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Fix a bug where macros in expression position don't have expansion inidices in their spans

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This commit is contained in:
Nick Cameron 2015-07-08 14:29:43 +12:00
parent 8ac0bce64e
commit 84cb4ad969
1 changed files with 4 additions and 3 deletions
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7
src/libsyntax/ext/expand.rs
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@ -60,14 +60,14 @@ pub fn expand_expr(e: P<ast::Expr>, fld: &mut MacroExpander) -> P<ast::Expr> {
};
// Keep going, outside-in.
//
let fully_expanded = fld.fold_expr(expanded_expr);
let span = fld.new_span(span);
fld.cx.bt_pop();
fully_expanded.map(|e| ast::Expr {
id: ast::DUMMY_NODE_ID,
node: e.node,
span: fld.new_span(span),
span: span,
})
}
@ -367,7 +367,8 @@ pub fn expand_expr(e: P<ast::Expr>, fld: &mut MacroExpander) -> P<ast::Expr> {
/// of expansion and the mark which must be applied to the result.
/// Our current interface doesn't allow us to apply the mark to the
/// result until after calling make_expr, make_items, etc.
fn expand_mac_invoc<T, F, G>(mac: ast::Mac, span: codemap::Span,
fn expand_mac_invoc<T, F, G>(mac: ast::Mac,
span: codemap::Span,
parse_thunk: F,
mark_thunk: G,
fld: &mut MacroExpander)