smaliLexer.flex revision 6c15046f2b744978bb3b03a0697d7865d132fe6e 
1package org.jf.smali;
2
3import java.io.*;
4import org.antlr.runtime.*;
5import org.jf.util.*;
6import static org.jf.smali.smaliParser.*;
7
8%%
9
10%public
11%class smaliFlexLexer
12%implements TokenSource
13%implements LexerErrorInterface
14%type Token
15%unicode
16%line
17%column
18%char
19
20%{
21    private StringBuffer sb = new StringBuffer();
22    private String stringOrCharError = null;
23    private int stringStartLine;
24    private int stringStartCol;
25    private int stringStartChar;
26
27    private int lexerErrors = 0;
28
29    private File sourceFile;
30
31    private boolean suppressErrors;
32
33    public Token nextToken() {
34        try {
35            Token token = yylex();
36            if (token instanceof InvalidToken) {
37                InvalidToken invalidToken = (InvalidToken)token;
38                if (!suppressErrors) {
39                    System.err.println(getErrorHeader(invalidToken) + " Error for input '" +
40                        invalidToken.getText() + "': " + invalidToken.getMessage());
41                }
42                lexerErrors++;
43            }
44            return token;
45        }
46        catch (java.io.IOException e) {
47            System.err.println("shouldn't happen: " + e.getMessage());
48            return Token.EOF_TOKEN;
49        }
50    }
51
52    public void setLine(int line) {
53        this.yyline = line-1;
54    }
55
56    public void setColumn(int column) {
57        this.yycolumn = column;
58    }
59
60    public int getLine() {
61        return this.yyline+1;
62    }
63
64    public int getColumn() {
65        return this.yycolumn;
66    }
67
68    public void setSuppressErrors(boolean suppressErrors) {
69        this.suppressErrors = suppressErrors;
70    }
71
72    public void setSourceFile(File sourceFile) {
73        this.sourceFile = sourceFile;
74    }
75
76    public String getSourceName() {
77        if (sourceFile == null) {
78            return "";
79        }
80        try {
81            return  PathUtil.getRelativeFile(new File("."), sourceFile).getPath();
82        } catch (IOException ex) {
83            return sourceFile.getAbsolutePath();
84        }
85    }
86
87    public int getNumberOfSyntaxErrors() {
88        return lexerErrors;
89    }
90
91    private Token newToken(int type, String text, boolean hidden) {
92        CommonToken token = new CommonToken(type, text);
93        if (hidden) {
94            token.setChannel(Token.HIDDEN_CHANNEL);
95        }
96
97        token.setStartIndex(yychar);
98        token.setStopIndex(yychar + yylength() - 1);
99        token.setLine(getLine());
100        token.setCharPositionInLine(getColumn());
101        return token;
102    }
103
104    private Token newToken(int type, String text) {
105        return newToken(type, text, false);
106    }
107
108    private Token newToken(int type, boolean hidden) {
109        return newToken(type, yytext(), hidden);
110    }
111
112    private Token newToken(int type) {
113        return newToken(type, yytext(), false);
114    }
115
116    private Token invalidToken(String message, String text) {
117        InvalidToken token = new InvalidToken(message, text);
118
119        token.setStartIndex(yychar);
120        token.setStopIndex(yychar + yylength() - 1);
121        token.setLine(getLine());
122        token.setCharPositionInLine(getColumn());
123
124        return token;
125    }
126
127    private Token invalidToken(String message) {
128        return invalidToken(message, yytext());
129    }
130
131    private void beginStringOrChar(int state) {
132        yybegin(state);
133        sb.setLength(0);
134        stringStartLine = getLine();
135        stringStartCol = getColumn();
136        stringStartChar = yychar;
137        stringOrCharError = null;
138    }
139
140    private Token endStringOrChar(int type) {
141        yybegin(YYINITIAL);
142
143        if (stringOrCharError != null) {
144            return invalidStringOrChar(stringOrCharError);
145        }
146
147        CommonToken token = new CommonToken(type, sb.toString());
148        token.setStartIndex(stringStartChar);
149        token.setStopIndex(yychar + yylength() - 1);
150        token.setLine(stringStartLine);
151        token.setCharPositionInLine(stringStartCol);
152        return token;
153    }
154
155    private void setStringOrCharError(String message) {
156        if (stringOrCharError == null) {
157            stringOrCharError = message;
158        }
159    }
160
161    private Token invalidStringOrChar(String message) {
162        yybegin(YYINITIAL);
163
164        InvalidToken token = new InvalidToken(message, sb.toString());
165        token.setStartIndex(stringStartChar);
166        token.setStopIndex(yychar + yylength() - 1);
167        token.setLine(stringStartLine);
168        token.setCharPositionInLine(stringStartCol);
169        return token;
170    }
171
172    public String getErrorHeader(InvalidToken token) {
173        return getSourceName()+"["+ token.getLine()+","+token.getCharPositionInLine()+"]";
174    }
175%}
176
177HexPrefix = 0 [xX]
178
179HexDigit = [0-9a-fA-F]
180HexDigits = [0-9a-fA-F]{4}
181FewerHexDigits = [0-9a-fA-F]{0,3}
182
183Integer1 = 0
184Integer2 = [1-9] [0-9]*
185Integer3 = 0 [0-7]+
186Integer4 = {HexPrefix} {HexDigit}+
187Integer = {Integer1} | {Integer2} | {Integer3} | {Integer4}
188
189DecimalExponent = [eE] -? [0-9]+
190
191BinaryExponent = [pP] -? [0-9]+
192
193/*This can either be a floating point number or an identifier*/
194FloatOrID1 = -? [0-9]+ {DecimalExponent}
195FloatOrID2 = -? {HexPrefix} {HexDigit}+ {BinaryExponent}
196FloatOrID3 = -? [iI][nN][fF][iI][nN][iI][tT][yY]
197FloatOrID4 = [nN][aA][nN]
198FloatOrID =  {FloatOrID1} | {FloatOrID2} | {FloatOrID3} | {FloatOrID4}
199
200
201/*This can only be a float and not an identifier, due to the decimal point*/
202Float1 = -? [0-9]+ "." [0-9]* {DecimalExponent}?
203Float2 = -? "." [0-9]+ {DecimalExponent}?
204Float3 = -? {HexPrefix} {HexDigit}+ "." {HexDigit}* {BinaryExponent}
205Float4 = -? {HexPrefix} "." {HexDigit}+ {BinaryExponent}
206Float =  {Float1} | {Float2} | {Float3} | {Float4}
207
208HighSurrogate = [\ud800-\udbff]
209
210LowSurrogate = [\udc00-\udfff]
211
212SimpleNameCharacter = ({HighSurrogate} {LowSurrogate}) | [A-Za-z0-9$\-_\u00a1-\u1fff\u2010-\u2027\u2030-\ud7ff\ue000-\uffef]
213
214SimpleName = {SimpleNameCharacter}+
215
216PrimitiveType = [ZBSCIJFD]
217
218ClassDescriptor = L ({SimpleName} "/")* {SimpleName} ;
219
220ArrayDescriptor = "[" + ({PrimitiveType} | {ClassDescriptor})
221
222Type = {PrimitiveType} | {ClassDescriptor} | {ArrayDescriptor}
223
224
225%state STRING
226%state CHAR
227
228%%
229
230/*Directives*/
231<YYINITIAL>
232{
233    ".class" { return newToken(CLASS_DIRECTIVE); }
234    ".super" { return newToken(SUPER_DIRECTIVE); }
235    ".implements" { return newToken(IMPLEMENTS_DIRECTIVE); }
236    ".source" { return newToken(SOURCE_DIRECTIVE); }
237    ".field" { return newToken(FIELD_DIRECTIVE); }
238    ".end field" { return newToken(END_FIELD_DIRECTIVE); }
239    ".subannotation" { return newToken(SUBANNOTATION_DIRECTIVE); }
240    ".end subannotation" { return newToken(END_SUBANNOTATION_DIRECTIVE); }
241    ".annotation" { return newToken(ANNOTATION_DIRECTIVE); }
242    ".end annotation" { return newToken(END_ANNOTATION_DIRECTIVE); }
243    ".enum" { return newToken(ENUM_DIRECTIVE); }
244    ".method" { return newToken(METHOD_DIRECTIVE); }
245    ".end method" { return newToken(END_METHOD_DIRECTIVE); }
246    ".registers" { return newToken(REGISTERS_DIRECTIVE); }
247    ".locals" { return newToken(LOCALS_DIRECTIVE); }
248    ".array-data" { return newToken(ARRAY_DATA_DIRECTIVE); }
249    ".end array-data" { return newToken(END_ARRAY_DATA_DIRECTIVE); }
250    ".packed-switch" { return newToken(PACKED_SWITCH_DIRECTIVE); }
251    ".end packed-switch" { return newToken(END_PACKED_SWITCH_DIRECTIVE); }
252    ".sparse-switch" { return newToken(SPARSE_SWITCH_DIRECTIVE); }
253    ".end sparse-switch" { return newToken(END_SPARSE_SWITCH_DIRECTIVE); }
254    ".catch" { return newToken(CATCH_DIRECTIVE); }
255    ".catchall" { return newToken(CATCHALL_DIRECTIVE); }
256    ".line" { return newToken(LINE_DIRECTIVE); }
257    ".parameter" { return newToken(PARAMETER_DIRECTIVE); }
258    ".end parameter" { return newToken(END_PARAMETER_DIRECTIVE); }
259    ".local" { return newToken(LOCAL_DIRECTIVE); }
260    ".end local" { return newToken(END_LOCAL_DIRECTIVE); }
261    ".restart local" { return newToken(RESTART_LOCAL_DIRECTIVE); }
262    ".prologue" { return newToken(PROLOGUE_DIRECTIVE); }
263    ".epilogue" { return newToken(EPILOGUE_DIRECTIVE); }
264
265    ".end" { return invalidToken("Invalid directive"); }
266    ".end " [a-zA-z0-9\-_]+ { return invalidToken("Invalid directive"); }
267    ".restart" { return invalidToken("Invalid directive"); }
268    ".restart " [a-zA-z0-9\-_]+ { return invalidToken("Invalid directive"); }
269}
270
271/*Literals*/
272<YYINITIAL> {
273    {Integer} { return newToken(POSITIVE_INTEGER_LITERAL); }
274    - {Integer} { return newToken(NEGATIVE_INTEGER_LITERAL); }
275    -? {Integer} [lL] { return newToken(LONG_LITERAL); }
276    -? {Integer} [sS] { return newToken(SHORT_LITERAL); }
277    -? {Integer} [tT] { return newToken(BYTE_LITERAL); }
278
279    {FloatOrID} [fF] | -? [0-9]+ [fF] { return newToken(FLOAT_LITERAL_OR_ID); }
280    {FloatOrID} [dD]? | -? [0-9]+ [dD] { return newToken(DOUBLE_LITERAL_OR_ID); }
281    {Float} [fF] { return newToken(FLOAT_LITERAL); }
282    {Float} [dD]? { return newToken(DOUBLE_LITERAL); }
283
284    "true"|"false" { return newToken(BOOL_LITERAL); }
285    "null" { return newToken(NULL_LITERAL); }
286
287    "\"" { beginStringOrChar(STRING); sb.append('"'); }
288
289    ' { beginStringOrChar(CHAR); sb.append('\''); }
290}
291
292<STRING> {
293    "\""  { sb.append('"'); return endStringOrChar(STRING_LITERAL); }
294
295    [^\r\n\"\\]+ { sb.append(yytext()); }
296    "\\b" { sb.append('\b'); }
297    "\\t" { sb.append('\t'); }
298    "\\n" { sb.append('\n'); }
299    "\\f" { sb.append('\f'); }
300    "\\r" { sb.append('\r'); }
301    "\\'" { sb.append('\''); }
302    "\\\"" { sb.append('"'); }
303    "\\\\" { sb.append('\\'); }
304    "\\u" {HexDigits} { sb.append((char)Integer.parseInt(yytext().substring(2,6), 16)); }
305
306    "\\u" {FewerHexDigits} {
307        sb.append(yytext());
308        setStringOrCharError("Invalid \\u sequence. \\u must be followed by 4 hex digits");
309    }
310
311    "\\" [^btnfr'\"\\u] {
312        sb.append(yytext());
313        setStringOrCharError("Invalid escape sequence " + yytext());
314    }
315
316    [\r\n] { return invalidStringOrChar("Unterminated string literal"); }
317    <<EOF>> { return invalidStringOrChar("Unterminated string literal"); }
318}
319
320<CHAR> {
321    ' {
322        sb.append('\'');
323        if (sb.length() == 2) {
324            return invalidStringOrChar("Empty character literal");
325        } else if (sb.length() > 3) {
326            return invalidStringOrChar("Character literal with multiple chars");
327        }
328
329        return endStringOrChar(CHAR_LITERAL);
330    }
331
332    [^\r\n'\\]+ { sb.append(yytext()); }
333    "\\b" { sb.append('\b'); }
334    "\\t" { sb.append('\t'); }
335    "\\n" { sb.append('\n'); }
336    "\\f" { sb.append('\f'); }
337    "\\r" { sb.append('\r'); }
338    "\\'" { sb.append('\''); }
339    "\\\"" { sb.append('"'); }
340    "\\\\" { sb.append('\\'); }
341    "\\u" {HexDigits} { sb.append((char)Integer.parseInt(yytext().substring(2,6), 16)); }
342
343    "\\u" {HexDigit}* {
344        sb.append(yytext());
345        setStringOrCharError("Invalid \\u sequence. \\u must be followed by exactly 4 hex digits");
346    }
347
348    "\\" [^btnfr'\"\\u] {
349        sb.append(yytext());
350        setStringOrCharError("Invalid escape sequence " + yytext());
351    }
352
353    [\r\n] { return invalidStringOrChar("Unterminated character literal"); }
354    <<EOF>> { return invalidStringOrChar("Unterminated character literal"); }
355}
356
357/*Misc*/
358<YYINITIAL> {
359    [vp] [0-9]+ { return newToken(REGISTER); }
360
361    "build" | "runtime" | "system" {
362        return newToken(ANNOTATION_VISIBILITY);
363    }
364
365    "public" | "private" | "protected" | "static" | "final" | "synchronized" | "bridge" | "varargs" | "native" |
366    "abstract" | "strictfp" | "synthetic" | "constructor" | "declared-synchronized" | "interface" | "enum" |
367    "annotation" | "volatile" | "transient" {
368        return newToken(ACCESS_SPEC);
369    }
370
371    "no-error" | "generic-error" | "no-such-class" | "no-such-field" | "no-such-method" | "illegal-class-access" |
372    "illegal-field-access" | "illegal-method-access" | "class-change-error" | "instantiation-error" {
373        return newToken(VERIFICATION_ERROR_TYPE);
374    }
375
376    "inline@0x" {HexDigit}+ { return newToken(INLINE_INDEX); }
377    "vtable@0x" {HexDigit}+ { return newToken(VTABLE_INDEX); }
378    "field@0x" {HexDigit}+ { return newToken(FIELD_OFFSET); }
379
380    "+" {Integer} { return newToken(OFFSET); }
381
382    # [^\r\n]* { return newToken(LINE_COMMENT, true); }
383}
384
385/*Instructions*/
386<YYINITIAL> {
387    "goto" {
388        return newToken(INSTRUCTION_FORMAT10t);
389    }
390
391    "return-void" | "nop" {
392        return newToken(INSTRUCTION_FORMAT10x);
393    }
394
395    "return-void-barrier" {
396        return newToken(INSTRUCTION_FORMAT10x_ODEX);
397    }
398
399    "const/4" {
400        return newToken(INSTRUCTION_FORMAT11n);
401    }
402
403    "move-result" | "move-result-wide" | "move-result-object" | "move-exception" | "return" | "return-wide" |
404    "return-object" | "monitor-enter" | "monitor-exit" | "throw" {
405        return newToken(INSTRUCTION_FORMAT11x);
406    }
407
408    "move" | "move-wide" | "move-object" | "array-length" | "neg-int" | "not-int" | "neg-long" | "not-long" |
409    "neg-float" | "neg-double" | "int-to-long" | "int-to-float" | "int-to-double" | "long-to-int" | "long-to-float" |
410    "long-to-double" | "float-to-int" | "float-to-long" | "float-to-double" | "double-to-int" | "double-to-long" |
411    "double-to-float" | "int-to-byte" | "int-to-char" | "int-to-short" {
412        return newToken(INSTRUCTION_FORMAT12x_OR_ID);
413    }
414
415    "add-int/2addr" | "sub-int/2addr" | "mul-int/2addr" | "div-int/2addr" | "rem-int/2addr" | "and-int/2addr" |
416    "or-int/2addr" | "xor-int/2addr" | "shl-int/2addr" | "shr-int/2addr" | "ushr-int/2addr" | "add-long/2addr" |
417    "sub-long/2addr" | "mul-long/2addr" | "div-long/2addr" | "rem-long/2addr" | "and-long/2addr" | "or-long/2addr" |
418    "xor-long/2addr" | "shl-long/2addr" | "shr-long/2addr" | "ushr-long/2addr" | "add-float/2addr" |
419    "sub-float/2addr" | "mul-float/2addr" | "div-float/2addr" | "rem-float/2addr" | "add-double/2addr" |
420    "sub-double/2addr" | "mul-double/2addr" | "div-double/2addr" | "rem-double/2addr" {
421        return newToken(INSTRUCTION_FORMAT12x);
422    }
423
424    "throw-verification-error" {
425        return newToken(INSTRUCTION_FORMAT20bc);
426    }
427
428    "goto/16" {
429        return newToken(INSTRUCTION_FORMAT20t);
430    }
431
432    "sget" | "sget-wide" | "sget-object" | "sget-boolean" | "sget-byte" | "sget-char" | "sget-short" | "sput" |
433    "sput-wide" | "sput-object" | "sput-boolean" | "sput-byte" | "sput-char" | "sput-short" {
434        return newToken(INSTRUCTION_FORMAT21c_FIELD);
435    }
436
437    "sget-volatile" | "sget-wide-volatile" | "sget-object-volatile" | "sput-volatile" | "sput-wide-volatile" |
438    "sput-object-volatile" {
439        return newToken(INSTRUCTION_FORMAT21c_FIELD_ODEX);
440    }
441
442    "const-string" {
443        return newToken(INSTRUCTION_FORMAT21c_STRING);
444    }
445
446    "check-cast" | "new-instance" | "const-class" {
447        return newToken(INSTRUCTION_FORMAT21c_TYPE);
448    }
449
450    "const/high16" {
451        return newToken(INSTRUCTION_FORMAT21ih);
452    }
453
454    "const-wide/high16" {
455        return newToken(INSTRUCTION_FORMAT21lh);
456    }
457
458    "const/16" | "const-wide/16" {
459        return newToken(INSTRUCTION_FORMAT21s);
460    }
461
462    "if-eqz" | "if-nez" | "if-ltz" | "if-gez" | "if-gtz" | "if-lez" {
463        return newToken(INSTRUCTION_FORMAT21t);
464    }
465
466    "add-int/lit8" | "rsub-int/lit8" | "mul-int/lit8" | "div-int/lit8" | "rem-int/lit8" | "and-int/lit8" |
467    "or-int/lit8" | "xor-int/lit8" | "shl-int/lit8" | "shr-int/lit8" | "ushr-int/lit8" {
468        return newToken(INSTRUCTION_FORMAT22b);
469    }
470
471    "iget" | "iget-wide" | "iget-object" | "iget-boolean" | "iget-byte" | "iget-char" | "iget-short" | "iput" |
472    "iput-wide" | "iput-object" | "iput-boolean" | "iput-byte" | "iput-char" | "iput-short" {
473        return newToken(INSTRUCTION_FORMAT22c_FIELD);
474    }
475
476    "iget-volatile" | "iget-wide-volatile" | "iget-object-volatile" | "iput-volatile" | "iput-wide-volatile" |
477    "iput-object-volatile" {
478        return newToken(INSTRUCTION_FORMAT22c_FIELD_ODEX);
479    }
480
481    "instance-of" | "new-array" {
482        return newToken(INSTRUCTION_FORMAT22c_TYPE);
483    }
484
485    "iget-quick" | "iget-wide-quick" | "iget-object-quick" | "iput-quick" | "iput-wide-quick" | "iput-object-quick" {
486        return newToken(INSTRUCTION_FORMAT22cs_FIELD);
487    }
488
489    "rsub-int" {
490        return newToken(INSTRUCTION_FORMAT22s_OR_ID);
491    }
492
493    "add-int/lit16" | "mul-int/lit16" | "div-int/lit16" | "rem-int/lit16" | "and-int/lit16" | "or-int/lit16" |
494    "xor-int/lit16" {
495        return newToken(INSTRUCTION_FORMAT22s);
496    }
497
498    "if-eq" | "if-ne" | "if-lt" | "if-ge" | "if-gt" | "if-le" {
499        return newToken(INSTRUCTION_FORMAT22t);
500    }
501
502    "move/from16" | "move-wide/from16" | "move-object/from16" {
503        return newToken(INSTRUCTION_FORMAT22x);
504    }
505
506    "cmpl-float" | "cmpg-float" | "cmpl-double" | "cmpg-double" | "cmp-long" | "aget" | "aget-wide" | "aget-object" |
507    "aget-boolean" | "aget-byte" | "aget-char" | "aget-short" | "aput" | "aput-wide" | "aput-object" | "aput-boolean" |
508    "aput-byte" | "aput-char" | "aput-short" | "add-int" | "sub-int" | "mul-int" | "div-int" | "rem-int" | "and-int" |
509    "or-int" | "xor-int" | "shl-int" | "shr-int" | "ushr-int" | "add-long" | "sub-long" | "mul-long" | "div-long" |
510    "rem-long" | "and-long" | "or-long" | "xor-long" | "shl-long" | "shr-long" | "ushr-long" | "add-float" |
511    "sub-float" | "mul-float" | "div-float" | "rem-float" | "add-double" | "sub-double" | "mul-double" | "div-double" |
512    "rem-double" {
513        return newToken(INSTRUCTION_FORMAT23x);
514    }
515
516    "goto/32" {
517        return newToken(INSTRUCTION_FORMAT30t);
518    }
519
520    "const-string/jumbo" {
521        return newToken(INSTRUCTION_FORMAT31c);
522    }
523
524    "const" {
525        return newToken(INSTRUCTION_FORMAT31i_OR_ID);
526    }
527
528    "const-wide/32" {
529        return newToken(INSTRUCTION_FORMAT31i);
530    }
531
532    "fill-array-data" | "packed-switch" | "sparse-switch" {
533        return newToken(INSTRUCTION_FORMAT31t);
534    }
535
536    "move/16" | "move-wide/16" | "move-object/16" {
537        return newToken(INSTRUCTION_FORMAT32x);
538    }
539
540    "invoke-virtual" | "invoke-super" | "invoke-direct" | "invoke-static" | "invoke-interface" {
541        return newToken(INSTRUCTION_FORMAT35c_METHOD);
542    }
543
544    "invoke-direct-empty" {
545        return newToken(INSTRUCTION_FORMAT35c_METHOD_ODEX);
546    }
547
548    "filled-new-array" {
549        return newToken(INSTRUCTION_FORMAT35c_TYPE);
550    }
551
552    "execute-inline" {
553        return newToken(INSTRUCTION_FORMAT35mi_METHOD);
554    }
555
556    "invoke-virtual-quick" | "invoke-super-quick" {
557        return newToken(INSTRUCTION_FORMAT35ms_METHOD);
558    }
559
560    "invoke-virtual/range" | "invoke-super/range" | "invoke-direct/range" | "invoke-static/range" |
561    "invoke-interface/range" {
562        return newToken(INSTRUCTION_FORMAT3rc_METHOD);
563    }
564
565    "invoke-object-init/range" {
566        return newToken(INSTRUCTION_FORMAT3rc_METHOD_ODEX);
567    }
568
569    "filled-new-array/range" {
570        return newToken(INSTRUCTION_FORMAT3rc_TYPE);
571    }
572
573    "execute-inline/range" {
574        return newToken(INSTRUCTION_FORMAT3rmi_METHOD);
575    }
576
577    "invoke-virtual-quick/range" | "invoke-super-quick/range" {
578        return newToken(INSTRUCTION_FORMAT3rms_METHOD);
579    }
580
581    "const-wide" {
582        return newToken(INSTRUCTION_FORMAT51l);
583    }
584}
585
586/*Types*/
587<YYINITIAL> {
588    {PrimitiveType} { return newToken(PRIMITIVE_TYPE); }
589    V { return newToken(VOID_TYPE); }
590    {ClassDescriptor} { return newToken(CLASS_DESCRIPTOR); }
591    {ArrayDescriptor} { return newToken(ARRAY_DESCRIPTOR); }
592    {PrimitiveType} {PrimitiveType}+ { return newToken(PARAM_LIST_OR_ID); }
593    {Type} {Type}+ { return newToken(PARAM_LIST); }
594    {SimpleName} { return newToken(SIMPLE_NAME); }
595    "<init>" | "<clinit>" { return newToken(METHOD_NAME); }
596}
597
598/*Symbols/Whitespace/EOF*/
599<YYINITIAL> {
600    ".." { return newToken(DOTDOT); }
601    "->" { return newToken(ARROW); }
602    "=" { return newToken(EQUAL); }
603    ":" { return newToken(COLON); }
604    "," { return newToken(COMMA); }
605    "{" { return newToken(OPEN_BRACE); }
606    "}" { return newToken(CLOSE_BRACE); }
607    "(" { return newToken(OPEN_PAREN); }
608    ")" { return newToken(CLOSE_PAREN); }
609    [\r\n\t ]+ { return newToken(WHITE_SPACE, true); }
610    <<EOF>> { return newToken(EOF); }
611}
612
613/*catch all*/
614<YYINITIAL> {
615    "." { return invalidToken("Invalid directive"); }
616    "." [a-zA-z\-_] { return invalidToken("Invalid directive"); }
617    "." [a-zA-z\-_] [a-zA-z0-9\-_]* { return invalidToken("Invalid directive"); }
618    . { return invalidToken("Invalid text"); }
619}
620