From 4ee05452c08b4cb248a0bc22e5ed5f13f737ab9b Mon Sep 17 00:00:00 2001
From: Anthony Debucquoy <debucquoy.anthony@gmail.com>
Date: Sun, 16 Mar 2025 11:34:15 +0100
Subject: [PATCH] adding parser code

---
 spf.py | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/spf.py b/spf.py
index 6780ae8..f0c006c 100755
--- a/spf.py
+++ b/spf.py
@@ -7,17 +7,20 @@ import argparse
 import lark
 import sys
 
+class SPFTransformer(lark.Transformer):
+    pass
+
 
 def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument("spf_file", help="Fichier source à interpréter")
-    parser.add_argument("-d", "--dump",
+    arg_parser = argparse.ArgumentParser()
+    arg_parser.add_argument("spf_file", help="Fichier source à interpréter")
+    arg_parser.add_argument("-d", "--dump",
                         help="affichage de la mémoire du programme",
                         action="store_true")
-    parser.add_argument("-t", "--trace",
+    arg_parser.add_argument("-t", "--trace",
                         help="affichage de la mémoire au cours du programme",
                         action="store_true")
-    args = parser.parse_args()
+    args = arg_parser.parse_args()
 
     if args.dump:
         print("Dump activated (TODO)", file=sys.stderr)
@@ -25,6 +28,13 @@ def main():
     if args.trace:
         print("Trace activated (TODO)", file=sys.stderr)
 
+    with open("spf.lark") as grammar:
+        spf_parser = lark.Lark(grammar, parser="lalr", transformer=SPFTransformer)
+
+    with open(args.spf_file) as spf_input:
+        program = spf_input.readall()
+        spf_parser.parse(program)
+
 
 if __name__ == "__main__":
     main()