-//===- 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 string &Filename) { // throw (ParseException)
- FILE *F = stdin;
-
- if (Filename != "-")
- F = fopen(Filename.c_str(), "r");
-
- if (F == 0) {
- throw ParseException(Filename, string("Could not open file '") +
- Filename + "'");
- }
-
- // TODO: If this throws an exception, F is not closed.
- Module *Result = RunVMAsmParser(Filename, 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(Filename, Message);
- }
- }
- return Result;
+//===----------------------------------------------------------------------===//
+//
+// This library implements the functionality defined in llvm/AsmParser/Parser.h
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/AsmParser/Parser.h"
+#include "LLParser.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;
+
+bool llvm::parseAssemblyInto(MemoryBufferRef F, Module &M, SMDiagnostic &Err) {
+ SourceMgr SM;
+ std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(F);
+ SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
+
+ return LLParser(F.getBuffer(), SM, Err, &M).Run();
}
+std::unique_ptr<Module> llvm::parseAssembly(MemoryBufferRef F,
+ SMDiagnostic &Err,
+ LLVMContext &Context) {
+ std::unique_ptr<Module> M =
+ make_unique<Module>(F.getBufferIdentifier(), Context);
-//===------------------------------------------------------------------------===
-// ParseException Class
-//===------------------------------------------------------------------------===
+ if (parseAssemblyInto(F, *M, Err))
+ return nullptr;
-
-ParseException::ParseException(const string &filename, const string &message,
- int lineNo, int colNo)
- : Filename(filename), Message(message) {
- LineNo = lineNo; ColumnNo = colNo;
+ return M;
}
-ParseException::ParseException(const ParseException &E)
- : Filename(E.Filename), Message(E.Message) {
- LineNo = E.LineNo;
- ColumnNo = E.ColumnNo;
-}
-
-const string ParseException::getMessage() const { // Includes info from options
- string Result;
- char Buffer[10];
+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;
+ }
- if (Filename == "-")
- Result += "<stdin>";
- else
- Result += Filename;
+ return parseAssembly(FileOrErr.get()->getMemBufferRef(), Err, Context);
+}
- if (LineNo != -1) {
- sprintf(Buffer, "%d", LineNo);
- Result += string(":") + Buffer;
- if (ColumnNo != -1) {
- sprintf(Buffer, "%d", ColumnNo);
- Result += string(",") + Buffer;
- }
- }
-
- return Result + ": " + Message;
+std::unique_ptr<Module> llvm::parseAssemblyString(StringRef AsmString,
+ SMDiagnostic &Err,
+ LLVMContext &Context) {
+ MemoryBufferRef F(AsmString, "<string>");
+ return parseAssembly(F, Err, Context);
}