util: ppaux: remove dead code
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841eb1c56f
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@ -58,14 +58,6 @@ pub fn note_and_explain_region(cx: &ctxt,
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}
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}
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/// Returns a string like "the block at 27:31" that attempts to explain a
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/// lifetime in a way it might plausibly be understood.
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pub fn explain_region(cx: &ctxt, region: ty::Region) -> ~str {
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let (res, _) = explain_region_and_span(cx, region);
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return res;
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}
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pub fn explain_region_and_span(cx: &ctxt, region: ty::Region)
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-> (~str, Option<Span>) {
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return match region {
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@ -165,42 +157,6 @@ pub fn bound_region_to_str(cx: &ctxt,
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}
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}
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pub fn ReScope_id_to_str(cx: &ctxt, node_id: ast::NodeId) -> ~str {
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match cx.map.find(node_id) {
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Some(ast_map::NodeBlock(ref blk)) => {
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format!("<block at {}>",
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cx.sess.codemap().span_to_str(blk.span))
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}
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Some(ast_map::NodeExpr(expr)) => {
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match expr.node {
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ast::ExprCall(..) => {
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format!("<call at {}>",
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cx.sess.codemap().span_to_str(expr.span))
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}
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ast::ExprMatch(..) => {
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format!("<match at {}>",
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cx.sess.codemap().span_to_str(expr.span))
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}
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ast::ExprAssignOp(..) |
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ast::ExprUnary(..) |
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ast::ExprBinary(..) |
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ast::ExprIndex(..) => {
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format!("<method at {}>",
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cx.sess.codemap().span_to_str(expr.span))
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}
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_ => {
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format!("<expression at {}>",
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cx.sess.codemap().span_to_str(expr.span))
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}
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}
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}
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None => {
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format!("<unknown-{}>", node_id)
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}
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_ => cx.sess.bug(format!("ReScope refers to {}", cx.map.node_to_str(node_id)))
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}
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}
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// In general, if you are giving a region error message,
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// you should use `explain_region()` or, better yet,
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// `note_and_explain_region()`
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@ -280,10 +236,6 @@ pub fn vec_map_to_str<T>(ts: &[T], f: |t: &T| -> ~str) -> ~str {
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format!("[{}]", tstrs.connect(", "))
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}
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pub fn tys_to_str(cx: &ctxt, ts: &[t]) -> ~str {
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vec_map_to_str(ts, |t| ty_to_str(cx, *t))
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}
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pub fn fn_sig_to_str(cx: &ctxt, typ: &ty::FnSig) -> ~str {
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format!("fn{}{} -> {}",
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typ.binder_id,
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