Add sources and compilation guide

1 files changed, 121 insertions, 0 deletions

diff --git a/tools/scaninc/scaninc.cpp b/tools/scaninc/scaninc.cpp
new file mode 100644
index 0000000..b95cbd0
--- /dev/null
+++ b/tools/scaninc/scaninc.cpp
@@ -0,0 +1,121 @@
+// Copyright(c) 2015-2017 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <cstdio>
+#include <cstdlib>
+#include <list>
+#include <queue>
+#include <set>
+#include <string>
+#include "scaninc.h"
+#include "source_file.h"
+
+bool CanOpenFile(std::string path)
+{
+    FILE *fp = std::fopen(path.c_str(), "rb");
+
+    if (fp == NULL)
+        return false;
+
+    std::fclose(fp);
+    return true;
+}
+
+const char *const USAGE = "Usage: scaninc [-I INCLUDE_PATH] FILE_PATH\n";
+
+int main(int argc, char **argv)
+{
+    std::queue<std::string> filesToProcess;
+    std::set<std::string> dependencies;
+
+    std::vector<std::string> includeDirs;
+
+    argc--;
+    argv++;
+
+    while (argc > 1)
+    {
+        std::string arg(argv[0]);
+        if (arg.substr(0, 2) == "-I")
+        {
+            std::string includeDir = arg.substr(2);
+            if (includeDir.empty())
+            {
+                argc--;
+                argv++;
+                includeDir = std::string(argv[0]);
+            }
+            if (!includeDir.empty() && includeDir.back() != '/')
+            {
+                includeDir += '/';
+            }
+            includeDirs.push_back(includeDir);
+        }
+        else
+        {
+            FATAL_ERROR(USAGE);
+        }
+        argc--;
+        argv++;
+    }
+
+    if (argc != 1) {
+        FATAL_ERROR(USAGE);
+    }
+
+    std::string initialPath(argv[0]);
+
+    filesToProcess.push(initialPath);
+
+    while (!filesToProcess.empty())
+    {
+        std::string filePath = filesToProcess.front();
+        SourceFile file(filePath);
+        filesToProcess.pop();
+
+        includeDirs.push_back(file.GetSrcDir());
+        for (auto incbin : file.GetIncbins())
+        {
+            dependencies.insert(incbin);
+        }
+        for (auto include : file.GetIncludes())
+        {
+            for (auto includeDir : includeDirs)
+            {
+                std::string path(includeDir + include);
+                if (CanOpenFile(path))
+                {
+                    bool inserted = dependencies.insert(path).second;
+                    if (inserted)
+                    {
+                        filesToProcess.push(path);
+                    }
+                    break;
+                }
+            }
+        }
+        includeDirs.pop_back();
+    }
+
+    for (const std::string &path : dependencies)
+    {
+        std::printf("%s\n", path.c_str());
+    }
+}