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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 114a878c64ce6f8223cfd22d76a20eb16d177e5e (patch) | |
tree | acaf47eb0fa12142d3896416a69e74cbf5a72242 /lib/antlr/src/BitSet.cpp | |
download | tdevelop-114a878c64ce6f8223cfd22d76a20eb16d177e5e.tar.gz tdevelop-114a878c64ce6f8223cfd22d76a20eb16d177e5e.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdevelop@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'lib/antlr/src/BitSet.cpp')
-rw-r--r-- | lib/antlr/src/BitSet.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/antlr/src/BitSet.cpp b/lib/antlr/src/BitSet.cpp new file mode 100644 index 00000000..2a32404a --- /dev/null +++ b/lib/antlr/src/BitSet.cpp @@ -0,0 +1,62 @@ +/* ANTLR Translator Generator + * Project led by Terence Parr at http://www.jGuru.com + * Software rights: http://www.antlr.org/license.html + * + * $Id$ + */ +#include "antlr/BitSet.hpp" +#include <string> + +#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE +namespace antlr { +#endif + +BitSet::BitSet(unsigned int nbits) +: storage(nbits) +{ + for (unsigned int i = 0; i < nbits ; i++ ) + storage[i] = false; +} + +BitSet::BitSet( const unsigned long* bits_, unsigned int nlongs ) +: storage(nlongs*32) +{ + for ( unsigned int i = 0 ; i < (nlongs * 32); i++) + storage[i] = (bits_[i>>5] & (1UL << (i&31))) ? true : false; +} + +BitSet::~BitSet() +{ +} + +void BitSet::add(unsigned int el) +{ + if( el >= storage.size() ) + storage.resize( el+1, false ); + + storage[el] = true; +} + +bool BitSet::member(unsigned int el) const +{ + if ( el >= storage.size()) + return false; + + return storage[el]; +} + +ANTLR_USE_NAMESPACE(std)vector<unsigned int> BitSet::toArray() const +{ + ANTLR_USE_NAMESPACE(std)vector<unsigned int> elems; + for (unsigned int i = 0; i < storage.size(); i++) + { + if (storage[i]) + elems.push_back(i); + } + + return elems; +} + +#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE +} +#endif |