chore: Switch to this repository from predecessor

bin/extract_tests.xsh

@@ -0,0 +1,36 @@
+#!/usr/bin/env xonsh
+
+import re
+
+#### Set Parameters
+# Should be a list of Path objects:
+TEST_LIST = pg`tests/*.spt`
+
+# Should be the top-level directory for all extracted tests:
+# (there will be one subdirectory per item in TEST_LIST)
+DESTINATION = 'tests/extracted'
+
+# Extension for extracted files:
+EXT = 'fos'
+
+# Extension for expectations:
+EXP = 'expect'
+
+for path in TEST_LIST:
+  destdir = pf"{DESTINATION}/{path.stem}"
+  mkdir -p @(destdir)
+  contents = path.read_text()
+  tests = re.split(r'test\s*(.+?)\s*\[\[.*?\n', contents)[1:]
+  testit = iter(tests)
+  for name, details in zip(testit, testit):
+    em = re.search(r'\n\s*\]\]', details)
+    if not em: continue
+    example = details[:em.start()+1]
+    expath = destdir / f"{name}.{EXT}"
+    expath.write_text(example)
+    echo Wrote @(expath)
+    xm = re.search(r'/\*\*\s+writes.*?\n([\s\S]*?)\*\*/', details[em.end():])
+    if xm:
+      xpath = destdir / f"{name}.{EXP}"
+      xpath.write_text(xm[1])
+      echo "  ...and" @(xpath)