90 lines
2.9 KiB
Rust
90 lines
2.9 KiB
Rust
use lazy_static::lazy_static;
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use std::fs;
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use std::path::{Path, PathBuf};
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use tree_sitter::Language;
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use tree_sitter_highlight::HighlightConfiguration;
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use tree_sitter_loader::Loader;
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use tree_sitter_tags::TagsConfiguration;
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include!("./dirs.rs");
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lazy_static! {
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static ref TEST_LOADER: Loader = Loader::with_parser_lib_path(SCRATCH_DIR.join("lib"));
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}
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pub fn test_loader<'a>() -> &'a Loader {
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&*TEST_LOADER
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}
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pub fn fixtures_dir<'a>() -> &'static Path {
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&FIXTURES_DIR
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}
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pub fn get_language(name: &str) -> Language {
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TEST_LOADER
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.load_language_at_path(&GRAMMARS_DIR.join(name).join("src"), &HEADER_DIR)
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.unwrap()
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}
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pub fn get_language_queries_path(language_name: &str) -> PathBuf {
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GRAMMARS_DIR.join(language_name).join("queries")
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}
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pub fn get_highlight_config(
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language_name: &str,
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injection_query_filename: Option<&str>,
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highlight_names: &[String],
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) -> HighlightConfiguration {
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let language = get_language(language_name);
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let queries_path = get_language_queries_path(language_name);
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let highlights_query = fs::read_to_string(queries_path.join("highlights.scm")).unwrap();
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let injections_query = if let Some(injection_query_filename) = injection_query_filename {
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fs::read_to_string(queries_path.join(injection_query_filename)).unwrap()
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} else {
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String::new()
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};
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let locals_query = fs::read_to_string(queries_path.join("locals.scm")).unwrap_or(String::new());
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let mut result = HighlightConfiguration::new(
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language,
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&highlights_query,
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&injections_query,
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&locals_query,
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)
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.unwrap();
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result.configure(&highlight_names);
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result
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}
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pub fn get_tags_config(language_name: &str) -> TagsConfiguration {
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let language = get_language(language_name);
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let queries_path = get_language_queries_path(language_name);
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let tags_query = fs::read_to_string(queries_path.join("tags.scm")).unwrap();
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let locals_query = fs::read_to_string(queries_path.join("locals.scm")).unwrap_or(String::new());
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TagsConfiguration::new(language, &tags_query, &locals_query).unwrap()
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}
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pub fn get_test_language(
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name: &str,
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parser_code: &str,
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scanner_src_path: Option<&Path>,
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) -> Language {
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let src_dir = SCRATCH_DIR.join("src").join(name);
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fs::create_dir_all(&src_dir).unwrap();
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let parser_path = src_dir.join("parser.c");
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if !fs::read_to_string(&parser_path).map_or(false, |content| content == parser_code) {
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fs::write(&parser_path, parser_code).unwrap();
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}
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if let Some(scanner_src_path) = scanner_src_path {
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let scanner_code = fs::read_to_string(&scanner_src_path).unwrap();
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let scanner_path = src_dir.join("scanner.c");
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if !fs::read_to_string(&scanner_path).map_or(false, |content| content == scanner_code) {
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fs::write(&scanner_path, scanner_code).unwrap();
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}
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}
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TEST_LOADER
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.load_language_at_path_with_name(&src_dir, &HEADER_DIR, name)
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.unwrap()
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}
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