finitio 0.1.0

Finitio data language
Documentation 
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#[cfg(test)]
use super::{any, builtin, nil, r#ref};
#[cfg(test)]
use crate::fio::common::assert_parse;

use super::Type;
use crate::common::FilePosition;
use crate::fio::common::Span;
use nom::{bytes::complete::tag, combinator::map, sequence::delimited, IResult};
use serde::{Serialize, Deserialize};

use super::common::ws;
use super::r#type::parse_type;

#[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
pub struct SeqType {
    pub elm_type: Box<Type>,
    pub position: FilePosition,
}

pub fn parse_seq(input: Span) -> IResult<Span, SeqType> {
    map(
        delimited(tag("["), delimited(ws, parse_type, ws), tag("]")),
        |elm_type| SeqType {
            elm_type: Box::new(elm_type),
            position: input.into(),
        },
    )(input)
}

#[test]
fn test_parse_seq() {
    assert_parse(
        parse_seq(Span::new("[Nil]")),
        SeqType {
            elm_type: Box::new(Type::NilType(nil::NilType {
                position: FilePosition { line: 1, column: 2 },
            })),
            position: FilePosition { line: 1, column: 1 },
        },
    );
    assert_parse(
        parse_seq(Span::new("[.]")),
        SeqType {
            elm_type: Box::new(Type::AnyType(any::AnyType {
                position: FilePosition { line: 1, column: 2 },
            })),
            position: FilePosition { line: 1, column: 1 },
        },
    );
    assert_parse(
        parse_seq(Span::new("[.Number]")),
        SeqType {
            position: FilePosition { line: 1, column: 1 },
            elm_type: Box::new(Type::BuiltinType(builtin::BuiltinType {
                name: "Number".to_string(),
                position: FilePosition { line: 1, column: 2 },
            })),
        },
    );
    assert_parse(
        parse_seq(Span::new("[Number]")),
        SeqType {
            position: FilePosition { line: 1, column: 1 },
            elm_type: Box::new(Type::RefType(r#ref::RefType {
                name: "Number".to_string(),
                position: FilePosition { line: 1, column: 2 },
            })),
        },
    );

    ///// Spacing
    assert_parse(
        parse_seq(Span::new("[   Number \n \t ]")),
        SeqType {
            position: FilePosition { line: 1, column: 1 },
            elm_type: Box::new(Type::RefType(r#ref::RefType {
                name: "Number".to_string(),
                position: FilePosition { line: 1, column: 5 },
            })),
        },
    );
}