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comparison dmd/identifier.c @ 1:c53b6e3fe49a trunk

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[svn r5] Initial commit. Most things are very rough.
author lindquist
date Sat, 01 Sep 2007 21:43:27 +0200
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children 788401029ecf
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0:a9e71648e74d 1:c53b6e3fe49a
1
2 // Compiler implementation of the D programming language
3 // Copyright (c) 1999-2006 by Digital Mars
4 // All Rights Reserved
5 // written by Walter Bright
6 // http://www.digitalmars.com
7 // License for redistribution is by either the Artistic License
8 // in artistic.txt, or the GNU General Public License in gnu.txt.
9 // See the included readme.txt for details.
10
11 #include <stdio.h>
12 #include <string.h>
13
14 #include "root.h"
15 #include "identifier.h"
16 #include "mars.h"
17 #include "lexer.h"
18 #include "id.h"
19
20 Identifier::Identifier(const char *string, int value)
21 {
22 //printf("Identifier('%s', %d)\n", string, value);
23 this->string = string;
24 this->value = value;
25 this->len = strlen(string);
26 }
27
28 hash_t Identifier::hashCode()
29 {
30 return String::calcHash(string);
31 }
32
33 int Identifier::equals(Object *o)
34 {
35 return this == o || memcmp(string,o->toChars(),len+1) == 0;
36 }
37
38 int Identifier::compare(Object *o)
39 {
40 return memcmp(string, o->toChars(), len + 1);
41 }
42
43 char *Identifier::toChars()
44 {
45 return (char *)string;
46 }
47
48 char *Identifier::toHChars2()
49 {
50 char *p = NULL;
51
52 if (this == Id::ctor) p = "this";
53 else if (this == Id::dtor) p = "~this";
54 else if (this == Id::classInvariant) p = "invariant";
55 else if (this == Id::unitTest) p = "unittest";
56 else if (this == Id::staticCtor) p = "static this";
57 else if (this == Id::staticDtor) p = "static ~this";
58 else if (this == Id::dollar) p = "$";
59 else if (this == Id::withSym) p = "with";
60 else if (this == Id::result) p = "result";
61 else if (this == Id::returnLabel) p = "return";
62 else
63 p = toChars();
64
65 return p;
66 }
67
68 void Identifier::print()
69 {
70 fprintf(stdmsg, "%s",string);
71 }
72
73 int Identifier::dyncast()
74 {
75 return DYNCAST_IDENTIFIER;
76 }
77
78 Identifier *Identifier::generateId(char *prefix)
79 { OutBuffer buf;
80 char *id;
81 static unsigned i;
82
83 buf.writestring(prefix);
84 buf.printf("%u", ++i);
85
86 id = buf.toChars();
87 buf.data = NULL;
88 return new Identifier(id, TOKidentifier);
89 }