| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import 'package:expect/expect.dart'; |
| import 'package:front_end/src/fasta/kernel/collections.dart'; |
| import 'package:front_end/src/fasta/kernel/forest.dart'; |
| import 'package:front_end/src/fasta/kernel/internal_ast.dart'; |
| import 'package:kernel/ast.dart'; |
| import 'text_representation_test.dart'; |
| |
| testStatement(Statement node, String normal, {String verbose, String limited}) { |
| Expect.stringEquals(normal, node.toText(normalStrategy), |
| "Unexpected normal strategy text for ${node.runtimeType}"); |
| Expect.stringEquals(verbose ?? normal, node.toText(verboseStrategy), |
| "Unexpected verbose strategy text for ${node.runtimeType}"); |
| Expect.stringEquals(limited ?? normal, node.toText(limitedStrategy), |
| "Unexpected limited strategy text for ${node.runtimeType}"); |
| } |
| |
| testExpression(Expression node, String normal, |
| {String verbose, String limited}) { |
| Expect.stringEquals(normal, node.toText(normalStrategy), |
| "Unexpected normal strategy text for ${node.runtimeType}"); |
| Expect.stringEquals(verbose ?? normal, node.toText(verboseStrategy), |
| "Unexpected verbose strategy text for ${node.runtimeType}"); |
| Expect.stringEquals(limited ?? normal, node.toText(limitedStrategy), |
| "Unexpected limited strategy text for ${node.runtimeType}"); |
| } |
| |
| final Uri dummyUri = Uri.parse('test:dummy'); |
| |
| main() { |
| _testVariableDeclarations(); |
| _testTryStatement(); |
| _testForInStatementWithSynthesizedVariable(); |
| _testSwitchCaseImpl(); |
| _testBreakStatementImpl(); |
| _testCascade(); |
| _testDeferredCheck(); |
| _testFactoryConstructorInvocationJudgment(); |
| _testFunctionDeclarationImpl(); |
| _testIfNullExpression(); |
| _testIntLiterals(); |
| _testExpressionInvocation(); |
| _testNamedFunctionExpressionJudgment(); |
| _testNullAwareMethodInvocation(); |
| _testNullAwarePropertyGet(); |
| _testNullAwarePropertySet(); |
| _testReturnStatementImpl(); |
| _testVariableDeclarationImpl(); |
| _testVariableGetImpl(); |
| _testLoadLibraryImpl(); |
| _testLoadLibraryTearOff(); |
| _testIfNullPropertySet(); |
| _testIfNullSet(); |
| _testCompoundExtensionSet(); |
| _testCompoundPropertySet(); |
| _testPropertyPostIncDec(); |
| _testLocalPostIncDec(); |
| _testStaticPostIncDec(); |
| _testSuperPostIncDec(); |
| _testIndexGet(); |
| _testIndexSet(); |
| _testSuperIndexSet(); |
| _testExtensionIndexSet(); |
| _testIfNullIndexSet(); |
| _testIfNullSuperIndexSet(); |
| _testIfNullExtensionIndexSet(); |
| _testCompoundIndexSet(); |
| _testNullAwareCompoundSet(); |
| _testNullAwareIfNullSet(); |
| _testCompoundSuperIndexSet(); |
| _testCompoundExtensionIndexSet(); |
| _testExtensionSet(); |
| _testNullAwareExtension(); |
| _testPropertySetImpl(); |
| _testExtensionTearOff(); |
| _testEqualsExpression(); |
| _testBinaryExpression(); |
| _testUnaryExpression(); |
| _testParenthesizedExpression(); |
| _testSpreadElement(); |
| _testIfElement(); |
| _testForElement(); |
| _testForInElement(); |
| _testSpreadMapEntry(); |
| _testIfMapEntry(); |
| _testForMapEntry(); |
| _testForInMapEntry(); |
| } |
| |
| void _testVariableDeclarations() { |
| testStatement( |
| const Forest().variablesDeclaration( |
| [new VariableDeclaration('a'), new VariableDeclaration('b')], |
| dummyUri), |
| ''' |
| dynamic a, b;'''); |
| testStatement( |
| const Forest().variablesDeclaration([ |
| new VariableDeclaration('a', type: const VoidType()), |
| new VariableDeclaration('b', initializer: new NullLiteral()) |
| ], dummyUri), |
| ''' |
| void a, b = null;'''); |
| } |
| |
| void _testTryStatement() { |
| Block emptyBlock1 = new Block([]); |
| Block emptyBlock2 = new Block([]); |
| Block returnBlock1 = new Block([new ReturnStatement()]); |
| Block returnBlock2 = new Block([new ReturnStatement()]); |
| Catch emptyCatchBlock = |
| new Catch(new VariableDeclaration('e'), new Block([])); |
| Catch emptyCatchBlockOnVoid = new Catch( |
| new VariableDeclaration('e'), new Block([]), |
| guard: const VoidType()); |
| Catch returnCatchBlock = new Catch( |
| new VariableDeclaration('e'), new Block([new ReturnStatement()])); |
| Catch returnCatchBlockOnVoid = new Catch( |
| new VariableDeclaration('e'), new Block([new ReturnStatement()]), |
| guard: const VoidType()); |
| |
| testStatement(new TryStatement(emptyBlock1, [], emptyBlock2), ''' |
| try {} finally {}'''); |
| |
| testStatement(new TryStatement(returnBlock1, [], returnBlock2), ''' |
| try { |
| return; |
| } finally { |
| return; |
| }''', limited: ''' |
| try { return; } finally { return; }'''); |
| |
| testStatement(new TryStatement(emptyBlock1, [emptyCatchBlock], null), ''' |
| try {} catch (e) {}'''); |
| |
| testStatement( |
| new TryStatement(emptyBlock1, [emptyCatchBlockOnVoid], null), ''' |
| try {} on void catch (e) {}'''); |
| |
| testStatement( |
| new TryStatement( |
| emptyBlock1, [emptyCatchBlockOnVoid, emptyCatchBlock], null), |
| ''' |
| try {} on void catch (e) {} catch (e) {}'''); |
| |
| testStatement( |
| new TryStatement( |
| emptyBlock1, [emptyCatchBlockOnVoid, emptyCatchBlock], emptyBlock2), |
| ''' |
| try {} on void catch (e) {} catch (e) {} finally {}'''); |
| |
| testStatement(new TryStatement(returnBlock1, [returnCatchBlock], null), ''' |
| try { |
| return; |
| } catch (e) { |
| return; |
| }''', limited: ''' |
| try { return; } catch (e) { return; }'''); |
| |
| testStatement( |
| new TryStatement(returnBlock1, [returnCatchBlockOnVoid], null), ''' |
| try { |
| return; |
| } on void catch (e) { |
| return; |
| }''', |
| limited: ''' |
| try { return; } on void catch (e) { return; }'''); |
| |
| testStatement( |
| new TryStatement( |
| returnBlock1, [returnCatchBlockOnVoid, returnCatchBlock], null), |
| ''' |
| try { |
| return; |
| } on void catch (e) { |
| return; |
| } catch (e) { |
| return; |
| }''', |
| limited: ''' |
| try { return; } on void catch (e) { return; } catch (e) { return; }'''); |
| |
| testStatement( |
| new TryStatement(returnBlock1, [returnCatchBlockOnVoid, returnCatchBlock], |
| returnBlock2), |
| ''' |
| try { |
| return; |
| } on void catch (e) { |
| return; |
| } catch (e) { |
| return; |
| } finally { |
| return; |
| }''', |
| limited: ''' |
| try { return; } on void catch (e) { return; } catch (e) { return; } finally { return; }'''); |
| } |
| |
| void _testForInStatementWithSynthesizedVariable() { |
| // TODO(johnniwinther): Test ForInStatementWithSynthesizedVariable |
| } |
| |
| void _testSwitchCaseImpl() { |
| Expression expression = new NullLiteral(); |
| Expression case0 = new IntLiteral(0); |
| Expression case1 = new IntLiteral(1); |
| Expression case2 = new IntLiteral(2); |
| Block emptyBlock = new Block([]); |
| Block returnBlock1 = new Block([new ReturnStatement()]); |
| Block returnBlock2 = new Block([new ReturnStatement()]); |
| |
| testStatement( |
| new SwitchStatement(expression, [ |
| new SwitchCaseImpl([case0], [0], emptyBlock, hasLabel: false) |
| ]), |
| ''' |
| switch (null) { |
| case 0: |
| }''', |
| limited: ''' |
| switch (null) { case 0: }'''); |
| |
| testStatement( |
| new SwitchStatement(expression, [ |
| new SwitchCaseImpl([], [0], emptyBlock, |
| hasLabel: false, isDefault: true) |
| ]), |
| ''' |
| switch (null) { |
| default: |
| }''', |
| limited: ''' |
| switch (null) { default: }'''); |
| |
| testStatement( |
| new SwitchStatement(expression, [ |
| new SwitchCaseImpl([case0, case1], [0, 1], returnBlock1, |
| hasLabel: false), |
| new SwitchCaseImpl([case2], [0], returnBlock2, |
| hasLabel: true, isDefault: true) |
| ]), |
| ''' |
| switch (null) { |
| case 0: |
| case 1: |
| return; |
| case 2: |
| default: |
| return; |
| }''', |
| limited: ''' |
| switch (null) { case 0: case 1: return; case 2: default: return; }'''); |
| } |
| |
| void _testBreakStatementImpl() { |
| WhileStatement whileStatement = |
| new WhileStatement(new BoolLiteral(true), new Block([])); |
| LabeledStatement labeledStatement = new LabeledStatement(whileStatement); |
| testStatement( |
| new BreakStatementImpl(isContinue: false) |
| ..target = labeledStatement |
| ..targetStatement = whileStatement, |
| ''' |
| break label0;'''); |
| testStatement( |
| new BreakStatementImpl(isContinue: true) |
| ..target = labeledStatement |
| ..targetStatement = whileStatement, |
| ''' |
| continue label0;'''); |
| } |
| |
| void _testCascade() { |
| VariableDeclaration variable = |
| new VariableDeclaration.forValue(new IntLiteral(0)); |
| Cascade cascade = new Cascade(variable, isNullAware: false); |
| testExpression(cascade, ''' |
| let final dynamic #0 = 0 in cascade {} => #0'''); |
| |
| cascade.addCascadeExpression(new PropertySet( |
| new VariableGet(variable), new Name('foo'), new IntLiteral(1))); |
| testExpression(cascade, ''' |
| let final dynamic #0 = 0 in cascade { |
| #0.foo = 1; |
| } => #0''', limited: ''' |
| let final dynamic #0 = 0 in cascade { #0.foo = 1; } => #0'''); |
| |
| cascade.addCascadeExpression(new PropertySet( |
| new VariableGet(variable), new Name('bar'), new IntLiteral(2))); |
| testExpression(cascade, ''' |
| let final dynamic #0 = 0 in cascade { |
| #0.foo = 1; |
| #0.bar = 2; |
| } => #0''', limited: ''' |
| let final dynamic #0 = 0 in cascade { #0.foo = 1; #0.bar = 2; } => #0'''); |
| } |
| |
| void _testDeferredCheck() { |
| Library library = new Library(dummyUri, fileUri: dummyUri); |
| LibraryDependency dependency = |
| LibraryDependency.deferredImport(library, 'pre'); |
| VariableDeclaration check = |
| new VariableDeclaration.forValue(new CheckLibraryIsLoaded(dependency)); |
| testExpression(new DeferredCheck(check, new IntLiteral(0)), ''' |
| let final dynamic #0 = pre.checkLibraryIsLoaded() in 0'''); |
| } |
| |
| void _testFactoryConstructorInvocationJudgment() { |
| Library library = new Library(dummyUri, fileUri: dummyUri); |
| Class cls = new Class(name: 'Class', fileUri: dummyUri); |
| library.addClass(cls); |
| Procedure factoryConstructor = new Procedure( |
| new Name(''), ProcedureKind.Factory, new FunctionNode(null), |
| fileUri: dummyUri); |
| cls.addProcedure(factoryConstructor); |
| |
| testExpression( |
| new FactoryConstructorInvocationJudgment( |
| factoryConstructor, new ArgumentsImpl([])), |
| ''' |
| new Class()''', |
| verbose: ''' |
| new library test:dummy::Class()'''); |
| |
| testExpression( |
| new FactoryConstructorInvocationJudgment( |
| factoryConstructor, |
| new ArgumentsImpl([new IntLiteral(0)], |
| types: [const VoidType()], |
| named: [new NamedExpression('bar', new IntLiteral(1))])), |
| ''' |
| new Class<void>(0, bar: 1)''', |
| verbose: ''' |
| new library test:dummy::Class<void>(0, bar: 1)'''); |
| |
| factoryConstructor.name = new Name('foo'); |
| testExpression( |
| new FactoryConstructorInvocationJudgment( |
| factoryConstructor, |
| new ArgumentsImpl([new IntLiteral(0)], |
| types: [const VoidType()], |
| named: [new NamedExpression('bar', new IntLiteral(1))])), |
| ''' |
| new Class<void>.foo(0, bar: 1)''', |
| verbose: ''' |
| new library test:dummy::Class<void>.foo(0, bar: 1)'''); |
| } |
| |
| void _testFunctionDeclarationImpl() { |
| testStatement( |
| new FunctionDeclarationImpl(new VariableDeclarationImpl('foo', 0), |
| new FunctionNode(new Block([]))), |
| ''' |
| dynamic foo() {}'''); |
| } |
| |
| void _testIfNullExpression() { |
| testExpression(new IfNullExpression(new IntLiteral(0), new IntLiteral(1)), ''' |
| 0 ?? 1'''); |
| } |
| |
| void _testIntLiterals() { |
| testExpression(new IntJudgment(0, null), '0'); |
| testExpression(new IntJudgment(0, 'foo'), 'foo'); |
| testExpression(new ShadowLargeIntLiteral('bar', TreeNode.noOffset), 'bar'); |
| } |
| |
| void _testExpressionInvocation() { |
| testExpression( |
| new ExpressionInvocation(new IntLiteral(0), new ArgumentsImpl([])), ''' |
| 0()'''); |
| testExpression( |
| new ExpressionInvocation( |
| new IntLiteral(0), |
| new ArgumentsImpl([ |
| new IntLiteral(1) |
| ], types: [ |
| const VoidType(), |
| const DynamicType() |
| ], named: [ |
| new NamedExpression('foo', new IntLiteral(2)), |
| new NamedExpression('bar', new IntLiteral(3)) |
| ])), |
| ''' |
| 0<void, dynamic>(1, foo: 2, bar: 3)'''); |
| } |
| |
| void _testNamedFunctionExpressionJudgment() { |
| testExpression( |
| new NamedFunctionExpressionJudgment(new VariableDeclarationImpl('foo', 0, |
| initializer: |
| new FunctionExpression(new FunctionNode(new Block([]))))), |
| ''' |
| let dynamic foo = dynamic () {} in foo'''); |
| } |
| |
| void _testNullAwareMethodInvocation() { |
| VariableDeclaration variable = |
| new VariableDeclaration.forValue(new IntLiteral(0)); |
| |
| // The usual use of this node. |
| testExpression( |
| new NullAwareMethodInvocation( |
| variable, |
| new MethodInvocation(new VariableGet(variable), new Name('foo'), |
| new ArgumentsImpl([]))), |
| ''' |
| 0?.foo()'''); |
| |
| // An unusual use of this node. |
| testExpression( |
| new NullAwareMethodInvocation(variable, |
| new PropertyGet(new VariableGet(variable), new Name('foo'))), |
| ''' |
| let final dynamic #0 = 0 in null-aware #0.foo'''); |
| } |
| |
| void _testNullAwarePropertyGet() { |
| VariableDeclaration variable = |
| new VariableDeclaration.forValue(new IntLiteral(0)); |
| |
| // The usual use of this node. |
| testExpression( |
| new NullAwarePropertyGet(variable, |
| new PropertyGet(new VariableGet(variable), new Name('foo'))), |
| ''' |
| 0?.foo'''); |
| |
| // An unusual use of this node. |
| testExpression( |
| new NullAwarePropertyGet( |
| variable, |
| new MethodInvocation(new VariableGet(variable), new Name('foo'), |
| new ArgumentsImpl([]))), |
| ''' |
| let final dynamic #0 = 0 in null-aware #0.foo()'''); |
| } |
| |
| void _testNullAwarePropertySet() { |
| VariableDeclaration variable = |
| new VariableDeclaration.forValue(new IntLiteral(0)); |
| |
| testExpression( |
| new NullAwarePropertySet( |
| variable, |
| new PropertySet( |
| new VariableGet(variable), new Name('foo'), new IntLiteral(1))), |
| ''' |
| 0?.foo = 1'''); |
| |
| testExpression( |
| new NullAwarePropertySet( |
| variable, |
| new MethodInvocation(new VariableGet(variable), new Name('foo'), |
| new ArgumentsImpl([]))), |
| ''' |
| let final dynamic #0 = 0 in null-aware #0.foo()'''); |
| } |
| |
| void _testReturnStatementImpl() { |
| testStatement(new ReturnStatementImpl(false), ''' |
| return;'''); |
| testStatement(new ReturnStatementImpl(true), ''' |
| =>;'''); |
| testStatement(new ReturnStatementImpl(false, new IntLiteral(0)), ''' |
| return 0;'''); |
| testStatement(new ReturnStatementImpl(true, new IntLiteral(0)), ''' |
| => 0;'''); |
| } |
| |
| void _testVariableDeclarationImpl() { |
| testStatement(new VariableDeclarationImpl('foo', 0), ''' |
| dynamic foo;'''); |
| testStatement( |
| new VariableDeclarationImpl('foo', 0, initializer: new IntLiteral(0)), ''' |
| dynamic foo = 0;'''); |
| testStatement( |
| new VariableDeclarationImpl('foo', 0, |
| type: const VoidType(), |
| initializer: new IntLiteral(0), |
| isFinal: true, |
| isRequired: true), |
| ''' |
| required final void foo;'''); |
| testStatement( |
| new VariableDeclarationImpl('foo', 0, |
| type: const VoidType(), initializer: new IntLiteral(0), isLate: true), |
| ''' |
| late void foo = 0;'''); |
| testStatement( |
| new VariableDeclarationImpl('foo', 0, |
| type: const VoidType(), initializer: new IntLiteral(0)) |
| ..lateGetter = new VariableDeclarationImpl('foo#getter', 0), |
| ''' |
| late void foo = 0;'''); |
| testStatement( |
| new VariableDeclarationImpl('foo', 0, |
| type: const VoidType(), initializer: new IntLiteral(0)) |
| ..lateGetter = new VariableDeclarationImpl('foo#getter', 0) |
| ..lateType = const DynamicType(), |
| ''' |
| late dynamic foo = 0;'''); |
| } |
| |
| void _testVariableGetImpl() { |
| VariableDeclaration variable = new VariableDeclaration('foo'); |
| testExpression(new VariableGetImpl(variable, forNullGuardedAccess: false), ''' |
| foo'''); |
| testExpression(new VariableGetImpl(variable, forNullGuardedAccess: true), ''' |
| foo'''); |
| testExpression( |
| new VariableGetImpl(variable, forNullGuardedAccess: false) |
| ..promotedType = const VoidType(), |
| ''' |
| foo{void}'''); |
| } |
| |
| void _testLoadLibraryImpl() { |
| Library library = new Library(dummyUri, fileUri: dummyUri); |
| LibraryDependency dependency = |
| LibraryDependency.deferredImport(library, 'pre'); |
| testExpression(new LoadLibraryImpl(dependency, new ArgumentsImpl([])), ''' |
| pre.loadLibrary()'''); |
| testExpression( |
| new LoadLibraryImpl(dependency, new ArgumentsImpl([new IntLiteral(0)])), |
| ''' |
| pre.loadLibrary(0)'''); |
| } |
| |
| void _testLoadLibraryTearOff() { |
| Library library = new Library(dummyUri, fileUri: dummyUri); |
| LibraryDependency dependency = |
| LibraryDependency.deferredImport(library, 'pre'); |
| |
| testExpression(new LoadLibraryTearOff(dependency, null), ''' |
| pre.loadLibrary'''); |
| |
| Procedure procedure = new Procedure(new Name('get#loadLibrary'), |
| ProcedureKind.Getter, new FunctionNode(new Block([])), |
| fileUri: dummyUri); |
| testExpression(new LoadLibraryTearOff(dependency, procedure), ''' |
| pre.loadLibrary'''); |
| } |
| |
| void _testIfNullPropertySet() { |
| testExpression( |
| new IfNullPropertySet( |
| new IntLiteral(0), new Name('foo'), new IntLiteral(1), |
| forEffect: false), |
| '0.foo ??= 1'); |
| |
| testExpression( |
| new IfNullPropertySet( |
| new IntLiteral(0), new Name('foo'), new IntLiteral(1), |
| forEffect: true), |
| '0.foo ??= 1'); |
| } |
| |
| void _testIfNullSet() { |
| VariableDeclaration variable = new VariableDeclaration('foo'); |
| testExpression( |
| new IfNullSet(new VariableGet(variable), |
| new VariableSet(variable, new IntLiteral(1)), |
| forEffect: false), |
| ''' |
| foo ?? foo = 1'''); |
| |
| testExpression( |
| new IfNullSet(new VariableGet(variable), |
| new VariableSet(variable, new IntLiteral(1)), |
| forEffect: true), |
| ''' |
| foo ?? foo = 1'''); |
| } |
| |
| void _testCompoundExtensionSet() {} |
| |
| void _testCompoundPropertySet() { |
| testExpression( |
| new CompoundPropertySet( |
| new IntLiteral(0), new Name('foo'), new Name('+'), new IntLiteral(1), |
| readOffset: TreeNode.noOffset, |
| binaryOffset: TreeNode.noOffset, |
| writeOffset: TreeNode.noOffset, |
| forEffect: false), |
| ''' |
| 0.foo += 1'''); |
| } |
| |
| void _testPropertyPostIncDec() {} |
| |
| void _testLocalPostIncDec() {} |
| |
| void _testStaticPostIncDec() {} |
| |
| void _testSuperPostIncDec() {} |
| |
| void _testIndexGet() {} |
| |
| void _testIndexSet() {} |
| |
| void _testSuperIndexSet() {} |
| |
| void _testExtensionIndexSet() { |
| Library library = new Library(dummyUri, fileUri: dummyUri); |
| Extension extension = new Extension( |
| name: 'Extension', |
| typeParameters: [new TypeParameter('T')], |
| fileUri: dummyUri); |
| library.addExtension(extension); |
| Procedure setter = new Procedure( |
| new Name(''), ProcedureKind.Method, new FunctionNode(null), |
| fileUri: dummyUri); |
| library.addProcedure(setter); |
| |
| testExpression( |
| new ExtensionIndexSet(extension, null, new IntLiteral(0), setter, |
| new IntLiteral(1), new IntLiteral(2)), |
| ''' |
| Extension(0)[1] = 2'''); |
| |
| testExpression( |
| new ExtensionIndexSet(extension, [const VoidType()], new IntLiteral(0), |
| setter, new IntLiteral(1), new IntLiteral(2)), |
| ''' |
| Extension<void>(0)[1] = 2'''); |
| } |
| |
| void _testIfNullIndexSet() {} |
| |
| void _testIfNullSuperIndexSet() {} |
| |
| void _testIfNullExtensionIndexSet() {} |
| |
| void _testCompoundIndexSet() { |
| testExpression( |
| new CompoundIndexSet(new IntLiteral(0), new IntLiteral(1), new Name('+'), |
| new IntLiteral(2), |
| forEffect: false, forPostIncDec: false), |
| ''' |
| 0[1] += 2'''); |
| testExpression( |
| new CompoundIndexSet(new IntLiteral(0), new IntLiteral(1), new Name('+'), |
| new IntLiteral(1), |
| forEffect: false, forPostIncDec: true), |
| ''' |
| 0[1]++'''); |
| testExpression( |
| new CompoundIndexSet(new IntLiteral(0), new IntLiteral(1), new Name('-'), |
| new IntLiteral(1), |
| forEffect: false, forPostIncDec: true), |
| ''' |
| 0[1]--'''); |
| testExpression( |
| new CompoundIndexSet(new IntLiteral(0), new IntLiteral(1), new Name('*'), |
| new IntLiteral(1), |
| forEffect: false, forPostIncDec: true), |
| ''' |
| 0[1] *= 1'''); |
| testExpression( |
| new CompoundIndexSet(new IntLiteral(0), new IntLiteral(1), new Name('+'), |
| new IntLiteral(2), |
| forEffect: false, forPostIncDec: true), |
| ''' |
| 0[1] += 2'''); |
| } |
| |
| void _testNullAwareCompoundSet() { |
| testExpression( |
| new NullAwareCompoundSet( |
| new IntLiteral(0), new Name('foo'), new Name('+'), new IntLiteral(1), |
| readOffset: TreeNode.noOffset, |
| binaryOffset: TreeNode.noOffset, |
| writeOffset: TreeNode.noOffset, |
| forPostIncDec: false, |
| forEffect: false), |
| ''' |
| 0?.foo += 1'''); |
| testExpression( |
| new NullAwareCompoundSet( |
| new IntLiteral(0), new Name('foo'), new Name('+'), new IntLiteral(1), |
| readOffset: TreeNode.noOffset, |
| binaryOffset: TreeNode.noOffset, |
| writeOffset: TreeNode.noOffset, |
| forPostIncDec: true, |
| forEffect: false), |
| ''' |
| 0?.foo++'''); |
| } |
| |
| void _testNullAwareIfNullSet() { |
| testExpression( |
| new NullAwareIfNullSet( |
| new IntLiteral(0), new Name('foo'), new IntLiteral(1), |
| readOffset: TreeNode.noOffset, |
| testOffset: TreeNode.noOffset, |
| writeOffset: TreeNode.noOffset, |
| forEffect: false), |
| ''' |
| 0?.foo ??= 1'''); |
| } |
| |
| void _testCompoundSuperIndexSet() {} |
| |
| void _testCompoundExtensionIndexSet() {} |
| |
| void _testExtensionSet() {} |
| |
| void _testNullAwareExtension() {} |
| |
| void _testPropertySetImpl() {} |
| |
| void _testExtensionTearOff() {} |
| |
| void _testEqualsExpression() { |
| testExpression( |
| new EqualsExpression(new IntLiteral(0), new IntLiteral(1), isNot: false), |
| ''' |
| 0 == 1'''); |
| testExpression( |
| new EqualsExpression(new IntLiteral(0), new IntLiteral(1), isNot: true), |
| ''' |
| 0 != 1'''); |
| } |
| |
| void _testBinaryExpression() { |
| testExpression( |
| new BinaryExpression(new IntLiteral(0), new Name('+'), new IntLiteral(1)), |
| ''' |
| 0 + 1'''); |
| testExpression( |
| new BinaryExpression( |
| new BinaryExpression( |
| new IntLiteral(0), new Name('-'), new IntLiteral(1)), |
| new Name('+'), |
| new BinaryExpression( |
| new IntLiteral(2), new Name('-'), new IntLiteral(3))), |
| ''' |
| 0 - 1 + 2 - 3'''); |
| testExpression( |
| new BinaryExpression( |
| new BinaryExpression( |
| new IntLiteral(0), new Name('*'), new IntLiteral(1)), |
| new Name('+'), |
| new BinaryExpression( |
| new IntLiteral(2), new Name('/'), new IntLiteral(3))), |
| ''' |
| 0 * 1 + 2 / 3'''); |
| testExpression( |
| new BinaryExpression( |
| new BinaryExpression( |
| new IntLiteral(0), new Name('+'), new IntLiteral(1)), |
| new Name('*'), |
| new BinaryExpression( |
| new IntLiteral(2), new Name('-'), new IntLiteral(3))), |
| ''' |
| (0 + 1) * (2 - 3)'''); |
| } |
| |
| void _testUnaryExpression() { |
| testExpression(new UnaryExpression(new Name('unary-'), new IntLiteral(0)), ''' |
| -0'''); |
| testExpression(new UnaryExpression(new Name('~'), new IntLiteral(0)), ''' |
| ~0'''); |
| |
| testExpression( |
| new UnaryExpression( |
| new Name('unary-'), |
| new BinaryExpression( |
| new IntLiteral(0), new Name('+'), new IntLiteral(1))), |
| ''' |
| -(0 + 1)'''); |
| } |
| |
| void _testParenthesizedExpression() { |
| testExpression(new ParenthesizedExpression(new IntLiteral(0)), ''' |
| (0)'''); |
| } |
| |
| void _testSpreadElement() { |
| testExpression(new SpreadElement(new IntLiteral(0), false), ''' |
| ...0'''); |
| testExpression(new SpreadElement(new IntLiteral(0), true), ''' |
| ...?0'''); |
| } |
| |
| void _testIfElement() { |
| testExpression(new IfElement(new IntLiteral(0), new IntLiteral(1), null), ''' |
| if (0) 1'''); |
| testExpression( |
| new IfElement(new IntLiteral(0), new IntLiteral(1), new IntLiteral(2)), |
| ''' |
| if (0) 1 else 2'''); |
| } |
| |
| void _testForElement() {} |
| |
| void _testForInElement() {} |
| |
| void _testSpreadMapEntry() {} |
| |
| void _testIfMapEntry() {} |
| |
| void _testForMapEntry() {} |
| |
| void _testForInMapEntry() {} |