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use thiserror::Error;

#[derive(Debug, Error)]
pub enum ParseError {
  #[error("invalid eszip v1: {0}")]
  InvalidV1Json(serde_json::Error),
  #[error("invalid eszip v1 version: got {0}, expected 1")]
  InvalidV1Version(u32),
  #[error("invalid eszip v2")]
  InvalidV2,
  #[error("invalid eszip v2 header hash")]
  InvalidV2HeaderHash,
  #[error("invalid specifier in eszip v2 header at offset {0}")]
  InvalidV2Specifier(usize),
  #[error("invalid entry kind {0} in eszip v2 header at offset {0}")]
  InvalidV2EntryKind(u8, usize),
  #[error("invalid module kind {0} in eszip v2 header at offset {0}")]
  InvalidV2ModuleKind(u8, usize),
  #[error("invalid eszip v2 header: {0}")]
  InvalidV2Header(&'static str),
  #[error("invalid eszip v2 source offset ({0})")]
  InvalidV2SourceOffset(usize),
  #[error("invalid eszip v2 source hash (specifier {0})")]
  InvalidV2SourceHash(String),

  #[error(transparent)]
  Io(#[from] std::io::Error),
}