bjoernager/rust
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Add support for matchers nonterminals.

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This commit is contained in:
Paul Stansifer 2012-07-06 14:48:01 -07:00
parent cabee6391d
commit caa83b41bb
3 changed files with 19 additions and 11 deletions
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10
src/libsyntax/parse/token.rs
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@ -96,10 +96,8 @@ enum whole_nt {
w_ty( @ast::ty),
w_ident(str_num, bool),
w_path(@ast::path),
// TODO: this seems to cause infinite recursion in
// type_structually_contains if it's not an @-box. We should at least get
// failure instead.
w_tt(@ast::token_tree),
w_tt( @ast::token_tree), //needs @ed to break a circularity
w_mtcs(~[ast::matcher])
}
fn binop_to_str(o: binop) -> str {
@ -193,8 +191,8 @@ fn to_str(in: interner<@str>, t: token) -> str {
w_stmt(*) { "statement" } w_pat(*) { "pattern" }
w_expr(*) { "expression" } w_ty(*) { "type" }
w_ident(*) { "identifier" } w_path(*) { "path" }
w_tt(*) { "tt" }
}
w_tt(*) { "tt" } w_mtcs(*) { "matcher sequence" }
}
}
}
}