From cd22da1d9e77a9a7b6fe3ecf5bd828977acc6282 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Fri, 25 Aug 2017 12:43:58 +0200
Subject: Remove escape function.

---
 libdevcore/CommonData.cpp      | 28 ----------------------------
 libsolidity/ast/ASTPrinter.cpp | 14 +++++++++++---
 2 files changed, 11 insertions(+), 31 deletions(-)

diff --git a/libdevcore/CommonData.cpp b/libdevcore/CommonData.cpp
index 14caf494..db11e61c 100644
--- a/libdevcore/CommonData.cpp
+++ b/libdevcore/CommonData.cpp
@@ -28,34 +28,6 @@
 using namespace std;
 using namespace dev;
 
-std::string dev::escaped(std::string const& _s, bool _all)
-{
-	static const map<char, char> prettyEscapes{{'\r', 'r'}, {'\n', 'n'}, {'\t', 't'}, {'\v', 'v'}};
-	std::string ret;
-	ret.reserve(_s.size() + 2);
-	ret.push_back('"');
-	for (auto i: _s)
-		if (i == '"' && !_all)
-			ret += "\\\"";
-		else if (i == '\\' && !_all)
-			ret += "\\\\";
-		else if (prettyEscapes.count(i) && !_all)
-		{
-			ret += '\\';
-			ret += prettyEscapes.find(i)->second;
-		}
-		else if (i < ' ' || _all)
-		{
-			ret += "\\x";
-			ret.push_back("0123456789abcdef"[(uint8_t)i / 16]);
-			ret.push_back("0123456789abcdef"[(uint8_t)i % 16]);
-		}
-		else
-			ret.push_back(i);
-	ret.push_back('"');
-	return ret;
-}
-
 int dev::fromHex(char _i, WhenError _throw)
 {
 	if (_i >= '0' && _i <= '9')
diff --git a/libsolidity/ast/ASTPrinter.cpp b/libsolidity/ast/ASTPrinter.cpp
index 392179ef..09191433 100644
--- a/libsolidity/ast/ASTPrinter.cpp
+++ b/libsolidity/ast/ASTPrinter.cpp
@@ -21,9 +21,12 @@
  */
 
 #include <libsolidity/ast/ASTPrinter.h>
-#include <boost/algorithm/string/join.hpp>
 #include <libsolidity/ast/AST.h>
 
+#include <libdevcore/JSON.h>
+
+#include <boost/algorithm/string/join.hpp>
+
 using namespace std;
 
 namespace dev
@@ -579,8 +582,13 @@ void ASTPrinter::printSourcePart(ASTNode const& _node)
 	if (!m_source.empty())
 	{
 		SourceLocation const& location(_node.location());
-		*m_ostream << indentation() << "   Source: "
-				   << escaped(m_source.substr(location.start, location.end - location.start), false) << endl;
+		*m_ostream <<
+			indentation() <<
+			"   Source: " <<
+			/// Note: this "abuses" the JSON library to print a string (as it is not a valid root node).
+			///       It also makes a copy of the string.
+			jsonCompactPrint(m_source.substr(location.start, location.end - location.start)) <<
+			endl;
 	}
 }
 
-- 
cgit