Mercurial > botc / file comparison

comparison: objwriter.h

objwriter.h

changeset 71
11f23fabf8a6
parent 70
fc257920ac00
child 72
03e4d9db3fd9
equal deleted inserted replaced
70:fc257920ac00 71:11f23fabf8a6
1 /*
2 * botc source code
3 * Copyright (C) 2012 Santeri `Dusk` Piippo
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * 3. Neither the name of the developer nor the names of its contributors may
15 * be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 * 4. Redistributions in any form must be accompanied by information on how to
18 * obtain complete source code for the software and any accompanying
19 * software that uses the software. The source code must either be included
20 * in the distribution or be available for no more than the cost of
21 * distribution plus a nominal fee, and must be freely redistributable
22 * under reasonable conditions. For an executable file, complete source
23 * code means the source code for all modules it contains. It does not
24 * include source code for modules or files that typically accompany the
25 * major components of the operating system on which the executable file
26 * runs.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #ifndef __OBJWRITER_H__
42 #define __OBJWRITER_H__
43
44 #include <stdio.h>
45 #include <typeinfo>
46 #include <string.h>
47 #include "common.h"
48 #include "str.h"
49 #include "databuffer.h"
50
51 class ObjWriter {
52 public:
53 // ====================================================================
54 // MEMBERS
55
56 // Pointer to the file we're writing to
57 FILE* fp;
58
59 // Path to the file we're writing to
60 str filepath;
61
62 // The main buffer - the contents of this is what we
63 // write to file after parsing is complete
64 DataBuffer* MainBuffer;
65
66 // onenter buffer - the contents of the onenter{} block
67 // is buffered here and is merged further at the end of state
68 DataBuffer* OnEnterBuffer;
69
70 // Mainloop buffer - the contents of the mainloop{} block
71 // is buffered here and is merged further at the end of state
72 DataBuffer* MainLoopBuffer;
73
74 // Switch buffer - switch case data is recorded to this
75 // buffer initially, instead of into main buffer.
76 DataBuffer* SwitchBuffer;
77
78 // How many bytes have we written to file?
79 unsigned int numWrittenBytes;
80
81 // How many references did we resolve in the main buffer?
82 unsigned int numWrittenReferences;
83
84 // ====================================================================
85 // METHODS
86 ObjWriter (str path);
87 void WriteString (char* s);
88 void WriteString (const char* s);
89 void WriteString (str s);
90 void WriteBuffer (DataBuffer* buf);
91 void WriteBuffers ();
92 void WriteStringTable ();
93 void WriteToFile ();
94 DataBuffer* GetCurrentBuffer ();
95
96 unsigned int AddMark (str name);
97 unsigned int FindMark (str name);
98 unsigned int AddReference (unsigned int mark);
99 void MoveMark (unsigned int mark);
100 void OffsetMark (unsigned int mark, int offset);
101 void DeleteMark (unsigned int mark);
102 template <class T> void DoWrite (const char* func, T stuff) {
103 GetCurrentBuffer ()->DoWrite (func, stuff);
104 }
105
106 // Default to word
107 void DoWrite (const char* func, word stuff) {
108 DoWrite<word> (func, stuff);
109 }
110
111 void DoWrite (const char* func, byte stuff) {
112 DoWrite<byte> (func, stuff);
113 }
114
115 private:
116 // Write given data to file.
117 template <class T> void WriteDataToFile (T stuff) {
118 // One byte at a time
119 union_t<T> uni;
120 uni.val = stuff;
121 for (unsigned int x = 0; x < sizeof (T); x++) {
122 fwrite (&uni.b[x], 1, 1, fp);
123 numWrittenBytes++;
124 }
125 }
126 };
127
128 #endif // __OBJWRITER_H__

Mercurial Repository: botc

mercurial