microsoft/qdk
Publicmirrored from https://github.com/microsoft/qdkAvailable
compiler/qsc_codegen/src/qsharp/test_utils.rs
79lines · modeblame
8bcde035Ian Davis2 years ago | 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. | |
| 3 | | |
| 4 | #![allow(clippy::too_many_lines)] | |
| 5 | | |
| 6 | use std::sync::Arc; | |
| 7 | | |
| 8 | use expect_test::Expect; | |
| 9 | use qsc_ast::{ast::Package, mut_visit::MutVisitor}; | |
da3795dcIan Davis2 years ago | 10 | use qsc_data_structures::{ |
| 11 | language_features::LanguageFeatures, span::Span, target::TargetCapabilityFlags, | |
| 12 | }; | |
| 13 | use qsc_frontend::compile::{self, compile, PackageStore, SourceMap}; | |
8bcde035Ian Davis2 years ago | 14 | use qsc_hir::hir::PackageId; |
| 15 | use qsc_passes::{run_core_passes, run_default_passes, PackageType}; | |
| 16 | | |
| 17 | use crate::qsharp::write_package_string; | |
| 18 | | |
| 19 | pub(crate) fn check(program: &str, expr: Option<&str>, expect: &Expect) { | |
| 20 | let (qsharp, src_ast_str) = compile_program(expr, program); | |
| 21 | expect.assert_eq(&qsharp); | |
| 22 | // Run the output against the compiler to ensure that input | |
| 23 | // and output both generate the same qsharp. | |
| 24 | let (round_trip_qsharp, gen_ast_str) = compile_program(expr, &qsharp); | |
| 25 | expect.assert_eq(&round_trip_qsharp); | |
| 26 | // we've validated the output, now validate the ASTs | |
| 27 | // We may have generated the same Q#, but may have changed semantics | |
| 28 | difference::assert_diff!(&src_ast_str, &gen_ast_str, "\n", 0); | |
| 29 | } | |
| 30 | | |
| 31 | pub(crate) fn get_compilation(sources: Option<SourceMap>) -> (PackageId, PackageStore) { | |
| 32 | let mut core = compile::core(); | |
| 33 | assert!(run_core_passes(&mut core).is_empty()); | |
| 34 | let mut store = PackageStore::new(core); | |
e874bfb8Ian Davis2 years ago | 35 | let mut std = compile::std(&store, TargetCapabilityFlags::empty()); |
308c5786Ian Davis2 years ago | 36 | assert!(run_default_passes(store.core(), &mut std, PackageType::Lib).is_empty()); |
8bcde035Ian Davis2 years ago | 37 | let std = store.insert(std); |
| 38 | | |
| 39 | let mut unit = compile( | |
| 40 | &store, | |
18d5b5f5Alex Hansen1 years ago | 41 | &[(std, None)], |
8bcde035Ian Davis2 years ago | 42 | sources.unwrap_or_default(), |
e874bfb8Ian Davis2 years ago | 43 | TargetCapabilityFlags::all(), |
8bcde035Ian Davis2 years ago | 44 | LanguageFeatures::empty(), |
| 45 | ); | |
| 46 | assert!(unit.errors.is_empty(), "{:?}", unit.errors); | |
308c5786Ian Davis2 years ago | 47 | assert!(run_default_passes(store.core(), &mut unit, PackageType::Lib,).is_empty()); |
8bcde035Ian Davis2 years ago | 48 | let package_id = store.insert(unit); |
| 49 | (package_id, store) | |
| 50 | } | |
| 51 | | |
| 52 | pub(crate) fn compile_program(expr: Option<&str>, program: &str) -> (String, String) { | |
| 53 | let expr_as_arc: Option<Arc<str>> = expr.map(|s| Arc::from(s.to_string())); | |
| 54 | let sources = SourceMap::new([("test".into(), program.into())], expr_as_arc); | |
| 55 | | |
| 56 | let (package_id, store) = get_compilation(Some(sources)); | |
| 57 | let package = &store.get(package_id).expect("package must exist"); | |
| 58 | | |
| 59 | let despanned_ast = AstDespanner.despan(&package.ast.package); | |
| 60 | let qsharp = write_package_string(&despanned_ast); | |
| 61 | let ast = format!("{despanned_ast}"); | |
| 62 | (qsharp, ast) | |
| 63 | } | |
| 64 | | |
| 65 | struct AstDespanner; | |
| 66 | impl AstDespanner { | |
| 67 | fn despan(&mut self, package: &Package) -> Package { | |
| 68 | let mut p = package.clone(); | |
| 69 | self.visit_package(&mut p); | |
| 70 | p | |
| 71 | } | |
| 72 | } | |
| 73 | | |
| 74 | impl qsc_ast::mut_visit::MutVisitor for AstDespanner { | |
| 75 | fn visit_span(&mut self, span: &mut Span) { | |
| 76 | span.hi = 0; | |
| 77 | span.lo = 0; | |
| 78 | } | |
| 79 | } |