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dart/sdk/e5e85af5a1141ed11fe2a94de6502ebbcd66ae69/./pkg/analyzer/test/generated/simple_parser_test.dart
blob: 9cc6491f6cca9c28d7ab3ca477d758d511341835 [file]
// 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.
/// @docImport 'complex_parser_test.dart';
library;
import 'package:test_reflective_loader/test_reflective_loader.dart';
import '../src/dart/resolution/node_text_expectations.dart';
import '../src/diagnostics/parser_diagnostics.dart';
main() {
defineReflectiveSuite(() {
defineReflectiveTests(SimpleParserTest);
defineReflectiveTests(UpdateNodeTextExpectations);
});
}
/// Parser tests that test individual parsing methods. The code fragments should
/// be as minimal as possible in order to test the method, but should not test
/// the interactions between the method under test and other methods.
///
/// More complex tests should be defined in the class [ComplexParserTest].
@reflectiveTest
class SimpleParserTest extends ParserDiagnosticsTest {
void test_classDeclaration_complexTypeParam() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<@Foo.bar(const [], const [1], const {"": r""}, 0xFF + 2, .3, 4.5) T> {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
metadata
Annotation
atSign: @
expression: ConstructorInvocation
constructorReference: ConstructorReference2
typeReference: ConstructorTypeReference
importPrefix: ImportPrefixReference
name: Foo
period: .
name: bar
argumentList: ArgumentList
leftParenthesis: (
arguments2
ListLiteral
constKeyword: const
leftBracket: [
rightBracket: ]
ListLiteral
constKeyword: const
leftBracket: [
elements2
IntegerLiteral
literal: 1
rightBracket: ]
SetOrMapLiteral
constKeyword: const
leftBracket: {
elements2
MapLiteralEntry
key2: SimpleStringLiteral
literal: ""
separator: :
value2: SimpleStringLiteral
literal: r""
rightBracket: }
isMap: false
BinaryOperatorInvocation
leftOperand: IntegerLiteral
literal: 0xFF
operator: +
rightOperand: IntegerLiteral
literal: 2
binaryOperator: add
DoubleLiteral
literal: .3
DoubleLiteral
literal: 4.5
arguments(v1)
ListLiteral
constKeyword: const
leftBracket: [
rightBracket: ]
ListLiteral
constKeyword: const
leftBracket: [
elements
IntegerLiteral
literal: 1
rightBracket: ]
SetOrMapLiteral
constKeyword: const
leftBracket: {
elements
MapLiteralEntry
key: SimpleStringLiteral
literal: ""
separator: :
value: SimpleStringLiteral
literal: r""
rightBracket: }
isMap: false
BinaryExpression
leftOperand: IntegerLiteral
literal: 0xFF
operator: +
rightOperand: IntegerLiteral
literal: 2
DoubleLiteral
literal: .3
DoubleLiteral
literal: 4.5
rightParenthesis: )
name: PrefixedIdentifier
prefix: SimpleIdentifier
token: Foo
period: .
identifier: SimpleIdentifier
token: bar
arguments: ArgumentList
leftParenthesis: (
arguments
ListLiteral
constKeyword: const
leftBracket: [
rightBracket: ]
ListLiteral
constKeyword: const
leftBracket: [
elements
IntegerLiteral
literal: 1
rightBracket: ]
SetOrMapLiteral
constKeyword: const
leftBracket: {
elements
MapLiteralEntry
key: SimpleStringLiteral
literal: ""
separator: :
value: SimpleStringLiteral
literal: r""
rightBracket: }
isMap: false
BinaryExpression
leftOperand: IntegerLiteral
literal: 0xFF
operator: +
rightOperand: IntegerLiteral
literal: 2
DoubleLiteral
literal: .3
DoubleLiteral
literal: 4.5
rightParenthesis: )
name: T
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_classDeclaration_invalid_super() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C {
C() : super.const();
// ^^^^^
// [diag.invalidSuperInInitializer] Can only use 'super' in an initializer for calling the superclass constructor (e.g. 'super()' or 'super.namedConstructor()')
// ^^^^^
// [diag.expectedIdentifierButGotKeyword] 'const' can't be used as an identifier because it's a keyword.
// [diag.missingIdentifier] Expected an identifier.
}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
members
ConstructorDeclaration
typeName2: C
typeName(v1): SimpleIdentifier
token: C
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
separator: :
initializers
SuperConstructorInvocation
superKeyword: super
argumentList: ArgumentList
leftParenthesis: ( <synthetic>
rightParenthesis: ) <synthetic>
body: EmptyFunctionBody
semicolon: ;
rightBracket: }
''');
}
void test_classDeclaration_invalid_this() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C {
C() : this.const();
// ^^^^
// [diag.missingAssignmentInInitializer] Expected an assignment after the field name.
// ^^^^^
// [diag.missingIdentifier] Expected an identifier.
// [diag.missingFunctionBody] A function body must be provided.
// [diag.constMethod] Getters, setters and methods can't be declared to be 'const'.
// ^
// [diag.missingIdentifier] Expected an identifier.
}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
members
ConstructorDeclaration
typeName2: C
typeName(v1): SimpleIdentifier
token: C
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
separator: :
initializers
ConstructorFieldInitializer
fieldName2: <empty> <synthetic>
fieldName(v1): SimpleIdentifier
token: <empty> <synthetic>
equals: = <synthetic>
expression2: ReceiverPropertyExtraction
receiver: ThisExpression
thisKeyword: this
operator: .
name: <empty> <synthetic>
expression(v1): PropertyAccess
target: ThisExpression
thisKeyword: this
operator: .
propertyName: SimpleIdentifier
token: <empty> <synthetic>
body: BlockFunctionBody
block: Block
leftBracket: { <synthetic>
rightBracket: } <synthetic>
MethodDeclaration
name: <empty> <synthetic>
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: EmptyFunctionBody
semicolon: ;
rightBracket: }
''');
}
void test_method_name_notNull_37733() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C {
f(<T>());
// ^
// [diag.missingIdentifier] Expected an identifier.
}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
members
MethodDeclaration
name: f
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
name: <empty> <synthetic>
functionTypedSuffix: FunctionTypedFormalParameterSuffix
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: T
rightBracket: >
formalParameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: <empty> <synthetic>
functionTypedSuffix: FunctionTypedFormalParameterSuffix
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: T
rightBracket: >
formalParameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
rightParenthesis: )
body: EmptyFunctionBody
semicolon: ;
rightBracket: }
''');
}
void test_parseAnnotation_n1() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A
class C {}
''');
var node = parseResult.findNode.singleAnnotation;
assertParsedNodeText(node, r'''
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
''');
}
void test_parseAnnotation_n1_a() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A(x, y)
class C {}
''');
var node = parseResult.findNode.singleAnnotation;
assertParsedNodeText(node, r'''
Annotation
atSign: @
expression: ConstructorInvocation
constructorReference: ConstructorReference2
typeReference: ConstructorTypeReference
name: A
argumentList: ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: x
ParsedUnqualifiedName
name: y
arguments(v1)
SimpleIdentifier
token: x
SimpleIdentifier
token: y
rightParenthesis: )
name: SimpleIdentifier
token: A
arguments: ArgumentList
leftParenthesis: (
arguments
SimpleIdentifier
token: x
SimpleIdentifier
token: y
rightParenthesis: )
''');
}
void test_parseAnnotation_n2() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A.B
class C {}
''');
var node = parseResult.findNode.singleAnnotation;
assertParsedNodeText(node, r'''
Annotation
atSign: @
expression: ParsedNameAccess
operand: ParsedUnqualifiedName
name: A
operator: .
name: B
name: PrefixedIdentifier
prefix: SimpleIdentifier
token: A
period: .
identifier: SimpleIdentifier
token: B
''');
}
void test_parseAnnotation_n2_a() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A.B(x, y)
class C {}
''');
var node = parseResult.findNode.singleAnnotation;
assertParsedNodeText(node, r'''
Annotation
atSign: @
expression: ConstructorInvocation
constructorReference: ConstructorReference2
typeReference: ConstructorTypeReference
importPrefix: ImportPrefixReference
name: A
period: .
name: B
argumentList: ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: x
ParsedUnqualifiedName
name: y
arguments(v1)
SimpleIdentifier
token: x
SimpleIdentifier
token: y
rightParenthesis: )
name: PrefixedIdentifier
prefix: SimpleIdentifier
token: A
period: .
identifier: SimpleIdentifier
token: B
arguments: ArgumentList
leftParenthesis: (
arguments
SimpleIdentifier
token: x
SimpleIdentifier
token: y
rightParenthesis: )
''');
}
void test_parseAnnotation_n3() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A.B.C
class C {}
''');
var node = parseResult.findNode.singleAnnotation;
assertParsedNodeText(node, r'''
Annotation
atSign: @
expression: ParsedNameAccess
operand: ParsedNameAccess
operand: ParsedUnqualifiedName
name: A
operator: .
name: B
operator: .
name: C
name: PrefixedIdentifier
prefix: SimpleIdentifier
token: A
period: .
identifier: SimpleIdentifier
token: B
period: .
constructorName: SimpleIdentifier
token: C
''');
}
void test_parseAnnotation_n3_a() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A.B.C(x, y)
class C {}
''');
var node = parseResult.findNode.singleAnnotation;
assertParsedNodeText(node, r'''
Annotation
atSign: @
expression: ConstructorInvocation
constructorReference: ConstructorReference2
typeReference: ConstructorTypeReference
importPrefix: ImportPrefixReference
name: A
period: .
name: B
selector: ConstructorSelector
period: .
name2: C
argumentList: ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: x
ParsedUnqualifiedName
name: y
arguments(v1)
SimpleIdentifier
token: x
SimpleIdentifier
token: y
rightParenthesis: )
name: PrefixedIdentifier
prefix: SimpleIdentifier
token: A
period: .
identifier: SimpleIdentifier
token: B
period: .
constructorName: SimpleIdentifier
token: C
arguments: ArgumentList
leftParenthesis: (
arguments
SimpleIdentifier
token: x
SimpleIdentifier
token: y
rightParenthesis: )
''');
}
test_parseArgument() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(3);
''');
var node = parseResult.findNode.singleArgumentList.arguments2[0];
assertParsedNodeText(node, r'''
IntegerLiteral
literal: 3
''');
}
test_parseArgument_named() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(foo: "a");
''');
var node = parseResult.findNode.singleArgumentList.arguments2[0];
assertParsedNodeText(node, r'''
NamedArgument
name: foo
colon: :
argumentExpression2: SimpleStringLiteral
literal: "a"
''');
}
void test_parseArgumentList_empty() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m();
''');
var node = parseResult.findNode.argumentList('(');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
rightParenthesis: )
''');
}
void test_parseArgumentList_mixed() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(w, x, y: y, z: z);
''');
var node = parseResult.findNode.argumentList('(');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: w
ParsedUnqualifiedName
name: x
NamedArgument
name: y
colon: :
argumentExpression2: ParsedUnqualifiedName
name: y
argumentExpression(v1): SimpleIdentifier
token: y
NamedArgument
name: z
colon: :
argumentExpression2: ParsedUnqualifiedName
name: z
argumentExpression(v1): SimpleIdentifier
token: z
arguments(v1)
SimpleIdentifier
token: w
SimpleIdentifier
token: x
NamedArgument
name: y
colon: :
argumentExpression: SimpleIdentifier
token: y
NamedArgument
name: z
colon: :
argumentExpression: SimpleIdentifier
token: z
rightParenthesis: )
''');
}
void test_parseArgumentList_noNamed() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(x, y, z);
''');
var node = parseResult.findNode.argumentList('(');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: x
ParsedUnqualifiedName
name: y
ParsedUnqualifiedName
name: z
arguments(v1)
SimpleIdentifier
token: x
SimpleIdentifier
token: y
SimpleIdentifier
token: z
rightParenthesis: )
''');
}
void test_parseArgumentList_onlyNamed() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(x: x, y: y);
''');
var node = parseResult.findNode.argumentList('(');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
NamedArgument
name: x
colon: :
argumentExpression2: ParsedUnqualifiedName
name: x
argumentExpression(v1): SimpleIdentifier
token: x
NamedArgument
name: y
colon: :
argumentExpression2: ParsedUnqualifiedName
name: y
argumentExpression(v1): SimpleIdentifier
token: y
rightParenthesis: )
''');
}
void test_parseArgumentList_trailing_comma() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(x, y, z);
''');
var node = parseResult.findNode.argumentList('(');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: x
ParsedUnqualifiedName
name: y
ParsedUnqualifiedName
name: z
arguments(v1)
SimpleIdentifier
token: x
SimpleIdentifier
token: y
SimpleIdentifier
token: z
rightParenthesis: )
''');
}
void test_parseArgumentList_typeArguments() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(a<b, c>(d));
''');
var node = parseResult.findNode.argumentList('(a');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
ParsedValueArguments
operand: ParsedTypeArguments
operand: ParsedUnqualifiedName
name: a
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: b
NamedType
name: c
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: d
arguments(v1)
SimpleIdentifier
token: d
rightParenthesis: )
arguments(v1)
MethodInvocation
methodName: SimpleIdentifier
token: a
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: b
NamedType
name: c
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments
SimpleIdentifier
token: d
rightParenthesis: )
rightParenthesis: )
''');
}
void test_parseArgumentList_typeArguments_none() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(a < b, p.q.c > (d));
''');
var node = parseResult.findNode.argumentList('(a');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
BinaryOperatorInvocation
leftOperand: ParsedUnqualifiedName
name: a
operator: <
rightOperand: ParsedUnqualifiedName
name: b
binaryOperator: lessThan
BinaryOperatorInvocation
leftOperand: ParsedNameAccess
operand: ParsedNameAccess
operand: ParsedUnqualifiedName
name: p
operator: .
name: q
operator: .
name: c
operator: >
rightOperand: ParenthesizedExpression
leftParenthesis: (
expression2: ParsedUnqualifiedName
name: d
expression(v1): SimpleIdentifier
token: d
rightParenthesis: )
binaryOperator: greaterThan
arguments(v1)
BinaryExpression
leftOperand: SimpleIdentifier
token: a
operator: <
rightOperand: SimpleIdentifier
token: b
BinaryExpression
leftOperand: PropertyAccess
target: PrefixedIdentifier
prefix: SimpleIdentifier
token: p
period: .
identifier: SimpleIdentifier
token: q
operator: .
propertyName: SimpleIdentifier
token: c
operator: >
rightOperand: ParenthesizedExpression
leftParenthesis: (
expression: SimpleIdentifier
token: d
rightParenthesis: )
rightParenthesis: )
''');
}
void test_parseArgumentList_typeArguments_prefixed() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = m(a<b, p.c>(d));
''');
var node = parseResult.findNode.argumentList('(a');
assertParsedNodeText(node, r'''
ArgumentList
leftParenthesis: (
arguments2
ParsedValueArguments
operand: ParsedTypeArguments
operand: ParsedUnqualifiedName
name: a
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: b
NamedType
importPrefix: ImportPrefixReference
name: p
period: .
name: c
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: d
arguments(v1)
SimpleIdentifier
token: d
rightParenthesis: )
arguments(v1)
MethodInvocation
methodName: SimpleIdentifier
token: a
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: b
NamedType
importPrefix: ImportPrefixReference
name: p
period: .
name: c
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments
SimpleIdentifier
token: d
rightParenthesis: )
rightParenthesis: )
''');
}
void test_parseCombinators_h() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' hide a;
''');
var node = parseResult.findNode.singleImportDirective;
assertParsedNodeText(node, r'''
ImportDirective
importKeyword: import
uri: SimpleStringLiteral
literal: 'a.dart'
combinators
HideCombinator
keyword: hide
names
CombinatorName
name: a
hiddenNames
SimpleIdentifier
token: a
semicolon: ;
''');
}
void test_parseCombinators_hs() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' hide a show b;
// ^^^^
// [diag.multipleCombinators] At most one 'show' or 'hide' combinator can be used on an import or export directive.
''');
var node = parseResult.findNode.singleImportDirective;
assertParsedNodeText(node, r'''
ImportDirective
importKeyword: import
uri: SimpleStringLiteral
literal: 'a.dart'
combinators
HideCombinator
keyword: hide
names
CombinatorName
name: a
hiddenNames
SimpleIdentifier
token: a
ShowCombinator
keyword: show
names
CombinatorName
name: b
shownNames
SimpleIdentifier
token: b
semicolon: ;
''');
}
void test_parseCombinators_hshs() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' hide a show b hide c show d;
// ^^^^
// [diag.multipleCombinators] At most one 'show' or 'hide' combinator can be used on an import or export directive.
// ^^^^
// [diag.multipleCombinators] At most one 'show' or 'hide' combinator can be used on an import or export directive.
// ^^^^
// [diag.multipleCombinators] At most one 'show' or 'hide' combinator can be used on an import or export directive.
''');
var node = parseResult.findNode.singleImportDirective;
assertParsedNodeText(node, r'''
ImportDirective
importKeyword: import
uri: SimpleStringLiteral
literal: 'a.dart'
combinators
HideCombinator
keyword: hide
names
CombinatorName
name: a
hiddenNames
SimpleIdentifier
token: a
ShowCombinator
keyword: show
names
CombinatorName
name: b
shownNames
SimpleIdentifier
token: b
HideCombinator
keyword: hide
names
CombinatorName
name: c
hiddenNames
SimpleIdentifier
token: c
ShowCombinator
keyword: show
names
CombinatorName
name: d
shownNames
SimpleIdentifier
token: d
semicolon: ;
''');
}
void test_parseCombinators_s() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' show a;
''');
var node = parseResult.findNode.singleImportDirective;
assertParsedNodeText(node, r'''
ImportDirective
importKeyword: import
uri: SimpleStringLiteral
literal: 'a.dart'
combinators
ShowCombinator
keyword: show
names
CombinatorName
name: a
shownNames
SimpleIdentifier
token: a
semicolon: ;
''');
}
void test_parseCommentAndMetadata_c() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** 1 */
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** 1 */
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_cmc() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** 1 */
@A
/** 2 */
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** 2 */
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_cmcm() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** 1 */
@A
/** 2 */
@B
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** 2 */
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: B
name: SimpleIdentifier
token: B
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_cmm() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** 1 */
@A
@B
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** 1 */
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: B
name: SimpleIdentifier
token: B
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_m() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_mcm() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A
/** 1 */
@B
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** 1 */
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: B
name: SimpleIdentifier
token: B
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_mcmc() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A
/** 1 */
@B
/** 2 */
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** 2 */
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: B
name: SimpleIdentifier
token: B
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_mix1() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/**
* aaa
*/
/**
* bbb
*/
class A {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/**
* bbb
*/
classKeyword: class
namePart: NameWithTypeParameters
typeName: A
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_mix2() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/**
* aaa
*/
/// bbb
/// ccc
class B {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/// bbb
/// ccc
classKeyword: class
namePart: NameWithTypeParameters
typeName: B
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_mix3() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/// aaa
/// bbb
/**
* ccc
*/
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/**
* ccc
*/
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
test_parseCommentAndMetadata_mix4() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/// aaa
/// bbb
/**
* ccc
*/
/// ddd
class D {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/// ddd
classKeyword: class
namePart: NameWithTypeParameters
typeName: D
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
test_parseCommentAndMetadata_mix5() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/**
* aaa
*/
// bbb
class E {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/**
* aaa
*/
classKeyword: class
namePart: NameWithTypeParameters
typeName: E
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_mm() {
var parseResult = parseTestCodeWithDiagnostics(r'''
@A
@B(x)
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
metadata
Annotation
atSign: @
expression: ParsedUnqualifiedName
name: A
name: SimpleIdentifier
token: A
Annotation
atSign: @
expression: ConstructorInvocation
constructorReference: ConstructorReference2
typeReference: ConstructorTypeReference
name: B
argumentList: ArgumentList
leftParenthesis: (
arguments2
ParsedUnqualifiedName
name: x
arguments(v1)
SimpleIdentifier
token: x
rightParenthesis: )
name: SimpleIdentifier
token: B
arguments: ArgumentList
leftParenthesis: (
arguments
SimpleIdentifier
token: x
rightParenthesis: )
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_none() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentAndMetadata_singleLine() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/// 1
/// 2
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/// 1
/// 2
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseCommentReferences_notClosed_noIdentifier() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** [ some text */
class C {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
documentationComment: Comment
references
CommentReference
components
CommentReferenceComponent
name: <empty> <synthetic>
expression: SimpleIdentifier
token: <empty> <synthetic>
tokens
/** [ some text */
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseConfiguration_noOperator_dottedIdentifier() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' if (a.b) 'c.dart';
''');
var node = parseResult.findNode.singleConfiguration;
assertParsedNodeText(node, r'''
Configuration
ifKeyword: if
leftParenthesis: (
name: DottedName
tokens
a
.
b
rightParenthesis: )
uri: SimpleStringLiteral
literal: 'c.dart'
resolvedUri: <null>
''');
}
void test_parseConfiguration_noOperator_simpleIdentifier() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' if (a) 'b.dart';
''');
var node = parseResult.findNode.singleConfiguration;
assertParsedNodeText(node, r'''
Configuration
ifKeyword: if
leftParenthesis: (
name: DottedName
tokens
a
rightParenthesis: )
uri: SimpleStringLiteral
literal: 'b.dart'
resolvedUri: <null>
''');
}
void test_parseConfiguration_operator_dottedIdentifier() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' if (a.b == 'c') 'd.dart';
''');
var node = parseResult.findNode.singleConfiguration;
assertParsedNodeText(node, r'''
Configuration
ifKeyword: if
leftParenthesis: (
name: DottedName
tokens
a
.
b
equalToken: ==
value: SimpleStringLiteral
literal: 'c'
rightParenthesis: )
uri: SimpleStringLiteral
literal: 'd.dart'
resolvedUri: <null>
''');
}
void test_parseConfiguration_operator_simpleIdentifier() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' if (a == 'b') 'c.dart';
''');
var node = parseResult.findNode.singleConfiguration;
assertParsedNodeText(node, r'''
Configuration
ifKeyword: if
leftParenthesis: (
name: DottedName
tokens
a
equalToken: ==
value: SimpleStringLiteral
literal: 'b'
rightParenthesis: )
uri: SimpleStringLiteral
literal: 'c.dart'
resolvedUri: <null>
''');
}
void test_parseConstructorName_named_noPrefix() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = new A.n();
''');
var node =
parseResult.findNode.singleConstructorInvocation.constructorReference;
assertParsedNodeText(node, r'''
ConstructorReference2
typeReference: ConstructorTypeReference
importPrefix: ImportPrefixReference
name: A
period: .
name: n
''');
}
void test_parseConstructorName_named_prefixed() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = new p.A.n();
''');
var node =
parseResult.findNode.singleConstructorInvocation.constructorReference;
assertParsedNodeText(node, r'''
ConstructorReference2
typeReference: ConstructorTypeReference
importPrefix: ImportPrefixReference
name: p
period: .
name: A
selector: ConstructorSelector
period: .
name2: n
''');
}
void test_parseConstructorName_unnamed_noPrefix() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = new A();
''');
var node =
parseResult.findNode.singleConstructorInvocation.constructorReference;
assertParsedNodeText(node, r'''
ConstructorReference2
typeReference: ConstructorTypeReference
name: A
''');
}
void test_parseConstructorName_unnamed_prefixed() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var v = new p.A();
''');
var node =
parseResult.findNode.singleConstructorInvocation.constructorReference;
assertParsedNodeText(node, r'''
ConstructorReference2
typeReference: ConstructorTypeReference
importPrefix: ImportPrefixReference
name: p
period: .
name: A
''');
}
void test_parseDocumentationComment_block() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** */
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
/** */
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseDocumentationComment_block_withReference() {
var parseResult = parseTestCodeWithDiagnostics(r'''
/** [a] */
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
references
CommentReference
components
CommentReferenceComponent
name: a
expression: SimpleIdentifier
token: a
tokens
/** [a] */
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseDocumentationComment_endOfLine() {
var parseResult = parseTestCodeWithDiagnostics(r'''
///
///
class C {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
documentationComment: Comment
tokens
///
///
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseExtendsClause() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class TestClass extends B {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: TestClass
extendsClause: ExtendsClause
extendsKeyword: extends
superclass: NamedType
name: B
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseFunctionBody_block() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {}
''');
var node =
parseResult.findNode.singleFunctionDeclaration.functionExpression.body;
assertParsedNodeText(node, r'''
BlockFunctionBody
block: Block
leftBracket: {
rightBracket: }
''');
}
void test_parseFunctionBody_block_async() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() async {}
''');
var node =
parseResult.findNode.singleFunctionDeclaration.functionExpression.body;
assertParsedNodeText(node, r'''
BlockFunctionBody
keyword: async
block: Block
leftBracket: {
rightBracket: }
''');
}
void test_parseFunctionBody_block_asyncGenerator() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() async* {}
''');
var node =
parseResult.findNode.singleFunctionDeclaration.functionExpression.body;
assertParsedNodeText(node, r'''
BlockFunctionBody
keyword: async
star: *
block: Block
leftBracket: {
rightBracket: }
''');
}
void test_parseFunctionBody_block_syncGenerator() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() sync* {}
''');
var node =
parseResult.findNode.singleFunctionDeclaration.functionExpression.body;
assertParsedNodeText(node, r'''
BlockFunctionBody
keyword: sync
star: *
block: Block
leftBracket: {
rightBracket: }
''');
}
void test_parseFunctionBody_empty() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() ;
''');
var node = parseResult.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
FunctionDeclaration
returnType: NamedType
name: void
name: f
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: EmptyFunctionBody
semicolon: ;
''');
}
void test_parseFunctionBody_empty_beforeAugmentations() {
var parseResult = parseTestCodeWithDiagnostics(r'''
// %before-language-feature: augmentations
void f() ;
// ^
// [diag.missingFunctionBody] A function body must be provided.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
FunctionDeclaration
returnType: NamedType
name: void
name: f
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: EmptyFunctionBody
semicolon: ;
''');
}
void test_parseFunctionBody_expression() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() => y;
''');
var node =
parseResult.findNode.singleFunctionDeclaration.functionExpression.body;
assertParsedNodeText(node, r'''
ExpressionFunctionBody
functionDefinition: =>
expression2: ParsedUnqualifiedName
name: y
expression(v1): SimpleIdentifier
token: y
semicolon: ;
''');
}
void test_parseFunctionBody_expression_async() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() async => y;
''');
var node =
parseResult.findNode.singleFunctionDeclaration.functionExpression.body;
assertParsedNodeText(node, r'''
ExpressionFunctionBody
keyword: async
functionDefinition: =>
expression2: ParsedUnqualifiedName
name: y
expression(v1): SimpleIdentifier
token: y
semicolon: ;
''');
}
void test_parseIdentifierList_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' show a, b, c;
''');
var node = parseResult.findNode.singleImportDirective;
assertParsedNodeText(node, r'''
ImportDirective
importKeyword: import
uri: SimpleStringLiteral
literal: 'a.dart'
combinators
ShowCombinator
keyword: show
names
CombinatorName
name: a
CombinatorName
name: b
CombinatorName
name: c
shownNames
SimpleIdentifier
token: a
SimpleIdentifier
token: b
SimpleIdentifier
token: c
semicolon: ;
''');
}
void test_parseIdentifierList_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
import 'a.dart' show a;
''');
var node = parseResult.findNode.singleImportDirective;
assertParsedNodeText(node, r'''
ImportDirective
importKeyword: import
uri: SimpleStringLiteral
literal: 'a.dart'
combinators
ShowCombinator
keyword: show
names
CombinatorName
name: a
shownNames
SimpleIdentifier
token: a
semicolon: ;
''');
}
void test_parseImplementsClause_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class TestClass implements A, B, C {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: TestClass
implementsClause: ImplementsClause
implementsKeyword: implements
interfaces
NamedType
name: A
NamedType
name: B
NamedType
name: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseImplementsClause_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class TestClass implements A {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: TestClass
implementsClause: ImplementsClause
implementsKeyword: implements
interfaces
NamedType
name: A
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseInstanceCreation_keyword_33647() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var c = new Future<int>.sync(() => 3).then<int>((e) => e);
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
TopLevelVariableDeclaration
variables: VariableDeclarationList
keyword: var
variables
VariableDeclaration
name: c
equals: =
initializer2: ParsedValueArguments
operand: ParsedTypeArguments
operand: ParsedNameAccess
operand: ConstructorInvocation
keyword: new
constructorReference: ConstructorReference2
typeReference: ConstructorTypeReference
name: Future
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
selector: ConstructorSelector
period: .
name2: sync
argumentList: ArgumentList
leftParenthesis: (
arguments2
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: IntegerLiteral
literal: 3
rightParenthesis: )
operator: .
name: then
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments2
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
name: e
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: e
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: ParsedUnqualifiedName
name: e
expression(v1): SimpleIdentifier
token: e
rightParenthesis: )
initializer(v1): MethodInvocation
target: InstanceCreationExpression
keyword: new
constructorName: ConstructorName
type: NamedType
name: Future
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
period: .
name: SimpleIdentifier
token: sync
argumentList: ArgumentList
leftParenthesis: (
arguments
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression: IntegerLiteral
literal: 3
rightParenthesis: )
operator: .
methodName: SimpleIdentifier
token: then
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: e
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression: SimpleIdentifier
token: e
rightParenthesis: )
semicolon: ;
''');
}
void test_parseInstanceCreation_noKeyword_33647() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var c = Future<int>.sync(() => 3).then<int>((e) => e);
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
TopLevelVariableDeclaration
variables: VariableDeclarationList
keyword: var
variables
VariableDeclaration
name: c
equals: =
initializer2: ParsedValueArguments
operand: ParsedTypeArguments
operand: ParsedNameAccess
operand: ParsedValueArguments
operand: ParsedNameAccess
operand: ParsedTypeArguments
operand: ParsedUnqualifiedName
name: Future
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
operator: .
name: sync
argumentList: ArgumentList
leftParenthesis: (
arguments2
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: IntegerLiteral
literal: 3
rightParenthesis: )
operator: .
name: then
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments2
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
name: e
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: e
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: ParsedUnqualifiedName
name: e
expression(v1): SimpleIdentifier
token: e
rightParenthesis: )
initializer(v1): MethodInvocation
target: InstanceCreationExpression
constructorName: ConstructorName
type: NamedType
name: Future
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
period: .
name: SimpleIdentifier
token: sync
argumentList: ArgumentList
leftParenthesis: (
arguments
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression: IntegerLiteral
literal: 3
rightParenthesis: )
operator: .
methodName: SimpleIdentifier
token: then
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
arguments
FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: e
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression: SimpleIdentifier
token: e
rightParenthesis: )
semicolon: ;
''');
}
void test_parseInstanceCreation_noKeyword_noPrefix() {
var parseResult = parseTestCodeWithDiagnostics(r'''
f() => C<E>.n();
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
FunctionDeclaration
name: f
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: ParsedValueArguments
operand: ParsedNameAccess
operand: ParsedTypeArguments
operand: ParsedUnqualifiedName
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
operator: .
name: n
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
expression(v1): InstanceCreationExpression
constructorName: ConstructorName
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
period: .
name: SimpleIdentifier
token: n
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
semicolon: ;
''');
}
void test_parseInstanceCreation_noKeyword_noPrefix_34403() {
var parseResult = parseTestCodeWithDiagnostics(r'''
f() => C<E>.n<B>();
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
FunctionDeclaration
name: f
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: ParsedValueArguments
operand: ParsedTypeArguments
operand: ParsedNameAccess
operand: ParsedTypeArguments
operand: ParsedUnqualifiedName
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
operator: .
name: n
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
expression(v1): MethodInvocation
target: FunctionReference
function: SimpleIdentifier
token: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
operator: .
methodName: SimpleIdentifier
token: n
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
semicolon: ;
''');
}
void test_parseInstanceCreation_noKeyword_prefix() {
var parseResult = parseTestCodeWithDiagnostics(r'''
f() => p.C<E>.n();
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
FunctionDeclaration
name: f
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: ParsedValueArguments
operand: ParsedNameAccess
operand: ParsedTypeArguments
operand: ParsedNameAccess
operand: ParsedUnqualifiedName
name: p
operator: .
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
operator: .
name: n
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
expression(v1): InstanceCreationExpression
constructorName: ConstructorName
type: NamedType
importPrefix: ImportPrefixReference
name: p
period: .
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
period: .
name: SimpleIdentifier
token: n
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
semicolon: ;
''');
}
void test_parseInstanceCreation_noKeyword_varInit() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<T, S> {}
void main() {
final c = C<int, int Function(String)>();
}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: T
TypeParameter
name: S
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
FunctionDeclaration
returnType: NamedType
name: void
name: main
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: BlockFunctionBody
block: Block
leftBracket: {
statements
VariableDeclarationStatement
variables: VariableDeclarationList
keyword: final
variables
VariableDeclaration
name: c
equals: =
initializer2: ParsedValueArguments
operand: ParsedTypeArguments
operand: ParsedUnqualifiedName
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
GenericFunctionType
returnType: NamedType
name: int
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: String
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: String
rightParenthesis: )
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
initializer(v1): MethodInvocation
methodName: SimpleIdentifier
token: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
GenericFunctionType
returnType: NamedType
name: int
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: String
rightParenthesis: )
rightBracket: >
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
semicolon: ;
rightBracket: }
''');
}
void test_parseLibraryIdentifier_builtin() {
var parseResult = parseTestCodeWithDiagnostics(r'''
library $name;
''');
var node = parseResult.findNode.singleLibraryDirective;
assertParsedNodeText(node, r'''
LibraryDirective
libraryKeyword: library
name: DottedName
tokens
$name
semicolon: ;
''');
}
void test_parseLibraryIdentifier_invalid() {
var parseResult = parseTestCodeWithDiagnostics(r'''
library <myLibId>;
// [diag.missingFunctionParameters][column 1][length 7] Functions must have an explicit list of parameters.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
FunctionDeclaration
name: library
functionExpression: FunctionExpression
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: myLibId
rightBracket: >
parameters: FormalParameterList
leftParenthesis: ( <synthetic>
rightParenthesis: ) <synthetic>
body: EmptyFunctionBody
semicolon: ;
''');
}
void test_parseLibraryIdentifier_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
library $name;
''');
var node = parseResult.findNode.singleLibraryDirective;
assertParsedNodeText(node, r'''
LibraryDirective
libraryKeyword: library
name: DottedName
tokens
$name
semicolon: ;
''');
}
void test_parseLibraryIdentifier_pseudo() {
var parseResult = parseTestCodeWithDiagnostics(r'''
library $name;
''');
var node = parseResult.findNode.singleLibraryDirective;
assertParsedNodeText(node, r'''
LibraryDirective
libraryKeyword: library
name: DottedName
tokens
$name
semicolon: ;
''');
}
void test_parseLibraryIdentifier_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
library $name;
''');
var node = parseResult.findNode.singleLibraryDirective;
assertParsedNodeText(node, r'''
LibraryDirective
libraryKeyword: library
name: DottedName
tokens
$name
semicolon: ;
''');
}
void test_parseOptionalReturnType() {
// TODO(brianwilkerson): Implement tests for this method.
}
void test_parseReturnStatement_noValue() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
return;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
ReturnStatement
returnKeyword: return
semicolon: ;
''');
}
void test_parseReturnStatement_value() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
return x;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
ReturnStatement
returnKeyword: return
expression2: ParsedUnqualifiedName
name: x
expression(v1): SimpleIdentifier
token: x
semicolon: ;
''');
}
void test_parseStatement_function_noReturnType() {
var parseResult = parseTestCodeWithDiagnostics('''
void f() {
Function<A>(core.List<core.int> x) m() => null;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, '''
FunctionDeclarationStatement
functionDeclaration: FunctionDeclaration
returnType: GenericFunctionType
functionKeyword: Function
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
rightBracket: >
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
importPrefix: ImportPrefixReference
name: core
period: .
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
importPrefix: ImportPrefixReference
name: core
period: .
name: int
rightBracket: >
name: x
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
importPrefix: ImportPrefixReference
name: core
period: .
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
importPrefix: ImportPrefixReference
name: core
period: .
name: int
rightBracket: >
name: x
rightParenthesis: )
name: m
functionExpression: FunctionExpression
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
body: ExpressionFunctionBody
functionDefinition: =>
expression2: NullLiteral
literal: null
semicolon: ;
''');
}
void test_parseStatements_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
return;
return;
}
''');
var node = parseResult.findNode.firstBlock;
assertParsedNodeText(node, r'''
Block
leftBracket: {
statements
ReturnStatement
returnKeyword: return
semicolon: ;
ReturnStatement
returnKeyword: return
semicolon: ;
rightBracket: }
''');
}
void test_parseStatements_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
return;
}
''');
var node = parseResult.findNode.firstBlock;
assertParsedNodeText(node, r'''
Block
leftBracket: {
statements
ReturnStatement
returnKeyword: return
semicolon: ;
rightBracket: }
''');
}
void test_parseTypeAnnotation_function_noReturnType_noParameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(Function() x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_noReturnType_parameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(Function(int, int) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: int
RegularFormalParameter
type: NamedType
name: int
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: int
parameter: RegularFormalParameter
type: NamedType
name: int
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_noReturnType_typeParameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(Function<S, T>() x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
functionKeyword: Function
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: S
TypeParameter
name: T
rightBracket: >
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
name: x
''');
}
void
test_parseTypeAnnotation_function_noReturnType_typeParameters_parameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(Function<T>(String, {T t}) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
functionKeyword: Function
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: T
rightBracket: >
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: String
delimitedFormalParameters: DelimitedFormalParameters
leftDelimiter: {
formalParameters
RegularFormalParameter
type: NamedType
name: T
name: t
rightDelimiter: }
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: String
leftDelimiter: {
parameter: RegularFormalParameter
type: NamedType
name: T
name: t
rightDelimiter: }
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_classFunction() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(Function x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: Function
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_function() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(A Function(B, C) Function(D) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: GenericFunctionType
returnType: NamedType
name: A
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: B
RegularFormalParameter
type: NamedType
name: C
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: B
parameter: RegularFormalParameter
type: NamedType
name: C
rightParenthesis: )
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: D
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: D
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_noParameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(List<int> Function() x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: NamedType
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_parameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(List<int> Function(String s, int i) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: NamedType
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: String
name: s
RegularFormalParameter
type: NamedType
name: int
name: i
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: String
name: s
parameter: RegularFormalParameter
type: NamedType
name: int
name: i
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_simple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(A Function(B, C) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: NamedType
name: A
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: B
RegularFormalParameter
type: NamedType
name: C
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: B
parameter: RegularFormalParameter
type: NamedType
name: C
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_typeParameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(List<T> Function<T>() x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: NamedType
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: T
rightBracket: >
functionKeyword: Function
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: T
rightBracket: >
parameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
name: x
''');
}
void
test_parseTypeAnnotation_function_returnType_typeParameters_parameters() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(List<T> Function<T>(String s, [T]) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: NamedType
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: T
rightBracket: >
functionKeyword: Function
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: T
rightBracket: >
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: String
name: s
delimitedFormalParameters: DelimitedFormalParameters
leftDelimiter: [
formalParameters
RegularFormalParameter
type: NamedType
name: T
rightDelimiter: ]
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: String
name: s
leftDelimiter: [
parameter: RegularFormalParameter
type: NamedType
name: T
rightDelimiter: ]
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_function_returnType_withArguments() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(A<B> Function(C) x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: GenericFunctionType
returnType: NamedType
name: A
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
rightBracket: >
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: C
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: C
rightParenthesis: )
name: x
''');
}
void test_parseTypeAnnotation_named() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(A<B> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: A
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
rightBracket: >
name: x
''');
}
void test_parseTypeArgumentList_empty() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(
C<> x,
// ^
// [diag.expectedTypeName] Expected a type name.
) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: <empty> <synthetic>
rightBracket: >
name: x
''');
}
void test_parseTypeArgumentList_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(C<int, int, int> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
NamedType
name: int
NamedType
name: int
rightBracket: >
name: x
''');
}
void test_parseTypeArgumentList_nested() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(C<A<B>> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: A
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
rightBracket: >
rightBracket: >
name: x
''');
}
void test_parseTypeArgumentList_nested_withComment_double() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(C<A<B /* 0 */>> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: A
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
rightBracket: >
rightBracket: >
name: x
''');
}
void test_parseTypeArgumentList_nested_withComment_tripple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(C<A<B<C /* 0 */>>> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: A
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: B
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: C
rightBracket: >
rightBracket: >
rightBracket: >
name: x
''');
}
void test_parseTypeArgumentList_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(C<int> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: C
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
name: x
''');
}
void test_parseTypeName_parameterized() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(List<int> x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: List
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: int
rightBracket: >
name: x
''');
}
void test_parseTypeName_simple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f(int x) {}
''');
var node = parseResult.findNode.firstFormalParameter;
assertParsedNodeText(node, r'''
RegularFormalParameter
type: NamedType
name: int
name: x
''');
}
void test_parseTypeParameter_bounded_functionType_noReturn() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A extends Function(int)> {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
extendsKeyword: extends
bound: GenericFunctionType
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: int
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: int
rightParenthesis: )
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseTypeParameter_bounded_functionType_return() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A extends String Function(int)> {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
extendsKeyword: extends
bound: GenericFunctionType
returnType: NamedType
name: String
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
type: NamedType
name: int
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
type: NamedType
name: int
rightParenthesis: )
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseTypeParameter_bounded_generic() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A extends B<C>> {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
extendsKeyword: extends
bound: NamedType
name: B
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: C
rightBracket: >
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseTypeParameter_bounded_simple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A extends B> {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
extendsKeyword: extends
bound: NamedType
name: B
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseTypeParameter_simple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A> {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseTypeParameterList_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A, B extends C, D> {}
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
TypeParameter
name: B
extendsKeyword: extends
bound: NamedType
name: C
TypeParameter
name: D
rightBracket: >
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseTypeParameterList_parameterizedWithTrailingEquals() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A extends B<E>>= {}
// ^
// [diag.expectedToken] Expected to find ';'.
// ^
// [diag.expectedTypeName] Expected a type name.
// [diag.expectedToken] Expected to find 'with'.
// [diag.expectedExecutable] Expected a method, getter, setter or operator declaration.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassTypeAlias
typedefKeyword: class
name: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
extendsKeyword: extends
bound: NamedType
name: B
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
rightBracket: >
equals: =
superclass: NamedType
name: <empty> <synthetic>
withClause: WithClause
withKeyword: with <synthetic>
mixinTypes
NamedType
name: <empty> <synthetic>
semicolon: ; <synthetic>
''');
}
void test_parseTypeParameterList_parameterizedWithTrailingEquals2() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A extends B<E /* foo */ >>= {}
// ^
// [diag.expectedToken] Expected to find ';'.
// ^
// [diag.expectedTypeName] Expected a type name.
// [diag.expectedToken] Expected to find 'with'.
// [diag.expectedExecutable] Expected a method, getter, setter or operator declaration.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassTypeAlias
typedefKeyword: class
name: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
extendsKeyword: extends
bound: NamedType
name: B
typeArguments: TypeArgumentList
leftBracket: <
arguments
NamedType
name: E
rightBracket: >
rightBracket: >
equals: =
superclass: NamedType
name: <empty> <synthetic>
withClause: WithClause
withKeyword: with <synthetic>
mixinTypes
NamedType
name: <empty> <synthetic>
semicolon: ; <synthetic>
''');
}
void test_parseTypeParameterList_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<<A> {}
// ^
// [diag.expectedClassBody] A class declaration must have a body, even if it is empty.
// ^^
// [diag.expectedExecutable] Expected a method, getter, setter or operator declaration.
// ^
// [diag.missingConstFinalVarOrType] Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
// [diag.expectedToken] Expected to find ';'.
// ^
// [diag.expectedExecutable] Expected a method, getter, setter or operator declaration.
// ^
// [diag.expectedExecutable] Expected a method, getter, setter or operator declaration.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: C
body: BlockClassBody
leftBracket: { <synthetic>
rightBracket: } <synthetic>
TopLevelVariableDeclaration
variables: VariableDeclarationList
variables
VariableDeclaration
name: A
semicolon: ; <synthetic>
''');
}
void test_parseTypeParameterList_withTrailingEquals() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class C<A>= {}
// ^
// [diag.expectedToken] Expected to find ';'.
// ^
// [diag.expectedTypeName] Expected a type name.
// [diag.expectedToken] Expected to find 'with'.
// [diag.expectedExecutable] Expected a method, getter, setter or operator declaration.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
ClassTypeAlias
typedefKeyword: class
name: C
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: A
rightBracket: >
equals: =
superclass: NamedType
name: <empty> <synthetic>
withClause: WithClause
withKeyword: with <synthetic>
mixinTypes
NamedType
name: <empty> <synthetic>
semicolon: ; <synthetic>
''');
}
void test_parseVariableDeclaration_equals() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var a = b;
''');
var node = parseResult.findNode.singleVariableDeclaration;
assertParsedNodeText(node, r'''
VariableDeclaration
name: a
equals: =
initializer2: ParsedUnqualifiedName
name: b
initializer(v1): SimpleIdentifier
token: b
''');
}
void test_parseVariableDeclaration_final_late() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
final late a;
// ^^^^
// [diag.modifierOutOfOrder] The modifier 'late' should be before the modifier 'final'.
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
keyword: final
variables
VariableDeclaration
name: a
semicolon: ;
''');
}
void test_parseVariableDeclaration_late() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
late a;
// ^
// [diag.missingConstFinalVarOrType] Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
variables
VariableDeclaration
name: a
semicolon: ;
''');
}
void test_parseVariableDeclaration_late_final() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
late final a;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
keyword: final
variables
VariableDeclaration
name: a
semicolon: ;
''');
}
void test_parseVariableDeclaration_late_init() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
late a = 0;
// ^
// [diag.missingConstFinalVarOrType] Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
variables
VariableDeclaration
name: a
equals: =
initializer2: IntegerLiteral
literal: 0
semicolon: ;
''');
}
void test_parseVariableDeclaration_late_type() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
late A a;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
type: NamedType
name: A
variables
VariableDeclaration
name: a
semicolon: ;
''');
}
void test_parseVariableDeclaration_late_var() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
late var a;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
keyword: var
variables
VariableDeclaration
name: a
semicolon: ;
''');
}
void test_parseVariableDeclaration_late_var_init() {
var parseResult = parseTestCodeWithDiagnostics(r'''
void f() {
late var a = 0;
}
''');
var node = parseResult.findNode.firstBlock.statements[0];
assertParsedNodeText(node, r'''
VariableDeclarationStatement
variables: VariableDeclarationList
lateKeyword: late
keyword: var
variables
VariableDeclaration
name: a
equals: =
initializer2: IntegerLiteral
literal: 0
semicolon: ;
''');
}
void test_parseVariableDeclaration_noEquals() {
var parseResult = parseTestCodeWithDiagnostics(r'''
var a;
''');
var node = parseResult.findNode.singleVariableDeclaration;
assertParsedNodeText(node, r'''
VariableDeclaration
name: a
''');
}
void test_parseWithClause_multiple() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class TestClass extends Object with A, B, C {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: TestClass
extendsClause: ExtendsClause
extendsKeyword: extends
superclass: NamedType
name: Object
withClause: WithClause
withKeyword: with
mixinTypes
NamedType
name: A
NamedType
name: B
NamedType
name: C
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_parseWithClause_single() {
var parseResult = parseTestCodeWithDiagnostics(r'''
class TestClass extends Object with M {}
''');
var node = parseResult.findNode.singleClassDeclaration;
assertParsedNodeText(node, r'''
ClassDeclaration
classKeyword: class
namePart: NameWithTypeParameters
typeName: TestClass
extendsClause: ExtendsClause
extendsKeyword: extends
superclass: NamedType
name: Object
withClause: WithClause
withKeyword: with
mixinTypes
NamedType
name: M
body: BlockClassBody
leftBracket: {
rightBracket: }
''');
}
void test_typeAlias_37733() {
var parseResult = parseTestCodeWithDiagnostics(r'''
typedef K=Function(<>($
// ^
// [diag.invalidInlineFunctionType] Inline function types can't be used for parameters in a generic function type.
// [diag.missingIdentifier] Expected an identifier.
// ^
// [diag.missingIdentifier] Expected an identifier.
// ^
// [diag.expectedToken] Expected to find ';'.
// [diag.expectedToken][column 24][length 1] Expected to find ')'.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
GenericTypeAlias
typedefKeyword: typedef
name: K
equals: =
type: GenericFunctionType
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
name: <empty> <synthetic>
functionTypedSuffix: FunctionTypedFormalParameterSuffix
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: <empty> <synthetic>
rightBracket: >
formalParameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
name: $
rightParenthesis: ) <synthetic>
formalParameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: $
rightParenthesis: ) <synthetic>
rightParenthesis: ) <synthetic>
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: <empty> <synthetic>
functionTypedSuffix: FunctionTypedFormalParameterSuffix
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: <empty> <synthetic>
rightBracket: >
formalParameters: FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: $
rightParenthesis: ) <synthetic>
rightParenthesis: ) <synthetic>
semicolon: ; <synthetic>
''');
}
void test_typeAlias_parameter_missingIdentifier_37733() {
var parseResult = parseTestCodeWithDiagnostics(r'''
typedef T=Function(<S>());
// ^
// [diag.invalidInlineFunctionType] Inline function types can't be used for parameters in a generic function type.
// [diag.missingIdentifier] Expected an identifier.
''');
var node = parseResult.findNode.unit;
assertParsedNodeText(node, r'''
CompilationUnit
declarations2
GenericTypeAlias
typedefKeyword: typedef
name: T
equals: =
type: GenericFunctionType
functionKeyword: Function
parameters: FormalParameterList
leftParenthesis: (
requiredPositionalFormalParameters
RegularFormalParameter
name: <empty> <synthetic>
functionTypedSuffix: FunctionTypedFormalParameterSuffix
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: S
rightBracket: >
formalParameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
rightParenthesis: )
parameters(v1): FormalParameterList
leftParenthesis: (
parameter: RegularFormalParameter
name: <empty> <synthetic>
functionTypedSuffix: FunctionTypedFormalParameterSuffix
typeParameters: TypeParameterList
leftBracket: <
typeParameters
TypeParameter
name: S
rightBracket: >
formalParameters: FormalParameterList
leftParenthesis: (
rightParenthesis: )
rightParenthesis: )
semicolon: ;
''');
}
}