77 lines
2.4 KiB
Rust
77 lines
2.4 KiB
Rust
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import syntax::ast::*;
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import syntax::visit;
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import syntax::codemap::span;
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import syntax::print::pprust::stmt_to_str;
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import aux::{num_constraints, get_fn_info, crate_ctxt, add_node};
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import ann::empty_ann;
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import pat_util::pat_binding_ids;
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fn collect_ids_expr(e: @expr, rs: @mut ~[node_id]) { vec::push(*rs, e.id); }
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fn collect_ids_block(b: blk, rs: @mut ~[node_id]) {
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vec::push(*rs, b.node.id);
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}
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fn collect_ids_stmt(s: @stmt, rs: @mut ~[node_id]) {
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match s.node {
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stmt_decl(_, id) | stmt_expr(_, id) | stmt_semi(_, id) {
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debug!{"node_id %s", int::str(id)};
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debug!{"%s", stmt_to_str(*s)};
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vec::push(*rs, id);
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}
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}
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}
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fn collect_ids_local(tcx: ty::ctxt, l: @local, rs: @mut ~[node_id]) {
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vec::push_all(*rs, pat_binding_ids(tcx.def_map, l.node.pat));
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}
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fn node_ids_in_fn(tcx: ty::ctxt, body: blk, rs: @mut ~[node_id]) {
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let collect_ids =
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visit::mk_simple_visitor(@{visit_expr: |a| collect_ids_expr(a, rs),
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visit_block: |a| collect_ids_block(a, rs),
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visit_stmt: |a| collect_ids_stmt(a, rs),
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visit_local: |a|
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collect_ids_local(tcx, a, rs)
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with *visit::default_simple_visitor()});
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collect_ids.visit_block(body, (), collect_ids);
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}
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fn init_vecs(ccx: crate_ctxt, node_ids: ~[node_id], len: uint) {
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for node_ids.each |i| {
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log(debug, int::str(i) + ~" |-> " + uint::str(len));
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add_node(ccx, i, empty_ann(len));
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}
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}
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fn visit_fn(ccx: crate_ctxt, num_constraints: uint, body: blk) {
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let node_ids: @mut ~[node_id] = @mut ~[];
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node_ids_in_fn(ccx.tcx, body, node_ids);
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let node_id_vec = *node_ids;
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init_vecs(ccx, node_id_vec, num_constraints);
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}
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fn annotate_in_fn(ccx: crate_ctxt, _fk: visit::fn_kind, _decl: fn_decl,
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body: blk, _sp: span, id: node_id) {
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let f_info = get_fn_info(ccx, id);
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visit_fn(ccx, num_constraints(f_info), body);
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}
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fn annotate_crate(ccx: crate_ctxt, crate: crate) {
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let do_ann =
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visit::mk_simple_visitor(
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@{visit_fn: |a,b,c,d,e| annotate_in_fn(ccx, a, b, c, d, e)
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with *visit::default_simple_visitor()});
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visit::visit_crate(crate, (), do_ann);
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}
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//
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// Local Variables:
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// mode: rust
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// End:
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//
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