static void Init()
{
if (mapExtensionToScanner == null)
{
mapExtensionToScanner = new Dictionary <string, NShaderScanner>();
// HLSL Scanner
hlslScanner = new NShaderScanner(new HLSLShaderTokenProvider());
// GLSL Scanner
glslScanner = new NShaderScanner(new GLSLShaderTokenProvider());
// CG Scanner
cgScanner = new NShaderScanner(new HLSLShaderTokenProvider());
foreach (var field in typeof(NShaderSupportedExtensions).GetFields())
{
if (field.Name.StartsWith("HLSL_"))
{
mapExtensionToScanner.Add(field.GetValue(null).ToString(), hlslScanner);
}
if (field.Name.StartsWith("GLSL_"))
{
mapExtensionToScanner.Add(field.GetValue(null).ToString(), glslScanner);
}
if (field.Name.StartsWith("CG_"))
{
mapExtensionToScanner.Add(field.GetValue(null).ToString(), cgScanner);
}
}
}
}
static void Init() {
if (mapExtensionToScanner == null)
{
mapExtensionToScanner = new Dictionary<string, NShaderScanner>();
mapTypeToScanner = new Dictionary<string, NShaderScanner>();
// HLSL Scanner
hlslScanner = new NShaderScanner(new HLSLShaderTokenProvider());
// GLSL Scanner
glslScanner = new NShaderScanner(new GLSLShaderTokenProvider());
// CG Scanner
cgScanner = new NShaderScanner(new HLSLShaderTokenProvider());
//Unity Scanner
unityScanner = new NShaderScanner(new UNITYShaderTokenProvider());
mapTypeToScanner.Add("hlsl", hlslScanner);
mapTypeToScanner.Add("glsl", glslScanner);
mapTypeToScanner.Add("cg", cgScanner);
mapTypeToScanner.Add("unity", unityScanner);
foreach (var field in typeof (NShaderSupportedExtensions).GetFields())
{
if (field.Name.StartsWith("HLSL_"))
mapExtensionToScanner.Add(field.GetValue(null).ToString(), hlslScanner);
if (field.Name.StartsWith("GLSL_"))
mapExtensionToScanner.Add(field.GetValue(null).ToString(), glslScanner);
if (field.Name.StartsWith("CG_"))
mapExtensionToScanner.Add(field.GetValue(null).ToString(), cgScanner);
if (field.Name.StartsWith("UNITY_"))
mapExtensionToScanner.Add(field.GetValue(null).ToString(), unityScanner);
}
}
}
static void Init() {
if (mapExtensionToScanner == null)
{
mapExtensionToScanner = new Dictionary<string, NShaderScanner>();
// Stride Scanner
strideShaderScanner = new NShaderScanner(new StrideShaderTokenProvider());
foreach (var field in typeof (NShaderSupportedExtensions).GetFields())
{
if (field.Name.StartsWith("Stride_"))
mapExtensionToScanner.Add(field.GetValue(null).ToString(), strideShaderScanner);
}
}
}
static void Init() {
if (mapExtensionToScanner == null)
{
mapExtensionToScanner = new Dictionary<string, NShaderScanner>();
// Paradox Scanner
paradoxShaderScanner = new NShaderScanner(new ParadoxShaderTokenProvider());
foreach (var field in typeof (NShaderSupportedExtensions).GetFields())
{
if (field.Name.StartsWith("Paradox_"))
mapExtensionToScanner.Add(field.GetValue(null).ToString(), paradoxShaderScanner);
}
}
}
public static List <EditSpan> ReformatCode(IVsTextLines pBuffer, TextSpan span, int tabSize)
{
string filePath = FilePathUtilities.GetFilePath(pBuffer);
// Return dynamic scanner based on file extension
List <EditSpan> changeList = new List <EditSpan>();
int nbLines;
pBuffer.GetLineCount(out nbLines);
string codeToFormat;
int lastLine;
int lastLineIndex;
pBuffer.GetLastLineIndex(out lastLine, out lastLineIndex);
pBuffer.GetLineText(0, 0, lastLine, lastLineIndex, out codeToFormat);
NShaderScanner shaderScanner = NShaderScannerFactory.GetShaderScanner(filePath);
Scanner lexer = shaderScanner.Lexer;
lexer.SetSource(codeToFormat, 0);
int spanStart;
int spanEnd;
pBuffer.GetPositionOfLineIndex(span.iStartLine, span.iStartIndex, out spanStart);
pBuffer.GetPositionOfLineIndex(span.iEndLine, span.iEndIndex, out spanEnd);
int state = 0;
int start, end;
ShaderToken token = (ShaderToken)lexer.GetNext(ref state, out start, out end);
List <int> brackets = new List <int>();
List <int> delimiters = new List <int>();
// !EOL and !EOF
int level = 0;
int startCopy = 0;
int levelParenthesis = 0;
while (token != ShaderToken.EOF)
{
switch (token)
{
case ShaderToken.LEFT_PARENTHESIS:
levelParenthesis++;
break;
case ShaderToken.RIGHT_PARENTHESIS:
levelParenthesis--;
if (levelParenthesis < 0)
{
levelParenthesis = 0;
}
break;
case ShaderToken.LEFT_BRACKET:
level++;
if (codeToFormat[start] == '{' && start >= spanStart && end <= spanEnd)
{
Match match = matchBraceStart.Match(codeToFormat, start);
StringBuilder codeFormatted = new StringBuilder();
codeFormatted.Append("{\r\n");
int levelToIndentNext = level;
if (match.Groups.Count == 2)
{
string matchStr = match.Groups[1].Value;
levelToIndentNext--;
}
for (int i = 0; i < levelToIndentNext; i++)
{
for (int j = 0; j < tabSize; j++)
{
codeFormatted.Append(' ');
}
}
if (match.Groups.Count == 2)
{
codeFormatted.Append("}\r\n");
}
TextSpan editTextSpan = new TextSpan();
pBuffer.GetLineIndexOfPosition(start,
out editTextSpan.iStartLine,
out editTextSpan.iStartIndex);
pBuffer.GetLineIndexOfPosition(startCopy + match.Index + match.Length,
out editTextSpan.iEndLine,
out editTextSpan.iEndIndex);
changeList.Add(new EditSpan(editTextSpan, codeFormatted.ToString()));
}
break;
case ShaderToken.RIGHT_BRACKET:
level--;
if (level < 0)
{
level = 0;
}
brackets.Add(start);
break;
case ShaderToken.DELIMITER:
if (codeToFormat[start] == ';' && start >= spanStart && end <= spanEnd && levelParenthesis == 0)
{
Match match = matchEndOfStatement.Match(codeToFormat, start);
StringBuilder codeFormatted = new StringBuilder();
codeFormatted.Append(";\r\n");
int levelToIndentNext = level;
bool isBracketFound = (match.Groups.Count == 2 && match.Groups[1].Value == "}");
if (isBracketFound)
{
string matchStr = match.Groups[1].Value;
levelToIndentNext--;
}
for (int i = 0; i < levelToIndentNext; i++)
{
for (int j = 0; j < tabSize; j++)
{
codeFormatted.Append(' ');
}
}
if (isBracketFound)
{
codeFormatted.Append("}\r\n");
}
TextSpan editTextSpan = new TextSpan();
pBuffer.GetLineIndexOfPosition(start,
out editTextSpan.iStartLine,
out editTextSpan.iStartIndex);
pBuffer.GetLineIndexOfPosition(startCopy + match.Index + match.Length,
out editTextSpan.iEndLine,
out editTextSpan.iEndIndex);
changeList.Add(new EditSpan(editTextSpan, codeFormatted.ToString()));
}
break;
}
token = (ShaderToken)lexer.GetNext(ref state, out start, out end);
}
return(changeList);
}
