use leaf_parser::{LineCol, ParseError};
use std::ops::Range;

use crate::SourceFile;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum Kind {
	Unknown = 0x0000,

	Parsing = 0x0100,

	SymbolNotFound = 0x0200,
	UninitializedSymbol = 0x0201,
	NotAType = 0x0202,

	FunctionCompilationFailed = 0x0301,
}

#[derive(Debug, Clone)]
pub enum Location {
	None,
	Range {
		file: SourceFile,
		range: Range<usize>,
	},
	Position {
		file: SourceFile,
		position: LineCol,
	},
}

#[derive(Debug)]
pub struct CompilationError {
	pub kind: Kind,
	pub message: String,
	pub location: Location,
	pub cause: Option<Box<CompilationError>>,
}

impl CompilationError {
	pub fn parsing(file: SourceFile, err: ParseError<LineCol>) -> Self {
		Self {
			kind: Kind::Parsing,
			message: err.to_string(),
			location: Location::Position {
				file,
				position: err.location,
			},
			cause: None,
		}
	}
}