LCOV - code coverage report
Current view: top level - lib/Support - Unicode.cpp (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 20 20 100.0 %
Date: 2017-09-14 15:23:50 Functions: 3 3 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- llvm/Support/Unicode.cpp - Unicode character properties  -*- C++ -*-===//
       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             : //
      10             : // This file implements functions that allow querying certain properties of
      11             : // Unicode characters.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #include "llvm/Support/Unicode.h"
      16             : #include "llvm/Support/ConvertUTF.h"
      17             : #include "llvm/Support/UnicodeCharRanges.h"
      18             : 
      19             : namespace llvm {
      20             : namespace sys {
      21             : namespace unicode {
      22             : 
      23    19145597 : bool isPrintable(int UCS) {
      24             :   // Sorted list of non-overlapping intervals of code points that are not
      25             :   // supposed to be printable.
      26             :   static const UnicodeCharRange NonPrintableRanges[] = {
      27             :     { 0x0000, 0x001F }, { 0x007F, 0x009F }, { 0x034F, 0x034F },
      28             :     { 0x0378, 0x0379 }, { 0x037F, 0x0383 }, { 0x038B, 0x038B },
      29             :     { 0x038D, 0x038D }, { 0x03A2, 0x03A2 }, { 0x0528, 0x0530 },
      30             :     { 0x0557, 0x0558 }, { 0x0560, 0x0560 }, { 0x0588, 0x0588 },
      31             :     { 0x058B, 0x058E }, { 0x0590, 0x0590 }, { 0x05C8, 0x05CF },
      32             :     { 0x05EB, 0x05EF }, { 0x05F5, 0x0605 }, { 0x061C, 0x061D },
      33             :     { 0x06DD, 0x06DD }, { 0x070E, 0x070F }, { 0x074B, 0x074C },
      34             :     { 0x07B2, 0x07BF }, { 0x07FB, 0x07FF }, { 0x082E, 0x082F },
      35             :     { 0x083F, 0x083F }, { 0x085C, 0x085D }, { 0x085F, 0x089F },
      36             :     { 0x08A1, 0x08A1 }, { 0x08AD, 0x08E3 }, { 0x08FF, 0x08FF },
      37             :     { 0x0978, 0x0978 }, { 0x0980, 0x0980 }, { 0x0984, 0x0984 },
      38             :     { 0x098D, 0x098E }, { 0x0991, 0x0992 }, { 0x09A9, 0x09A9 },
      39             :     { 0x09B1, 0x09B1 }, { 0x09B3, 0x09B5 }, { 0x09BA, 0x09BB },
      40             :     { 0x09C5, 0x09C6 }, { 0x09C9, 0x09CA }, { 0x09CF, 0x09D6 },
      41             :     { 0x09D8, 0x09DB }, { 0x09DE, 0x09DE }, { 0x09E4, 0x09E5 },
      42             :     { 0x09FC, 0x0A00 }, { 0x0A04, 0x0A04 }, { 0x0A0B, 0x0A0E },
      43             :     { 0x0A11, 0x0A12 }, { 0x0A29, 0x0A29 }, { 0x0A31, 0x0A31 },
      44             :     { 0x0A34, 0x0A34 }, { 0x0A37, 0x0A37 }, { 0x0A3A, 0x0A3B },
      45             :     { 0x0A3D, 0x0A3D }, { 0x0A43, 0x0A46 }, { 0x0A49, 0x0A4A },
      46             :     { 0x0A4E, 0x0A50 }, { 0x0A52, 0x0A58 }, { 0x0A5D, 0x0A5D },
      47             :     { 0x0A5F, 0x0A65 }, { 0x0A76, 0x0A80 }, { 0x0A84, 0x0A84 },
      48             :     { 0x0A8E, 0x0A8E }, { 0x0A92, 0x0A92 }, { 0x0AA9, 0x0AA9 },
      49             :     { 0x0AB1, 0x0AB1 }, { 0x0AB4, 0x0AB4 }, { 0x0ABA, 0x0ABB },
      50             :     { 0x0AC6, 0x0AC6 }, { 0x0ACA, 0x0ACA }, { 0x0ACE, 0x0ACF },
      51             :     { 0x0AD1, 0x0ADF }, { 0x0AE4, 0x0AE5 }, { 0x0AF2, 0x0B00 },
      52             :     { 0x0B04, 0x0B04 }, { 0x0B0D, 0x0B0E }, { 0x0B11, 0x0B12 },
      53             :     { 0x0B29, 0x0B29 }, { 0x0B31, 0x0B31 }, { 0x0B34, 0x0B34 },
      54             :     { 0x0B3A, 0x0B3B }, { 0x0B45, 0x0B46 }, { 0x0B49, 0x0B4A },
      55             :     { 0x0B4E, 0x0B55 }, { 0x0B58, 0x0B5B }, { 0x0B5E, 0x0B5E },
      56             :     { 0x0B64, 0x0B65 }, { 0x0B78, 0x0B81 }, { 0x0B84, 0x0B84 },
      57             :     { 0x0B8B, 0x0B8D }, { 0x0B91, 0x0B91 }, { 0x0B96, 0x0B98 },
      58             :     { 0x0B9B, 0x0B9B }, { 0x0B9D, 0x0B9D }, { 0x0BA0, 0x0BA2 },
      59             :     { 0x0BA5, 0x0BA7 }, { 0x0BAB, 0x0BAD }, { 0x0BBA, 0x0BBD },
      60             :     { 0x0BC3, 0x0BC5 }, { 0x0BC9, 0x0BC9 }, { 0x0BCE, 0x0BCF },
      61             :     { 0x0BD1, 0x0BD6 }, { 0x0BD8, 0x0BE5 }, { 0x0BFB, 0x0C00 },
      62             :     { 0x0C04, 0x0C04 }, { 0x0C0D, 0x0C0D }, { 0x0C11, 0x0C11 },
      63             :     { 0x0C29, 0x0C29 }, { 0x0C34, 0x0C34 }, { 0x0C3A, 0x0C3C },
      64             :     { 0x0C45, 0x0C45 }, { 0x0C49, 0x0C49 }, { 0x0C4E, 0x0C54 },
      65             :     { 0x0C57, 0x0C57 }, { 0x0C5A, 0x0C5F }, { 0x0C64, 0x0C65 },
      66             :     { 0x0C70, 0x0C77 }, { 0x0C80, 0x0C81 }, { 0x0C84, 0x0C84 },
      67             :     { 0x0C8D, 0x0C8D }, { 0x0C91, 0x0C91 }, { 0x0CA9, 0x0CA9 },
      68             :     { 0x0CB4, 0x0CB4 }, { 0x0CBA, 0x0CBB }, { 0x0CC5, 0x0CC5 },
      69             :     { 0x0CC9, 0x0CC9 }, { 0x0CCE, 0x0CD4 }, { 0x0CD7, 0x0CDD },
      70             :     { 0x0CDF, 0x0CDF }, { 0x0CE4, 0x0CE5 }, { 0x0CF0, 0x0CF0 },
      71             :     { 0x0CF3, 0x0D01 }, { 0x0D04, 0x0D04 }, { 0x0D0D, 0x0D0D },
      72             :     { 0x0D11, 0x0D11 }, { 0x0D3B, 0x0D3C }, { 0x0D45, 0x0D45 },
      73             :     { 0x0D49, 0x0D49 }, { 0x0D4F, 0x0D56 }, { 0x0D58, 0x0D5F },
      74             :     { 0x0D64, 0x0D65 }, { 0x0D76, 0x0D78 }, { 0x0D80, 0x0D81 },
      75             :     { 0x0D84, 0x0D84 }, { 0x0D97, 0x0D99 }, { 0x0DB2, 0x0DB2 },
      76             :     { 0x0DBC, 0x0DBC }, { 0x0DBE, 0x0DBF }, { 0x0DC7, 0x0DC9 },
      77             :     { 0x0DCB, 0x0DCE }, { 0x0DD5, 0x0DD5 }, { 0x0DD7, 0x0DD7 },
      78             :     { 0x0DE0, 0x0DF1 }, { 0x0DF5, 0x0E00 }, { 0x0E3B, 0x0E3E },
      79             :     { 0x0E5C, 0x0E80 }, { 0x0E83, 0x0E83 }, { 0x0E85, 0x0E86 },
      80             :     { 0x0E89, 0x0E89 }, { 0x0E8B, 0x0E8C }, { 0x0E8E, 0x0E93 },
      81             :     { 0x0E98, 0x0E98 }, { 0x0EA0, 0x0EA0 }, { 0x0EA4, 0x0EA4 },
      82             :     { 0x0EA6, 0x0EA6 }, { 0x0EA8, 0x0EA9 }, { 0x0EAC, 0x0EAC },
      83             :     { 0x0EBA, 0x0EBA }, { 0x0EBE, 0x0EBF }, { 0x0EC5, 0x0EC5 },
      84             :     { 0x0EC7, 0x0EC7 }, { 0x0ECE, 0x0ECF }, { 0x0EDA, 0x0EDB },
      85             :     { 0x0EE0, 0x0EFF }, { 0x0F48, 0x0F48 }, { 0x0F6D, 0x0F70 },
      86             :     { 0x0F98, 0x0F98 }, { 0x0FBD, 0x0FBD }, { 0x0FCD, 0x0FCD },
      87             :     { 0x0FDB, 0x0FFF }, { 0x10C6, 0x10C6 }, { 0x10C8, 0x10CC },
      88             :     { 0x10CE, 0x10CF }, { 0x115F, 0x1160 }, { 0x1249, 0x1249 },
      89             :     { 0x124E, 0x124F }, { 0x1257, 0x1257 }, { 0x1259, 0x1259 },
      90             :     { 0x125E, 0x125F }, { 0x1289, 0x1289 }, { 0x128E, 0x128F },
      91             :     { 0x12B1, 0x12B1 }, { 0x12B6, 0x12B7 }, { 0x12BF, 0x12BF },
      92             :     { 0x12C1, 0x12C1 }, { 0x12C6, 0x12C7 }, { 0x12D7, 0x12D7 },
      93             :     { 0x1311, 0x1311 }, { 0x1316, 0x1317 }, { 0x135B, 0x135C },
      94             :     { 0x137D, 0x137F }, { 0x139A, 0x139F }, { 0x13F5, 0x13FF },
      95             :     { 0x169D, 0x169F }, { 0x16F1, 0x16FF }, { 0x170D, 0x170D },
      96             :     { 0x1715, 0x171F }, { 0x1737, 0x173F }, { 0x1754, 0x175F },
      97             :     { 0x176D, 0x176D }, { 0x1771, 0x1771 }, { 0x1774, 0x177F },
      98             :     { 0x17B4, 0x17B5 }, { 0x17DE, 0x17DF }, { 0x17EA, 0x17EF },
      99             :     { 0x17FA, 0x17FF }, { 0x180B, 0x180D }, { 0x180F, 0x180F },
     100             :     { 0x181A, 0x181F }, { 0x1878, 0x187F }, { 0x18AB, 0x18AF },
     101             :     { 0x18F6, 0x18FF }, { 0x191D, 0x191F }, { 0x192C, 0x192F },
     102             :     { 0x193C, 0x193F }, { 0x1941, 0x1943 }, { 0x196E, 0x196F },
     103             :     { 0x1975, 0x197F }, { 0x19AC, 0x19AF }, { 0x19CA, 0x19CF },
     104             :     { 0x19DB, 0x19DD }, { 0x1A1C, 0x1A1D }, { 0x1A5F, 0x1A5F },
     105             :     { 0x1A7D, 0x1A7E }, { 0x1A8A, 0x1A8F }, { 0x1A9A, 0x1A9F },
     106             :     { 0x1AAE, 0x1AFF }, { 0x1B4C, 0x1B4F }, { 0x1B7D, 0x1B7F },
     107             :     { 0x1BF4, 0x1BFB }, { 0x1C38, 0x1C3A }, { 0x1C4A, 0x1C4C },
     108             :     { 0x1C80, 0x1CBF }, { 0x1CC8, 0x1CCF }, { 0x1CF7, 0x1CFF },
     109             :     { 0x1DE7, 0x1DFB }, { 0x1F16, 0x1F17 }, { 0x1F1E, 0x1F1F },
     110             :     { 0x1F46, 0x1F47 }, { 0x1F4E, 0x1F4F }, { 0x1F58, 0x1F58 },
     111             :     { 0x1F5A, 0x1F5A }, { 0x1F5C, 0x1F5C }, { 0x1F5E, 0x1F5E },
     112             :     { 0x1F7E, 0x1F7F }, { 0x1FB5, 0x1FB5 }, { 0x1FC5, 0x1FC5 },
     113             :     { 0x1FD4, 0x1FD5 }, { 0x1FDC, 0x1FDC }, { 0x1FF0, 0x1FF1 },
     114             :     { 0x1FF5, 0x1FF5 }, { 0x1FFF, 0x1FFF }, { 0x200B, 0x200F },
     115             :     { 0x202A, 0x202E }, { 0x2060, 0x206F }, { 0x2072, 0x2073 },
     116             :     { 0x208F, 0x208F }, { 0x209D, 0x209F }, { 0x20BB, 0x20CF },
     117             :     { 0x20F1, 0x20FF }, { 0x218A, 0x218F }, { 0x23F4, 0x23FF },
     118             :     { 0x2427, 0x243F }, { 0x244B, 0x245F }, { 0x2700, 0x2700 },
     119             :     { 0x2B4D, 0x2B4F }, { 0x2B5A, 0x2BFF }, { 0x2C2F, 0x2C2F },
     120             :     { 0x2C5F, 0x2C5F }, { 0x2CF4, 0x2CF8 }, { 0x2D26, 0x2D26 },
     121             :     { 0x2D28, 0x2D2C }, { 0x2D2E, 0x2D2F }, { 0x2D68, 0x2D6E },
     122             :     { 0x2D71, 0x2D7E }, { 0x2D97, 0x2D9F }, { 0x2DA7, 0x2DA7 },
     123             :     { 0x2DAF, 0x2DAF }, { 0x2DB7, 0x2DB7 }, { 0x2DBF, 0x2DBF },
     124             :     { 0x2DC7, 0x2DC7 }, { 0x2DCF, 0x2DCF }, { 0x2DD7, 0x2DD7 },
     125             :     { 0x2DDF, 0x2DDF }, { 0x2E3C, 0x2E7F }, { 0x2E9A, 0x2E9A },
     126             :     { 0x2EF4, 0x2EFF }, { 0x2FD6, 0x2FEF }, { 0x2FFC, 0x2FFF },
     127             :     { 0x3040, 0x3040 }, { 0x3097, 0x3098 }, { 0x3100, 0x3104 },
     128             :     { 0x312E, 0x3130 }, { 0x3164, 0x3164 }, { 0x318F, 0x318F },
     129             :     { 0x31BB, 0x31BF }, { 0x31E4, 0x31EF }, { 0x321F, 0x321F },
     130             :     { 0x32FF, 0x32FF }, { 0x4DB6, 0x4DBF }, { 0x9FCD, 0x9FFF },
     131             :     { 0xA48D, 0xA48F }, { 0xA4C7, 0xA4CF }, { 0xA62C, 0xA63F },
     132             :     { 0xA698, 0xA69E }, { 0xA6F8, 0xA6FF }, { 0xA78F, 0xA78F },
     133             :     { 0xA794, 0xA79F }, { 0xA7AB, 0xA7F7 }, { 0xA82C, 0xA82F },
     134             :     { 0xA83A, 0xA83F }, { 0xA878, 0xA87F }, { 0xA8C5, 0xA8CD },
     135             :     { 0xA8DA, 0xA8DF }, { 0xA8FC, 0xA8FF }, { 0xA954, 0xA95E },
     136             :     { 0xA97D, 0xA97F }, { 0xA9CE, 0xA9CE }, { 0xA9DA, 0xA9DD },
     137             :     { 0xA9E0, 0xA9FF }, { 0xAA37, 0xAA3F }, { 0xAA4E, 0xAA4F },
     138             :     { 0xAA5A, 0xAA5B }, { 0xAA7C, 0xAA7F }, { 0xAAC3, 0xAADA },
     139             :     { 0xAAF7, 0xAB00 }, { 0xAB07, 0xAB08 }, { 0xAB0F, 0xAB10 },
     140             :     { 0xAB17, 0xAB1F }, { 0xAB27, 0xAB27 }, { 0xAB2F, 0xABBF },
     141             :     { 0xABEE, 0xABEF }, { 0xABFA, 0xABFF }, { 0xD7A4, 0xD7AF },
     142             :     { 0xD7C7, 0xD7CA }, { 0xD7FC, 0xDFFF }, { 0xFA6E, 0xFA6F },
     143             :     { 0xFADA, 0xFAFF }, { 0xFB07, 0xFB12 }, { 0xFB18, 0xFB1C },
     144             :     { 0xFB37, 0xFB37 }, { 0xFB3D, 0xFB3D }, { 0xFB3F, 0xFB3F },
     145             :     { 0xFB42, 0xFB42 }, { 0xFB45, 0xFB45 }, { 0xFBC2, 0xFBD2 },
     146             :     { 0xFD40, 0xFD4F }, { 0xFD90, 0xFD91 }, { 0xFDC8, 0xFDEF },
     147             :     { 0xFDFE, 0xFE0F }, { 0xFE1A, 0xFE1F }, { 0xFE27, 0xFE2F },
     148             :     { 0xFE53, 0xFE53 }, { 0xFE67, 0xFE67 }, { 0xFE6C, 0xFE6F },
     149             :     { 0xFE75, 0xFE75 }, { 0xFEFD, 0xFEFF }, { 0xFF00, 0xFF00 },
     150             :     { 0xFFA0, 0xFFA0 }, { 0xFFBF, 0xFFC1 }, { 0xFFC8, 0xFFC9 },
     151             :     { 0xFFD0, 0xFFD1 }, { 0xFFD8, 0xFFD9 }, { 0xFFDD, 0xFFDF },
     152             :     { 0xFFE7, 0xFFE7 }, { 0xFFEF, 0xFFFB }, { 0xFFFE, 0xFFFF },
     153             :     { 0x1000C, 0x1000C }, { 0x10027, 0x10027 }, { 0x1003B, 0x1003B },
     154             :     { 0x1003E, 0x1003E }, { 0x1004E, 0x1004F }, { 0x1005E, 0x1007F },
     155             :     { 0x100FB, 0x100FF }, { 0x10103, 0x10106 }, { 0x10134, 0x10136 },
     156             :     { 0x1018B, 0x1018F }, { 0x1019C, 0x101CF }, { 0x101FE, 0x1027F },
     157             :     { 0x1029D, 0x1029F }, { 0x102D1, 0x102FF }, { 0x1031F, 0x1031F },
     158             :     { 0x10324, 0x1032F }, { 0x1034B, 0x1037F }, { 0x1039E, 0x1039E },
     159             :     { 0x103C4, 0x103C7 }, { 0x103D6, 0x103FF }, { 0x1049E, 0x1049F },
     160             :     { 0x104AA, 0x107FF }, { 0x10806, 0x10807 }, { 0x10809, 0x10809 },
     161             :     { 0x10836, 0x10836 }, { 0x10839, 0x1083B }, { 0x1083D, 0x1083E },
     162             :     { 0x10856, 0x10856 }, { 0x10860, 0x108FF }, { 0x1091C, 0x1091E },
     163             :     { 0x1093A, 0x1093E }, { 0x10940, 0x1097F }, { 0x109B8, 0x109BD },
     164             :     { 0x109C0, 0x109FF }, { 0x10A04, 0x10A04 }, { 0x10A07, 0x10A0B },
     165             :     { 0x10A14, 0x10A14 }, { 0x10A18, 0x10A18 }, { 0x10A34, 0x10A37 },
     166             :     { 0x10A3B, 0x10A3E }, { 0x10A48, 0x10A4F }, { 0x10A59, 0x10A5F },
     167             :     { 0x10A80, 0x10AFF }, { 0x10B36, 0x10B38 }, { 0x10B56, 0x10B57 },
     168             :     { 0x10B73, 0x10B77 }, { 0x10B80, 0x10BFF }, { 0x10C49, 0x10E5F },
     169             :     { 0x10E7F, 0x10FFF }, { 0x1104E, 0x11051 }, { 0x11070, 0x1107F },
     170             :     { 0x110BD, 0x110BD }, { 0x110C2, 0x110CF }, { 0x110E9, 0x110EF },
     171             :     { 0x110FA, 0x110FF }, { 0x11135, 0x11135 }, { 0x11144, 0x1117F },
     172             :     { 0x111C9, 0x111CF }, { 0x111DA, 0x1167F }, { 0x116B8, 0x116BF },
     173             :     { 0x116CA, 0x11FFF }, { 0x1236F, 0x123FF }, { 0x12463, 0x1246F },
     174             :     { 0x12474, 0x12FFF }, { 0x1342F, 0x167FF }, { 0x16A39, 0x16EFF },
     175             :     { 0x16F45, 0x16F4F }, { 0x16F7F, 0x16F8E }, { 0x16FA0, 0x1AFFF },
     176             :     { 0x1B002, 0x1CFFF }, { 0x1D0F6, 0x1D0FF }, { 0x1D127, 0x1D128 },
     177             :     { 0x1D173, 0x1D17A }, { 0x1D1DE, 0x1D1FF }, { 0x1D246, 0x1D2FF },
     178             :     { 0x1D357, 0x1D35F }, { 0x1D372, 0x1D3FF }, { 0x1D455, 0x1D455 },
     179             :     { 0x1D49D, 0x1D49D }, { 0x1D4A0, 0x1D4A1 }, { 0x1D4A3, 0x1D4A4 },
     180             :     { 0x1D4A7, 0x1D4A8 }, { 0x1D4AD, 0x1D4AD }, { 0x1D4BA, 0x1D4BA },
     181             :     { 0x1D4BC, 0x1D4BC }, { 0x1D4C4, 0x1D4C4 }, { 0x1D506, 0x1D506 },
     182             :     { 0x1D50B, 0x1D50C }, { 0x1D515, 0x1D515 }, { 0x1D51D, 0x1D51D },
     183             :     { 0x1D53A, 0x1D53A }, { 0x1D53F, 0x1D53F }, { 0x1D545, 0x1D545 },
     184             :     { 0x1D547, 0x1D549 }, { 0x1D551, 0x1D551 }, { 0x1D6A6, 0x1D6A7 },
     185             :     { 0x1D7CC, 0x1D7CD }, { 0x1D800, 0x1EDFF }, { 0x1EE04, 0x1EE04 },
     186             :     { 0x1EE20, 0x1EE20 }, { 0x1EE23, 0x1EE23 }, { 0x1EE25, 0x1EE26 },
     187             :     { 0x1EE28, 0x1EE28 }, { 0x1EE33, 0x1EE33 }, { 0x1EE38, 0x1EE38 },
     188             :     { 0x1EE3A, 0x1EE3A }, { 0x1EE3C, 0x1EE41 }, { 0x1EE43, 0x1EE46 },
     189             :     { 0x1EE48, 0x1EE48 }, { 0x1EE4A, 0x1EE4A }, { 0x1EE4C, 0x1EE4C },
     190             :     { 0x1EE50, 0x1EE50 }, { 0x1EE53, 0x1EE53 }, { 0x1EE55, 0x1EE56 },
     191             :     { 0x1EE58, 0x1EE58 }, { 0x1EE5A, 0x1EE5A }, { 0x1EE5C, 0x1EE5C },
     192             :     { 0x1EE5E, 0x1EE5E }, { 0x1EE60, 0x1EE60 }, { 0x1EE63, 0x1EE63 },
     193             :     { 0x1EE65, 0x1EE66 }, { 0x1EE6B, 0x1EE6B }, { 0x1EE73, 0x1EE73 },
     194             :     { 0x1EE78, 0x1EE78 }, { 0x1EE7D, 0x1EE7D }, { 0x1EE7F, 0x1EE7F },
     195             :     { 0x1EE8A, 0x1EE8A }, { 0x1EE9C, 0x1EEA0 }, { 0x1EEA4, 0x1EEA4 },
     196             :     { 0x1EEAA, 0x1EEAA }, { 0x1EEBC, 0x1EEEF }, { 0x1EEF2, 0x1EFFF },
     197             :     { 0x1F02C, 0x1F02F }, { 0x1F094, 0x1F09F }, { 0x1F0AF, 0x1F0B0 },
     198             :     { 0x1F0BF, 0x1F0C0 }, { 0x1F0D0, 0x1F0D0 }, { 0x1F0E0, 0x1F0FF },
     199             :     { 0x1F10B, 0x1F10F }, { 0x1F12F, 0x1F12F }, { 0x1F16C, 0x1F16F },
     200             :     { 0x1F19B, 0x1F1E5 }, { 0x1F203, 0x1F20F }, { 0x1F23B, 0x1F23F },
     201             :     { 0x1F249, 0x1F24F }, { 0x1F252, 0x1F2FF }, { 0x1F321, 0x1F32F },
     202             :     { 0x1F336, 0x1F336 }, { 0x1F37D, 0x1F37F }, { 0x1F394, 0x1F39F },
     203             :     { 0x1F3C5, 0x1F3C5 }, { 0x1F3CB, 0x1F3DF }, { 0x1F3F1, 0x1F3FF },
     204             :     { 0x1F43F, 0x1F43F }, { 0x1F441, 0x1F441 }, { 0x1F4F8, 0x1F4F8 },
     205             :     { 0x1F4FD, 0x1F4FF }, { 0x1F53E, 0x1F53F }, { 0x1F544, 0x1F54F },
     206             :     { 0x1F568, 0x1F5FA }, { 0x1F641, 0x1F644 }, { 0x1F650, 0x1F67F },
     207             :     { 0x1F6C6, 0x1F6FF }, { 0x1F774, 0x1FFFF }, { 0x2A6D7, 0x2A6FF },
     208             :     { 0x2B735, 0x2B73F }, { 0x2B81E, 0x2F7FF }, { 0x2FA1E, 0xF0000 },
     209             :     { 0xFFFFE, 0xFFFFF }, { 0x10FFFE, 0x10FFFF }
     210             :   };
     211             :   static const UnicodeCharSet NonPrintables(NonPrintableRanges);
     212             : 
     213    19145597 :   return UCS >= 0 && UCS <= 0x10FFFF && !NonPrintables.contains(UCS);
     214             : }
     215             : 
     216             : /// Gets the number of positions a character is likely to occupy when output
     217             : /// on a terminal ("character width"). This depends on the implementation of the
     218             : /// terminal, and there's no standard definition of character width.
     219             : /// The implementation defines it in a way that is expected to be compatible
     220             : /// with a generic Unicode-capable terminal.
     221             : /// \return Character width:
     222             : ///   * ErrorNonPrintableCharacter (-1) for non-printable characters (as
     223             : ///     identified by isPrintable);
     224             : ///   * 0 for non-spacing and enclosing combining marks;
     225             : ///   * 2 for CJK characters excluding halfwidth forms;
     226             : ///   * 1 for all remaining characters.
     227    15320774 : static inline int charWidth(int UCS)
     228             : {
     229    15320774 :   if (!isPrintable(UCS))
     230             :     return ErrorNonPrintableCharacter;
     231             : 
     232             :   // Sorted list of non-spacing and enclosing combining mark intervals as
     233             :   // defined in "3.6 Combination" of
     234             :   // http://www.unicode.org/versions/Unicode6.2.0/UnicodeStandard-6.2.pdf
     235             :   static const UnicodeCharRange CombiningCharacterRanges[] = {
     236             :     { 0x0300, 0x036F }, { 0x0483, 0x0489 }, { 0x0591, 0x05BD },
     237             :     { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 }, { 0x05C4, 0x05C5 },
     238             :     { 0x05C7, 0x05C7 }, { 0x0610, 0x061A }, { 0x064B, 0x065F },
     239             :     { 0x0670, 0x0670 }, { 0x06D6, 0x06DC }, { 0x06DF, 0x06E4 },
     240             :     { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED }, { 0x0711, 0x0711 },
     241             :     { 0x0730, 0x074A }, { 0x07A6, 0x07B0 }, { 0x07EB, 0x07F3 },
     242             :     { 0x0816, 0x0819 }, { 0x081B, 0x0823 }, { 0x0825, 0x0827 },
     243             :     { 0x0829, 0x082D }, { 0x0859, 0x085B }, { 0x08E4, 0x08FE },
     244             :     { 0x0900, 0x0902 }, { 0x093A, 0x093A }, { 0x093C, 0x093C },
     245             :     { 0x0941, 0x0948 }, { 0x094D, 0x094D }, { 0x0951, 0x0957 },
     246             :     { 0x0962, 0x0963 }, { 0x0981, 0x0981 }, { 0x09BC, 0x09BC },
     247             :     { 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD }, { 0x09E2, 0x09E3 },
     248             :     { 0x0A01, 0x0A02 }, { 0x0A3C, 0x0A3C }, { 0x0A41, 0x0A42 },
     249             :     { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, { 0x0A51, 0x0A51 },
     250             :     { 0x0A70, 0x0A71 }, { 0x0A75, 0x0A75 }, { 0x0A81, 0x0A82 },
     251             :     { 0x0ABC, 0x0ABC }, { 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 },
     252             :     { 0x0ACD, 0x0ACD }, { 0x0AE2, 0x0AE3 }, { 0x0B01, 0x0B01 },
     253             :     { 0x0B3C, 0x0B3C }, { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B44 },
     254             :     { 0x0B4D, 0x0B4D }, { 0x0B56, 0x0B56 }, { 0x0B62, 0x0B63 },
     255             :     { 0x0B82, 0x0B82 }, { 0x0BC0, 0x0BC0 }, { 0x0BCD, 0x0BCD },
     256             :     { 0x0C3E, 0x0C40 }, { 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D },
     257             :     { 0x0C55, 0x0C56 }, { 0x0C62, 0x0C63 }, { 0x0CBC, 0x0CBC },
     258             :     { 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD },
     259             :     { 0x0CE2, 0x0CE3 }, { 0x0D41, 0x0D44 }, { 0x0D4D, 0x0D4D },
     260             :     { 0x0D62, 0x0D63 }, { 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 },
     261             :     { 0x0DD6, 0x0DD6 }, { 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A },
     262             :     { 0x0E47, 0x0E4E }, { 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 },
     263             :     { 0x0EBB, 0x0EBC }, { 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 },
     264             :     { 0x0F35, 0x0F35 }, { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 },
     265             :     { 0x0F71, 0x0F7E }, { 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 },
     266             :     { 0x0F8D, 0x0F97 }, { 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 },
     267             :     { 0x102D, 0x1030 }, { 0x1032, 0x1037 }, { 0x1039, 0x103A },
     268             :     { 0x103D, 0x103E }, { 0x1058, 0x1059 }, { 0x105E, 0x1060 },
     269             :     { 0x1071, 0x1074 }, { 0x1082, 0x1082 }, { 0x1085, 0x1086 },
     270             :     { 0x108D, 0x108D }, { 0x109D, 0x109D }, { 0x135D, 0x135F },
     271             :     { 0x1712, 0x1714 }, { 0x1732, 0x1734 }, { 0x1752, 0x1753 },
     272             :     { 0x1772, 0x1773 }, { 0x17B4, 0x17B5 }, { 0x17B7, 0x17BD },
     273             :     { 0x17C6, 0x17C6 }, { 0x17C9, 0x17D3 }, { 0x17DD, 0x17DD },
     274             :     { 0x180B, 0x180D }, { 0x18A9, 0x18A9 }, { 0x1920, 0x1922 },
     275             :     { 0x1927, 0x1928 }, { 0x1932, 0x1932 }, { 0x1939, 0x193B },
     276             :     { 0x1A17, 0x1A18 }, { 0x1A56, 0x1A56 }, { 0x1A58, 0x1A5E },
     277             :     { 0x1A60, 0x1A60 }, { 0x1A62, 0x1A62 }, { 0x1A65, 0x1A6C },
     278             :     { 0x1A73, 0x1A7C }, { 0x1A7F, 0x1A7F }, { 0x1B00, 0x1B03 },
     279             :     { 0x1B34, 0x1B34 }, { 0x1B36, 0x1B3A }, { 0x1B3C, 0x1B3C },
     280             :     { 0x1B42, 0x1B42 }, { 0x1B6B, 0x1B73 }, { 0x1B80, 0x1B81 },
     281             :     { 0x1BA2, 0x1BA5 }, { 0x1BA8, 0x1BA9 }, { 0x1BAB, 0x1BAB },
     282             :     { 0x1BE6, 0x1BE6 }, { 0x1BE8, 0x1BE9 }, { 0x1BED, 0x1BED },
     283             :     { 0x1BEF, 0x1BF1 }, { 0x1C2C, 0x1C33 }, { 0x1C36, 0x1C37 },
     284             :     { 0x1CD0, 0x1CD2 }, { 0x1CD4, 0x1CE0 }, { 0x1CE2, 0x1CE8 },
     285             :     { 0x1CED, 0x1CED }, { 0x1CF4, 0x1CF4 }, { 0x1DC0, 0x1DE6 },
     286             :     { 0x1DFC, 0x1DFF }, { 0x20D0, 0x20F0 }, { 0x2CEF, 0x2CF1 },
     287             :     { 0x2D7F, 0x2D7F }, { 0x2DE0, 0x2DFF }, { 0x302A, 0x302D },
     288             :     { 0x3099, 0x309A }, { 0xA66F, 0xA672 }, { 0xA674, 0xA67D },
     289             :     { 0xA69F, 0xA69F }, { 0xA6F0, 0xA6F1 }, { 0xA802, 0xA802 },
     290             :     { 0xA806, 0xA806 }, { 0xA80B, 0xA80B }, { 0xA825, 0xA826 },
     291             :     { 0xA8C4, 0xA8C4 }, { 0xA8E0, 0xA8F1 }, { 0xA926, 0xA92D },
     292             :     { 0xA947, 0xA951 }, { 0xA980, 0xA982 }, { 0xA9B3, 0xA9B3 },
     293             :     { 0xA9B6, 0xA9B9 }, { 0xA9BC, 0xA9BC }, { 0xAA29, 0xAA2E },
     294             :     { 0xAA31, 0xAA32 }, { 0xAA35, 0xAA36 }, { 0xAA43, 0xAA43 },
     295             :     { 0xAA4C, 0xAA4C }, { 0xAAB0, 0xAAB0 }, { 0xAAB2, 0xAAB4 },
     296             :     { 0xAAB7, 0xAAB8 }, { 0xAABE, 0xAABF }, { 0xAAC1, 0xAAC1 },
     297             :     { 0xAAEC, 0xAAED }, { 0xAAF6, 0xAAF6 }, { 0xABE5, 0xABE5 },
     298             :     { 0xABE8, 0xABE8 }, { 0xABED, 0xABED }, { 0xFB1E, 0xFB1E },
     299             :     { 0xFE00, 0xFE0F }, { 0xFE20, 0xFE26 }, { 0x101FD, 0x101FD },
     300             :     { 0x10A01, 0x10A03 }, { 0x10A05, 0x10A06 }, { 0x10A0C, 0x10A0F },
     301             :     { 0x10A38, 0x10A3A }, { 0x10A3F, 0x10A3F }, { 0x11001, 0x11001 },
     302             :     { 0x11038, 0x11046 }, { 0x11080, 0x11081 }, { 0x110B3, 0x110B6 },
     303             :     { 0x110B9, 0x110BA }, { 0x11100, 0x11102 }, { 0x11127, 0x1112B },
     304             :     { 0x1112D, 0x11134 }, { 0x11180, 0x11181 }, { 0x111B6, 0x111BE },
     305             :     { 0x116AB, 0x116AB }, { 0x116AD, 0x116AD }, { 0x116B0, 0x116B5 },
     306             :     { 0x116B7, 0x116B7 }, { 0x16F8F, 0x16F92 }, { 0x1D167, 0x1D169 },
     307             :     { 0x1D17B, 0x1D182 }, { 0x1D185, 0x1D18B }, { 0x1D1AA, 0x1D1AD },
     308             :     { 0x1D242, 0x1D244 }, { 0xE0100, 0xE01EF },
     309             :   };
     310             :   static const UnicodeCharSet CombiningCharacters(CombiningCharacterRanges);
     311             : 
     312    15320740 :   if (CombiningCharacters.contains(UCS))
     313             :     return 0;
     314             : 
     315             :   static const UnicodeCharRange DoubleWidthCharacterRanges[] = {
     316             :     // Hangul Jamo
     317             :     { 0x1100, 0x11FF },
     318             :     // Deprecated fullwidth angle brackets
     319             :     { 0x2329, 0x232A },
     320             :     // CJK Misc, CJK Unified Ideographs, Yijing Hexagrams, Yi
     321             :     // excluding U+303F (IDEOGRAPHIC HALF FILL SPACE)
     322             :     { 0x2E80, 0x303E }, { 0x3040, 0xA4CF },
     323             :     // Hangul
     324             :     { 0xAC00, 0xD7A3 }, { 0xD7B0, 0xD7C6 }, { 0xD7CB, 0xD7FB },
     325             :     // CJK Unified Ideographs
     326             :     { 0xF900, 0xFAFF },
     327             :     // Vertical forms
     328             :     { 0xFE10, 0xFE19 },
     329             :     // CJK Compatibility Forms + Small Form Variants
     330             :     { 0xFE30, 0xFE6F },
     331             :     // Fullwidth forms
     332             :     { 0xFF01, 0xFF60 }, { 0xFFE0, 0xFFE6 },
     333             :     // CJK Unified Ideographs
     334             :     { 0x20000, 0x2A6DF }, { 0x2A700, 0x2B81F }, { 0x2F800, 0x2FA1F }
     335             :   };
     336             :   static const UnicodeCharSet DoubleWidthCharacters(DoubleWidthCharacterRanges);
     337             : 
     338    15320738 :   if (DoubleWidthCharacters.contains(UCS))
     339             :     return 2;
     340    15320087 :   return 1;
     341             : }
     342             : 
     343     4376598 : int columnWidthUTF8(StringRef Text) {
     344     4376598 :   unsigned ColumnWidth = 0;
     345             :   unsigned Length;
     346    19697338 :   for (size_t i = 0, e = Text.size(); i < e; i += Length) {
     347    30641572 :     Length = getNumBytesForUTF8(Text[i]);
     348    15320786 :     if (Length <= 0 || i + Length > Text.size())
     349          46 :       return ErrorInvalidUTF8;
     350             :     UTF32 buf[1];
     351    15320780 :     const UTF8 *Start = reinterpret_cast<const UTF8 *>(Text.data() + i);
     352    15320780 :     UTF32 *Target = &buf[0];
     353    15320780 :     if (conversionOK != ConvertUTF8toUTF32(&Start, Start + Length, &Target,
     354             :                                            Target + 1, strictConversion))
     355             :       return ErrorInvalidUTF8;
     356    15320774 :     int Width = charWidth(buf[0]);
     357    15320774 :     if (Width < 0)
     358             :       return ErrorNonPrintableCharacter;
     359    15320740 :     ColumnWidth += Width;
     360             :   }
     361     4376552 :   return ColumnWidth;
     362             : }
     363             : 
     364             : } // namespace unicode
     365             : } // namespace sys
     366             : } // namespace llvm
     367             : 

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