mirror of
https://github.com/enso-org/enso.git
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ffe6700901
Make it possible to parametrize the font in different instances of `ListView` via styles. This makes it possible for the Component Group view to use a `ListView` with `list_view::entry::Label` underneath with a different visual style than the default `ListView` used in other places in the IDE. https://www.pivotaltracker.com/story/show/182033743 #### Visuals This feature allows the Component Group visual component to use a proportional font for its entries, as seen in the `component_group` debug scene: <img width="180" alt="Screenshot 2022-05-02 at 14 50 46" src="https://user-images.githubusercontent.com/273837/166236411-1d139114-b099-4a10-8d44-48713d155d1e.png"> The other instances of ListView still use a monospaced font as before: <img width="152" alt="Screenshot 2022-04-29 at 14 45 57" src="https://user-images.githubusercontent.com/273837/165950535-6cffd0df-d84e-4f74-8d48-3114aea9fc68.png"> <img width="629" alt="Screenshot 2022-04-29 at 14 46 35" src="https://user-images.githubusercontent.com/273837/165950578-0439d078-0224-4138-b38f-4bb799b004aa.png"> The `text_area` debug scene works correctly: <img width="340" alt="Screenshot 2022-04-29 at 14 46 12" src="https://user-images.githubusercontent.com/273837/165950564-fbbde201-c5ad-448e-af3d-8a7494757932.png"> # Important Notes - Parsing `String` values into `style::Data` should now be done through the `FromStr` trait, instead of the `TryFrom<String>` trait as previously. (Note: the `String::parse` function in the Rust standard library uses the `FromStr` trait underneath.) [ci no changelog needed]
547 lines
18 KiB
Rust
547 lines
18 KiB
Rust
// === Features ===
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#![feature(generators, generator_trait)]
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// === Non-Standard Linter Configuration ===
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#![deny(non_ascii_idents)]
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#![warn(unsafe_code)]
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use ast::*;
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use parser::prelude::*;
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use ast::test_utils::expect_shape;
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use parser::api::Metadata;
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use parser::api::ParsedSourceFile;
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use serde::de::DeserializeOwned;
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use serde::Deserialize;
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use serde::Serialize;
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use wasm_bindgen_test::wasm_bindgen_test;
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use wasm_bindgen_test::wasm_bindgen_test_configure;
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wasm_bindgen_test_configure!(run_in_browser);
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// ===============
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// === Helpers ===
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// ===============
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/// Asserts that given AST is a Var with given name.
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fn assert_var<StringLike: Into<String>>(ast: &Ast, name: StringLike) {
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let actual: &Var = expect_shape(ast);
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let expected = Var { name: name.into() };
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assert_eq!(*actual, expected);
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}
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/// Asserts that given AST is an Opr with given name.
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fn assert_opr<StringLike: Into<String>>(ast: &Ast, name: StringLike) {
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let actual: &Opr = expect_shape(ast);
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let expected = Opr { name: name.into() };
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assert_eq!(*actual, expected);
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}
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fn roundtrip_program_with(parser: &parser::Parser, program: &str) {
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let ast = parser.parse(program.to_string(), Default::default()).unwrap();
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assert_eq!(ast.repr(), program, "{:#?}", ast);
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}
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fn roundtrip_program(program: &str) {
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let parser = parser::Parser::new_or_panic();
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roundtrip_program_with(&parser, program);
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}
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// ================
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// === Metadata ===
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// ================
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/// Wrapper for using any serializable type as metadata.
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#[derive(Clone, Debug, Default, Deserialize, PartialEq, Serialize)]
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struct FauxMetadata<T>(T);
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impl<T: Default + Serialize + DeserializeOwned> Metadata for FauxMetadata<T> {}
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// ===============
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// === Fixture ===
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// ===============
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/// Persists parser (which is expensive to construct, so we want to reuse it
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/// between tests. Additionally, hosts a number of helper methods.
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struct Fixture {
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parser: parser::Parser,
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}
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impl Fixture {
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// === Helper methods ===
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/// Create a new fixture, obtaining a default parser.
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fn new() -> Fixture {
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Fixture { parser: parser::Parser::new_or_panic() }
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}
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/// Program is expected to be single line module. The line's Shape subtype
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/// is obtained and passed to `tester`.
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fn test_shape<T, F>(&mut self, program: &str, tester: F)
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where
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for<'t> &'t Shape<Ast>: TryInto<&'t T>,
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F: FnOnce(&T), {
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let ast = self.parser.parse_line_ast(program).unwrap();
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let shape = expect_shape(&ast);
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tester(shape);
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}
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// === Test Methods ===
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fn blank_line_round_trip(&mut self) {
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let program = "main = \n foo\n \n bar";
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let ast = self.parser.parse_module(program, default()).unwrap();
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assert_eq!(ast.repr(), program);
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}
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fn deserialize_metadata(&mut self) {
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let term = ast::Module { lines: vec![ast::BlockLine { elem: None, off: 0 }] };
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let ast = known::KnownAst::new_no_id(term);
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let file = ParsedSourceFile { ast, metadata: serde_json::json!({}) };
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let code = String::try_from(&file).unwrap();
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assert_eq!(self.parser.parse_with_metadata(code).unwrap(), file);
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}
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fn deserialize_unrecognized(&mut self) {
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let unfinished = "`";
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self.test_shape(unfinished, |shape: &Unrecognized| {
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assert_eq!(shape.str, "`");
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});
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}
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#[allow(dead_code)] // TODO [mwu] https://github.com/enso-org/enso/issues/1016
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fn deserialize_unexpected(&mut self) {
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let unexpected = "import";
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let ast = self.parser.parse_line_ast(unexpected).unwrap();
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// This does not deserialize to "Unexpected" but to a very complex macro match tree that has
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// Unexpected somewhere within. We just make sure that it is somewhere, and that confirms
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// that we are able to deserialize such node.
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let has_unexpected =
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ast.iter_recursive().find(|ast| matches!(ast.shape(), Shape::Unexpected(_)));
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assert!(has_unexpected.is_some());
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}
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fn deserialize_invalid_quote(&mut self) {
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let unfinished = "'a''";
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self.test_shape(unfinished, |shape: &Prefix<Ast>| {
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// ignore shape.func, being TextUnclosed tested elsewhere
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let arg: &InvalidQuote = expect_shape(&shape.arg);
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let expected_quote = Text { str: "''".into() };
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assert_eq!(arg.quote, expected_quote.into());
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});
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}
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fn deserialize_inline_block(&mut self) {
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let unfinished = "'''a";
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self.test_shape(unfinished, |shape: &Prefix<Ast>| {
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let func: &InlineBlock = expect_shape(&shape.func);
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let expected_quote = Text { str: "'''".into() };
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assert_eq!(func.quote, expected_quote.into());
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assert_var(&shape.arg, "a");
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});
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}
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fn deserialize_blank(&mut self) {
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let expect_blank = |_: &Blank| {};
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let _ast = self.test_shape("_", expect_blank);
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}
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fn deserialize_var(&mut self) {
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self.test_shape("foo", |var: &Var| {
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let expected_var = Var { name: "foo".into() };
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assert_eq!(var, &expected_var);
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});
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}
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fn deserialize_cons(&mut self) {
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let name = "FooBar";
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self.test_shape(name, |shape: &Cons| {
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assert_eq!(shape.name, name);
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});
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}
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fn deserialize_mod(&mut self) {
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self.test_shape("+=", |shape: &Mod| {
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assert_eq!(shape.name, "+");
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});
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}
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fn deserialize_invalid_suffix(&mut self) {
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self.test_shape("foo'bar", |shape: &InvalidSuffix<Ast>| {
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assert_var(&shape.elem, "foo'");
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assert_eq!(shape.suffix, "bar");
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});
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}
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fn deserialize_number(&mut self) {
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self.test_shape("127", |shape: &Number| {
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assert_eq!(shape.base, None);
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assert_eq!(shape.int, "127");
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});
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self.test_shape("16_ff", |shape: &Number| {
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assert_eq!(shape.base.as_ref().unwrap(), "16");
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assert_eq!(shape.int, "ff");
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});
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}
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fn deserialize_text_line_raw(&mut self) {
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self.test_shape("\"foo\"", |shape: &TextLineRaw| {
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let (segment,) = (&shape.text).expect_tuple();
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let expected = SegmentPlain { value: "foo".to_string() };
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assert_eq!(*segment, expected.into());
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});
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let tricky_raw = r#""\\\'\n""#;
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self.test_shape(tricky_raw, |shape: &TextLineRaw| {
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let segments: (_,) = (&shape.text).expect_tuple();
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assert_eq!(*segments.0, SegmentPlain { value: r"\\\'\n".to_string() }.into());
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});
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}
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fn test_text_fmt_segment<F>(&mut self, program: &str, tester: F)
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where F: FnOnce(&SegmentFmt<Ast>) {
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self.test_shape(program, |shape: &TextLineFmt<Ast>| {
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let (segment,) = (&shape.text).expect_tuple();
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tester(segment)
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});
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}
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fn deserialize_text_line_fmt(&mut self) {
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use SegmentFmt::SegmentExpr;
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// plain segment
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self.test_shape("'foo'", |shape: &TextLineFmt<Ast>| {
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let (segment,) = (&shape.text).expect_tuple();
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let expected = SegmentPlain { value: "foo".into() };
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assert_eq!(*segment, expected.into());
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});
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// escapes
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let tricky_fmt = r#"'\\\'\"'"#;
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self.test_shape(tricky_fmt, |shape: &TextLineFmt<Ast>| {
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let segments: (_, _, _) = (&shape.text).expect_tuple();
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assert_eq!(*segments.0, Slash {}.into());
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assert_eq!(*segments.1, Quote {}.into());
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assert_eq!(*segments.2, Invalid { str: '"' }.into());
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});
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// expression empty
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let expr_fmt = r#"'``'"#;
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self.test_text_fmt_segment(expr_fmt, |segment| match segment {
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SegmentExpr(expr) => assert_eq!(expr.value, None),
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_ => panic!("wrong segment type received"),
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});
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// expression non-empty
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let expr_fmt = r#"'`foo`'"#;
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self.test_text_fmt_segment(expr_fmt, |segment| match segment {
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SegmentExpr(expr) => assert_var(expr.value.as_ref().unwrap(), "foo"),
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_ => panic!("wrong segment type received"),
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});
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self.test_text_fmt_segment(r#"'\n'"#, |segment| {
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let expected = EscapeCharacter { c: 'n' };
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assert_eq!(*segment, expected.into());
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});
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self.test_text_fmt_segment(r#"'\u0394'"#, |segment| {
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let expected = EscapeUnicode16 { digits: "0394".into() };
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assert_eq!(*segment, expected.into());
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});
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// TODO [MWU] We don't test Unicode21 as it is not yet supported by the
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// parser.
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self.test_text_fmt_segment(r#"'\U0001f34c'"#, |segment| {
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let expected = EscapeUnicode32 { digits: "0001f34c".into() };
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assert_eq!(*segment, expected.into());
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});
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}
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fn deserialize_text_block_raw(&mut self) {
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let program = "\"\"\" \n \n X";
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self.test_shape(program, |shape: &TextBlockRaw| {
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assert_eq!(shape.spaces, 1);
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assert_eq!(shape.offset, 0);
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let (line,) = (&shape.text).expect_tuple();
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let (empty_line,) = (&line.empty_lines).expect_tuple();
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assert_eq!(*empty_line, 2);
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let (segment,) = (&line.text).expect_tuple();
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let expected_segment = SegmentPlain { value: " X".into() };
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assert_eq!(*segment, expected_segment.into());
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});
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}
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fn deserialize_text_block_fmt(&mut self) {
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let program = "''' \n\n X\n Y";
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self.test_shape(program, |shape: &TextBlockFmt<Ast>| {
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assert_eq!(shape.spaces, 2);
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assert_eq!(shape.offset, 0);
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assert_eq!(shape.text.len(), 2);
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let (line1, line2) = (&shape.text).expect_tuple();
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let (empty_line,) = (&line1.empty_lines).expect_tuple();
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assert_eq!(*empty_line, 0);
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let (segment,) = (&line1.text).expect_tuple();
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let expected_segment = SegmentPlain { value: " X".into() };
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assert_eq!(*segment, expected_segment.into());
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assert!(line2.empty_lines.is_empty());
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let (segment,) = (&line2.text).expect_tuple();
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let expected_segment = SegmentPlain { value: " Y".into() };
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assert_eq!(*segment, expected_segment.into());
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});
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}
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fn deserialize_unfinished_text(&mut self) {
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let unfinished = r#""\"#;
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self.test_shape(unfinished, |shape: &TextUnclosed<Ast>| {
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let line = &shape.line;
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let line: &TextLineRaw = line.try_into().unwrap();
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let (segment,) = (&line.text).expect_tuple();
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let expected = SegmentPlain { value: r"\".into() };
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assert_eq!(*segment, expected.into());
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});
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}
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fn deserialize_dangling_base(&mut self) {
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self.test_shape("16_", |shape: &DanglingBase| {
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assert_eq!(shape.base, "16");
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});
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}
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fn deserialize_prefix(&mut self) {
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self.test_shape("foo bar", |shape: &Prefix<Ast>| {
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assert_var(&shape.func, "foo");
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assert_eq!(shape.off, 3);
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assert_var(&shape.arg, "bar");
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});
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}
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fn deserialize_infix(&mut self) {
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self.test_shape("foo + bar", |shape: &Infix<Ast>| {
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assert_var(&shape.larg, "foo");
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assert_eq!(shape.loff, 1);
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assert_opr(&shape.opr, "+");
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assert_eq!(shape.roff, 2);
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assert_var(&shape.rarg, "bar");
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});
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}
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fn deserialize_left(&mut self) {
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self.test_shape("foo +", |shape: &SectionLeft<Ast>| {
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assert_var(&shape.arg, "foo");
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assert_eq!(shape.off, 1);
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assert_opr(&shape.opr, "+");
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});
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}
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fn deserialize_right(&mut self) {
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self.test_shape("+ bar", |shape: &SectionRight<Ast>| {
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assert_opr(&shape.opr, "+");
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assert_eq!(shape.off, 1);
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assert_var(&shape.arg, "bar");
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});
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}
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fn deserialize_sides(&mut self) {
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self.test_shape("+", |shape: &SectionSides<Ast>| {
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assert_opr(&shape.opr, "+");
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});
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}
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fn deserialize_block(&mut self) {
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self.test_shape(" foo\n bar", |block: &Block<Ast>| {
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assert_eq!(block.ty, BlockType::Continuous {});
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assert_eq!(block.indent, 1);
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assert_eq!(block.empty_lines.len(), 0);
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assert!(block.is_orphan);
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let first_line = &block.first_line;
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assert_eq!(first_line.off, 0);
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assert_var(&first_line.elem, "foo");
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let (second_line,) = (&block.lines).expect_tuple();
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assert_eq!(second_line.off, 0);
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assert_var(second_line.elem.as_ref().unwrap(), "bar");
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});
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}
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fn deserialize_annotation(&mut self) {
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self.test_shape("@Tail_call", |annotation: &Annotation| {
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let expected_annotation = Annotation { name: "@Tail_call".into() };
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assert_eq!(annotation, &expected_annotation);
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});
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}
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/// Tests parsing a number of sample macro usages.
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///
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/// As macros generate usually really huge ASTs, this test only checks
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/// that we are able to deserialize the response and that it is a macro
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/// match node. Node contents is not covered.
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fn deserialize_macro_matches(&mut self) {
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let macro_usages = vec![
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"[]",
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"[1,2,3]",
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"{x}",
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"polyglot java import com.example.MyClass",
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"foo -> bar",
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"()",
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"(foo -> bar)",
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"a b c -> bar",
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"type Maybe a\n Just val:a",
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"if foo > 8 then 10 else 9",
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"skip bar",
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"freeze bar",
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"case foo of\n bar",
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"import foo",
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"import",
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"export bar",
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"from bar import all",
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"from bar export bo",
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"a ->",
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"-> a",
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"(a -> b) -> c",
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];
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for macro_usage in macro_usages.iter() {
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let ast = self.parser.parse_line_ast(*macro_usage).unwrap();
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expect_shape::<Match<Ast>>(&ast);
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}
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}
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fn deserialize_macro_ambiguous(&mut self) {
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self.test_shape("if foo", |shape: &Ambiguous<Ast>| {
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let segment = &shape.segs.head;
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assert_var(&segment.head, "if");
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let segment_body = segment.body.as_ref().unwrap();
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assert_eq!(segment_body.off, 2);
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assert_var(&segment_body.wrapped, "foo");
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});
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}
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fn run(&mut self) {
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// Shapes not covered by separate test:
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// * Opr (doesn't parse on its own, covered by Infix and other)
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// * Module (covered by every single test, as parser wraps everything into module)
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self.blank_line_round_trip();
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self.deserialize_metadata();
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self.deserialize_unrecognized();
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//self.deserialize_unexpected(); // TODO [mwu] https://github.com/enso-org/enso/issues/1016
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self.deserialize_invalid_quote();
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self.deserialize_inline_block();
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self.deserialize_blank();
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self.deserialize_var();
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self.deserialize_cons();
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self.deserialize_mod();
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self.deserialize_invalid_suffix();
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self.deserialize_number();
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self.deserialize_text_line_raw();
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self.deserialize_text_line_fmt();
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self.deserialize_text_block_raw();
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self.deserialize_text_block_fmt();
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self.deserialize_unfinished_text();
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self.deserialize_dangling_base();
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self.deserialize_prefix();
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self.deserialize_infix();
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self.deserialize_left();
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self.deserialize_right();
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self.deserialize_sides();
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self.deserialize_block();
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self.deserialize_annotation();
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|
self.deserialize_macro_matches();
|
|
self.deserialize_macro_ambiguous();
|
|
}
|
|
}
|
|
|
|
/// A single entry point for all the tests here using external parser.
|
|
///
|
|
/// Setting up the parser is costly, so we run all tests as a single batch.
|
|
/// Until proper CI solution for calling external parser is devised, this
|
|
/// test is marked with `#[ignore]`.
|
|
#[wasm_bindgen_test]
|
|
fn parser_tests() {
|
|
Fixture::new().run()
|
|
}
|
|
|
|
/// Test case for https://github.com/enso-org/ide/issues/296
|
|
#[wasm_bindgen_test]
|
|
fn block_roundtrip() {
|
|
let programs = vec![
|
|
"main = 10 + 10",
|
|
"main =\n a = 10\n b = 20\n a * b",
|
|
"main =\n foo a =\n a * 10\n foo 10\n print \"hello\"",
|
|
"main =\n foo\n \n bar",
|
|
"main =\n \n foo\n \n bar",
|
|
];
|
|
for program in programs {
|
|
roundtrip_program(program);
|
|
}
|
|
}
|
|
|
|
/// Test case for https://github.com/enso-org/ide/issues/296
|
|
#[wasm_bindgen_test]
|
|
fn nested_macros() {
|
|
let parser = parser::Parser::new_or_panic();
|
|
|
|
// Generate nested brackets. Stop at 8 because it gets slower and slower.
|
|
// At 12 the deserialization fails on WASM.
|
|
// At 14 the parsing fails in parser-service.
|
|
for i in 0..8 {
|
|
let program = format!("{}{}{}", "[".repeat(i), "foo", "]".repeat(i));
|
|
roundtrip_program_with(&parser, &program);
|
|
}
|
|
|
|
// Cases from https://github.com/enso-org/ide/issues/1351
|
|
let program = r#"from Standard.Base import all
|
|
|
|
main =
|
|
operator13 = Json.from_pairs [["a", 42], ["foo", [1,2,3]]]
|
|
var1 = [operator13, operator13]"#;
|
|
roundtrip_program_with(&parser, program);
|
|
|
|
let program = r#"triplets n = 1.up_to n . to_vector . flat_map a->
|
|
a+1 . up_to n . to_vector . flat_map b->
|
|
b+1 . up_to n . to_vector . flat_map c->
|
|
if a+b+c == n then [[a,b,c]] else []
|
|
n = 10
|
|
here.triplets n
|
|
IO.println(here.triplets n)"#;
|
|
roundtrip_program_with(&parser, program);
|
|
}
|
|
|
|
#[wasm_bindgen_test]
|
|
fn dealing_with_invalid_metadata() {
|
|
let f = Fixture::new();
|
|
|
|
let id = ast::Id::from_str("52233542-5c73-430b-a2b7-a68aaf81341b").unwrap();
|
|
let var = ast::Ast::new(ast::Var { name: "variable1".into() }, Some(id));
|
|
let module = ast::Module::from_line(var);
|
|
let ast = known::Module::new_no_id(module);
|
|
let metadata = FauxMetadata("certainly_not_a_number".to_string());
|
|
|
|
// Make sure that out metadata cannot be deserialized as `FauxMetadata<i32>`.
|
|
let serialized_text_metadata = serde_json::to_string(&metadata).unwrap();
|
|
assert!(serde_json::from_str::<FauxMetadata<i32>>(&serialized_text_metadata).is_err());
|
|
|
|
let parsed_file = parser::api::ParsedSourceFile { ast, metadata };
|
|
let generated = parsed_file.serialize().unwrap();
|
|
let expected_generated = r#"variable1
|
|
|
|
|
|
#### METADATA ####
|
|
[[{"index":{"value":0},"size":{"value":9}},"52233542-5c73-430b-a2b7-a68aaf81341b"]]
|
|
"certainly_not_a_number""#;
|
|
assert_eq!(generated.content, expected_generated);
|
|
let r = f.parser.parse_with_metadata::<FauxMetadata<i32>>(generated.content).unwrap();
|
|
assert_eq!(r.metadata, default());
|
|
}
|