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Remove default build_error impl

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Now all structured errors must have their own error code
This commit is contained in:
Dylan MacKenzie 2020-09-29 21:01:35 -07:00
parent bed7b29510
commit 1513904c1c
1 changed files with 12 additions and 29 deletions
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41
compiler/rustc_mir/src/transform/check_consts/ops.rs
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@ -38,34 +38,7 @@ pub trait NonConstOp: std::fmt::Debug {
DiagnosticImportance::Primary
}
fn build_error(&self, ccx: &ConstCx<'_, 'tcx>, span: Span) -> DiagnosticBuilder<'tcx> {
let mut err = struct_span_err!(
ccx.tcx.sess,
span,
E0019,
"{} contains unimplemented expression type",
ccx.const_kind()
);
if let Status::Unstable(gate) = self.status_in_item(ccx) {
if !ccx.tcx.features().enabled(gate) && nightly_options::is_nightly_build() {
err.help(&format!("add `#![feature({})]` to the crate attributes to enable", gate));
}
}
if ccx.tcx.sess.teach(&err.get_code().unwrap()) {
err.note(
"A function call isn't allowed in the const's initialization expression \
because the expression's value must be known at compile-time.",
);
err.note(
"Remember: you can't use a function call inside a const's initialization \
expression! However, you can use it anywhere else.",
);
}
err
}
fn build_error(&self, ccx: &ConstCx<'_, 'tcx>, span: Span) -> DiagnosticBuilder<'tcx>;
}
#[derive(Debug)]
@ -215,7 +188,17 @@ impl NonConstOp for HeapAllocation {
#[derive(Debug)]
pub struct InlineAsm;
impl NonConstOp for InlineAsm {}
impl NonConstOp for InlineAsm {
fn build_error(&self, ccx: &ConstCx<'_, 'tcx>, span: Span) -> DiagnosticBuilder<'tcx> {
struct_span_err!(
ccx.tcx.sess,
span,
E0019,
"{} contains unimplemented expression type",
ccx.const_kind()
)
}
}
#[derive(Debug)]
pub struct LiveDrop {