From 776fe3193b515c028b5ac69326baed51d760d32f Mon Sep 17 00:00:00 2001
From: mryouse
Date: Tue, 21 Jun 2022 01:49:29 +0000
Subject: refactor: break stdlib into several files

---
 neb/std/term.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 neb/std/term.py

(limited to 'neb/std/term.py')

diff --git a/neb/std/term.py b/neb/std/term.py
new file mode 100644
index 0000000..e706005
--- /dev/null
+++ b/neb/std/term.py
@@ -0,0 +1,33 @@
+from .. import TypeEnum, Environment, Arg, Builtin, evaluate
+from ..structs import *
+import subprocess
+import sys
+
+TERM = Environment()
+
+def interpretClear(symbol, args, env, ns):
+    subprocess.run(["clear"])
+    return List([])
+
+TERM.register("clear", Builtin(interpretClear, []))
+
+def interpretReadLine(symbol, args, env, ns):
+    ret = input(args[0].value)
+    return String(ret)
+
+TERM.register("read-line", Builtin(interpretReadLine, [Arg("prompt", TypeEnum.STRING)]))
+
+def interpretReadChar(symbol, args, env, ns):
+    import termios, tty
+    fd = sys.stdin.fileno()
+    old = termios.tcgetattr(fd)
+    try:
+        tty.setraw(fd)
+        ch = sys.stdin.buffer.read1(4)  # some keys are >1 bytes
+    except Exception:
+        raise
+    finally:
+        termios.tcsetattr(fd, termios.TCSADRAIN, old)
+    return String(ch.decode("utf-8"))
+
+TERM.register("read-char", Builtin(interpretReadChar, []))
-- 
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