Introduce LLVMParseCommandLineOptions C API function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219975 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm-c/Support.h b/include/llvm-c/Support.h
index 4e6ff220b100b42fc315c08a7b446c2e41ee8df3..a9216d0364ade4e6a6833a9369993c1887f14e76 100644 (file)
--- a/include/llvm-c/Support.h
+++ b/include/llvm-c/Support.h
@@ -47,6 +47,17 @@ typedef struct LLVMOpaqueMemoryBuffer *LLVMMemoryBufferRef;
   */
 LLVMBool LLVMLoadLibraryPermanently(const char* Filename);
 
+/**
+ * This function parses the given arguments using the LLVM command line parser.
+ * Note that the only stable thing about this function is its signature; you
+ * cannot rely on any particular set of command line arguments being interpreted
+ * the same way across LLVM versions.
+ *
+ * @see llvm::cl::ParseCommandLineOptions()
+ */
+void LLVMParseCommandLineOptions(int argc, const char *const *argv,
+                                 const char *Overview);
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index 9d5f158072427321cde17b2e718bf4496b16ee0c..172381b3d34446d2399697803224c68a79839111 100644 (file)
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -17,6 +17,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/CommandLine.h"
+#include "llvm-c/Support.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallString.h"
@@ -1839,3 +1840,8 @@ void cl::getRegisteredOptions(StringMap<Option*> &Map)
   GetOptionInfo(PositionalOpts, SinkOpts, Map);
   return;
 }
+
+void LLVMParseCommandLineOptions(int argc, const char *const *argv,
+                                 const char *Overview) {
+  llvm::cl::ParseCommandLineOptions(argc, argv, Overview);
+}