int RegExp::match(const UString& s, int i, OwnArrayPtr<int>* ovector)
{
if (i < 0)
i = 0;
if (ovector)
ovector->clear();
if (i > s.size() || s.isNull())
return -1;
#if ENABLE(WREC)
if (m_wrecFunction) {
int offsetVectorSize = (m_numSubpatterns + 1) * 2;
int* offsetVector = new int [offsetVectorSize];
for (int j = 0; j < offsetVectorSize; ++j)
offsetVector[j] = -1;
OwnArrayPtr<int> nonReturnedOvector;
if (!ovector)
nonReturnedOvector.set(offsetVector);
else
ovector->set(offsetVector);
int result = reinterpret_cast<WRECFunction>(m_wrecFunction)(s.data(), i, s.size(), offsetVector);
if (result < 0) {
#ifndef NDEBUG
// TODO: define up a symbol, rather than magic -1
if (result != -1)
fprintf(stderr, "jsRegExpExecute failed with result %d\n", result);
#endif
if (ovector)
ovector->clear();
}
return result;
} else
#endif
if (m_regExp) {
// Set up the offset vector for the result.
// First 2/3 used for result, the last third used by PCRE.
int* offsetVector;
int offsetVectorSize;
int fixedSizeOffsetVector[3];
if (!ovector) {
offsetVectorSize = 3;
offsetVector = fixedSizeOffsetVector;
} else {
offsetVectorSize = (m_numSubpatterns + 1) * 3;
offsetVector = new int [offsetVectorSize];
ovector->set(offsetVector);
}
int numMatches = jsRegExpExecute(m_regExp, reinterpret_cast<const UChar*>(s.data()), s.size(), i, offsetVector, offsetVectorSize);
if (numMatches < 0) {
#ifndef NDEBUG
if (numMatches != JSRegExpErrorNoMatch)
fprintf(stderr, "jsRegExpExecute failed with result %d\n", numMatches);
#endif
if (ovector)
ovector->clear();
return -1;
}
return offsetVector[0];
}
return -1;
}
int RegExp::match(const UString& s, int startOffset, OwnArrayPtr<int>* ovector)
{
if (startOffset < 0)
startOffset = 0;
if (ovector)
ovector->clear();
if (startOffset > s.size() || s.isNull())
return -1;
#if ENABLE(YARR_JIT)
if (m_regExpJITCode.m_jitCode) {
#else
if (m_regExpBytecode) {
#endif
int offsetVectorSize = (m_numSubpatterns + 1) * 3; // FIXME: should be 2 - but adding temporary fallback to pcre.
int* offsetVector = new int [offsetVectorSize];
ASSERT(offsetVector);
for (int j = 0; j < offsetVectorSize; ++j)
offsetVector[j] = -1;
OwnArrayPtr<int> nonReturnedOvector;
if (!ovector)
nonReturnedOvector.set(offsetVector);
else
ovector->set(offsetVector);
#if ENABLE(YARR_JIT)
int result = Yarr::executeRegex(m_regExpJITCode, s.data(), startOffset, s.size(), offsetVector, offsetVectorSize);
#else
int result = Yarr::interpretRegex(m_regExpBytecode.get(), s.data(), startOffset, s.size(), offsetVector);
#endif
if (result < 0) {
#ifndef NDEBUG
// TODO: define up a symbol, rather than magic -1
if (result != -1)
fprintf(stderr, "jsRegExpExecute failed with result %d\n", result);
#endif
if (ovector)
ovector->clear();
}
return result;
}
return -1;
}
#else
void RegExp::compile(JSGlobalData* globalData)
{
m_regExp = 0;
#if ENABLE(WREC)
m_wrecFunction = Generator::compileRegExp(globalData, m_pattern, &m_numSubpatterns, &m_constructionError, m_executablePool, ignoreCase(), multiline());
if (m_wrecFunction || m_constructionError)
return;
// Fall through to non-WREC case.
#else
UNUSED_PARAM(globalData);
#endif
JSRegExpIgnoreCaseOption ignoreCaseOption = ignoreCase() ? JSRegExpIgnoreCase : JSRegExpDoNotIgnoreCase;
JSRegExpMultilineOption multilineOption = multiline() ? JSRegExpMultiline : JSRegExpSingleLine;
m_regExp = jsRegExpCompile(reinterpret_cast<const UChar*>(m_pattern.data()), m_pattern.size(), ignoreCaseOption, multilineOption, &m_numSubpatterns, &m_constructionError);
}
