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rustc: Add a span_unimpl method to ext_ctxt

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This commit is contained in:
Brian Anderson 2011-06-04 16:55:32 -04:00
parent ecf1bd7651
commit dd588519bd
1 changed files with 13 additions and 5 deletions
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18
src/comp/front/ext.rs
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@ -23,18 +23,26 @@ fn syntax_expander_table() -> hashmap[str, syntax_extension] {
ret syntax_expanders;
}
type span_err_fn = fn (span sp, str msg) -> !;
type span_msg_fn = fn (span sp, str msg) -> !;
// Provides a limited set of services necessary for syntax extensions
// to do their thing
type ext_ctxt = rec(span_err_fn span_err);
type ext_ctxt = rec(span_msg_fn span_err,
span_msg_fn span_unimpl);
fn mk_ctxt(session sess) -> ext_ctxt {
fn ext_span_err_(session sess, span sp, str err) -> ! {
sess.span_err(sp, err);
fn ext_span_err_(session sess, span sp, str msg) -> ! {
sess.span_err(sp, msg);
}
auto ext_span_err = bind ext_span_err_(sess, _, _);
ret rec(span_err = ext_span_err);
fn ext_span_unimpl_(session sess, span sp, str msg) -> ! {
sess.span_unimpl(sp, msg);
}
auto ext_span_unimpl = bind ext_span_unimpl_(sess, _, _);
ret rec(span_err = ext_span_err,
span_unimpl = ext_span_unimpl);
}
//