feat(gui): smali code highlighting (PR #1283)

* smali code highlighting is basically perfect
* Optimize smali highlight color matching, and provide original jflex generation

* reformat code
* disable checkstyle
* update shell to be more environment independent
Co-authored-by: NSkylot <skylot@gmail.com>

config/jflex/.gitignore

+SmaliTokenMaker.java

config/jflex/README.md

+Refer to the following instructions to modify and use to generate SmaliTokenMarker
+
+```shell
+jflex SmaliTokenMaker.flex --skel skeleton.default
+```

config/jflex/SmaliTokenMaker.flex

+/*
+ * Generated on 11/22/21, 8:58 PM
+ */
+package jadx.gui.ui.codeearea;
+
+import java.io.*;
+import javax.swing.text.Segment;
+
+import org.fife.ui.rsyntaxtextarea.*;
+
+
+/**
+ * 用于Smali代码高亮
+ * MartinKay@qq.com
+ */
+%%
+
+%public
+%class SmaliTokenMaker
+%extends AbstractJFlexCTokenMaker
+%unicode
+/* Case sensitive */
+%type org.fife.ui.rsyntaxtextarea.Token
+
+
+%{
+
+
+	/**
+	 * Constructor.  This must be here because JFlex does not generate a
+	 * no-parameter constructor.
+	 */
+	public SmaliTokenMaker() {
+	}
+
+
+	/**
+	 * Adds the token specified to the current linked list of tokens.
+	 *
+	 * @param tokenType The token's type.
+	 * @see #addToken(int, int, int)
+	 */
+	private void addHyperlinkToken(int start, int end, int tokenType) {
+		int so = start + offsetShift;
+		addToken(zzBuffer, start,end, tokenType, so, true);
+	}
+
+
+	/**
+	 * Adds the token specified to the current linked list of tokens.
+	 *
+	 * @param tokenType The token's type.
+	 */
+	private void addToken(int tokenType) {
+		addToken(zzStartRead, zzMarkedPos-1, tokenType);
+	}
+
+
+	/**
+	 * Adds the token specified to the current linked list of tokens.
+	 *
+	 * @param tokenType The token's type.
+	 * @see #addHyperlinkToken(int, int, int)
+	 */
+	private void addToken(int start, int end, int tokenType) {
+		int so = start + offsetShift;
+		addToken(zzBuffer, start,end, tokenType, so, false);
+	}
+
+
+	/**
+	 * Adds the token specified to the current linked list of tokens.
+	 *
+	 * @param array The character array.
+	 * @param start The starting offset in the array.
+	 * @param end The ending offset in the array.
+	 * @param tokenType The token's type.
+	 * @param startOffset The offset in the document at which this token
+	 *        occurs.
+	 * @param hyperlink Whether this token is a hyperlink.
+	 */
+	public void addToken(char[] array, int start, int end, int tokenType,
+						int startOffset, boolean hyperlink) {
+		super.addToken(array, start,end, tokenType, startOffset, hyperlink);
+		zzStartRead = zzMarkedPos;
+	}
+
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public String[] getLineCommentStartAndEnd(int languageIndex) {
+		return new String[] { "#", null };
+	}
+
+
+	/**
+	 * Returns the first token in the linked list of tokens generated
+	 * from <code>text</code>.  This method must be implemented by
+	 * subclasses so they can correctly implement syntax highlighting.
+	 *
+	 * @param text The text from which to get tokens.
+	 * @param initialTokenType The token type we should start with.
+	 * @param startOffset The offset into the document at which
+	 *        <code>text</code> starts.
+	 * @return The first <code>Token</code> in a linked list representing
+	 *         the syntax highlighted text.
+	 */
+	public Token getTokenList(Segment text, int initialTokenType, int startOffset) {
+
+		resetTokenList();
+		this.offsetShift = -text.offset + startOffset;
+
+		// Start off in the proper state.
+		int state = Token.NULL;
+		switch (initialTokenType) {
+			/* No multi-line comments */
+			/* No documentation comments */
+			default:
+				state = Token.NULL;
+		}
+
+		s = text;
+		try {
+			yyreset(zzReader);
+			yybegin(state);
+			return yylex();
+		} catch (IOException ioe) {
+			ioe.printStackTrace();
+			return new TokenImpl();
+		}
+
+	}
+
+
+	/**
+	 * Refills the input buffer.
+	 *
+	 * @return      <code>true</code> if EOF was reached, otherwise
+	 *              <code>false</code>.
+	 */
+	private boolean zzRefill() {
+		return zzCurrentPos>=s.offset+s.count;
+	}
+
+
+	/**
+	 * 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
+	 * <b>cannot</b> be reused (internal buffer is discarded and lost).
+	 * Lexical state is set to <tt>YY_INITIAL</tt>.
+	 *
+	 * @param reader   the new input stream
+	 */
+	public final void yyreset(Reader reader) {
+		// 's' has been updated.
+		zzBuffer = s.array;
+		/*
+		 * We replaced the line below with the two below it because zzRefill
+		 * no longer "refills" the buffer (since the way we do it, it's always
+		 * "full" the first time through, since it points to the segment's
+		 * array).  So, we assign zzEndRead here.
+		 */
+		//zzStartRead = zzEndRead = s.offset;
+		zzStartRead = s.offset;
+		zzEndRead = zzStartRead + s.count - 1;
+		zzCurrentPos = zzMarkedPos = zzPushbackPos = s.offset;
+		zzLexicalState = YYINITIAL;
+		zzReader = reader;
+		zzAtBOL  = true;
+		zzAtEOF  = false;
+	}
+
+
+%}
+
+Letter							= [A-Za-z]
+LetterOrUnderscore				= ({Letter}|"_")
+NonzeroDigit						= [1-9]
+Digit							= ("0"|{NonzeroDigit})
+HexDigit							= ({Digit}|[A-Fa-f])
+OctalDigit						= ([0-7])
+AnyCharacterButApostropheOrBackSlash	= ([^\\'])
+AnyCharacterButDoubleQuoteOrBackSlash	= ([^\\\"\n])
+EscapedSourceCharacter				= ("u"{HexDigit}{HexDigit}{HexDigit}{HexDigit})
+Escape							= ("\\"(([btnfr\"'\\])|([0123]{OctalDigit}?{OctalDigit}?)|({OctalDigit}{OctalDigit}?)|{EscapedSourceCharacter}))
+NonSeparator						= ([^\t\f\r\n\ \(\)\{\}\[\]\;\,\.\=\>\<\!\~\?\:\+\-\*\/\&\|\^\%\"\']|"#"|"\\")
+IdentifierStart					= ({LetterOrUnderscore}|"$")
+IdentifierPart						= ({IdentifierStart}|{Digit}|("\\"{EscapedSourceCharacter}))
+
+LineTerminator				= (\n)
+WhiteSpace				= ([ \t\f]+)
+
+CharLiteral	= ([\']({AnyCharacterButApostropheOrBackSlash}|{Escape})[\'])
+UnclosedCharLiteral			= ([\'][^\'\n]*)
+ErrorCharLiteral			= ({UnclosedCharLiteral}[\'])
+StringLiteral				= ([\"]({AnyCharacterButDoubleQuoteOrBackSlash}|{Escape})*[\"])
+UnclosedStringLiteral		= ([\"]([\\].|[^\\\"])*[^\"]?)
+ErrorStringLiteral			= ({UnclosedStringLiteral}[\"])
+
+/* No multi-line comments */
+/* No documentation comments */
+LineCommentBegin			= "#"
+
+IntegerLiteral			= ({Digit}+)
+HexLiteral			= (0x{HexDigit}+)
+FloatLiteral			= (({Digit}+)("."{Digit}+)?(e[+-]?{Digit}+)? | ({Digit}+)?("."{Digit}+)(e[+-]?{Digit}+)?)
+ErrorNumberFormat			= (({IntegerLiteral}|{HexLiteral}|{FloatLiteral}){NonSeparator}+)
+BooleanLiteral				= ("true"|"false")
+
+Separator					= ([\(\)\{\}\[\]])
+Separator2				= ([\;,.])
+
+Identifier				= ({IdentifierStart}{IdentifierPart}*)
+
+URLGenDelim				= ([:\/\?#\[\]@])
+URLSubDelim				= ([\!\$&'\(\)\*\+,;=])
+URLUnreserved			= ({LetterOrUnderscore}|{Digit}|[\-\.\~])
+URLCharacter			= ({URLGenDelim}|{URLSubDelim}|{URLUnreserved}|[%])
+URLCharacters			= ({URLCharacter}*)
+URLEndCharacter			= ([\/\$]|{Letter}|{Digit})
+URL						= (((https?|f(tp|ile))"://"|"www.")({URLCharacters}{URLEndCharacter})?)
+
+
+/*  Custom Regex  */
+/* fully-qualified name Rules  */
+SimpleName = ([a-zA-Z0-9_$]*)
+QUALIFIED_TYPE_NAME = ("L"({SimpleName}{SLASH})*{SimpleName}*";")
+/* Types */
+VOID_TYPE = ("V")
+BOOLEAN_TYPE = ("Z")
+BYTE_TYPE = ("B")
+SHORT_TYPE = ("S")
+CHAR_TYPE = ("C")
+INT_TYPE = ("I")
+LONG_TYPE = ("J")
+FLOAT_TYPE = ("F")
+DOUBLE_TYPE = ("D")
+/* Multi Args Types Highlight  */
+MULTI_ARGS_TYPES = (({BOOLEAN_TYPE}|{BYTE_TYPE}|{SHORT_TYPE}|{CHAR_TYPE}|{INT_TYPE}|{LONG_TYPE}|{FLOAT_TYPE}|{DOUBLE_TYPE})+);
+
+/* Types fully-qualified name */
+COMPOUND_METHOD_ARG_LITERAL = (({BOOLEAN_TYPE}|{BYTE_TYPE}|{SHORT_TYPE}|{CHAR_TYPE}|{INT_TYPE}|{LONG_TYPE}|{FLOAT_TYPE}|{DOUBLE_TYPE})+{QUALIFIED_TYPE_NAME})
+
+
+LBRACK = ("[")
+RBRACK = ("]")
+LPAREN = ("(")
+RPAREN = (")")
+LBRACE = ("{")
+RBRACE = ("}")
+COLON = (":")
+ASSIGN = ("=")
+DOT = (".")
+SUB = ("-")
+COMMA = (",")
+SLASH = ("/")
+LT = ("<")
+GT = (">")
+ARROW = ("->")
+SEMI = (";")
+ARROW_FUNCTION = ({ARROW}[a-zA-Z_$<>]*)
+CustomSeparator = ({Separator}|{ARROW_FUNCTION})
+
+/* Register */
+VREGISTER = ("v"("0"|[1-9])*)
+PREGISTER = ("p"("0"|[1-9])*)
+
+/* Flags  */
+FLAG_PSWITCH = (":pswitch_"{SimpleName})
+FLAG_PSWITCH_DATA = (":pswitch_data_"{SimpleName})
+FLAG_GOTO = (":goto_"{SimpleName})
+FLAG_COND = (":cond_"{SimpleName})
+FLAG_TRY_START = (":try_start_"{SimpleName})
+FLAG_TRY_END = (":try_end_"{SimpleName})
+FLAG_CATCH = (":catch_"{SimpleName})
+FLAG_CATCHALL = (":catchall_"{SimpleName})
+FLAG_ARRAY = (":array_"{SimpleName})
+
+/* No string state */
+/* No char state */
+/* No MLC state */
+/* No documentation comment state */
+%state EOL_COMMENT
+
+%%
+
+<YYINITIAL> {
+
+	/* Keywords Instructions Highlight */
+"nop" |
+"move" |
+"move/from16" |
+"move/16" |
+"move-wide" |
+"move-wide/from16" |
+"move-wide/16" |
+"move-object" |
+"move-object/from16" |
+"move-object/16" |
+"move-result" |
+"move-result-wide" |
+"move-result-object" |
+"move-exception" |
+"return-void" |
+"return" |
+"return-wide" |
+"return-object" |
+"const/4" |
+"const/16" |
+"const" |
+"const/high16" |
+"const-wide/16" |
+"const-wide/32" |
+"const-wide" |
+"const-wide/high16" |
+"const-string" |
+"const-string/jumbo" |
+"const-class" |
+"monitor-enter" |
+"monitor-exit" |
+"check-cast" |
+"instance-of" |
+"array-length" |
+"new-instance" |
+"new-array" |
+"filled-new-array" |
+"filled-new-array/range" |
+"fill-array-data" |
+"throw" |
+"goto" |
+"goto/16" |
+"goto/32" |
+"cmpl-float" |
+"cmpg-float" |
+"cmpl-double" |
+"cmpg-double" |
+"cmp-long" |
+"if-eq" |
+"if-ne" |
+"if-lt" |
+"if-ge" |
+"if-gt" |
+"if-le" |
+"if-eqz" |
+"if-nez" |
+"if-ltz" |
+"if-gez" |
+"if-gtz" |
+"if-lez" |
+"aget" |
+"aget-wide" |
+"aget-object" |
+"aget-boolean" |
+"aget-byte" |
+"aget-char" |
+"aget-short" |
+"aput" |
+"aput-wide" |
+"aput-object" |
+"aput-boolean" |
+"aput-byte" |
+"aput-char" |
+"aput-short" |
+"iget" |
+"iget-wide" |
+"iget-object" |
+"iget-boolean" |
+"iget-byte" |
+"iget-char" |
+"iget-short" |
+"iput" |
+"iput-wide" |
+"iput-object" |
+"iput-boolean" |
+"iput-byte" |
+"iput-char" |
+"iput-short" |
+"sget" |
+"sget-wide" |
+"sget-object" |
+"sget-boolean" |
+"sget-byte" |
+"sget-char" |
+"sget-short" |
+"sput" |
+"sput-wide" |
+"sput-object" |
+"sput-boolean" |
+"sput-byte" |
+"sput-char" |
+"sput-short" |
+"invoke-virtual" |
+"invoke-super" |
+"invoke-direct" |
+"invoke-static" |
+"invoke-interface" |
+"invoke-virtual/range" |
+"invoke-super/range" |
+"invoke-direct/range" |
+"invoke-static/range" |
+"invoke-interface/range" |
+"neg-int" |
+"not-int" |
+"neg-long" |
+"not-long" |
+"neg-float" |
+"neg-double" |
+"int-to-long" |
+"int-to-float" |
+"int-to-double" |
+"long-to-int" |
+"long-to-float" |
+"long-to-double" |
+"float-to-int" |
+"float-to-long" |
+"float-to-double" |
+"double-to-int" |
+"double-to-long" |
+"double-to-float" |
+"int-to-byte" |
+"int-to-char" |
+"int-to-short" |
+"add-int" |
+"sub-int" |
+"mul-int" |
+"div-int" |
+"rem-int" |
+"and-int" |
+"or-int" |
+"xor-int" |
+"shl-int" |
+"shr-int" |
+"ushr-int" |
+"add-long" |
+"sub-long" |
+"mul-long" |
+"div-long" |
+"rem-long" |
+"and-long" |
+"or-long" |
+"xor-long" |
+"shl-long" |
+"shr-long" |
+"ushr-long" |
+"add-float" |
+"sub-float" |
+"mul-float" |
+"div-float" |
+"rem-float" |
+"add-double" |
+"sub-double" |
+"mul-double" |
+"div-double" |
+"rem-double" |
+"add-int/2addr" |
+"sub-int/2addr" |
+"mul-int/2addr" |
+"div-int/2addr" |
+"rem-int/2addr" |
+"and-int/2addr" |
+"or-int/2addr" |
+"xor-int/2addr" |
+"shl-int/2addr" |
+"shr-int/2addr" |
+"ushr-int/2addr" |
+"add-long/2addr" |
+"sub-long/2addr" |
+"mul-long/2addr" |
+"div-long/2addr" |
+"rem-long/2addr" |
+"and-long/2addr" |
+"or-long/2addr" |
+"xor-long/2addr" |
+"shl-long/2addr" |
+"shr-long/2addr" |
+"ushr-long/2addr" |
+"add-float/2addr" |
+"sub-float/2addr" |
+"mul-float/2addr" |
+"div-float/2addr" |
+"rem-float/2addr" |
+"add-double/2addr" |
+"sub-double/2addr" |
+"mul-double/2addr" |
+"div-double/2addr" |
+"rem-double/2addr" |
+"add-int/lit16" |
+"rsub-int" |
+"mul-int/lit16" |
+"div-int/lit16" |
+"rem-int/lit16" |
+"and-int/lit16" |
+"or-int/lit16" |
+"xor-int/lit16" |
+"add-int/lit8" |
+"rsub-int/lit8" |
+"mul-int/lit8" |
+"div-int/lit8" |
+"rem-int/lit8" |
+"and-int/lit8" |
+"or-int/lit8" |
+"xor-int/lit8" |
+"shl-int/lit8" |
+"shr-int/lit8" |
+"ushr-int/lit8" |
+"invoke-polymorphic" |
+"invoke-polymorphic/range" |
+"invoke-custom" |
+"invoke-custom/range" |
+"const-method-handle" |
+"const-method-type" |
+"packed-switch" |
+"sparse-switch"		{ addToken(Token.FUNCTION); }
+
+	/* Keywords Modifiers(IDENTIFIER标识符、修饰符) Highlight */
+"public" |
+"private" |
+"protected" |
+"final" |
+"annotation" |
+"static" |
+"synthetic" |
+"constructor" |
+"abstract" |
+"enum" |
+"interface" |
+"transient" |
+"bridge" |
+"declared-synchronized" |
+"volatile" |
+"strictfp" |
+"varargs" |
+"native"		{ addToken(Token.RESERVED_WORD); }
+
+
+
+
+	/* Keywords Directives Highlight */
+".method" |
+".end method" |
+".implements" |
+".class" |
+".prologue" |
+".source" |
+".super" |
+".field" |
+".end field" |
+".registers" |
+".locals" |
+".param" |
+".line" |
+".catch" |
+".catchall" |
+".annotation" |
+".end annotation" |
+".local" |
+".end local" |
+".restart local" |
+".packed-switch" |
+".end packed-switch" |
+".array-data" |
+".end array-data" |
+".sparse-switch" |
+".end sparse-switch" |
+".end param"		{ addToken(Token.RESERVED_WORD_2); }
+
+
+	/* VARIABLE Register Highlight */
+{VREGISTER} |
+{PREGISTER}		{ addToken(Token.VARIABLE); }
+
+
+
+	/* Data types Highlight */
+{QUALIFIED_TYPE_NAME} |
+{COMPOUND_METHOD_ARG_LITERAL} |
+{MULTI_ARGS_TYPES} |
+{QUALIFIED_TYPE_NAME} |
+{VOID_TYPE} |
+{BOOLEAN_TYPE} |
+{BYTE_TYPE} |
+{SHORT_TYPE} |
+{CHAR_TYPE} |
+{INT_TYPE} |
+{LONG_TYPE} |
+{FLOAT_TYPE} |
+{DOUBLE_TYPE} 	{ addToken(Token.DATA_TYPE); }
+
+ /* FLAGS */
+{FLAG_PSWITCH} |
+{FLAG_PSWITCH_DATA} |
+{FLAG_GOTO} |
+{FLAG_COND} |
+{FLAG_TRY_START} |
+{FLAG_TRY_END} |
+{FLAG_CATCHALL} |
+{FLAG_ARRAY} |
+{FLAG_CATCH}  	{ addToken(Token.MARKUP_TAG_NAME); }
+
+	/* Functions */
+	/* No functions */
+
+	{BooleanLiteral}			{ addToken(Token.LITERAL_BOOLEAN); }
+
+	{LineTerminator}				{ addNullToken(); return firstToken; }
+
+	{Identifier}					{ addToken(Token.IDENTIFIER); }
+
+	{WhiteSpace}					{ addToken(Token.WHITESPACE); }
+
+	/* String/Character literals. */
+	{CharLiteral}				{ addToken(Token.LITERAL_CHAR); }
+{UnclosedCharLiteral}		{ addToken(Token.ERROR_CHAR); addNullToken(); return firstToken; }
+{ErrorCharLiteral}			{ addToken(Token.ERROR_CHAR); }
+	{StringLiteral}				{ addToken(Token.LITERAL_STRING_DOUBLE_QUOTE); }
+{UnclosedStringLiteral}		{ addToken(Token.ERROR_STRING_DOUBLE); addNullToken(); return firstToken; }
+{ErrorStringLiteral}			{ addToken(Token.ERROR_STRING_DOUBLE); }
+
+	/* Comment literals. */
+	/* No multi-line comments */
+	/* No documentation comments */
+	{LineCommentBegin}			{ start = zzMarkedPos-1; yybegin(EOL_COMMENT); }
+
+	/* Separators. */
+	{CustomSeparator}					{ addToken(Token.SEPARATOR); }
+	{Separator2}					{ addToken(Token.IDENTIFIER); }
+
+	/* Operators. */
+"!" |
+";" |
+"." |
+"=" |
+"/" |
+"'" |
+"(" |
+")" |
+"," |
+"->" |
+";->" |
+"<" |
+">" |
+"@" |
+"[" |
+"]" |
+"{" |
+"}"		{ addToken(Token.OPERATOR); }
+
+	/* Numbers */
+	{IntegerLiteral}				{ addToken(Token.LITERAL_NUMBER_DECIMAL_INT); }
+	{HexLiteral}					{ addToken(Token.LITERAL_NUMBER_HEXADECIMAL); }
+	{FloatLiteral}					{ addToken(Token.LITERAL_NUMBER_FLOAT); }
+	{ErrorNumberFormat}			{ addToken(Token.ERROR_NUMBER_FORMAT); }
+
+	/* Ended with a line not in a string or comment. */
+	<<EOF>>						{ addNullToken(); return firstToken; }
+
+	/* Catch any other (unhandled) characters. */
+	.							{ addToken(Token.IDENTIFIER); }
+
+}
+
+
+/* No char state */
+
+/* No string state */
+
+/* No multi-line comment state */
+
+/* No documentation comment state */
+
+<EOL_COMMENT> {
+	[^hwf\n]+				{}
+	{URL}					{ int temp=zzStartRead; addToken(start,zzStartRead-1, Token.COMMENT_EOL); addHyperlinkToken(temp,zzMarkedPos-1, Token.COMMENT_EOL); start = zzMarkedPos; }
+	[hwf]					{}
+	\n						{ addToken(start,zzStartRead-1, Token.COMMENT_EOL); addNullToken(); return firstToken; }
+	<<EOF>>					{ addToken(start,zzStartRead-1, Token.COMMENT_EOL); addNullToken(); return firstToken; }
+}
+

config/jflex/skeleton.default

+
+  /** This character denotes the end of file */
+  public static final int YYEOF = -1;
+
+  /** initial size of the lookahead buffer */
+--- private static final int ZZ_BUFFERSIZE = ...;
+
+  /** lexical states */
+---  lexical states, charmap
+
+  /* error codes */
+  private static final int ZZ_UNKNOWN_ERROR = 0;
+  private static final int ZZ_NO_MATCH = 1;
+  private static final int ZZ_PUSHBACK_2BIG = 2;
+
+  /* error messages for the codes above */
+  private static final String ZZ_ERROR_MSG[] = {
+    "Unkown internal scanner error",
+    "Error: could not match input",
+    "Error: pushback value was too large"
+  };
+
+--- isFinal list
+  /** the input device */
+  private java.io.Reader zzReader;
+
+  /** the current state of the DFA */
+  private int zzState;
+
+  /** the current lexical state */
+  private int zzLexicalState = YYINITIAL;
+
+  /** this buffer contains the current text to be matched and is
+      the source of the yytext() string */
+  private char zzBuffer[];
+
+  /** the textposition at the last accepting state */
+  private int zzMarkedPos;
+
+  /** the textposition at the last state to be included in yytext */
+  private int zzPushbackPos;
+
+  /** the current text position in the buffer */
+  private int zzCurrentPos;
+
+  /** startRead marks the beginning of the yytext() string in the buffer */
+  private int zzStartRead;
+
+  /** endRead marks the last character in the buffer, that has been read
+      from input */
+  private int zzEndRead;
+
+  /** number of newlines encountered up to the start of the matched text */
+  private int yyline;
+
+  /** the number of characters up to the start of the matched text */
+  private int yychar;
+
+  /**
+   * the number of characters from the last newline up to the start of the 
+   * matched text
+   */
+  private int yycolumn;
+
+  /** 
+   * zzAtBOL == true <=> the scanner is currently at the beginning of a line
+   */
+  private boolean zzAtBOL = true;
+
+  /** zzAtEOF == true <=> the scanner is at the EOF */
+  private boolean zzAtEOF;
+
+--- user class code
+
+  /**
+   * Creates a new scanner
+   * There is also a java.io.InputStream version of this constructor.
+   *
+   * @param   in  the java.io.Reader to read input from.
+   */
+--- constructor declaration
+
+
+  /**
+   * Closes the input stream.
+   */
+  public final void yyclose() throws java.io.IOException {
+    zzAtEOF = true;            /* indicate end of file */
+    zzEndRead = zzStartRead;  /* invalidate buffer    */
+
+    if (zzReader != null)
+      zzReader.close();
+  }
+
+
+  /**
+   * Enters a new lexical state
+   *
+   * @param newState the new lexical state
+   */
+  public final void yybegin(int newState) {
+    zzLexicalState = newState;
+  }
+
+
+  /**
+   * Returns the text matched by the current regular expression.
+   */
+  public final String yytext() {
+    return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
+  }
+
+
+  /**
+   * Returns the character at position <tt>pos</tt> from the 
+   * matched text. 
+   * 
+   * It is equivalent to yytext().charAt(pos), but faster
+   *
+   * @param pos the position of the character to fetch. 
+   *            A value from 0 to yylength()-1.
+   *
+   * @return the character at position pos
+   */
+  public final char yycharat(int pos) {
+    return zzBuffer[zzStartRead+pos];
+  }
+
+
+  /**
+   * Returns the length of the matched text region.
+   */
+  public final int yylength() {
+    return zzMarkedPos-zzStartRead;
+  }
+
+
+  /**
+   * Reports an error that occured while scanning.
+   *
+   * In a wellformed scanner (no or only correct usage of 
+   * yypushback(int) and a match-all fallback rule) this method 
+   * will only be called with things that "Can't Possibly Happen".
+   * If this method is called, something is seriously wrong
+   * (e.g. a JFlex bug producing a faulty scanner etc.).
+   *
+   * Usual syntax/scanner level error handling should be done
+   * in error fallback rules.
+   *
+   * @param   errorCode  the code of the errormessage to display
+   */
+--- zzScanError declaration
+    String message;
+    try {
+      message = ZZ_ERROR_MSG[errorCode];
+    }
+    catch (ArrayIndexOutOfBoundsException e) {
+      message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
+    }
+
+--- throws clause
+  } 
+
+
+  /**
+   * Pushes the specified amount of characters back into the input stream.
+   *
+   * They will be read again by then next call of the scanning method
+   *
+   * @param number  the number of characters to be read again.
+   *                This number must not be greater than yylength()!
+   */
+--- yypushback decl (contains zzScanError exception)
+    if ( number > yylength() )
+      zzScanError(ZZ_PUSHBACK_2BIG);
+
+    zzMarkedPos -= number;
+  }
+
+
+--- zzDoEOF
+  /**
+   * Resumes scanning until the next regular expression is matched,
+   * the end of input is encountered or an I/O-Error occurs.
+   *
+   * @return      the next token
+   * @exception   java.io.IOException  if any I/O-Error occurs
+   */
+--- yylex declaration
+    int zzInput;
+    int zzAction;
+
+    // cached fields:
+    int zzCurrentPosL;
+    int zzMarkedPosL;
+    int zzEndReadL = zzEndRead;
+    char [] zzBufferL = zzBuffer;
+    char [] zzCMapL = ZZ_CMAP;
+
+--- local declarations
+
+    while (true) {
+      zzMarkedPosL = zzMarkedPos;
+
+--- start admin (line, char, col count)
+      zzAction = -1;
+
+      zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
+  
+--- start admin (lexstate etc)
+
+      zzForAction: {
+        while (true) {
+    
+--- next input, line, col, char count, next transition, isFinal action
+            zzAction = zzState;
+            zzMarkedPosL = zzCurrentPosL;
+--- line count update
+          }
+
+        }
+      }
+
+      // store back cached position
+      zzMarkedPos = zzMarkedPosL;
+--- char count update
+
+--- actions
+        default: 
+          if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
+            zzAtEOF = true;
+--- eofvalue
+          } 
+          else {
+--- no match
+          }
+      }
+    }
+  }
+
+--- main
+
+}

jadx-gui/src/main/java/jadx/gui/ui/codearea/ClassCodeContentPanel.java

@@ -6,6 +6,9 @@ import java.awt.Point;
 import javax.swing.JTabbedPane;
 import javax.swing.border.EmptyBorder;
 
+import org.fife.ui.rsyntaxtextarea.AbstractTokenMakerFactory;
+import org.fife.ui.rsyntaxtextarea.TokenMakerFactory;
+
 import jadx.gui.treemodel.JNode;
 import jadx.gui.ui.TabbedPane;
 import jadx.gui.ui.panel.IViewStateSupport;
@@ -29,6 +32,10 @@ public final class ClassCodeContentPanel extends AbstractCodeContentPanel implem
 	public ClassCodeContentPanel(TabbedPane panel, JNode jnode) {
 		super(panel, jnode);
 
+		// FIXME I don't know the project very well, so need to get the right place
+		AbstractTokenMakerFactory atmf = (AbstractTokenMakerFactory) TokenMakerFactory.getDefaultInstance();
+		atmf.putMapping("text/smali", "jadx.gui.ui.codearea.SmaliTokenMaker");
+
 		javaCodePanel = new CodePanel(new CodeArea(this));
 		smaliCodePanel = new CodePanel(new SmaliArea(this));
 

jadx-gui/src/main/java/jadx/gui/ui/codearea/SmaliArea.java

@@ -162,7 +162,7 @@ public final class SmaliArea extends AbstractCodeArea {
 		public NormalModel() {
 			Theme theme = getContentPanel().getTabbedPane().getMainWindow().getEditorTheme();
 			setSyntaxScheme(theme.scheme);
-			setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVA);
+			setSyntaxEditingStyle("text/smali");
 		}
 
 		@Override