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/**
* @file flag_decltype.cpp
*
* @license GPL v2+
*/
#include "chunk.h"
bool flag_cpp_decltype(Chunk *pc)
{
LOG_FUNC_ENTRY();
if (pc->Is(CT_DECLTYPE))
{
auto paren_open = pc->GetNextNcNnl();
if (paren_open->Is(CT_PAREN_OPEN))
{
// We would like to simply call Chunk::SkipToMatch(), but it finds
// a match based on level, and the level is 0 for all chunks in some
// cases, like the following example.
//
// template <typename T>
// decltype(std::declval<T &>().put(foo), std::true_type())
// has_something(Tag<2>);
//
// This means that IN_DECLTYPE is only set for tokens through the
// closing parenthesis right before ".put" in the above example.
//
// So, we will manually look for the matching closing parenthesis.
paren_open->SetFlagBits(PCF_IN_DECLTYPE);
pc = paren_open->GetNextNcNnl();
for (int level = 1; pc->IsNotNullChunk() && level > 0; pc = pc->GetNextNcNnl())
{
level += pc->Is(CT_PAREN_OPEN);
level -= pc->Is(CT_PAREN_CLOSE);
pc->SetFlagBits(PCF_IN_DECLTYPE);
}
return(pc->IsNotNullChunk());
}
}
return(false);
} // mark_cpp_decltype
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