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