luaur-analysis 0.1.3

Luau type checker and type inference (Rust).
Documentation 
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

use crate::records::constraint_solver::ConstraintSolver;
use crate::records::deprecated_api_used::DeprecatedApiUsed;
use crate::type_aliases::type_error_data::TypeErrorData;
use core::ptr::NonNull;
use luaur_ast::records::ast_expr::AstExpr;
use luaur_ast::records::ast_expr_index_name::AstExprIndexName;
use luaur_ast::records::ast_node::AstNode;
use luaur_ast::rtti::ast_node_as;

pub fn check_require_path_dcr(mut solver: NonNull<ConstraintSolver>, expr: *mut AstExpr) -> bool {
    let mut good = true;
    let mut index_expr = unsafe { ast_node_as::<AstExprIndexName>(expr as *mut AstNode) };

    while !index_expr.is_null() {
        let index_ref = unsafe { &*index_expr };
        let index_bytes = unsafe { core::ffi::CStr::from_ptr(index_ref.index.value).to_bytes() };

        if index_bytes == b"parent" {
            let deprecated = DeprecatedApiUsed {
                symbol: "parent".to_string(),
                use_instead: "Parent".to_string(),
            };
            let data = TypeErrorData::DeprecatedApiUsed(deprecated);
            unsafe {
                solver
                    .as_mut()
                    .report_error_type_error_data_location(data, &index_ref.index_location);
            }
            good = false;
        }

        index_expr = unsafe { ast_node_as::<AstExprIndexName>(index_ref.expr as *mut AstNode) };
    }

    good
}