// テストベンチから読み書きされるファイルをリストに追加する
VHDLDataFile AddDataFile(int SourceIndex, string OriginalName, bool isInput, string EntityName)
{
string inOut = (isInput) ? "in" : "out";
int fileIndex = (isInput) ? inFiles.Count : outFiles.Count;
VHDLDataFile file = new VHDLDataFile
{
Original = Path.Combine(Path.GetDirectoryName(FileName.Original), OriginalName),
Internal = $"src{SourceIndex}_{inOut}{fileIndex}",
InEntity = EntityName
};
if (isInput)
{
inFiles.Add(file);
}
else
{
outFiles.Add(file);
}
return(file);
}
// コンストラクタ: ソースファイルの解析を行う
public VHDLSource(string SourceName, int SourceIndex = 0)
{
entities = new List <string>();
components = new List <Component>();
inFiles = new List <VHDLDataFile>();
outFiles = new List <VHDLDataFile>();
content = "";
FileName = new VHDLDataFile
{
Original = SourceName,
Internal = $"src{SourceIndex}.vhd"
};
try
{
StreamReader sr = new StreamReader(SourceName, Encoding.GetEncoding("ISO-8859-1"));
Match match;
string line;
string currentEntity = "";
while ((line = sr.ReadLine()) != null)
{
if (line.IndexOf("--") != -1)
{
line = line.Substring(0, line.IndexOf("--"));
}
match = Regex.Match(line, @"entity\s+([a-z0-9_]+)\s+is", RegexOptions.IgnoreCase);
if (match.Success)
{
entities.Add(match.Groups[1].Value.ToLower());
}
match = Regex.Match(line, @"architecture\s+[a-z0-9_]+\s+of\s+([a-z0-9_]+)\s+is", RegexOptions.IgnoreCase);
if (match.Success)
{
currentEntity = match.Groups[1].Value.ToLower();
}
match = Regex.Match(line, @"component\s+([a-z0-9_]+)\s+is", RegexOptions.IgnoreCase);
if (match.Success)
{
Component newComponent = new Component();
newComponent.Name = match.Groups[1].Value.ToLower();
newComponent.From = currentEntity;
if (!components.Contains(newComponent))
{
components.Add(newComponent);
}
}
// 12 3 4 5
line = Regex.Replace(line, @"^((\s*file\s[a-z0-9_:\s]+)\s+is\s+(in|out|)\s*"")(.+)(""\s*;)", m =>
{
bool isInput = m.Groups[2].Value.ToLower().EndsWith("read_mode") || m.Groups[3].Value.ToLower() == "in";
string inOut = (isInput) ? "in" : "out";
VHDLDataFile file = AddDataFile(SourceIndex, m.Groups[4].Value, isInput, currentEntity);
return(m.Groups[1].Value + file.Internal + m.Groups[5].Value);
}, RegexOptions.IgnoreCase);
// 1 2 3 4
line = Regex.Replace(line, @"^(\s*file_open\s*\(\s*[a-z0-9_]+\s*,\s*"")(.+)(""\s*,\s*(read_mode|write_mode)\s*\)\s*;)", m =>
{
bool isInput = m.Groups[4].Value.ToLower() == "read_mode";
string inOut = (isInput) ? "in" : "out";
VHDLDataFile file = AddDataFile(SourceIndex, m.Groups[2].Value, isInput, currentEntity);
return(m.Groups[1].Value + file.Internal + m.Groups[3].Value);
}, RegexOptions.IgnoreCase);
content += line + "\n";
}
sr.Close();
isValid = true;
}
catch (IOException)
{
content = $"ソースファイル {SourceName} の読み込みに失敗しました．";
isValid = false;
}
catch (Exception e)
{
content = "VHDLソース読み込み中の予期せぬエラー．\n内容: " + e.ToString();
isValid = false;
}
}