From 9b5668c8efa022e066a556d69834da9e564b7deb Mon Sep 17 00:00:00 2001
From: John Kessenich <cepheus@frii.com>
Date: Tue, 9 Jan 2018 22:32:42 -0700
Subject: [PATCH] HLSL: Fix #1214: check for nesting in loop/switch of break
statements.
---
hlsl/hlslGrammar.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hlsl/hlslGrammar.cpp b/hlsl/hlslGrammar.cpp
index 32b483ad9..2fd393363 100755
--- a/hlsl/hlslGrammar.cpp
+++ b/hlsl/hlslGrammar.cpp
@@ -3789,6 +3789,10 @@ bool HlslGrammar::acceptJumpStatement(TIntermNode*& statement)
break;
case EHTokBreak:
statement = intermediate.addBranch(EOpBreak, token.loc);
+ if (parseContext.loopNestingLevel == 0 && parseContext.switchSequenceStack.size() == 0) {
+ expected("loop or switch");
+ return false;
+ }
break;
case EHTokDiscard:
statement = intermediate.addBranch(EOpKill, token.loc);
--
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