type-sitter-lib 0.10.0

library code for type-sitter generated / downstream code
Documentation 
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#![cfg(feature = "yak-sitter")]

mod json;
mod rust;

use crate::rust::queries::Tags;
use std::path::Path;
use type_sitter_lib::{Node, Parser, QueryCursor, StreamingIterator};

#[test]
pub fn test_use_queries_new() {
    // ???: Abstract with use_node_types?
    let mut parser =
        Parser::<rust::nodes::SourceFile>::new(&tree_sitter_rust::LANGUAGE.into()).unwrap();
    let code_path = Path::new(env!("CARGO_MANIFEST_DIR"))
        .join("../vendor/tree-sitter-rust/bindings/rust/lib.rs");
    let code_ast = parser
        .parse_file(&code_path, None)
        .expect("Failed to parse code");
    let code_root = code_ast.root_node().expect("Failed to wrap code root node");

    let mut q = QueryCursor::new();
    let mut q2 = QueryCursor::new();
    q.set_match_limit(100);
    let mut matches = q.matches(&Tags, code_root);
    eprintln!("Matches:");
    while let Some(r#match) = matches.next() {
        eprintln!("  {:?}", r#match);
    }
    let captures = q2.captures(&Tags, code_root).collect::<Vec<_>>();
    eprintln!("Captures:");
    for capture_ in &captures {
        eprintln!("  {:?}", capture_)
    }

    let mut matches = q.matches(&Tags, code_root);
    for _ in 0..=3 {
        let r#match = matches.next().unwrap();
        assert_eq!(
            r#match
                .reference_call()
                .unwrap()
                .as_macro_invocation()
                .unwrap()
                .r#macro()
                .unwrap()
                .as_identifier()
                .unwrap()
                .text(),
            "include_str"
        );
        assert_eq!(
            r#match.name().as_identifier().unwrap().text(),
            "include_str"
        );
    }
    let r#match = matches.next().unwrap();
    assert_eq!(r#match.definition_module().unwrap().name().text(), "tests");
    assert_eq!(r#match.name().as_identifier().unwrap().text(), "tests");
    assert_eq!(
        matches
            .next()
            .unwrap()
            .name()
            .as_identifier()
            .unwrap()
            .text(),
        "test_can_load_grammar"
    );
    let r#match = matches.next().unwrap();
    assert_eq!(
        r#match
            .definition_function()
            .unwrap()
            .name()
            .unwrap()
            .as_identifier()
            .unwrap()
            .text(),
        "test_can_load_grammar"
    );
    assert_eq!(
        r#match.name().as_identifier().unwrap().text(),
        "test_can_load_grammar"
    );
    let r#match = matches.next().unwrap();
    assert_eq!(
        r#match
            .reference_call()
            .unwrap()
            .as_call_expression()
            .unwrap()
            .function()
            .unwrap()
            .as_field_expression()
            .unwrap()
            .field()
            .unwrap()
            .text(),
        "set_language"
    );
    assert_eq!(
        r#match.name().as_field_identifier().unwrap().text(),
        "set_language"
    );
    let r#match = matches.next().unwrap();
    assert_eq!(
        r#match
            .reference_call()
            .unwrap()
            .as_call_expression()
            .unwrap()
            .function()
            .unwrap()
            .as_field_expression()
            .unwrap()
            .field()
            .unwrap()
            .text(),
        "into"
    );
    assert_eq!(r#match.name().as_field_identifier().unwrap().text(), "into");
    let r#match = matches.next().unwrap();
    assert_eq!(
        r#match
            .reference_call()
            .unwrap()
            .as_call_expression()
            .unwrap()
            .function()
            .unwrap()
            .as_field_expression()
            .unwrap()
            .field()
            .unwrap()
            .text(),
        "expect"
    );
    assert_eq!(
        r#match.name().as_field_identifier().unwrap().text(),
        "expect"
    );
    assert!(matches.next().is_none());
    // ???: Individual captures tests?
    assert_eq!(captures.len(), 20);
}