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 newToken(EOF);
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    ".param" { return newToken(PARAMETER_DIRECTIVE); }
258    ".end param" { 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    # [^\r\n]* { return newToken(LINE_COMMENT, true); }
381}
382
383/*Instructions*/
384<YYINITIAL> {
385    "goto" {
386        return newToken(INSTRUCTION_FORMAT10t);
387    }
388
389    "return-void" | "nop" {
390        return newToken(INSTRUCTION_FORMAT10x);
391    }
392
393    "return-void-barrier" {
394        return newToken(INSTRUCTION_FORMAT10x_ODEX);
395    }
396
397    "const/4" {
398        return newToken(INSTRUCTION_FORMAT11n);
399    }
400
401    "move-result" | "move-result-wide" | "move-result-object" | "move-exception" | "return" | "return-wide" |
402    "return-object" | "monitor-enter" | "monitor-exit" | "throw" {
403        return newToken(INSTRUCTION_FORMAT11x);
404    }
405
406    "move" | "move-wide" | "move-object" | "array-length" | "neg-int" | "not-int" | "neg-long" | "not-long" |
407    "neg-float" | "neg-double" | "int-to-long" | "int-to-float" | "int-to-double" | "long-to-int" | "long-to-float" |
408    "long-to-double" | "float-to-int" | "float-to-long" | "float-to-double" | "double-to-int" | "double-to-long" |
409    "double-to-float" | "int-to-byte" | "int-to-char" | "int-to-short" {
410        return newToken(INSTRUCTION_FORMAT12x_OR_ID);
411    }
412
413    "add-int/2addr" | "sub-int/2addr" | "mul-int/2addr" | "div-int/2addr" | "rem-int/2addr" | "and-int/2addr" |
414    "or-int/2addr" | "xor-int/2addr" | "shl-int/2addr" | "shr-int/2addr" | "ushr-int/2addr" | "add-long/2addr" |
415    "sub-long/2addr" | "mul-long/2addr" | "div-long/2addr" | "rem-long/2addr" | "and-long/2addr" | "or-long/2addr" |
416    "xor-long/2addr" | "shl-long/2addr" | "shr-long/2addr" | "ushr-long/2addr" | "add-float/2addr" |
417    "sub-float/2addr" | "mul-float/2addr" | "div-float/2addr" | "rem-float/2addr" | "add-double/2addr" |
418    "sub-double/2addr" | "mul-double/2addr" | "div-double/2addr" | "rem-double/2addr" {
419        return newToken(INSTRUCTION_FORMAT12x);
420    }
421
422    "throw-verification-error" {
423        return newToken(INSTRUCTION_FORMAT20bc);
424    }
425
426    "goto/16" {
427        return newToken(INSTRUCTION_FORMAT20t);
428    }
429
430    "sget" | "sget-wide" | "sget-object" | "sget-boolean" | "sget-byte" | "sget-char" | "sget-short" | "sput" |
431    "sput-wide" | "sput-object" | "sput-boolean" | "sput-byte" | "sput-char" | "sput-short" {
432        return newToken(INSTRUCTION_FORMAT21c_FIELD);
433    }
434
435    "sget-volatile" | "sget-wide-volatile" | "sget-object-volatile" | "sput-volatile" | "sput-wide-volatile" |
436    "sput-object-volatile" {
437        return newToken(INSTRUCTION_FORMAT21c_FIELD_ODEX);
438    }
439
440    "const-string" {
441        return newToken(INSTRUCTION_FORMAT21c_STRING);
442    }
443
444    "check-cast" | "new-instance" | "const-class" {
445        return newToken(INSTRUCTION_FORMAT21c_TYPE);
446    }
447
448    "const/high16" {
449        return newToken(INSTRUCTION_FORMAT21ih);
450    }
451
452    "const-wide/high16" {
453        return newToken(INSTRUCTION_FORMAT21lh);
454    }
455
456    "const/16" | "const-wide/16" {
457        return newToken(INSTRUCTION_FORMAT21s);
458    }
459
460    "if-eqz" | "if-nez" | "if-ltz" | "if-gez" | "if-gtz" | "if-lez" {
461        return newToken(INSTRUCTION_FORMAT21t);
462    }
463
464    "add-int/lit8" | "rsub-int/lit8" | "mul-int/lit8" | "div-int/lit8" | "rem-int/lit8" | "and-int/lit8" |
465    "or-int/lit8" | "xor-int/lit8" | "shl-int/lit8" | "shr-int/lit8" | "ushr-int/lit8" {
466        return newToken(INSTRUCTION_FORMAT22b);
467    }
468
469    "iget" | "iget-wide" | "iget-object" | "iget-boolean" | "iget-byte" | "iget-char" | "iget-short" | "iput" |
470    "iput-wide" | "iput-object" | "iput-boolean" | "iput-byte" | "iput-char" | "iput-short" {
471        return newToken(INSTRUCTION_FORMAT22c_FIELD);
472    }
473
474    "iget-volatile" | "iget-wide-volatile" | "iget-object-volatile" | "iput-volatile" | "iput-wide-volatile" |
475    "iput-object-volatile" {
476        return newToken(INSTRUCTION_FORMAT22c_FIELD_ODEX);
477    }
478
479    "instance-of" | "new-array" {
480        return newToken(INSTRUCTION_FORMAT22c_TYPE);
481    }
482
483    "iget-quick" | "iget-wide-quick" | "iget-object-quick" | "iput-quick" | "iput-wide-quick" | "iput-object-quick" {
484        return newToken(INSTRUCTION_FORMAT22cs_FIELD);
485    }
486
487    "rsub-int" {
488        return newToken(INSTRUCTION_FORMAT22s_OR_ID);
489    }
490
491    "add-int/lit16" | "mul-int/lit16" | "div-int/lit16" | "rem-int/lit16" | "and-int/lit16" | "or-int/lit16" |
492    "xor-int/lit16" {
493        return newToken(INSTRUCTION_FORMAT22s);
494    }
495
496    "if-eq" | "if-ne" | "if-lt" | "if-ge" | "if-gt" | "if-le" {
497        return newToken(INSTRUCTION_FORMAT22t);
498    }
499
500    "move/from16" | "move-wide/from16" | "move-object/from16" {
501        return newToken(INSTRUCTION_FORMAT22x);
502    }
503
504    "cmpl-float" | "cmpg-float" | "cmpl-double" | "cmpg-double" | "cmp-long" | "aget" | "aget-wide" | "aget-object" |
505    "aget-boolean" | "aget-byte" | "aget-char" | "aget-short" | "aput" | "aput-wide" | "aput-object" | "aput-boolean" |
506    "aput-byte" | "aput-char" | "aput-short" | "add-int" | "sub-int" | "mul-int" | "div-int" | "rem-int" | "and-int" |
507    "or-int" | "xor-int" | "shl-int" | "shr-int" | "ushr-int" | "add-long" | "sub-long" | "mul-long" | "div-long" |
508    "rem-long" | "and-long" | "or-long" | "xor-long" | "shl-long" | "shr-long" | "ushr-long" | "add-float" |
509    "sub-float" | "mul-float" | "div-float" | "rem-float" | "add-double" | "sub-double" | "mul-double" | "div-double" |
510    "rem-double" {
511        return newToken(INSTRUCTION_FORMAT23x);
512    }
513
514    "goto/32" {
515        return newToken(INSTRUCTION_FORMAT30t);
516    }
517
518    "const-string/jumbo" {
519        return newToken(INSTRUCTION_FORMAT31c);
520    }
521
522    "const" {
523        return newToken(INSTRUCTION_FORMAT31i_OR_ID);
524    }
525
526    "const-wide/32" {
527        return newToken(INSTRUCTION_FORMAT31i);
528    }
529
530    "fill-array-data" | "packed-switch" | "sparse-switch" {
531        return newToken(INSTRUCTION_FORMAT31t);
532    }
533
534    "move/16" | "move-wide/16" | "move-object/16" {
535        return newToken(INSTRUCTION_FORMAT32x);
536    }
537
538    "invoke-virtual" | "invoke-super" | "invoke-direct" | "invoke-static" | "invoke-interface" {
539        return newToken(INSTRUCTION_FORMAT35c_METHOD);
540    }
541
542    "invoke-direct-empty" {
543        return newToken(INSTRUCTION_FORMAT35c_METHOD_ODEX);
544    }
545
546    "filled-new-array" {
547        return newToken(INSTRUCTION_FORMAT35c_TYPE);
548    }
549
550    "execute-inline" {
551        return newToken(INSTRUCTION_FORMAT35mi_METHOD);
552    }
553
554    "invoke-virtual-quick" | "invoke-super-quick" {
555        return newToken(INSTRUCTION_FORMAT35ms_METHOD);
556    }
557
558    "invoke-virtual/range" | "invoke-super/range" | "invoke-direct/range" | "invoke-static/range" |
559    "invoke-interface/range" {
560        return newToken(INSTRUCTION_FORMAT3rc_METHOD);
561    }
562
563    "invoke-object-init/range" {
564        return newToken(INSTRUCTION_FORMAT3rc_METHOD_ODEX);
565    }
566
567    "filled-new-array/range" {
568        return newToken(INSTRUCTION_FORMAT3rc_TYPE);
569    }
570
571    "execute-inline/range" {
572        return newToken(INSTRUCTION_FORMAT3rmi_METHOD);
573    }
574
575    "invoke-virtual-quick/range" | "invoke-super-quick/range" {
576        return newToken(INSTRUCTION_FORMAT3rms_METHOD);
577    }
578
579    "const-wide" {
580        return newToken(INSTRUCTION_FORMAT51l);
581    }
582}
583
584/*Types*/
585<YYINITIAL> {
586    {PrimitiveType} { return newToken(PRIMITIVE_TYPE); }
587    V { return newToken(VOID_TYPE); }
588    {ClassDescriptor} { return newToken(CLASS_DESCRIPTOR); }
589    {ArrayDescriptor} { return newToken(ARRAY_DESCRIPTOR); }
590    {PrimitiveType} {PrimitiveType}+ { return newToken(PARAM_LIST_OR_ID); }
591    {Type} {Type}+ { return newToken(PARAM_LIST); }
592    {SimpleName} { return newToken(SIMPLE_NAME); }
593    "<" {SimpleName} ">" { return newToken(MEMBER_NAME); }
594}
595
596/*Symbols/Whitespace/EOF*/
597<YYINITIAL> {
598    ".." { return newToken(DOTDOT); }
599    "->" { return newToken(ARROW); }
600    "=" { return newToken(EQUAL); }
601    ":" { return newToken(COLON); }
602    "," { return newToken(COMMA); }
603    "{" { return newToken(OPEN_BRACE); }
604    "}" { return newToken(CLOSE_BRACE); }
605    "(" { return newToken(OPEN_PAREN); }
606    ")" { return newToken(CLOSE_PAREN); }
607    [\r\n\t ]+ { return newToken(WHITE_SPACE, true); }
608    <<EOF>> { return newToken(EOF); }
609}
610
611/*catch all*/
612<YYINITIAL> {
613    "." { return invalidToken("Invalid directive"); }
614    "." [a-zA-z\-_] { return invalidToken("Invalid directive"); }
615    "." [a-zA-z\-_] [a-zA-z0-9\-_]* { return invalidToken("Invalid directive"); }
616    . { return invalidToken("Invalid text"); }
617}
618