本文整理汇总了C++中Symbols::Clear方法的典型用法代码示例。如果您正苦于以下问题：C++ Symbols::Clear方法的具体用法？C++ Symbols::Clear怎么用？C++ Symbols::Clear使用的例子？那么恭喜您, 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::Clear方法的1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: LoadFile
int Main::LoadFile(text file,
bool updateContext,
Context *importContext,
Symbols *importSymbols)
// ----------------------------------------------------------------------------
// Load an individual file
// ----------------------------------------------------------------------------
{
Tree_p tree = NULL;
bool hadError = false;
IFTRACE(fileload)
std::cout << "Loading: " << file << "\n";
// Find which source file we are referencing
SourceFile &sf = files[file];
// Parse program - Local parser to delete scanner and close file
// This ensures positions are updated even if there is a 'load'
// being called during execution.
if (options.readSerialized)
{
if (!reader)
reader = new Deserializer(std::cin);
tree = reader->ReadTree();
if (!reader->IsValid())
{
errors->Log(Error("Serialized stream cannot be read: $1")
.Arg(file));
hadError = true;
return hadError;
}
}
else
{
utf8_ifstream ifs(file.c_str(), std::ios::in | std::ios::binary);
Deserializer ds(ifs);
tree = ds.ReadTree();
if (!ds.IsValid())
{
std::string decrypted = MAIN->Decrypt(file.c_str());
if (decrypted != "")
{
// Parse decrypted string as XL source
IFTRACE(fileload)
std::cerr << "Info: file was succesfully decrypted\n";
std::istringstream iss;
iss.str(decrypted);
Parser parser (iss, syntax, positions, topLevelErrors);
tree = parser.Parse();
}
else
{
// Parse as XL source
Parser parser (file.c_str(), syntax, positions, topLevelErrors);
tree = parser.Parse();
}
}
else
{
IFTRACE(fileload)
std::cerr << "Info: file is in serialized format\n";
}
}
if (options.writeSerialized)
{
if (!writer)
writer = new Serializer(std::cout);
if (tree)
tree->Do(writer);
}
if (tree)
{
tree = Normalize(tree);
}
else
{
if (options.doDiff)
{
files[file] = SourceFile (file, NULL, NULL, NULL);
hadError = false;
}
}
// Create new symbol table for the file, or clear it if we had one
Context *ctx = MAIN->context;
Context *savedCtx = ctx;
Symbols *syms = MAIN->globals;
Symbols *savedSyms = syms;
if (sf.context)
{
updateContext = false;
ctx = sf.context;
syms = sf.symbols;
ctx->Clear();
syms->Clear();
}
else
//.........这里部分代码省略.........