From 9b0fe0af05ffc76aa031153f62610b1830554bad Mon Sep 17 00:00:00 2001
From: Jannick <unknown>
Date: Mon, 28 Aug 2017 17:00:46 +1000
Subject: Backport: Bug [#1966]. Default value of 0 for undefined preprocessor
 symbols.

Backport of changeset 6380:89e44071e21e.
---
 lexers/LexCPP.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lexers')

diff --git a/lexers/LexCPP.cxx b/lexers/LexCPP.cxx
index 08a95321e..10b5535ca 100644
--- a/lexers/LexCPP.cxx
+++ b/lexers/LexCPP.cxx
@@ -1582,8 +1582,8 @@ void LexerCPP::EvaluateTokens(std::vector<std::string> &tokens, const SymbolTabl
 					tokens.insert(tokens.begin() + i, macroTokens.begin(), macroTokens.end());
 				}
 			} else {
-				// Identifier not found
-				tokens.erase(tokens.begin() + i);
+				// Identifier not found and value defaults to zero
+				tokens[i] = "0";
 			}
 		} else {
 			i++;
-- 
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