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Merge pull request #2532 from WalterCouto/test2 

don't unnecessary fetch all tokens when grabbing an interval of text …
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Terence Parr 2019-12-11 08:48:54 -08:00 committed by GitHub
parent 242d900ba6 f650a0be67
commit 8be60804ab
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1 changed files with 2 additions and 1 deletions
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3
runtime/Cpp/runtime/src/BufferedTokenStream.cpp
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@ -358,17 +358,18 @@ std::string BufferedTokenStream::getSourceName() const
}
std::string BufferedTokenStream::getText() {
fill();
return getText(misc::Interval(0U, size() - 1));
}
std::string BufferedTokenStream::getText(const misc::Interval &interval) {
lazyInit();
fill();
size_t start = interval.a;
size_t stop = interval.b;
if (start == INVALID_INDEX || stop == INVALID_INDEX) {
return "";
}
sync(stop);
if (stop >= _tokens.size()) {
stop = _tokens.size() - 1;
}