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rustc: Use the new for protocol

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This commit is contained in:
Alex Crichton
2013-05-03 13:08:08 -04:00
parent 5eb6d19803
commit a87db3e2cd
16 changed files with 628 additions and 19 deletions
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21
src/librustc/metadata/csearch.rs
View File

@@ -44,14 +44,24 @@ pub fn get_type_param_count(cstore: @mut cstore::CStore, def: ast::def_id)
}
/// Iterates over all the language items in the given crate.
#[cfg(stage0)]
pub fn each_lang_item(cstore: @mut cstore::CStore,
cnum: ast::crate_num,
f: &fn(ast::node_id, uint) -> bool) {
let crate_data = cstore::get_crate_data(cstore, cnum);
decoder::each_lang_item(crate_data, f)
}
/// Iterates over all the language items in the given crate.
#[cfg(not(stage0))]
pub fn each_lang_item(cstore: @mut cstore::CStore,
cnum: ast::crate_num,
f: &fn(ast::node_id, uint) -> bool) -> bool {
let crate_data = cstore::get_crate_data(cstore, cnum);
decoder::each_lang_item(crate_data, f)
}
/// Iterates over all the paths in the given crate.
#[cfg(stage0)]
pub fn each_path(cstore: @mut cstore::CStore,
cnum: ast::crate_num,
f: &fn(&str, decoder::def_like) -> bool) {
@@ -61,6 +71,17 @@ pub fn each_path(cstore: @mut cstore::CStore,
};
decoder::each_path(cstore.intr, crate_data, get_crate_data, f);
}
/// Iterates over all the paths in the given crate.
#[cfg(not(stage0))]
pub fn each_path(cstore: @mut cstore::CStore,
cnum: ast::crate_num,
f: &fn(&str, decoder::def_like) -> bool) -> bool {
let crate_data = cstore::get_crate_data(cstore, cnum);
let get_crate_data: decoder::GetCrateDataCb = |cnum| {
cstore::get_crate_data(cstore, cnum)
};
decoder::each_path(cstore.intr, crate_data, get_crate_data, f)
}
pub fn get_item_path(tcx: ty::ctxt, def: ast::def_id) -> ast_map::path {
let cstore = tcx.cstore;

51
src/librustc/metadata/decoder.rs
View File

@@ -196,6 +196,7 @@ fn item_def_id(d: ebml::Doc, cdata: cmd) -> ast::def_id {
|d| parse_def_id(d)));
}
#[cfg(stage0)]
fn each_reexport(d: ebml::Doc, f: &fn(ebml::Doc) -> bool) {
for reader::tagged_docs(d, tag_items_data_item_reexport) |reexport_doc| {
if !f(reexport_doc) {
@@ -203,6 +204,15 @@ fn each_reexport(d: ebml::Doc, f: &fn(ebml::Doc) -> bool) {
}
}
}
#[cfg(not(stage0))]
fn each_reexport(d: ebml::Doc, f: &fn(ebml::Doc) -> bool) -> bool {
for reader::tagged_docs(d, tag_items_data_item_reexport) |reexport_doc| {
if !f(reexport_doc) {
return false;
}
}
return true;
}
fn variant_disr_val(d: ebml::Doc) -> Option<int> {
do reader::maybe_get_doc(d, tag_disr_val).chain |val_doc| {
@@ -454,6 +464,7 @@ fn def_like_to_def(def_like: def_like) -> ast::def {
}
/// Iterates over the language items in the given crate.
#[cfg(stage0)]
pub fn each_lang_item(cdata: cmd, f: &fn(ast::node_id, uint) -> bool) {
let root = reader::Doc(cdata.data);
let lang_items = reader::get_doc(root, tag_lang_items);
@@ -469,11 +480,29 @@ pub fn each_lang_item(cdata: cmd, f: &fn(ast::node_id, uint) -> bool) {
}
}
}
/// Iterates over the language items in the given crate.
#[cfg(not(stage0))]
pub fn each_lang_item(cdata: cmd, f: &fn(ast::node_id, uint) -> bool) -> bool {
let root = reader::Doc(cdata.data);
let lang_items = reader::get_doc(root, tag_lang_items);
for reader::tagged_docs(lang_items, tag_lang_items_item) |item_doc| {
let id_doc = reader::get_doc(item_doc, tag_lang_items_item_id);
let id = reader::doc_as_u32(id_doc) as uint;
let node_id_doc = reader::get_doc(item_doc,
tag_lang_items_item_node_id);
let node_id = reader::doc_as_u32(node_id_doc) as ast::node_id;
if !f(node_id, id) {
return false;
}
}
return true;
}
/// Iterates over all the paths in the given crate.
pub fn each_path(intr: @ident_interner, cdata: cmd,
pub fn _each_path(intr: @ident_interner, cdata: cmd,
get_crate_data: GetCrateDataCb,
f: &fn(&str, def_like) -> bool) {
f: &fn(&str, def_like) -> bool) -> bool {
let root = reader::Doc(cdata.data);
let items = reader::get_doc(root, tag_items);
let items_data = reader::get_doc(items, tag_items_data);
@@ -555,10 +584,20 @@ pub fn each_path(intr: @ident_interner, cdata: cmd,
}
}
// If broken, stop here.
if broken {
return;
}
return broken;
}
#[cfg(stage0)]
pub fn each_path(intr: @ident_interner, cdata: cmd,
get_crate_data: GetCrateDataCb,
f: &fn(&str, def_like) -> bool) {
_each_path(intr, cdata, get_crate_data, f);
}
#[cfg(not(stage0))]
pub fn each_path(intr: @ident_interner, cdata: cmd,
get_crate_data: GetCrateDataCb,
f: &fn(&str, def_like) -> bool) -> bool {
_each_path(intr, cdata, get_crate_data, f)
}
pub fn get_item_path(intr: @ident_interner, cdata: cmd, id: ast::node_id)

3
src/librustc/metadata/encoder.rs
View File

@@ -1391,11 +1391,10 @@ pub fn encode_metadata(parms: EncodeParams, crate: &crate) -> ~[u8] {
ecx.stats.total_bytes = *wr.pos;
if (tcx.sess.meta_stats()) {
do wr.bytes.each |e| {
for wr.bytes.each |e| {
if *e == 0 {
ecx.stats.zero_bytes += 1;
}
true
}
io::println("metadata stats:");

28
src/librustc/metadata/filesearch.rs
View File

@@ -21,7 +21,10 @@ pub fn pick_file(file: Path, path: &Path) -> Option<Path> {
pub trait FileSearch {
fn sysroot(&self) -> @Path;
#[cfg(stage0)]
fn for_each_lib_search_path(&self, f: &fn(&Path) -> bool);
#[cfg(not(stage0))]
fn for_each_lib_search_path(&self, f: &fn(&Path) -> bool) -> bool;
fn get_target_lib_path(&self) -> Path;
fn get_target_lib_file_path(&self, file: &Path) -> Path;
}
@@ -37,6 +40,7 @@ pub fn mk_filesearch(maybe_sysroot: &Option<@Path>,
}
impl FileSearch for FileSearchImpl {
fn sysroot(&self) -> @Path { self.sysroot }
#[cfg(stage0)]
fn for_each_lib_search_path(&self, f: &fn(&Path) -> bool) {
debug!("filesearch: searching additional lib search paths");
// a little weird
@@ -60,6 +64,30 @@ pub fn mk_filesearch(maybe_sysroot: &Option<@Path>,
result::Err(_) => true
};
}
#[cfg(not(stage0))]
fn for_each_lib_search_path(&self, f: &fn(&Path) -> bool) -> bool {
debug!("filesearch: searching additional lib search paths");
// a little weird
self.addl_lib_search_paths.each(f);
debug!("filesearch: searching target lib path");
if !f(&make_target_lib_path(self.sysroot,
self.target_triple)) {
return false;
}
debug!("filesearch: searching rustpkg lib path nearest");
if match get_rustpkg_lib_path_nearest() {
result::Ok(ref p) => f(p),
result::Err(_) => true
} {
return true;
}
debug!("filesearch: searching rustpkg lib path");
match get_rustpkg_lib_path() {
result::Ok(ref p) => f(p),
result::Err(_) => true
}
}
fn get_target_lib_path(&self) -> Path {
make_target_lib_path(self.sysroot, self.target_triple)
}

60
src/librustc/middle/borrowck/check_loans.rs
View File

@@ -67,6 +67,7 @@ enum MoveError {
pub impl<'self> CheckLoanCtxt<'self> {
fn tcx(&self) -> ty::ctxt { self.bccx.tcx }
#[cfg(stage0)]
fn each_issued_loan(&self,
scope_id: ast::node_id,
op: &fn(&Loan) -> bool)
@@ -84,7 +85,27 @@ pub impl<'self> CheckLoanCtxt<'self> {
}
}
}
#[cfg(not(stage0))]
fn each_issued_loan(&self,
scope_id: ast::node_id,
op: &fn(&Loan) -> bool) -> bool
{
//! Iterates over each loan that that has been issued
//! on entrance to `scope_id`, regardless of whether it is
//! actually *in scope* at that point. Sometimes loans
//! are issued for future scopes and thus they may have been
//! *issued* but not yet be in effect.
for self.dfcx.each_bit_on_entry(scope_id) |loan_index| {
let loan = &self.all_loans[loan_index];
if !op(loan) {
return false;
}
}
return true;
}
#[cfg(stage0)]
fn each_in_scope_loan(&self,
scope_id: ast::node_id,
op: &fn(&Loan) -> bool)
@@ -101,7 +122,26 @@ pub impl<'self> CheckLoanCtxt<'self> {
}
}
}
#[cfg(not(stage0))]
fn each_in_scope_loan(&self,
scope_id: ast::node_id,
op: &fn(&Loan) -> bool) -> bool
{
//! Like `each_issued_loan()`, but only considers loans that are
//! currently in scope.
let region_maps = self.tcx().region_maps;
for self.each_issued_loan(scope_id) |loan| {
if region_maps.is_subscope_of(scope_id, loan.kill_scope) {
if !op(loan) {
return false;
}
}
}
return true;
}
#[cfg(stage0)]
fn each_in_scope_restriction(&self,
scope_id: ast::node_id,
loan_path: @LoanPath,
@@ -120,6 +160,26 @@ pub impl<'self> CheckLoanCtxt<'self> {
}
}
}
#[cfg(not(stage0))]
fn each_in_scope_restriction(&self,
scope_id: ast::node_id,
loan_path: @LoanPath,
op: &fn(&Loan, &Restriction) -> bool) -> bool
{
//! Iterates through all the in-scope restrictions for the
//! given `loan_path`
for self.each_in_scope_loan(scope_id) |loan| {
for loan.restrictions.each |restr| {
if restr.loan_path == loan_path {
if !op(loan, restr) {
return false;
}
}
}
}
return true;
}
fn loans_generated_by(&self, scope_id: ast::node_id) -> ~[uint] {
//! Returns a vector of the loans that are generated as

61
src/librustc/middle/dataflow.rs
View File

@@ -182,6 +182,7 @@ impl<O:DataFlowOperator> DataFlowContext<O> {
}
#[cfg(stage0)]
pub fn each_bit_on_entry(&self,
id: ast::node_id,
f: &fn(uint) -> bool) {
@@ -194,7 +195,21 @@ impl<O:DataFlowOperator> DataFlowContext<O> {
id, bits_to_str(on_entry));
self.each_bit(on_entry, f);
}
#[cfg(not(stage0))]
pub fn each_bit_on_entry(&self,
id: ast::node_id,
f: &fn(uint) -> bool) -> bool {
//! Iterates through each bit that is set on entry to `id`.
//! Only useful after `propagate()` has been called.
let (start, end) = self.compute_id_range(id);
let on_entry = vec::slice(self.on_entry, start, end);
debug!("each_bit_on_entry(id=%?, on_entry=%s)",
id, bits_to_str(on_entry));
self.each_bit(on_entry, f)
}
#[cfg(stage0)]
pub fn each_gen_bit(&self,
id: ast::node_id,
f: &fn(uint) -> bool) {
@@ -206,7 +221,20 @@ impl<O:DataFlowOperator> DataFlowContext<O> {
id, bits_to_str(gens));
self.each_bit(gens, f)
}
#[cfg(not(stage0))]
pub fn each_gen_bit(&self,
id: ast::node_id,
f: &fn(uint) -> bool) -> bool {
//! Iterates through each bit in the gen set for `id`.
let (start, end) = self.compute_id_range(id);
let gens = vec::slice(self.gens, start, end);
debug!("each_gen_bit(id=%?, gens=%s)",
id, bits_to_str(gens));
self.each_bit(gens, f)
}
#[cfg(stage0)]
fn each_bit(&self,
words: &[uint],
f: &fn(uint) -> bool) {
@@ -236,6 +264,39 @@ impl<O:DataFlowOperator> DataFlowContext<O> {
}
}
}
#[cfg(not(stage0))]
fn each_bit(&self,
words: &[uint],
f: &fn(uint) -> bool) -> bool {
//! Helper for iterating over the bits in a bit set.
for words.eachi |word_index, &word| {
if word != 0 {
let base_index = word_index * uint::bits;
for uint::range(0, uint::bits) |offset| {
let bit = 1 << offset;
if (word & bit) != 0 {
// NB: we round up the total number of bits
// that we store in any given bit set so that
// it is an even multiple of uint::bits. This
// means that there may be some stray bits at
// the end that do not correspond to any
// actual value. So before we callback, check
// whether the bit_index is greater than the
// actual value the user specified and stop
// iterating if so.
let bit_index = base_index + offset;
if bit_index >= self.bits_per_id {
return true;
} else if !f(bit_index) {
return false;
}
}
}
}
}
return true;
}
}
impl<O:DataFlowOperator+Copy+'static> DataFlowContext<O> {

5
src/librustc/middle/lang_items.rs
View File

@@ -86,6 +86,7 @@ pub impl LanguageItems {
}
}
#[cfg(stage0)]
fn each_item(&self, f: &fn(def_id: def_id, i: uint) -> bool) {
for self.items.eachi |i, &item| {
if !f(item.get(), i) {
@@ -93,6 +94,10 @@ pub impl LanguageItems {
}
}
}
#[cfg(not(stage0))]
fn each_item(&self, f: &fn(def_id: def_id, i: uint) -> bool) -> bool {
self.items.eachi(|i, &item| f(item.get(), i))
}
pub fn item_name(index: uint) -> &'static str {
match index {

10
src/librustc/middle/resolve.rs
View File

@@ -2408,14 +2408,14 @@ pub impl Resolver {
let merge_import_resolution = |ident,
name_bindings: @mut NameBindings| {
let dest_import_resolution;
match module_.import_resolutions.find(ident) {
match module_.import_resolutions.find(&ident) {
None => {
// Create a new import resolution from this child.
dest_import_resolution = @mut ImportResolution(privacy,
span,
state);
module_.import_resolutions.insert
(*ident, dest_import_resolution);
(ident, dest_import_resolution);
}
Some(&existing_import_resolution) => {
dest_import_resolution = existing_import_resolution;
@@ -2424,7 +2424,7 @@ pub impl Resolver {
debug!("(resolving glob import) writing resolution `%s` in `%s` \
to `%s`, privacy=%?",
*self.session.str_of(*ident),
*self.session.str_of(ident),
self.module_to_str(containing_module),
self.module_to_str(module_),
copy dest_import_resolution.privacy);
@@ -2443,13 +2443,13 @@ pub impl Resolver {
};
// Add all children from the containing module.
for containing_module.children.each |ident, name_bindings| {
for containing_module.children.each |&ident, name_bindings| {
merge_import_resolution(ident, *name_bindings);
}
// Add external module children from the containing module.
for containing_module.external_module_children.each
|ident, module| {
|&ident, module| {
let name_bindings =
@mut Resolver::create_name_bindings_from_module(*module);
merge_import_resolution(ident, name_bindings);

10
src/librustc/middle/resolve_stage0.rs
View File

@@ -2424,14 +2424,14 @@ pub impl Resolver {
let merge_import_resolution = |ident,
name_bindings: @mut NameBindings| {
let dest_import_resolution;
match module_.import_resolutions.find(ident) {
match module_.import_resolutions.find(&ident) {
None => {
// Create a new import resolution from this child.
dest_import_resolution = @mut ImportResolution(privacy,
span,
state);
module_.import_resolutions.insert
(*ident, dest_import_resolution);
(ident, dest_import_resolution);
}
Some(existing_import_resolution) => {
dest_import_resolution = *existing_import_resolution;
@@ -2440,7 +2440,7 @@ pub impl Resolver {
debug!("(resolving glob import) writing resolution `%s` in `%s` \
to `%s`, privacy=%?",
*self.session.str_of(*ident),
*self.session.str_of(ident),
self.module_to_str(containing_module),
self.module_to_str(module_),
copy dest_import_resolution.privacy);
@@ -2459,13 +2459,13 @@ pub impl Resolver {
};
// Add all children from the containing module.
for containing_module.children.each |ident, name_bindings| {
for containing_module.children.each |&ident, name_bindings| {
merge_import_resolution(ident, *name_bindings);
}
// Add external module children from the containing module.
for containing_module.external_module_children.each
|ident, module| {
|&ident, module| {
let name_bindings =
@mut Resolver::create_name_bindings_from_module(*module);
merge_import_resolution(ident, name_bindings);

29
src/librustc/middle/trans/common.rs
View File

@@ -1369,6 +1369,7 @@ pub struct mono_id_ {
pub type mono_id = @mono_id_;
#[cfg(stage0)]
impl to_bytes::IterBytes for mono_param_id {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
match *self {
@@ -1382,18 +1383,46 @@ impl to_bytes::IterBytes for mono_param_id {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for mono_param_id {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
match *self {
mono_precise(t, ref mids) =>
to_bytes::iter_bytes_3(&0u8, &ty::type_id(t), mids, lsb0, f),
mono_any => 1u8.iter_bytes(lsb0, f),
mono_repr(ref a, ref b, ref c, ref d) =>
to_bytes::iter_bytes_5(&2u8, a, b, c, d, lsb0, f)
}
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for MonoDataClass {
fn iter_bytes(&self, lsb0: bool, f:to_bytes::Cb) {
(*self as u8).iter_bytes(lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for MonoDataClass {
fn iter_bytes(&self, lsb0: bool, f:to_bytes::Cb) -> bool {
(*self as u8).iter_bytes(lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for mono_id_ {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_2(&self.def, &self.params, lsb0, f);
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for mono_id_ {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_2(&self.def, &self.params, lsb0, f)
}
}
pub fn umax(cx: block, a: ValueRef, b: ValueRef) -> ValueRef {
let cond = build::ICmp(cx, lib::llvm::IntULT, a, b);

7
src/librustc/middle/trans/datum.rs
View File

@@ -155,11 +155,18 @@ pub impl DatumMode {
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for DatumMode {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
(*self as uint).iter_bytes(lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for DatumMode {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
(*self as uint).iter_bytes(lsb0, f)
}
}
/// See `Datum cleanup styles` section at the head of this module.
#[deriving(Eq)]

262
src/librustc/middle/ty.rs
View File

@@ -121,11 +121,18 @@ pub struct creader_cache_key {
type creader_cache = @mut HashMap<creader_cache_key, t>;
#[cfg(stage0)]
impl to_bytes::IterBytes for creader_cache_key {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_3(&self.cnum, &self.pos, &self.len, lsb0, f);
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for creader_cache_key {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_3(&self.cnum, &self.pos, &self.len, lsb0, f)
}
}
struct intern_key {
sty: *sty,
@@ -145,6 +152,7 @@ impl cmp::Eq for intern_key {
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for intern_key {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
unsafe {
@@ -152,6 +160,14 @@ impl to_bytes::IterBytes for intern_key {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for intern_key {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
unsafe {
(*self.sty).iter_bytes(lsb0, f)
}
}
}
pub enum ast_ty_to_ty_cache_entry {
atttce_unresolved, /* not resolved yet */
@@ -382,18 +398,33 @@ pub struct FnSig {
output: t
}
#[cfg(stage0)]
impl to_bytes::IterBytes for BareFnTy {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_3(&self.purity, &self.abis, &self.sig, lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for BareFnTy {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_3(&self.purity, &self.abis, &self.sig, lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for ClosureTy {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_5(&self.purity, &self.sigil, &self.onceness,
&self.region, &self.sig, lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for ClosureTy {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_5(&self.purity, &self.sigil, &self.onceness,
&self.region, &self.sig, lsb0, f)
}
}
#[deriving(Eq, IterBytes)]
pub struct param_ty {
@@ -705,6 +736,7 @@ pub enum InferTy {
FloatVar(FloatVid)
}
#[cfg(stage0)]
impl to_bytes::IterBytes for InferTy {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
match *self {
@@ -714,6 +746,16 @@ impl to_bytes::IterBytes for InferTy {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for InferTy {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
match *self {
TyVar(ref tv) => to_bytes::iter_bytes_2(&0u8, tv, lsb0, f),
IntVar(ref iv) => to_bytes::iter_bytes_2(&1u8, iv, lsb0, f),
FloatVar(ref fv) => to_bytes::iter_bytes_2(&2u8, fv, lsb0, f),
}
}
}
#[auto_encode]
#[auto_decode]
@@ -722,6 +764,7 @@ pub enum InferRegion {
ReSkolemized(uint, bound_region)
}
#[cfg(stage0)]
impl to_bytes::IterBytes for InferRegion {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
match *self {
@@ -730,6 +773,15 @@ impl to_bytes::IterBytes for InferRegion {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for InferRegion {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
match *self {
ReVar(ref rv) => to_bytes::iter_bytes_2(&0u8, rv, lsb0, f),
ReSkolemized(ref v, _) => to_bytes::iter_bytes_2(&1u8, v, lsb0, f)
}
}
}
impl cmp::Eq for InferRegion {
fn eq(&self, other: &InferRegion) -> bool {
@@ -810,29 +862,57 @@ impl ToStr for IntVarValue {
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for TyVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for TyVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for IntVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for IntVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for FloatVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for FloatVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for RegionVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
self.to_uint().iter_bytes(lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for RegionVid {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
self.to_uint().iter_bytes(lsb0, f)
}
}
pub struct TypeParameterDef {
def_id: ast::def_id,
@@ -2637,6 +2717,7 @@ impl cmp::TotalEq for bound_region {
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for vstore {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
match *self {
@@ -2651,7 +2732,23 @@ impl to_bytes::IterBytes for vstore {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for vstore {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
match *self {
vstore_fixed(ref u) =>
to_bytes::iter_bytes_2(&0u8, u, lsb0, f),
vstore_uniq => 1u8.iter_bytes(lsb0, f),
vstore_box => 2u8.iter_bytes(lsb0, f),
vstore_slice(ref r) =>
to_bytes::iter_bytes_2(&3u8, r, lsb0, f),
}
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for substs {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_3(&self.self_r,
@@ -2659,21 +2756,46 @@ impl to_bytes::IterBytes for substs {
&self.tps, lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for substs {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_3(&self.self_r,
&self.self_ty,
&self.tps, lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for mt {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_2(&self.ty,
&self.mutbl, lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for mt {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_2(&self.ty,
&self.mutbl, lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for field {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_2(&self.ident,
&self.mt, lsb0, f)
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for field {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_2(&self.ident,
&self.mt, lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for FnSig {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
to_bytes::iter_bytes_2(&self.inputs,
@@ -2681,7 +2803,16 @@ impl to_bytes::IterBytes for FnSig {
lsb0, f);
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for FnSig {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
to_bytes::iter_bytes_2(&self.inputs,
&self.output,
lsb0, f)
}
}
#[cfg(stage0)]
impl to_bytes::IterBytes for sty {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
match *self {
@@ -2756,6 +2887,81 @@ impl to_bytes::IterBytes for sty {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for sty {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
match *self {
ty_nil => 0u8.iter_bytes(lsb0, f),
ty_bool => 1u8.iter_bytes(lsb0, f),
ty_int(ref t) =>
to_bytes::iter_bytes_2(&2u8, t, lsb0, f),
ty_uint(ref t) =>
to_bytes::iter_bytes_2(&3u8, t, lsb0, f),
ty_float(ref t) =>
to_bytes::iter_bytes_2(&4u8, t, lsb0, f),
ty_estr(ref v) =>
to_bytes::iter_bytes_2(&5u8, v, lsb0, f),
ty_enum(ref did, ref substs) =>
to_bytes::iter_bytes_3(&6u8, did, substs, lsb0, f),
ty_box(ref mt) =>
to_bytes::iter_bytes_2(&7u8, mt, lsb0, f),
ty_evec(ref mt, ref v) =>
to_bytes::iter_bytes_3(&8u8, mt, v, lsb0, f),
ty_unboxed_vec(ref mt) =>
to_bytes::iter_bytes_2(&9u8, mt, lsb0, f),
ty_tup(ref ts) =>
to_bytes::iter_bytes_2(&10u8, ts, lsb0, f),
ty_bare_fn(ref ft) =>
to_bytes::iter_bytes_2(&12u8, ft, lsb0, f),
ty_self(ref did) => to_bytes::iter_bytes_2(&13u8, did, lsb0, f),
ty_infer(ref v) =>
to_bytes::iter_bytes_2(&14u8, v, lsb0, f),
ty_param(ref p) =>
to_bytes::iter_bytes_2(&15u8, p, lsb0, f),
ty_type => 16u8.iter_bytes(lsb0, f),
ty_bot => 17u8.iter_bytes(lsb0, f),
ty_ptr(ref mt) =>
to_bytes::iter_bytes_2(&18u8, mt, lsb0, f),
ty_uniq(ref mt) =>
to_bytes::iter_bytes_2(&19u8, mt, lsb0, f),
ty_trait(ref did, ref substs, ref v, ref mutbl) =>
to_bytes::iter_bytes_5(&20u8, did, substs, v, mutbl, lsb0, f),
ty_opaque_closure_ptr(ref ck) =>
to_bytes::iter_bytes_2(&21u8, ck, lsb0, f),
ty_opaque_box => 22u8.iter_bytes(lsb0, f),
ty_struct(ref did, ref substs) =>
to_bytes::iter_bytes_3(&23u8, did, substs, lsb0, f),
ty_rptr(ref r, ref mt) =>
to_bytes::iter_bytes_3(&24u8, r, mt, lsb0, f),
ty_err => 25u8.iter_bytes(lsb0, f),
ty_closure(ref ct) =>
to_bytes::iter_bytes_2(&26u8, ct, lsb0, f),
}
}
}
pub fn node_id_to_trait_ref(cx: ctxt, id: ast::node_id) -> @ty::TraitRef {
match cx.trait_refs.find(&id) {
@@ -4284,6 +4490,7 @@ pub fn determine_inherited_purity(parent: (ast::purity, ast::node_id),
// Here, the supertraits are the transitive closure of the supertrait
// relation on the supertraits from each bounded trait's constraint
// list.
#[cfg(stage0)]
pub fn each_bound_trait_and_supertraits(tcx: ctxt,
bounds: &ParamBounds,
f: &fn(@TraitRef) -> bool) {
@@ -4323,6 +4530,61 @@ pub fn each_bound_trait_and_supertraits(tcx: ctxt,
}
}
}
// Iterate over a type parameter's bounded traits and any supertraits
// of those traits, ignoring kinds.
// Here, the supertraits are the transitive closure of the supertrait
// relation on the supertraits from each bounded trait's constraint
// list.
#[cfg(not(stage0))]
pub fn each_bound_trait_and_supertraits(tcx: ctxt,
bounds: param_bounds,
f: &fn(&TraitRef) -> bool) -> bool {
for bounds.each |bound| {
let bound_trait_ref = match *bound {
ty::bound_trait(bound_t) => bound_t,
ty::bound_copy | ty::bound_owned |
ty::bound_const | ty::bound_durable => {
loop; // skip non-trait bounds
}
};
let mut supertrait_set = HashMap::new();
let mut trait_refs = ~[];
let mut i = 0;
// Seed the worklist with the trait from the bound
supertrait_set.insert(bound_trait_ref.def_id, ());
trait_refs.push(bound_trait_ref);
// Add the given trait ty to the hash map
while i < trait_refs.len() {
debug!("each_bound_trait_and_supertraits(i=%?, trait_ref=%s)",
i, trait_refs[i].repr(tcx));
if !f(trait_refs[i]) {
return false;
}
// Add supertraits to supertrait_set
let supertrait_refs = trait_ref_supertraits(tcx, trait_refs[i]);
for supertrait_refs.each |&supertrait_ref| {
debug!("each_bound_trait_and_supertraits(supertrait_ref=%s)",
supertrait_ref.repr(tcx));
let d_id = supertrait_ref.def_id;
if !supertrait_set.contains_key(&d_id) {
// FIXME(#5527) Could have same trait multiple times
supertrait_set.insert(d_id, ());
trait_refs.push(supertrait_ref);
}
}
i += 1;
}
}
return true;
}
pub fn count_traits_and_supertraits(tcx: ctxt,
type_param_defs: &[TypeParameterDef]) -> uint {

9
src/librustc/middle/typeck/check/mod.rs
View File

@@ -828,6 +828,7 @@ pub impl FnCtxt {
}
}
#[cfg(stage0)]
fn opt_node_ty_substs(&self, id: ast::node_id,
f: &fn(&ty::substs) -> bool) {
match self.inh.node_type_substs.find(&id) {
@@ -835,6 +836,14 @@ pub impl FnCtxt {
None => ()
}
}
#[cfg(not(stage0))]
fn opt_node_ty_substs(&self, id: ast::node_id,
f: &fn(&ty::substs) -> bool) -> bool {
match self.inh.node_type_substs.find(&id) {
Some(s) => f(s),
None => true
}
}
fn mk_subty(&self,
a_is_expected: bool,

22
src/librustc/middle/typeck/coherence.rs
View File

@@ -524,6 +524,7 @@ pub impl CoherenceChecker {
}
}
#[cfg(stage0)]
fn each_provided_trait_method(&self,
trait_did: ast::def_id,
f: &fn(x: @ty::method) -> bool) {
@@ -543,6 +544,27 @@ pub impl CoherenceChecker {
}
}
}
#[cfg(not(stage0))]
fn each_provided_trait_method(&self,
trait_did: ast::def_id,
f: &fn(x: @ty::method) -> bool) -> bool {
// Make a list of all the names of the provided methods.
// XXX: This is horrible.
let mut provided_method_idents = HashSet::new();
let tcx = self.crate_context.tcx;
for ty::provided_trait_methods(tcx, trait_did).each |ident| {
provided_method_idents.insert(*ident);
}
for ty::trait_methods(tcx, trait_did).each |&method| {
if provided_method_idents.contains(&method.ident) {
if !f(method) {
return false;
}
}
}
return true;
}
fn polytypes_unify(&self, polytype_a: ty_param_bounds_and_ty,
polytype_b: ty_param_bounds_and_ty)

34
src/librustc/middle/typeck/infer/region_inference.rs
View File

@@ -560,6 +560,7 @@ enum Constraint {
ConstrainVarSubReg(RegionVid, Region)
}
#[cfg(stage0)]
impl to_bytes::IterBytes for Constraint {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) {
match *self {
@@ -574,6 +575,21 @@ impl to_bytes::IterBytes for Constraint {
}
}
}
#[cfg(not(stage0))]
impl to_bytes::IterBytes for Constraint {
fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
match *self {
ConstrainVarSubVar(ref v0, ref v1) =>
to_bytes::iter_bytes_3(&0u8, v0, v1, lsb0, f),
ConstrainRegSubVar(ref ra, ref va) =>
to_bytes::iter_bytes_3(&1u8, ra, va, lsb0, f),
ConstrainVarSubReg(ref va, ref ra) =>
to_bytes::iter_bytes_3(&2u8, va, ra, lsb0, f)
}
}
}
#[deriving(Eq, IterBytes)]
struct TwoRegions {
@@ -1756,6 +1772,7 @@ pub impl RegionVarBindings {
}
}
#[cfg(stage0)]
fn each_edge(&mut self,
graph: &Graph,
node_idx: RegionVid,
@@ -1771,6 +1788,23 @@ pub impl RegionVarBindings {
edge_idx = edge_ptr.next_edge[dir as uint];
}
}
#[cfg(not(stage0))]
fn each_edge(&mut self,
graph: &Graph,
node_idx: RegionVid,
dir: Direction,
op: &fn(edge: &GraphEdge) -> bool) -> bool {
let mut edge_idx =
graph.nodes[node_idx.to_uint()].head_edge[dir as uint];
while edge_idx != uint::max_value {
let edge_ptr = &graph.edges[edge_idx];
if !op(edge_ptr) {
return false;
}
edge_idx = edge_ptr.next_edge[dir as uint];
}
return true;
}
}
fn iterate_until_fixed_point(

33
src/libstd/ebml.rs
View File

@@ -199,6 +199,7 @@ pub mod reader {
}
}
#[cfg(stage0)]
pub fn docs(d: Doc, it: &fn(uint, Doc) -> bool) {
let mut pos = d.start;
while pos < d.end {
@@ -211,7 +212,22 @@ pub mod reader {
}
}
}
#[cfg(not(stage0))]
pub fn docs(d: Doc, it: &fn(uint, Doc) -> bool) -> bool {
let mut pos = d.start;
while pos < d.end {
let elt_tag = vuint_at(*d.data, pos);
let elt_size = vuint_at(*d.data, elt_tag.next);
pos = elt_size.next + elt_size.val;
let doc = Doc { data: d.data, start: elt_size.next, end: pos };
if !it(elt_tag.val, doc) {
return false;
}
}
return true;
}
#[cfg(stage0)]
pub fn tagged_docs(d: Doc, tg: uint, it: &fn(Doc) -> bool) {
let mut pos = d.start;
while pos < d.end {
@@ -227,6 +243,23 @@ pub mod reader {
}
}
}
#[cfg(not(stage0))]
pub fn tagged_docs(d: Doc, tg: uint, it: &fn(Doc) -> bool) -> bool {
let mut pos = d.start;
while pos < d.end {
let elt_tag = vuint_at(*d.data, pos);
let elt_size = vuint_at(*d.data, elt_tag.next);
pos = elt_size.next + elt_size.val;
if elt_tag.val == tg {
let doc = Doc { data: d.data, start: elt_size.next,
end: pos };
if !it(doc) {
return false;
}
}
}
return true;
}
pub fn doc_data(d: Doc) -> ~[u8] {
vec::slice::<u8>(*d.data, d.start, d.end).to_vec()