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Fixes #504: Implement Display/Fail for SetError and LookupError;

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This commit is contained in:
Benjamin Bouvier
2018-10-02 15:05:16 +02:00
committed by Dan Gohman
parent 0b3d3ac880
commit 8b296e4874
2 changed files with 7 additions and 2 deletions
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4
lib/codegen/src/isa/mod.rs
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@@ -120,12 +120,14 @@ pub fn lookup(triple: Triple) -> Result<Builder, LookupError> {
} }
/// Describes reason for target lookup failure /// Describes reason for target lookup failure
#[derive(PartialEq, Eq, Copy, Clone, Debug)] #[derive(Fail, PartialEq, Eq, Copy, Clone, Debug)]
pub enum LookupError { pub enum LookupError {
/// Support for this target was disabled in the current build. /// Support for this target was disabled in the current build.
#[fail(display = "Support for this target is disabled")]
SupportDisabled, SupportDisabled,
/// Support for this target has not yet been implemented. /// Support for this target has not yet been implemented.
#[fail(display = "Support for this target has not been implemented yet")]
Unsupported, Unsupported,
} }

5
lib/codegen/src/settings.rs
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@@ -147,15 +147,18 @@ impl Configurable for Builder {
} }
/// An error produced when changing a setting. /// An error produced when changing a setting.
#[derive(Debug, PartialEq, Eq)] #[derive(Fail, Debug, PartialEq, Eq)]
pub enum SetError { pub enum SetError {
/// No setting by this name exists. /// No setting by this name exists.
#[fail(display = "No existing setting with this name")]
BadName, BadName,
/// Type mismatch for setting (e.g., setting an enum setting as a bool). /// Type mismatch for setting (e.g., setting an enum setting as a bool).
#[fail(display = "Trying to set a setting with the wrong type")]
BadType, BadType,
/// This is not a valid value for this setting. /// This is not a valid value for this setting.
#[fail(display = "Unexpected value for a setting")]
BadValue, BadValue,
} }