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sdk/pkg/front_end/parser_testcases/nnbd/issue_42621.dart.expect
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Jens Johansen 3a1f732c0f [parser] Make begin/end events always come in pairs 
This CL:
* Changes the events so beginX and endX events always comes in pairs
  (though technically not right as some specific events can be beginX
  endY --- but in those cases it is at least documented and used in code
  that actually tests it).
  -> This entails adding some events and converting something from
    "beginX" to "handleX" instead.
* Adds a utility that can generate an AST of sorts directly from the
  parser via a listener using the begin/end matching (and knowing of the
  specific ones that doesn't match directly).
* Adds a test that checks that - at least for all tested (50,000+) files
  - the AST actually generate "correctly", i.e. matches up begin/ends
  and ends up with a single top entry "CompilationUnit".
* Adds a different visualization to the parser listener events by
  displaying the "AST directly from the parser" in a UI that can be
  navigated. The visualization may not be the best, but it's certainly
  a stepping stone.

Change-Id: I9b27f7bbf3be442adc92f357c7b3c46da6f84cf7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/159664
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
2020-09-01 09:30:43 +00:00

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beginCompilationUnit(Order)
beginMetadataStar(Order)
endMetadataStar(0)
beginTopLevelMember(Order)
beginTopLevelMethod(, null)
handleIdentifier(Order, typeReference)
handleNoTypeArguments(method1)
handleType(Order, null)
handleIdentifier(method1, topLevelFunctionDeclaration)
handleNoTypeVariables(()
beginFormalParameters((, MemberKind.TopLevelMethod)
beginMetadataStar(Map)
endMetadataStar(0)
beginFormalParameter(Map, MemberKind.TopLevelMethod, null, null, null)
handleIdentifier(Map, typeReference)
beginTypeArguments(<)
handleIdentifier(String, typeReference)
handleNoTypeArguments(,)
handleType(String, null)
handleIdentifier(dynamic, typeReference)
handleNoTypeArguments(>)
handleType(dynamic, null)
endTypeArguments(2, <, >)
handleType(Map, null)
handleIdentifier(json, formalParameterDeclaration)
handleFormalParameterWithoutValue())
endFormalParameter(null, null, json, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
handleAsyncModifier(null, null)
beginBlockFunctionBody({)
beginReturnStatement(return)
handleIdentifier(Order, expression)
handleNoTypeArguments(()
beginArguments(()
endArguments(0, (, ))
handleSend(Order, ..)
beginCascade(..)
handleIdentifier(x, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(x, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('x')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(List, typeReference)
handleNoTypeArguments(..)
handleType(List, null)
endAsOperatorType(as)
handleAsOperator(as)
handleAssignmentExpression(=)
endCascade()
beginCascade(..)
handleIdentifier(y, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(y, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('y')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(int, typeReference)
handleNoTypeArguments(;)
handleType(int, null)
endAsOperatorType(as)
handleAsOperator(as)
handleAssignmentExpression(=)
endCascade()
endReturnStatement(true, return, ;)
endBlockFunctionBody(1, {, })
endTopLevelMethod(Order, null, })
endTopLevelDeclaration(Order)
beginMetadataStar(Order)
endMetadataStar(0)
beginTopLevelMember(Order)
beginTopLevelMethod(}, null)
handleIdentifier(Order, typeReference)
handleNoTypeArguments(method2)
handleType(Order, null)
handleIdentifier(method2, topLevelFunctionDeclaration)
handleNoTypeVariables(()
beginFormalParameters((, MemberKind.TopLevelMethod)
beginMetadataStar(Map)
endMetadataStar(0)
beginFormalParameter(Map, MemberKind.TopLevelMethod, null, null, null)
handleIdentifier(Map, typeReference)
beginTypeArguments(<)
handleIdentifier(String, typeReference)
handleNoTypeArguments(,)
handleType(String, null)
handleIdentifier(dynamic, typeReference)
handleNoTypeArguments(>)
handleType(dynamic, null)
endTypeArguments(2, <, >)
handleType(Map, null)
handleIdentifier(json, formalParameterDeclaration)
handleFormalParameterWithoutValue())
endFormalParameter(null, null, json, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
handleAsyncModifier(null, null)
beginBlockFunctionBody({)
beginReturnStatement(return)
handleIdentifier(Order, expression)
handleNoTypeArguments(()
beginArguments(()
endArguments(0, (, ))
handleSend(Order, ..)
beginCascade(..)
handleIdentifier(x, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(x, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('x')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(List, typeReference)
handleNoTypeArguments(?)
handleType(List, ?)
endAsOperatorType(as)
handleAsOperator(as)
handleAssignmentExpression(=)
endCascade()
beginCascade(..)
handleIdentifier(y, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(y, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('y')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(int, typeReference)
handleNoTypeArguments(;)
handleType(int, null)
endAsOperatorType(as)
handleAsOperator(as)
handleAssignmentExpression(=)
endCascade()
endReturnStatement(true, return, ;)
endBlockFunctionBody(1, {, })
endTopLevelMethod(Order, null, })
endTopLevelDeclaration(Order)
beginMetadataStar(Order)
endMetadataStar(0)
beginTopLevelMember(Order)
beginTopLevelMethod(}, null)
handleIdentifier(Order, typeReference)
handleNoTypeArguments(method3)
handleType(Order, null)
handleIdentifier(method3, topLevelFunctionDeclaration)
handleNoTypeVariables(()
beginFormalParameters((, MemberKind.TopLevelMethod)
beginMetadataStar(Map)
endMetadataStar(0)
beginFormalParameter(Map, MemberKind.TopLevelMethod, null, null, null)
handleIdentifier(Map, typeReference)
beginTypeArguments(<)
handleIdentifier(String, typeReference)
handleNoTypeArguments(,)
handleType(String, null)
handleIdentifier(dynamic, typeReference)
handleNoTypeArguments(>)
handleType(dynamic, null)
endTypeArguments(2, <, >)
handleType(Map, null)
handleIdentifier(json, formalParameterDeclaration)
handleFormalParameterWithoutValue())
endFormalParameter(null, null, json, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
handleAsyncModifier(null, null)
beginBlockFunctionBody({)
beginReturnStatement(return)
handleIdentifier(Order, expression)
handleNoTypeArguments(()
beginArguments(()
endArguments(0, (, ))
handleSend(Order, ..)
beginCascade(..)
handleIdentifier(x, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(x, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('x')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(List, typeReference)
handleNoTypeArguments(?)
handleType(List, ?)
endAsOperatorType(as)
handleAsOperator(as)
handleParenthesizedExpression(()
handleAssignmentExpression(=)
endCascade()
beginCascade(..)
handleIdentifier(y, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(y, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('y')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(int, typeReference)
handleNoTypeArguments(;)
handleType(int, null)
endAsOperatorType(as)
handleAsOperator(as)
handleAssignmentExpression(=)
endCascade()
endReturnStatement(true, return, ;)
endBlockFunctionBody(1, {, })
endTopLevelMethod(Order, null, })
endTopLevelDeclaration(Order)
beginMetadataStar(Order)
endMetadataStar(0)
beginTopLevelMember(Order)
beginTopLevelMethod(}, null)
handleIdentifier(Order, typeReference)
handleNoTypeArguments(method4)
handleType(Order, null)
handleIdentifier(method4, topLevelFunctionDeclaration)
handleNoTypeVariables(()
beginFormalParameters((, MemberKind.TopLevelMethod)
beginMetadataStar(Map)
endMetadataStar(0)
beginFormalParameter(Map, MemberKind.TopLevelMethod, null, null, null)
handleIdentifier(Map, typeReference)
beginTypeArguments(<)
handleIdentifier(String, typeReference)
handleNoTypeArguments(,)
handleType(String, null)
handleIdentifier(dynamic, typeReference)
handleNoTypeArguments(>)
handleType(dynamic, null)
endTypeArguments(2, <, >)
handleType(Map, null)
handleIdentifier(json, formalParameterDeclaration)
handleFormalParameterWithoutValue())
endFormalParameter(null, null, json, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
handleAsyncModifier(null, null)
beginBlockFunctionBody({)
beginReturnStatement(return)
handleIdentifier(Order, expression)
handleNoTypeArguments(()
beginArguments(()
endArguments(0, (, ))
handleSend(Order, ..)
beginCascade(..)
handleIdentifier(x, expressionContinuation)
handleNoTypeArguments(=)
handleNoArguments(=)
handleSend(x, =)
handleEndingBinaryExpression(..)
handleIdentifier(json, expression)
handleNoTypeArguments([)
handleNoArguments([)
handleSend(json, [)
beginLiteralString('x')
endLiteralString(0, ])
handleIndexedExpression(null, [, ])
beginAsOperatorType(as)
handleIdentifier(List, typeReference)
handleNoTypeArguments(?)
handleType(List, ?)
endAsOperatorType(as)
handleAsOperator(as)
handleAssignmentExpression(=)
endCascade()
endReturnStatement(true, return, ;)
endBlockFunctionBody(1, {, })
endTopLevelMethod(Order, null, })
endTopLevelDeclaration(class)
beginMetadataStar(class)
endMetadataStar(0)
beginClassOrNamedMixinApplicationPrelude(class)
handleIdentifier(Order, classOrMixinDeclaration)
handleNoTypeVariables({)
beginClassDeclaration(class, null, Order)
handleNoType(Order)
handleClassExtends(null, 1)
handleClassNoWithClause()
handleClassOrMixinImplements(null, 0)
handleClassHeader(class, class, null)
beginClassOrMixinBody(DeclarationKind.Class, {)
beginMetadataStar(List)
endMetadataStar(0)
beginMember()
beginFields({)
handleIdentifier(List, typeReference)
handleNoTypeArguments(?)
handleType(List, ?)
handleIdentifier(x, fieldDeclaration)
handleNoFieldInitializer(;)
endClassFields(null, null, null, null, null, null, 1, List, ;)
endMember()
beginMetadataStar(int)
endMetadataStar(0)
beginMember()
beginFields(;)
handleIdentifier(int, typeReference)
handleNoTypeArguments(?)
handleType(int, ?)
handleIdentifier(y, fieldDeclaration)
handleNoFieldInitializer(;)
endClassFields(null, null, null, null, null, null, 1, int, ;)
endMember()
endClassOrMixinBody(DeclarationKind.Class, 2, {, })
endClassDeclaration(class, })
endTopLevelDeclaration()
endCompilationUnit(5, )
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