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1 module dmd.Lstring;
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2
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114
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3 import dmd.common;
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0
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4 import dmd.Dchar;
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5
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6 struct Lstring
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7 {
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8 immutable(dchar_t)[] string_;
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9
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169
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10 __gshared static const(Lstring) zero; // 0 length string
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0
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11
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12 // No constructors because we want to be able to statically
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13 // initialize Lstring's, and Lstrings are of variable size.
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14
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15 version (M_UNICODE) {
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16 ///#define LSTRING(p,length) { length, L##p }
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17 } else {
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18 ///#define LSTRING(p,length) { length, p }
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19 }
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20
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21 ///#if __GNUC__
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22 /// #define LSTRING_EMPTY() { 0 }
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23 ///#else
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24 /// #define LSTRING_EMPTY() LSTRING("", 0)
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25 ///#endif
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26
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27 static Lstring* ctor(const(dchar_t)* p) { return ctor(p, Dchar.len(p)); }
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28
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29 static Lstring* ctor(const(dchar_t)* p, uint length)
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30 {
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31 assert(false);
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32 }
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33
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34 static uint size(uint length) { return Lstring.sizeof + (length + 1) * dchar_t.sizeof; }
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35
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36 static Lstring* alloc(uint length)
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37 {
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38 assert(false);
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39 }
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40
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41 Lstring* clone()
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42 {
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43 assert(false);
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44 }
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45
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46 uint len() { return string_.length; }
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47
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48 const(dchar_t)[] toDchars() { return string_; }
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49
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50 hash_t hash() { return Dchar.calcHash(string_.ptr, string_.length); }
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51 hash_t ihash() { return Dchar.icalcHash(string_.ptr, string_.length); }
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52
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53 static int cmp(const(Lstring)* s1, const(Lstring)* s2)
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54 {
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55 int c = s2.string_.length - s1.string_.length;
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56 return c ? c : Dchar.memcmp(s1.string_.ptr, s2.string_.ptr, s1.string_.length);
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57 }
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58
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59 static int icmp(const(Lstring)* s1, const(Lstring)* s2)
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60 {
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61 int c = s2.string_.length - s1.string_.length;
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62 return c ? c : Dchar.memicmp(s1.string_.ptr, s2.string_.ptr, s1.string_.length);
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63 }
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64
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65 Lstring* append(const(Lstring)* s)
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66 {
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67 assert(false);
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68 }
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69
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70 Lstring* substring(int start, int end)
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71 {
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72 assert(false);
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73 }
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74 } |
