-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Closes partially #666 ### Summary of Changes Implement & test type checker services. A later PR will use the service to implement validation for types.
1 parent
3e71cad
commit daad5c4
Showing
4 changed files
with
695 additions
and
75 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
605 changes: 605 additions & 0 deletions
605
packages/safe-ds-lang/tests/language/typing/safe-ds-type-checker.test.ts
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,605 @@ | ||
| import { streamAllContents } from 'langium'; | ||
| import { NodeFileSystem } from 'langium/node'; | ||
| import { describe, expect, it } from 'vitest'; | ||
| import { | ||
| isSdsClass, | ||
| isSdsEnum, | ||
| isSdsEnumVariant, | ||
| isSdsFunction, | ||
| isSdsModule, | ||
| } from '../../../src/language/generated/ast.js'; | ||
| import { getModuleMembers } from '../../../src/language/helpers/nodeProperties.js'; | ||
| import { createSafeDsServicesWithBuiltins } from '../../../src/language/index.js'; | ||
| import { | ||
| BooleanConstant, | ||
| FloatConstant, | ||
| IntConstant, | ||
| NullConstant, | ||
| StringConstant, | ||
| } from '../../../src/language/partialEvaluation/model.js'; | ||
| import { | ||
| ClassType, | ||
| LiteralType, | ||
| NamedTupleEntry, | ||
| NamedTupleType, | ||
| StaticType, | ||
| Type, | ||
| UnionType, | ||
| UnknownType, | ||
| } from '../../../src/language/typing/model.js'; | ||
| import { getNodeOfType } from '../../helpers/nodeFinder.js'; | ||
|
|
||
| const services = (await createSafeDsServicesWithBuiltins(NodeFileSystem)).SafeDs; | ||
| const coreTypes = services.types.CoreTypes; | ||
| const typeChecker = services.types.TypeChecker; | ||
| const typeComputer = services.types.TypeComputer; | ||
|
|
||
| const code = ` | ||
| fun func1() -> () | ||
| fun func2(p: Int = 0) -> () | ||
| fun func3(p: Int) -> () | ||
| fun func4(r: Int) -> () | ||
| fun func5(p: Any) -> () | ||
| fun func6(p: String) -> () | ||
| fun func7() -> (r: Int) | ||
| fun func8() -> (s: Int) | ||
| fun func9() -> (r: Any) | ||
| fun func10() -> (r: String) | ||
| class Class1 | ||
| class Class2 sub Class1 | ||
| class Class3 | ||
| enum Enum1 { | ||
| Variant1 | ||
| Variant2 | ||
| } | ||
| enum Enum2 | ||
| `; | ||
| const module = await getNodeOfType(services, code, isSdsModule); | ||
| const functions = getModuleMembers(module).filter(isSdsFunction); | ||
| const callableType1 = typeComputer.computeType(functions[0]); | ||
| const callableType2 = typeComputer.computeType(functions[1]); | ||
| const callableType3 = typeComputer.computeType(functions[2]); | ||
| const callableType4 = typeComputer.computeType(functions[3]); | ||
| const callableType5 = typeComputer.computeType(functions[4]); | ||
| const callableType6 = typeComputer.computeType(functions[5]); | ||
| const callableType7 = typeComputer.computeType(functions[6]); | ||
| const callableType8 = typeComputer.computeType(functions[7]); | ||
| const callableType9 = typeComputer.computeType(functions[8]); | ||
| const callableType10 = typeComputer.computeType(functions[9]); | ||
|
|
||
| const classes = getModuleMembers(module).filter(isSdsClass); | ||
| const class1 = classes[0]; | ||
| const class2 = classes[1]; | ||
| const class3 = classes[2]; | ||
| const classType1 = typeComputer.computeType(class1) as ClassType; | ||
| const classType2 = typeComputer.computeType(class2) as ClassType; | ||
| const classType3 = typeComputer.computeType(class3) as ClassType; | ||
|
|
||
| const enums = getModuleMembers(module).filter(isSdsEnum); | ||
| const enum1 = enums[0]; | ||
| const enum2 = enums[1]; | ||
| const enumType1 = typeComputer.computeType(enum1); | ||
| const enumType2 = typeComputer.computeType(enum2); | ||
|
|
||
| const enumVariants = streamAllContents(module).filter(isSdsEnumVariant).toArray(); | ||
| const enumVariant1 = enumVariants[0]; | ||
| const enumVariant2 = enumVariants[1]; | ||
| const enumVariantType1 = typeComputer.computeType(enumVariant1); | ||
| const enumVariantType2 = typeComputer.computeType(enumVariant2); | ||
|
|
||
| describe('SafeDsTypeChecker', async () => { | ||
| const testCases: IsAssignableToTest[] = [ | ||
| { | ||
| type1: callableType1, | ||
| type2: callableType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: callableType2, | ||
| type2: callableType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: callableType1, | ||
| type2: callableType2, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType3, | ||
| type2: callableType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType3, | ||
| type2: callableType4, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType3, | ||
| type2: callableType5, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType5, | ||
| type2: callableType3, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: callableType6, | ||
| type2: callableType3, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType7, | ||
| type2: callableType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: callableType1, | ||
| type2: callableType7, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType8, | ||
| type2: callableType7, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType9, | ||
| type2: callableType7, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: callableType7, | ||
| type2: callableType9, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: callableType10, | ||
| type2: callableType7, | ||
| expected: false, | ||
| }, | ||
| // Callable type to class type | ||
| { | ||
| type1: callableType1, | ||
| type2: coreTypes.Any, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: callableType1, | ||
| type2: coreTypes.AnyOrNull, | ||
| expected: true, | ||
| }, | ||
| // Callable type to other | ||
| { | ||
| type1: callableType1, | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| // Class type to class type | ||
| { | ||
| type1: classType1, | ||
| type2: classType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: classType2, | ||
| type2: classType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: classType1, | ||
| type2: classType3, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: classType1, | ||
| type2: coreTypes.Any, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: classType2.updateNullability(true), | ||
| type2: classType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: classType2.updateNullability(true), | ||
| type2: classType1.updateNullability(true), | ||
| expected: true, | ||
| }, | ||
| // Class type to union type | ||
| { | ||
| type1: classType1, | ||
| type2: new UnionType(classType1), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: classType1, | ||
| type2: new UnionType(classType3), | ||
| expected: false, | ||
| }, | ||
| // Class type to other | ||
| { | ||
| type1: classType1, | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| // Enum type to class type | ||
| { | ||
| type1: enumType1, | ||
| type2: classType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumType1, | ||
| type2: coreTypes.Any, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumType1.updateNullability(true), | ||
| type2: coreTypes.Any, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumType1.updateNullability(true), | ||
| type2: coreTypes.AnyOrNull, | ||
| expected: true, | ||
| }, | ||
| // Enum type to enum type | ||
| { | ||
| type1: enumType1, | ||
| type2: enumType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumType1, | ||
| type2: enumType2, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumType1.updateNullability(true), | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumType1.updateNullability(true), | ||
| type2: enumType1.updateNullability(true), | ||
| expected: true, | ||
| }, | ||
| // Enum type to union type | ||
| { | ||
| type1: enumType1, | ||
| type2: new UnionType(enumType1), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumType1, | ||
| type2: new UnionType(enumType2), | ||
| expected: false, | ||
| }, | ||
| // Enum type to other | ||
| { | ||
| type1: enumType1, | ||
| type2: new LiteralType(), | ||
| expected: false, | ||
| }, | ||
| // Enum variant type to class type | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: classType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: coreTypes.Any, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumVariantType1.updateNullability(true), | ||
| type2: coreTypes.Any, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumVariantType1.updateNullability(true), | ||
| type2: coreTypes.AnyOrNull, | ||
| expected: true, | ||
| }, | ||
| // Enum variant type to enum type | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: enumType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: enumType2, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumVariantType1.updateNullability(true), | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumVariantType1.updateNullability(true), | ||
| type2: enumType1.updateNullability(true), | ||
| expected: true, | ||
| }, | ||
| // Enum variant type to enum variant type | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: enumVariantType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: enumVariantType2, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumVariantType1.updateNullability(true), | ||
| type2: enumVariantType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: enumVariantType1.updateNullability(true), | ||
| type2: enumVariantType1.updateNullability(true), | ||
| expected: true, | ||
| }, | ||
| // Enum variant type to union type | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: new UnionType(enumType1), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: new UnionType(enumType2), | ||
| expected: false, | ||
| }, | ||
| // Enum variant type to other | ||
| { | ||
| type1: enumVariantType1, | ||
| type2: new LiteralType(), | ||
| expected: false, | ||
| }, | ||
| // Literal type to class type | ||
| { | ||
| type1: new LiteralType(), | ||
| type2: classType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new BooleanConstant(true)), | ||
| type2: coreTypes.Boolean, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new FloatConstant(1.5)), | ||
| type2: coreTypes.Float, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n)), | ||
| type2: coreTypes.Int, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(NullConstant), | ||
| type2: coreTypes.NothingOrNull, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new StringConstant('')), | ||
| type2: coreTypes.String, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n)), | ||
| type2: coreTypes.Any, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n)), | ||
| type2: coreTypes.String, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n), NullConstant), | ||
| type2: coreTypes.Int.updateNullability(true), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n), NullConstant), | ||
| type2: coreTypes.Int, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n), new StringConstant('')), | ||
| type2: coreTypes.Int, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n), new StringConstant('')), | ||
| type2: coreTypes.String, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n), new StringConstant('')), | ||
| type2: coreTypes.Any, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n), new StringConstant(''), NullConstant), | ||
| type2: coreTypes.AnyOrNull, | ||
| expected: true, | ||
| }, | ||
| // Literal type to literal type | ||
| { | ||
| type1: new LiteralType(), | ||
| type2: new LiteralType(), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new BooleanConstant(true)), | ||
| type2: new LiteralType(new BooleanConstant(true)), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new BooleanConstant(true)), | ||
| type2: new LiteralType(new BooleanConstant(false)), | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new BooleanConstant(true)), | ||
| type2: new LiteralType(new FloatConstant(1.5)), | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new BooleanConstant(true), NullConstant), | ||
| type2: new LiteralType(new BooleanConstant(true), NullConstant), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new BooleanConstant(true), NullConstant), | ||
| type2: new LiteralType(new BooleanConstant(true)), | ||
| expected: false, | ||
| }, | ||
| // Literal type to union type | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n)), | ||
| type2: new UnionType(coreTypes.Any), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n)), | ||
| type2: new UnionType(coreTypes.String), | ||
| expected: false, | ||
| }, | ||
| // Literal type to other | ||
| { | ||
| type1: new LiteralType(new IntConstant(1n)), | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| // Named tuple type to named tuple type | ||
| { | ||
| type1: new NamedTupleType(), | ||
| type2: new NamedTupleType(), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Int)), | ||
| type2: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Int)), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new NamedTupleType(new NamedTupleEntry(class1, 'a', coreTypes.Int)), | ||
| type2: new NamedTupleType(new NamedTupleEntry(class2, 'a', coreTypes.Int)), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Int)), | ||
| type2: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Any)), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Any)), | ||
| type2: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Int)), | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new NamedTupleType(new NamedTupleEntry(undefined, 'a', coreTypes.Int)), | ||
| type2: new NamedTupleType(new NamedTupleEntry(undefined, 'b', coreTypes.Int)), | ||
| expected: false, | ||
| }, | ||
| // Named tuple type to other | ||
| { | ||
| type1: new NamedTupleType(), | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| // Static type to static type | ||
| { | ||
| type1: new StaticType(classType1), | ||
| type2: new StaticType(classType1), | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new StaticType(classType1), | ||
| type2: new StaticType(classType2), | ||
| expected: false, | ||
| }, | ||
| // Static type to other | ||
| { | ||
| type1: new StaticType(classType1), | ||
| type2: enumType1, | ||
| expected: false, | ||
| }, | ||
| // Union type to X | ||
| { | ||
| type1: new UnionType(), | ||
| type2: classType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new UnionType(classType1), | ||
| type2: classType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new UnionType(classType1, classType2), | ||
| type2: classType1, | ||
| expected: true, | ||
| }, | ||
| { | ||
| type1: new UnionType(classType1, classType3), | ||
| type2: classType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new UnionType(classType1.updateNullability(true)), | ||
| type2: classType1, | ||
| expected: false, | ||
| }, | ||
| { | ||
| type1: new UnionType(classType1.updateNullability(true)), | ||
| type2: classType1.updateNullability(true), | ||
| expected: true, | ||
| }, | ||
| // Unknown to X | ||
| { | ||
| type1: UnknownType, | ||
| type2: UnknownType, | ||
| expected: false, | ||
| }, | ||
| ]; | ||
|
|
||
| describe.each(testCases)('isAssignableTo', ({ type1, type2, expected }) => { | ||
| it(`should check whether ${type1} is assignable to ${type2}`, () => { | ||
| expect(typeChecker.isAssignableTo(type1, type2)).toBe(expected); | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| /** | ||
| * A test case for {@link SafeDsTypeChecker.isAssignableTo}. | ||
| */ | ||
| interface IsAssignableToTest { | ||
| /** | ||
| * The first type to check. | ||
| */ | ||
| type1: Type; | ||
|
|
||
| /** | ||
| * The second type to check. | ||
| */ | ||
| type2: Type; | ||
|
|
||
| /** | ||
| * Whether {@link type1} is expected to be assignable to {@link type2}. | ||
| */ | ||
| expected: boolean; | ||
| } |