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Remove dcx arg from ReportErrorExt::add_args.

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Because it also has a `DiagnosticBuilder` arg, which contains a `dcx`
reference.

Also rename some `builder` variables as `diag`, because that's the usual
name.
This commit is contained in:
Nicholas Nethercote 2024-02-12 15:18:18 +11:00
parent 30774b0061
commit e0a0cc2971
3 changed files with 62 additions and 76 deletions
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2
compiler/rustc_const_eval/src/const_eval/error.rs
View File

@ -151,7 +151,7 @@ pub(super) fn report<'tcx, C, F, E>(
let mut err = tcx.dcx().create_err(err);
let msg = error.diagnostic_message();
error.add_args(tcx.dcx(), &mut err);
error.add_args(&mut err);
// Use *our* span to label the interp error
err.span_label(our_span, msg);

134
compiler/rustc_const_eval/src/errors.rs
View File

@ -426,7 +426,7 @@ pub struct UndefinedBehavior {
pub trait ReportErrorExt {
/// Returns the diagnostic message for this error.
fn diagnostic_message(&self) -> DiagnosticMessage;
fn add_args<G: EmissionGuarantee>(self, dcx: &DiagCtxt, builder: &mut DiagnosticBuilder<'_, G>);
fn add_args<G: EmissionGuarantee>(self, diag: &mut DiagnosticBuilder<'_, G>);
fn debug(self) -> String
where
@ -434,11 +434,11 @@ fn debug(self) -> String
{
ty::tls::with(move |tcx| {
let dcx = tcx.dcx();
let mut builder = dcx.struct_allow(DiagnosticMessage::Str(String::new().into()));
let mut diag = dcx.struct_allow(DiagnosticMessage::Str(String::new().into()));
let message = self.diagnostic_message();
self.add_args(dcx, &mut builder);
let s = dcx.eagerly_translate_to_string(message, builder.args());
builder.cancel();
self.add_args(&mut diag);
let s = dcx.eagerly_translate_to_string(message, diag.args());
diag.cancel();
s
})
}
@ -505,20 +505,17 @@ fn diagnostic_message(&self) -> DiagnosticMessage {
}
}
fn add_args<G: EmissionGuarantee>(
self,
dcx: &DiagCtxt,
builder: &mut DiagnosticBuilder<'_, G>,
) {
fn add_args<G: EmissionGuarantee>(self, diag: &mut DiagnosticBuilder<'_, G>) {
use UndefinedBehaviorInfo::*;
let dcx = diag.dcx;
match self {
Ub(_) => {}
Custom(custom) => {
(custom.add_args)(&mut |name, value| {
builder.arg(name, value);
diag.arg(name, value);
});
}
ValidationError(e) => e.add_args(dcx, builder),
ValidationError(e) => e.add_args(diag),
Unreachable
| DivisionByZero
@ -533,20 +530,18 @@ fn add_args<G: EmissionGuarantee>(
| UninhabitedEnumVariantWritten(_)
| UninhabitedEnumVariantRead(_) => {}
BoundsCheckFailed { len, index } => {
builder.arg("len", len);
builder.arg("index", index);
diag.arg("len", len);
diag.arg("index", index);
}
UnterminatedCString(ptr) | InvalidFunctionPointer(ptr) | InvalidVTablePointer(ptr) => {
builder.arg("pointer", ptr);
diag.arg("pointer", ptr);
}
PointerUseAfterFree(alloc_id, msg) => {
builder
.arg("alloc_id", alloc_id)
diag.arg("alloc_id", alloc_id)
.arg("bad_pointer_message", bad_pointer_message(msg, dcx));
}
PointerOutOfBounds { alloc_id, alloc_size, ptr_offset, ptr_size, msg } => {
builder
.arg("alloc_id", alloc_id)
diag.arg("alloc_id", alloc_id)
.arg("alloc_size", alloc_size.bytes())
.arg("ptr_offset", ptr_offset)
.arg("ptr_size", ptr_size.bytes())
@ -554,47 +549,47 @@ fn add_args<G: EmissionGuarantee>(
}
DanglingIntPointer(ptr, msg) => {
if ptr != 0 {
builder.arg("pointer", format!("{ptr:#x}[noalloc]"));
diag.arg("pointer", format!("{ptr:#x}[noalloc]"));
}
builder.arg("bad_pointer_message", bad_pointer_message(msg, dcx));
diag.arg("bad_pointer_message", bad_pointer_message(msg, dcx));
}
AlignmentCheckFailed(Misalignment { required, has }, msg) => {
builder.arg("required", required.bytes());
builder.arg("has", has.bytes());
builder.arg("msg", format!("{msg:?}"));
diag.arg("required", required.bytes());
diag.arg("has", has.bytes());
diag.arg("msg", format!("{msg:?}"));
}
WriteToReadOnly(alloc) | DerefFunctionPointer(alloc) | DerefVTablePointer(alloc) => {
builder.arg("allocation", alloc);
diag.arg("allocation", alloc);
}
InvalidBool(b) => {
builder.arg("value", format!("{b:02x}"));
diag.arg("value", format!("{b:02x}"));
}
InvalidChar(c) => {
builder.arg("value", format!("{c:08x}"));
diag.arg("value", format!("{c:08x}"));
}
InvalidTag(tag) => {
builder.arg("tag", format!("{tag:x}"));
diag.arg("tag", format!("{tag:x}"));
}
InvalidStr(err) => {
builder.arg("err", format!("{err}"));
diag.arg("err", format!("{err}"));
}
InvalidUninitBytes(Some((alloc, info))) => {
builder.arg("alloc", alloc);
builder.arg("access", info.access);
builder.arg("uninit", info.bad);
diag.arg("alloc", alloc);
diag.arg("access", info.access);
diag.arg("uninit", info.bad);
}
ScalarSizeMismatch(info) => {
builder.arg("target_size", info.target_size);
builder.arg("data_size", info.data_size);
diag.arg("target_size", info.target_size);
diag.arg("data_size", info.data_size);
}
InvalidNichedEnumVariantWritten { enum_ty } => {
builder.arg("ty", enum_ty.to_string());
diag.arg("ty", enum_ty.to_string());
}
AbiMismatchArgument { caller_ty, callee_ty }
| AbiMismatchReturn { caller_ty, callee_ty } => {
builder.arg("caller_ty", caller_ty.to_string());
builder.arg("callee_ty", callee_ty.to_string());
diag.arg("caller_ty", caller_ty.to_string());
diag.arg("callee_ty", callee_ty.to_string());
}
}
}
@ -674,7 +669,7 @@ fn diagnostic_message(&self) -> DiagnosticMessage {
}
}
fn add_args<G: EmissionGuarantee>(self, dcx: &DiagCtxt, err: &mut DiagnosticBuilder<'_, G>) {
fn add_args<G: EmissionGuarantee>(self, err: &mut DiagnosticBuilder<'_, G>) {
use crate::fluent_generated as fluent;
use rustc_middle::mir::interpret::ValidationErrorKind::*;
@ -684,12 +679,12 @@ fn add_args<G: EmissionGuarantee>(self, dcx: &DiagCtxt, err: &mut DiagnosticBuil
}
let message = if let Some(path) = self.path {
dcx.eagerly_translate_to_string(
err.dcx.eagerly_translate_to_string(
fluent::const_eval_validation_front_matter_invalid_value_with_path,
[("path".into(), DiagnosticArgValue::Str(path.into()))].iter().map(|(a, b)| (a, b)),
)
} else {
dcx.eagerly_translate_to_string(
err.dcx.eagerly_translate_to_string(
fluent::const_eval_validation_front_matter_invalid_value,
[].into_iter(),
)
@ -700,7 +695,6 @@ fn add_args<G: EmissionGuarantee>(self, dcx: &DiagCtxt, err: &mut DiagnosticBuil
fn add_range_arg<G: EmissionGuarantee>(
r: WrappingRange,
max_hi: u128,
dcx: &DiagCtxt,
err: &mut DiagnosticBuilder<'_, G>,
) {
let WrappingRange { start: lo, end: hi } = r;
@ -724,7 +718,7 @@ fn add_range_arg<G: EmissionGuarantee>(
("hi".into(), DiagnosticArgValue::Str(hi.to_string().into())),
];
let args = args.iter().map(|(a, b)| (a, b));
let message = dcx.eagerly_translate_to_string(msg, args);
let message = err.dcx.eagerly_translate_to_string(msg, args);
err.arg("in_range", message);
}
@ -746,7 +740,7 @@ fn add_range_arg<G: EmissionGuarantee>(
ExpectedKind::EnumTag => fluent::const_eval_validation_expected_enum_tag,
ExpectedKind::Str => fluent::const_eval_validation_expected_str,
};
let msg = dcx.eagerly_translate_to_string(msg, [].into_iter());
let msg = err.dcx.eagerly_translate_to_string(msg, [].into_iter());
err.arg("expected", msg);
}
InvalidEnumTag { value }
@ -757,11 +751,11 @@ fn add_range_arg<G: EmissionGuarantee>(
err.arg("value", value);
}
NullablePtrOutOfRange { range, max_value } | PtrOutOfRange { range, max_value } => {
add_range_arg(range, max_value, dcx, err)
add_range_arg(range, max_value, err)
}
OutOfRange { range, max_value, value } => {
err.arg("value", value);
add_range_arg(range, max_value, dcx, err);
add_range_arg(range, max_value, err);
}
UnalignedPtr { required_bytes, found_bytes, .. } => {
err.arg("required_bytes", required_bytes);
@ -802,13 +796,13 @@ fn diagnostic_message(&self) -> DiagnosticMessage {
UnsupportedOpInfo::ExternStatic(_) => const_eval_extern_static,
}
}
fn add_args<G: EmissionGuarantee>(self, _: &DiagCtxt, builder: &mut DiagnosticBuilder<'_, G>) {
fn add_args<G: EmissionGuarantee>(self, diag: &mut DiagnosticBuilder<'_, G>) {
use crate::fluent_generated::*;
use UnsupportedOpInfo::*;
if let ReadPointerAsInt(_) | OverwritePartialPointer(_) | ReadPartialPointer(_) = self {
builder.help(const_eval_ptr_as_bytes_1);
builder.help(const_eval_ptr_as_bytes_2);
diag.help(const_eval_ptr_as_bytes_1);
diag.help(const_eval_ptr_as_bytes_2);
}
match self {
// `ReadPointerAsInt(Some(info))` is never printed anyway, it only serves as an error to
@ -816,10 +810,10 @@ fn add_args<G: EmissionGuarantee>(self, _: &DiagCtxt, builder: &mut DiagnosticBu
// print. So it's not worth the effort of having diagnostics that can print the `info`.
UnsizedLocal | Unsupported(_) | ReadPointerAsInt(_) => {}
OverwritePartialPointer(ptr) | ReadPartialPointer(ptr) => {
builder.arg("ptr", ptr);
diag.arg("ptr", ptr);
}
ThreadLocalStatic(did) | ExternStatic(did) => {
builder.arg("did", format!("{did:?}"));
diag.arg("did", format!("{did:?}"));
}
}
}
@ -835,18 +829,14 @@ fn diagnostic_message(&self) -> DiagnosticMessage {
InterpError::MachineStop(e) => e.diagnostic_message(),
}
}
fn add_args<G: EmissionGuarantee>(
self,
dcx: &DiagCtxt,
builder: &mut DiagnosticBuilder<'_, G>,
) {
fn add_args<G: EmissionGuarantee>(self, diag: &mut DiagnosticBuilder<'_, G>) {
match self {
InterpError::UndefinedBehavior(ub) => ub.add_args(dcx, builder),
InterpError::Unsupported(e) => e.add_args(dcx, builder),
InterpError::InvalidProgram(e) => e.add_args(dcx, builder),
InterpError::ResourceExhaustion(e) => e.add_args(dcx, builder),
InterpError::UndefinedBehavior(ub) => ub.add_args(diag),
InterpError::Unsupported(e) => e.add_args(diag),
InterpError::InvalidProgram(e) => e.add_args(diag),
InterpError::ResourceExhaustion(e) => e.add_args(diag),
InterpError::MachineStop(e) => e.add_args(&mut |name, value| {
builder.arg(name, value);
diag.arg(name, value);
}),
}
}
@ -864,28 +854,24 @@ fn diagnostic_message(&self) -> DiagnosticMessage {
}
}
}
fn add_args<G: EmissionGuarantee>(
self,
dcx: &DiagCtxt,
builder: &mut DiagnosticBuilder<'_, G>,
) {
fn add_args<G: EmissionGuarantee>(self, diag: &mut DiagnosticBuilder<'_, G>) {
match self {
InvalidProgramInfo::TooGeneric | InvalidProgramInfo::AlreadyReported(_) => {}
InvalidProgramInfo::Layout(e) => {
// The level doesn't matter, `diag` is consumed without it being used.
// The level doesn't matter, `dummy_diag` is consumed without it being used.
let dummy_level = Level::Bug;
let diag: DiagnosticBuilder<'_, ()> =
e.into_diagnostic().into_diagnostic(dcx, dummy_level);
for (name, val) in diag.args() {
builder.arg(name.clone(), val.clone());
let dummy_diag: DiagnosticBuilder<'_, ()> =
e.into_diagnostic().into_diagnostic(diag.dcx, dummy_level);
for (name, val) in dummy_diag.args() {
diag.arg(name.clone(), val.clone());
}
diag.cancel();
dummy_diag.cancel();
}
InvalidProgramInfo::FnAbiAdjustForForeignAbi(
AdjustForForeignAbiError::Unsupported { arch, abi },
) => {
builder.arg("arch", arch);
builder.arg("abi", abi.name());
diag.arg("arch", arch);
diag.arg("abi", abi.name());
}
}
}
@ -900,7 +886,7 @@ fn diagnostic_message(&self) -> DiagnosticMessage {
ResourceExhaustionInfo::AddressSpaceFull => const_eval_address_space_full,
}
}
fn add_args<G: EmissionGuarantee>(self, _: &DiagCtxt, _: &mut DiagnosticBuilder<'_, G>) {}
fn add_args<G: EmissionGuarantee>(self, _: &mut DiagnosticBuilder<'_, G>) {}
}
impl rustc_errors::IntoDiagnosticArg for InternKind {

2
compiler/rustc_const_eval/src/interpret/eval_context.rs
View File

@ -445,7 +445,7 @@ pub fn format_interp_error<'tcx>(dcx: &DiagCtxt, e: InterpErrorInfo<'tcx>) -> St
#[allow(rustc::untranslatable_diagnostic)]
let mut diag = dcx.struct_allow("");
let msg = e.diagnostic_message();
e.add_args(dcx, &mut diag);
e.add_args(&mut diag);
let s = dcx.eagerly_translate_to_string(msg, diag.args());
diag.cancel();
s