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1 | /* |
2 | ** NetXMS - Network Management System | |
3 | ** NetXMS Scripting Language Interpreter | |
65d2c384 | 4 | ** Copyright (C) 2003-2010 Victor Kirhenshtein |
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5 | ** |
6 | ** This program is free software; you can redistribute it and/or modify | |
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7 | ** it under the terms of the GNU Lesser General Public License as published by |
8 | ** the Free Software Foundation; either version 3 of the License, or | |
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9 | ** (at your option) any later version. |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, | |
12 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ** GNU General Public License for more details. | |
15 | ** | |
65d2c384 | 16 | ** You should have received a copy of the GNU Lesser General Public License |
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17 | ** along with this program; if not, write to the Free Software |
18 | ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | ** | |
20 | ** File: instruction.cpp | |
21 | ** | |
22 | **/ | |
23 | ||
24 | #include "libnxsl.h" | |
25 | ||
26 | ||
27 | // | |
28 | // Constructors | |
29 | // | |
30 | ||
31 | NXSL_Instruction::NXSL_Instruction(int nLine, int nOpCode) | |
32 | { | |
33 | m_nOpCode = nOpCode; | |
34 | m_nSourceLine = nLine; | |
35 | m_nStackItems = 0; | |
36 | } | |
37 | ||
38 | NXSL_Instruction::NXSL_Instruction(int nLine, int nOpCode, NXSL_Value *pValue) | |
39 | { | |
40 | m_nOpCode = nOpCode; | |
41 | m_nSourceLine = nLine; | |
42 | m_operand.m_pConstant = pValue; | |
43 | m_nStackItems = 0; | |
44 | } | |
45 | ||
46 | NXSL_Instruction::NXSL_Instruction(int nLine, int nOpCode, char *pszString) | |
47 | { | |
48 | m_nOpCode = nOpCode; | |
49 | m_nSourceLine = nLine; | |
50 | m_operand.m_pszString = pszString; | |
51 | m_nStackItems = 0; | |
52 | } | |
53 | ||
54 | NXSL_Instruction::NXSL_Instruction(int nLine, int nOpCode, char *pszString, int nStackItems) | |
55 | { | |
56 | m_nOpCode = nOpCode; | |
57 | m_nSourceLine = nLine; | |
58 | m_operand.m_pszString = pszString; | |
59 | m_nStackItems = nStackItems; | |
60 | } | |
61 | ||
62 | NXSL_Instruction::NXSL_Instruction(int nLine, int nOpCode, DWORD dwAddr) | |
63 | { | |
64 | m_nOpCode = nOpCode; | |
65 | m_nSourceLine = nLine; | |
66 | m_operand.m_dwAddr = dwAddr; | |
67 | } | |
68 | ||
69 | NXSL_Instruction::NXSL_Instruction(int nLine, int nOpCode, int nStackItems) | |
70 | { | |
71 | m_nOpCode = nOpCode; | |
72 | m_nSourceLine = nLine; | |
73 | m_nStackItems = nStackItems; | |
74 | } | |
75 | ||
76 | NXSL_Instruction::NXSL_Instruction(NXSL_Instruction *pSrc) | |
77 | { | |
78 | m_nOpCode = pSrc->m_nOpCode; | |
79 | m_nSourceLine = pSrc->m_nSourceLine; | |
80 | m_nStackItems = pSrc->m_nStackItems; | |
81 | switch(m_nOpCode) | |
82 | { | |
83 | case OPCODE_PUSH_CONSTANT: | |
84 | m_operand.m_pConstant = new NXSL_Value(pSrc->m_operand.m_pConstant); | |
85 | break; | |
86 | case OPCODE_PUSH_VARIABLE: | |
87 | case OPCODE_SET: | |
88 | case OPCODE_CALL_EXTERNAL: | |
89 | case OPCODE_BIND: | |
90 | case OPCODE_ARRAY: | |
91 | case OPCODE_INC: | |
92 | case OPCODE_DEC: | |
93 | case OPCODE_INCP: | |
94 | case OPCODE_DECP: | |
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95 | case OPCODE_GET_ATTRIBUTE: |
96 | case OPCODE_SET_ATTRIBUTE: | |
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97 | m_operand.m_pszString = strdup(pSrc->m_operand.m_pszString); |
98 | break; | |
99 | default: | |
100 | m_operand.m_dwAddr = pSrc->m_operand.m_dwAddr; | |
101 | break; | |
102 | } | |
103 | } | |
104 | ||
105 | ||
106 | // | |
107 | // Destructor | |
108 | // | |
109 | ||
110 | NXSL_Instruction::~NXSL_Instruction() | |
111 | { | |
112 | switch(m_nOpCode) | |
113 | { | |
114 | case OPCODE_PUSH_VARIABLE: | |
115 | case OPCODE_CALL_EXTERNAL: | |
116 | case OPCODE_SET: | |
117 | case OPCODE_BIND: | |
118 | case OPCODE_ARRAY: | |
119 | case OPCODE_INC: | |
120 | case OPCODE_DEC: | |
121 | case OPCODE_INCP: | |
122 | case OPCODE_DECP: | |
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123 | case OPCODE_GET_ATTRIBUTE: |
124 | case OPCODE_SET_ATTRIBUTE: | |
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125 | safe_free(m_operand.m_pszString); |
126 | break; | |
127 | case OPCODE_PUSH_CONSTANT: | |
128 | delete m_operand.m_pConstant; | |
129 | break; | |
130 | default: | |
131 | break; | |
132 | } | |
133 | } |