Package jsyntaxpane.lexers
Class RubyLexer
- java.lang.Object
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- jsyntaxpane.lexers.DefaultJFlexLexer
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- jsyntaxpane.lexers.RubyLexer
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- All Implemented Interfaces:
Lexer
public final class RubyLexer extends DefaultJFlexLexer
This class is a scanner generated by JFlex 1.7.0 from the specification file src/main/jflex/jsyntaxpane/lexers/ruby.flex
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Field Summary
Fields Modifier and Type Field Description static int
ML_STRING
static int
STRING
static int
YYEOF
This character denotes the end of filestatic int
YYINITIAL
lexical states-
Fields inherited from class jsyntaxpane.lexers.DefaultJFlexLexer
offset, tokenLength, tokenStart
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
yybegin(int newState)
Enters a new lexical stateint
yychar()
Return the char number from beginning of input stream.char
yycharat(int pos)
Returns the character at position pos from the matched text.void
yyclose()
Closes the input stream.int
yylength()
Returns the length of the matched text region.Token
yylex()
Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs.void
yypushback(int number)
Pushes the specified amount of characters back into the input stream.void
yyreset(java.io.Reader reader)
Resets the scanner to read from a new input stream.int
yystate()
Returns the current lexical state.java.lang.String
yytext()
Returns the text matched by the current regular expression.
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Field Detail
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YYEOF
public static final int YYEOF
This character denotes the end of file- See Also:
- Constant Field Values
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YYINITIAL
public static final int YYINITIAL
lexical states- See Also:
- Constant Field Values
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STRING
public static final int STRING
- See Also:
- Constant Field Values
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ML_STRING
public static final int ML_STRING
- See Also:
- Constant Field Values
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Method Detail
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yychar
public int yychar()
Description copied from class:DefaultJFlexLexer
Return the char number from beginning of input stream. This is NOT implemented by JFLex, so the code must be added to create this and return the private yychar field- Specified by:
yychar
in classDefaultJFlexLexer
- Returns:
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yyclose
public final void yyclose() throws java.io.IOException
Closes the input stream.- Throws:
java.io.IOException
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yyreset
public final void yyreset(java.io.Reader reader)
Resets the scanner to read from a new input stream. Does not close the old reader. All internal variables are reset, the old input stream cannot be reused (internal buffer is discarded and lost). Lexical state is set to ZZ_INITIAL. Internal scan buffer is resized down to its initial length, if it has grown.- Specified by:
yyreset
in classDefaultJFlexLexer
- Parameters:
reader
- the new input stream
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yystate
public final int yystate()
Returns the current lexical state.
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yybegin
public final void yybegin(int newState)
Enters a new lexical state- Parameters:
newState
- the new lexical state
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yytext
public final java.lang.String yytext()
Returns the text matched by the current regular expression.- Specified by:
yytext
in classDefaultJFlexLexer
- Returns:
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yycharat
public final char yycharat(int pos)
Returns the character at position pos from the matched text. It is equivalent to yytext().charAt(pos), but faster- Specified by:
yycharat
in classDefaultJFlexLexer
- Parameters:
pos
- the position of the character to fetch. A value from 0 to yylength()-1.- Returns:
- the character at position pos
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yylength
public final int yylength()
Returns the length of the matched text region.- Specified by:
yylength
in classDefaultJFlexLexer
- Returns:
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yypushback
public void yypushback(int number)
Pushes the specified amount of characters back into the input stream. They will be read again by then next call of the scanning method- Parameters:
number
- the number of characters to be read again. This number must not be greater than yylength()!
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yylex
public Token yylex() throws java.io.IOException
Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs.- Specified by:
yylex
in classDefaultJFlexLexer
- Returns:
- the next token
- Throws:
java.io.IOException
- if any I/O-Error occurs
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