129 lines
3.6 KiB
C++
129 lines
3.6 KiB
C++
// Copyright(c) 2015-2017 YamaArashi
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include <cstdio>
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#include <cstdlib>
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#include <list>
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#include <queue>
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#include <set>
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#include <string>
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#include "scaninc.h"
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#include "source_file.h"
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bool CanOpenFile(std::string path)
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{
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FILE *fp = std::fopen(path.c_str(), "rb");
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if (fp == NULL)
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return false;
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std::fclose(fp);
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return true;
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}
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const char *const USAGE = "Usage: scaninc [-I INCLUDE_PATH] FILE_PATH\n";
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int main(int argc, char **argv)
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{
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std::queue<std::string> filesToProcess;
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std::set<std::string> dependencies;
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std::vector<std::string> includeDirs;
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argc--;
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argv++;
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while (argc > 1)
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{
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std::string arg(argv[0]);
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if (arg.substr(0, 2) == "-I")
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{
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std::string includeDir = arg.substr(2);
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if (includeDir.empty())
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{
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argc--;
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argv++;
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includeDir = std::string(argv[0]);
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}
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if (!includeDir.empty() && includeDir.back() != '/')
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{
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includeDir += '/';
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}
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includeDirs.push_back(includeDir);
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}
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else
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{
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FATAL_ERROR(USAGE);
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}
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argc--;
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argv++;
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}
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if (argc != 1) {
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FATAL_ERROR(USAGE);
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}
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std::string initialPath(argv[0]);
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filesToProcess.push(initialPath);
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while (!filesToProcess.empty())
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{
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std::string filePath = filesToProcess.front();
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SourceFile file(filePath);
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filesToProcess.pop();
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includeDirs.push_back(file.GetSrcDir());
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for (auto incbin : file.GetIncbins())
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{
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dependencies.insert(incbin);
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}
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for (auto include : file.GetIncludes())
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{
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bool exists = false;
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std::string path("");
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for (auto includeDir : includeDirs)
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{
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path = includeDir + include;
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if (CanOpenFile(path))
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{
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exists = true;
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break;
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}
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}
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if (!exists && (file.FileType() == SourceFileType::Asm || file.FileType() == SourceFileType::Inc))
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{
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path = include;
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}
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bool inserted = dependencies.insert(path).second;
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if (inserted && exists)
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{
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filesToProcess.push(path);
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}
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}
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includeDirs.pop_back();
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}
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for (const std::string &path : dependencies)
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{
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std::printf("%s\n", path.c_str());
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}
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}
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