Auto merge of #67449 - Centril:rollup-04hvg57, r=Centril
Rollup of 7 pull requests Successful merges: - #66755 (Remove a const-if-hack in RawVec) - #67127 (Use structured suggestion for disambiguating method calls) - #67219 (Fix up Command Debug output when arg0 is specified.) - #67285 (Indicate origin of where type parameter for uninferred types ) - #67328 (Remove now-redundant range check on u128 -> f32 casts) - #67367 (Move command line option definitions into a dedicated file) - #67442 (Remove `SOCK_CLOEXEC` dummy variable on platforms that don't use it.) Failed merges: r? @ghost
This commit is contained in:
bors
commit
6b561b4917
60 changed files with 1378 additions and 1133 deletions
|
|
@ -85,6 +85,7 @@
|
|||
#![feature(const_generic_impls_guard)]
|
||||
#![feature(const_generics)]
|
||||
#![feature(const_in_array_repeat_expressions)]
|
||||
#![feature(const_if_match)]
|
||||
#![feature(cow_is_borrowed)]
|
||||
#![feature(dispatch_from_dyn)]
|
||||
#![feature(core_intrinsics)]
|
||||
|
|
|
|||
|
|
@ -52,15 +52,12 @@ impl<T, A: Alloc> RawVec<T, A> {
|
|||
/// Like `new`, but parameterized over the choice of allocator for
|
||||
/// the returned `RawVec`.
|
||||
pub const fn new_in(a: A) -> Self {
|
||||
// `!0` is `usize::MAX`. This branch should be stripped at compile time.
|
||||
// FIXME(mark-i-m): use this line when `if`s are allowed in `const`:
|
||||
//let cap = if mem::size_of::<T>() == 0 { !0 } else { 0 };
|
||||
let cap = if mem::size_of::<T>() == 0 { core::usize::MAX } else { 0 };
|
||||
|
||||
// `Unique::empty()` doubles as "unallocated" and "zero-sized allocation".
|
||||
RawVec {
|
||||
ptr: Unique::empty(),
|
||||
// FIXME(mark-i-m): use `cap` when ifs are allowed in const
|
||||
cap: [0, !0][(mem::size_of::<T>() == 0) as usize],
|
||||
cap,
|
||||
a,
|
||||
}
|
||||
}
|
||||
|
|
@ -132,19 +129,7 @@ impl<T> RawVec<T, Global> {
|
|||
/// `RawVec` with capacity `usize::MAX`. Useful for implementing
|
||||
/// delayed allocation.
|
||||
pub const fn new() -> Self {
|
||||
// FIXME(Centril): Reintegrate this with `fn new_in` when we can.
|
||||
|
||||
// `!0` is `usize::MAX`. This branch should be stripped at compile time.
|
||||
// FIXME(mark-i-m): use this line when `if`s are allowed in `const`:
|
||||
//let cap = if mem::size_of::<T>() == 0 { !0 } else { 0 };
|
||||
|
||||
// `Unique::empty()` doubles as "unallocated" and "zero-sized allocation".
|
||||
RawVec {
|
||||
ptr: Unique::empty(),
|
||||
// FIXME(mark-i-m): use `cap` when ifs are allowed in const
|
||||
cap: [0, !0][(mem::size_of::<T>() == 0) as usize],
|
||||
a: Global,
|
||||
}
|
||||
Self::new_in(Global)
|
||||
}
|
||||
|
||||
/// Creates a `RawVec` (on the system heap) with exactly the
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@ use crate::hir::{self, Body, FunctionRetTy, Expr, ExprKind, HirId, Local, Pat};
|
|||
use crate::hir::intravisit::{self, Visitor, NestedVisitorMap};
|
||||
use crate::infer::InferCtxt;
|
||||
use crate::infer::type_variable::TypeVariableOriginKind;
|
||||
use crate::ty::{self, Ty, Infer, TyVar};
|
||||
use crate::ty::{self, Ty, Infer, TyVar, DefIdTree};
|
||||
use crate::ty::print::Print;
|
||||
use syntax::source_map::DesugaringKind;
|
||||
use syntax::symbol::kw;
|
||||
|
|
@ -117,6 +117,8 @@ fn closure_return_type_suggestion(
|
|||
descr: &str,
|
||||
name: &str,
|
||||
ret: &str,
|
||||
parent_name: Option<String>,
|
||||
parent_descr: Option<&str>,
|
||||
) {
|
||||
let (arrow, post) = match output {
|
||||
FunctionRetTy::DefaultReturn(_) => ("-> ", " "),
|
||||
|
|
@ -138,7 +140,12 @@ fn closure_return_type_suggestion(
|
|||
suggestion,
|
||||
Applicability::HasPlaceholders,
|
||||
);
|
||||
err.span_label(span, InferCtxt::missing_type_msg(&name, &descr));
|
||||
err.span_label(span, InferCtxt::missing_type_msg(
|
||||
&name,
|
||||
&descr,
|
||||
parent_name,
|
||||
parent_descr
|
||||
));
|
||||
}
|
||||
|
||||
/// Given a closure signature, return a `String` containing a list of all its argument types.
|
||||
|
|
@ -177,16 +184,31 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
&self,
|
||||
ty: Ty<'tcx>,
|
||||
highlight: Option<ty::print::RegionHighlightMode>,
|
||||
) -> (String, Option<Span>, Cow<'static, str>) {
|
||||
) -> (String, Option<Span>, Cow<'static, str>, Option<String>, Option<&'static str>) {
|
||||
if let ty::Infer(ty::TyVar(ty_vid)) = ty.kind {
|
||||
let ty_vars = self.type_variables.borrow();
|
||||
let var_origin = ty_vars.var_origin(ty_vid);
|
||||
if let TypeVariableOriginKind::TypeParameterDefinition(name) = var_origin.kind {
|
||||
if let TypeVariableOriginKind::TypeParameterDefinition(name, def_id) = var_origin.kind {
|
||||
let parent_def_id = def_id.and_then(|def_id| self.tcx.parent(def_id));
|
||||
let (parent_name, parent_desc) = if let Some(parent_def_id) = parent_def_id {
|
||||
let parent_name = self.tcx.def_key(parent_def_id).disambiguated_data.data
|
||||
.get_opt_name().map(|parent_symbol| parent_symbol.to_string());
|
||||
|
||||
let type_parent_desc = self.tcx.def_kind(parent_def_id)
|
||||
.map(|parent_def_kind| parent_def_kind.descr(parent_def_id));
|
||||
|
||||
(parent_name, type_parent_desc)
|
||||
} else {
|
||||
(None, None)
|
||||
};
|
||||
|
||||
if name != kw::SelfUpper {
|
||||
return (
|
||||
name.to_string(),
|
||||
Some(var_origin.span),
|
||||
"type parameter".into(),
|
||||
parent_name,
|
||||
parent_desc,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
|
@ -198,7 +220,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
printer.region_highlight_mode = highlight;
|
||||
}
|
||||
let _ = ty.print(printer);
|
||||
(s, None, ty.prefix_string())
|
||||
(s, None, ty.prefix_string(), None, None)
|
||||
}
|
||||
|
||||
pub fn need_type_info_err(
|
||||
|
|
@ -209,7 +231,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
error_code: TypeAnnotationNeeded,
|
||||
) -> DiagnosticBuilder<'tcx> {
|
||||
let ty = self.resolve_vars_if_possible(&ty);
|
||||
let (name, name_sp, descr) = self.extract_type_name(&ty, None);
|
||||
let (name, name_sp, descr, parent_name, parent_descr) = self.extract_type_name(&ty, None);
|
||||
|
||||
|
||||
let mut local_visitor = FindLocalByTypeVisitor::new(&self, ty, &self.tcx.hir());
|
||||
let ty_to_string = |ty: Ty<'tcx>| -> String {
|
||||
|
|
@ -218,7 +241,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
let ty_vars = self.type_variables.borrow();
|
||||
let getter = move |ty_vid| {
|
||||
let var_origin = ty_vars.var_origin(ty_vid);
|
||||
if let TypeVariableOriginKind::TypeParameterDefinition(name) = var_origin.kind {
|
||||
if let TypeVariableOriginKind::TypeParameterDefinition(name, _) = var_origin.kind {
|
||||
return Some(name.to_string());
|
||||
}
|
||||
None
|
||||
|
|
@ -317,6 +340,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
&descr,
|
||||
&name,
|
||||
&ret,
|
||||
parent_name,
|
||||
parent_descr,
|
||||
);
|
||||
// We don't want to give the other suggestions when the problem is the
|
||||
// closure return type.
|
||||
|
|
@ -433,8 +458,12 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
if !err.span.span_labels().iter().any(|span_label| {
|
||||
span_label.label.is_some() && span_label.span == span
|
||||
}) && local_visitor.found_arg_pattern.is_none()
|
||||
{ // Avoid multiple labels pointing at `span`.
|
||||
err.span_label(span, InferCtxt::missing_type_msg(&name, &descr));
|
||||
{
|
||||
// Avoid multiple labels pointing at `span`.
|
||||
err.span_label(
|
||||
span,
|
||||
InferCtxt::missing_type_msg(&name, &descr, parent_name, parent_descr)
|
||||
);
|
||||
}
|
||||
|
||||
err
|
||||
|
|
@ -496,19 +525,42 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
ty: Ty<'tcx>,
|
||||
) -> DiagnosticBuilder<'tcx> {
|
||||
let ty = self.resolve_vars_if_possible(&ty);
|
||||
let (name, _, descr) = self.extract_type_name(&ty, None);
|
||||
let (name, _, descr, parent_name, parent_descr) = self.extract_type_name(&ty, None);
|
||||
|
||||
let mut err = struct_span_err!(
|
||||
self.tcx.sess, span, E0698, "type inside {} must be known in this context", kind,
|
||||
);
|
||||
err.span_label(span, InferCtxt::missing_type_msg(&name, &descr));
|
||||
err.span_label(span, InferCtxt::missing_type_msg(
|
||||
&name,
|
||||
&descr,
|
||||
parent_name,
|
||||
parent_descr
|
||||
));
|
||||
err
|
||||
}
|
||||
|
||||
fn missing_type_msg(type_name: &str, descr: &str) -> Cow<'static, str>{
|
||||
fn missing_type_msg(
|
||||
type_name: &str,
|
||||
descr: &str,
|
||||
parent_name: Option<String>,
|
||||
parent_descr: Option<&str>,
|
||||
) -> Cow<'static, str> {
|
||||
if type_name == "_" {
|
||||
"cannot infer type".into()
|
||||
} else {
|
||||
format!("cannot infer type for {} `{}`", descr, type_name).into()
|
||||
let parent_desc = if let Some(parent_name) = parent_name {
|
||||
let parent_type_descr = if let Some(parent_descr) = parent_descr {
|
||||
format!(" the {}", parent_descr)
|
||||
} else {
|
||||
"".into()
|
||||
};
|
||||
|
||||
format!(" declared on{} `{}`", parent_type_descr, parent_name)
|
||||
} else {
|
||||
"".to_string()
|
||||
};
|
||||
|
||||
format!("cannot infer type for {} `{}`{}", descr, type_name, parent_desc).into()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1135,7 +1135,10 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
self.universe(),
|
||||
false,
|
||||
TypeVariableOrigin {
|
||||
kind: TypeVariableOriginKind::TypeParameterDefinition(param.name),
|
||||
kind: TypeVariableOriginKind::TypeParameterDefinition(
|
||||
param.name,
|
||||
Some(param.def_id)
|
||||
),
|
||||
span,
|
||||
},
|
||||
);
|
||||
|
|
|
|||
|
|
@ -124,7 +124,7 @@ impl<'a, 'tcx> TypeVisitor<'tcx> for UnresolvedTypeFinder<'a, 'tcx> {
|
|||
if let ty::TyVar(ty_vid) = infer_ty {
|
||||
let ty_vars = self.infcx.type_variables.borrow();
|
||||
if let TypeVariableOrigin {
|
||||
kind: TypeVariableOriginKind::TypeParameterDefinition(_),
|
||||
kind: TypeVariableOriginKind::TypeParameterDefinition(_, _),
|
||||
span,
|
||||
} = *ty_vars.var_origin(ty_vid)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
use syntax::symbol::Symbol;
|
||||
use syntax_pos::Span;
|
||||
use crate::ty::{self, Ty, TyVid};
|
||||
use crate::hir::def_id::DefId;
|
||||
|
||||
use std::cmp;
|
||||
use std::marker::PhantomData;
|
||||
|
|
@ -49,7 +50,7 @@ pub enum TypeVariableOriginKind {
|
|||
MiscVariable,
|
||||
NormalizeProjectionType,
|
||||
TypeInference,
|
||||
TypeParameterDefinition(Symbol),
|
||||
TypeParameterDefinition(Symbol, Option<DefId>),
|
||||
|
||||
/// One of the upvars or closure kind parameters in a `ClosureSubsts`
|
||||
/// (before it has been determined).
|
||||
|
|
|
|||
|
|
@ -2113,7 +2113,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
|
|||
self.var_map.entry(ty).or_insert_with(||
|
||||
infcx.next_ty_var(
|
||||
TypeVariableOrigin {
|
||||
kind: TypeVariableOriginKind::TypeParameterDefinition(name),
|
||||
kind: TypeVariableOriginKind::TypeParameterDefinition(name, None),
|
||||
span: DUMMY_SP,
|
||||
}
|
||||
)
|
||||
|
|
|
|||
|
|
@ -212,6 +212,17 @@ pub enum AssocKind {
|
|||
Type
|
||||
}
|
||||
|
||||
impl AssocKind {
|
||||
pub fn suggestion_descr(&self) -> &'static str {
|
||||
match self {
|
||||
ty::AssocKind::Method => "method call",
|
||||
ty::AssocKind::Type |
|
||||
ty::AssocKind::OpaqueTy => "associated type",
|
||||
ty::AssocKind::Const => "associated constant",
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl AssocItem {
|
||||
pub fn def_kind(&self) -> DefKind {
|
||||
match self.kind {
|
||||
|
|
|
|||
|
|
@ -341,6 +341,13 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
|
|||
llval
|
||||
}
|
||||
}
|
||||
(CastTy::Int(_), CastTy::Float) => {
|
||||
if signed {
|
||||
bx.sitofp(llval, ll_t_out)
|
||||
} else {
|
||||
bx.uitofp(llval, ll_t_out)
|
||||
}
|
||||
}
|
||||
(CastTy::Ptr(_), CastTy::Ptr(_)) |
|
||||
(CastTy::FnPtr, CastTy::Ptr(_)) |
|
||||
(CastTy::RPtr(_), CastTy::Ptr(_)) =>
|
||||
|
|
@ -352,8 +359,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
|
|||
let usize_llval = bx.intcast(llval, bx.cx().type_isize(), signed);
|
||||
bx.inttoptr(usize_llval, ll_t_out)
|
||||
}
|
||||
(CastTy::Int(_), CastTy::Float) =>
|
||||
cast_int_to_float(&mut bx, signed, llval, ll_t_in, ll_t_out),
|
||||
(CastTy::Float, CastTy::Int(IntTy::I)) =>
|
||||
cast_float_to_int(&mut bx, true, llval, ll_t_in, ll_t_out),
|
||||
(CastTy::Float, CastTy::Int(_)) =>
|
||||
|
|
@ -720,40 +725,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
|
|||
}
|
||||
}
|
||||
|
||||
fn cast_int_to_float<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
|
||||
bx: &mut Bx,
|
||||
signed: bool,
|
||||
x: Bx::Value,
|
||||
int_ty: Bx::Type,
|
||||
float_ty: Bx::Type
|
||||
) -> Bx::Value {
|
||||
// Most integer types, even i128, fit into [-f32::MAX, f32::MAX] after rounding.
|
||||
// It's only u128 -> f32 that can cause overflows (i.e., should yield infinity).
|
||||
// LLVM's uitofp produces undef in those cases, so we manually check for that case.
|
||||
let is_u128_to_f32 = !signed &&
|
||||
bx.cx().int_width(int_ty) == 128 &&
|
||||
bx.cx().float_width(float_ty) == 32;
|
||||
if is_u128_to_f32 {
|
||||
// All inputs greater or equal to (f32::MAX + 0.5 ULP) are rounded to infinity,
|
||||
// and for everything else LLVM's uitofp works just fine.
|
||||
use rustc_apfloat::ieee::Single;
|
||||
const MAX_F32_PLUS_HALF_ULP: u128 = ((1 << (Single::PRECISION + 1)) - 1)
|
||||
<< (Single::MAX_EXP - Single::PRECISION as i16);
|
||||
let max = bx.cx().const_uint_big(int_ty, MAX_F32_PLUS_HALF_ULP);
|
||||
let overflow = bx.icmp(IntPredicate::IntUGE, x, max);
|
||||
let infinity_bits = bx.cx().const_u32(ieee::Single::INFINITY.to_bits() as u32);
|
||||
let infinity = bx.bitcast(infinity_bits, float_ty);
|
||||
let fp = bx.uitofp(x, float_ty);
|
||||
bx.select(overflow, infinity, fp)
|
||||
} else {
|
||||
if signed {
|
||||
bx.sitofp(x, float_ty)
|
||||
} else {
|
||||
bx.uitofp(x, float_ty)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn cast_float_to_int<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
|
||||
bx: &mut Bx,
|
||||
signed: bool,
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
// ignore-tidy-filelength
|
||||
|
||||
//! Contains infrastructure for configuring the compiler, including parsing
|
||||
//! command-line options.
|
||||
|
||||
pub use crate::options::*;
|
||||
|
||||
use crate::lint;
|
||||
use crate::utils::NativeLibraryKind;
|
||||
use crate::{early_error, early_warn, Session};
|
||||
|
|
@ -11,7 +11,6 @@ use crate::search_paths::SearchPath;
|
|||
use rustc_data_structures::fx::FxHashSet;
|
||||
use rustc_data_structures::impl_stable_hash_via_hash;
|
||||
|
||||
use rustc_target::spec::{LinkerFlavor, MergeFunctions, PanicStrategy, RelroLevel};
|
||||
use rustc_target::spec::{Target, TargetTriple};
|
||||
|
||||
use syntax_pos::source_map::{FileName, FilePathMapping};
|
||||
|
|
@ -31,8 +30,6 @@ use std::collections::btree_map::{
|
|||
};
|
||||
use std::fmt;
|
||||
use std::str::{self, FromStr};
|
||||
use std::hash::Hasher;
|
||||
use std::collections::hash_map::DefaultHasher;
|
||||
use std::iter::{self, FromIterator};
|
||||
use std::path::{Path, PathBuf};
|
||||
|
||||
|
|
@ -382,131 +379,6 @@ impl ExternEntry {
|
|||
}
|
||||
}
|
||||
|
||||
macro_rules! hash_option {
|
||||
($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [UNTRACKED]) => ({});
|
||||
($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [TRACKED]) => ({
|
||||
if $sub_hashes.insert(stringify!($opt_name),
|
||||
$opt_expr as &dyn dep_tracking::DepTrackingHash).is_some() {
|
||||
panic!("duplicate key in CLI DepTrackingHash: {}", stringify!($opt_name))
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
macro_rules! top_level_options {
|
||||
(pub struct Options { $(
|
||||
$opt:ident : $t:ty [$dep_tracking_marker:ident $($warn_val:expr, $warn_text:expr)*],
|
||||
)* } ) => (
|
||||
#[derive(Clone)]
|
||||
pub struct Options {
|
||||
$(pub $opt: $t),*
|
||||
}
|
||||
|
||||
impl Options {
|
||||
pub fn dep_tracking_hash(&self) -> u64 {
|
||||
let mut sub_hashes = BTreeMap::new();
|
||||
$({
|
||||
hash_option!($opt,
|
||||
&self.$opt,
|
||||
&mut sub_hashes,
|
||||
[$dep_tracking_marker $($warn_val,
|
||||
$warn_text,
|
||||
self.error_format)*]);
|
||||
})*
|
||||
let mut hasher = DefaultHasher::new();
|
||||
dep_tracking::stable_hash(sub_hashes,
|
||||
&mut hasher,
|
||||
self.error_format);
|
||||
hasher.finish()
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
// The top-level command-line options struct.
|
||||
//
|
||||
// For each option, one has to specify how it behaves with regard to the
|
||||
// dependency tracking system of incremental compilation. This is done via the
|
||||
// square-bracketed directive after the field type. The options are:
|
||||
//
|
||||
// [TRACKED]
|
||||
// A change in the given field will cause the compiler to completely clear the
|
||||
// incremental compilation cache before proceeding.
|
||||
//
|
||||
// [UNTRACKED]
|
||||
// Incremental compilation is not influenced by this option.
|
||||
//
|
||||
// If you add a new option to this struct or one of the sub-structs like
|
||||
// `CodegenOptions`, think about how it influences incremental compilation. If in
|
||||
// doubt, specify [TRACKED], which is always "correct" but might lead to
|
||||
// unnecessary re-compilation.
|
||||
top_level_options!(
|
||||
pub struct Options {
|
||||
// The crate config requested for the session, which may be combined
|
||||
// with additional crate configurations during the compile process.
|
||||
crate_types: Vec<CrateType> [TRACKED],
|
||||
optimize: OptLevel [TRACKED],
|
||||
// Include the `debug_assertions` flag in dependency tracking, since it
|
||||
// can influence whether overflow checks are done or not.
|
||||
debug_assertions: bool [TRACKED],
|
||||
debuginfo: DebugInfo [TRACKED],
|
||||
lint_opts: Vec<(String, lint::Level)> [TRACKED],
|
||||
lint_cap: Option<lint::Level> [TRACKED],
|
||||
describe_lints: bool [UNTRACKED],
|
||||
output_types: OutputTypes [TRACKED],
|
||||
search_paths: Vec<SearchPath> [UNTRACKED],
|
||||
libs: Vec<(String, Option<String>, Option<NativeLibraryKind>)> [TRACKED],
|
||||
maybe_sysroot: Option<PathBuf> [UNTRACKED],
|
||||
|
||||
target_triple: TargetTriple [TRACKED],
|
||||
|
||||
test: bool [TRACKED],
|
||||
error_format: ErrorOutputType [UNTRACKED],
|
||||
|
||||
// If `Some`, enable incremental compilation, using the given
|
||||
// directory to store intermediate results.
|
||||
incremental: Option<PathBuf> [UNTRACKED],
|
||||
|
||||
debugging_opts: DebuggingOptions [TRACKED],
|
||||
prints: Vec<PrintRequest> [UNTRACKED],
|
||||
// Determines which borrow checker(s) to run. This is the parsed, sanitized
|
||||
// version of `debugging_opts.borrowck`, which is just a plain string.
|
||||
borrowck_mode: BorrowckMode [UNTRACKED],
|
||||
cg: CodegenOptions [TRACKED],
|
||||
externs: Externs [UNTRACKED],
|
||||
crate_name: Option<String> [TRACKED],
|
||||
// An optional name to use as the crate for std during std injection,
|
||||
// written `extern crate name as std`. Defaults to `std`. Used by
|
||||
// out-of-tree drivers.
|
||||
alt_std_name: Option<String> [TRACKED],
|
||||
// Indicates how the compiler should treat unstable features.
|
||||
unstable_features: UnstableFeatures [TRACKED],
|
||||
|
||||
// Indicates whether this run of the compiler is actually rustdoc. This
|
||||
// is currently just a hack and will be removed eventually, so please
|
||||
// try to not rely on this too much.
|
||||
actually_rustdoc: bool [TRACKED],
|
||||
|
||||
// Specifications of codegen units / ThinLTO which are forced as a
|
||||
// result of parsing command line options. These are not necessarily
|
||||
// what rustc was invoked with, but massaged a bit to agree with
|
||||
// commands like `--emit llvm-ir` which they're often incompatible with
|
||||
// if we otherwise use the defaults of rustc.
|
||||
cli_forced_codegen_units: Option<usize> [UNTRACKED],
|
||||
cli_forced_thinlto_off: bool [UNTRACKED],
|
||||
|
||||
// Remap source path prefixes in all output (messages, object files, debug, etc.).
|
||||
remap_path_prefix: Vec<(PathBuf, PathBuf)> [UNTRACKED],
|
||||
|
||||
edition: Edition [TRACKED],
|
||||
|
||||
// `true` if we're emitting JSON blobs about each artifact produced
|
||||
// by the compiler.
|
||||
json_artifact_notifications: bool [TRACKED],
|
||||
|
||||
pretty: Option<PpMode> [UNTRACKED],
|
||||
}
|
||||
);
|
||||
|
||||
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
|
||||
pub enum PrintRequest {
|
||||
FileNames,
|
||||
|
|
@ -767,811 +639,6 @@ impl Passes {
|
|||
}
|
||||
}
|
||||
|
||||
/// Defines all `CodegenOptions`/`DebuggingOptions` fields and parsers all at once. The goal of this
|
||||
/// macro is to define an interface that can be programmatically used by the option parser
|
||||
/// to initialize the struct without hardcoding field names all over the place.
|
||||
///
|
||||
/// The goal is to invoke this macro once with the correct fields, and then this macro generates all
|
||||
/// necessary code. The main gotcha of this macro is the `cgsetters` module which is a bunch of
|
||||
/// generated code to parse an option into its respective field in the struct. There are a few
|
||||
/// hand-written parsers for parsing specific types of values in this module.
|
||||
macro_rules! options {
|
||||
($struct_name:ident, $setter_name:ident, $defaultfn:ident,
|
||||
$buildfn:ident, $prefix:expr, $outputname:expr,
|
||||
$stat:ident, $mod_desc:ident, $mod_set:ident,
|
||||
$($opt:ident : $t:ty = (
|
||||
$init:expr,
|
||||
$parse:ident,
|
||||
[$dep_tracking_marker:ident $(($dep_warn_val:expr, $dep_warn_text:expr))*],
|
||||
$desc:expr)
|
||||
),* ,) =>
|
||||
(
|
||||
#[derive(Clone)]
|
||||
pub struct $struct_name { $(pub $opt: $t),* }
|
||||
|
||||
pub fn $defaultfn() -> $struct_name {
|
||||
$struct_name { $($opt: $init),* }
|
||||
}
|
||||
|
||||
pub fn $buildfn(matches: &getopts::Matches, error_format: ErrorOutputType) -> $struct_name
|
||||
{
|
||||
let mut op = $defaultfn();
|
||||
for option in matches.opt_strs($prefix) {
|
||||
let mut iter = option.splitn(2, '=');
|
||||
let key = iter.next().unwrap();
|
||||
let value = iter.next();
|
||||
let option_to_lookup = key.replace("-", "_");
|
||||
let mut found = false;
|
||||
for &(candidate, setter, opt_type_desc, _) in $stat {
|
||||
if option_to_lookup != candidate { continue }
|
||||
if !setter(&mut op, value) {
|
||||
match (value, opt_type_desc) {
|
||||
(Some(..), None) => {
|
||||
early_error(error_format, &format!("{} option `{}` takes no \
|
||||
value", $outputname, key))
|
||||
}
|
||||
(None, Some(type_desc)) => {
|
||||
early_error(error_format, &format!("{0} option `{1}` requires \
|
||||
{2} ({3} {1}=<value>)",
|
||||
$outputname, key,
|
||||
type_desc, $prefix))
|
||||
}
|
||||
(Some(value), Some(type_desc)) => {
|
||||
early_error(error_format, &format!("incorrect value `{}` for {} \
|
||||
option `{}` - {} was expected",
|
||||
value, $outputname,
|
||||
key, type_desc))
|
||||
}
|
||||
(None, None) => panic!()
|
||||
}
|
||||
}
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
if !found {
|
||||
early_error(error_format, &format!("unknown {} option: `{}`",
|
||||
$outputname, key));
|
||||
}
|
||||
}
|
||||
return op;
|
||||
}
|
||||
|
||||
impl dep_tracking::DepTrackingHash for $struct_name {
|
||||
fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
|
||||
let mut sub_hashes = BTreeMap::new();
|
||||
$({
|
||||
hash_option!($opt,
|
||||
&self.$opt,
|
||||
&mut sub_hashes,
|
||||
[$dep_tracking_marker $($dep_warn_val,
|
||||
$dep_warn_text,
|
||||
error_format)*]);
|
||||
})*
|
||||
dep_tracking::stable_hash(sub_hashes, hasher, error_format);
|
||||
}
|
||||
}
|
||||
|
||||
pub type $setter_name = fn(&mut $struct_name, v: Option<&str>) -> bool;
|
||||
pub const $stat: &[(&str, $setter_name, Option<&str>, &str)] =
|
||||
&[ $( (stringify!($opt), $mod_set::$opt, $mod_desc::$parse, $desc) ),* ];
|
||||
|
||||
#[allow(non_upper_case_globals, dead_code)]
|
||||
mod $mod_desc {
|
||||
pub const parse_bool: Option<&str> = None;
|
||||
pub const parse_opt_bool: Option<&str> =
|
||||
Some("one of: `y`, `yes`, `on`, `n`, `no`, or `off`");
|
||||
pub const parse_string: Option<&str> = Some("a string");
|
||||
pub const parse_string_push: Option<&str> = Some("a string");
|
||||
pub const parse_pathbuf_push: Option<&str> = Some("a path");
|
||||
pub const parse_opt_string: Option<&str> = Some("a string");
|
||||
pub const parse_opt_pathbuf: Option<&str> = Some("a path");
|
||||
pub const parse_list: Option<&str> = Some("a space-separated list of strings");
|
||||
pub const parse_opt_list: Option<&str> = Some("a space-separated list of strings");
|
||||
pub const parse_opt_comma_list: Option<&str> = Some("a comma-separated list of strings");
|
||||
pub const parse_threads: Option<&str> = Some("a number");
|
||||
pub const parse_uint: Option<&str> = Some("a number");
|
||||
pub const parse_passes: Option<&str> =
|
||||
Some("a space-separated list of passes, or `all`");
|
||||
pub const parse_opt_uint: Option<&str> =
|
||||
Some("a number");
|
||||
pub const parse_panic_strategy: Option<&str> =
|
||||
Some("either `unwind` or `abort`");
|
||||
pub const parse_relro_level: Option<&str> =
|
||||
Some("one of: `full`, `partial`, or `off`");
|
||||
pub const parse_sanitizer: Option<&str> =
|
||||
Some("one of: `address`, `leak`, `memory` or `thread`");
|
||||
pub const parse_sanitizer_list: Option<&str> =
|
||||
Some("comma separated list of sanitizers");
|
||||
pub const parse_sanitizer_memory_track_origins: Option<&str> = None;
|
||||
pub const parse_linker_flavor: Option<&str> =
|
||||
Some(::rustc_target::spec::LinkerFlavor::one_of());
|
||||
pub const parse_optimization_fuel: Option<&str> =
|
||||
Some("crate=integer");
|
||||
pub const parse_unpretty: Option<&str> =
|
||||
Some("`string` or `string=string`");
|
||||
pub const parse_treat_err_as_bug: Option<&str> =
|
||||
Some("either no value or a number bigger than 0");
|
||||
pub const parse_lto: Option<&str> =
|
||||
Some("either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \
|
||||
`fat`, or omitted");
|
||||
pub const parse_linker_plugin_lto: Option<&str> =
|
||||
Some("either a boolean (`yes`, `no`, `on`, `off`, etc), \
|
||||
or the path to the linker plugin");
|
||||
pub const parse_switch_with_opt_path: Option<&str> =
|
||||
Some("an optional path to the profiling data output directory");
|
||||
pub const parse_merge_functions: Option<&str> =
|
||||
Some("one of: `disabled`, `trampolines`, or `aliases`");
|
||||
pub const parse_symbol_mangling_version: Option<&str> =
|
||||
Some("either `legacy` or `v0` (RFC 2603)");
|
||||
}
|
||||
|
||||
#[allow(dead_code)]
|
||||
mod $mod_set {
|
||||
use super::{$struct_name, Passes, Sanitizer, LtoCli, LinkerPluginLto, SwitchWithOptPath,
|
||||
SymbolManglingVersion};
|
||||
use rustc_target::spec::{LinkerFlavor, MergeFunctions, PanicStrategy, RelroLevel};
|
||||
use std::path::PathBuf;
|
||||
use std::str::FromStr;
|
||||
|
||||
$(
|
||||
pub fn $opt(cg: &mut $struct_name, v: Option<&str>) -> bool {
|
||||
$parse(&mut cg.$opt, v)
|
||||
}
|
||||
)*
|
||||
|
||||
fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(..) => false,
|
||||
None => { *slot = true; true }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
match s {
|
||||
"n" | "no" | "off" => {
|
||||
*slot = Some(false);
|
||||
}
|
||||
"y" | "yes" | "on" => {
|
||||
*slot = Some(true);
|
||||
}
|
||||
_ => { return false; }
|
||||
}
|
||||
|
||||
true
|
||||
},
|
||||
None => { *slot = Some(true); true }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = Some(s.to_string()); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_pathbuf(slot: &mut Option<PathBuf>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = Some(PathBuf::from(s)); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_string(slot: &mut String, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = s.to_string(); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { slot.push(s.to_string()); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_pathbuf_push(slot: &mut Vec<PathBuf>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { slot.push(PathBuf::from(s)); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_list(slot: &mut Vec<String>, v: Option<&str>)
|
||||
-> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
slot.extend(s.split_whitespace().map(|s| s.to_string()));
|
||||
true
|
||||
},
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
|
||||
-> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
let v = s.split_whitespace().map(|s| s.to_string()).collect();
|
||||
*slot = Some(v);
|
||||
true
|
||||
},
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_comma_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
|
||||
-> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
let v = s.split(',').map(|s| s.to_string()).collect();
|
||||
*slot = Some(v);
|
||||
true
|
||||
},
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_threads(slot: &mut usize, v: Option<&str>) -> bool {
|
||||
match v.and_then(|s| s.parse().ok()) {
|
||||
Some(0) => { *slot = ::num_cpus::get(); true },
|
||||
Some(i) => { *slot = i; true },
|
||||
None => false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_uint(slot: &mut usize, v: Option<&str>) -> bool {
|
||||
match v.and_then(|s| s.parse().ok()) {
|
||||
Some(i) => { *slot = i; true },
|
||||
None => false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_uint(slot: &mut Option<usize>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = s.parse().ok(); slot.is_some() }
|
||||
None => { *slot = None; false }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some("all") => {
|
||||
*slot = Passes::All;
|
||||
true
|
||||
}
|
||||
v => {
|
||||
let mut passes = vec![];
|
||||
if parse_list(&mut passes, v) {
|
||||
*slot = Passes::Some(passes);
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_panic_strategy(slot: &mut Option<PanicStrategy>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some("unwind") => *slot = Some(PanicStrategy::Unwind),
|
||||
Some("abort") => *slot = Some(PanicStrategy::Abort),
|
||||
_ => return false
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_relro_level(slot: &mut Option<RelroLevel>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
match s.parse::<RelroLevel>() {
|
||||
Ok(level) => *slot = Some(level),
|
||||
_ => return false
|
||||
}
|
||||
},
|
||||
_ => return false
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_sanitizer(slot: &mut Option<Sanitizer>, v: Option<&str>) -> bool {
|
||||
if let Some(Ok(s)) = v.map(str::parse) {
|
||||
*slot = Some(s);
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_sanitizer_list(slot: &mut Vec<Sanitizer>, v: Option<&str>) -> bool {
|
||||
if let Some(v) = v {
|
||||
for s in v.split(',').map(str::parse) {
|
||||
if let Ok(s) = s {
|
||||
if !slot.contains(&s) {
|
||||
slot.push(s);
|
||||
}
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_sanitizer_memory_track_origins(slot: &mut usize, v: Option<&str>) -> bool {
|
||||
match v.map(|s| s.parse()) {
|
||||
None => {
|
||||
*slot = 2;
|
||||
true
|
||||
}
|
||||
Some(Ok(i)) if i <= 2 => {
|
||||
*slot = i;
|
||||
true
|
||||
}
|
||||
_ => {
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_linker_flavor(slote: &mut Option<LinkerFlavor>, v: Option<&str>) -> bool {
|
||||
match v.and_then(LinkerFlavor::from_str) {
|
||||
Some(lf) => *slote = Some(lf),
|
||||
_ => return false,
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_optimization_fuel(slot: &mut Option<(String, u64)>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
None => false,
|
||||
Some(s) => {
|
||||
let parts = s.split('=').collect::<Vec<_>>();
|
||||
if parts.len() != 2 { return false; }
|
||||
let crate_name = parts[0].to_string();
|
||||
let fuel = parts[1].parse::<u64>();
|
||||
if fuel.is_err() { return false; }
|
||||
*slot = Some((crate_name, fuel.unwrap()));
|
||||
true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_unpretty(slot: &mut Option<String>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
None => false,
|
||||
Some(s) if s.split('=').count() <= 2 => {
|
||||
*slot = Some(s.to_string());
|
||||
true
|
||||
}
|
||||
_ => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_treat_err_as_bug(slot: &mut Option<usize>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = s.parse().ok().filter(|&x| x != 0); slot.unwrap_or(0) != 0 }
|
||||
None => { *slot = Some(1); true }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_lto(slot: &mut LtoCli, v: Option<&str>) -> bool {
|
||||
if v.is_some() {
|
||||
let mut bool_arg = None;
|
||||
if parse_opt_bool(&mut bool_arg, v) {
|
||||
*slot = if bool_arg.unwrap() {
|
||||
LtoCli::Yes
|
||||
} else {
|
||||
LtoCli::No
|
||||
};
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
*slot = match v {
|
||||
None => LtoCli::NoParam,
|
||||
Some("thin") => LtoCli::Thin,
|
||||
Some("fat") => LtoCli::Fat,
|
||||
Some(_) => return false,
|
||||
};
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_linker_plugin_lto(slot: &mut LinkerPluginLto, v: Option<&str>) -> bool {
|
||||
if v.is_some() {
|
||||
let mut bool_arg = None;
|
||||
if parse_opt_bool(&mut bool_arg, v) {
|
||||
*slot = if bool_arg.unwrap() {
|
||||
LinkerPluginLto::LinkerPluginAuto
|
||||
} else {
|
||||
LinkerPluginLto::Disabled
|
||||
};
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
*slot = match v {
|
||||
None => LinkerPluginLto::LinkerPluginAuto,
|
||||
Some(path) => LinkerPluginLto::LinkerPlugin(PathBuf::from(path)),
|
||||
};
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_switch_with_opt_path(slot: &mut SwitchWithOptPath, v: Option<&str>) -> bool {
|
||||
*slot = match v {
|
||||
None => SwitchWithOptPath::Enabled(None),
|
||||
Some(path) => SwitchWithOptPath::Enabled(Some(PathBuf::from(path))),
|
||||
};
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_merge_functions(slot: &mut Option<MergeFunctions>, v: Option<&str>) -> bool {
|
||||
match v.and_then(|s| MergeFunctions::from_str(s).ok()) {
|
||||
Some(mergefunc) => *slot = Some(mergefunc),
|
||||
_ => return false,
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_symbol_mangling_version(
|
||||
slot: &mut SymbolManglingVersion,
|
||||
v: Option<&str>,
|
||||
) -> bool {
|
||||
*slot = match v {
|
||||
Some("legacy") => SymbolManglingVersion::Legacy,
|
||||
Some("v0") => SymbolManglingVersion::V0,
|
||||
_ => return false,
|
||||
};
|
||||
true
|
||||
}
|
||||
}
|
||||
) }
|
||||
|
||||
options! {CodegenOptions, CodegenSetter, basic_codegen_options,
|
||||
build_codegen_options, "C", "codegen",
|
||||
CG_OPTIONS, cg_type_desc, cgsetters,
|
||||
ar: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"this option is deprecated and does nothing"),
|
||||
linker: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
|
||||
"system linker to link outputs with"),
|
||||
link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
|
||||
"a single extra argument to append to the linker invocation (can be used several times)"),
|
||||
link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
|
||||
"extra arguments to append to the linker invocation (space separated)"),
|
||||
link_dead_code: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't let linker strip dead code (turning it on can be used for code coverage)"),
|
||||
lto: LtoCli = (LtoCli::Unspecified, parse_lto, [TRACKED],
|
||||
"perform LLVM link-time optimizations"),
|
||||
target_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"select target processor (`rustc --print target-cpus` for details)"),
|
||||
target_feature: String = (String::new(), parse_string, [TRACKED],
|
||||
"target specific attributes. (`rustc --print target-features` for details). \
|
||||
This feature is unsafe."),
|
||||
passes: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
||||
"a list of extra LLVM passes to run (space separated)"),
|
||||
llvm_args: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
||||
"a list of arguments to pass to LLVM (space separated)"),
|
||||
save_temps: bool = (false, parse_bool, [UNTRACKED],
|
||||
"save all temporary output files during compilation"),
|
||||
rpath: bool = (false, parse_bool, [UNTRACKED],
|
||||
"set rpath values in libs/exes"),
|
||||
overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"use overflow checks for integer arithmetic"),
|
||||
no_prepopulate_passes: bool = (false, parse_bool, [TRACKED],
|
||||
"don't pre-populate the pass manager with a list of passes"),
|
||||
no_vectorize_loops: bool = (false, parse_bool, [TRACKED],
|
||||
"don't run the loop vectorization optimization passes"),
|
||||
no_vectorize_slp: bool = (false, parse_bool, [TRACKED],
|
||||
"don't run LLVM's SLP vectorization pass"),
|
||||
soft_float: bool = (false, parse_bool, [TRACKED],
|
||||
"use soft float ABI (*eabihf targets only)"),
|
||||
prefer_dynamic: bool = (false, parse_bool, [TRACKED],
|
||||
"prefer dynamic linking to static linking"),
|
||||
no_integrated_as: bool = (false, parse_bool, [TRACKED],
|
||||
"use an external assembler rather than LLVM's integrated one"),
|
||||
no_redzone: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"disable the use of the redzone"),
|
||||
relocation_model: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"choose the relocation model to use (`rustc --print relocation-models` for details)"),
|
||||
code_model: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"choose the code model to use (`rustc --print code-models` for details)"),
|
||||
metadata: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
||||
"metadata to mangle symbol names with"),
|
||||
extra_filename: String = (String::new(), parse_string, [UNTRACKED],
|
||||
"extra data to put in each output filename"),
|
||||
codegen_units: Option<usize> = (None, parse_opt_uint, [UNTRACKED],
|
||||
"divide crate into N units to optimize in parallel"),
|
||||
remark: Passes = (Passes::Some(Vec::new()), parse_passes, [UNTRACKED],
|
||||
"print remarks for these optimization passes (space separated, or \"all\")"),
|
||||
no_stack_check: bool = (false, parse_bool, [UNTRACKED],
|
||||
"the `--no-stack-check` flag is deprecated and does nothing"),
|
||||
debuginfo: Option<usize> = (None, parse_opt_uint, [TRACKED],
|
||||
"debug info emission level, 0 = no debug info, 1 = line tables only, \
|
||||
2 = full debug info with variable and type information"),
|
||||
opt_level: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"optimize with possible levels 0-3, s, or z"),
|
||||
force_frame_pointers: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"force use of the frame pointers"),
|
||||
debug_assertions: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"explicitly enable the `cfg(debug_assertions)` directive"),
|
||||
inline_threshold: Option<usize> = (None, parse_opt_uint, [TRACKED],
|
||||
"set the threshold for inlining a function (default: 225)"),
|
||||
panic: Option<PanicStrategy> = (None, parse_panic_strategy,
|
||||
[TRACKED], "panic strategy to compile crate with"),
|
||||
incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"enable incremental compilation"),
|
||||
default_linker_libraries: Option<bool> = (None, parse_opt_bool, [UNTRACKED],
|
||||
"allow the linker to link its default libraries"),
|
||||
linker_flavor: Option<LinkerFlavor> = (None, parse_linker_flavor, [UNTRACKED],
|
||||
"linker flavor"),
|
||||
linker_plugin_lto: LinkerPluginLto = (LinkerPluginLto::Disabled,
|
||||
parse_linker_plugin_lto, [TRACKED],
|
||||
"generate build artifacts that are compatible with linker-based LTO."),
|
||||
profile_generate: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
|
||||
parse_switch_with_opt_path, [TRACKED],
|
||||
"compile the program with profiling instrumentation"),
|
||||
profile_use: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
||||
"use the given `.profdata` file for profile-guided optimization"),
|
||||
}
|
||||
|
||||
options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
|
||||
build_debugging_options, "Z", "debugging",
|
||||
DB_OPTIONS, db_type_desc, dbsetters,
|
||||
codegen_backend: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"the backend to use"),
|
||||
verbose: bool = (false, parse_bool, [UNTRACKED],
|
||||
"in general, enable more debug printouts"),
|
||||
span_free_formats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"when debug-printing compiler state, do not include spans"), // o/w tests have closure@path
|
||||
identify_regions: bool = (false, parse_bool, [UNTRACKED],
|
||||
"make unnamed regions display as '# (where # is some non-ident unique id)"),
|
||||
borrowck: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"select which borrowck is used (`mir` or `migrate`)"),
|
||||
time_passes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"measure time of each rustc pass"),
|
||||
time: bool = (false, parse_bool, [UNTRACKED],
|
||||
"measure time of rustc processes"),
|
||||
time_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"measure time of each LLVM pass"),
|
||||
input_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"gather statistics about the input"),
|
||||
asm_comments: bool = (false, parse_bool, [TRACKED],
|
||||
"generate comments into the assembly (may change behavior)"),
|
||||
verify_llvm_ir: bool = (false, parse_bool, [TRACKED],
|
||||
"verify LLVM IR"),
|
||||
borrowck_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"gather borrowck statistics"),
|
||||
no_landing_pads: bool = (false, parse_bool, [TRACKED],
|
||||
"omit landing pads for unwinding"),
|
||||
fewer_names: bool = (false, parse_bool, [TRACKED],
|
||||
"reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR)"),
|
||||
meta_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"gather metadata statistics"),
|
||||
print_link_args: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print the arguments passed to the linker"),
|
||||
print_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"prints the LLVM optimization passes being run"),
|
||||
ast_json: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print the AST as JSON and halt"),
|
||||
// We default to 1 here since we want to behave like
|
||||
// a sequential compiler for now. This'll likely be adjusted
|
||||
// in the future. Note that -Zthreads=0 is the way to get
|
||||
// the num_cpus behavior.
|
||||
threads: usize = (1, parse_threads, [UNTRACKED],
|
||||
"use a thread pool with N threads"),
|
||||
ast_json_noexpand: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print the pre-expansion AST as JSON and halt"),
|
||||
ls: bool = (false, parse_bool, [UNTRACKED],
|
||||
"list the symbols defined by a library crate"),
|
||||
save_analysis: bool = (false, parse_bool, [UNTRACKED],
|
||||
"write syntax and type analysis (in JSON format) information, in \
|
||||
addition to normal output"),
|
||||
print_region_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"prints region inference graph. \
|
||||
Use with RUST_REGION_GRAPH=help for more info"),
|
||||
parse_only: bool = (false, parse_bool, [UNTRACKED],
|
||||
"parse only; do not compile, assemble, or link"),
|
||||
dual_proc_macros: bool = (false, parse_bool, [TRACKED],
|
||||
"load proc macros for both target and host, but only link to the target"),
|
||||
no_codegen: bool = (false, parse_bool, [TRACKED],
|
||||
"run all passes except codegen; no output"),
|
||||
treat_err_as_bug: Option<usize> = (None, parse_treat_err_as_bug, [TRACKED],
|
||||
"treat error number `val` that occurs as bug"),
|
||||
report_delayed_bugs: bool = (false, parse_bool, [TRACKED],
|
||||
"immediately print bugs registered with `delay_span_bug`"),
|
||||
external_macro_backtrace: bool = (false, parse_bool, [UNTRACKED],
|
||||
"show macro backtraces even for non-local macros"),
|
||||
teach: bool = (false, parse_bool, [TRACKED],
|
||||
"show extended diagnostic help"),
|
||||
terminal_width: Option<usize> = (None, parse_opt_uint, [UNTRACKED],
|
||||
"set the current terminal width"),
|
||||
panic_abort_tests: bool = (false, parse_bool, [TRACKED],
|
||||
"support compiling tests with panic=abort"),
|
||||
continue_parse_after_error: bool = (false, parse_bool, [TRACKED],
|
||||
"attempt to recover from parse errors (experimental)"),
|
||||
dep_tasks: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print tasks that execute and the color their dep node gets (requires debug build)"),
|
||||
incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"enable incremental compilation (experimental)"),
|
||||
incremental_queries: bool = (true, parse_bool, [UNTRACKED],
|
||||
"enable incremental compilation support for queries (experimental)"),
|
||||
incremental_info: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print high-level information about incremental reuse (or the lack thereof)"),
|
||||
incremental_dump_hash: bool = (false, parse_bool, [UNTRACKED],
|
||||
"dump hash information in textual format to stdout"),
|
||||
incremental_verify_ich: bool = (false, parse_bool, [UNTRACKED],
|
||||
"verify incr. comp. hashes of green query instances"),
|
||||
incremental_ignore_spans: bool = (false, parse_bool, [UNTRACKED],
|
||||
"ignore spans during ICH computation -- used for testing"),
|
||||
instrument_mcount: bool = (false, parse_bool, [TRACKED],
|
||||
"insert function instrument code for mcount-based tracing"),
|
||||
dump_dep_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv)"),
|
||||
query_dep_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"enable queries of the dependency graph for regression testing"),
|
||||
no_analysis: bool = (false, parse_bool, [UNTRACKED],
|
||||
"parse and expand the source, but run no analysis"),
|
||||
unstable_options: bool = (false, parse_bool, [UNTRACKED],
|
||||
"adds unstable command line options to rustc interface"),
|
||||
force_overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"force overflow checks on or off"),
|
||||
trace_macros: bool = (false, parse_bool, [UNTRACKED],
|
||||
"for every macro invocation, print its name and arguments"),
|
||||
debug_macros: bool = (false, parse_bool, [TRACKED],
|
||||
"emit line numbers debug info inside macros"),
|
||||
generate_arange_section: bool = (true, parse_bool, [TRACKED],
|
||||
"generate DWARF address ranges for faster lookups"),
|
||||
keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't clear the hygiene data after analysis"),
|
||||
keep_ast: bool = (false, parse_bool, [UNTRACKED],
|
||||
"keep the AST after lowering it to HIR"),
|
||||
show_span: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"show spans for compiler debugging (expr|pat|ty)"),
|
||||
print_type_sizes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print layout information for each type encountered"),
|
||||
print_mono_items: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"print the result of the monomorphization collection pass"),
|
||||
mir_opt_level: usize = (1, parse_uint, [TRACKED],
|
||||
"set the MIR optimization level (0-3, default: 1)"),
|
||||
mutable_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"emit noalias metadata for mutable references (default: no)"),
|
||||
dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"dump MIR state to file.
|
||||
`val` is used to select which passes and functions to dump. For example:
|
||||
`all` matches all passes and functions,
|
||||
`foo` matches all passes for functions whose name contains 'foo',
|
||||
`foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo',
|
||||
`foo | bar` all passes for function names containing 'foo' or 'bar'."),
|
||||
|
||||
dump_mir_dir: String = (String::from("mir_dump"), parse_string, [UNTRACKED],
|
||||
"the directory the MIR is dumped into"),
|
||||
dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED],
|
||||
"in addition to `.mir` files, create graphviz `.dot` files"),
|
||||
dump_mir_exclude_pass_number: bool = (false, parse_bool, [UNTRACKED],
|
||||
"if set, exclude the pass number when dumping MIR (used in tests)"),
|
||||
mir_emit_retag: bool = (false, parse_bool, [TRACKED],
|
||||
"emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0"),
|
||||
perf_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print some performance-related statistics"),
|
||||
query_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print some statistics about the query system"),
|
||||
hir_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print some statistics about AST and HIR"),
|
||||
always_encode_mir: bool = (false, parse_bool, [TRACKED],
|
||||
"encode MIR of all functions into the crate metadata"),
|
||||
json_rendered: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"describes how to render the `rendered` field of json diagnostics"),
|
||||
unleash_the_miri_inside_of_you: bool = (false, parse_bool, [TRACKED],
|
||||
"take the breaks off const evaluation. NOTE: this is unsound"),
|
||||
osx_rpath_install_name: bool = (false, parse_bool, [TRACKED],
|
||||
"pass `-install_name @rpath/...` to the macOS linker"),
|
||||
sanitizer: Option<Sanitizer> = (None, parse_sanitizer, [TRACKED],
|
||||
"use a sanitizer"),
|
||||
sanitizer_recover: Vec<Sanitizer> = (vec![], parse_sanitizer_list, [TRACKED],
|
||||
"Enable recovery for selected sanitizers"),
|
||||
sanitizer_memory_track_origins: usize = (0, parse_sanitizer_memory_track_origins, [TRACKED],
|
||||
"Enable origins tracking in MemorySanitizer"),
|
||||
fuel: Option<(String, u64)> = (None, parse_optimization_fuel, [TRACKED],
|
||||
"set the optimization fuel quota for a crate"),
|
||||
print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"make rustc print the total optimization fuel used by a crate"),
|
||||
force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED],
|
||||
"force all crates to be `rustc_private` unstable"),
|
||||
pre_link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
|
||||
"a single extra argument to prepend the linker invocation (can be used several times)"),
|
||||
pre_link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
|
||||
"extra arguments to prepend to the linker invocation (space separated)"),
|
||||
profile: bool = (false, parse_bool, [TRACKED],
|
||||
"insert profiling code"),
|
||||
disable_instrumentation_preinliner: bool = (false, parse_bool, [TRACKED],
|
||||
"Disable the instrumentation pre-inliner, useful for profiling / PGO."),
|
||||
relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED],
|
||||
"choose which RELRO level to use"),
|
||||
nll_facts: bool = (false, parse_bool, [UNTRACKED],
|
||||
"dump facts from NLL analysis into side files"),
|
||||
nll_dont_emit_read_for_match: bool = (false, parse_bool, [UNTRACKED],
|
||||
"in match codegen, do not include FakeRead statements (used by mir-borrowck)"),
|
||||
dont_buffer_diagnostics: bool = (false, parse_bool, [UNTRACKED],
|
||||
"emit diagnostics rather than buffering (breaks NLL error downgrading, sorting)."),
|
||||
polonius: bool = (false, parse_bool, [UNTRACKED],
|
||||
"enable polonius-based borrow-checker"),
|
||||
codegen_time_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"generate a graphical HTML report of time spent in codegen and LLVM"),
|
||||
thinlto: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"enable ThinLTO when possible"),
|
||||
inline_in_all_cgus: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"control whether `#[inline]` functions are in all CGUs"),
|
||||
tls_model: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"choose the TLS model to use (`rustc --print tls-models` for details)"),
|
||||
saturating_float_casts: bool = (false, parse_bool, [TRACKED],
|
||||
"make float->int casts UB-free: numbers outside the integer type's range are clipped to \
|
||||
the max/min integer respectively, and NaN is mapped to 0"),
|
||||
human_readable_cgu_names: bool = (false, parse_bool, [TRACKED],
|
||||
"generate human-readable, predictable names for codegen units"),
|
||||
dep_info_omit_d_target: bool = (false, parse_bool, [TRACKED],
|
||||
"in dep-info output, omit targets for tracking dependencies of the dep-info files \
|
||||
themselves"),
|
||||
unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED],
|
||||
"present the input source, unstable (and less-pretty) variants;
|
||||
valid types are any of the types for `--pretty`, as well as:
|
||||
`expanded`, `expanded,identified`,
|
||||
`expanded,hygiene` (with internal representations),
|
||||
`everybody_loops` (all function bodies replaced with `loop {}`),
|
||||
`hir` (the HIR), `hir,identified`,
|
||||
`hir,typed` (HIR with types for each node),
|
||||
`hir-tree` (dump the raw HIR),
|
||||
`mir` (the MIR), or `mir-cfg` (graphviz formatted MIR)"),
|
||||
run_dsymutil: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"run `dsymutil` and delete intermediate object files"),
|
||||
ui_testing: bool = (false, parse_bool, [UNTRACKED],
|
||||
"format compiler diagnostics in a way that's better suitable for UI testing"),
|
||||
embed_bitcode: bool = (false, parse_bool, [TRACKED],
|
||||
"embed LLVM bitcode in object files"),
|
||||
strip_debuginfo_if_disabled: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"tell the linker to strip debuginfo when building without debuginfo enabled."),
|
||||
share_generics: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"make the current crate share its generic instantiations"),
|
||||
chalk: bool = (false, parse_bool, [TRACKED],
|
||||
"enable the experimental Chalk-based trait solving engine"),
|
||||
no_parallel_llvm: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't run LLVM in parallel (while keeping codegen-units and ThinLTO)"),
|
||||
no_leak_check: bool = (false, parse_bool, [UNTRACKED],
|
||||
"disables the 'leak check' for subtyping; unsound, but useful for tests"),
|
||||
no_interleave_lints: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't interleave execution of lints; allows benchmarking individual lints"),
|
||||
crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],
|
||||
"inject the given attribute in the crate"),
|
||||
self_profile: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
|
||||
parse_switch_with_opt_path, [UNTRACKED],
|
||||
"run the self profiler and output the raw event data"),
|
||||
self_profile_events: Option<Vec<String>> = (None, parse_opt_comma_list, [UNTRACKED],
|
||||
"specifies which kinds of events get recorded by the self profiler"),
|
||||
emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"emits a section containing stack size metadata"),
|
||||
plt: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"whether to use the PLT when calling into shared libraries;
|
||||
only has effect for PIC code on systems with ELF binaries
|
||||
(default: PLT is disabled if full relro is enabled)"),
|
||||
merge_functions: Option<MergeFunctions> = (None, parse_merge_functions, [TRACKED],
|
||||
"control the operation of the MergeFunctions LLVM pass, taking
|
||||
the same values as the target option of the same name"),
|
||||
allow_features: Option<Vec<String>> = (None, parse_opt_comma_list, [TRACKED],
|
||||
"only allow the listed language features to be enabled in code (space separated)"),
|
||||
symbol_mangling_version: SymbolManglingVersion = (SymbolManglingVersion::Legacy,
|
||||
parse_symbol_mangling_version, [TRACKED],
|
||||
"which mangling version to use for symbol names"),
|
||||
binary_dep_depinfo: bool = (false, parse_bool, [TRACKED],
|
||||
"include artifacts (sysroot, crate dependencies) used during compilation in dep-info"),
|
||||
insert_sideeffect: bool = (false, parse_bool, [TRACKED],
|
||||
"fix undefined behavior when a thread doesn't eventually make progress \
|
||||
(such as entering an empty infinite loop) by inserting llvm.sideeffect"),
|
||||
}
|
||||
|
||||
pub const fn default_lib_output() -> CrateType {
|
||||
CrateType::Rlib
|
||||
}
|
||||
|
|
@ -2953,7 +2020,7 @@ impl PpMode {
|
|||
/// `Hash` implementation for `DepTrackingHash`. It's important though that
|
||||
/// we have an opt-in scheme here, so one is hopefully forced to think about
|
||||
/// how the hash should be calculated when adding a new command-line argument.
|
||||
mod dep_tracking {
|
||||
crate mod dep_tracking {
|
||||
use crate::lint;
|
||||
use crate::utils::NativeLibraryKind;
|
||||
use std::collections::BTreeMap;
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
#![feature(crate_visibility_modifier)]
|
||||
#![feature(test)]
|
||||
|
||||
// Use the test crate here so we depend on getopts through it. This allow tools to link to both
|
||||
|
|
@ -13,7 +14,9 @@ pub mod node_id;
|
|||
pub mod parse;
|
||||
|
||||
mod code_stats;
|
||||
#[macro_use]
|
||||
pub mod config;
|
||||
mod options;
|
||||
pub mod filesearch;
|
||||
pub mod search_paths;
|
||||
|
||||
|
|
|
|||
951
src/librustc_session/options.rs
Normal file
951
src/librustc_session/options.rs
Normal file
|
|
@ -0,0 +1,951 @@
|
|||
use crate::config::*;
|
||||
|
||||
use crate::lint;
|
||||
use crate::utils::NativeLibraryKind;
|
||||
use crate::early_error;
|
||||
use crate::search_paths::SearchPath;
|
||||
|
||||
use rustc_target::spec::{LinkerFlavor, MergeFunctions, PanicStrategy, RelroLevel};
|
||||
use rustc_target::spec::TargetTriple;
|
||||
|
||||
use syntax_pos::edition::Edition;
|
||||
use rustc_feature::UnstableFeatures;
|
||||
|
||||
use getopts;
|
||||
|
||||
use std::collections::BTreeMap;
|
||||
|
||||
use std::str;
|
||||
use std::hash::Hasher;
|
||||
use std::collections::hash_map::DefaultHasher;
|
||||
use std::path::PathBuf;
|
||||
|
||||
macro_rules! hash_option {
|
||||
($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [UNTRACKED]) => ({});
|
||||
($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [TRACKED]) => ({
|
||||
if $sub_hashes.insert(stringify!($opt_name),
|
||||
$opt_expr as &dyn dep_tracking::DepTrackingHash).is_some() {
|
||||
panic!("duplicate key in CLI DepTrackingHash: {}", stringify!($opt_name))
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
macro_rules! top_level_options {
|
||||
(pub struct Options { $(
|
||||
$opt:ident : $t:ty [$dep_tracking_marker:ident $($warn_val:expr, $warn_text:expr)*],
|
||||
)* } ) => (
|
||||
#[derive(Clone)]
|
||||
pub struct Options {
|
||||
$(pub $opt: $t),*
|
||||
}
|
||||
|
||||
impl Options {
|
||||
pub fn dep_tracking_hash(&self) -> u64 {
|
||||
let mut sub_hashes = BTreeMap::new();
|
||||
$({
|
||||
hash_option!($opt,
|
||||
&self.$opt,
|
||||
&mut sub_hashes,
|
||||
[$dep_tracking_marker $($warn_val,
|
||||
$warn_text,
|
||||
self.error_format)*]);
|
||||
})*
|
||||
let mut hasher = DefaultHasher::new();
|
||||
dep_tracking::stable_hash(sub_hashes,
|
||||
&mut hasher,
|
||||
self.error_format);
|
||||
hasher.finish()
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
// The top-level command-line options struct.
|
||||
//
|
||||
// For each option, one has to specify how it behaves with regard to the
|
||||
// dependency tracking system of incremental compilation. This is done via the
|
||||
// square-bracketed directive after the field type. The options are:
|
||||
//
|
||||
// [TRACKED]
|
||||
// A change in the given field will cause the compiler to completely clear the
|
||||
// incremental compilation cache before proceeding.
|
||||
//
|
||||
// [UNTRACKED]
|
||||
// Incremental compilation is not influenced by this option.
|
||||
//
|
||||
// If you add a new option to this struct or one of the sub-structs like
|
||||
// `CodegenOptions`, think about how it influences incremental compilation. If in
|
||||
// doubt, specify [TRACKED], which is always "correct" but might lead to
|
||||
// unnecessary re-compilation.
|
||||
top_level_options!(
|
||||
pub struct Options {
|
||||
// The crate config requested for the session, which may be combined
|
||||
// with additional crate configurations during the compile process.
|
||||
crate_types: Vec<CrateType> [TRACKED],
|
||||
optimize: OptLevel [TRACKED],
|
||||
// Include the `debug_assertions` flag in dependency tracking, since it
|
||||
// can influence whether overflow checks are done or not.
|
||||
debug_assertions: bool [TRACKED],
|
||||
debuginfo: DebugInfo [TRACKED],
|
||||
lint_opts: Vec<(String, lint::Level)> [TRACKED],
|
||||
lint_cap: Option<lint::Level> [TRACKED],
|
||||
describe_lints: bool [UNTRACKED],
|
||||
output_types: OutputTypes [TRACKED],
|
||||
search_paths: Vec<SearchPath> [UNTRACKED],
|
||||
libs: Vec<(String, Option<String>, Option<NativeLibraryKind>)> [TRACKED],
|
||||
maybe_sysroot: Option<PathBuf> [UNTRACKED],
|
||||
|
||||
target_triple: TargetTriple [TRACKED],
|
||||
|
||||
test: bool [TRACKED],
|
||||
error_format: ErrorOutputType [UNTRACKED],
|
||||
|
||||
// If `Some`, enable incremental compilation, using the given
|
||||
// directory to store intermediate results.
|
||||
incremental: Option<PathBuf> [UNTRACKED],
|
||||
|
||||
debugging_opts: DebuggingOptions [TRACKED],
|
||||
prints: Vec<PrintRequest> [UNTRACKED],
|
||||
// Determines which borrow checker(s) to run. This is the parsed, sanitized
|
||||
// version of `debugging_opts.borrowck`, which is just a plain string.
|
||||
borrowck_mode: BorrowckMode [UNTRACKED],
|
||||
cg: CodegenOptions [TRACKED],
|
||||
externs: Externs [UNTRACKED],
|
||||
crate_name: Option<String> [TRACKED],
|
||||
// An optional name to use as the crate for std during std injection,
|
||||
// written `extern crate name as std`. Defaults to `std`. Used by
|
||||
// out-of-tree drivers.
|
||||
alt_std_name: Option<String> [TRACKED],
|
||||
// Indicates how the compiler should treat unstable features.
|
||||
unstable_features: UnstableFeatures [TRACKED],
|
||||
|
||||
// Indicates whether this run of the compiler is actually rustdoc. This
|
||||
// is currently just a hack and will be removed eventually, so please
|
||||
// try to not rely on this too much.
|
||||
actually_rustdoc: bool [TRACKED],
|
||||
|
||||
// Specifications of codegen units / ThinLTO which are forced as a
|
||||
// result of parsing command line options. These are not necessarily
|
||||
// what rustc was invoked with, but massaged a bit to agree with
|
||||
// commands like `--emit llvm-ir` which they're often incompatible with
|
||||
// if we otherwise use the defaults of rustc.
|
||||
cli_forced_codegen_units: Option<usize> [UNTRACKED],
|
||||
cli_forced_thinlto_off: bool [UNTRACKED],
|
||||
|
||||
// Remap source path prefixes in all output (messages, object files, debug, etc.).
|
||||
remap_path_prefix: Vec<(PathBuf, PathBuf)> [UNTRACKED],
|
||||
|
||||
edition: Edition [TRACKED],
|
||||
|
||||
// `true` if we're emitting JSON blobs about each artifact produced
|
||||
// by the compiler.
|
||||
json_artifact_notifications: bool [TRACKED],
|
||||
|
||||
pretty: Option<PpMode> [UNTRACKED],
|
||||
}
|
||||
);
|
||||
|
||||
/// Defines all `CodegenOptions`/`DebuggingOptions` fields and parsers all at once. The goal of this
|
||||
/// macro is to define an interface that can be programmatically used by the option parser
|
||||
/// to initialize the struct without hardcoding field names all over the place.
|
||||
///
|
||||
/// The goal is to invoke this macro once with the correct fields, and then this macro generates all
|
||||
/// necessary code. The main gotcha of this macro is the `cgsetters` module which is a bunch of
|
||||
/// generated code to parse an option into its respective field in the struct. There are a few
|
||||
/// hand-written parsers for parsing specific types of values in this module.
|
||||
macro_rules! options {
|
||||
($struct_name:ident, $setter_name:ident, $defaultfn:ident,
|
||||
$buildfn:ident, $prefix:expr, $outputname:expr,
|
||||
$stat:ident, $mod_desc:ident, $mod_set:ident,
|
||||
$($opt:ident : $t:ty = (
|
||||
$init:expr,
|
||||
$parse:ident,
|
||||
[$dep_tracking_marker:ident $(($dep_warn_val:expr, $dep_warn_text:expr))*],
|
||||
$desc:expr)
|
||||
),* ,) =>
|
||||
(
|
||||
#[derive(Clone)]
|
||||
pub struct $struct_name { $(pub $opt: $t),* }
|
||||
|
||||
pub fn $defaultfn() -> $struct_name {
|
||||
$struct_name { $($opt: $init),* }
|
||||
}
|
||||
|
||||
pub fn $buildfn(matches: &getopts::Matches, error_format: ErrorOutputType) -> $struct_name
|
||||
{
|
||||
let mut op = $defaultfn();
|
||||
for option in matches.opt_strs($prefix) {
|
||||
let mut iter = option.splitn(2, '=');
|
||||
let key = iter.next().unwrap();
|
||||
let value = iter.next();
|
||||
let option_to_lookup = key.replace("-", "_");
|
||||
let mut found = false;
|
||||
for &(candidate, setter, opt_type_desc, _) in $stat {
|
||||
if option_to_lookup != candidate { continue }
|
||||
if !setter(&mut op, value) {
|
||||
match (value, opt_type_desc) {
|
||||
(Some(..), None) => {
|
||||
early_error(error_format, &format!("{} option `{}` takes no \
|
||||
value", $outputname, key))
|
||||
}
|
||||
(None, Some(type_desc)) => {
|
||||
early_error(error_format, &format!("{0} option `{1}` requires \
|
||||
{2} ({3} {1}=<value>)",
|
||||
$outputname, key,
|
||||
type_desc, $prefix))
|
||||
}
|
||||
(Some(value), Some(type_desc)) => {
|
||||
early_error(error_format, &format!("incorrect value `{}` for {} \
|
||||
option `{}` - {} was expected",
|
||||
value, $outputname,
|
||||
key, type_desc))
|
||||
}
|
||||
(None, None) => panic!()
|
||||
}
|
||||
}
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
if !found {
|
||||
early_error(error_format, &format!("unknown {} option: `{}`",
|
||||
$outputname, key));
|
||||
}
|
||||
}
|
||||
return op;
|
||||
}
|
||||
|
||||
impl dep_tracking::DepTrackingHash for $struct_name {
|
||||
fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
|
||||
let mut sub_hashes = BTreeMap::new();
|
||||
$({
|
||||
hash_option!($opt,
|
||||
&self.$opt,
|
||||
&mut sub_hashes,
|
||||
[$dep_tracking_marker $($dep_warn_val,
|
||||
$dep_warn_text,
|
||||
error_format)*]);
|
||||
})*
|
||||
dep_tracking::stable_hash(sub_hashes, hasher, error_format);
|
||||
}
|
||||
}
|
||||
|
||||
pub type $setter_name = fn(&mut $struct_name, v: Option<&str>) -> bool;
|
||||
pub const $stat: &[(&str, $setter_name, Option<&str>, &str)] =
|
||||
&[ $( (stringify!($opt), $mod_set::$opt, $mod_desc::$parse, $desc) ),* ];
|
||||
|
||||
#[allow(non_upper_case_globals, dead_code)]
|
||||
mod $mod_desc {
|
||||
pub const parse_bool: Option<&str> = None;
|
||||
pub const parse_opt_bool: Option<&str> =
|
||||
Some("one of: `y`, `yes`, `on`, `n`, `no`, or `off`");
|
||||
pub const parse_string: Option<&str> = Some("a string");
|
||||
pub const parse_string_push: Option<&str> = Some("a string");
|
||||
pub const parse_pathbuf_push: Option<&str> = Some("a path");
|
||||
pub const parse_opt_string: Option<&str> = Some("a string");
|
||||
pub const parse_opt_pathbuf: Option<&str> = Some("a path");
|
||||
pub const parse_list: Option<&str> = Some("a space-separated list of strings");
|
||||
pub const parse_opt_list: Option<&str> = Some("a space-separated list of strings");
|
||||
pub const parse_opt_comma_list: Option<&str> = Some("a comma-separated list of strings");
|
||||
pub const parse_threads: Option<&str> = Some("a number");
|
||||
pub const parse_uint: Option<&str> = Some("a number");
|
||||
pub const parse_passes: Option<&str> =
|
||||
Some("a space-separated list of passes, or `all`");
|
||||
pub const parse_opt_uint: Option<&str> =
|
||||
Some("a number");
|
||||
pub const parse_panic_strategy: Option<&str> =
|
||||
Some("either `unwind` or `abort`");
|
||||
pub const parse_relro_level: Option<&str> =
|
||||
Some("one of: `full`, `partial`, or `off`");
|
||||
pub const parse_sanitizer: Option<&str> =
|
||||
Some("one of: `address`, `leak`, `memory` or `thread`");
|
||||
pub const parse_sanitizer_list: Option<&str> =
|
||||
Some("comma separated list of sanitizers");
|
||||
pub const parse_sanitizer_memory_track_origins: Option<&str> = None;
|
||||
pub const parse_linker_flavor: Option<&str> =
|
||||
Some(::rustc_target::spec::LinkerFlavor::one_of());
|
||||
pub const parse_optimization_fuel: Option<&str> =
|
||||
Some("crate=integer");
|
||||
pub const parse_unpretty: Option<&str> =
|
||||
Some("`string` or `string=string`");
|
||||
pub const parse_treat_err_as_bug: Option<&str> =
|
||||
Some("either no value or a number bigger than 0");
|
||||
pub const parse_lto: Option<&str> =
|
||||
Some("either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \
|
||||
`fat`, or omitted");
|
||||
pub const parse_linker_plugin_lto: Option<&str> =
|
||||
Some("either a boolean (`yes`, `no`, `on`, `off`, etc), \
|
||||
or the path to the linker plugin");
|
||||
pub const parse_switch_with_opt_path: Option<&str> =
|
||||
Some("an optional path to the profiling data output directory");
|
||||
pub const parse_merge_functions: Option<&str> =
|
||||
Some("one of: `disabled`, `trampolines`, or `aliases`");
|
||||
pub const parse_symbol_mangling_version: Option<&str> =
|
||||
Some("either `legacy` or `v0` (RFC 2603)");
|
||||
}
|
||||
|
||||
#[allow(dead_code)]
|
||||
mod $mod_set {
|
||||
use super::{$struct_name, Passes, Sanitizer, LtoCli, LinkerPluginLto, SwitchWithOptPath,
|
||||
SymbolManglingVersion};
|
||||
use rustc_target::spec::{LinkerFlavor, MergeFunctions, PanicStrategy, RelroLevel};
|
||||
use std::path::PathBuf;
|
||||
use std::str::FromStr;
|
||||
|
||||
$(
|
||||
pub fn $opt(cg: &mut $struct_name, v: Option<&str>) -> bool {
|
||||
$parse(&mut cg.$opt, v)
|
||||
}
|
||||
)*
|
||||
|
||||
fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(..) => false,
|
||||
None => { *slot = true; true }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
match s {
|
||||
"n" | "no" | "off" => {
|
||||
*slot = Some(false);
|
||||
}
|
||||
"y" | "yes" | "on" => {
|
||||
*slot = Some(true);
|
||||
}
|
||||
_ => { return false; }
|
||||
}
|
||||
|
||||
true
|
||||
},
|
||||
None => { *slot = Some(true); true }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = Some(s.to_string()); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_pathbuf(slot: &mut Option<PathBuf>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = Some(PathBuf::from(s)); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_string(slot: &mut String, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = s.to_string(); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { slot.push(s.to_string()); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_pathbuf_push(slot: &mut Vec<PathBuf>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { slot.push(PathBuf::from(s)); true },
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_list(slot: &mut Vec<String>, v: Option<&str>)
|
||||
-> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
slot.extend(s.split_whitespace().map(|s| s.to_string()));
|
||||
true
|
||||
},
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
|
||||
-> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
let v = s.split_whitespace().map(|s| s.to_string()).collect();
|
||||
*slot = Some(v);
|
||||
true
|
||||
},
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_comma_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
|
||||
-> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
let v = s.split(',').map(|s| s.to_string()).collect();
|
||||
*slot = Some(v);
|
||||
true
|
||||
},
|
||||
None => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_threads(slot: &mut usize, v: Option<&str>) -> bool {
|
||||
match v.and_then(|s| s.parse().ok()) {
|
||||
Some(0) => { *slot = ::num_cpus::get(); true },
|
||||
Some(i) => { *slot = i; true },
|
||||
None => false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_uint(slot: &mut usize, v: Option<&str>) -> bool {
|
||||
match v.and_then(|s| s.parse().ok()) {
|
||||
Some(i) => { *slot = i; true },
|
||||
None => false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_opt_uint(slot: &mut Option<usize>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = s.parse().ok(); slot.is_some() }
|
||||
None => { *slot = None; false }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some("all") => {
|
||||
*slot = Passes::All;
|
||||
true
|
||||
}
|
||||
v => {
|
||||
let mut passes = vec![];
|
||||
if parse_list(&mut passes, v) {
|
||||
*slot = Passes::Some(passes);
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_panic_strategy(slot: &mut Option<PanicStrategy>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some("unwind") => *slot = Some(PanicStrategy::Unwind),
|
||||
Some("abort") => *slot = Some(PanicStrategy::Abort),
|
||||
_ => return false
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_relro_level(slot: &mut Option<RelroLevel>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => {
|
||||
match s.parse::<RelroLevel>() {
|
||||
Ok(level) => *slot = Some(level),
|
||||
_ => return false
|
||||
}
|
||||
},
|
||||
_ => return false
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_sanitizer(slot: &mut Option<Sanitizer>, v: Option<&str>) -> bool {
|
||||
if let Some(Ok(s)) = v.map(str::parse) {
|
||||
*slot = Some(s);
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_sanitizer_list(slot: &mut Vec<Sanitizer>, v: Option<&str>) -> bool {
|
||||
if let Some(v) = v {
|
||||
for s in v.split(',').map(str::parse) {
|
||||
if let Ok(s) = s {
|
||||
if !slot.contains(&s) {
|
||||
slot.push(s);
|
||||
}
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_sanitizer_memory_track_origins(slot: &mut usize, v: Option<&str>) -> bool {
|
||||
match v.map(|s| s.parse()) {
|
||||
None => {
|
||||
*slot = 2;
|
||||
true
|
||||
}
|
||||
Some(Ok(i)) if i <= 2 => {
|
||||
*slot = i;
|
||||
true
|
||||
}
|
||||
_ => {
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_linker_flavor(slote: &mut Option<LinkerFlavor>, v: Option<&str>) -> bool {
|
||||
match v.and_then(LinkerFlavor::from_str) {
|
||||
Some(lf) => *slote = Some(lf),
|
||||
_ => return false,
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_optimization_fuel(slot: &mut Option<(String, u64)>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
None => false,
|
||||
Some(s) => {
|
||||
let parts = s.split('=').collect::<Vec<_>>();
|
||||
if parts.len() != 2 { return false; }
|
||||
let crate_name = parts[0].to_string();
|
||||
let fuel = parts[1].parse::<u64>();
|
||||
if fuel.is_err() { return false; }
|
||||
*slot = Some((crate_name, fuel.unwrap()));
|
||||
true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_unpretty(slot: &mut Option<String>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
None => false,
|
||||
Some(s) if s.split('=').count() <= 2 => {
|
||||
*slot = Some(s.to_string());
|
||||
true
|
||||
}
|
||||
_ => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_treat_err_as_bug(slot: &mut Option<usize>, v: Option<&str>) -> bool {
|
||||
match v {
|
||||
Some(s) => { *slot = s.parse().ok().filter(|&x| x != 0); slot.unwrap_or(0) != 0 }
|
||||
None => { *slot = Some(1); true }
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_lto(slot: &mut LtoCli, v: Option<&str>) -> bool {
|
||||
if v.is_some() {
|
||||
let mut bool_arg = None;
|
||||
if parse_opt_bool(&mut bool_arg, v) {
|
||||
*slot = if bool_arg.unwrap() {
|
||||
LtoCli::Yes
|
||||
} else {
|
||||
LtoCli::No
|
||||
};
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
*slot = match v {
|
||||
None => LtoCli::NoParam,
|
||||
Some("thin") => LtoCli::Thin,
|
||||
Some("fat") => LtoCli::Fat,
|
||||
Some(_) => return false,
|
||||
};
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_linker_plugin_lto(slot: &mut LinkerPluginLto, v: Option<&str>) -> bool {
|
||||
if v.is_some() {
|
||||
let mut bool_arg = None;
|
||||
if parse_opt_bool(&mut bool_arg, v) {
|
||||
*slot = if bool_arg.unwrap() {
|
||||
LinkerPluginLto::LinkerPluginAuto
|
||||
} else {
|
||||
LinkerPluginLto::Disabled
|
||||
};
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
*slot = match v {
|
||||
None => LinkerPluginLto::LinkerPluginAuto,
|
||||
Some(path) => LinkerPluginLto::LinkerPlugin(PathBuf::from(path)),
|
||||
};
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_switch_with_opt_path(slot: &mut SwitchWithOptPath, v: Option<&str>) -> bool {
|
||||
*slot = match v {
|
||||
None => SwitchWithOptPath::Enabled(None),
|
||||
Some(path) => SwitchWithOptPath::Enabled(Some(PathBuf::from(path))),
|
||||
};
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_merge_functions(slot: &mut Option<MergeFunctions>, v: Option<&str>) -> bool {
|
||||
match v.and_then(|s| MergeFunctions::from_str(s).ok()) {
|
||||
Some(mergefunc) => *slot = Some(mergefunc),
|
||||
_ => return false,
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn parse_symbol_mangling_version(
|
||||
slot: &mut SymbolManglingVersion,
|
||||
v: Option<&str>,
|
||||
) -> bool {
|
||||
*slot = match v {
|
||||
Some("legacy") => SymbolManglingVersion::Legacy,
|
||||
Some("v0") => SymbolManglingVersion::V0,
|
||||
_ => return false,
|
||||
};
|
||||
true
|
||||
}
|
||||
}
|
||||
) }
|
||||
|
||||
options! {CodegenOptions, CodegenSetter, basic_codegen_options,
|
||||
build_codegen_options, "C", "codegen",
|
||||
CG_OPTIONS, cg_type_desc, cgsetters,
|
||||
ar: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"this option is deprecated and does nothing"),
|
||||
linker: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
|
||||
"system linker to link outputs with"),
|
||||
link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
|
||||
"a single extra argument to append to the linker invocation (can be used several times)"),
|
||||
link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
|
||||
"extra arguments to append to the linker invocation (space separated)"),
|
||||
link_dead_code: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't let linker strip dead code (turning it on can be used for code coverage)"),
|
||||
lto: LtoCli = (LtoCli::Unspecified, parse_lto, [TRACKED],
|
||||
"perform LLVM link-time optimizations"),
|
||||
target_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"select target processor (`rustc --print target-cpus` for details)"),
|
||||
target_feature: String = (String::new(), parse_string, [TRACKED],
|
||||
"target specific attributes. (`rustc --print target-features` for details). \
|
||||
This feature is unsafe."),
|
||||
passes: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
||||
"a list of extra LLVM passes to run (space separated)"),
|
||||
llvm_args: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
||||
"a list of arguments to pass to LLVM (space separated)"),
|
||||
save_temps: bool = (false, parse_bool, [UNTRACKED],
|
||||
"save all temporary output files during compilation"),
|
||||
rpath: bool = (false, parse_bool, [UNTRACKED],
|
||||
"set rpath values in libs/exes"),
|
||||
overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"use overflow checks for integer arithmetic"),
|
||||
no_prepopulate_passes: bool = (false, parse_bool, [TRACKED],
|
||||
"don't pre-populate the pass manager with a list of passes"),
|
||||
no_vectorize_loops: bool = (false, parse_bool, [TRACKED],
|
||||
"don't run the loop vectorization optimization passes"),
|
||||
no_vectorize_slp: bool = (false, parse_bool, [TRACKED],
|
||||
"don't run LLVM's SLP vectorization pass"),
|
||||
soft_float: bool = (false, parse_bool, [TRACKED],
|
||||
"use soft float ABI (*eabihf targets only)"),
|
||||
prefer_dynamic: bool = (false, parse_bool, [TRACKED],
|
||||
"prefer dynamic linking to static linking"),
|
||||
no_integrated_as: bool = (false, parse_bool, [TRACKED],
|
||||
"use an external assembler rather than LLVM's integrated one"),
|
||||
no_redzone: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"disable the use of the redzone"),
|
||||
relocation_model: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"choose the relocation model to use (`rustc --print relocation-models` for details)"),
|
||||
code_model: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"choose the code model to use (`rustc --print code-models` for details)"),
|
||||
metadata: Vec<String> = (Vec::new(), parse_list, [TRACKED],
|
||||
"metadata to mangle symbol names with"),
|
||||
extra_filename: String = (String::new(), parse_string, [UNTRACKED],
|
||||
"extra data to put in each output filename"),
|
||||
codegen_units: Option<usize> = (None, parse_opt_uint, [UNTRACKED],
|
||||
"divide crate into N units to optimize in parallel"),
|
||||
remark: Passes = (Passes::Some(Vec::new()), parse_passes, [UNTRACKED],
|
||||
"print remarks for these optimization passes (space separated, or \"all\")"),
|
||||
no_stack_check: bool = (false, parse_bool, [UNTRACKED],
|
||||
"the `--no-stack-check` flag is deprecated and does nothing"),
|
||||
debuginfo: Option<usize> = (None, parse_opt_uint, [TRACKED],
|
||||
"debug info emission level, 0 = no debug info, 1 = line tables only, \
|
||||
2 = full debug info with variable and type information"),
|
||||
opt_level: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"optimize with possible levels 0-3, s, or z"),
|
||||
force_frame_pointers: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"force use of the frame pointers"),
|
||||
debug_assertions: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"explicitly enable the `cfg(debug_assertions)` directive"),
|
||||
inline_threshold: Option<usize> = (None, parse_opt_uint, [TRACKED],
|
||||
"set the threshold for inlining a function (default: 225)"),
|
||||
panic: Option<PanicStrategy> = (None, parse_panic_strategy,
|
||||
[TRACKED], "panic strategy to compile crate with"),
|
||||
incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"enable incremental compilation"),
|
||||
default_linker_libraries: Option<bool> = (None, parse_opt_bool, [UNTRACKED],
|
||||
"allow the linker to link its default libraries"),
|
||||
linker_flavor: Option<LinkerFlavor> = (None, parse_linker_flavor, [UNTRACKED],
|
||||
"linker flavor"),
|
||||
linker_plugin_lto: LinkerPluginLto = (LinkerPluginLto::Disabled,
|
||||
parse_linker_plugin_lto, [TRACKED],
|
||||
"generate build artifacts that are compatible with linker-based LTO."),
|
||||
profile_generate: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
|
||||
parse_switch_with_opt_path, [TRACKED],
|
||||
"compile the program with profiling instrumentation"),
|
||||
profile_use: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED],
|
||||
"use the given `.profdata` file for profile-guided optimization"),
|
||||
}
|
||||
|
||||
options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
|
||||
build_debugging_options, "Z", "debugging",
|
||||
DB_OPTIONS, db_type_desc, dbsetters,
|
||||
codegen_backend: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"the backend to use"),
|
||||
verbose: bool = (false, parse_bool, [UNTRACKED],
|
||||
"in general, enable more debug printouts"),
|
||||
span_free_formats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"when debug-printing compiler state, do not include spans"), // o/w tests have closure@path
|
||||
identify_regions: bool = (false, parse_bool, [UNTRACKED],
|
||||
"make unnamed regions display as '# (where # is some non-ident unique id)"),
|
||||
borrowck: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"select which borrowck is used (`mir` or `migrate`)"),
|
||||
time_passes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"measure time of each rustc pass"),
|
||||
time: bool = (false, parse_bool, [UNTRACKED],
|
||||
"measure time of rustc processes"),
|
||||
time_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"measure time of each LLVM pass"),
|
||||
input_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"gather statistics about the input"),
|
||||
asm_comments: bool = (false, parse_bool, [TRACKED],
|
||||
"generate comments into the assembly (may change behavior)"),
|
||||
verify_llvm_ir: bool = (false, parse_bool, [TRACKED],
|
||||
"verify LLVM IR"),
|
||||
borrowck_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"gather borrowck statistics"),
|
||||
no_landing_pads: bool = (false, parse_bool, [TRACKED],
|
||||
"omit landing pads for unwinding"),
|
||||
fewer_names: bool = (false, parse_bool, [TRACKED],
|
||||
"reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR)"),
|
||||
meta_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"gather metadata statistics"),
|
||||
print_link_args: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print the arguments passed to the linker"),
|
||||
print_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"prints the LLVM optimization passes being run"),
|
||||
ast_json: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print the AST as JSON and halt"),
|
||||
// We default to 1 here since we want to behave like
|
||||
// a sequential compiler for now. This'll likely be adjusted
|
||||
// in the future. Note that -Zthreads=0 is the way to get
|
||||
// the num_cpus behavior.
|
||||
threads: usize = (1, parse_threads, [UNTRACKED],
|
||||
"use a thread pool with N threads"),
|
||||
ast_json_noexpand: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print the pre-expansion AST as JSON and halt"),
|
||||
ls: bool = (false, parse_bool, [UNTRACKED],
|
||||
"list the symbols defined by a library crate"),
|
||||
save_analysis: bool = (false, parse_bool, [UNTRACKED],
|
||||
"write syntax and type analysis (in JSON format) information, in \
|
||||
addition to normal output"),
|
||||
print_region_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"prints region inference graph. \
|
||||
Use with RUST_REGION_GRAPH=help for more info"),
|
||||
parse_only: bool = (false, parse_bool, [UNTRACKED],
|
||||
"parse only; do not compile, assemble, or link"),
|
||||
dual_proc_macros: bool = (false, parse_bool, [TRACKED],
|
||||
"load proc macros for both target and host, but only link to the target"),
|
||||
no_codegen: bool = (false, parse_bool, [TRACKED],
|
||||
"run all passes except codegen; no output"),
|
||||
treat_err_as_bug: Option<usize> = (None, parse_treat_err_as_bug, [TRACKED],
|
||||
"treat error number `val` that occurs as bug"),
|
||||
report_delayed_bugs: bool = (false, parse_bool, [TRACKED],
|
||||
"immediately print bugs registered with `delay_span_bug`"),
|
||||
external_macro_backtrace: bool = (false, parse_bool, [UNTRACKED],
|
||||
"show macro backtraces even for non-local macros"),
|
||||
teach: bool = (false, parse_bool, [TRACKED],
|
||||
"show extended diagnostic help"),
|
||||
terminal_width: Option<usize> = (None, parse_opt_uint, [UNTRACKED],
|
||||
"set the current terminal width"),
|
||||
panic_abort_tests: bool = (false, parse_bool, [TRACKED],
|
||||
"support compiling tests with panic=abort"),
|
||||
continue_parse_after_error: bool = (false, parse_bool, [TRACKED],
|
||||
"attempt to recover from parse errors (experimental)"),
|
||||
dep_tasks: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print tasks that execute and the color their dep node gets (requires debug build)"),
|
||||
incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"enable incremental compilation (experimental)"),
|
||||
incremental_queries: bool = (true, parse_bool, [UNTRACKED],
|
||||
"enable incremental compilation support for queries (experimental)"),
|
||||
incremental_info: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print high-level information about incremental reuse (or the lack thereof)"),
|
||||
incremental_dump_hash: bool = (false, parse_bool, [UNTRACKED],
|
||||
"dump hash information in textual format to stdout"),
|
||||
incremental_verify_ich: bool = (false, parse_bool, [UNTRACKED],
|
||||
"verify incr. comp. hashes of green query instances"),
|
||||
incremental_ignore_spans: bool = (false, parse_bool, [UNTRACKED],
|
||||
"ignore spans during ICH computation -- used for testing"),
|
||||
instrument_mcount: bool = (false, parse_bool, [TRACKED],
|
||||
"insert function instrument code for mcount-based tracing"),
|
||||
dump_dep_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv)"),
|
||||
query_dep_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"enable queries of the dependency graph for regression testing"),
|
||||
no_analysis: bool = (false, parse_bool, [UNTRACKED],
|
||||
"parse and expand the source, but run no analysis"),
|
||||
unstable_options: bool = (false, parse_bool, [UNTRACKED],
|
||||
"adds unstable command line options to rustc interface"),
|
||||
force_overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"force overflow checks on or off"),
|
||||
trace_macros: bool = (false, parse_bool, [UNTRACKED],
|
||||
"for every macro invocation, print its name and arguments"),
|
||||
debug_macros: bool = (false, parse_bool, [TRACKED],
|
||||
"emit line numbers debug info inside macros"),
|
||||
generate_arange_section: bool = (true, parse_bool, [TRACKED],
|
||||
"generate DWARF address ranges for faster lookups"),
|
||||
keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't clear the hygiene data after analysis"),
|
||||
keep_ast: bool = (false, parse_bool, [UNTRACKED],
|
||||
"keep the AST after lowering it to HIR"),
|
||||
show_span: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"show spans for compiler debugging (expr|pat|ty)"),
|
||||
print_type_sizes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print layout information for each type encountered"),
|
||||
print_mono_items: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"print the result of the monomorphization collection pass"),
|
||||
mir_opt_level: usize = (1, parse_uint, [TRACKED],
|
||||
"set the MIR optimization level (0-3, default: 1)"),
|
||||
mutable_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"emit noalias metadata for mutable references (default: no)"),
|
||||
dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"dump MIR state to file.
|
||||
`val` is used to select which passes and functions to dump. For example:
|
||||
`all` matches all passes and functions,
|
||||
`foo` matches all passes for functions whose name contains 'foo',
|
||||
`foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo',
|
||||
`foo | bar` all passes for function names containing 'foo' or 'bar'."),
|
||||
|
||||
dump_mir_dir: String = (String::from("mir_dump"), parse_string, [UNTRACKED],
|
||||
"the directory the MIR is dumped into"),
|
||||
dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED],
|
||||
"in addition to `.mir` files, create graphviz `.dot` files"),
|
||||
dump_mir_exclude_pass_number: bool = (false, parse_bool, [UNTRACKED],
|
||||
"if set, exclude the pass number when dumping MIR (used in tests)"),
|
||||
mir_emit_retag: bool = (false, parse_bool, [TRACKED],
|
||||
"emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0"),
|
||||
perf_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print some performance-related statistics"),
|
||||
query_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print some statistics about the query system"),
|
||||
hir_stats: bool = (false, parse_bool, [UNTRACKED],
|
||||
"print some statistics about AST and HIR"),
|
||||
always_encode_mir: bool = (false, parse_bool, [TRACKED],
|
||||
"encode MIR of all functions into the crate metadata"),
|
||||
json_rendered: Option<String> = (None, parse_opt_string, [UNTRACKED],
|
||||
"describes how to render the `rendered` field of json diagnostics"),
|
||||
unleash_the_miri_inside_of_you: bool = (false, parse_bool, [TRACKED],
|
||||
"take the breaks off const evaluation. NOTE: this is unsound"),
|
||||
osx_rpath_install_name: bool = (false, parse_bool, [TRACKED],
|
||||
"pass `-install_name @rpath/...` to the macOS linker"),
|
||||
sanitizer: Option<Sanitizer> = (None, parse_sanitizer, [TRACKED],
|
||||
"use a sanitizer"),
|
||||
sanitizer_recover: Vec<Sanitizer> = (vec![], parse_sanitizer_list, [TRACKED],
|
||||
"Enable recovery for selected sanitizers"),
|
||||
sanitizer_memory_track_origins: usize = (0, parse_sanitizer_memory_track_origins, [TRACKED],
|
||||
"Enable origins tracking in MemorySanitizer"),
|
||||
fuel: Option<(String, u64)> = (None, parse_optimization_fuel, [TRACKED],
|
||||
"set the optimization fuel quota for a crate"),
|
||||
print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"make rustc print the total optimization fuel used by a crate"),
|
||||
force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED],
|
||||
"force all crates to be `rustc_private` unstable"),
|
||||
pre_link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
|
||||
"a single extra argument to prepend the linker invocation (can be used several times)"),
|
||||
pre_link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
|
||||
"extra arguments to prepend to the linker invocation (space separated)"),
|
||||
profile: bool = (false, parse_bool, [TRACKED],
|
||||
"insert profiling code"),
|
||||
disable_instrumentation_preinliner: bool = (false, parse_bool, [TRACKED],
|
||||
"Disable the instrumentation pre-inliner, useful for profiling / PGO."),
|
||||
relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED],
|
||||
"choose which RELRO level to use"),
|
||||
nll_facts: bool = (false, parse_bool, [UNTRACKED],
|
||||
"dump facts from NLL analysis into side files"),
|
||||
nll_dont_emit_read_for_match: bool = (false, parse_bool, [UNTRACKED],
|
||||
"in match codegen, do not include FakeRead statements (used by mir-borrowck)"),
|
||||
dont_buffer_diagnostics: bool = (false, parse_bool, [UNTRACKED],
|
||||
"emit diagnostics rather than buffering (breaks NLL error downgrading, sorting)."),
|
||||
polonius: bool = (false, parse_bool, [UNTRACKED],
|
||||
"enable polonius-based borrow-checker"),
|
||||
codegen_time_graph: bool = (false, parse_bool, [UNTRACKED],
|
||||
"generate a graphical HTML report of time spent in codegen and LLVM"),
|
||||
thinlto: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"enable ThinLTO when possible"),
|
||||
inline_in_all_cgus: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"control whether `#[inline]` functions are in all CGUs"),
|
||||
tls_model: Option<String> = (None, parse_opt_string, [TRACKED],
|
||||
"choose the TLS model to use (`rustc --print tls-models` for details)"),
|
||||
saturating_float_casts: bool = (false, parse_bool, [TRACKED],
|
||||
"make float->int casts UB-free: numbers outside the integer type's range are clipped to \
|
||||
the max/min integer respectively, and NaN is mapped to 0"),
|
||||
human_readable_cgu_names: bool = (false, parse_bool, [TRACKED],
|
||||
"generate human-readable, predictable names for codegen units"),
|
||||
dep_info_omit_d_target: bool = (false, parse_bool, [TRACKED],
|
||||
"in dep-info output, omit targets for tracking dependencies of the dep-info files \
|
||||
themselves"),
|
||||
unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED],
|
||||
"present the input source, unstable (and less-pretty) variants;
|
||||
valid types are any of the types for `--pretty`, as well as:
|
||||
`expanded`, `expanded,identified`,
|
||||
`expanded,hygiene` (with internal representations),
|
||||
`everybody_loops` (all function bodies replaced with `loop {}`),
|
||||
`hir` (the HIR), `hir,identified`,
|
||||
`hir,typed` (HIR with types for each node),
|
||||
`hir-tree` (dump the raw HIR),
|
||||
`mir` (the MIR), or `mir-cfg` (graphviz formatted MIR)"),
|
||||
run_dsymutil: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"run `dsymutil` and delete intermediate object files"),
|
||||
ui_testing: bool = (false, parse_bool, [UNTRACKED],
|
||||
"format compiler diagnostics in a way that's better suitable for UI testing"),
|
||||
embed_bitcode: bool = (false, parse_bool, [TRACKED],
|
||||
"embed LLVM bitcode in object files"),
|
||||
strip_debuginfo_if_disabled: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"tell the linker to strip debuginfo when building without debuginfo enabled."),
|
||||
share_generics: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"make the current crate share its generic instantiations"),
|
||||
chalk: bool = (false, parse_bool, [TRACKED],
|
||||
"enable the experimental Chalk-based trait solving engine"),
|
||||
no_parallel_llvm: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't run LLVM in parallel (while keeping codegen-units and ThinLTO)"),
|
||||
no_leak_check: bool = (false, parse_bool, [UNTRACKED],
|
||||
"disables the 'leak check' for subtyping; unsound, but useful for tests"),
|
||||
no_interleave_lints: bool = (false, parse_bool, [UNTRACKED],
|
||||
"don't interleave execution of lints; allows benchmarking individual lints"),
|
||||
crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],
|
||||
"inject the given attribute in the crate"),
|
||||
self_profile: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
|
||||
parse_switch_with_opt_path, [UNTRACKED],
|
||||
"run the self profiler and output the raw event data"),
|
||||
self_profile_events: Option<Vec<String>> = (None, parse_opt_comma_list, [UNTRACKED],
|
||||
"specifies which kinds of events get recorded by the self profiler"),
|
||||
emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED],
|
||||
"emits a section containing stack size metadata"),
|
||||
plt: Option<bool> = (None, parse_opt_bool, [TRACKED],
|
||||
"whether to use the PLT when calling into shared libraries;
|
||||
only has effect for PIC code on systems with ELF binaries
|
||||
(default: PLT is disabled if full relro is enabled)"),
|
||||
merge_functions: Option<MergeFunctions> = (None, parse_merge_functions, [TRACKED],
|
||||
"control the operation of the MergeFunctions LLVM pass, taking
|
||||
the same values as the target option of the same name"),
|
||||
allow_features: Option<Vec<String>> = (None, parse_opt_comma_list, [TRACKED],
|
||||
"only allow the listed language features to be enabled in code (space separated)"),
|
||||
symbol_mangling_version: SymbolManglingVersion = (SymbolManglingVersion::Legacy,
|
||||
parse_symbol_mangling_version, [TRACKED],
|
||||
"which mangling version to use for symbol names"),
|
||||
binary_dep_depinfo: bool = (false, parse_bool, [TRACKED],
|
||||
"include artifacts (sysroot, crate dependencies) used during compilation in dep-info"),
|
||||
insert_sideeffect: bool = (false, parse_bool, [TRACKED],
|
||||
"fix undefined behavior when a thread doesn't eventually make progress \
|
||||
(such as entering an empty infinite loop) by inserting llvm.sideeffect"),
|
||||
}
|
||||
|
|
@ -1425,8 +1425,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
field: ast::Ident,
|
||||
) -> Ty<'tcx> {
|
||||
let expr_t = self.check_expr_with_needs(base, needs);
|
||||
let expr_t = self.structurally_resolved_type(base.span,
|
||||
expr_t);
|
||||
let expr_t = self.structurally_resolved_type(base.span, expr_t);
|
||||
let mut private_candidate = None;
|
||||
let mut autoderef = self.autoderef(expr.span, expr_t);
|
||||
while let Some((base_t, _)) = autoderef.next() {
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ use rustc::traits::Obligation;
|
|||
use rustc::ty::{self, Ty, TyCtxt, ToPolyTraitRef, ToPredicate, TypeFoldable};
|
||||
use rustc::ty::print::with_crate_prefix;
|
||||
use syntax_pos::{Span, FileName};
|
||||
use syntax::ast;
|
||||
use syntax::{ast, source_map};
|
||||
use syntax::util::lev_distance;
|
||||
|
||||
use rustc_error_codes::*;
|
||||
|
|
@ -79,37 +79,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
return None;
|
||||
}
|
||||
|
||||
let print_disambiguation_help = |
|
||||
err: &mut DiagnosticBuilder<'_>,
|
||||
trait_name: String,
|
||||
| {
|
||||
err.help(&format!(
|
||||
"to disambiguate the method call, write `{}::{}({}{})` instead",
|
||||
trait_name,
|
||||
item_name,
|
||||
if rcvr_ty.is_region_ptr() && args.is_some() {
|
||||
if rcvr_ty.is_mutable_ptr() {
|
||||
"&mut "
|
||||
} else {
|
||||
"&"
|
||||
}
|
||||
} else {
|
||||
""
|
||||
},
|
||||
args.map(|arg| arg
|
||||
.iter()
|
||||
.map(|arg| self.tcx.sess.source_map().span_to_snippet(arg.span)
|
||||
.unwrap_or_else(|_| "...".to_owned()))
|
||||
.collect::<Vec<_>>()
|
||||
.join(", ")
|
||||
).unwrap_or_else(|| "...".to_owned())
|
||||
));
|
||||
};
|
||||
|
||||
let report_candidates = |
|
||||
span: Span,
|
||||
err: &mut DiagnosticBuilder<'_>,
|
||||
mut sources: Vec<CandidateSource>,
|
||||
sugg_span: Span,
|
||||
| {
|
||||
sources.sort();
|
||||
sources.dedup();
|
||||
|
|
@ -150,15 +124,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
}
|
||||
};
|
||||
|
||||
let note_str = if sources.len() > 1 {
|
||||
format!("candidate #{} is defined in an impl{} for the type `{}`",
|
||||
idx + 1,
|
||||
insertion,
|
||||
impl_ty)
|
||||
let (note_str, idx) = if sources.len() > 1 {
|
||||
(format!(
|
||||
"candidate #{} is defined in an impl{} for the type `{}`",
|
||||
idx + 1,
|
||||
insertion,
|
||||
impl_ty,
|
||||
), Some(idx + 1))
|
||||
} else {
|
||||
format!("the candidate is defined in an impl{} for the type `{}`",
|
||||
insertion,
|
||||
impl_ty)
|
||||
(format!(
|
||||
"the candidate is defined in an impl{} for the type `{}`",
|
||||
insertion,
|
||||
impl_ty,
|
||||
), None)
|
||||
};
|
||||
if let Some(note_span) = note_span {
|
||||
// We have a span pointing to the method. Show note with snippet.
|
||||
|
|
@ -168,7 +146,31 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
err.note(¬e_str);
|
||||
}
|
||||
if let Some(trait_ref) = self.tcx.impl_trait_ref(impl_did) {
|
||||
print_disambiguation_help(err, self.tcx.def_path_str(trait_ref.def_id));
|
||||
let path = self.tcx.def_path_str(trait_ref.def_id);
|
||||
|
||||
let ty = match item.kind {
|
||||
ty::AssocKind::Const |
|
||||
ty::AssocKind::Type |
|
||||
ty::AssocKind::OpaqueTy => rcvr_ty,
|
||||
ty::AssocKind::Method => self.tcx.fn_sig(item.def_id)
|
||||
.inputs()
|
||||
.skip_binder()
|
||||
.get(0)
|
||||
.filter(|ty| ty.is_region_ptr() && !rcvr_ty.is_region_ptr())
|
||||
.map(|ty| *ty)
|
||||
.unwrap_or(rcvr_ty),
|
||||
};
|
||||
print_disambiguation_help(
|
||||
item_name,
|
||||
args,
|
||||
err,
|
||||
path,
|
||||
ty,
|
||||
item.kind,
|
||||
sugg_span,
|
||||
idx,
|
||||
self.tcx.sess.source_map(),
|
||||
);
|
||||
}
|
||||
}
|
||||
CandidateSource::TraitSource(trait_did) => {
|
||||
|
|
@ -182,19 +184,32 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
};
|
||||
let item_span = self.tcx.sess.source_map()
|
||||
.def_span(self.tcx.def_span(item.def_id));
|
||||
if sources.len() > 1 {
|
||||
let idx = if sources.len() > 1 {
|
||||
span_note!(err,
|
||||
item_span,
|
||||
"candidate #{} is defined in the trait `{}`",
|
||||
idx + 1,
|
||||
self.tcx.def_path_str(trait_did));
|
||||
Some(idx + 1)
|
||||
} else {
|
||||
span_note!(err,
|
||||
item_span,
|
||||
"the candidate is defined in the trait `{}`",
|
||||
self.tcx.def_path_str(trait_did));
|
||||
}
|
||||
print_disambiguation_help(err, self.tcx.def_path_str(trait_did));
|
||||
None
|
||||
};
|
||||
let path = self.tcx.def_path_str(trait_did);
|
||||
print_disambiguation_help(
|
||||
item_name,
|
||||
args,
|
||||
err,
|
||||
path,
|
||||
rcvr_ty,
|
||||
item.kind,
|
||||
sugg_span,
|
||||
idx,
|
||||
self.tcx.sess.source_map(),
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -203,6 +218,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
}
|
||||
};
|
||||
|
||||
let sugg_span = if let SelfSource::MethodCall(expr) = source {
|
||||
// Given `foo.bar(baz)`, `expr` is `bar`, but we want to point to the whole thing.
|
||||
self.tcx.hir().expect_expr(self.tcx.hir().get_parent_node(expr.hir_id)).span
|
||||
} else {
|
||||
span
|
||||
};
|
||||
|
||||
match error {
|
||||
MethodError::NoMatch(NoMatchData {
|
||||
static_candidates: static_sources,
|
||||
|
|
@ -495,9 +517,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
));
|
||||
}
|
||||
|
||||
report_candidates(span, &mut err, static_sources);
|
||||
report_candidates(span, &mut err, static_sources, sugg_span);
|
||||
} else if static_sources.len() > 1 {
|
||||
report_candidates(span, &mut err, static_sources);
|
||||
report_candidates(span, &mut err, static_sources, sugg_span);
|
||||
}
|
||||
|
||||
if !unsatisfied_predicates.is_empty() {
|
||||
|
|
@ -584,7 +606,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
|
|||
"multiple applicable items in scope");
|
||||
err.span_label(span, format!("multiple `{}` found", item_name));
|
||||
|
||||
report_candidates(span, &mut err, sources);
|
||||
report_candidates(span, &mut err, sources, sugg_span);
|
||||
err.emit();
|
||||
}
|
||||
|
||||
|
|
@ -1123,3 +1145,56 @@ impl hir::intravisit::Visitor<'tcx> for UsePlacementFinder<'tcx> {
|
|||
hir::intravisit::NestedVisitorMap::None
|
||||
}
|
||||
}
|
||||
|
||||
fn print_disambiguation_help(
|
||||
item_name: ast::Ident,
|
||||
args: Option<&'tcx [hir::Expr]>,
|
||||
err: &mut DiagnosticBuilder<'_>,
|
||||
trait_name: String,
|
||||
rcvr_ty: Ty<'_>,
|
||||
kind: ty::AssocKind,
|
||||
span: Span,
|
||||
candidate: Option<usize>,
|
||||
source_map: &source_map::SourceMap,
|
||||
) {
|
||||
let mut applicability = Applicability::MachineApplicable;
|
||||
let sugg_args = if let (ty::AssocKind::Method, Some(args)) = (kind, args) {
|
||||
format!(
|
||||
"({}{})",
|
||||
if rcvr_ty.is_region_ptr() {
|
||||
if rcvr_ty.is_mutable_ptr() {
|
||||
"&mut "
|
||||
} else {
|
||||
"&"
|
||||
}
|
||||
} else {
|
||||
""
|
||||
},
|
||||
args.iter()
|
||||
.map(|arg| source_map.span_to_snippet(arg.span)
|
||||
.unwrap_or_else(|_| {
|
||||
applicability = Applicability::HasPlaceholders;
|
||||
"_".to_owned()
|
||||
}))
|
||||
.collect::<Vec<_>>()
|
||||
.join(", "),
|
||||
)
|
||||
} else {
|
||||
String::new()
|
||||
};
|
||||
let sugg = format!("{}::{}{}", trait_name, item_name, sugg_args);
|
||||
err.span_suggestion(
|
||||
span,
|
||||
&format!(
|
||||
"disambiguate the {} for {}",
|
||||
kind.suggestion_descr(),
|
||||
if let Some(candidate) = candidate {
|
||||
format!("candidate #{}", candidate)
|
||||
} else {
|
||||
"the candidate".to_string()
|
||||
},
|
||||
),
|
||||
sugg,
|
||||
applicability,
|
||||
);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -18,16 +18,6 @@ pub extern crate libc as netc;
|
|||
|
||||
pub type wrlen_t = size_t;
|
||||
|
||||
// See below for the usage of SOCK_CLOEXEC, but this constant is only defined on
|
||||
// Linux currently (e.g., support doesn't exist on other platforms). In order to
|
||||
// get name resolution to work and things to compile we just define a dummy
|
||||
// SOCK_CLOEXEC here for other platforms. Note that the dummy constant isn't
|
||||
// actually ever used (the blocks below are wrapped in `if cfg!` as well.
|
||||
#[cfg(target_os = "linux")]
|
||||
use libc::SOCK_CLOEXEC;
|
||||
#[cfg(not(target_os = "linux"))]
|
||||
const SOCK_CLOEXEC: c_int = 0;
|
||||
|
||||
pub struct Socket(FileDesc);
|
||||
|
||||
pub fn init() {}
|
||||
|
|
@ -69,8 +59,9 @@ impl Socket {
|
|||
// this option, however, was added in 2.6.27, and we still support
|
||||
// 2.6.18 as a kernel, so if the returned error is EINVAL we
|
||||
// fallthrough to the fallback.
|
||||
if cfg!(target_os = "linux") {
|
||||
match cvt(libc::socket(fam, ty | SOCK_CLOEXEC, 0)) {
|
||||
#[cfg(target_os = "linux")]
|
||||
{
|
||||
match cvt(libc::socket(fam, ty | libc::SOCK_CLOEXEC, 0)) {
|
||||
Ok(fd) => return Ok(Socket(FileDesc::new(fd))),
|
||||
Err(ref e) if e.raw_os_error() == Some(libc::EINVAL) => {}
|
||||
Err(e) => return Err(e),
|
||||
|
|
@ -96,8 +87,9 @@ impl Socket {
|
|||
let mut fds = [0, 0];
|
||||
|
||||
// Like above, see if we can set cloexec atomically
|
||||
if cfg!(target_os = "linux") {
|
||||
match cvt(libc::socketpair(fam, ty | SOCK_CLOEXEC, 0, fds.as_mut_ptr())) {
|
||||
#[cfg(target_os = "linux")]
|
||||
{
|
||||
match cvt(libc::socketpair(fam, ty | libc::SOCK_CLOEXEC, 0, fds.as_mut_ptr())) {
|
||||
Ok(_) => {
|
||||
return Ok((Socket(FileDesc::new(fds[0])), Socket(FileDesc::new(fds[1]))));
|
||||
}
|
||||
|
|
@ -187,7 +179,8 @@ impl Socket {
|
|||
// atomically set the CLOEXEC flag is to use the `accept4` syscall on
|
||||
// Linux. This was added in 2.6.28, however, and because we support
|
||||
// 2.6.18 we must detect this support dynamically.
|
||||
if cfg!(target_os = "linux") {
|
||||
#[cfg(target_os = "linux")]
|
||||
{
|
||||
syscall! {
|
||||
fn accept4(
|
||||
fd: c_int,
|
||||
|
|
@ -196,7 +189,7 @@ impl Socket {
|
|||
flags: c_int
|
||||
) -> c_int
|
||||
}
|
||||
let res = cvt_r(|| unsafe { accept4(self.0.raw(), storage, len, SOCK_CLOEXEC) });
|
||||
let res = cvt_r(|| unsafe { accept4(self.0.raw(), storage, len, libc::SOCK_CLOEXEC) });
|
||||
match res {
|
||||
Ok(fd) => return Ok(Socket(FileDesc::new(fd))),
|
||||
Err(ref e) if e.raw_os_error() == Some(libc::ENOSYS) => {}
|
||||
|
|
|
|||
|
|
@ -375,8 +375,12 @@ impl ChildStdio {
|
|||
|
||||
impl fmt::Debug for Command {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "{:?}", self.program)?;
|
||||
for arg in &self.args {
|
||||
if self.program != self.args[0] {
|
||||
write!(f, "[{:?}] ", self.program)?;
|
||||
}
|
||||
write!(f, "{:?}", self.args[0])?;
|
||||
|
||||
for arg in &self.args[1..] {
|
||||
write!(f, " {:?}", arg)?;
|
||||
}
|
||||
Ok(())
|
||||
|
|
|
|||
|
|
@ -18,8 +18,6 @@ pub extern crate libc as netc;
|
|||
|
||||
pub type wrlen_t = size_t;
|
||||
|
||||
const SOCK_CLOEXEC: c_int = 0;
|
||||
|
||||
pub struct Socket(FileDesc);
|
||||
|
||||
pub fn init() {}
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `Foo` for the type `i32`
|
|||
|
|
||||
LL | const ID: i32 = 1;
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Foo::ID(...)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `Bar` for the type `i32`
|
||||
--> $DIR/associated-const-ambiguity-report.rs:14:5
|
||||
|
|
||||
LL | const ID: i32 = 3;
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Bar::ID(...)` instead
|
||||
help: disambiguate the associated constant for candidate #1
|
||||
|
|
||||
LL | const X: i32 = Foo::ID;
|
||||
| ^^^^^^^
|
||||
help: disambiguate the associated constant for candidate #2
|
||||
|
|
||||
LL | const X: i32 = Bar::ID;
|
||||
| ^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0698]: type inside `async fn` body must be known in this context
|
|||
--> $DIR/unresolved_type_param.rs:9:5
|
||||
|
|
||||
LL | bar().await;
|
||||
| ^^^ cannot infer type for type parameter `T`
|
||||
| ^^^ cannot infer type for type parameter `T` declared on the function `bar`
|
||||
|
|
||||
note: the type is part of the `async fn` body because of this `await`
|
||||
--> $DIR/unresolved_type_param.rs:9:5
|
||||
|
|
|
|||
24
src/test/ui/command/command-argv0-debug.rs
Normal file
24
src/test/ui/command/command-argv0-debug.rs
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
// run-pass
|
||||
|
||||
// ignore-windows - this is a unix-specific test
|
||||
// ignore-cloudabi no processes
|
||||
// ignore-emscripten no processes
|
||||
// ignore-sgx no processes
|
||||
#![feature(process_set_argv0)]
|
||||
|
||||
use std::os::unix::process::CommandExt;
|
||||
use std::process::Command;
|
||||
|
||||
fn main() {
|
||||
let mut command = Command::new("some-boring-name");
|
||||
|
||||
assert_eq!(format!("{:?}", command), r#""some-boring-name""#);
|
||||
|
||||
command.args(&["1", "2", "3"]);
|
||||
|
||||
assert_eq!(format!("{:?}", command), r#""some-boring-name" "1" "2" "3""#);
|
||||
|
||||
command.arg0("exciting-name");
|
||||
|
||||
assert_eq!(format!("{:?}", command), r#"["some-boring-name"] "exciting-name" "1" "2" "3""#);
|
||||
}
|
||||
|
|
@ -30,7 +30,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/fn-const-param-infer.rs:22:23
|
||||
|
|
||||
LL | let _ = Checked::<generic>;
|
||||
| ^^^^^^^ cannot infer type for type parameter `T`
|
||||
| ^^^^^^^ cannot infer type for type parameter `T` declared on the function `generic`
|
||||
|
||||
error[E0308]: mismatched types
|
||||
--> $DIR/fn-const-param-infer.rs:25:40
|
||||
|
|
|
|||
|
|
@ -2,13 +2,13 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/issue-64662.rs:2:9
|
||||
|
|
||||
LL | A = foo(),
|
||||
| ^^^ cannot infer type for type parameter `T`
|
||||
| ^^^ cannot infer type for type parameter `T` declared on the function `foo`
|
||||
|
||||
error[E0282]: type annotations needed
|
||||
--> $DIR/issue-64662.rs:3:9
|
||||
|
|
||||
LL | B = foo(),
|
||||
| ^^^ cannot infer type for type parameter `T`
|
||||
| ^^^ cannot infer type for type parameter `T` declared on the function `foo`
|
||||
|
||||
error: aborting due to 2 previous errors
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `Trait1` for the type `Tes
|
|||
|
|
||||
LL | fn foo() {}
|
||||
| ^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Trait1::foo(...)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `Trait2` for the type `Test`
|
||||
--> $DIR/E0034.rs:16:5
|
||||
|
|
||||
LL | fn foo() {}
|
||||
| ^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Trait2::foo(...)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | Trait1::foo()
|
||||
| ^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | Trait2::foo()
|
||||
| ^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -36,7 +36,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/E0401.rs:11:5
|
||||
|
|
||||
LL | bfnr(x);
|
||||
| ^^^^ cannot infer type for type parameter `U`
|
||||
| ^^^^ cannot infer type for type parameter `U` declared on the function `bfnr`
|
||||
|
||||
error: aborting due to 4 previous errors
|
||||
|
||||
|
|
|
|||
|
|
@ -5,9 +5,15 @@ LL | assert_eq!('x'.ipu_flatten(), 0);
|
|||
| ^^^^^^^^^^^ multiple `ipu_flatten` found
|
||||
|
|
||||
= note: candidate #1 is defined in an impl of the trait `inference_unstable_iterator::IpuIterator` for the type `char`
|
||||
= help: to disambiguate the method call, write `inference_unstable_iterator::IpuIterator::ipu_flatten('x')` instead
|
||||
= note: candidate #2 is defined in an impl of the trait `inference_unstable_itertools::IpuItertools` for the type `char`
|
||||
= help: to disambiguate the method call, write `inference_unstable_itertools::IpuItertools::ipu_flatten('x')` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | assert_eq!(inference_unstable_iterator::IpuIterator::ipu_flatten(&'x'), 0);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | assert_eq!(inference_unstable_itertools::IpuItertools::ipu_flatten(&'x'), 0);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0284]: type annotations needed
|
|||
--> $DIR/issue-12028.rs:27:14
|
||||
|
|
||||
LL | self.input_stream(&mut stream);
|
||||
| ^^^^^^^^^^^^ cannot infer type for type parameter `H`
|
||||
| ^^^^^^^^^^^^ cannot infer type for type parameter `H` declared on the trait `StreamHash`
|
||||
|
|
||||
= note: cannot resolve `<_ as StreamHasher>::S == <H as StreamHasher>::S`
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/issue-16966.rs:2:5
|
||||
|
|
||||
LL | panic!(std::default::Default::default());
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `M`
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `M` declared on the function `begin_panic`
|
||||
|
|
||||
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed for `B<T>`
|
|||
--> $DIR/issue-17551.rs:6:15
|
||||
|
|
||||
LL | let foo = B(marker::PhantomData);
|
||||
| --- ^ cannot infer type for type parameter `T`
|
||||
| --- ^ cannot infer type for type parameter `T` declared on the struct `B`
|
||||
| |
|
||||
| consider giving `foo` the explicit type `B<T>`, where the type parameter `T` is specified
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,10 @@ error[E0034]: multiple applicable items in scope
|
|||
--> $DIR/issue-18446.rs:18:7
|
||||
|
|
||||
LL | x.foo();
|
||||
| ^^^ multiple `foo` found
|
||||
| --^^^--
|
||||
| | |
|
||||
| | multiple `foo` found
|
||||
| help: disambiguate the method call for candidate #2: `T::foo(&x)`
|
||||
|
|
||||
note: candidate #1 is defined in an impl for the type `dyn T`
|
||||
--> $DIR/issue-18446.rs:9:5
|
||||
|
|
@ -14,7 +17,6 @@ note: candidate #2 is defined in the trait `T`
|
|||
|
|
||||
LL | fn foo(&self);
|
||||
| ^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `T::foo(&x)` instead
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@ LL | let (tx, rx) = channel();
|
|||
| -------- consider giving this pattern the explicit type `(std::sync::mpsc::Sender<Foo<T>>, std::sync::mpsc::Receiver<Foo<T>>)`, where the type parameter `T` is specified
|
||||
...
|
||||
LL | tx.send(Foo{ foo: PhantomData });
|
||||
| ^^^ cannot infer type for type parameter `T`
|
||||
| ^^^ cannot infer type for type parameter `T` declared on the struct `Foo`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `ToPrimitive` for the type
|
|||
|
|
||||
LL | fn to_int(&self) -> isize { 0 }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `ToPrimitive::to_int(&self)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `Add` for the type `isize`
|
||||
--> $DIR/issue-3702-2.rs:14:5
|
||||
|
|
||||
LL | fn to_int(&self) -> isize { *self }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Add::to_int(&self)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | ToPrimitive::to_int(&self) + other.to_int()
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | Add::to_int(&self) + other.to_int()
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/issue-5062.rs:1:29
|
||||
|
|
||||
LL | fn main() { format!("{:?}", None); }
|
||||
| ^^^^ cannot infer type for type parameter `T`
|
||||
| ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/issue-6458-2.rs:3:21
|
||||
|
|
||||
LL | format!("{:?}", None);
|
||||
| ^^^^ cannot infer type for type parameter `T`
|
||||
| ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/issue-6458-3.rs:4:5
|
||||
|
|
||||
LL | mem::transmute(0);
|
||||
| ^^^^^^^^^^^^^^ cannot infer type for type parameter `U`
|
||||
| ^^^^^^^^^^^^^^ cannot infer type for type parameter `U` declared on the function `transmute`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/issue-6458.rs:9:4
|
||||
|
|
||||
LL | foo(TypeWithState(marker::PhantomData));
|
||||
| ^^^ cannot infer type for type parameter `State`
|
||||
| ^^^ cannot infer type for type parameter `State` declared on the function `foo`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `async` for the type `r#fn
|
|||
|
|
||||
LL | fn r#struct(&self) {
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `async::r#struct(r#fn {})` instead
|
||||
note: candidate #2 is defined in an impl of the trait `await` for the type `r#fn`
|
||||
--> $DIR/issue-65634-raw-ident-suggestion.rs:10:5
|
||||
|
|
||||
LL | fn r#struct(&self) {
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `await::r#struct(r#fn {})` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | async::r#struct(&r#fn {});
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | await::r#struct(&r#fn {});
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,9 +9,15 @@ note: candidate #1 is defined in an impl of the trait `Me2` for the type `usize`
|
|||
|
|
||||
LL | impl Me2 for usize { fn me(&self) -> usize { *self } }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Me2::me(1_usize)` instead
|
||||
= note: candidate #2 is defined in an impl of the trait `ambig_impl_2_lib::Me` for the type `usize`
|
||||
= help: to disambiguate the method call, write `ambig_impl_2_lib::Me::me(1_usize)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | fn main() { Me2::me(&1_usize); }
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | fn main() { ambig_impl_2_lib::Me::me(&1_usize); }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in the trait `A`
|
|||
|
|
||||
LL | trait A { fn foo(&self); }
|
||||
| ^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `A::foo(t)` instead
|
||||
note: candidate #2 is defined in the trait `B`
|
||||
--> $DIR/method-ambig-two-traits-from-bounds.rs:2:11
|
||||
|
|
||||
LL | trait B { fn foo(&self); }
|
||||
| ^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `B::foo(t)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | A::foo(t);
|
||||
| ^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | B::foo(t);
|
||||
| ^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `A` for the type `AB`
|
|||
|
|
||||
LL | fn foo(self) {}
|
||||
| ^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `A::foo(AB {})` instead
|
||||
note: candidate #2 is defined in an impl of the trait `B` for the type `AB`
|
||||
--> $DIR/method-ambig-two-traits-from-impls.rs:11:5
|
||||
|
|
||||
LL | fn foo(self) {}
|
||||
| ^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `B::foo(AB {})` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | A::foo(AB {});
|
||||
| ^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | B::foo(AB {});
|
||||
| ^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `A` for the type `AB`
|
|||
|
|
||||
LL | fn foo() {}
|
||||
| ^^^^^^^^
|
||||
= help: to disambiguate the method call, write `A::foo(...)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `B` for the type `AB`
|
||||
--> $DIR/method-ambig-two-traits-from-impls2.rs:11:5
|
||||
|
|
||||
LL | fn foo() {}
|
||||
| ^^^^^^^^
|
||||
= help: to disambiguate the method call, write `B::foo(...)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | A::foo();
|
||||
| ^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | B::foo();
|
||||
| ^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `Foo` for the type `usize`
|
|||
|
|
||||
LL | trait Foo { fn method(&self) {} }
|
||||
| ^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Foo::method(1_usize)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `Bar` for the type `usize`
|
||||
--> $DIR/method-ambig-two-traits-with-default-method.rs:6:13
|
||||
|
|
||||
LL | trait Bar { fn method(&self) {} }
|
||||
| ^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `Bar::method(1_usize)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | Foo::method(&1_usize);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | Bar::method(&1_usize);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -25,19 +25,28 @@ note: candidate #1 is defined in an impl of the trait `internal::X` for the type
|
|||
|
|
||||
LL | fn foo(self: Smaht<Self, u64>) -> u64 {
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `internal::X::foo(x)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `nuisance_foo::NuisanceFoo` for the type `_`
|
||||
--> $DIR/method-deref-to-same-trait-object-with-separate-params.rs:70:9
|
||||
|
|
||||
LL | fn foo(self) {}
|
||||
| ^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `nuisance_foo::NuisanceFoo::foo(x)` instead
|
||||
note: candidate #3 is defined in the trait `FinalFoo`
|
||||
--> $DIR/method-deref-to-same-trait-object-with-separate-params.rs:57:5
|
||||
|
|
||||
LL | fn foo(&self) -> u8;
|
||||
| ^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `FinalFoo::foo(x)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | let z = internal::X::foo(x);
|
||||
| ^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | let z = nuisance_foo::NuisanceFoo::foo(x);
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #3
|
||||
|
|
||||
LL | let z = FinalFoo::foo(x);
|
||||
| ^^^^^^^^^^^^^^^^
|
||||
|
||||
error[E0308]: mismatched types
|
||||
--> $DIR/method-deref-to-same-trait-object-with-separate-params.rs:137:24
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/missing-type-parameter.rs:4:5
|
||||
|
|
||||
LL | foo();
|
||||
| ^^^ cannot infer type for type parameter `X`
|
||||
| ^^^ cannot infer type for type parameter `X` declared on the function `foo`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in the trait `A`
|
|||
|
|
||||
LL | fn foo(&mut self) {}
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `A::foo(&a)` instead
|
||||
note: candidate #2 is defined in the trait `B`
|
||||
--> $DIR/issue-37767.rs:6:5
|
||||
|
|
||||
LL | fn foo(&mut self) {}
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `B::foo(&a)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | A::foo(&a)
|
||||
| ^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | B::foo(&a)
|
||||
| ^^^^^^^^^^
|
||||
|
||||
error[E0034]: multiple applicable items in scope
|
||||
--> $DIR/issue-37767.rs:22:7
|
||||
|
|
@ -28,13 +34,19 @@ note: candidate #1 is defined in the trait `C`
|
|||
|
|
||||
LL | fn foo(&self) {}
|
||||
| ^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `C::foo(&a)` instead
|
||||
note: candidate #2 is defined in the trait `D`
|
||||
--> $DIR/issue-37767.rs:18:5
|
||||
|
|
||||
LL | fn foo(&self) {}
|
||||
| ^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `D::foo(&a)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | C::foo(&a)
|
||||
| ^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | D::foo(&a)
|
||||
| ^^^^^^^^^^
|
||||
|
||||
error[E0034]: multiple applicable items in scope
|
||||
--> $DIR/issue-37767.rs:34:7
|
||||
|
|
@ -47,13 +59,19 @@ note: candidate #1 is defined in the trait `E`
|
|||
|
|
||||
LL | fn foo(self) {}
|
||||
| ^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `E::foo(a)` instead
|
||||
note: candidate #2 is defined in the trait `F`
|
||||
--> $DIR/issue-37767.rs:30:5
|
||||
|
|
||||
LL | fn foo(self) {}
|
||||
| ^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `F::foo(a)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | E::foo(a)
|
||||
| ^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | F::foo(a)
|
||||
| ^^^^^^^^^
|
||||
|
||||
error: aborting due to 3 previous errors
|
||||
|
||||
|
|
|
|||
|
|
@ -10,24 +10,33 @@ note: candidate #1 is defined in the trait `CtxtFn`
|
|||
|
|
||||
LL | fn f9(_: usize) -> usize;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `CtxtFn::f9(u, 342)` instead
|
||||
note: candidate #2 is defined in the trait `OtherTrait`
|
||||
--> $DIR/issue-7575.rs:8:5
|
||||
|
|
||||
LL | fn f9(_: usize) -> usize;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `OtherTrait::f9(u, 342)` instead
|
||||
note: candidate #3 is defined in the trait `UnusedTrait`
|
||||
--> $DIR/issue-7575.rs:17:5
|
||||
|
|
||||
LL | fn f9(_: usize) -> usize;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `UnusedTrait::f9(u, 342)` instead
|
||||
= help: items from traits can only be used if the trait is implemented and in scope
|
||||
= note: the following traits define an item `f9`, perhaps you need to implement one of them:
|
||||
candidate #1: `CtxtFn`
|
||||
candidate #2: `OtherTrait`
|
||||
candidate #3: `UnusedTrait`
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | u.f8(42) + CtxtFn::f9(u, 342) + m.fff(42)
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | u.f8(42) + OtherTrait::f9(u, 342) + m.fff(42)
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #3
|
||||
|
|
||||
LL | u.f8(42) + UnusedTrait::f9(u, 342) + m.fff(42)
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error[E0599]: no method named `fff` found for type `Myisize` in the current scope
|
||||
--> $DIR/issue-7575.rs:62:30
|
||||
|
|
@ -60,8 +69,11 @@ note: the candidate is defined in the trait `ManyImplTrait`
|
|||
|
|
||||
LL | fn is_str() -> bool {
|
||||
| ^^^^^^^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `ManyImplTrait::is_str(t)` instead
|
||||
= help: items from traits can only be used if the type parameter is bounded by the trait
|
||||
help: disambiguate the method call for the candidate
|
||||
|
|
||||
LL | ManyImplTrait::is_str(t)
|
||||
|
|
||||
help: the following trait defines an item `is_str`, perhaps you need to restrict type parameter `T` with it:
|
||||
|
|
||||
LL | fn param_bound<T: ManyImplTrait + ManyImplTrait>(t: T) -> bool {
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@ error[E0282]: type annotations needed
|
|||
LL | let _ = (vec![1,2,3]).into_iter().sum() as f64;
|
||||
| ^^^
|
||||
| |
|
||||
| cannot infer type for type parameter `S`
|
||||
| cannot infer type for type parameter `S` declared on the method `sum`
|
||||
| help: consider specifying the type argument in the method call: `sum::<S>`
|
||||
|
|
||||
= note: type must be known at this point
|
||||
|
|
|
|||
|
|
@ -9,13 +9,19 @@ note: candidate #1 is defined in an impl of the trait `inner::A` for the type `u
|
|||
|
|
||||
LL | fn foo(&self) {}
|
||||
| ^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `inner::A::foo(t)` instead
|
||||
note: candidate #2 is defined in an impl of the trait `inner::B` for the type `u8`
|
||||
--> $DIR/trait-alias-ambiguous.rs:11:9
|
||||
|
|
||||
LL | fn foo(&self) {}
|
||||
| ^^^^^^^^^^^^^
|
||||
= help: to disambiguate the method call, write `inner::B::foo(t)` instead
|
||||
help: disambiguate the method call for candidate #1
|
||||
|
|
||||
LL | inner::A::foo(&t);
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
help: disambiguate the method call for candidate #2
|
||||
|
|
||||
LL | inner::B::foo(&t);
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/traits-multidispatch-convert-ambig-dest.rs:26:5
|
||||
|
|
||||
LL | test(22, std::default::Default::default());
|
||||
| ^^^^ cannot infer type for type parameter `U`
|
||||
| ^^^^ cannot infer type for type parameter `U` declared on the function `test`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@ error[E0282]: type annotations needed
|
|||
LL | .or_else(|err| {
|
||||
| ^^^^^^^
|
||||
| |
|
||||
| cannot infer type for type parameter `F`
|
||||
| cannot infer type for type parameter `F` declared on the method `or_else`
|
||||
| help: consider specifying the type arguments in the method call: `or_else::<F, O>`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@ error[E0282]: type annotations needed
|
|||
LL | lst.sort_by_key(|&(v, _)| v.iter().sum());
|
||||
| ^^^^^^^^^^^ --- help: consider specifying the type argument in the method call: `sum::<S>`
|
||||
| |
|
||||
| cannot infer type for type parameter `K`
|
||||
| cannot infer type for type parameter `K` declared on the method `sort_by_key`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@ LL | S(std::marker::PhantomData).foo();
|
|||
| ^--------------------------------
|
||||
| |
|
||||
| this method call resolves to `<Self as T>::A`
|
||||
| cannot infer type for type parameter `X`
|
||||
| cannot infer type for type parameter `X` declared on the struct `S`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/unbounded-type-param-in-fn-with-assoc-type.rs:8:5
|
||||
|
|
||||
LL | foo();
|
||||
| ^^^ cannot infer type for type parameter `T`
|
||||
| ^^^ cannot infer type for type parameter `T` declared on the function `foo`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/unbounded-type-param-in-fn.rs:6:5
|
||||
|
|
||||
LL | foo();
|
||||
| ^^^ cannot infer type for type parameter `T`
|
||||
| ^^^ cannot infer type for type parameter `T` declared on the function `foo`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@ LL | fn foo<T: Into<String>>(x: i32) {}
|
|||
LL | foo(42);
|
||||
| ^^^
|
||||
| |
|
||||
| cannot infer type for type parameter `T`
|
||||
| cannot infer type for type parameter `T` declared on the function `foo`
|
||||
| help: consider specifying the type argument in the function call: `foo::<T>`
|
||||
|
|
||||
= note: cannot resolve `_: std::convert::Into<std::string::String>`
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/unconstrained-none.rs:4:5
|
||||
|
|
||||
LL | None;
|
||||
| ^^^^ cannot infer type for type parameter `T`
|
||||
| ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/unconstrained-ref.rs:6:5
|
||||
|
|
||||
LL | S { o: &None };
|
||||
| ^ cannot infer type for type parameter `T`
|
||||
| ^ cannot infer type for type parameter `T` declared on the struct `S`
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue