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1 | // Copyright (c) 1998-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | |
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16 | #include <Standard_ErrorHandler.hxx> |
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17 | #include <Standard_Failure.hxx> |
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18 | #include <Standard_Macro.hxx> |
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19 | #include <Standard_NoSuchObject.hxx> |
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20 | #include <Standard_PCharacter.hxx> |
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21 | #include <Standard_Type.hxx> |
22 | #include <Standard_TypeMismatch.hxx> |
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23 | |
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24 | #include <string.h> |
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25 | IMPLEMENT_STANDARD_RTTIEXT(Standard_Failure,Standard_Transient) |
26 | |
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27 | static Standard_CString allocate_message(const Standard_CString AString) |
28 | { |
29 | Standard_CString aStr = 0; |
30 | if(AString) { |
31 | const Standard_Size aLen = strlen(AString); |
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32 | aStr = (Standard_CString) malloc(aLen+sizeof(Standard_Integer)+1); |
33 | if (aStr) { |
34 | Standard_PCharacter pStr=(Standard_PCharacter)aStr; |
35 | strcpy(pStr+sizeof(Standard_Integer),AString); |
36 | *((Standard_Integer*)aStr) = 1; |
37 | } |
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38 | } |
39 | return aStr; |
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40 | } |
41 | |
42 | static Standard_CString copy_message(Standard_CString aMessage) |
43 | { |
44 | Standard_CString aStr = 0; |
45 | if(aMessage) { |
46 | aStr = aMessage; |
47 | (*((Standard_Integer*)aStr))++; |
48 | } |
49 | return aStr; |
50 | } |
51 | |
52 | static void deallocate_message(Standard_CString aMessage) |
53 | { |
54 | if(aMessage) { |
55 | (*((Standard_Integer*)aMessage))--; |
56 | if(*((Standard_Integer*)aMessage)==0) |
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57 | free((void*)aMessage); |
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58 | } |
59 | } |
60 | |
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61 | // ****************************************************************** |
62 | // Standard_Failure * |
63 | // ****************************************************************** |
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64 | static Standard_THREADLOCAL Handle(Standard_Failure) RaisedError; |
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65 | |
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66 | // ------------------------------------------------------------------ |
67 | // |
68 | // ------------------------------------------------------------------ |
69 | Standard_Failure::Standard_Failure () |
70 | : myMessage(NULL) |
71 | { |
72 | } |
73 | |
74 | // ------------------------------------------------------------------ |
75 | // Create returns mutable Failure; |
76 | // ------------------------------------------------------------------ |
77 | Standard_Failure::Standard_Failure (const Standard_CString AString) |
78 | : myMessage(NULL) |
79 | { |
80 | myMessage = allocate_message(AString); |
81 | } |
82 | |
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83 | Standard_Failure::Standard_Failure (const Standard_Failure& theFailure) |
84 | : Standard_Transient(theFailure) |
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85 | { |
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86 | myMessage = copy_message(theFailure.myMessage); |
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87 | } |
88 | |
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89 | Standard_Failure::~Standard_Failure() |
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90 | { |
91 | deallocate_message(myMessage); |
92 | } |
93 | |
94 | void Standard_Failure::SetMessageString(const Standard_CString AString) |
95 | { |
96 | if ( AString == GetMessageString() ) return; |
97 | deallocate_message(myMessage); |
98 | myMessage = allocate_message(AString); |
99 | } |
100 | |
101 | // ------------------------------------------------------------------ |
102 | // Caught (myclass) returns mutable Failure raises NoSuchObject ; |
103 | // ------------------------------------------------------------------ |
104 | Handle(Standard_Failure) Standard_Failure::Caught() |
105 | { |
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106 | return RaisedError ; |
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107 | } |
108 | |
109 | // ------------------------------------------------------------------ |
110 | // Raise (myclass; aMessage: CString = "") ; |
111 | // ------------------------------------------------------------------ |
112 | void Standard_Failure::Raise (const Standard_CString AString) |
113 | { |
114 | Handle(Standard_Failure) E = new Standard_Failure() ; |
115 | E->Reraise (AString) ; |
116 | } |
117 | |
118 | // ------------------------------------------------------------------ |
119 | // Raise(myclass; aReason: in out SStream) ; |
120 | // ------------------------------------------------------------------ |
121 | void Standard_Failure::Raise (const Standard_SStream& AReason) |
122 | { |
123 | Handle(Standard_Failure) E = new Standard_Failure(); |
124 | E->Reraise (AReason); |
125 | } |
126 | |
127 | // ------------------------------------------------------------------ |
128 | // Reraise (me: mutable; aMessage: CString) ; |
129 | // ------------------------------------------------------------------ |
130 | void Standard_Failure::Reraise (const Standard_CString AString) |
131 | { |
132 | SetMessageString(AString); |
133 | Reraise(); |
134 | } |
135 | |
136 | void Standard_Failure::Reraise (const Standard_SStream& AReason) |
137 | { |
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138 | SetMessageString(AReason.str().c_str()); |
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139 | Reraise(); |
140 | } |
141 | |
142 | void Standard_Failure::Reraise () |
143 | { |
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144 | RaisedError = this; |
145 | Throw(); |
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146 | } |
147 | |
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148 | void Standard_Failure::Jump() |
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149 | { |
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150 | #if defined (OCC_CONVERT_SIGNALS) |
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151 | Standard_ErrorHandler::Error (this); |
152 | Standard_ErrorHandler::Abort (this); |
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153 | #else |
154 | RaisedError = this; |
155 | Throw(); |
156 | #endif |
157 | } |
158 | |
159 | |
160 | // ------------------------------------------------------------------ |
161 | // Throw (me) is virtual ; |
162 | // ------------------------------------------------------------------ |
163 | void Standard_Failure::Throw() const |
164 | { |
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165 | throw *this; |
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166 | } |
167 | |
168 | // ------------------------------------------------------------------ |
169 | // Print (me; s: in out OStream) returns OStream; |
170 | // ------------------------------------------------------------------ |
171 | void Standard_Failure::Print (Standard_OStream& AStream) const |
172 | { |
173 | if(myMessage){ |
174 | AStream << DynamicType() << ": " << GetMessageString(); |
175 | } |
176 | else { |
177 | AStream << DynamicType(); |
178 | } |
179 | } |
180 | |
181 | Handle(Standard_Failure) Standard_Failure::NewInstance(const Standard_CString AString) |
182 | { |
183 | return new Standard_Failure(AString) ; |
184 | } |
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185 | |
186 | //======================================================================= |
187 | //function : GetMessageString |
188 | //purpose : Returns error message |
189 | //======================================================================= |
190 | Standard_CString Standard_Failure::GetMessageString () const |
191 | { |
192 | return (myMessage ? myMessage+sizeof(Standard_Integer) : ""); |
193 | } |
194 | |