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Remove the tt macro demo.

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This commit is contained in:
Paul Stansifer 2012-07-09 16:06:41 -07:00
parent 54741b9427
commit 55e28f6689
1 changed files with 0 additions and 41 deletions
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41
src/libsyntax/parse/parser.rs
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@ -935,14 +935,6 @@ class parser {
|p| p.parse_expr());
hi = self.span.hi;
ex = expr_vec(es, mutbl);
} else if self.token == token::POUND
&& self.look_ahead(1u) == token::POUND {
self.bump(); self.bump();
//let macname = self.parse_path_without_tps();
//let macbody = self.parse_token_tree();
//ret pexpr(self.mk_mac_expr(lo, self.span.hi,
// mac_invoc_tt(macname, macbody)));
ret pexpr(self.parse_tt_mac_demo());
} else if self.token == token::POUND
&& self.look_ahead(1u) == token::LT {
self.bump(); self.bump();
@ -1259,39 +1251,6 @@ class parser {
|p| p.parse_matcher(name_idx)).node;
}
/* temporary */
fn parse_tt_mac_demo() -> @expr {
import ext::tt::earley_parser::{parse,success,failure};
let ms = self.parse_matchers();
self.quote_depth += 1u;
let tt_rhs= self.parse_token_tree();
self.quote_depth -= 1u;
let tt_readme = self.parse_token_tree();
alt (tt_readme, tt_rhs) {
(tt_delim(tts), tt_delim(tts_rhs)) {
let rdr = lexer::new_tt_reader(self.reader.span_diag(),
self.reader.interner(), none, tts)
as reader;
let matches = alt parse(self.sess, self.cfg, rdr, ms) {
success(m) { m }
failure(sp, msg) { self.span_fatal(sp,msg); }
};
let transcriber = ext::tt::transcribe::new_tt_reader
(self.reader.span_diag(), self.reader.interner(),
some(matches), tts_rhs);
let res_parser = parser(self.sess, self.cfg,
transcriber as reader,
SOURCE_FILE);
ret res_parser.parse_expr();
}
_ { fail; }
}
}
fn parse_matcher(name_idx: @mut uint) -> matcher {
let lo = self.span.lo;