46 lines
1.9 KiB
Rust
46 lines
1.9 KiB
Rust
use crate::tests::helpers::fixtures::WASM_DIR;
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use lazy_static::lazy_static;
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use std::fs;
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use tree_sitter::{wasmtime::Engine, Parser, WasmStore};
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lazy_static! {
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static ref ENGINE: Engine = Engine::default();
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}
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#[test]
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fn test_wasm_store() {
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let mut store = WasmStore::new(ENGINE.clone());
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let mut parser = Parser::new();
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let wasm_cpp = fs::read(&WASM_DIR.join(format!("tree-sitter-cpp.wasm"))).unwrap();
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let wasm_rs = fs::read(&WASM_DIR.join(format!("tree-sitter-rust.wasm"))).unwrap();
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let wasm_rb = fs::read(&WASM_DIR.join(format!("tree-sitter-ruby.wasm"))).unwrap();
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let language_rust = store.load_language("rust", &wasm_rs);
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let language_cpp = store.load_language("cpp", &wasm_cpp);
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let language_ruby = store.load_language("ruby", &wasm_rb);
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parser.set_wasm_store(store).unwrap();
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for _ in 0..2 {
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parser.set_language(language_cpp).unwrap();
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let tree = parser.parse("A<B> c = d();", None).unwrap();
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assert_eq!(
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tree.root_node().to_sexp(),
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"(translation_unit (declaration type: (template_type name: (type_identifier) arguments: (template_argument_list (type_descriptor type: (type_identifier)))) declarator: (init_declarator declarator: (identifier) value: (call_expression function: (identifier) arguments: (argument_list)))))"
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);
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parser.set_language(language_rust).unwrap();
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let tree = parser.parse("const A: B = c();", None).unwrap();
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assert_eq!(
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tree.root_node().to_sexp(),
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"(source_file (const_item name: (identifier) type: (type_identifier) value: (call_expression function: (identifier) arguments: (arguments))))"
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);
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parser.set_language(language_ruby).unwrap();
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let tree = parser.parse("class A; end", None).unwrap();
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assert_eq!(
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tree.root_node().to_sexp(),
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"(program (class name: (constant)))"
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);
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}
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}
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