schala/src/language.rs

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use std::fmt::Debug;
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#[derive(Debug)]
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pub struct TokenError {
pub msg: String,
}
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impl TokenError {
pub fn new(msg: &str) -> TokenError {
TokenError { msg: msg.to_string() }
}
}
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#[derive(Debug)]
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pub struct ParseError {
pub msg: String,
}
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pub struct LLVMCodeString(pub String);
pub trait ProgrammingLanguage<E: EvaluationMachine> {
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type Token: Debug;
type AST: Debug;
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fn tokenize(input: &str) -> Result<Vec<Self::Token>, TokenError>;
fn parse(input: Vec<Self::Token>) -> Result<Self::AST, ParseError>;
fn evaluate(ast: Self::AST, evaluator: &mut E) -> Vec<String>;
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fn compile(ast: Self::AST) -> LLVMCodeString;
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}
pub trait EvaluationMachine {
fn set_option(&mut self, option: &str, value: bool) -> bool;
fn new() -> Self;
}