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https://github.com/c64scene-ar/llvm-6502.git
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d0fde30ce8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
//===- Parser.cpp - Main dispatch module for the Parser library -------------===
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This library implements the functionality defined in llvm/assembly/parser.h
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//
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//===------------------------------------------------------------------------===
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#include "ParserInternals.h"
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#include "llvm/Module.h"
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#include "llvm/Analysis/Verifier.h"
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namespace llvm {
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// The useful interface defined by this file... Parse an ASCII file, and return
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// the internal representation in a nice slice'n'dice'able representation.
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//
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Module *ParseAssemblyFile(const std::string &Filename) {
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FILE *F = stdin;
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if (Filename != "-") {
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F = fopen(Filename.c_str(), "r");
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if (F == 0)
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throw ParseException(Filename, "Could not open file '" + Filename + "'");
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}
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Module *Result;
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try {
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Result = RunVMAsmParser(Filename, F);
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} catch (...) {
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if (F != stdin) fclose(F); // Make sure to close file descriptor if an
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throw; // exception is thrown
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}
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if (F != stdin)
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fclose(F);
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return Result;
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}
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//===------------------------------------------------------------------------===
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// ParseException Class
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//===------------------------------------------------------------------------===
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ParseException::ParseException(const std::string &filename,
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const std::string &message,
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int lineNo, int colNo)
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: Filename(filename), Message(message) {
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LineNo = lineNo; ColumnNo = colNo;
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}
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ParseException::ParseException(const ParseException &E)
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: Filename(E.Filename), Message(E.Message) {
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LineNo = E.LineNo;
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ColumnNo = E.ColumnNo;
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}
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// Includes info from options
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const std::string ParseException::getMessage() const {
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std::string Result;
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char Buffer[10];
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if (Filename == "-")
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Result += "<stdin>";
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else
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Result += Filename;
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if (LineNo != -1) {
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sprintf(Buffer, "%d", LineNo);
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Result += std::string(":") + Buffer;
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if (ColumnNo != -1) {
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sprintf(Buffer, "%d", ColumnNo);
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Result += std::string(",") + Buffer;
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}
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}
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return Result + ": " + Message;
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}
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} // End llvm namespace
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