X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAsmParser%2FParser.cpp;h=2e76c0ecc45bcbd23fd82267f2d356d0465a8dae;hb=93a23a3bd468b78a9f550a21d70ce2525962f235;hp=d66c13d39c09f656efc511510ccdb6d2d43dce73;hpb=eeb4a84ac8d91fb1d5a7c484a1c7047409faee30;p=oota-llvm.git

diff --git a/lib/AsmParser/Parser.cpp b/lib/AsmParser/Parser.cpp
index d66c13d39c0..2e76c0ecc45 100644
--- a/lib/AsmParser/Parser.cpp
+++ b/lib/AsmParser/Parser.cpp
@@ -7,55 +7,58 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This library implements the functionality defined in llvm/Assembly/Parser.h
+// This library implements the functionality defined in llvm/AsmParser/Parser.h
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Assembly/Parser.h"
+#include "llvm/AsmParser/Parser.h"
 #include "LLParser.h"
-#include "llvm/Module.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Support/SourceMgr.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/IR/Module.h"
 #include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cstring>
+#include <system_error>
 using namespace llvm;
 
-Module *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err,
-                                LLVMContext &Context) {
-  std::string ErrorStr;
-  MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
-  if (F == 0) {
-    Err = SMDiagnostic("", -1, -1,
-                       "Could not open input file '" + Filename + "'", "");
-    return 0;
-  }
-
+bool llvm::parseAssemblyInto(MemoryBufferRef F, Module &M, SMDiagnostic &Err) {
   SourceMgr SM;
-  SM.AddNewSourceBuffer(F, SMLoc());
-  
-  OwningPtr<Module> M(new Module(Filename, Context));
-  if (LLParser(F, SM, Err, M.get()).Run())
-    return 0;
-  return M.take();
+  std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(F, false);
+  SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
+
+  return LLParser(F.getBuffer(), SM, Err, &M).Run();
 }
 
-Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
-                                  SMDiagnostic &Err, LLVMContext &Context) {
-  MemoryBuffer *F =
-    MemoryBuffer::getMemBuffer(AsmString, AsmString+strlen(AsmString),
-                               "<string>");
-  
-  SourceMgr SM;
-  SM.AddNewSourceBuffer(F, SMLoc());
+std::unique_ptr<Module> llvm::parseAssembly(MemoryBufferRef F,
+                                            SMDiagnostic &Err,
+                                            LLVMContext &Context) {
+  std::unique_ptr<Module> M =
+      make_unique<Module>(F.getBufferIdentifier(), Context);
 
-  // If we are parsing into an existing module, do it.
-  if (M)
-    return LLParser(F, SM, Err, M).Run() ? 0 : M;
+  if (parseAssemblyInto(F, *M, Err))
+    return nullptr;
+
+  return M;
+}
+
+std::unique_ptr<Module> llvm::parseAssemblyFile(StringRef Filename,
+                                                SMDiagnostic &Err,
+                                                LLVMContext &Context) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+      MemoryBuffer::getFileOrSTDIN(Filename);
+  if (std::error_code EC = FileOrErr.getError()) {
+    Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
+                       "Could not open input file: " + EC.message());
+    return nullptr;
+  }
+
+  return parseAssembly(FileOrErr.get()->getMemBufferRef(), Err, Context);
+}
 
-  // Otherwise create a new module.
-  OwningPtr<Module> M2(new Module("<string>", Context));
-  if (LLParser(F, SM, Err, M2.get()).Run())
-    return 0;
-  return M2.take();
+std::unique_ptr<Module> llvm::parseAssemblyString(StringRef AsmString,
+                                                  SMDiagnostic &Err,
+                                                  LLVMContext &Context) {
+  MemoryBufferRef F(AsmString, "<string>");
+  return parseAssembly(F, Err, Context);
 }