Add pyrsc_regeneratior.py

pyrsc_regeneratior.py

@@ -0,0 +1,46 @@
+"""for pyrs.c
+
+Replace the char* s and the printf line with `$` and `@` respectively, then run this script to generate both lines. Then copy that and replace the `$...@` range (inclusive) with them.
+"""
+
+
+LIST = '\\\n"%'
+
+
+def take(s):
+    r = []
+    n = []
+    for c in s:
+        if c in LIST:
+            n.append("%c")
+            r.append(ord(c))
+        else:
+            if c in "$":
+                r.extend([ord('"'), "s", ord('"')])
+            n.append(c)
+    return r, "".join(n)
+
+
+
+def proc(s):
+    r, n = take(s)
+    a = n.index("$")
+    b = n.index("@")
+    assert a < b
+    chars = "char* s = %c%s%c;"
+    printf = f"printf(s, {', '.join(map(str, r))});"
+    a = n[:a] + chars + n[a + 1:b] + printf + n[b + 1 :]
+    return a, printf
+
+if __name__ == "__main__":
+    import json
+    import sys
+
+    if len(sys.argv) > 1:
+        with open(sys.argv[1], "r") as f:
+            s = f.read()
+    else:
+        s = sys.stdin.read()
+    a, p = proc(s)
+    print(f"char* s = {json.dumps(a)};")
+    print(f"    {p}")