-//===- 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/AsmParser/Parser.h
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/AsmParser/Parser.h"
+#include "LLParser.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(std::unique_ptr<MemoryBuffer> F, Module &M,
+ SMDiagnostic &Err) {
+ SourceMgr SM;
+ StringRef Buf = F->getBuffer();
+ SM.AddNewSourceBuffer(F.release(), SMLoc());
+
+ return LLParser(Buf, SM, Err, &M).Run();
}
+std::unique_ptr<Module> llvm::parseAssembly(std::unique_ptr<MemoryBuffer> F,
+ SMDiagnostic &Err,
+ LLVMContext &Context) {
+ std::unique_ptr<Module> M =
+ make_unique<Module>(F->getBufferIdentifier(), Context);
-//===------------------------------------------------------------------------===
-// ParseException Class
-//===------------------------------------------------------------------------===
-
+ if (parseAssemblyInto(std::move(F), *M, Err))
+ return nullptr;
-ParseException::ParseException(const ToolCommandLine &opts,
- const string &message, int lineNo, int colNo)
- : Opts(opts), Message(message) {
- LineNo = lineNo; ColumnNo = colNo;
+ return std::move(M);
}
-ParseException::ParseException(const ParseException &E)
- : Opts(E.Opts), Message(E.Message) {
- LineNo = E.LineNo;
- ColumnNo = E.ColumnNo;
-}
+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;
+ }
-const string ParseException::getMessage() const { // Includes info from options
- string Result;
- char Buffer[10];
+ return parseAssembly(std::move(FileOrErr.get()), Err, Context);
+}
- if (Opts.getInputFilename() == "-")
- Result += "<stdin>";
- else
- Result += Opts.getInputFilename();
+std::unique_ptr<Module> llvm::parseAssemblyString(StringRef AsmString,
+ SMDiagnostic &Err,
+ LLVMContext &Context) {
+ std::unique_ptr<MemoryBuffer> F(
+ MemoryBuffer::getMemBuffer(AsmString, "<string>"));
- 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(std::move(F), Err, Context);
}