From e8c2e87397c0dbb8e5be3e096385e45740a4cbf3 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Fri, 5 Aug 2016 18:27:44 +0100
Subject: Use utf8::validate in StringLiteral::toString

---
 libsolidity/ast/Types.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libsolidity/ast')

diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp
index df4ec0aa..d6f6225c 100644
--- a/libsolidity/ast/Types.cpp
+++ b/libsolidity/ast/Types.cpp
@@ -26,6 +26,7 @@
 #include <libdevcore/CommonIO.h>
 #include <libdevcore/CommonData.h>
 #include <libdevcore/SHA3.h>
+#include <libdevcore/UTF8.h>
 #include <libsolidity/interface/Utils.h>
 #include <libsolidity/ast/AST.h>
 
@@ -854,6 +855,11 @@ bool StringLiteralType::operator==(const Type& _other) const
 
 std::string StringLiteralType::toString(bool) const
 {
+	int invalidSequence;
+
+	if (!dev::utf8::validate(m_value, invalidSequence))
+		return "literal_string (contains invalid UTF-8 sequence at position " + dev::toString(invalidSequence) + ")";
+
 	return "literal_string \"" + m_value + "\"";
 }
 
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