Files
LuaCsForBarotraumaEP/Libraries/MonoGame.Framework/Src/Tools/2MGFX/TPGParser/Scanner.cs
2019-06-25 16:00:44 +03:00

987 lines
37 KiB
C#

// Generated by TinyPG v1.3 available at www.codeproject.com
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Xml.Serialization;
namespace TwoMGFX.TPGParser
{
#region Scanner
public partial class Scanner
{
public string Input;
public int StartPos = 0;
public int EndPos = 0;
public string CurrentFile;
public int CurrentLine;
public int CurrentColumn;
public int CurrentPosition;
public List<Token> Skipped; // tokens that were skipped
public Dictionary<TokenType, Regex> Patterns;
private Token LookAheadToken;
private List<TokenType> Tokens;
private List<TokenType> SkipList; // tokens to be skipped
private readonly TokenType FileAndLine;
public Scanner()
{
Regex regex;
Patterns = new Dictionary<TokenType, Regex>();
Tokens = new List<TokenType>();
LookAheadToken = null;
Skipped = new List<Token>();
SkipList = new List<TokenType>();
SkipList.Add(TokenType.BlockComment);
SkipList.Add(TokenType.Comment);
SkipList.Add(TokenType.Whitespace);
SkipList.Add(TokenType.LinePragma);
FileAndLine = TokenType.LinePragma;
regex = new Regex(@"/\*([^*]|\*[^/])*\*/", RegexOptions.Compiled);
Patterns.Add(TokenType.BlockComment, regex);
Tokens.Add(TokenType.BlockComment);
regex = new Regex(@"//[^\n\r]*", RegexOptions.Compiled);
Patterns.Add(TokenType.Comment, regex);
Tokens.Add(TokenType.Comment);
regex = new Regex(@"[ \t\n\r]+", RegexOptions.Compiled);
Patterns.Add(TokenType.Whitespace, regex);
Tokens.Add(TokenType.Whitespace);
regex = new Regex(@"^[ \t]*#line[ \t]*(?<Line>\d*)[ \t]*(\""(?<File>[^\""\\]*(?:\\.[^\""\\]*)*)\"")?\n", RegexOptions.Compiled);
Patterns.Add(TokenType.LinePragma, regex);
Tokens.Add(TokenType.LinePragma);
regex = new Regex(@"pass", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Pass, regex);
Tokens.Add(TokenType.Pass);
regex = new Regex(@"technique", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Technique, regex);
Tokens.Add(TokenType.Technique);
regex = new Regex(@"sampler1D|sampler2D|sampler3D|samplerCUBE|SamplerState|sampler", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Sampler, regex);
Tokens.Add(TokenType.Sampler);
regex = new Regex(@"sampler_state", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.SamplerState, regex);
Tokens.Add(TokenType.SamplerState);
regex = new Regex(@"VertexShader", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.VertexShader, regex);
Tokens.Add(TokenType.VertexShader);
regex = new Regex(@"PixelShader", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.PixelShader, regex);
Tokens.Add(TokenType.PixelShader);
regex = new Regex(@"register", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Register, regex);
Tokens.Add(TokenType.Register);
regex = new Regex(@"true|false|0|1", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Boolean, regex);
Tokens.Add(TokenType.Boolean);
regex = new Regex(@"[+-]? ?[0-9]?\.?[0-9]+[fF]?", RegexOptions.Compiled);
Patterns.Add(TokenType.Number, regex);
Tokens.Add(TokenType.Number);
regex = new Regex(@"0x[0-9a-f]{6}([0-9a-f][0-9a-f])?", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.HexColor, regex);
Tokens.Add(TokenType.HexColor);
regex = new Regex(@"[A-Za-z_][A-Za-z0-9_]*", RegexOptions.Compiled);
Patterns.Add(TokenType.Identifier, regex);
Tokens.Add(TokenType.Identifier);
regex = new Regex(@"{", RegexOptions.Compiled);
Patterns.Add(TokenType.OpenBracket, regex);
Tokens.Add(TokenType.OpenBracket);
regex = new Regex(@"}", RegexOptions.Compiled);
Patterns.Add(TokenType.CloseBracket, regex);
Tokens.Add(TokenType.CloseBracket);
regex = new Regex(@"=", RegexOptions.Compiled);
Patterns.Add(TokenType.Equals, regex);
Tokens.Add(TokenType.Equals);
regex = new Regex(@":", RegexOptions.Compiled);
Patterns.Add(TokenType.Colon, regex);
Tokens.Add(TokenType.Colon);
regex = new Regex(@",", RegexOptions.Compiled);
Patterns.Add(TokenType.Comma, regex);
Tokens.Add(TokenType.Comma);
regex = new Regex(@";", RegexOptions.Compiled);
Patterns.Add(TokenType.Semicolon, regex);
Tokens.Add(TokenType.Semicolon);
regex = new Regex(@"\|", RegexOptions.Compiled);
Patterns.Add(TokenType.Or, regex);
Tokens.Add(TokenType.Or);
regex = new Regex(@"\(", RegexOptions.Compiled);
Patterns.Add(TokenType.OpenParenthesis, regex);
Tokens.Add(TokenType.OpenParenthesis);
regex = new Regex(@"\)", RegexOptions.Compiled);
Patterns.Add(TokenType.CloseParenthesis, regex);
Tokens.Add(TokenType.CloseParenthesis);
regex = new Regex(@"\[", RegexOptions.Compiled);
Patterns.Add(TokenType.OpenSquareBracket, regex);
Tokens.Add(TokenType.OpenSquareBracket);
regex = new Regex(@"\]", RegexOptions.Compiled);
Patterns.Add(TokenType.CloseSquareBracket, regex);
Tokens.Add(TokenType.CloseSquareBracket);
regex = new Regex(@"<", RegexOptions.Compiled);
Patterns.Add(TokenType.LessThan, regex);
Tokens.Add(TokenType.LessThan);
regex = new Regex(@">", RegexOptions.Compiled);
Patterns.Add(TokenType.GreaterThan, regex);
Tokens.Add(TokenType.GreaterThan);
regex = new Regex(@"compile", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Compile, regex);
Tokens.Add(TokenType.Compile);
regex = new Regex(@"[A-Za-z_][A-Za-z0-9_]*", RegexOptions.Compiled);
Patterns.Add(TokenType.ShaderModel, regex);
Tokens.Add(TokenType.ShaderModel);
regex = new Regex(@"[\S]+", RegexOptions.Compiled);
Patterns.Add(TokenType.Code, regex);
Tokens.Add(TokenType.Code);
regex = new Regex(@"^$", RegexOptions.Compiled);
Patterns.Add(TokenType.EndOfFile, regex);
Tokens.Add(TokenType.EndOfFile);
regex = new Regex(@"MinFilter", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MinFilter, regex);
Tokens.Add(TokenType.MinFilter);
regex = new Regex(@"MagFilter", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MagFilter, regex);
Tokens.Add(TokenType.MagFilter);
regex = new Regex(@"MipFilter", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MipFilter, regex);
Tokens.Add(TokenType.MipFilter);
regex = new Regex(@"Filter", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Filter, regex);
Tokens.Add(TokenType.Filter);
regex = new Regex(@"Texture", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Texture, regex);
Tokens.Add(TokenType.Texture);
regex = new Regex(@"AddressU", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.AddressU, regex);
Tokens.Add(TokenType.AddressU);
regex = new Regex(@"AddressV", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.AddressV, regex);
Tokens.Add(TokenType.AddressV);
regex = new Regex(@"AddressW", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.AddressW, regex);
Tokens.Add(TokenType.AddressW);
regex = new Regex(@"BorderColor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.BorderColor, regex);
Tokens.Add(TokenType.BorderColor);
regex = new Regex(@"MaxAnisotropy", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MaxAnisotropy, regex);
Tokens.Add(TokenType.MaxAnisotropy);
regex = new Regex(@"MaxMipLevel|MaxLod", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MaxMipLevel, regex);
Tokens.Add(TokenType.MaxMipLevel);
regex = new Regex(@"MipLodBias", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MipLodBias, regex);
Tokens.Add(TokenType.MipLodBias);
regex = new Regex(@"Clamp", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Clamp, regex);
Tokens.Add(TokenType.Clamp);
regex = new Regex(@"Wrap", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Wrap, regex);
Tokens.Add(TokenType.Wrap);
regex = new Regex(@"Mirror", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Mirror, regex);
Tokens.Add(TokenType.Mirror);
regex = new Regex(@"Border", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Border, regex);
Tokens.Add(TokenType.Border);
regex = new Regex(@"None", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.None, regex);
Tokens.Add(TokenType.None);
regex = new Regex(@"Linear", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Linear, regex);
Tokens.Add(TokenType.Linear);
regex = new Regex(@"Point", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Point, regex);
Tokens.Add(TokenType.Point);
regex = new Regex(@"Anisotropic", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Anisotropic, regex);
Tokens.Add(TokenType.Anisotropic);
regex = new Regex(@"AlphaBlendEnable", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.AlphaBlendEnable, regex);
Tokens.Add(TokenType.AlphaBlendEnable);
regex = new Regex(@"SrcBlend", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.SrcBlend, regex);
Tokens.Add(TokenType.SrcBlend);
regex = new Regex(@"DestBlend", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.DestBlend, regex);
Tokens.Add(TokenType.DestBlend);
regex = new Regex(@"BlendOp", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.BlendOp, regex);
Tokens.Add(TokenType.BlendOp);
regex = new Regex(@"ColorWriteEnable", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.ColorWriteEnable, regex);
Tokens.Add(TokenType.ColorWriteEnable);
regex = new Regex(@"ZEnable", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.ZEnable, regex);
Tokens.Add(TokenType.ZEnable);
regex = new Regex(@"ZWriteEnable", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.ZWriteEnable, regex);
Tokens.Add(TokenType.ZWriteEnable);
regex = new Regex(@"ZFunc", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.ZFunc, regex);
Tokens.Add(TokenType.ZFunc);
regex = new Regex(@"DepthBias", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.DepthBias, regex);
Tokens.Add(TokenType.DepthBias);
regex = new Regex(@"CullMode", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.CullMode, regex);
Tokens.Add(TokenType.CullMode);
regex = new Regex(@"FillMode", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.FillMode, regex);
Tokens.Add(TokenType.FillMode);
regex = new Regex(@"MultiSampleAntiAlias", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.MultiSampleAntiAlias, regex);
Tokens.Add(TokenType.MultiSampleAntiAlias);
regex = new Regex(@"ScissorTestEnable", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.ScissorTestEnable, regex);
Tokens.Add(TokenType.ScissorTestEnable);
regex = new Regex(@"SlopeScaleDepthBias", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.SlopeScaleDepthBias, regex);
Tokens.Add(TokenType.SlopeScaleDepthBias);
regex = new Regex(@"StencilEnable", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilEnable, regex);
Tokens.Add(TokenType.StencilEnable);
regex = new Regex(@"StencilFail", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilFail, regex);
Tokens.Add(TokenType.StencilFail);
regex = new Regex(@"StencilFunc", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilFunc, regex);
Tokens.Add(TokenType.StencilFunc);
regex = new Regex(@"StencilMask", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilMask, regex);
Tokens.Add(TokenType.StencilMask);
regex = new Regex(@"StencilPass", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilPass, regex);
Tokens.Add(TokenType.StencilPass);
regex = new Regex(@"StencilRef", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilRef, regex);
Tokens.Add(TokenType.StencilRef);
regex = new Regex(@"StencilWriteMask", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilWriteMask, regex);
Tokens.Add(TokenType.StencilWriteMask);
regex = new Regex(@"StencilZFail", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.StencilZFail, regex);
Tokens.Add(TokenType.StencilZFail);
regex = new Regex(@"Never", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Never, regex);
Tokens.Add(TokenType.Never);
regex = new Regex(@"Less", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Less, regex);
Tokens.Add(TokenType.Less);
regex = new Regex(@"Equal", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Equal, regex);
Tokens.Add(TokenType.Equal);
regex = new Regex(@"LessEqual", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.LessEqual, regex);
Tokens.Add(TokenType.LessEqual);
regex = new Regex(@"Greater", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Greater, regex);
Tokens.Add(TokenType.Greater);
regex = new Regex(@"NotEqual", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.NotEqual, regex);
Tokens.Add(TokenType.NotEqual);
regex = new Regex(@"GreaterEqual", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.GreaterEqual, regex);
Tokens.Add(TokenType.GreaterEqual);
regex = new Regex(@"Always", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Always, regex);
Tokens.Add(TokenType.Always);
regex = new Regex(@"Keep", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Keep, regex);
Tokens.Add(TokenType.Keep);
regex = new Regex(@"Zero", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Zero, regex);
Tokens.Add(TokenType.Zero);
regex = new Regex(@"Replace", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Replace, regex);
Tokens.Add(TokenType.Replace);
regex = new Regex(@"IncrSat", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.IncrSat, regex);
Tokens.Add(TokenType.IncrSat);
regex = new Regex(@"DecrSat", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.DecrSat, regex);
Tokens.Add(TokenType.DecrSat);
regex = new Regex(@"Invert", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Invert, regex);
Tokens.Add(TokenType.Invert);
regex = new Regex(@"Incr", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Incr, regex);
Tokens.Add(TokenType.Incr);
regex = new Regex(@"Decr", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Decr, regex);
Tokens.Add(TokenType.Decr);
regex = new Regex(@"Red", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Red, regex);
Tokens.Add(TokenType.Red);
regex = new Regex(@"Green", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Green, regex);
Tokens.Add(TokenType.Green);
regex = new Regex(@"Blue", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Blue, regex);
Tokens.Add(TokenType.Blue);
regex = new Regex(@"Alpha", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Alpha, regex);
Tokens.Add(TokenType.Alpha);
regex = new Regex(@"All", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.All, regex);
Tokens.Add(TokenType.All);
regex = new Regex(@"Cw", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Cw, regex);
Tokens.Add(TokenType.Cw);
regex = new Regex(@"Ccw", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Ccw, regex);
Tokens.Add(TokenType.Ccw);
regex = new Regex(@"Solid", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Solid, regex);
Tokens.Add(TokenType.Solid);
regex = new Regex(@"WireFrame", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.WireFrame, regex);
Tokens.Add(TokenType.WireFrame);
regex = new Regex(@"Add", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Add, regex);
Tokens.Add(TokenType.Add);
regex = new Regex(@"Subtract", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Subtract, regex);
Tokens.Add(TokenType.Subtract);
regex = new Regex(@"RevSubtract", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.RevSubtract, regex);
Tokens.Add(TokenType.RevSubtract);
regex = new Regex(@"Min", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Min, regex);
Tokens.Add(TokenType.Min);
regex = new Regex(@"Max", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.Max, regex);
Tokens.Add(TokenType.Max);
regex = new Regex(@"One", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.One, regex);
Tokens.Add(TokenType.One);
regex = new Regex(@"SrcColor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.SrcColor, regex);
Tokens.Add(TokenType.SrcColor);
regex = new Regex(@"InvSrcColor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.InvSrcColor, regex);
Tokens.Add(TokenType.InvSrcColor);
regex = new Regex(@"SrcAlpha", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.SrcAlpha, regex);
Tokens.Add(TokenType.SrcAlpha);
regex = new Regex(@"InvSrcAlpha", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.InvSrcAlpha, regex);
Tokens.Add(TokenType.InvSrcAlpha);
regex = new Regex(@"DestAlpha", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.DestAlpha, regex);
Tokens.Add(TokenType.DestAlpha);
regex = new Regex(@"InvDestAlpha", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.InvDestAlpha, regex);
Tokens.Add(TokenType.InvDestAlpha);
regex = new Regex(@"DestColor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.DestColor, regex);
Tokens.Add(TokenType.DestColor);
regex = new Regex(@"InvDestColor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.InvDestColor, regex);
Tokens.Add(TokenType.InvDestColor);
regex = new Regex(@"SrcAlphaSat", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.SrcAlphaSat, regex);
Tokens.Add(TokenType.SrcAlphaSat);
regex = new Regex(@"BlendFactor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.BlendFactor, regex);
Tokens.Add(TokenType.BlendFactor);
regex = new Regex(@"InvBlendFactor", RegexOptions.Compiled | RegexOptions.IgnoreCase);
Patterns.Add(TokenType.InvBlendFactor, regex);
Tokens.Add(TokenType.InvBlendFactor);
}
public void Init(string input)
{
Init(input, "");
}
public void Init(string input, string fileName)
{
this.Input = input;
StartPos = 0;
EndPos = 0;
CurrentFile = fileName;
CurrentLine = 1;
CurrentColumn = 1;
CurrentPosition = 0;
LookAheadToken = null;
}
public Token GetToken(TokenType type)
{
Token t = new Token(this.StartPos, this.EndPos);
t.Type = type;
return t;
}
/// <summary>
/// executes a lookahead of the next token
/// and will advance the scan on the input string
/// </summary>
/// <returns></returns>
public Token Scan(params TokenType[] expectedtokens)
{
Token tok = LookAhead(expectedtokens); // temporarely retrieve the lookahead
LookAheadToken = null; // reset lookahead token, so scanning will continue
StartPos = tok.EndPos;
EndPos = tok.EndPos; // set the tokenizer to the new scan position
CurrentLine = tok.Line + (tok.Text.Length - tok.Text.Replace("\n", "").Length);
CurrentFile = tok.File;
return tok;
}
/// <summary>
/// returns token with longest best match
/// </summary>
/// <returns></returns>
public Token LookAhead(params TokenType[] expectedtokens)
{
int i;
int startpos = StartPos;
int endpos = EndPos;
int currentline = CurrentLine;
string currentFile = CurrentFile;
Token tok = null;
List<TokenType> scantokens;
// this prevents double scanning and matching
// increased performance
if (LookAheadToken != null
&& LookAheadToken.Type != TokenType._UNDETERMINED_
&& LookAheadToken.Type != TokenType._NONE_) return LookAheadToken;
// if no scantokens specified, then scan for all of them (= backward compatible)
if (expectedtokens.Length == 0)
scantokens = Tokens;
else
{
scantokens = new List<TokenType>(expectedtokens);
scantokens.AddRange(SkipList);
}
do
{
int len = -1;
TokenType index = (TokenType)int.MaxValue;
string input = Input.Substring(startpos);
tok = new Token(startpos, endpos);
for (i = 0; i < scantokens.Count; i++)
{
Regex r = Patterns[scantokens[i]];
Match m = r.Match(input);
if (m.Success && m.Index == 0 && ((m.Length > len) || (scantokens[i] < index && m.Length == len )))
{
len = m.Length;
index = scantokens[i];
}
}
if (index >= 0 && len >= 0)
{
tok.EndPos = startpos + len;
tok.Text = Input.Substring(tok.StartPos, len);
tok.Type = index;
}
else if (tok.StartPos == tok.EndPos)
{
if (tok.StartPos < Input.Length)
tok.Text = Input.Substring(tok.StartPos, 1);
else
tok.Text = "EOF";
}
// Update the line and column count for error reporting.
tok.File = currentFile;
tok.Line = currentline;
if (tok.StartPos < Input.Length)
tok.Column = tok.StartPos - Input.LastIndexOf('\n', tok.StartPos);
if (SkipList.Contains(tok.Type))
{
startpos = tok.EndPos;
endpos = tok.EndPos;
currentline = tok.Line + (tok.Text.Length - tok.Text.Replace("\n", "").Length);
currentFile = tok.File;
Skipped.Add(tok);
}
else
{
// only assign to non-skipped tokens
tok.Skipped = Skipped; // assign prior skips to this token
Skipped = new List<Token>(); //reset skips
}
// Check to see if the parsed token wants to
// alter the file and line number.
if (tok.Type == FileAndLine)
{
var match = Patterns[tok.Type].Match(tok.Text);
var fileMatch = match.Groups["File"];
if (fileMatch.Success)
currentFile = fileMatch.Value.Replace("\\\\", "\\");
var lineMatch = match.Groups["Line"];
if (lineMatch.Success)
currentline = int.Parse(lineMatch.Value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
}
while (SkipList.Contains(tok.Type));
LookAheadToken = tok;
return tok;
}
}
#endregion
#region Token
public enum TokenType
{
//Non terminal tokens:
_NONE_ = 0,
_UNDETERMINED_= 1,
//Non terminal tokens:
Start = 2,
Technique_Declaration= 3,
FillMode_Solid= 4,
FillMode_WireFrame= 5,
FillModes= 6,
CullMode_None= 7,
CullMode_Cw= 8,
CullMode_Ccw= 9,
CullModes= 10,
Colors_None= 11,
Colors_Red= 12,
Colors_Green= 13,
Colors_Blue= 14,
Colors_Alpha= 15,
Colors_All= 16,
Colors_Boolean= 17,
Colors = 18,
ColorsMasks= 19,
Blend_Zero= 20,
Blend_One= 21,
Blend_SrcColor= 22,
Blend_InvSrcColor= 23,
Blend_SrcAlpha= 24,
Blend_InvSrcAlpha= 25,
Blend_DestAlpha= 26,
Blend_InvDestAlpha= 27,
Blend_DestColor= 28,
Blend_InvDestColor= 29,
Blend_SrcAlphaSat= 30,
Blend_BlendFactor= 31,
Blend_InvBlendFactor= 32,
Blends = 33,
BlendOp_Add= 34,
BlendOp_Subtract= 35,
BlendOp_RevSubtract= 36,
BlendOp_Min= 37,
BlendOp_Max= 38,
BlendOps= 39,
CmpFunc_Never= 40,
CmpFunc_Less= 41,
CmpFunc_Equal= 42,
CmpFunc_LessEqual= 43,
CmpFunc_Greater= 44,
CmpFunc_NotEqual= 45,
CmpFunc_GreaterEqual= 46,
CmpFunc_Always= 47,
CmpFunc = 48,
StencilOp_Keep= 49,
StencilOp_Zero= 50,
StencilOp_Replace= 51,
StencilOp_IncrSat= 52,
StencilOp_DecrSat= 53,
StencilOp_Invert= 54,
StencilOp_Incr= 55,
StencilOp_Decr= 56,
StencilOp= 57,
Render_State_CullMode= 58,
Render_State_FillMode= 59,
Render_State_AlphaBlendEnable= 60,
Render_State_SrcBlend= 61,
Render_State_DestBlend= 62,
Render_State_BlendOp= 63,
Render_State_ColorWriteEnable= 64,
Render_State_DepthBias= 65,
Render_State_SlopeScaleDepthBias= 66,
Render_State_ZEnable= 67,
Render_State_ZWriteEnable= 68,
Render_State_ZFunc= 69,
Render_State_MultiSampleAntiAlias= 70,
Render_State_ScissorTestEnable= 71,
Render_State_StencilEnable= 72,
Render_State_StencilFail= 73,
Render_State_StencilFunc= 74,
Render_State_StencilMask= 75,
Render_State_StencilPass= 76,
Render_State_StencilRef= 77,
Render_State_StencilWriteMask= 78,
Render_State_StencilZFail= 79,
Render_State_Expression= 80,
Pass_Declaration= 81,
VertexShader_Pass_Expression= 82,
PixelShader_Pass_Expression= 83,
AddressMode_Clamp= 84,
AddressMode_Wrap= 85,
AddressMode_Mirror= 86,
AddressMode_Border= 87,
AddressMode= 88,
TextureFilter_None= 89,
TextureFilter_Linear= 90,
TextureFilter_Point= 91,
TextureFilter_Anisotropic= 92,
TextureFilter= 93,
Sampler_State_Texture= 94,
Sampler_State_MinFilter= 95,
Sampler_State_MagFilter= 96,
Sampler_State_MipFilter= 97,
Sampler_State_Filter= 98,
Sampler_State_AddressU= 99,
Sampler_State_AddressV= 100,
Sampler_State_AddressW= 101,
Sampler_State_BorderColor= 102,
Sampler_State_MaxMipLevel= 103,
Sampler_State_MaxAnisotropy= 104,
Sampler_State_MipLodBias= 105,
Sampler_State_Expression= 106,
Sampler_Register_Expression= 107,
Sampler_Declaration_States= 108,
Sampler_Declaration= 109,
//Terminal tokens:
BlockComment= 110,
Comment = 111,
Whitespace= 112,
LinePragma= 113,
Pass = 114,
Technique= 115,
Sampler = 116,
SamplerState= 117,
VertexShader= 118,
PixelShader= 119,
Register= 120,
Boolean = 121,
Number = 122,
HexColor= 123,
Identifier= 124,
OpenBracket= 125,
CloseBracket= 126,
Equals = 127,
Colon = 128,
Comma = 129,
Semicolon= 130,
Or = 131,
OpenParenthesis= 132,
CloseParenthesis= 133,
OpenSquareBracket= 134,
CloseSquareBracket= 135,
LessThan= 136,
GreaterThan= 137,
Compile = 138,
ShaderModel= 139,
Code = 140,
EndOfFile= 141,
MinFilter= 142,
MagFilter= 143,
MipFilter= 144,
Filter = 145,
Texture = 146,
AddressU= 147,
AddressV= 148,
AddressW= 149,
BorderColor= 150,
MaxAnisotropy= 151,
MaxMipLevel= 152,
MipLodBias= 153,
Clamp = 154,
Wrap = 155,
Mirror = 156,
Border = 157,
None = 158,
Linear = 159,
Point = 160,
Anisotropic= 161,
AlphaBlendEnable= 162,
SrcBlend= 163,
DestBlend= 164,
BlendOp = 165,
ColorWriteEnable= 166,
ZEnable = 167,
ZWriteEnable= 168,
ZFunc = 169,
DepthBias= 170,
CullMode= 171,
FillMode= 172,
MultiSampleAntiAlias= 173,
ScissorTestEnable= 174,
SlopeScaleDepthBias= 175,
StencilEnable= 176,
StencilFail= 177,
StencilFunc= 178,
StencilMask= 179,
StencilPass= 180,
StencilRef= 181,
StencilWriteMask= 182,
StencilZFail= 183,
Never = 184,
Less = 185,
Equal = 186,
LessEqual= 187,
Greater = 188,
NotEqual= 189,
GreaterEqual= 190,
Always = 191,
Keep = 192,
Zero = 193,
Replace = 194,
IncrSat = 195,
DecrSat = 196,
Invert = 197,
Incr = 198,
Decr = 199,
Red = 200,
Green = 201,
Blue = 202,
Alpha = 203,
All = 204,
Cw = 205,
Ccw = 206,
Solid = 207,
WireFrame= 208,
Add = 209,
Subtract= 210,
RevSubtract= 211,
Min = 212,
Max = 213,
One = 214,
SrcColor= 215,
InvSrcColor= 216,
SrcAlpha= 217,
InvSrcAlpha= 218,
DestAlpha= 219,
InvDestAlpha= 220,
DestColor= 221,
InvDestColor= 222,
SrcAlphaSat= 223,
BlendFactor= 224,
InvBlendFactor= 225
}
public class Token
{
private string file;
private int line;
private int column;
private int startpos;
private int endpos;
private string text;
private object value;
// contains all prior skipped symbols
private List<Token> skipped;
public string File {
get { return file; }
set { file = value; }
}
public int Line {
get { return line; }
set { line = value; }
}
public int Column {
get { return column; }
set { column = value; }
}
public int StartPos {
get { return startpos;}
set { startpos = value; }
}
public int Length {
get { return endpos - startpos;}
}
public int EndPos {
get { return endpos;}
set { endpos = value; }
}
public string Text {
get { return text;}
set { text = value; }
}
public List<Token> Skipped {
get { return skipped;}
set { skipped = value; }
}
public object Value {
get { return value;}
set { this.value = value; }
}
[XmlAttribute]
public TokenType Type;
public Token()
: this(0, 0)
{
}
public Token(int start, int end)
{
Type = TokenType._UNDETERMINED_;
startpos = start;
endpos = end;
Text = ""; // must initialize with empty string, may cause null reference exceptions otherwise
Value = null;
}
public void UpdateRange(Token token)
{
if (token.StartPos < startpos) startpos = token.StartPos;
if (token.EndPos > endpos) endpos = token.EndPos;
}
public override string ToString()
{
if (Text != null)
return Type.ToString() + " '" + Text + "'";
else
return Type.ToString();
}
}
#endregion
}