public CompressedState(Lexer lexer)
{
this._hereDocLabel = lexer._hereDocLabel;
this._currentState = lexer.CurrentLexicalState;
this._stateStack = lexer.stateStack.ToArray();
this._phpDoc = lexer.DocBlock;
}
/// <summary>
/// Initializes a new instance of the <c>LuatSyntaxLanguage</c> class.
/// </summary>
public LuatSyntaxLanguage(LuaIntellisenseBroker plugin)
: base("Luat")
{
m_plugin = plugin;
ExampleText = @"/*
function HelloWorld()
local a = 1
local b : FwVector4;
end";
// Initialize highlighting styles (same as the LuaDefinition.xml values); helps SkinService
HighlightingStyles.Add(new HighlightingStyle(ReservedWordStyleString, null, Color.Blue, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(FunctionStyleString, null, Color.Magenta, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(GlobalVariableStyleString, null, Color.Teal, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(OperatorStyleString, null, Color.Black, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(NumberStyleString, null, Color.Purple, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(StringDelimiterStyleString, null, Color.Maroon, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(StringDefaultStyleString, null, Color.Maroon, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(CommentDelimiterStyleString, null, Color.Green, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(CommentUrlStyleString, null, Color.Green, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(CommentTagStyleString, null, Color.Gray, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(CommentDefaultStyleString, null, Color.Green, Color.Empty));
// Initialize custom highlighting styles
HighlightingStyles.Add(new HighlightingStyle(WarningStyleString, null, Color.Green, Color.Empty));
HighlightingStyles.Add(new HighlightingStyle(ReferenceStyleString, null, Color.Empty, Color.LightCyan));
HighlightingStyles.Add(new HighlightingStyle(AssignmentStyleString, null, Color.Empty, Color.MistyRose));
// Initialize lexical states
LexicalStates.Add(new DefaultLexicalState(LuatLexicalStateId.Default, "DefaultState"));
DefaultLexicalState = LexicalStates["DefaultState"];
LexicalStates["DefaultState"].DefaultHighlightingStyle = HighlightingStyles["DefaultStyle"];
}
private bool yy_pop_state()
{
if (stateStack.Count == 0)
{
return(false);
}
current_lexical_state = stateStack.Pop();
return(true);
}
public void Initialize(System.IO.TextReader reader, LexicalStates lexicalState, bool atBol)
{
this.expanding_token = false;
this.token_start = 0;
this.chars_read = 0;
this.lookahead_index = 0;
this.token_chunk_start = 0;
this.token_end = 0;
this.reader = reader;
this.yy_at_bol = atBol;
this.current_lexical_state = lexicalState;
}
public void Initialize(System.IO.TextReader reader, LexicalStates lexicalState, bool atBol)
{
this.expanding_token = false;
this.token_start = 0;
this.chars_read = 0;
this.lookahead_index = 0;
this.token_chunk_start = 0;
this.token_end = 0;
this.reader = reader;
this.yy_at_bol = atBol;
this.current_lexical_state = lexicalState;
}
/// <summary>
/// Lexer constructor that initializes all the necessary members
/// </summary>
/// <param name="reader">Text reader containing the source code.</param>
/// <param name="encoding">Source file encoding to convert UTF characters.</param>
/// <param name="errors">Error sink used to report lexical error.</param>
/// <param name="features">Allow or disable short oppening tags for PHP.</param>
/// <param name="positionShift">Starting position of the first token, used during custom restart.</param>
/// <param name="initialState">Initial state of the lexer, used during custom restart.</param>
public Lexer(
System.IO.TextReader reader,
Encoding encoding,
IErrorSink <Span> errors = null,
LanguageFeatures features = LanguageFeatures.Basic,
int positionShift = 0,
LexicalStates initialState = LexicalStates.INITIAL)
{
_encoding = encoding ?? Encoding.UTF8;
_errors = errors ?? new EmptyErrorSink <Span>();
_charOffset = positionShift;
_allowShortTags = (features & LanguageFeatures.ShortOpenTags) != 0;
Initialize(reader, initialState);
}
bool ProcessText(int count, LexicalStates newState, char ending, out Tokens token)
{
_yyless(count);
token = Tokens.T_ENCAPSED_AND_WHITESPACE;
yy_push_state(newState);
if (TokenLength > 0)
{
this._tokenSemantics.Object = ProcessEscapedStringWithEnding(GetTokenString(), _encoding, false, ending);
return(true);
}
else
{
yymore();
return(false);
}
}
bool ProcessText(int count, LexicalStates newState, char ending, out Tokens token)
{
_yyless(count);
token = Tokens.T_ENCAPSED_AND_WHITESPACE;
yy_push_state(newState);
if (TokenLength > 0)
{
_tokenSemantics.Object = new KeyValuePair <string, string>((string)ProcessEscapedStringWithEnding(buffer, BufferTokenStart, TokenLength, ending), GetTokenString());
return(true);
}
else
{
yymore();
return(false);
}
}
/// <summary>
/// Lexer constructor that initializes all the necessary members
/// </summary>
/// <param name="reader">Text reader containing the source code.</param>
/// <param name="encoding">Source file encoding to convert UTF characters.</param>
/// <param name="errors">Error sink used to report lexical error.</param>
/// <param name="features">Allow or disable short oppening tags for PHP.</param>
/// <param name="positionShift">Starting position of the first token, used during custom restart.</param>
/// <param name="initialState">Initial state of the lexer, used during custom restart.</param>
public Lexer(
System.IO.TextReader reader,
Encoding encoding,
IErrorSink <Span> errors = null,
LanguageFeatures features = LanguageFeatures.Basic,
int positionShift = 0,
LexicalStates initialState = LexicalStates.INITIAL)
{
_encoding = encoding ?? Encoding.UTF8;
_errors = errors ?? new EmptyErrorSink <Span>();
_charOffset = positionShift;
_features = features;
_strings = StringTable.GetInstance();
Initialize(reader, initialState);
}
/// <summary>
/// Lexer constructor that initializes all the necessary members
/// </summary>
/// <param name="reader">Text reader containing the source code.</param>
/// <param name="encoding">Source file encoding to convert UTF characters.</param>
/// <param name="errors">Error sink used to report lexical error.</param>
/// <param name="features">Allow or disable short oppening tags for PHP.</param>
/// <param name="docBlockFactory">Factory for documentary comment semantic elements.</param>
/// <param name="positionShift">Starting position of the first token, used during custom restart.</param>
/// <param name="initialState">Initial state of the lexer, used during custom restart.</param>
public Lexer(
System.IO.TextReader reader,
Encoding encoding,
IErrorSink <Span> errors = null,
LanguageFeatures features = LanguageFeatures.Basic,
IDocBlockFactory docBlockFactory = null,
int positionShift = 0,
LexicalStates initialState = LexicalStates.INITIAL)
{
_encoding = encoding ?? Encoding.UTF8;
_errors = errors ?? new EmptyErrorSink <Span>();
_docblockFactory = docBlockFactory ?? DefaultDocBlockFactory.Instance;
_charOffset = positionShift;
_features = features;
_strings = StringTable.GetInstance();
_processDoubleQuotedString = ProcessDoubleQuotedString;
Initialize(reader, initialState);
}
public CompressedState(Tokenizer tokenizer)
{
this.hereDocLabel = tokenizer.hereDocLabel;
this.currentState = tokenizer.CurrentLexicalState;
this.stateStack = tokenizer.StateStack.ToArray();
}
public void Initialize(System.IO.TextReader reader, LexicalStates lexicalState)
{
Initialize(reader, lexicalState, false);
}
private void yy_push_state(LexicalStates state)
{
stateStack.Push(current_lexical_state);
current_lexical_state = state;
}
/// <summary>
/// Override of <c>Initialize</c> resetting <see cref="_charOffset"/> so <see cref="TokenPosition"/> is correctly shifted.
/// </summary>
public void Initialize(System.IO.TextReader reader, LexicalStates lexicalState, bool atBol, int positionShift)
{
Initialize(reader, lexicalState, atBol);
_charOffset = positionShift;
}
public void Initialize(System.IO.TextReader reader, LexicalStates lexicalState)
{
Initialize(reader, lexicalState, false);
}
#pragma warning restore 162
#endregion
private void BEGIN(LexicalStates state)
{
current_lexical_state = state;
}
#pragma warning restore 162
#endregion
private void BEGIN(LexicalStates state)
{
current_lexical_state = state;
}
private bool yy_pop_state()
{
if (stateStack.Count == 0) return false;
current_lexical_state = stateStack.Pop();
return true;
}
private void yy_push_state(LexicalStates state)
{
stateStack.Push(current_lexical_state);
current_lexical_state = state;
}