Remove the program class.

It was only used to implement ExecuteAndWait and ExecuteNoWait. Expose just
those two functions and make Execute and Wait implementations details.

llvm-svn: 183864

1 files changed, 18 insertions, 20 deletions

diff --git a/llvm/lib/Support/Program.cpp b/llvm/lib/Support/Program.cpp
index 201d5c0d305..ae7e291e2a0 100644
--- a/llvm/lib/Support/Program.cpp
+++ b/llvm/lib/Support/Program.cpp
@@ -22,33 +22,31 @@ using namespace sys;
 //===          independent code.
 //===----------------------------------------------------------------------===//
 
-int
-Program::ExecuteAndWait(const Path& path,
-                        const char** args,
-                        const char** envp,
-                        const Path** redirects,
-                        unsigned secondsToWait,
-                        unsigned memoryLimit,
-                        std::string* ErrMsg,
+static bool Execute(void *&Data, const Path &path, const char **args,
+                    const char **env, const sys::Path **redirects,
+                    unsigned memoryLimit, std::string *ErrMsg);
+
+static int Wait(void *&Data, const Path &path, unsigned secondsToWait,
+                std::string *ErrMsg);
+
+int sys::ExecuteAndWait(const Path &path, const char **args, const char **envp,
+                        const Path **redirects, unsigned secondsToWait,
+                        unsigned memoryLimit, std::string *ErrMsg,
                         bool *ExecutionFailed) {
-  Program prg;
-  if (prg.Execute(path, args, envp, redirects, memoryLimit, ErrMsg)) {
+  void *Data;
+  if (Execute(Data, path, args, envp, redirects, memoryLimit, ErrMsg)) {
     if (ExecutionFailed) *ExecutionFailed = false;
-    return prg.Wait(path, secondsToWait, ErrMsg);
+    return Wait(Data, path, secondsToWait, ErrMsg);
   }
   if (ExecutionFailed) *ExecutionFailed = true;
   return -1;
 }
 
-void
-Program::ExecuteNoWait(const Path& path,
-                       const char** args,
-                       const char** envp,
-                       const Path** redirects,
-                       unsigned memoryLimit,
-                       std::string* ErrMsg) {
-  Program prg;
-  prg.Execute(path, args, envp, redirects, memoryLimit, ErrMsg);
+void sys::ExecuteNoWait(const Path &path, const char **args, const char **envp,
+                        const Path **redirects, unsigned memoryLimit,
+                        std::string *ErrMsg) {
+  void *Data;
+  Execute(Data, path, args, envp, redirects, memoryLimit, ErrMsg);
 }
 
 // Include the platform-specific parts of this class.