88 lines
3.3 KiB
Rust
88 lines
3.3 KiB
Rust
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use common::*;
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use syntax::ast;
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use syntax::ast_util::local_def;
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use syntax::ast_map::{path, path_mod, path_name};
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use base::{trans_item, get_item_val, self_arg, trans_fn,
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impl_self, get_insn_ctxt};
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fn maybe_instantiate_inline(ccx: @crate_ctxt, fn_id: ast::def_id)
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-> ast::def_id
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{
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let _icx = ccx.insn_ctxt("maybe_instantiate_inline");
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match ccx.external.find(fn_id) {
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Some(Some(node_id)) => {
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// Already inline
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debug!("maybe_instantiate_inline(%s): already inline as node id %d",
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ty::item_path_str(ccx.tcx, fn_id), node_id);
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local_def(node_id)
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}
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Some(None) => fn_id, // Not inlinable
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None => { // Not seen yet
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match csearch::maybe_get_item_ast(
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ccx.tcx, fn_id,
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|a,b,c,d| {
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astencode::decode_inlined_item(a, b, ccx.maps, c, d)
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}) {
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csearch::not_found => {
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ccx.external.insert(fn_id, None);
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fn_id
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}
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csearch::found(ast::ii_item(item)) => {
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ccx.external.insert(fn_id, Some(item.id));
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trans_item(ccx, *item);
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local_def(item.id)
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}
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csearch::found(ast::ii_ctor(ctor, _, _, _)) => {
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ccx.external.insert(fn_id, Some(ctor.node.id));
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local_def(ctor.node.id)
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}
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csearch::found(ast::ii_foreign(item)) => {
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ccx.external.insert(fn_id, Some(item.id));
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local_def(item.id)
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}
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csearch::found_parent(parent_id, ast::ii_item(item)) => {
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ccx.external.insert(parent_id, Some(item.id));
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let mut my_id = 0;
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match item.node {
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ast::item_enum(_, _) => {
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let vs_here = ty::enum_variants(ccx.tcx, local_def(item.id));
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let vs_there = ty::enum_variants(ccx.tcx, parent_id);
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do vec::iter2(*vs_here, *vs_there) |here, there| {
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if there.id == fn_id { my_id = here.id.node; }
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ccx.external.insert(there.id, Some(here.id.node));
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}
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}
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_ => ccx.sess.bug(~"maybe_instantiate_inline: item has a \
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non-enum parent")
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}
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trans_item(ccx, *item);
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local_def(my_id)
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}
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csearch::found_parent(_, _) => {
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ccx.sess.bug(~"maybe_get_item_ast returned a found_parent \
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with a non-item parent");
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}
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csearch::found(ast::ii_method(impl_did, mth)) => {
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ccx.external.insert(fn_id, Some(mth.id));
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let {bounds: impl_bnds, region_param: _, ty: impl_ty} =
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ty::lookup_item_type(ccx.tcx, impl_did);
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if (*impl_bnds).len() + mth.tps.len() == 0u {
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let llfn = get_item_val(ccx, mth.id);
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let path = vec::append(
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ty::item_path(ccx.tcx, impl_did),
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~[path_name(mth.ident)]);
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trans_fn(ccx, path, mth.decl, mth.body,
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llfn, impl_self(impl_ty), None, mth.id);
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}
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local_def(mth.id)
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}
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csearch::found(ast::ii_dtor(dtor, _, _, _)) => {
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ccx.external.insert(fn_id, Some(dtor.node.id));
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local_def(dtor.node.id)
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}
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}
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}
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}
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}
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