Tapping

projects/shogoth/src/python/shogoth/repl/__main__.py

@@ -3,11 +3,46 @@
 
 from shogoth.reader import Reader
 
-import prompt_toolkit
+from prompt_toolkit import (
-import yaspin
+    print_formatted_text,
+    PromptSession,
+)
+from prompt_toolkit.formatted_text import (
+    FormattedText,
+)
+from prompt_toolkit.history import FileHistory
+from prompt_toolkit.styles import Style
+from yaspin import Spinner, yaspin
+
+
+STYLE = Style.from_dict(
+    {
+        # User input (default text).
+        "": "",
+        "prompt": "ansigreen",
+        "time": "ansiyellow",
+    }
+)
+
+SPINNER = Spinner(["|", "/", "-", "\\"], 200)
+
+
+def main():
+    reader = Reader()
+    session = PromptSession(history=FileHistory(".shogoth.history"))
+    while True:
+        try:
+            line = session.prompt([("class:prompt", ">>> ")], style=STYLE)
+        except (KeyboardInterrupt):
+            continue
+        except EOFError:
+            break
+
+        with yaspin(SPINNER):
+            read = reader.read(line)
+
+        print(read, type(read))
+
 
 if __name__ == "__main__":
-    reader = Reader()
+    main()
-    while (line := input(">>> ")):
-        read = reader.read(line)
-        print(read, type(read))

projects/shogoth/test/python/shogoth/vm/parser/test_parser.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+from shogoth.parser import parse
+
+import pytest
+
+
+@pytest.mark.parametrize('example', [
+    "true",
+    "false",
+    "nil",
+    "foo",
+    '"this is a trivial string"',
+    r'/this is a trivial pattern/',
+    "[]",
+    "[[]]",
+    "[[[]]]",
+    "()",
+    "(())",
+    "((()))",
+    "{}",
+
+    # Decimals
+    "10",
+    "01", # odd but legal
+
+    # Octal
+    "0o7",
+
+    # Binary
+    "0b1",
+
+    # Hex
+    "0x1",
+    "0xF",
+    "0xa",
+
+    # FIXME: Floats (ugh)
+])
+def test_parses(example):
+    assert parse(example)