UnicodeCharSets.h revision 256281 
1//===--- UnicodeCharSets.h - Contains important sets of characters --------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef CLANG_LEX_UNICODECHARSETS_H
10#define CLANG_LEX_UNICODECHARSETS_H
11
12#include "llvm/ADT/ArrayRef.h"
13#include "llvm/ADT/SmallPtrSet.h"
14#include "llvm/Support/Compiler.h"
15#include "llvm/Support/Debug.h"
16#include "llvm/Support/Mutex.h"
17#include "llvm/Support/MutexGuard.h"
18#include "llvm/Support/raw_ostream.h"
19
20namespace {
21  struct UnicodeCharRange {
22    uint32_t Lower;
23    uint32_t Upper;
24  };
25  typedef llvm::ArrayRef<UnicodeCharRange> UnicodeCharSet;
26
27  typedef llvm::SmallPtrSet<const UnicodeCharRange *, 16> ValidatedCharSetsTy;
28}
29
30static inline ValidatedCharSetsTy &getValidatedCharSets() {
31  static ValidatedCharSetsTy Validated;
32  return Validated;
33}
34
35/// Returns true if each of the ranges in \p CharSet is a proper closed range
36/// [min, max], and if the ranges themselves are ordered and non-overlapping.
37static inline bool isValidCharSet(UnicodeCharSet CharSet) {
38#ifndef NDEBUG
39  static llvm::sys::Mutex ValidationMutex;
40
41  // Check the validation cache.
42  {
43    llvm::MutexGuard Guard(ValidationMutex);
44    if (getValidatedCharSets().count(CharSet.data()))
45      return true;
46  }
47
48  // Walk through the ranges.
49  uint32_t Prev = 0;
50  for (UnicodeCharSet::iterator I = CharSet.begin(), E = CharSet.end();
51       I != E; ++I) {
52    if (Prev >= I->Lower) {
53      DEBUG(llvm::dbgs() << "Upper bound 0x");
54      DEBUG(llvm::dbgs().write_hex(Prev));
55      DEBUG(llvm::dbgs() << " should be less than succeeding lower bound 0x");
56      DEBUG(llvm::dbgs().write_hex(I->Lower) << "\n");
57      return false;
58    }
59    if (I->Upper < I->Lower) {
60      DEBUG(llvm::dbgs() << "Upper bound 0x");
61      DEBUG(llvm::dbgs().write_hex(I->Lower));
62      DEBUG(llvm::dbgs() << " should not be less than lower bound 0x");
63      DEBUG(llvm::dbgs().write_hex(I->Upper) << "\n");
64      return false;
65    }
66    Prev = I->Upper;
67  }
68
69  // Update the validation cache.
70  {
71    llvm::MutexGuard Guard(ValidationMutex);
72    getValidatedCharSets().insert(CharSet.data());
73  }
74#endif
75  return true;
76}
77
78/// Returns true if the Unicode code point \p C is within the set of
79/// characters specified by \p CharSet.
80LLVM_READONLY static inline bool isCharInSet(uint32_t C,
81                                             UnicodeCharSet CharSet) {
82  assert(isValidCharSet(CharSet));
83
84  size_t LowPoint = 0;
85  size_t HighPoint = CharSet.size();
86
87  // Binary search the set of char ranges.
88  while (HighPoint != LowPoint) {
89    size_t MidPoint = (HighPoint + LowPoint) / 2;
90    if (C < CharSet[MidPoint].Lower)
91      HighPoint = MidPoint;
92    else if (C > CharSet[MidPoint].Upper)
93      LowPoint = MidPoint + 1;
94    else
95      return true;
96  }
97
98  return false;
99}
100
101
102// C11 D.1, C++11 [charname.allowed]
103static const UnicodeCharRange C11AllowedIDChars[] = {
104  // 1
105  { 0x00A8, 0x00A8 }, { 0x00AA, 0x00AA }, { 0x00AD, 0x00AD },
106  { 0x00AF, 0x00AF }, { 0x00B2, 0x00B5 }, { 0x00B7, 0x00BA },
107  { 0x00BC, 0x00BE }, { 0x00C0, 0x00D6 }, { 0x00D8, 0x00F6 },
108  { 0x00F8, 0x00FF },
109  // 2
110  { 0x0100, 0x167F }, { 0x1681, 0x180D }, { 0x180F, 0x1FFF },
111  // 3
112  { 0x200B, 0x200D }, { 0x202A, 0x202E }, { 0x203F, 0x2040 },
113  { 0x2054, 0x2054 }, { 0x2060, 0x206F },
114  // 4
115  { 0x2070, 0x218F }, { 0x2460, 0x24FF }, { 0x2776, 0x2793 },
116  { 0x2C00, 0x2DFF }, { 0x2E80, 0x2FFF },
117  // 5
118  { 0x3004, 0x3007 }, { 0x3021, 0x302F }, { 0x3031, 0x303F },
119  // 6
120  { 0x3040, 0xD7FF },
121  // 7
122  { 0xF900, 0xFD3D }, { 0xFD40, 0xFDCF }, { 0xFDF0, 0xFE44 },
123  { 0xFE47, 0xFFFD },
124  // 8
125  { 0x10000, 0x1FFFD }, { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD },
126  { 0x40000, 0x4FFFD }, { 0x50000, 0x5FFFD }, { 0x60000, 0x6FFFD },
127  { 0x70000, 0x7FFFD }, { 0x80000, 0x8FFFD }, { 0x90000, 0x9FFFD },
128  { 0xA0000, 0xAFFFD }, { 0xB0000, 0xBFFFD }, { 0xC0000, 0xCFFFD },
129  { 0xD0000, 0xDFFFD }, { 0xE0000, 0xEFFFD }
130};
131
132// C++03 [extendid]
133// Note that this is not the same as C++98, but we don't distinguish C++98
134// and C++03 in Clang.
135static const UnicodeCharRange CXX03AllowedIDChars[] = {
136  // Latin
137  { 0x00C0, 0x00D6 }, { 0x00D8, 0x00F6 }, { 0x00F8, 0x01F5 },
138  { 0x01FA, 0x0217 }, { 0x0250, 0x02A8 },
139
140  // Greek
141  { 0x0384, 0x0384 }, { 0x0388, 0x038A }, { 0x038C, 0x038C },
142  { 0x038E, 0x03A1 }, { 0x03A3, 0x03CE }, { 0x03D0, 0x03D6 },
143  { 0x03DA, 0x03DA }, { 0x03DC, 0x03DC }, { 0x03DE, 0x03DE },
144  { 0x03E0, 0x03E0 }, { 0x03E2, 0x03F3 },
145
146  // Cyrillic
147  { 0x0401, 0x040D }, { 0x040F, 0x044F }, { 0x0451, 0x045C },
148  { 0x045E, 0x0481 }, { 0x0490, 0x04C4 }, { 0x04C7, 0x04C8 },
149  { 0x04CB, 0x04CC }, { 0x04D0, 0x04EB }, { 0x04EE, 0x04F5 },
150  { 0x04F8, 0x04F9 },
151
152  // Armenian
153  { 0x0531, 0x0556 }, { 0x0561, 0x0587 },
154
155  // Hebrew
156  { 0x05D0, 0x05EA }, { 0x05F0, 0x05F4 },
157
158  // Arabic
159  { 0x0621, 0x063A }, { 0x0640, 0x0652 }, { 0x0670, 0x06B7 },
160  { 0x06BA, 0x06BE }, { 0x06C0, 0x06CE }, { 0x06E5, 0x06E7 },
161
162  // Devanagari
163  { 0x0905, 0x0939 }, { 0x0958, 0x0962 },
164
165  // Bengali
166  { 0x0985, 0x098C }, { 0x098F, 0x0990 }, { 0x0993, 0x09A8 },
167  { 0x09AA, 0x09B0 }, { 0x09B2, 0x09B2 }, { 0x09B6, 0x09B9 },
168  { 0x09DC, 0x09DD }, { 0x09DF, 0x09E1 }, { 0x09F0, 0x09F1 },
169
170  // Gurmukhi
171  { 0x0A05, 0x0A0A }, { 0x0A0F, 0x0A10 }, { 0x0A13, 0x0A28 },
172  { 0x0A2A, 0x0A30 }, { 0x0A32, 0x0A33 }, { 0x0A35, 0x0A36 },
173  { 0x0A38, 0x0A39 }, { 0x0A59, 0x0A5C }, { 0x0A5E, 0x0A5E },
174
175  // Gujarti
176  { 0x0A85, 0x0A8B }, { 0x0A8D, 0x0A8D }, { 0x0A8F, 0x0A91 },
177  { 0x0A93, 0x0AA8 }, { 0x0AAA, 0x0AB0 }, { 0x0AB2, 0x0AB3 },
178  { 0x0AB5, 0x0AB9 }, { 0x0AE0, 0x0AE0 },
179
180  // Oriya
181  { 0x0B05, 0x0B0C }, { 0x0B0F, 0x0B10 }, { 0x0B13, 0x0B28 },
182  { 0x0B2A, 0x0B30 }, { 0x0B32, 0x0B33 }, { 0x0B36, 0x0B39 },
183  { 0x0B5C, 0x0B5D }, { 0x0B5F, 0x0B61 },
184
185  // Tamil
186  { 0x0B85, 0x0B8A }, { 0x0B8E, 0x0B90 }, { 0x0B92, 0x0B95 },
187  { 0x0B99, 0x0B9A }, { 0x0B9C, 0x0B9C }, { 0x0B9E, 0x0B9F },
188  { 0x0BA3, 0x0BA4 }, { 0x0BA8, 0x0BAA }, { 0x0BAE, 0x0BB5 },
189  { 0x0BB7, 0x0BB9 },
190
191  // Telugu
192  { 0x0C05, 0x0C0C }, { 0x0C0E, 0x0C10 }, { 0x0C12, 0x0C28 },
193  { 0x0C2A, 0x0C33 }, { 0x0C35, 0x0C39 }, { 0x0C60, 0x0C61 },
194
195  // Kannada
196  { 0x0C85, 0x0C8C }, { 0x0C8E, 0x0C90 }, { 0x0C92, 0x0CA8 },
197  { 0x0CAA, 0x0CB3 }, { 0x0CB5, 0x0CB9 }, { 0x0CE0, 0x0CE1 },
198
199  // Malayam
200  { 0x0D05, 0x0D0C }, { 0x0D0E, 0x0D10 }, { 0x0D12, 0x0D28 },
201  { 0x0D2A, 0x0D39 }, { 0x0D60, 0x0D61 },
202
203  // Thai
204  { 0x0E01, 0x0E30 }, { 0x0E32, 0x0E33 }, { 0x0E40, 0x0E46 },
205  { 0x0E4F, 0x0E5B },
206
207  // Lao
208  { 0x0E81, 0x0E82 }, { 0x0E84, 0x0E84 }, { 0x0E87, 0x0E87 },
209  { 0x0E88, 0x0E88 }, { 0x0E8A, 0x0E8A }, { 0x0E8D, 0x0E8D },
210  { 0x0E94, 0x0E97 }, { 0x0E99, 0x0E9F }, { 0x0EA1, 0x0EA3 },
211  { 0x0EA5, 0x0EA5 }, { 0x0EA7, 0x0EA7 }, { 0x0EAA, 0x0EAA },
212  { 0x0EAB, 0x0EAB }, { 0x0EAD, 0x0EB0 }, { 0x0EB2, 0x0EB2 },
213  { 0x0EB3, 0x0EB3 }, { 0x0EBD, 0x0EBD }, { 0x0EC0, 0x0EC4 },
214  { 0x0EC6, 0x0EC6 },
215
216  // Georgian
217  { 0x10A0, 0x10C5 }, { 0x10D0, 0x10F6 },
218
219  // Hangul
220  { 0x1100, 0x1159 }, { 0x1161, 0x11A2 }, { 0x11A8, 0x11F9 },
221
222  // Latin (2)
223  { 0x1E00, 0x1E9A }, { 0x1EA0, 0x1EF9 },
224
225  // Greek (2)
226  { 0x1F00, 0x1F15 }, { 0x1F18, 0x1F1D }, { 0x1F20, 0x1F45 },
227  { 0x1F48, 0x1F4D }, { 0x1F50, 0x1F57 }, { 0x1F59, 0x1F59 },
228  { 0x1F5B, 0x1F5B }, { 0x1F5D, 0x1F5D }, { 0x1F5F, 0x1F7D },
229  { 0x1F80, 0x1FB4 }, { 0x1FB6, 0x1FBC }, { 0x1FC2, 0x1FC4 },
230  { 0x1FC6, 0x1FCC }, { 0x1FD0, 0x1FD3 }, { 0x1FD6, 0x1FDB },
231  { 0x1FE0, 0x1FEC }, { 0x1FF2, 0x1FF4 }, { 0x1FF6, 0x1FFC },
232
233  // Hiragana
234  { 0x3041, 0x3094 }, { 0x309B, 0x309E },
235
236  // Katakana
237  { 0x30A1, 0x30FE },
238
239  // Bopmofo [sic]
240  { 0x3105, 0x312C },
241
242  // CJK Unified Ideographs
243  { 0x4E00, 0x9FA5 }, { 0xF900, 0xFA2D }, { 0xFB1F, 0xFB36 },
244  { 0xFB38, 0xFB3C }, { 0xFB3E, 0xFB3E }, { 0xFB40, 0xFB41 },
245  { 0xFB42, 0xFB44 }, { 0xFB46, 0xFBB1 }, { 0xFBD3, 0xFD3F },
246  { 0xFD50, 0xFD8F }, { 0xFD92, 0xFDC7 }, { 0xFDF0, 0xFDFB },
247  { 0xFE70, 0xFE72 }, { 0xFE74, 0xFE74 }, { 0xFE76, 0xFEFC },
248  { 0xFF21, 0xFF3A }, { 0xFF41, 0xFF5A }, { 0xFF66, 0xFFBE },
249  { 0xFFC2, 0xFFC7 }, { 0xFFCA, 0xFFCF }, { 0xFFD2, 0xFFD7 },
250  { 0xFFDA, 0xFFDC }
251};
252
253// C99 Annex D
254static const UnicodeCharRange C99AllowedIDChars[] = {
255  // Latin (1)
256  { 0x00AA, 0x00AA },
257
258  // Special characters (1)
259  { 0x00B5, 0x00B5 }, { 0x00B7, 0x00B7 },
260
261  // Latin (2)
262  { 0x00BA, 0x00BA }, { 0x00C0, 0x00D6 }, { 0x00D8, 0x00F6 },
263  { 0x00F8, 0x01F5 }, { 0x01FA, 0x0217 }, { 0x0250, 0x02A8 },
264
265  // Special characters (2)
266  { 0x02B0, 0x02B8 }, { 0x02BB, 0x02BB }, { 0x02BD, 0x02C1 },
267  { 0x02D0, 0x02D1 }, { 0x02E0, 0x02E4 }, { 0x037A, 0x037A },
268
269  // Greek (1)
270  { 0x0386, 0x0386 }, { 0x0388, 0x038A }, { 0x038C, 0x038C },
271  { 0x038E, 0x03A1 }, { 0x03A3, 0x03CE }, { 0x03D0, 0x03D6 },
272  { 0x03DA, 0x03DA }, { 0x03DC, 0x03DC }, { 0x03DE, 0x03DE },
273  { 0x03E0, 0x03E0 }, { 0x03E2, 0x03F3 },
274
275  // Cyrillic
276  { 0x0401, 0x040C }, { 0x040E, 0x044F }, { 0x0451, 0x045C },
277  { 0x045E, 0x0481 }, { 0x0490, 0x04C4 }, { 0x04C7, 0x04C8 },
278  { 0x04CB, 0x04CC }, { 0x04D0, 0x04EB }, { 0x04EE, 0x04F5 },
279  { 0x04F8, 0x04F9 },
280
281  // Armenian (1)
282  { 0x0531, 0x0556 },
283
284  // Special characters (3)
285  { 0x0559, 0x0559 },
286
287  // Armenian (2)
288  { 0x0561, 0x0587 },
289
290  // Hebrew
291  { 0x05B0, 0x05B9 }, { 0x05BB, 0x05BD }, { 0x05BF, 0x05BF },
292  { 0x05C1, 0x05C2 }, { 0x05D0, 0x05EA }, { 0x05F0, 0x05F2 },
293
294  // Arabic (1)
295  { 0x0621, 0x063A }, { 0x0640, 0x0652 },
296
297  // Digits (1)
298  { 0x0660, 0x0669 },
299
300  // Arabic (2)
301  { 0x0670, 0x06B7 }, { 0x06BA, 0x06BE }, { 0x06C0, 0x06CE },
302  { 0x06D0, 0x06DC }, { 0x06E5, 0x06E8 }, { 0x06EA, 0x06ED },
303
304  // Digits (2)
305  { 0x06F0, 0x06F9 },
306
307  // Devanagari and Special characeter 0x093D.
308  { 0x0901, 0x0903 }, { 0x0905, 0x0939 }, { 0x093D, 0x094D },
309  { 0x0950, 0x0952 }, { 0x0958, 0x0963 },
310
311  // Digits (3)
312  { 0x0966, 0x096F },
313
314  // Bengali (1)
315  { 0x0981, 0x0983 }, { 0x0985, 0x098C }, { 0x098F, 0x0990 },
316  { 0x0993, 0x09A8 }, { 0x09AA, 0x09B0 }, { 0x09B2, 0x09B2 },
317  { 0x09B6, 0x09B9 }, { 0x09BE, 0x09C4 }, { 0x09C7, 0x09C8 },
318  { 0x09CB, 0x09CD }, { 0x09DC, 0x09DD }, { 0x09DF, 0x09E3 },
319
320  // Digits (4)
321  { 0x09E6, 0x09EF },
322
323  // Bengali (2)
324  { 0x09F0, 0x09F1 },
325
326  // Gurmukhi (1)
327  { 0x0A02, 0x0A02 }, { 0x0A05, 0x0A0A }, { 0x0A0F, 0x0A10 },
328  { 0x0A13, 0x0A28 }, { 0x0A2A, 0x0A30 }, { 0x0A32, 0x0A33 },
329  { 0x0A35, 0x0A36 }, { 0x0A38, 0x0A39 }, { 0x0A3E, 0x0A42 },
330  { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, { 0x0A59, 0x0A5C },
331  { 0x0A5E, 0x0A5E },
332
333  // Digits (5)
334  { 0x0A66, 0x0A6F },
335
336  // Gurmukhi (2)
337  { 0x0A74, 0x0A74 },
338
339  // Gujarti
340  { 0x0A81, 0x0A83 }, { 0x0A85, 0x0A8B }, { 0x0A8D, 0x0A8D },
341  { 0x0A8F, 0x0A91 }, { 0x0A93, 0x0AA8 }, { 0x0AAA, 0x0AB0 },
342  { 0x0AB2, 0x0AB3 }, { 0x0AB5, 0x0AB9 }, { 0x0ABD, 0x0AC5 },
343  { 0x0AC7, 0x0AC9 }, { 0x0ACB, 0x0ACD }, { 0x0AD0, 0x0AD0 },
344  { 0x0AE0, 0x0AE0 },
345
346  // Digits (6)
347  { 0x0AE6, 0x0AEF },
348
349  // Oriya and Special character 0x0B3D
350  { 0x0B01, 0x0B03 }, { 0x0B05, 0x0B0C }, { 0x0B0F, 0x0B10 },
351  { 0x0B13, 0x0B28 }, { 0x0B2A, 0x0B30 }, { 0x0B32, 0x0B33 },
352  { 0x0B36, 0x0B39 }, { 0x0B3D, 0x0B43 }, { 0x0B47, 0x0B48 },
353  { 0x0B4B, 0x0B4D }, { 0x0B5C, 0x0B5D }, { 0x0B5F, 0x0B61 },
354
355  // Digits (7)
356  { 0x0B66, 0x0B6F },
357
358  // Tamil
359  { 0x0B82, 0x0B83 }, { 0x0B85, 0x0B8A }, { 0x0B8E, 0x0B90 },
360  { 0x0B92, 0x0B95 }, { 0x0B99, 0x0B9A }, { 0x0B9C, 0x0B9C },
361  { 0x0B9E, 0x0B9F }, { 0x0BA3, 0x0BA4 }, { 0x0BA8, 0x0BAA },
362  { 0x0BAE, 0x0BB5 }, { 0x0BB7, 0x0BB9 }, { 0x0BBE, 0x0BC2 },
363  { 0x0BC6, 0x0BC8 }, { 0x0BCA, 0x0BCD },
364
365  // Digits (8)
366  { 0x0BE7, 0x0BEF },
367
368  // Telugu
369  { 0x0C01, 0x0C03 }, { 0x0C05, 0x0C0C }, { 0x0C0E, 0x0C10 },
370  { 0x0C12, 0x0C28 }, { 0x0C2A, 0x0C33 }, { 0x0C35, 0x0C39 },
371  { 0x0C3E, 0x0C44 }, { 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D },
372  { 0x0C60, 0x0C61 },
373
374  // Digits (9)
375  { 0x0C66, 0x0C6F },
376
377  // Kannada
378  { 0x0C82, 0x0C83 }, { 0x0C85, 0x0C8C }, { 0x0C8E, 0x0C90 },
379  { 0x0C92, 0x0CA8 }, { 0x0CAA, 0x0CB3 }, { 0x0CB5, 0x0CB9 },
380  { 0x0CBE, 0x0CC4 }, { 0x0CC6, 0x0CC8 }, { 0x0CCA, 0x0CCD },
381  { 0x0CDE, 0x0CDE }, { 0x0CE0, 0x0CE1 },
382
383  // Digits (10)
384  { 0x0CE6, 0x0CEF },
385
386  // Malayam
387  { 0x0D02, 0x0D03 }, { 0x0D05, 0x0D0C }, { 0x0D0E, 0x0D10 },
388  { 0x0D12, 0x0D28 }, { 0x0D2A, 0x0D39 }, { 0x0D3E, 0x0D43 },
389  { 0x0D46, 0x0D48 }, { 0x0D4A, 0x0D4D }, { 0x0D60, 0x0D60 },
390
391  // Digits (11)
392  { 0x0D66, 0x0D6F },
393
394  // Thai...including Digits { 0x0E50, 0x0E59 }
395  { 0x0E01, 0x0E3A }, { 0x0E40, 0x0E5B },
396
397  // Lao (1)
398  { 0x0E81, 0x0E82 }, { 0x0E84, 0x0E84 }, { 0x0E87, 0x0E88 },
399  { 0x0E8A, 0x0E8A }, { 0x0E8D, 0x0E8D }, { 0x0E94, 0x0E97 },
400  { 0x0E99, 0x0E9F }, { 0x0EA1, 0x0EA3 }, { 0x0EA5, 0x0EA5 },
401  { 0x0EA7, 0x0EA7 }, { 0x0EAA, 0x0EAB }, { 0x0EAD, 0x0EAE },
402  { 0x0EB0, 0x0EB9 }, { 0x0EBB, 0x0EBD }, { 0x0EC0, 0x0EC4 },
403  { 0x0EC6, 0x0EC6 }, { 0x0EC8, 0x0ECD },
404
405  // Digits (12)
406  { 0x0ED0, 0x0ED9 },
407
408  // Lao (2)
409  { 0x0EDC, 0x0EDD },
410
411  // Tibetan (1)
412  { 0x0F00, 0x0F00 }, { 0x0F18, 0x0F19 },
413
414  // Digits (13)
415  { 0x0F20, 0x0F33 },
416
417  // Tibetan (2)
418  { 0x0F35, 0x0F35 }, { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 },
419  { 0x0F3E, 0x0F47 }, { 0x0F49, 0x0F69 }, { 0x0F71, 0x0F84 },
420  { 0x0F86, 0x0F8B }, { 0x0F90, 0x0F95 }, { 0x0F97, 0x0F97 },
421  { 0x0F99, 0x0FAD }, { 0x0FB1, 0x0FB7 }, { 0x0FB9, 0x0FB9 },
422
423  // Georgian
424  { 0x10A0, 0x10C5 }, { 0x10D0, 0x10F6 },
425
426  // Latin (3)
427  { 0x1E00, 0x1E9B }, { 0x1EA0, 0x1EF9 },
428
429  // Greek (2)
430  { 0x1F00, 0x1F15 }, { 0x1F18, 0x1F1D }, { 0x1F20, 0x1F45 },
431  { 0x1F48, 0x1F4D }, { 0x1F50, 0x1F57 }, { 0x1F59, 0x1F59 },
432  { 0x1F5B, 0x1F5B }, { 0x1F5D, 0x1F5D }, { 0x1F5F, 0x1F7D },
433  { 0x1F80, 0x1FB4 }, { 0x1FB6, 0x1FBC },
434
435  // Special characters (4)
436  { 0x1FBE, 0x1FBE },
437
438  // Greek (3)
439  { 0x1FC2, 0x1FC4 }, { 0x1FC6, 0x1FCC }, { 0x1FD0, 0x1FD3 },
440  { 0x1FD6, 0x1FDB }, { 0x1FE0, 0x1FEC }, { 0x1FF2, 0x1FF4 },
441  { 0x1FF6, 0x1FFC },
442
443  // Special characters (5)
444  { 0x203F, 0x2040 },
445
446  // Latin (4)
447  { 0x207F, 0x207F },
448
449  // Special characters (6)
450  { 0x2102, 0x2102 }, { 0x2107, 0x2107 }, { 0x210A, 0x2113 },
451  { 0x2115, 0x2115 }, { 0x2118, 0x211D }, { 0x2124, 0x2124 },
452  { 0x2126, 0x2126 }, { 0x2128, 0x2128 }, { 0x212A, 0x2131 },
453  { 0x2133, 0x2138 }, { 0x2160, 0x2182 }, { 0x3005, 0x3007 },
454  { 0x3021, 0x3029 },
455
456  // Hiragana
457  { 0x3041, 0x3093 }, { 0x309B, 0x309C },
458
459  // Katakana
460  { 0x30A1, 0x30F6 }, { 0x30FB, 0x30FC },
461
462  // Bopmofo [sic]
463  { 0x3105, 0x312C },
464
465  // CJK Unified Ideographs
466  { 0x4E00, 0x9FA5 },
467
468  // Hangul,
469  { 0xAC00, 0xD7A3 }
470};
471
472// C11 D.2, C++11 [charname.disallowed]
473static const UnicodeCharRange C11DisallowedInitialIDChars[] = {
474  { 0x0300, 0x036F }, { 0x1DC0, 0x1DFF }, { 0x20D0, 0x20FF },
475  { 0xFE20, 0xFE2F }
476};
477
478// C99 6.4.2.1p3: The initial character [of an identifier] shall not be a
479// universal character name designating a digit.
480// C99 Annex D defines these characters as "Digits".
481static const UnicodeCharRange C99DisallowedInitialIDChars[] = {
482  { 0x0660, 0x0669 }, { 0x06F0, 0x06F9 }, { 0x0966, 0x096F },
483  { 0x09E6, 0x09EF }, { 0x0A66, 0x0A6F }, { 0x0AE6, 0x0AEF },
484  { 0x0B66, 0x0B6F }, { 0x0BE7, 0x0BEF }, { 0x0C66, 0x0C6F },
485  { 0x0CE6, 0x0CEF }, { 0x0D66, 0x0D6F }, { 0x0E50, 0x0E59 },
486  { 0x0ED0, 0x0ED9 }, { 0x0F20, 0x0F33 }
487};
488
489// Unicode v6.2, chapter 6.2, table 6-2.
490static const UnicodeCharRange UnicodeWhitespaceChars[] = {
491  { 0x0085, 0x0085 }, { 0x00A0, 0x00A0 }, { 0x1680, 0x1680 },
492  { 0x180E, 0x180E }, { 0x2000, 0x200A }, { 0x2028, 0x2029 },
493  { 0x202F, 0x202F }, { 0x205F, 0x205F }, { 0x3000, 0x3000 }
494};
495
496#endif
497