Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "file/fcode.hxx"
21 : #include <osl/diagnose.h>
22 : #include "connectivity/sqlparse.hxx"
23 : #include <i18npool/mslangid.hxx>
24 : #include <tools/debug.hxx>
25 : #include <tools/string.hxx>
26 : #include "TConnection.hxx"
27 : #include <com/sun/star/sdb/SQLFilterOperator.hpp>
28 : #include <comphelper/types.hxx>
29 : #include <rtl/logfile.hxx>
30 :
31 : using namespace ::comphelper;
32 : using namespace connectivity;
33 : using namespace connectivity::file;
34 : using namespace ::com::sun::star::sdbc;
35 : using namespace ::com::sun::star::sdb;
36 :
37 0 : TYPEINIT0(OCode);
38 0 : TYPEINIT1(OOperand, OCode);
39 0 : TYPEINIT1(OOperandRow, OOperand);
40 0 : TYPEINIT1(OOperandAttr, OOperandRow);
41 0 : TYPEINIT1(OOperandParam, OOperandRow);
42 0 : TYPEINIT1(OOperandValue, OOperand);
43 0 : TYPEINIT1(OOperandConst, OOperandValue);
44 0 : TYPEINIT1(OOperandResult, OOperandValue);
45 0 : TYPEINIT1(OStopOperand, OOperandValue);
46 :
47 0 : TYPEINIT1(OOperator, OCode);
48 0 : TYPEINIT1(OBoolOperator,OOperator);
49 0 : TYPEINIT1(OOp_NOT, OBoolOperator);
50 0 : TYPEINIT1(OOp_AND, OBoolOperator);
51 0 : TYPEINIT1(OOp_OR, OBoolOperator);
52 0 : TYPEINIT1(OOp_ISNULL, OBoolOperator);
53 0 : TYPEINIT1(OOp_ISNOTNULL, OOp_ISNULL);
54 0 : TYPEINIT1(OOp_LIKE, OBoolOperator);
55 0 : TYPEINIT1(OOp_NOTLIKE, OOp_LIKE);
56 0 : TYPEINIT1(OOp_COMPARE, OBoolOperator);
57 0 : TYPEINIT1(ONumOperator, OOperator);
58 0 : TYPEINIT1(ONthOperator, OOperator);
59 0 : TYPEINIT1(OBinaryOperator, OOperator);
60 0 : TYPEINIT1(OUnaryOperator, OOperator);
61 :
62 : //------------------------------------------------------------------
63 : DBG_NAME(OCode )
64 0 : OCode::OCode()
65 : {
66 : DBG_CTOR(OCode ,NULL);
67 0 : }
68 : // -----------------------------------------------------------------------------
69 0 : OCode::~OCode()
70 : {
71 : DBG_DTOR(OCode,NULL);
72 0 : }
73 :
74 : //------------------------------------------------------------------
75 0 : OEvaluateSet* OOperand::preProcess(OBoolOperator* /*pOp*/, OOperand* /*pRight*/)
76 : {
77 0 : return NULL;
78 : }
79 : // -----------------------------------------------------------------------------
80 0 : OOperandRow::OOperandRow(sal_uInt16 _nPos, sal_Int32 _rType)
81 : : OOperand(_rType)
82 0 : , m_nRowPos(_nPos)
83 0 : {}
84 : //------------------------------------------------------------------
85 0 : void OOperandRow::bindValue(const OValueRefRow& _pRow)
86 : {
87 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandRow::OOperandRow" );
88 : OSL_ENSURE(_pRow.is(),"NO EMPTY row allowed!");
89 0 : m_pRow = _pRow;
90 : OSL_ENSURE(m_pRow.is() && m_nRowPos < m_pRow->get().size(),"Invalid RowPos is >= vector.size()");
91 0 : (m_pRow->get())[m_nRowPos]->setBound(sal_True);
92 0 : }
93 : // -----------------------------------------------------------------------------
94 0 : void OOperandRow::setValue(const ORowSetValue& _rVal)
95 : {
96 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandRow::setValue" );
97 : OSL_ENSURE(m_pRow.is() && m_nRowPos < m_pRow->get().size(),"Invalid RowPos is >= vector.size()");
98 0 : (*(m_pRow->get())[m_nRowPos]) = _rVal;
99 0 : }
100 : //------------------------------------------------------------------
101 0 : const ORowSetValue& OOperandRow::getValue() const
102 : {
103 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandRow::getValue" );
104 : OSL_ENSURE(m_pRow.is() && m_nRowPos < m_pRow->get().size(),"Invalid RowPos is >= vector.size()");
105 0 : return (m_pRow->get())[m_nRowPos]->getValue();
106 : }
107 :
108 : // -----------------------------------------------------------------------------
109 0 : void OOperandValue::setValue(const ORowSetValue& _rVal)
110 : {
111 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandValue::setValue" );
112 0 : m_aValue = _rVal;
113 0 : }
114 : // -------------------------------------------------------------------------
115 0 : sal_Bool OOperandAttr::isIndexed() const
116 : {
117 0 : return sal_False;
118 : }
119 : //------------------------------------------------------------------
120 0 : OOperandParam::OOperandParam(OSQLParseNode* pNode, sal_Int32 _nPos)
121 0 : : OOperandRow(static_cast<sal_uInt16>(_nPos), DataType::VARCHAR) // Standard-Type
122 : {
123 : OSL_ENSURE(SQL_ISRULE(pNode,parameter),"Argument ist kein Parameter");
124 : OSL_ENSURE(pNode->count() > 0,"Fehler im Parse Tree");
125 0 : OSQLParseNode *pMark = pNode->getChild(0);
126 :
127 0 : String aParameterName;
128 0 : if (SQL_ISPUNCTUATION(pMark,"?"))
129 0 : aParameterName = '?';
130 0 : else if (SQL_ISPUNCTUATION(pMark,":"))
131 0 : aParameterName = pNode->getChild(1)->getTokenValue();
132 : else
133 : {
134 : OSL_FAIL("Fehler im Parse Tree");
135 0 : }
136 :
137 : // set up Parameter-Column with default type, can be specified more precisely later using Describe-Parameter
138 :
139 : // save Identity (not escpecially necessary here, just for the sake of symmetry)
140 :
141 : // todo
142 : // OColumn* pColumn = new OFILEColumn(aParameterName,eDBType,255,0,SQL_FLAGS_NULLALLOWED);
143 : // rParamColumns->AddColumn(pColumn);
144 :
145 : // the value will be set just before the evaluation
146 0 : }
147 :
148 :
149 : //------------------------------------------------------------------
150 0 : const ORowSetValue& OOperandValue::getValue() const
151 : {
152 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandValue::getValue" );
153 0 : return m_aValue;
154 : }
155 :
156 : //------------------------------------------------------------------
157 0 : OOperandConst::OOperandConst(const OSQLParseNode& rColumnRef, const rtl::OUString& aStrValue)
158 : {
159 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandConst::OOperandConst" );
160 0 : switch (rColumnRef.getNodeType())
161 : {
162 : case SQL_NODE_STRING:
163 0 : m_aValue = aStrValue;
164 0 : m_eDBType = DataType::VARCHAR;
165 0 : m_aValue.setBound(sal_True);
166 0 : return;
167 : case SQL_NODE_INTNUM:
168 : case SQL_NODE_APPROXNUM:
169 : {
170 0 : m_aValue = aStrValue.toDouble();
171 0 : m_eDBType = DataType::DOUBLE;
172 0 : m_aValue.setBound(sal_True);
173 0 : return;
174 : }
175 : default:
176 0 : break;
177 : }
178 :
179 0 : if (SQL_ISTOKEN(&rColumnRef,TRUE))
180 : {
181 0 : m_aValue = 1.0;
182 0 : m_eDBType = DataType::BIT;
183 : }
184 0 : else if (SQL_ISTOKEN(&rColumnRef,FALSE))
185 : {
186 0 : m_aValue = 0.0;
187 0 : m_eDBType = DataType::BIT;
188 : }
189 : else
190 : {
191 : OSL_FAIL("Parse Error");
192 : }
193 0 : m_aValue.setBound(sal_True);
194 : }
195 :
196 : /////////////////////////////////////////////////////////////////////////////////////////
197 : // Implementation of the operators
198 :
199 : //------------------------------------------------------------------
200 0 : sal_uInt16 OOperator::getRequestedOperands() const {return 2;}
201 :
202 : //------------------------------------------------------------------
203 0 : sal_Bool OBoolOperator::operate(const OOperand*, const OOperand*) const
204 : {
205 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OBoolOperator::operate" );
206 0 : return sal_False;
207 : }
208 :
209 :
210 : //------------------------------------------------------------------
211 0 : void OBoolOperator::Exec(OCodeStack& rCodeStack)
212 : {
213 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OBoolOperator::Exec" );
214 0 : OOperand *pRight = rCodeStack.top();
215 0 : rCodeStack.pop();
216 0 : OOperand *pLeft = rCodeStack.top();
217 0 : rCodeStack.pop();
218 :
219 0 : rCodeStack.push(new OOperandResultBOOL(operate(pLeft, pRight)));
220 0 : if (IS_TYPE(OOperandResult,pLeft))
221 0 : delete pLeft;
222 0 : if (IS_TYPE(OOperandResult,pRight))
223 0 : delete pRight;
224 0 : }
225 : //------------------------------------------------------------------
226 0 : sal_Bool OOp_NOT::operate(const OOperand* pLeft, const OOperand* ) const
227 : {
228 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_AND::operate" );
229 0 : return !pLeft->isValid();
230 : }
231 : //------------------------------------------------------------------
232 0 : void OOp_NOT::Exec(OCodeStack& rCodeStack)
233 : {
234 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::Exec" );
235 0 : OOperand* pOperand = rCodeStack.top();
236 0 : rCodeStack.pop();
237 :
238 0 : rCodeStack.push(new OOperandResultBOOL(operate(pOperand)));
239 0 : if (IS_TYPE(OOperandResult,pOperand))
240 0 : delete pOperand;
241 0 : }
242 : //------------------------------------------------------------------
243 0 : sal_uInt16 OOp_NOT::getRequestedOperands() const
244 : {
245 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_NOT::getRequestedOperands" );
246 0 : return 1;
247 : }
248 :
249 : //------------------------------------------------------------------
250 0 : sal_Bool OOp_AND::operate(const OOperand* pLeft, const OOperand* pRight) const
251 : {
252 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_AND::operate" );
253 0 : return pLeft->isValid() && pRight->isValid();
254 : }
255 :
256 : //------------------------------------------------------------------
257 0 : sal_Bool OOp_OR::operate(const OOperand* pLeft, const OOperand* pRight) const
258 : {
259 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_OR::operate" );
260 0 : return pLeft->isValid() || pRight->isValid();
261 : }
262 :
263 : //------------------------------------------------------------------
264 0 : sal_uInt16 OOp_ISNULL::getRequestedOperands() const
265 : {
266 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::getRequestedOperands" );
267 0 : return 1;
268 : }
269 :
270 : //------------------------------------------------------------------
271 0 : void OOp_ISNULL::Exec(OCodeStack& rCodeStack)
272 : {
273 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::Exec" );
274 0 : OOperand* pOperand = rCodeStack.top();
275 0 : rCodeStack.pop();
276 :
277 0 : rCodeStack.push(new OOperandResultBOOL(operate(pOperand)));
278 0 : if (IS_TYPE(OOperandResult,pOperand))
279 0 : delete pOperand;
280 0 : }
281 :
282 : //------------------------------------------------------------------
283 0 : sal_Bool OOp_ISNULL::operate(const OOperand* pOperand, const OOperand*) const
284 : {
285 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::operate" );
286 0 : return pOperand->getValue().isNull();
287 : }
288 :
289 : //------------------------------------------------------------------
290 0 : sal_Bool OOp_ISNOTNULL::operate(const OOperand* pOperand, const OOperand*) const
291 : {
292 0 : return !OOp_ISNULL::operate(pOperand);
293 : }
294 :
295 : //------------------------------------------------------------------
296 0 : sal_Bool OOp_LIKE::operate(const OOperand* pLeft, const OOperand* pRight) const
297 : {
298 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::operate" );
299 : sal_Bool bMatch;
300 0 : ORowSetValue aLH(pLeft->getValue());
301 0 : ORowSetValue aRH(pRight->getValue());
302 :
303 0 : if (aLH.isNull() || aRH.isNull())
304 0 : bMatch = sal_False;
305 : else
306 : {
307 0 : bMatch = match(aRH.getString(), aLH.getString(), cEscape);
308 : }
309 0 : return bMatch;
310 : }
311 :
312 : //------------------------------------------------------------------
313 0 : sal_Bool OOp_NOTLIKE::operate(const OOperand* pLeft, const OOperand* pRight) const
314 : {
315 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_NOTLIKE::operate" );
316 0 : return !OOp_LIKE::operate(pLeft, pRight);
317 : }
318 :
319 : //------------------------------------------------------------------
320 0 : sal_Bool OOp_COMPARE::operate(const OOperand* pLeft, const OOperand* pRight) const
321 : {
322 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_COMPARE::operate" );
323 0 : ORowSetValue aLH(pLeft->getValue());
324 0 : ORowSetValue aRH(pRight->getValue());
325 :
326 0 : if (aLH.isNull() || aRH.isNull()) // if (!aLH.getValue() || !aRH.getValue())
327 0 : return sal_False;
328 :
329 0 : sal_Bool bResult = sal_False;
330 0 : sal_Int32 eDBType = pLeft->getDBType();
331 :
332 : // Comparison (depending on Data-type):
333 0 : switch (eDBType)
334 : {
335 : case DataType::CHAR:
336 : case DataType::VARCHAR:
337 : case DataType::LONGVARCHAR:
338 : {
339 0 : rtl::OUString sLH = aLH, sRH = aRH;
340 : sal_Int32 nRes = rtl_ustr_compareIgnoreAsciiCase_WithLength
341 : (
342 : sLH.pData->buffer,
343 : sLH.pData->length,
344 : sRH.pData->buffer,
345 0 : sRH.pData->length );
346 0 : switch(aPredicateType)
347 : {
348 0 : case SQLFilterOperator::EQUAL: bResult = (nRes == 0); break;
349 0 : case SQLFilterOperator::NOT_EQUAL: bResult = (nRes != 0); break;
350 0 : case SQLFilterOperator::LESS: bResult = (nRes < 0); break;
351 0 : case SQLFilterOperator::LESS_EQUAL: bResult = (nRes <= 0); break;
352 0 : case SQLFilterOperator::GREATER: bResult = (nRes > 0); break;
353 0 : case SQLFilterOperator::GREATER_EQUAL: bResult = (nRes >= 0); break;
354 0 : default: bResult = sal_False;
355 0 : }
356 0 : } break;
357 : case DataType::TINYINT:
358 : case DataType::SMALLINT:
359 : case DataType::INTEGER:
360 : case DataType::DECIMAL:
361 : case DataType::NUMERIC:
362 : case DataType::REAL:
363 : case DataType::DOUBLE:
364 : case DataType::BIT:
365 : case DataType::TIMESTAMP:
366 : case DataType::DATE:
367 : case DataType::TIME:
368 : {
369 0 : double n = aLH ,m = aRH;
370 :
371 0 : switch (aPredicateType)
372 : {
373 0 : case SQLFilterOperator::EQUAL: bResult = (n == m); break;
374 0 : case SQLFilterOperator::LIKE: bResult = (n == m); break;
375 0 : case SQLFilterOperator::NOT_EQUAL: bResult = (n != m); break;
376 0 : case SQLFilterOperator::NOT_LIKE: bResult = (n != m); break;
377 0 : case SQLFilterOperator::LESS: bResult = (n < m); break;
378 0 : case SQLFilterOperator::LESS_EQUAL: bResult = (n <= m); break;
379 0 : case SQLFilterOperator::GREATER: bResult = (n > m); break;
380 0 : case SQLFilterOperator::GREATER_EQUAL: bResult = (n >= m); break;
381 0 : default: bResult = sal_False;
382 : }
383 0 : } break;
384 : default:
385 0 : bResult = aLH == aRH;
386 : }
387 0 : return bResult;
388 : }
389 :
390 : //------------------------------------------------------------------
391 0 : void ONumOperator::Exec(OCodeStack& rCodeStack)
392 : {
393 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "ONumOperator::Exec" );
394 :
395 0 : OOperand *pRight = rCodeStack.top();
396 0 : rCodeStack.pop();
397 0 : OOperand *pLeft = rCodeStack.top();
398 0 : rCodeStack.pop();
399 :
400 0 : rCodeStack.push(new OOperandResultNUM(operate(pLeft->getValue(), pRight->getValue())));
401 0 : if (IS_TYPE(OOperandResult,pLeft))
402 0 : delete pLeft;
403 0 : if (IS_TYPE(OOperandResult,pRight))
404 0 : delete pRight;
405 0 : }
406 : //------------------------------------------------------------------
407 0 : double OOp_ADD::operate(const double& fLeft,const double& fRight) const
408 : {
409 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ADD::operate" );
410 0 : return fLeft + fRight;
411 : }
412 :
413 : //------------------------------------------------------------------
414 0 : double OOp_SUB::operate(const double& fLeft,const double& fRight) const
415 : {
416 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_SUB::operate" );
417 0 : return fLeft - fRight;
418 : }
419 :
420 : //------------------------------------------------------------------
421 0 : double OOp_MUL::operate(const double& fLeft,const double& fRight) const
422 : {
423 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_MUL::operate" );
424 0 : return fLeft * fRight;
425 : }
426 :
427 : //------------------------------------------------------------------
428 0 : double OOp_DIV::operate(const double& fLeft,const double& fRight) const
429 : {
430 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_DIV::operate" );
431 0 : return fLeft / fRight;
432 : }
433 : // -----------------------------------------------------------------------------
434 0 : OEvaluateSet* OOperandAttr::preProcess(OBoolOperator* /*pOp*/, OOperand* /*pRight*/)
435 : {
436 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandAttr::preProcess" );
437 0 : return NULL;
438 : }
439 : //------------------------------------------------------------------
440 0 : void ONthOperator::Exec(OCodeStack& rCodeStack)
441 : {
442 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "ONthOperator::Exec" );
443 0 : ::std::vector<ORowSetValue> aValues;
444 0 : ::std::vector<OOperand*> aOperands;
445 : OOperand* pOperand;
446 0 : do
447 : {
448 : OSL_ENSURE(!rCodeStack.empty(),"Stack must be none empty!");
449 0 : pOperand = rCodeStack.top();
450 0 : rCodeStack.pop();
451 0 : if ( !IS_TYPE(OStopOperand,pOperand) )
452 0 : aValues.push_back( pOperand->getValue() );
453 0 : aOperands.push_back( pOperand );
454 : }
455 0 : while ( !IS_TYPE(OStopOperand,pOperand) );
456 :
457 0 : rCodeStack.push(new OOperandResult(operate(aValues)));
458 :
459 0 : ::std::vector<OOperand*>::iterator aIter = aOperands.begin();
460 0 : ::std::vector<OOperand*>::iterator aEnd = aOperands.end();
461 0 : for (; aIter != aEnd; ++aIter)
462 : {
463 0 : if (IS_TYPE(OOperandResult,*aIter))
464 0 : delete *aIter;
465 0 : }
466 0 : }
467 : //------------------------------------------------------------------
468 0 : void OBinaryOperator::Exec(OCodeStack& rCodeStack)
469 : {
470 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OBinaryOperator::Exec" );
471 0 : OOperand *pRight = rCodeStack.top();
472 0 : rCodeStack.pop();
473 0 : OOperand *pLeft = rCodeStack.top();
474 0 : rCodeStack.pop();
475 :
476 0 : if ( !rCodeStack.empty() && IS_TYPE(OStopOperand,rCodeStack.top()) )
477 0 : rCodeStack.pop();
478 :
479 0 : rCodeStack.push(new OOperandResult(operate(pLeft->getValue(),pRight->getValue())));
480 0 : if (IS_TYPE(OOperandResult,pRight))
481 0 : delete pRight;
482 0 : if (IS_TYPE(OOperandResult,pLeft))
483 0 : delete pLeft;
484 0 : }
485 : //------------------------------------------------------------------
486 0 : void OUnaryOperator::Exec(OCodeStack& rCodeStack)
487 : {
488 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OUnaryOperator::Exec" );
489 : OSL_ENSURE(!rCodeStack.empty(),"Stack is empty!");
490 0 : OOperand* pOperand = rCodeStack.top();
491 0 : rCodeStack.pop();
492 :
493 0 : rCodeStack.push(new OOperandResult(operate(pOperand->getValue())));
494 0 : if (IS_TYPE(OOperandResult,pOperand))
495 0 : delete pOperand;
496 0 : }
497 : // -----------------------------------------------------------------------------
498 0 : sal_uInt16 OUnaryOperator::getRequestedOperands() const {return 1;}
499 :
500 :
501 :
502 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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