87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
//===--- llvmcc.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open
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// Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This tool provides a single point of access to the LLVM
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// compilation tools. It has many options. To discover the options
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// supported please refer to the tools' manual page or run the tool
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// with the --help option.
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//
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//===----------------------------------------------------------------------===//
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#include "CompilationGraph.h"
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#include "Tool.h"
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#include "llvm/System/Path.h"
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#include "llvm/Support/CommandLine.h"
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#include <iostream>
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#include <stdexcept>
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#include <string>
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namespace cl = llvm::cl;
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namespace sys = llvm::sys;
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using namespace llvmcc;
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// Built-in command-line options.
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// External linkage here is intentional.
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cl::list<std::string> InputFilenames(cl::Positional, cl::desc("<input file>"),
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cl::OneOrMore);
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cl::opt<std::string> OutputFilename("o", cl::desc("Output file name"),
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cl::value_desc("file"));
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cl::opt<bool> VerboseMode("v",
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cl::desc("Enable verbose mode"));
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cl::opt<bool> WriteGraph("write-graph",
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cl::desc("Write CompilationGraph.dot file"),
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cl::Hidden);
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cl::opt<bool> ViewGraph("view-graph",
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cl::desc("Show compilation graph in GhostView"),
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cl::Hidden);
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namespace {
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int BuildTargets(const CompilationGraph& graph) {
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int ret;
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sys::Path tempDir(sys::Path::GetTemporaryDirectory());
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try {
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ret = graph.Build(tempDir);
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}
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catch(...) {
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tempDir.eraseFromDisk(true);
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throw;
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}
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tempDir.eraseFromDisk(true);
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return ret;
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}
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}
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int main(int argc, char** argv) {
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try {
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CompilationGraph graph;
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cl::ParseCommandLineOptions(argc, argv,
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"LLVM Compiler Driver(Work In Progress)");
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PopulateCompilationGraph(graph);
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if(WriteGraph)
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graph.writeGraph();
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if(ViewGraph)
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graph.viewGraph();
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return BuildTargets(graph);
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}
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catch(const std::exception& ex) {
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std::cerr << ex.what() << '\n';
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}
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catch(...) {
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std::cerr << "Unknown error!\n";
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}
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}
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