Handle consecutive-double-quotes in Windows argument parsing

Windows command line argument processing treats consecutive double quotes
as a single double-quote. This patch implements this functionality.

Differential Revision: https://reviews.llvm.org/D58662

llvm-svn: 356193

1 files changed, 8 insertions, 1 deletions

diff --git a/llvm/unittests/Support/CommandLineTest.cpp b/llvm/unittests/Support/CommandLineTest.cpp
index 4bfa8a3..a7aee41 100644
--- a/llvm/unittests/Support/CommandLineTest.cpp
+++ b/llvm/unittests/Support/CommandLineTest.cpp
@@ -185,7 +185,7 @@ TEST(CommandLineTest, TokenizeGNUCommandLine) {
                            array_lengthof(Output));
 }
 
-TEST(CommandLineTest, TokenizeWindowsCommandLine) {
+TEST(CommandLineTest, TokenizeWindowsCommandLine1) {
   const char Input[] = "a\\b c\\\\d e\\\\\"f g\" h\\\"i j\\\\\\\"k \"lmn\" o pqr "
                       "\"st \\\"u\" \\v";
   const char *const Output[] = { "a\\b", "c\\\\d", "e\\f g", "h\"i", "j\\\"k",
@@ -194,6 +194,13 @@ TEST(CommandLineTest, TokenizeWindowsCommandLine) {
                            array_lengthof(Output));
 }
 
+TEST(CommandLineTest, TokenizeWindowsCommandLine2) {
+  const char Input[] = "clang -c -DFOO=\"\"\"ABC\"\"\" x.cpp";
+  const char *const Output[] = { "clang", "-c", "-DFOO=\"ABC\"", "x.cpp"};
+  testCommandLineTokenizer(cl::TokenizeWindowsCommandLine, Input, Output,
+                           array_lengthof(Output));
+}
+
 TEST(CommandLineTest, TokenizeConfigFile1) {
   const char *Input = "\\";
   const char *const Output[] = { "\\" };