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#include "rust-macro-invoc-lexer.h"
namespace Rust {
const_TokenPtr
MacroInvocLexer::peek_token (int n)
{
if ((offs + n) >= token_stream.size ())
return Token::make (END_OF_FILE, Location ());
return token_stream.at (offs + n)->get_tok_ptr ();
}
// Advances current token to n + 1 tokens ahead of current position.
void
MacroInvocLexer::skip_token (int n)
{
offs += (n + 1);
}
void
MacroInvocLexer::split_current_token (TokenId new_left __attribute__ ((unused)),
TokenId new_right
__attribute__ ((unused)))
{
// FIXME
gcc_unreachable ();
}
std::vector<std::unique_ptr<AST::Token>>
MacroInvocLexer::get_token_slice (size_t start_idx, size_t end_idx) const
{
std::vector<std::unique_ptr<AST::Token>> slice;
rust_assert (end_idx < token_stream.size ());
for (size_t i = start_idx; i < end_idx; i++)
slice.emplace_back (token_stream[i]->clone_token ());
return slice;
}
} // namespace Rust
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