From 0665e6a2490c9ea770a98908788a1e5d210aa811 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Fri, 25 Aug 2023 10:17:21 +0530
Subject: feat: adds try expression for error handlign

---
 src/eval.ts   | 8 ++++++++
 src/parser.ts | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/eval.ts b/src/eval.ts
index 91514b9..0be3de5 100644
--- a/src/eval.ts
+++ b/src/eval.ts
@@ -322,6 +322,14 @@ const getFunctions = (
       return EvalValue.String(dequotify(str || ''))
     },
 
+    try: async () => {
+      try {
+        return await evalExpr(args[0], actions)
+      } catch (e) {
+        return evalExpr(args[1], actions)
+      }
+    },
+
     _: () => Promise.reject(new Error(`Not implemented: ${name}`)),
   })
 }
diff --git a/src/parser.ts b/src/parser.ts
index eeb9acf..216c1bc 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -142,7 +142,7 @@ export const parseDeclarations = (input: string) =>
   )
 
 export const parse = (input: string): Array<Expr> => {
-  const res = P.many1(exprParser)(input.trim())
+  const res = P.sepBy(exprParser, P.or([comma, whitespace]))(input.trim())
   return match(res, {
     Ok: ({ value, input }) => {
       if (input) {
-- 
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