Fix warning when assertions disabled.

[oota-llvm.git] / lib / AsmParser / Parser.cpp

diff --git a/lib/AsmParser/Parser.cpp b/lib/AsmParser/Parser.cpp
index e8a7bdbbb9896010066edbd28052b88f6e446758..0005e11737b8e781c4e79c80dd3231168da7555a 100644 (file)
--- a/lib/AsmParser/Parser.cpp
+++ b/lib/AsmParser/Parser.cpp
@@ -1,10 +1,10 @@
 //===- Parser.cpp - Main dispatch module for the Parser library -------------===
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
 //===----------------------------------------------------------------------===//
 //
 // This library implements the functionality defined in llvm/assembly/parser.h
@@ -13,60 +13,66 @@
 
 #include "ParserInternals.h"
 #include "llvm/Module.h"
-#include "llvm/Analysis/Verifier.h"
-
-// The useful interface defined by this file... Parse an ASCII file, and return
-// the internal representation in a nice slice'n'dice'able representation.
-//
-Module *ParseAssemblyFile(const std::string &Filename) {
-  FILE *F = stdin;
+#include "llvm/Support/MemoryBuffer.h"
+#include <cstring>
+using namespace llvm;
 
-  if (Filename != "-") {
-    F = fopen(Filename.c_str(), "r");
 
-    if (F == 0)
-      throw ParseException(Filename, "Could not open file '" + Filename + "'");
-  }
+ParseError* TheParseError = 0; /// FIXME: Not threading friendly
 
-  Module *Result;
-  try {
-    Result = RunVMAsmParser(Filename, F);
-  } catch (...) {
-    if (F != stdin) fclose(F);      // Make sure to close file descriptor if an
-    throw;                          // exception is thrown
+Module *llvm::ParseAssemblyFile(const std::string &Filename, ParseError* Err) {
+  std::string ErrorStr;
+  MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
+  if (F == 0) {
+    if (Err)
+      Err->setError(Filename, "Could not open input file '" + Filename + "'");
+    return 0;
   }
+  
+  TheParseError = Err;
+  Module *Result = RunVMAsmParser(F);
+  delete F;
+  return Result;
+}
 
-  if (F != stdin)
-    fclose(F);
-
+Module *llvm::ParseAssemblyString(const char *AsmString, Module *M, 
+                                  ParseError *Err) {
+  TheParseError = Err;
+  MemoryBuffer *F = MemoryBuffer::getMemBuffer(AsmString, 
+                                               AsmString+strlen(AsmString),
+                                               "<string>");
+  Module *Result = RunVMAsmParser(F);
+  delete F;
   return Result;
 }
 
 
 //===------------------------------------------------------------------------===
-//                              ParseException Class
+//                              ParseError Class
 //===------------------------------------------------------------------------===
 
 
-ParseException::ParseException(const std::string &filename,
-                               const std::string &message, 
-                              int lineNo, int colNo) 
-  : Filename(filename), Message(message) {
-  LineNo = lineNo; ColumnNo = colNo;
+void ParseError::setError(const std::string &filename,
+                          const std::string &message,
+                          int lineNo, int colNo) {
+  Filename = filename;
+  Message = message;
+  LineNo = lineNo;
+  colNo = colNo;
 }
 
-ParseException::ParseException(const ParseException &E) 
+ParseError::ParseError(const ParseError &E)
   : Filename(E.Filename), Message(E.Message) {
   LineNo = E.LineNo;
   ColumnNo = E.ColumnNo;
 }
 
 // Includes info from options
-const std::string ParseException::getMessage() const { 
+const std::string ParseError::getMessage() const {
   std::string Result;
   char Buffer[10];
 
-  if (Filename == "-") 
+  if (Filename == "-")
     Result += "<stdin>";
   else
     Result += Filename;
@@ -79,6 +85,6 @@ const std::string ParseException::getMessage() const {
       Result += std::string(",") + Buffer;
     }
   }
-  
+
   return Result + ": " + Message;
 }