diff options
Diffstat (limited to 'src/libsyntax/ext/source_util.rs')
| -rw-r--r-- | src/libsyntax/ext/source_util.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/libsyntax/ext/source_util.rs b/src/libsyntax/ext/source_util.rs index 4183583d66f..3cdd3a4b2c3 100644 --- a/src/libsyntax/ext/source_util.rs +++ b/src/libsyntax/ext/source_util.rs @@ -35,7 +35,7 @@ pub fn expand_line(cx: &mut ExtCtxt, sp: Span, tts: &[tokenstream::TokenTree]) -> Box<base::MacResult+'static> { base::check_zero_tts(cx, sp, tts, "line!"); - let topmost = cx.expansion_cause(); + let topmost = cx.expansion_cause().unwrap_or(sp); let loc = cx.codemap().lookup_char_pos(topmost.lo); base::MacEager::expr(cx.expr_u32(topmost, loc.line as u32)) @@ -46,7 +46,7 @@ pub fn expand_column(cx: &mut ExtCtxt, sp: Span, tts: &[tokenstream::TokenTree]) -> Box<base::MacResult+'static> { base::check_zero_tts(cx, sp, tts, "column!"); - let topmost = cx.expansion_cause(); + let topmost = cx.expansion_cause().unwrap_or(sp); let loc = cx.codemap().lookup_char_pos(topmost.lo); base::MacEager::expr(cx.expr_u32(topmost, loc.col.to_usize() as u32)) @@ -59,7 +59,7 @@ pub fn expand_file(cx: &mut ExtCtxt, sp: Span, tts: &[tokenstream::TokenTree]) -> Box<base::MacResult+'static> { base::check_zero_tts(cx, sp, tts, "file!"); - let topmost = cx.expansion_cause(); + let topmost = cx.expansion_cause().unwrap_or(sp); let loc = cx.codemap().lookup_char_pos(topmost.lo); base::MacEager::expr(cx.expr_str(topmost, Symbol::intern(&loc.file.name))) } |