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rustc_const_eval: fix compilation

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This commit is contained in:
Florian Diebold 2016-10-28 23:23:04 +02:00 committed by Florian Diebold
parent f55482e7c9
commit 8e754736dc
2 changed files with 18 additions and 13 deletions
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28
src/librustc_const_eval/check_match.rs
View File

@ -29,7 +29,7 @@ use rustc::ty::{self, TyCtxt};
use rustc_errors::DiagnosticBuilder;
use rustc::hir::def::*;
use rustc::hir::intravisit::{self, Visitor, FnKind};
use rustc::hir::intravisit::{self, Visitor, FnKind, NestedVisitMode};
use rustc::hir::print::pat_to_string;
use rustc::hir::{self, Pat, PatKind};
@ -41,12 +41,12 @@ use syntax_pos::Span;
struct OuterVisitor<'a, 'tcx: 'a> { tcx: TyCtxt<'a, 'tcx, 'tcx> }
impl<'a, 'v, 'tcx> Visitor<'v> for OuterVisitor<'a, 'tcx> {
fn visit_expr(&mut self, _expr: &hir::Expr) {
impl<'a, 'tcx> Visitor<'tcx> for OuterVisitor<'a, 'tcx> {
fn visit_expr(&mut self, _expr: &'tcx hir::Expr) {
return // const, static and N in [T; N] - shouldn't contain anything
}
fn visit_trait_item(&mut self, item: &hir::TraitItem) {
fn visit_trait_item(&mut self, item: &'tcx hir::TraitItem) {
if let hir::ConstTraitItem(..) = item.node {
return // nothing worth match checking in a constant
} else {
@ -54,7 +54,7 @@ impl<'a, 'v, 'tcx> Visitor<'v> for OuterVisitor<'a, 'tcx> {
}
}
fn visit_impl_item(&mut self, item: &hir::ImplItem) {
fn visit_impl_item(&mut self, item: &'tcx hir::ImplItem) {
if let hir::ImplItemKind::Const(..) = item.node {
return // nothing worth match checking in a constant
} else {
@ -62,8 +62,8 @@ impl<'a, 'v, 'tcx> Visitor<'v> for OuterVisitor<'a, 'tcx> {
}
}
fn visit_fn(&mut self, fk: FnKind<'v>, fd: &'v hir::FnDecl,
b: &'v hir::Expr, s: Span, id: ast::NodeId) {
fn visit_fn(&mut self, fk: FnKind<'tcx>, fd: &'tcx hir::FnDecl,
b: hir::ExprId, s: Span, id: ast::NodeId) {
if let FnKind::Closure(..) = fk {
span_bug!(s, "check_match: closure outside of function")
}
@ -90,8 +90,12 @@ struct MatchVisitor<'a, 'tcx: 'a> {
param_env: &'a ty::ParameterEnvironment<'tcx>
}
impl<'a, 'tcx, 'v> Visitor<'v> for MatchVisitor<'a, 'tcx> {
fn visit_expr(&mut self, ex: &hir::Expr) {
impl<'a, 'tcx> Visitor<'tcx> for MatchVisitor<'a, 'tcx> {
fn nested_visit_map(&mut self) -> Option<(&hir::map::Map<'tcx>, NestedVisitMode)> {
Some((&self.tcx.map, NestedVisitMode::OnlyBodies))
}
fn visit_expr(&mut self, ex: &'tcx hir::Expr) {
intravisit::walk_expr(self, ex);
match ex.node {
@ -102,7 +106,7 @@ impl<'a, 'tcx, 'v> Visitor<'v> for MatchVisitor<'a, 'tcx> {
}
}
fn visit_local(&mut self, loc: &hir::Local) {
fn visit_local(&mut self, loc: &'tcx hir::Local) {
intravisit::walk_local(self, loc);
self.check_irrefutable(&loc.pat, false);
@ -111,8 +115,8 @@ impl<'a, 'tcx, 'v> Visitor<'v> for MatchVisitor<'a, 'tcx> {
self.check_patterns(false, slice::ref_slice(&loc.pat));
}
fn visit_fn(&mut self, fk: FnKind<'v>, fd: &'v hir::FnDecl,
b: &'v hir::Expr, s: Span, n: ast::NodeId) {
fn visit_fn(&mut self, fk: FnKind<'tcx>, fd: &'tcx hir::FnDecl,
b: hir::ExprId, s: Span, n: ast::NodeId) {
intravisit::walk_fn(self, fk, fd, b, s, n);
for input in &fd.inputs {

3
src/librustc_const_eval/eval.rs
View File

@ -868,11 +868,12 @@ pub fn eval_const_expr_partial<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
Struct(_) => signal!(e, UnimplementedConstVal("tuple struct constructors")),
callee => signal!(e, CallOn(callee)),
};
let (decl, result) = if let Some(fn_like) = lookup_const_fn_by_id(tcx, did) {
let (decl, body_id) = if let Some(fn_like) = lookup_const_fn_by_id(tcx, did) {
(fn_like.decl(), fn_like.body())
} else {
signal!(e, NonConstPath)
};
let result = tcx.map.expr(body_id);
assert_eq!(decl.inputs.len(), args.len());
let mut call_args = DefIdMap();