From 3d2725be8d9955a42dd3b57e4b5f45ce22b49aec Mon Sep 17 00:00:00 2001
From: Barf-Vader <47476490+Barf-Vader@users.noreply.github.com>
Date: Fri, 7 Feb 2025 17:22:54 +0000
Subject: [PATCH] feat: catch indirect function calls

---
 src/main/wacc/parser.scala | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/wacc/parser.scala b/src/main/wacc/parser.scala
index d8b52b4..ddb5987 100644
--- a/src/main/wacc/parser.scala
+++ b/src/main/wacc/parser.scala
@@ -2,7 +2,7 @@ package wacc
 
 import parsley.Result
 import parsley.Parsley
-import parsley.Parsley.{atomic, many, notFollowedBy, pure}
+import parsley.Parsley.{atomic, many, notFollowedBy, pure, unit}
 import parsley.combinator.{countSome, sepBy}
 import parsley.expr.{precedence, SOps, InfixL, InfixN, InfixR, Prefix, Atoms}
 import parsley.errors.combinator._
@@ -95,7 +95,9 @@ object parser {
   private val `<ident>` =
     Ident(ident) | some("*" | "&").verifiedExplain("pointer operators are not allowed")
   private lazy val `<ident-or-array-elem>` =
-    `<ident>` <**> (`<array-indices>` </> identity)
+    (`<ident>` <~ ("(".verifiedExplain(
+      "functions can only be called using 'call' keyword"
+    ) | unit)) <**> (`<array-indices>` </> identity)
   private val `<array-indices>` = ArrayElem(some("[" ~> `<expr>` <~ "]"))
 
   // Types