import from github

tools/scaninc/source_file.cpp

@@ -0,0 +1,130 @@
+// Copyright(c) 2019 Phlosioneer
+//
+// 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 <new>
+#include "source_file.h"
+
+
+SourceFileType GetFileType(std::string& path)
+{
+    std::size_t pos = path.find_last_of('.');
+
+    if (pos == std::string::npos)
+        FATAL_ERROR("no file extension in path \"%s\"\n", path.c_str());
+
+    std::string extension = path.substr(pos + 1);
+
+    if (extension == "c")
+        return SourceFileType::Cpp;
+    else if (extension == "s")
+        return SourceFileType::Asm;
+    else if (extension == "h")
+        return SourceFileType::Header;
+    else if (extension == "inc")
+        return SourceFileType::Inc;
+    else
+        FATAL_ERROR("Unrecognized extension \"%s\"\n", extension.c_str());
+    
+    // Unreachable
+    return SourceFileType::Cpp;
+}
+
+std::string GetDir(std::string& path)
+{
+    std::size_t slash = path.rfind('/');
+
+    if (slash != std::string::npos)
+        return path.substr(0, slash + 1);
+    else
+        return std::string("");
+}
+
+SourceFile::SourceFile(std::string path)
+{
+    m_file_type = GetFileType(path);
+
+    m_src_dir = GetDir(path);
+
+    if (m_file_type == SourceFileType::Cpp
+            || m_file_type == SourceFileType::Header)
+    {
+        new (&m_source_file.c_file) CFile(path);
+        m_source_file.c_file.FindIncbins();
+    }
+    else
+    {
+        AsmFile file(path);
+        std::set<std::string> incbins;
+        std::set<std::string> includes;
+
+        IncDirectiveType incDirectiveType;
+        std::string outputPath;
+
+        while ((incDirectiveType = file.ReadUntilIncDirective(outputPath)) != IncDirectiveType::None)
+        {
+            if (incDirectiveType == IncDirectiveType::Include)
+                includes.insert(outputPath);
+            else
+                incbins.insert(outputPath);
+        }
+        
+        new (&m_source_file.asm_wrapper) SourceFile::InnerUnion::AsmWrapper{incbins, includes};
+    }
+}
+
+SourceFileType SourceFile::FileType()
+{
+    return m_file_type;
+}
+
+SourceFile::~SourceFile()
+{
+    if (m_file_type == SourceFileType::Cpp || m_file_type == SourceFileType::Header)
+    {
+        m_source_file.c_file.~CFile();
+    }
+    else
+    {
+        m_source_file.asm_wrapper.asm_incbins.~set();
+        m_source_file.asm_wrapper.asm_includes.~set();
+    }
+}
+
+const std::set<std::string>& SourceFile::GetIncbins()
+{
+    if (m_file_type == SourceFileType::Cpp || m_file_type == SourceFileType::Header)
+        return m_source_file.c_file.GetIncbins();
+    else
+        return m_source_file.asm_wrapper.asm_incbins;
+}
+
+const std::set<std::string>& SourceFile::GetIncludes()
+{
+    if (m_file_type == SourceFileType::Cpp || m_file_type == SourceFileType::Header)
+        return m_source_file.c_file.GetIncludes();
+    else
+        return m_source_file.asm_wrapper.asm_includes;
+}
+
+std::string& SourceFile::GetSrcDir()
+{
+    return m_src_dir;
+}
+