/// <summary>
/// Parses the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="fileName">Name of the file.</param>
/// <returns>Result of parsing</returns>
private EffectParserResult PrepareParsing(string input, string fileName)
{
var filePath = Path.GetFullPath(fileName);
fileName = Path.GetFileName(fileName);
var localResult = new EffectParserResult
{
SourceFileName = Path.Combine(Environment.CurrentDirectory, filePath),
IncludeHandler = new FileIncludeHandler {
Logger = Logger
}
};
localResult.IncludeHandler.CurrentDirectory.Push(Path.GetDirectoryName(localResult.SourceFileName));
localResult.IncludeHandler.IncludeDirectories.AddRange(IncludeDirectoryList);
localResult.IncludeHandler.IncludeFileCallback = IncludeFileCallback;
localResult.IncludeHandler.FileResolved.Add(fileName, new FileIncludeHandler.FileItem(fileName, filePath, File.GetLastWriteTime(filePath)));
string compilationErrors = null;
var preprocessedInput = ShaderBytecode.Preprocess(input, Macros.ToArray(), localResult.IncludeHandler, out compilationErrors, filePath);
localResult.PreprocessedSource = preprocessedInput;
localResult.DependencyList = CalculateDependencies(localResult);
return(localResult);
}
/// <summary>
/// Continues the parsing.
/// </summary>
/// <param name="previousParsing">The previous parsing.</param>
/// <returns>EffectParserResult.</returns>
private EffectParserResult ContinueParsing(EffectParserResult previousParsing)
{
// Reset count
parentCount = 0;
curlyBraceCount = 0;
bracketCount = 0;
result = previousParsing;
newPreprocessedSource = result.PreprocessedSource;
tokenEnumerator = Tokenizer.Run(previousParsing.PreprocessedSource).GetEnumerator();
do
{
var token = NextToken();
if (token.Type == TokenType.EndOfFile)
{
break;
}
switch (token.Type)
{
case TokenType.Identifier:
if ((token.EqualString("technique") || token.EqualString("technique10") || token.EqualString("technique11")) && curlyBraceCount == 0)
{
ParseTechnique();
}
break;
}
} while (true);
if (!CheckAllBracketsClosed())
{
if (parentCount != 0)
{
Logger.Error("Error matching closing parentheses for '('", lastParentToken.Span);
}
if (bracketCount != 0)
{
Logger.Error("Error matching closing bracket for '['", lastBracketToken.Span);
}
if (curlyBraceCount != 0)
{
Logger.Error("Error matching closing curly brace for '{'", lastCurlyBraceToken.Span);
}
}
result.PreprocessedSource = newPreprocessedSource;
return(result);
}
private FileDependencyList CalculateDependencies(EffectParserResult parserResult)
{
var keys = new List <string>(parserResult.IncludeHandler.FileResolved.Keys);
keys.Sort(StringComparer.InvariantCultureIgnoreCase);
var dependency = new FileDependencyList();
dependency.AddDefaultDependencies();
foreach (var fileKey in keys)
{
var fileItem = parserResult.IncludeHandler.FileResolved[fileKey];
dependency.AddDependencyPath(fileItem.FilePath);
}
return(dependency);
}
private FileDependencyList CalculateDependencies(EffectParserResult parserResult)
{
var keys = new List<string>(parserResult.IncludeHandler.FileResolved.Keys);
keys.Sort(StringComparer.InvariantCultureIgnoreCase);
var dependency = new FileDependencyList();
dependency.AddDefaultDependencies();
foreach (var fileKey in keys)
{
var fileItem = parserResult.IncludeHandler.FileResolved[fileKey];
dependency.AddDependencyPath(fileItem.FilePath);
}
return dependency;
}
/// <summary>
/// Continues the parsing.
/// </summary>
/// <param name="previousParsing">The previous parsing.</param>
/// <returns>EffectParserResult.</returns>
private EffectParserResult ContinueParsing(EffectParserResult previousParsing)
{
// Reset count
parentCount = 0;
curlyBraceCount = 0;
bracketCount = 0;
result = previousParsing;
newPreprocessedSource = result.PreprocessedSource;
tokenEnumerator = Tokenizer.Run(previousParsing.PreprocessedSource).GetEnumerator();
do
{
var token = NextToken();
if (token.Type == TokenType.EndOfFile)
break;
switch (token.Type)
{
case TokenType.Identifier:
if ((token.EqualString("technique") || token.EqualString("technique10") || token.EqualString("technique11")) && curlyBraceCount == 0)
ParseTechnique();
break;
}
} while (true);
if (!CheckAllBracketsClosed())
{
if (parentCount != 0)
{
Logger.Error("Error matching closing parentheses for '('", lastParentToken.Span);
}
if (bracketCount != 0)
{
Logger.Error("Error matching closing bracket for '['", lastBracketToken.Span);
}
if (curlyBraceCount != 0)
{
Logger.Error("Error matching closing curly brace for '{'", lastCurlyBraceToken.Span);
}
}
result.PreprocessedSource = newPreprocessedSource;
return result;
}
/// <summary>
/// Parses the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="fileName">Name of the file.</param>
/// <returns>Result of parsing</returns>
private EffectParserResult PrepareParsing(string input, string fileName)
{
var filePath = Path.GetFullPath(fileName);
fileName = Path.GetFileName(fileName);
var localResult = new EffectParserResult
{
SourceFileName = Path.Combine(Environment.CurrentDirectory, filePath),
IncludeHandler = new FileIncludeHandler { Logger = Logger }
};
localResult.IncludeHandler.CurrentDirectory.Push(Path.GetDirectoryName(localResult.SourceFileName));
localResult.IncludeHandler.IncludeDirectories.AddRange(IncludeDirectoryList);
localResult.IncludeHandler.IncludeFileCallback = IncludeFileCallback;
localResult.IncludeHandler.FileResolved.Add(fileName, new FileIncludeHandler.FileItem(fileName, filePath, File.GetLastWriteTime(filePath)));
string compilationErrors = null;
var preprocessedInput = ShaderBytecode.Preprocess(input, Macros.ToArray(), localResult.IncludeHandler, out compilationErrors, filePath);
localResult.PreprocessedSource = preprocessedInput;
localResult.DependencyList = CalculateDependencies(localResult);
return localResult;
}
private int CalculateHashcode(EffectParserResult parserResult)
{
var keys = new List<string>(parserResult.IncludeHandler.FileResolved.Keys);
keys.Sort(StringComparer.InvariantCultureIgnoreCase);
// Compute a HashCode using FNVModified
// based on filename and file write time
const uint p = 16777619;
uint hash = 2166136261;
foreach (var fileKey in keys)
{
var fileItem = parserResult.IncludeHandler.FileResolved[fileKey];
var modifiedTime = fileItem.ModifiedTime;
var fileName = fileKey.ToLower();
hash = (hash ^ (uint)fileName.GetHashCode()) * p;
hash = (hash ^ (uint)modifiedTime.GetHashCode()) * p;
}
hash += hash << 13;
hash ^= hash >> 7;
hash += hash << 3;
hash ^= hash >> 17;
hash += hash << 5;
return unchecked((int)hash);
}
