Mercurial > projects > dang

annotate sema/DType.d @ 49:c7cde6af0095 new_gen

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Seperated the AST from LLVM * Changed SmallArray sligthly * Added a NullAction that doesn't do anything
author Anders Halager <halager@gmail.com>
date Sat, 26 Apr 2008 13:15:37 +0200
parents 1a7a308f75b2
children 79cb0afafabe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
1 module sema.DType;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
2
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
3 import lexer.Token,
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
4 ast.Exp;
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
5
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
6 import tango.io.Stdout;
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
7
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
8 class DType
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
9 {
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
10 private char[] id;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
11 private Location loc;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
12 public DType actual;
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
13
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
14 this(Identifier id, DType actual = null)
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
15 {
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
16 Token temp = id.token;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
17 this.id = temp.get;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
18 this.loc = temp.location;
49
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
19 this.actual = actual is null? this : actual;
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
20 }
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
21
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
22 this(char[] id, DType actual = null)
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
23 {
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
24 this.id = id;
49
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
25 this.actual = actual is null? this : actual;
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
26 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
27
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
28 int opEquals(Object o)
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
29 {
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
30 if (auto t = cast(DType)o)
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
31 return this.actual is t.actual;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
32 return 0;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
33 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
34
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
35 int opCmp(Object o)
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
36 {
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
37 if (auto t = cast(DType)o)
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
38 return cast(void*)this.actual - cast(void*)t.actual;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
39 return 0;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
40 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
41
49
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
42 /**
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
43 Hashing is done by casting the reference to a void* and taking that
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
44 value, but this gives a bad distribution of hash-values.
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
45
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
46 Multiple DType's allocated close to each other will only have a
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
47 difference in the lower bits of their hashes.
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
48 */
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
49 hash_t toHash()
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
50 {
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
51 return cast(hash_t)(cast(void*)this);
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
52 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
53
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
54 char[] name() { return id; }
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
55 Location getLoc() { return loc; }
39
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
56 int byteSize() { return 0; }
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
57
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
58 static DInteger
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
59 Bool,
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
60 Byte, UByte, Short, UShort,
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
61 Int, UInt, Long, ULong;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
62
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
63 static DType Void;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
64
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
65 static this()
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
66 {
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
67 Void = new DType("void");
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
68
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
69 Bool = new DInteger("bool", 1, false);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
70 Byte = new DInteger("byte", 8, false);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
71 UByte = new DInteger("ubyte", 8, true);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
72 Short = new DInteger("short", 16, false);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
73 UShort = new DInteger("ushort", 16, true);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
74 Int = new DInteger("int", 32, false);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
75 UInt = new DInteger("uint", 32, true);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
76 Long = new DInteger("long", 64, false);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
77 ULong = new DInteger("ulong", 64, true);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
78 }
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
79 }
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
80
49
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
81 /**
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
82 Class to represent the built-in integer types, from byte to long.
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
83 */
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
84 class DInteger : DType
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
85 {
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
86 this(char[] name, int bits, bool unsigned)
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
87 {
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
88 super(name, null);
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
89 this.bits = bits;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
90 this.unsigned = unsigned;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
91 }
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
92
39
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
93 override int byteSize() { return bits / 8; }
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
94
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
95 int bits;
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
96 bool unsigned;
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
97 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
98
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
99 class DStruct : DType
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
100 {
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
101 this(Identifier id, DType actual = null)
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
102 {
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
103 super(id, actual);
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
104 }
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
105
39
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
106 int byteSize() { return bytes_total; }
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
107
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
108 void setMembers(DType[char[]] members)
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
109 {
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
110 this.members = members;
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
111
39
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
112 foreach (type; members)
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
113 bytes_total += type.byteSize();
49
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
114 }
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
115
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 27
diff changeset
116 DType[char[]] members;
39
1a7a308f75b2 Added some struct tests, and implemented a wrong struct assignment
Anders Halager <halager@gmail.com>
parents: 37
diff changeset
117 private int bytes_total;
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
118 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
119
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
120 class DFunction : DType
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
121 {
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
122 this(Identifier id, DType actual = null)
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
123 {
27
9031487e97d7 Various changes related to DType
Anders Halager <halager@gmail.com>
parents: 26
diff changeset
124 super(id, actual);
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
125 }
49
c7cde6af0095 Seperated the AST from LLVM
Anders Halager <halager@gmail.com>
parents: 39
diff changeset
126
26
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
127 DType[] params;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
128 DType return_type;
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
129 }
b4dc2b2c0e38 Added a DType class
Anders Halager <halager@gmail.com>
parents:
diff changeset
130