Module syntax::ext::tt::transcribe[][src]

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Re-exports

use ast::Ident;
use ext::base::ExtCtxt;
use ext::expand::Marker;
use ext::tt::macro_parser::NamedMatch;
use ext::tt::macro_parser::MatchedSeq;
use ext::tt::macro_parser::MatchedNonterminal;
use ext::tt::quoted;
use fold::noop_fold_tt;
use parse::token;
use parse::token::Token;
use parse::token::NtTT;
use syntax_pos::Span;
use syntax_pos::DUMMY_SP;
use tokenstream::TokenStream;
use tokenstream::TokenTree;
use tokenstream::Delimited;
use util::small_vector::SmallVector;
use std::rc::Rc;
use rustc_data_structures::sync::Lrc;
use std::mem;
use std::ops::Add;
use std::collections::HashMap;

Enums

Frame [
Experimental
]
LockstepIterSize [
Experimental
]

Functions

lockstep_iter_size [
Experimental
]
lookup_cur_matched [
Experimental
]
transcribe [
Experimental
]

This can do Macro-By-Example transcription. On the other hand, if src contains no TokenTree::{Sequence, MetaVar, MetaVarDecl}s, interp can (and should) be None.