//===- Parser.cpp - Main dispatch module for the Parser library -------------===
//
+// The LLVM Compiler Infrastructure
+//
+// 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
//
//===------------------------------------------------------------------------===
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Module.h"
#include "ParserInternals.h"
-#include <stdio.h> // for sprintf
-using std::string;
+#include "llvm/Module.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include <cstring>
+using namespace llvm;
-// 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 string &Filename) { // throw (ParseException)
- FILE *F = stdin;
- if (Filename != "-")
- F = fopen(Filename.c_str(), "r");
+ParseError* TheParseError = 0; /// FIXME: Not threading friendly
+Module *llvm::ParseAssemblyFile(const std::string &Filename, ParseError* Err) {
+ std::string ErrorStr;
+ MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
if (F == 0) {
- throw ParseException(Filename, string("Could not open file '") +
- Filename + "'");
+ if (Err)
+ Err->setError(Filename, "Could not open input file '" + Filename + "'");
+ return 0;
}
+
+ TheParseError = Err;
+ Module *Result = RunVMAsmParser(F);
+ delete F;
+ return Result;
+}
- // 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...
- if (verifyModule(Result)) {
- delete Result;
- throw ParseException(Filename, "Source file is not well formed LLVM!");
- }
- }
+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 string &filename, const 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;
}
-const string ParseException::getMessage() const { // Includes info from options
- string Result;
+// Includes info from options
+const std::string ParseError::getMessage() const {
+ std::string Result;
char Buffer[10];
- if (Filename == "-")
+ if (Filename == "-")
Result += "<stdin>";
else
Result += Filename;
if (LineNo != -1) {
sprintf(Buffer, "%d", LineNo);
- Result += string(":") + Buffer;
+ Result += std::string(":") + Buffer;
if (ColumnNo != -1) {
sprintf(Buffer, "%d", ColumnNo);
- Result += string(",") + Buffer;
+ Result += std::string(",") + Buffer;
}
}
-
+
return Result + ": " + Message;
}