From ae779383bec1fd571dfd296ce56bc4cd1d8c8138 Mon Sep 17 00:00:00 2001
From: Mikhail Glushenkov <foldr@codedgers.com>
Date: Tue, 26 Jan 2010 14:55:04 +0000
Subject: [PATCH] Escape double quotes in 'help'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94543 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/LLVMCConfigurationEmitter.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp
index 88fb6c3b2c7..2abc94bbcda 100644
--- a/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -116,7 +116,7 @@ bool IsDagEmpty (const DagInit& d) {
 // EscapeVariableName - Escape commas and other symbols not allowed
 // in the C++ variable names. Makes it possible to use options named
 // like "Wa," (useful for prefix options).
-std::string EscapeVariableName(const std::string& Var) {
+std::string EscapeVariableName (const std::string& Var) {
   std::string ret;
   for (unsigned i = 0; i != Var.size(); ++i) {
     char cur_char = Var[i];
@@ -136,6 +136,21 @@ std::string EscapeVariableName(const std::string& Var) {
   return ret;
 }
 
+/// EscapeQuotes - Replace '"' with '\"'.
+std::string EscapeQuotes (const std::string& Var) {
+  std::string ret;
+  for (unsigned i = 0; i != Var.size(); ++i) {
+    char cur_char = Var[i];
+    if (cur_char == '"') {
+      ret += "\\\"";
+    }
+    else {
+      ret.push_back(cur_char);
+    }
+  }
+  return ret;
+}
+
 /// OneOf - Does the input string contain this character?
 bool OneOf(const char* lst, char c) {
   while (*lst) {
@@ -594,7 +609,7 @@ private:
 
   void onHelp (const DagInit& d) {
     CheckNumberOfArguments(d, 1);
-    optDesc_.Help = InitPtrToString(d.getArg(0));
+    optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
   }
 
   void onHidden (const DagInit& d) {