-//===- Parser.cpp - Main dispatch module for the Parser library -------------===
+//===- Parser.cpp - Main dispatch module for the Parser library -----------===//
//
-// This library implements the functionality defined in llvm/assembly/parser.h
+// The LLVM Compiler Infrastructure
//
-//===------------------------------------------------------------------------===
-
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Module.h"
-#include "ParserInternals.h"
-#include <stdio.h> // for sprintf
-
-// The useful interface defined by this file... Parse an ascii file, and return
-// the internal representation in a nice slice'n'dice'able representation.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
-Module *ParseAssemblyFile(const ToolCommandLine &Opts) throw (ParseException) {
- FILE *F = stdin;
-
- if (Opts.getInputFilename() != "-")
- F = fopen(Opts.getInputFilename().c_str(), "r");
-
- if (F == 0) {
- throw ParseException(Opts, string("Could not open file '") +
- Opts.getInputFilename() + "'");
- }
-
- // TODO: If this throws an exception, F is not closed.
- Module *Result = RunVMAsmParser(Opts, F);
-
- if (F != stdin)
- fclose(F);
-
- if (Result) { // Check to see that it is valid...
- vector<string> Errors;
- if (verify(Result, Errors)) {
- delete Result; Result = 0;
- string Message;
-
- for (unsigned i = 0; i < Errors.size(); i++)
- Message += Errors[i] + "\n";
-
- throw ParseException(Opts, Message);
- }
- }
- return Result;
+//===----------------------------------------------------------------------===//
+//
+// This library implements the functionality defined in llvm/Assembly/Parser.h
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Assembly/Parser.h"
+#include "LLParser.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/system_error.h"
+#include <cstring>
+using namespace llvm;
+
+Module *llvm::ParseAssembly(MemoryBuffer *F,
+ Module *M,
+ SMDiagnostic &Err,
+ LLVMContext &Context) {
+ SourceMgr SM;
+ SM.AddNewSourceBuffer(F, SMLoc());
+
+ // If we are parsing into an existing module, do it.
+ if (M)
+ return LLParser(F, SM, Err, M).Run() ? 0 : M;
+
+ // Otherwise create a new module.
+ OwningPtr<Module> M2(new Module(F->getBufferIdentifier(), Context));
+ if (LLParser(F, SM, Err, M2.get()).Run())
+ return 0;
+ return M2.take();
}
+Module *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err,
+ LLVMContext &Context) {
+ OwningPtr<MemoryBuffer> File;
+ if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
+ Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
+ "Could not open input file: " + ec.message());
+ return 0;
+ }
-//===------------------------------------------------------------------------===
-// ParseException Class
-//===------------------------------------------------------------------------===
-
-
-ParseException::ParseException(const ToolCommandLine &opts,
- const string &message, int lineNo, int colNo)
- : Opts(opts), Message(message) {
- LineNo = lineNo; ColumnNo = colNo;
-}
-
-ParseException::ParseException(const ParseException &E)
- : Opts(E.Opts), Message(E.Message) {
- LineNo = E.LineNo;
- ColumnNo = E.ColumnNo;
+ return ParseAssembly(File.take(), 0, Err, Context);
}
-const string ParseException::getMessage() const { // Includes info from options
- string Result;
- char Buffer[10];
+Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
+ SMDiagnostic &Err, LLVMContext &Context) {
+ MemoryBuffer *F =
+ MemoryBuffer::getMemBuffer(StringRef(AsmString, strlen(AsmString)),
+ "<string>");
- if (Opts.getInputFilename() == "-")
- Result += "<stdin>";
- else
- Result += Opts.getInputFilename();
-
- if (LineNo != -1) {
- sprintf(Buffer, "%d", LineNo);
- Result += string(":") + Buffer;
- if (ColumnNo != -1) {
- sprintf(Buffer, "%d", ColumnNo);
- Result += string(",") + Buffer;
- }
- }
-
- return Result + ": " + Message;
+ return ParseAssembly(F, M, Err, Context);
}