1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : cpp_scanner.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "precompiled_header.h"
#include "cpp_scanner.h"
#ifdef __VISUALC__
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
#endif
CppScanner::CppScanner()
: m_curr(0)
{
m_data = NULL;
m_pcurr = NULL;
m_keepComments = 0;
m_returnWhite = 0;
m_comment = wxEmptyString;
}
CppScanner::~CppScanner(void)
{
free(m_data);
}
int CppScanner::LexerInput(char *buf, int max_size)
{
if( !m_data )
return 0;
memset(buf, 0, max_size);
char *pendData = m_data + strlen(m_data);
int n = (max_size < (pendData - m_pcurr)) ? max_size : (pendData - m_pcurr);
if(n > 0)
{
memcpy(buf, m_pcurr, n);
m_pcurr += n;
}
return n;
}
void CppScanner::SetText(const char* data)
{
// release previous buffer
Reset();
m_data = strdup(data);
m_pcurr = m_data;
}
void CppScanner::Reset()
{
if(m_data)
{
free(m_data);
m_data = NULL;
m_pcurr = NULL;
m_curr = 0;
}
// Notify lex to restart its buffer
yy_flush_buffer(yy_current_buffer);
m_comment = wxEmptyString;
yylineno = 1;
}
void CppScanner::Restart()
{
char* p = strdup(m_data);
SetText( p );
free(p);
}
|
