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//===-- llvm-abcd.cpp - Analysis of Byte Code Dumper ----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Reid Spencerearch and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tool may be invoked in the following manner:
// llvm-abcd [options] - Read LLVM bytecode from stdin
// llvm-abcd [options] x.bc - Read LLVM bytecode from the x.bc file
//
// Options:
// --help - Output information about command line switches
// --details - Provide detailed analysis of individual functions
// --dump - Dump bytecode in readable format
//
// This tool provides analytical information about a bytecode file. It is
// intended as an aid to developers of bytecode reading and writing software. It
// produces on std::out a summary of the bytecode file that shows various
// statistics about the contents of the file. If the -details option is given
// then the output includes detailed information about each function in the
// bytecode file. The tool is also able to print a bytecode file in a straight
// forward text format // that shows the containment and relationships of the
// information in the bytecode file (-dump option).
//===----------------------------------------------------------------------===//
#include "llvm/Bytecode/Analyzer.h"
#include "Support/CommandLine.h"
#include "llvm/System/Signals.h"
#include <fstream>
#include <iostream>
using namespace llvm;
static cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-"));
static cl::opt<bool> Detailed ("details", cl::desc("Detailed output"));
static cl::opt<bool> Dump ("dump", cl::desc("Detailed output"));
int
main(int argc, char **argv)
{
cl::ParseCommandLineOptions(argc, argv,
" llvm-abcd Analysis of ByteCode Dumper\n");
PrintStackTraceOnErrorSignal();
std::ostream* Out = &std::cout; // Default to printing to stdout...
std::istream* In = &std::cin; // Default to reading stdin
std::string ErrorMessage;
BytecodeAnalysis bca;
/// Determine what to generate
bca.dumpBytecode = Dump;
bca.detailedResults = Detailed;
/// Analyze the bytecode file
AnalyzeBytecodeFile(InputFilename, bca, &ErrorMessage);
// If there was an error, print it and stop.
if ( ErrorMessage.size() ) {
std::cerr << argv[0] << ": " << ErrorMessage << "\n";
return 1;
}
// All that abcd does is write the gathered statistics to the output
PrintBytecodeAnalysis(bca,*Out);
if (Out != &std::cout) {
((std::ofstream*)Out)->close();
delete Out;
}
return 0;
}
// vim: sw=2
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