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syntax: point quote tokens at the site of quote-using-extension invocation.

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This commit is contained in:
Graydon Hoare
2012-12-06 11:01:58 -08:00
parent 9f27bf7deb
commit d45cb27901
4 changed files with 121 additions and 90 deletions
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7
src/libsyntax/ext/base.rs
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@@ -163,6 +163,7 @@ trait ext_ctxt {
fn codemap() -> @CodeMap;
fn parse_sess() -> parse::parse_sess;
fn cfg() -> ast::crate_cfg;
fn call_site() -> span;
fn print_backtrace();
fn backtrace() -> Option<@ExpnInfo>;
fn mod_push(mod_name: ast::ident);
@@ -195,6 +196,12 @@ fn mk_ctxt(parse_sess: parse::parse_sess,
fn codemap() -> @CodeMap { self.parse_sess.cm }
fn parse_sess() -> parse::parse_sess { self.parse_sess }
fn cfg() -> ast::crate_cfg { self.cfg }
fn call_site() -> span {
match self.backtrace {
Some(@ExpandedFrom({call_site: cs, _})) => cs,
None => self.bug(~"missing top span")
}
}
fn print_backtrace() { }
fn backtrace() -> Option<@ExpnInfo> { self.backtrace }
fn mod_push(i: ast::ident) { self.mod_path.push(i); }