本文整理汇总了C++中Symbols::reserve方法的典型用法代码示例。如果您正苦于以下问题：C++ Symbols::reserve方法的具体用法？C++ Symbols::reserve怎么用？C++ Symbols::reserve使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Symbols的用法示例。
在下文中一共展示了Symbols::reserve方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: preprocess
void Preprocessor::preprocess(const QByteArray &filename, Symbols &preprocessed)
{
currentFilenames.push(filename);
preprocessed.reserve(preprocessed.size() + symbols.size());
while (hasNext()) {
Token token = next();
switch (token) {
case PP_INCLUDE:
{
int lineNum = symbol().lineNum;
QByteArray include;
bool local = false;
if (test(PP_STRING_LITERAL)) {
local = lexem().startsWith('\"');
include = unquotedLexem();
} else
continue;
until(PP_NEWLINE);
// #### stringery
QFileInfo fi;
if (local)
fi.setFile(QFileInfo(QString::fromLocal8Bit(filename)).dir(), QString::fromLocal8Bit(include));
for (int j = 0; j < Preprocessor::includes.size() && !fi.exists(); ++j) {
const IncludePath &p = Preprocessor::includes.at(j);
if (p.isFrameworkPath) {
const int slashPos = include.indexOf('/');
if (slashPos == -1)
continue;
QByteArray frameworkCandidate = include.left(slashPos);
frameworkCandidate.append(".framework/Headers/");
fi.setFile(QString::fromLocal8Bit(QByteArray(p.path + '/' + frameworkCandidate)), QString::fromLocal8Bit(include.mid(slashPos + 1)));
} else {
fi.setFile(QString::fromLocal8Bit(p.path), QString::fromLocal8Bit(include));
}
// try again, maybe there's a file later in the include paths with the same name
// (186067)
if (fi.isDir()) {
fi = QFileInfo();
continue;
}
}
if (!fi.exists() || fi.isDir())
continue;
include = fi.canonicalFilePath().toLocal8Bit();
if (Preprocessor::preprocessedIncludes.contains(include))
continue;
Preprocessor::preprocessedIncludes.insert(include);
QFile file(QString::fromLocal8Bit(include));
if (!file.open(QFile::ReadOnly))
continue;
QByteArray input = file.readAll();
file.close();
if (input.isEmpty())
continue;
Symbols saveSymbols = symbols;
int saveIndex = index;
// phase 1: get rid of backslash-newlines
input = cleaned(input);
// phase 2: tokenize for the preprocessor
symbols = tokenize(input);
input.clear();
index = 0;
// phase 3: preprocess conditions and substitute macros
preprocessed += Symbol(0, MOC_INCLUDE_BEGIN, include);
preprocess(include, preprocessed);
preprocessed += Symbol(lineNum, MOC_INCLUDE_END, include);
symbols = saveSymbols;
index = saveIndex;
continue;
}
case PP_DEFINE:
{
next(IDENTIFIER);
QByteArray name = lexem();
int start = index;
until(PP_NEWLINE);
Macro macro;
macro.symbols.reserve(index - start - 1);
for (int i = start; i < index - 1; ++i)
macro.symbols += symbols.at(i);
macros.insert(name, macro);
continue;
}
case PP_UNDEF: {
next(IDENTIFIER);
QByteArray name = lexem();
until(PP_NEWLINE);
macros.remove(name);
//.........这里部分代码省略.........
示例2: preprocess
void Preprocessor::preprocess(const QByteArray &filename, Symbols &preprocessed)
{
currentFilenames.push(filename);
preprocessed.reserve(preprocessed.size() + symbols.size());
while (hasNext()) {
Token token = next();
switch (token) {
case PP_INCLUDE:
{
int lineNum = symbol().lineNum;
QByteArray include;
bool local = false;
if (test(PP_STRING_LITERAL)) {
local = lexem().startsWith('\"');
include = unquotedLexem();
} else
continue;
until(PP_NEWLINE);
// #### stringery
QFileInfo fi;
if (local)
fi.setFile(QFileInfo(QString::fromLocal8Bit(filename.constData())).dir(), QString::fromLocal8Bit(include.constData()));
for (int j = 0; j < Preprocessor::includes.size() && !fi.exists(); ++j) {
const IncludePath &p = Preprocessor::includes.at(j);
if (p.isFrameworkPath) {
const int slashPos = include.indexOf('/');
if (slashPos == -1)
continue;
QByteArray frameworkCandidate = include.left(slashPos);
frameworkCandidate.append(".framework/Headers/");
fi.setFile(QString::fromLocal8Bit(QByteArray(p.path + '/' + frameworkCandidate).constData()), QString::fromLocal8Bit(include.mid(slashPos + 1).constData()));
} else {
fi.setFile(QString::fromLocal8Bit(p.path.constData()), QString::fromLocal8Bit(include.constData()));
}
// try again, maybe there's a file later in the include paths with the same name
// (186067)
if (fi.isDir()) {
fi = QFileInfo();
continue;
}
}
if (!fi.exists() || fi.isDir())
continue;
include = fi.canonicalFilePath().toLocal8Bit();
if (Preprocessor::preprocessedIncludes.contains(include))
continue;
Preprocessor::preprocessedIncludes.insert(include);
QFile file(QString::fromLocal8Bit(include.constData()));
if (!file.open(QFile::ReadOnly))
continue;
QByteArray input = file.readAll();
file.close();
if (input.isEmpty())
continue;
Symbols saveSymbols = symbols;
int saveIndex = index;
// phase 1: get rid of backslash-newlines
input = cleaned(input);
// phase 2: tokenize for the preprocessor
symbols = tokenize(input);
input.clear();
index = 0;
// phase 3: preprocess conditions and substitute macros
preprocessed += Symbol(0, MOC_INCLUDE_BEGIN, include);
preprocess(include, preprocessed);
preprocessed += Symbol(lineNum, MOC_INCLUDE_END, include);
symbols = saveSymbols;
index = saveIndex;
continue;
}
case PP_DEFINE:
{
next(IDENTIFIER);
QByteArray name = lexem();
Macro macro;
macro.isVariadic = false;
Token t = next();
if (t == LPAREN) {
// we have a function macro
macro.isFunction = true;
parseDefineArguments(¯o);
} else if (t == PP_WHITESPACE) {
macro.isFunction = false;
} else {
error("Moc: internal error");
}
int start = index;
until(PP_NEWLINE);
//.........这里部分代码省略.........