eval"
+  "github.com/hellerve/argos/parser"
+)
+
+func main() {
+  rl, err := readline.New("argos> ")
+
+  if err != nil {
+    log.Fatal(err)
+  }
+
+  defer rl.Close()
+
+  e := eval.ParentEnv()
+  for {
+    prompt, err := rl.Readline()
+
+    if err != nil {
+      return
+    }
+
+    parsed, err, unconsumed := parser.Parse(prompt)
+
+    if err != nil {
+      fmt.Println(err)
+      continue
+    }
+
+    if len(unconsumed) != 0 {
+      fmt.Println("Unconsumed input:", strings.Join(unconsumed, " "))
+      continue
+    }
+
+    // TODO: how to avoid bindings on error?
+    evald, err := eval.Eval(parsed, e)
+
+
+    if err != nil {
+      fmt.Println(err)
+      continue
+    }
+
+    fmt.Println(evald.Pretty())
+  }
+}