Initial commit of lexer

lox/lox.go

@@ -0,0 +1,33 @@
+package lox
+
+import (
+	"bufio"
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+func RunFile(filename string) {
+	bytes, err := ioutil.ReadFile(filename)
+	if err != nil {
+		panic(err)
+	}
+	lexer := newLexer(string(bytes))
+	lexer.lex()
+}
+
+func RunFormat(filename string) {
+
+}
+
+func RunPrompt() {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Split(bufio.ScanLines)
+	fmt.Print("> ")
+
+	for scanner.Scan() {
+		text := scanner.Text()
+		fmt.Printf("Input was: %s\n", text)
+		fmt.Print("> ")
+	}
+}