From 5d844554f59733de44d6311347d44560b0e8a0c3 Mon Sep 17 00:00:00 2001
From: Riyyi <riyyi3@gmail.com>
Date: Fri, 1 Jul 2022 11:49:20 +0200
Subject: [PATCH] Util: Fix Parser number error detection

---
 src/util/json/parser.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/util/json/parser.cpp b/src/util/json/parser.cpp
index f1ec12f..48e8676 100644
--- a/src/util/json/parser.cpp
+++ b/src/util/json/parser.cpp
@@ -211,14 +211,16 @@ Value Parser::getNumber()
 		}
 	}
 
-	if (fractionPosition == exponentPosition - 1) {
-		reportError(token, "invalid exponent sign, expected number");
-		return nullptr;
-	}
+	if (fractionPosition != 0 || exponentPosition != 0) {
+		if (fractionPosition == exponentPosition - 1) {
+			reportError(token, "invalid exponent sign, expected number");
+			return nullptr;
+		}
 
-	if (fractionPosition == length - 1 || exponentPosition == length - 1) {
-		reportError(token, "invalid number");
-		return nullptr;
+		if (fractionPosition == length - 1 || exponentPosition == length - 1) {
+			reportError(token, "invalid number");
+			return nullptr;
+		}
 	}
 
 	return std::stod(token.symbol);