1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106

mod ty;

pub use crate::ty::Lovm2ErrorTy;

pub type Lovm2Result<T> = Result<T, Lovm2Error>;
pub type Lovm2CompileResult<T> = Result<T, Lovm2CompileError>;

#[derive(Debug)]
pub struct Lovm2Error {
    pub ty: Lovm2ErrorTy,
    pub msg: String,
    pub trace: backtrace::Backtrace,
}

impl From<Lovm2ErrorTy> for Lovm2Error {
    fn from(ty: Lovm2ErrorTy) -> Self {
        Self {
            ty,
            ..Self::default()
        }
    }
}

impl <T> From<(Lovm2ErrorTy, T)> for Lovm2Error
where T: AsRef<str>
{
    fn from(descr: (Lovm2ErrorTy, T)) -> Self {
        Self {
            ty: descr.0,
            msg: descr.1.as_ref().to_string(),
            ..Self::default()
        }
    }
}

impl From<(String, String)> for Lovm2Error {
    fn from(f: (String, String)) -> Self {
        Self {
            ty: Lovm2ErrorTy::Custom(f.0),
            msg: f.1,
            ..Self::default()
        }
    }
}

impl From<String> for Lovm2Error {
    fn from(f: String) -> Self {
        Self {
            msg: f,
            ..Self::default()
        }
    }
}

impl From<&str> for Lovm2Error {
    fn from(f: &str) -> Self {
        Self {
            msg: f.to_string(),
            ..Self::default()
        }
    }
}

impl std::fmt::Display for Lovm2Error {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        writeln!(f, "{}: {}", self.ty, self.msg)?;
        writeln!(f, "{:?}", self.trace)?;
        Ok(())
    }
}

impl Default for Lovm2Error {
    fn default() -> Self {
        Self {
            ty: Lovm2ErrorTy::Basic,
            msg: String::new(),
            trace: backtrace::Backtrace::new(),
        }
    }
}

#[derive(Debug)]
pub enum Lovm2CompileError {
    Msg(Option<String>, String),
}

impl From<String> for Lovm2CompileError {
    fn from(f: String) -> Self {
        Self::Msg(None, f)
    }
}

impl From<&str> for Lovm2CompileError {
    fn from(f: &str) -> Self {
        Self::Msg(None, f.to_string())
    }
}

impl std::fmt::Display for Lovm2CompileError {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            Self::Msg(Some(ty), msg) => write!(f, "{}: {}", ty, msg),
            Self::Msg(None, msg) => write!(f, "{}", msg),
        }
    }
}