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adding parser code

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Debucquoy Anthony 2025-03-16 11:34:15 +01:00
parent c7f5075842
commit 4ee05452c0
Signed by: tonitch
GPG Key ID: A78D6421F083D42E
1 changed files with 15 additions and 5 deletions
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20
spf.py
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@ -7,17 +7,20 @@ import argparse
import lark import lark
import sys import sys
class SPFTransformer(lark.Transformer):
pass
def main(): def main():
parser = argparse.ArgumentParser() arg_parser = argparse.ArgumentParser()
parser.add_argument("spf_file", help="Fichier source à interpréter") arg_parser.add_argument("spf_file", help="Fichier source à interpréter")
parser.add_argument("-d", "--dump", arg_parser.add_argument("-d", "--dump",
help="affichage de la mémoire du programme", help="affichage de la mémoire du programme",
action="store_true") action="store_true")
parser.add_argument("-t", "--trace", arg_parser.add_argument("-t", "--trace",
help="affichage de la mémoire au cours du programme", help="affichage de la mémoire au cours du programme",
action="store_true") action="store_true")
args = parser.parse_args() args = arg_parser.parse_args()
if args.dump: if args.dump:
print("Dump activated (TODO)", file=sys.stderr) print("Dump activated (TODO)", file=sys.stderr)
@ -25,6 +28,13 @@ def main():
if args.trace: if args.trace:
print("Trace activated (TODO)", file=sys.stderr) 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__": if __name__ == "__main__":
main() main()