CompacterDirectives ParseDirectives(Stack <String> debugFileStack, String code, CompacterDirectives parentDirectives)
{
CompacterDirectives directives = parentDirectives.Clone();
foreach (Match match in CompacterDirectiveRegex.Matches(code))
{
String directive = match.Groups[1].Value;
switch (directive)
{
case "cpp-only":
directives.CppOnly = true;
break;
default:
this.EmitWarning(debugFileStack, "Unknown 'compacter' directive '" + match.Groups[1].Value + "'");
break;
}
}
return(directives);
}
void ProcessCodeFile(Stack <String> debugFileStack, String codeFile, String code, CodeFileType type)
{
if (debugFileStack.Contains(codeFile))
{
var builder = new StringBuilder();
foreach (var file in debugFileStack)
{
builder.AppendLine(" " + file);
}
throw new Exception("Cycle of inclusion detected: \n" + builder.ToString());
}
debugFileStack.Push(codeFile);
if (debugFileStack.Count == 50)
{
throw new Exception("Possible cycle of inclusion! Recursion depth was too deep");
}
var directoryDirective = new CompacterDirectives();
var directoryPath = NormalizePath(Path.GetDirectoryName(codeFile));
if (this.DirectoryDirectives.ContainsKey(directoryPath))
{
directoryDirective = this.DirectoryDirectives[directoryPath];
}
var directives = this.ParseDirectives(debugFileStack, code, directoryDirective);
if (this.OutputDirectory != null)
{
var pathToOutput = Path.Combine(this.OutputDirectory, Path.GetFileName(codeFile));
//if (File.Exists(pathToOutput) == false)
//{
// File.WriteAllText(pathToOutput, code);
//}
//else if (File.ReadAllText(pathToOutput) != code)
//{
// String error = "The file '" + Path.GetFileName(pathToOutput) + "' has the same name as another file";
// error = error;
// //throw new Exception("The file '" + Path.GetFileName(pathToOutput) + "' has the same name as another file");
//}
}
// If this is meant to only be included in a cpp file, then just set the type to cpp
if (directives.CppOnly)
{
type = CodeFileType.CppFile;
// Remove all pragma once declarations
code = PragmaOnceRegex.Replace(code, String.Empty);
}
if (directives.PreprocessorCondition != null)
{
this.AppendCodeSeparateLine(type, "#if " + directives.PreprocessorCondition);
}
int line = 1;
// When we compile, we want to make sure we get errors in the correct places
this.AttemptEmitLineDirective(type, line, codeFile);
var fullName = codeFile;
var strIndex = 0;
// Scan for includes
var matches = IncludeRegex.Matches(code);
foreach (Match match in matches)
{
// Skip any includes that are commented out
// This does NOT catch multi-line comments!
if (SingleLineComment.IsMatch(match.Value))
{
continue;
}
// Cpps include both cpp and header files
int prevCodeLength = match.Index - strIndex;
this.AppendCode(type, code, strIndex, prevCodeLength);
line += this.CountLines(code, strIndex, prevCodeLength);
strIndex = match.Index + match.Length;
var includeFile = match.Groups[1].Value;
var fullPathToIncludeFile = this.ScanForInclude(includeFile, Path.GetDirectoryName(codeFile), debugFileStack);
if (fullPathToIncludeFile != null)
{
if (this.ProcessedOnceIncludeFiles.Contains(fullPathToIncludeFile) == false)
{
var includeStatus = this.ProcessIncludeCodeFile(debugFileStack, fullPathToIncludeFile, type);
// We only ever add the include to the 'all includes' if it contains a pragma-once
// Otherwise, we may want to reprocess that include
if (includeStatus == IncludeStatus.PragmaOnce)
{
this.ProcessedOnceIncludeFiles.Add(fullPathToIncludeFile);
}
// Since we just entered another file (and probably emitted) and now we're back in our own file, emit a line directive again)
this.AttemptEmitLineDirective(type, line, codeFile);
}
}
else
{
var afterInclude = match.Groups[2].Value;
if (afterInclude.Contains("@ignore") == false)
{
this.EmitWarning(debugFileStack, "Unable to find '" + includeFile + "'");
}
this.AppendCode(type, match.Value, 0, match.Value.Length);
}
}
this.AppendCode(type, code, strIndex, code.Length - strIndex);
if (directives.PreprocessorCondition != null)
{
this.AppendCode(type, Environment.NewLine + "#endif" + Environment.NewLine);
}
debugFileStack.Pop();
}