ahe@google.com
dc099c4a00
Review URL: https://chromiumcodereview.appspot.com//9873021 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@5926 260f80e4-7a28-3924-810f-c04153c831b5
136 lines
3.1 KiB
Dart
136 lines
3.1 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#library("characters");
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final int $EOF = 0;
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final int $STX = 2;
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final int $BS = 8;
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final int $TAB = 9;
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final int $LF = 10;
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final int $VTAB = 11;
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final int $FF = 12;
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final int $CR = 13;
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final int $SPACE = 32;
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final int $BANG = 33;
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final int $DQ = 34;
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final int $HASH = 35;
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final int $$ = 36;
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final int $PERCENT = 37;
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final int $AMPERSAND = 38;
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final int $SQ = 39;
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final int $OPEN_PAREN = 40;
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final int $CLOSE_PAREN = 41;
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final int $STAR = 42;
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final int $PLUS = 43;
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final int $COMMA = 44;
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final int $MINUS = 45;
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final int $PERIOD = 46;
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final int $SLASH = 47;
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final int $0 = 48;
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final int $1 = 49;
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final int $2 = 50;
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final int $3 = 51;
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final int $4 = 52;
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final int $5 = 53;
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final int $6 = 54;
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final int $7 = 55;
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final int $8 = 56;
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final int $9 = 57;
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final int $COLON = 58;
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final int $SEMICOLON = 59;
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final int $LT = 60;
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final int $EQ = 61;
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final int $GT = 62;
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final int $QUESTION = 63;
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final int $AT = 64;
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final int $A = 65;
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final int $B = 66;
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final int $C = 67;
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final int $D = 68;
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final int $E = 69;
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final int $F = 70;
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final int $G = 71;
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final int $H = 72;
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final int $I = 73;
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final int $J = 74;
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final int $K = 75;
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final int $L = 76;
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final int $M = 77;
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final int $N = 78;
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final int $O = 79;
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final int $P = 80;
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final int $Q = 81;
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final int $R = 82;
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final int $S = 83;
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final int $T = 84;
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final int $U = 85;
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final int $V = 86;
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final int $W = 87;
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final int $X = 88;
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final int $Y = 89;
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final int $Z = 90;
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final int $OPEN_SQUARE_BRACKET = 91;
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final int $BACKSLASH = 92;
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final int $CLOSE_SQUARE_BRACKET = 93;
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final int $CARET = 94;
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final int $_ = 95;
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final int $BACKPING = 96;
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final int $a = 97;
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final int $b = 98;
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final int $c = 99;
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final int $d = 100;
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final int $e = 101;
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final int $f = 102;
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final int $g = 103;
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final int $h = 104;
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final int $i = 105;
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final int $j = 106;
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final int $k = 107;
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final int $l = 108;
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final int $m = 109;
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final int $n = 110;
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final int $o = 111;
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final int $p = 112;
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final int $q = 113;
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final int $r = 114;
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final int $s = 115;
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final int $t = 116;
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final int $u = 117;
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final int $v = 118;
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final int $w = 119;
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final int $x = 120;
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final int $y = 121;
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final int $z = 122;
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final int $OPEN_CURLY_BRACKET = 123;
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final int $BAR = 124;
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final int $CLOSE_CURLY_BRACKET = 125;
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final int $TILDE = 126;
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final int $DEL = 127;
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final int $NBSP = 160;
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final int $LS = 0x2028;
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final int $PS = 0x2029;
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final int $FIRST_SURROGATE = 0xd800;
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final int $LAST_SURROGATE = 0xdfff;
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final int $LAST_CODE_POINT = 0x10ffff;
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bool isHexDigit(int characterCode) {
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if (characterCode <= $9) return $0 <= characterCode;
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characterCode |= $a ^ $A;
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return ($a <= characterCode && characterCode <= $f);
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}
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int hexDigitValue(int hexDigit) {
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assert(isHexDigit(hexDigit));
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// hexDigit is one of '0'..'9', 'A'..'F' and 'a'..'f'.
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if (hexDigit <= $9) return hexDigit - $0;
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return (hexDigit | ($a ^ $A)) - ($a - 10);
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}
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bool isUnicodeScalarValue(int value) {
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return value < $FIRST_SURROGATE ||
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(value > $LAST_SURROGATE && value <= $LAST_CODE_POINT);
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}
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