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comparison trunk/src/dil/lexer/Funcs.d @ 786:3b34f6a95a27

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Added and revised documenation comments.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Sun, 24 Feb 2008 02:41:11 +0100
parents 5e3ef1b2011c
children
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785:57ef69eced96 786:3b34f6a95a27
3 License: GPL3 3 License: GPL3
4 +/ 4 +/
5 module dil.lexer.Funcs; 5 module dil.lexer.Funcs;
6 6
7 const char[3] LS = \u2028; /// Unicode line separator. 7 const char[3] LS = \u2028; /// Unicode line separator.
8 const dchar LSd = 0x2028; /// ditto
8 const char[3] PS = \u2029; /// Unicode paragraph separator. 9 const char[3] PS = \u2029; /// Unicode paragraph separator.
9 const dchar LSd = 0x2028; 10 const dchar PSd = 0x2029; /// ditto
10 const dchar PSd = 0x2029;
11 static assert(LS[0] == PS[0] && LS[1] == PS[1]); 11 static assert(LS[0] == PS[0] && LS[1] == PS[1]);
12 12
13 const uint _Z_ = 26; /// Control+Z 13 const dchar _Z_ = 26; /// Control+Z.
14 14
15 /// Returns: true if d is a Unicode line or paragraph separator. 15 /// Returns: true if d is a Unicode line or paragraph separator.
16 bool isUnicodeNewlineChar(dchar d) 16 bool isUnicodeNewlineChar(dchar d)
17 { 17 {
18 return d == LSd || d == PSd; 18 return d == LSd || d == PSd;
91 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 91 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
92 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 92 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
93 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 93 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
94 ]; 94 ];
95 95
96 /// Enumeration of character property flags.
96 enum CProperty 97 enum CProperty
97 { 98 {
98 Octal = 1, 99 Octal = 1, /// 0-7
99 Digit = 1<<1, 100 Digit = 1<<1, /// 0-9
100 Hex = 1<<2, 101 Hex = 1<<2, /// 0-9a-fA-F
101 Alpha = 1<<3, 102 Alpha = 1<<3, /// a-zA-Z
102 Underscore = 1<<4, 103 Underscore = 1<<4, /// _
103 Whitespace = 1<<5 104 Whitespace = 1<<5 /// ' ' \t \v \f
104 } 105 }
105 106
106 const uint EVMask = 0xFF00; // Bit mask for escape value 107 const uint EVMask = 0xFF00; // Bit mask for escape value.
107 108
108 private alias CProperty CP; 109 private alias CProperty CP;
109 /// Returns: true if c is an octal digit. 110 /// Returns: true if c is an octal digit.
110 int isoctal(char c) { return ptable[c] & CP.Octal; } 111 int isoctal(char c) { return ptable[c] & CP.Octal; }
111 /// Returns: true if c is a decimal digit. 112 /// Returns: true if c is a decimal digit.