From 65d1aa7a779b30bf5b0e7b968b3980b702b08b2c Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 9 Apr 2019 18:40:39 -0300
Subject: Syntax should not allow numbers touching identifiers

Code like 'a = 1print()' should not be accepted.
---
 testes/literals.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'testes')

diff --git a/testes/literals.lua b/testes/literals.lua
index fc45d4ad..27f9377d 100644
--- a/testes/literals.lua
+++ b/testes/literals.lua
@@ -306,4 +306,13 @@ assert(not load"a = 'non-ending string\n'")
 assert(not load"a = '\\345'")
 assert(not load"a = [=x]")
 
+local function malformednum (n, exp)
+  local s, msg = load("return " .. n)
+  assert(not s and string.find(msg, exp))
+end
+
+malformednum("0xe-", "near <eof>")
+malformednum("0xep-p", "malformed number")
+malformednum("1print()", "malformed number")
+
 print('OK')
-- 
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