From 76f0b9d9651c348fb8bc0c3280616ec63ba58808 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Mon, 7 Nov 2016 12:02:55 +1100
Subject: Specify 'noexcept' to use Clang with GNU <regex>. Since 'noexcept' is
 not available with all compilers, restrict it to cases where needed.

---
 src/Document.cxx | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/Document.cxx b/src/Document.cxx
index 58f663376..c105bdda3 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -16,8 +16,16 @@
 #include <vector>
 #include <algorithm>
 
+#define NOEXCEPT
+
 #ifndef NO_CXX11_REGEX
 #include <regex>
+#if defined(__GLIBCXX__)
+// If using the GNU implementation of <regex> then have 'noexcept' so can use
+// when defining regex iterators to keep Clang analyze happy.
+#undef NOEXCEPT
+#define NOEXCEPT noexcept
+#endif
 #endif
 
 #include "Platform.h"
@@ -2570,7 +2578,7 @@ public:
 	Position position;
 	ByteIterator(const Document *doc_ = 0, Position position_ = 0) : doc(doc_), position(position_) {
 	}
-	ByteIterator(const ByteIterator &other) {
+	ByteIterator(const ByteIterator &other) NOEXCEPT {
 		doc = other.doc;
 		position = other.position;
 	}
@@ -2745,7 +2753,7 @@ class UTF8Iterator : public std::iterator<std::bidirectional_iterator_tag, wchar
 public:
 	UTF8Iterator(const Document *doc_=0, Position position_=0) : doc(doc_), position(position_) {
 	}
-	UTF8Iterator(const UTF8Iterator &other) {
+	UTF8Iterator(const UTF8Iterator &other) NOEXCEPT {
 		doc = other.doc;
 		position = other.position;
 	}
-- 
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