rust/src/libsyntax/ext/pipes.rs
2012-07-09 16:29:25 -07:00

29 lines
881 B
Rust

import codemap::span;
import ext::base::ext_ctxt;
import ast::tt_delim;
import parse::lexer::{new_tt_reader, reader, tt_reader_as_reader};
import parse::parser::{parser, SOURCE_FILE};
import parse::common::parser_common;
import pipes::parse_proto::proto_parser;
import pipes::pipec::methods;
fn expand_proto(cx: ext_ctxt, _sp: span, id: ast::ident, tt: ast::token_tree)
-> @ast::item
{
let sess = cx.parse_sess();
let cfg = cx.cfg();
let body_core = alt tt { tt_delim(tts) { tts } _ {fail}};
let tt_rdr = new_tt_reader(cx.parse_sess().span_diagnostic,
cx.parse_sess().interner,
none,
body_core);
let rdr = tt_rdr as reader;
let rust_parser = parser(sess, cfg, rdr.dup(), SOURCE_FILE);
let proto = rust_parser.parse_proto(id);
proto.compile(cx)
}