add --no-core flag

1 files changed, 14 insertions, 6 deletions

diff --git a/main.d b/main.d
index 57a6dbc..683eeb0 100644
--- a/main.d
+++ b/main.d
@@ -2,6 +2,7 @@ import std.stdio;
 import std.string;
 import std.file;
 import std.conv;
+import std.getopt;
 
 /*
 import parser;
@@ -21,10 +22,10 @@ import vm;
 */
 
 
-void repl() {
+void repl(bool noCore) {
     REPL = true;
     VM vm = new VM();
-    interpret(getCore(), vm);
+    interpret(getCore(noCore), vm);
 	while(true) {
 
 		write("> ");
@@ -50,13 +51,20 @@ string readFile(string fname) {
         return to!string(ret);
 }
 
-string getCore() {
-    return readFile("core.neb");
+string getCore(bool noCore) {
+    if (noCore) {
+        return "";
+    } else {
+        return readFile("core.neb");
+    }
 }
 
 int main(string[] args) {
+    bool noCore = false;
+    getopt(args, "no-core", &noCore);
+
     if (args.length <= 1) {
-        repl();
+        repl(noCore);
     } else {
         string fname = args[1];
 
@@ -66,7 +74,7 @@ int main(string[] args) {
         }
 
         VM vm = new VM();
-        interpret(getCore(), vm);
+        interpret(getCore(noCore), vm);
 
         string data = readFile(fname);