sixtyfps-compilerlib 0.0.1

/* LICENSE BEGIN
    This file is part of the SixtyFPS Project -- https://sixtyfps.io
    Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
    Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>

    SPDX-License-Identifier: GPL-3.0-only
    This file is also available under commercial licensing terms.
    Please contact info@sixtyfps.io for more information.
LICENSE END */
//! Module containing the parsing functions for type names

use super::document::parse_qualified_name;
use super::prelude::*;

#[cfg_attr(test, parser_test)]
/// ```test,Type
/// string
/// [ int ]
/// {a: string, b: int}
/// ```
pub fn parse_type(p: &mut impl Parser) {
    let mut p = p.start_node(SyntaxKind::Type);
    match p.nth(0).kind() {
        SyntaxKind::LBrace => parse_type_object(&mut *p),
        SyntaxKind::LBracket => parse_type_array(&mut *p),
        _ => {
            parse_qualified_name(&mut *p);
        }
    }
}

#[cfg_attr(test, parser_test)]
/// ```test,ObjectType
/// {a: string, b: int}
/// {}
/// {a: string}
/// {a: string,}
/// {a: { foo: string, bar: int, }, q: {} }
/// ```
pub fn parse_type_object(p: &mut impl Parser) {
    let mut p = p.start_node(SyntaxKind::ObjectType);
    p.expect(SyntaxKind::LBrace);
    while p.nth(0).kind() != SyntaxKind::RBrace {
        let mut p = p.start_node(SyntaxKind::ObjectTypeMember);
        p.expect(SyntaxKind::Identifier);
        p.expect(SyntaxKind::Colon);
        parse_type(&mut *p);
        if !p.test(SyntaxKind::Comma) {
            break;
        }
    }
    p.expect(SyntaxKind::RBrace);
}

#[cfg_attr(test, parser_test)]
/// ```test,ArrayType
/// [int]
/// [[int]]
/// [{a: string, b: [string]}]
/// ```
pub fn parse_type_array(p: &mut impl Parser) {
    let mut p = p.start_node(SyntaxKind::ArrayType);
    p.expect(SyntaxKind::LBracket);
    parse_type(&mut *p);
    p.expect(SyntaxKind::RBracket);
}