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avoid some unnecessary string copies in the preprocessor

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This commit is contained in:
Patrick Parker 2007-05-21 22:51:09 +00:00
parent 6913f04b4f
commit da3e22a1cc
1 changed files with 6 additions and 6 deletions
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12
src/serialization/preprocessor.cpp
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@ -154,7 +154,7 @@ preprocessor::~preprocessor()
temp << "\376line " << old_linenum_
<< ' ' << old_location_ << '\n';
std::string s = temp.str();
std::string const& s = temp.str();
target_.buffer_ << s;
target_.buffer_size_ += s.size();
}
@ -162,7 +162,7 @@ preprocessor::~preprocessor()
std::ostringstream temp;
temp << "\376textdomain " << old_textdomain_ << '\n';
std::string s = temp.str();
std::string const& s = temp.str();
target_.buffer_ << s;
target_.buffer_size_ += s.size();
}
@ -257,7 +257,7 @@ preprocessor_data::preprocessor_data(preprocessor_streambuf &t, std::istream *i,
temp << "\376line " << linenum << ' ' << t.location_
<< "\n\376textdomain " << domain << '\n';
std::string ts = temp.str();
std::string const& ts = temp.str();
t.buffer_ << ts;
t.buffer_size_ += ts.size();
@ -353,7 +353,7 @@ void preprocessor_data::put(char c)
temp << "\376line " << target_.linenum_
<< ' ' << target_.location_ << '\n';
std::string s = temp.str();
std::string const& s = temp.str();
target_.buffer_ << s;
target_.buffer_size_ += s.size();
@ -453,7 +453,7 @@ bool preprocessor_data::get_chunk()
if (command == "define") {
skip_spaces();
int linenum = linenum_;
std::string s = read_line();
std::string const& s = read_line();
std::vector< std::string > items = utils::split(s, ' ');
if (items.empty()) {
std::ostringstream error;
@ -462,7 +462,7 @@ bool preprocessor_data::get_chunk()
ERR_CF << error.str() << '\n';
throw preproc_config::error(error.str());
}
std::string symbol = items.front();
std::string const& symbol = items.front();
items.erase(items.begin());
int found_enddef = 0;
std::string buffer;