30 lines
827 B
Rust
30 lines
827 B
Rust
use std::convert::Infallible;
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use std::path::PathBuf;
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use thiserror::Error;
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#[derive(Error, Debug)]
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pub enum PreprocessError {
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#[error("the version header was missing")]
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MissingVersionHeader,
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#[error("the file was not found during resolution")]
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IOError(PathBuf, std::io::Error),
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#[error("unexpected end of file")]
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UnexpectedEof,
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#[error("unexpected end of line")]
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UnexpectedEol(usize),
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#[error("error parsing pragma")]
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PragmaParseError(String),
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#[error("duplicate pragma found")]
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DuplicatePragmaError(String),
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#[error("shader format is unknown or not found")]
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UnknownShaderFormat,
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#[error("stage must be either vertex or fragment")]
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InvalidStage,
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}
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impl From<Infallible> for PreprocessError {
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fn from(_: Infallible) -> Self {
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unreachable!()
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}
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}
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