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Verifier now accepts multiple errors (fixes #387). (#452)

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* Verifier now accepts multiple errors (fixes #387).
This commit is contained in:
Grégoire Geis
2018-08-14 19:55:10 +02:00
committed by Dan Gohman
parent 3f582f7cbd
commit dbc547091f
17 changed files with 845 additions and 333 deletions
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12
lib/codegen/src/result.rs
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@@ -1,18 +1,18 @@
//! Result and error types representing the outcome of compiling a function.
use verifier::VerifierError;
use verifier::VerifierErrors;
/// A compilation error.
///
/// When Cranelift fails to compile a function, it will return one of these error codes.
#[derive(Fail, Debug, PartialEq, Eq)]
pub enum CodegenError {
/// An IR verifier error.
/// A list of IR verifier errors.
///
/// This always represents a bug, either in the code that generated IR for Cranelift, or a bug
/// in Cranelift itself.
#[fail(display = "Verifier error: {}", _0)]
Verifier(#[cause] VerifierError),
#[fail(display = "Verifier errors:\n{}", _0)]
Verifier(#[cause] VerifierErrors),
/// An implementation limit was exceeded.
///
@@ -34,8 +34,8 @@ pub enum CodegenError {
/// A convenient alias for a `Result` that uses `CodegenError` as the error type.
pub type CodegenResult<T> = Result<T, CodegenError>;
impl From<VerifierError> for CodegenError {
fn from(e: VerifierError) -> Self {
impl From<VerifierErrors> for CodegenError {
fn from(e: VerifierErrors) -> Self {
CodegenError::Verifier(e)
}
}