mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 07:11:49 +00:00
ac67b7ea8f
on ideas mentioned in PR686. Written by Mikhail Glushenkov and contributed by Codedgers, Inc. Old llvmc will be removed soon after new one will have all its properties. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48699 91177308-0d34-0410-b5e6-96231b3b80d8
116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
//===--- Core.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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// Core driver abstractions.
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//
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//===----------------------------------------------------------------------===//
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#include "Core.h"
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#include "Utility.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Support/CommandLine.h"
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#include <algorithm>
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#include <iostream>
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#include <stdexcept>
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using namespace llvm;
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using namespace llvmcc;
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extern cl::list<std::string> InputFilenames;
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extern cl::opt<std::string> OutputFilename;
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extern cl::opt<bool> VerboseMode;
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namespace {
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void print_string (const std::string& str) {
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std::cerr << str << ' ';
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}
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}
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int llvmcc::Action::Execute() {
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if (VerboseMode) {
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std::cerr << Command_ << " ";
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std::for_each(Args_.begin(), Args_.end(), print_string);
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std::cerr << '\n';
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}
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return ExecuteProgram(Command_, Args_);
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}
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int llvmcc::CompilationGraph::Build (const sys::Path& tempDir) const {
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sys::Path In(InputFilenames.at(0)), Out;
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// Find out which language corresponds to the suffix of the first input file
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LanguageMap::const_iterator Lang = ExtsToLangs.find(In.getSuffix());
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if (Lang == ExtsToLangs.end())
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throw std::runtime_error("Unknown suffix!");
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// Find the toolchain corresponding to this language
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ToolChainMap::const_iterator ToolsIt = ToolChains.find(Lang->second);
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if (ToolsIt == ToolChains.end())
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throw std::runtime_error("Unknown language!");
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ToolChain Tools = ToolsIt->second;
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PathVector JoinList;
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for (cl::list<std::string>::const_iterator B = InputFilenames.begin(),
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E = InputFilenames.end(); B != E; ++B) {
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In = sys::Path(*B);
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// Pass input file through the toolchain
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for (ToolChain::const_iterator B = Tools.begin(), E = Tools.end();
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B != E; ++B) {
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const Tool* CurTool = B->getPtr();
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// Is this the last step in the chain?
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if (llvm::next(B) == E || CurTool->IsLast()) {
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JoinList.push_back(In);
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break;
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}
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else {
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Out = tempDir;
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Out.appendComponent(In.getBasename());
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Out.appendSuffix(CurTool->OutputSuffix());
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Out.makeUnique(true, NULL);
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Out.eraseFromDisk();
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}
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if (CurTool->GenerateAction(In, Out).Execute() != 0)
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throw std::runtime_error("Tool returned error code!");
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In = Out; Out.clear();
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}
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}
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// Pass .o files to linker
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const Tool* JoinNode = (--Tools.end())->getPtr();
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// If the final output name is empty, set it to "a.out"
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if (!OutputFilename.empty()) {
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Out = sys::Path(OutputFilename);
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}
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else {
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Out = sys::Path("a");
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Out.appendSuffix(JoinNode->OutputSuffix());
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}
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if (JoinNode->GenerateAction(JoinList, Out).Execute() != 0)
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throw std::runtime_error("Tool returned error code!");
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return 0;
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}
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void llvmcc::Tool::UnpackValues (const std::string& from,
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std::vector<std::string>& to) const {
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SplitString(from, to, ",");
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}
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