From: Tan Kian-ting <chenjt30@gmail.com>
Date: Fri, 29 Sep 2023 03:31:28 +0000 (+0800)
Subject: fix parser rule
X-Git-Url: https://git.kianting.info/?a=commitdiff_plain;h=40a1652583c4dcac4616f5eec50819d8b4e47c73;p=uann

fix parser rule
---

diff --git a/parserRule.txt b/parserRule.txt
index 8b2b5de..b1bcb74 100644
--- a/parserRule.txt
+++ b/parserRule.txt
@@ -1,5 +1,8 @@
-single = "(" expr ")" | int 
-fac1 = applier "(" int ")"  | single
-applier = expr
+single = "(" expr ")" | int
+args = single , args | single
+callees = "(" args ")" | "(" ")"
+facAux = callees facAux |  callees
+single facAux | single
+fac = single facAux | single
 term = fac | fac (MUL | DIV) fac
 expr = term (ADD | SUB) term