Jens Johansen
3a1f732c0f
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>
580 lines
36 KiB
Plaintext
580 lines
36 KiB
Plaintext
parseUnit(f)
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skipErrorTokens(f)
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listener: beginCompilationUnit(f)
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syntheticPreviousToken(f)
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parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
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parseMetadataStar()
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listener: beginMetadataStar(f)
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listener: endMetadataStar(0)
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parseTopLevelMemberImpl()
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listener: beginTopLevelMember(f)
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isReservedKeyword(()
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parseTopLevelMethod(, null, , Instance of 'NoType', null, f, false)
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listener: beginTopLevelMethod(, null)
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listener: handleNoType()
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ensureIdentifierPotentiallyRecovered(, topLevelFunctionDeclaration, false)
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listener: handleIdentifier(f, topLevelFunctionDeclaration)
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parseMethodTypeVar(f)
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listener: handleNoTypeVariables(()
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parseGetterOrFormalParameters(f, f, false, MemberKind.TopLevelMethod)
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parseFormalParameters(f, MemberKind.TopLevelMethod)
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parseFormalParametersRest((, MemberKind.TopLevelMethod)
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listener: beginFormalParameters((, MemberKind.TopLevelMethod)
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listener: endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
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parseAsyncModifierOpt())
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listener: handleAsyncModifier(null, null)
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inPlainSync()
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parseFunctionBody(), false, false)
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listener: beginBlockFunctionBody({)
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notEofOrValue(}, var)
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parseStatement({)
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parseStatementX({)
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parseExpressionStatementOrDeclarationAfterModifiers(var, {, null, var, null, false)
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looksLikeLocalFunction(a)
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listener: beginMetadataStar(var)
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listener: endMetadataStar(0)
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listener: handleNoType(var)
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listener: beginVariablesDeclaration(a, null, var)
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parseVariablesDeclarationRest(var, true)
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parseOptionallyInitializedIdentifier(var)
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ensureIdentifier(var, localVariableDeclaration)
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listener: handleIdentifier(a, localVariableDeclaration)
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listener: beginInitializedIdentifier(a)
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parseVariableInitializerOpt(a)
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listener: handleNoVariableInitializer(a)
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listener: endInitializedIdentifier(a)
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parseOptionallyInitializedIdentifier(,)
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ensureIdentifier(,, localVariableDeclaration)
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listener: handleIdentifier(b, localVariableDeclaration)
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listener: beginInitializedIdentifier(b)
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parseVariableInitializerOpt(b)
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listener: handleNoVariableInitializer(b)
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listener: endInitializedIdentifier(b)
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parseOptionallyInitializedIdentifier(,)
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ensureIdentifier(,, localVariableDeclaration)
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listener: handleIdentifier(c, localVariableDeclaration)
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listener: beginInitializedIdentifier(c)
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parseVariableInitializerOpt(c)
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listener: handleNoVariableInitializer(c)
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listener: endInitializedIdentifier(c)
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ensureSemicolon(c)
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listener: endVariablesDeclaration(3, ;)
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notEofOrValue(}, a)
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parseStatement(;)
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parseStatementX(;)
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parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
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looksLikeLocalFunction(a)
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parseExpressionStatement(;)
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parseExpression(;)
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parsePrecedenceExpression(;, 1, true)
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parseUnaryExpression(;, true)
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parsePrimary(;, expression)
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parseSendOrFunctionLiteral(;, expression)
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parseSend(;, expression)
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ensureIdentifier(;, expression)
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listener: handleIdentifier(a, expression)
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listener: handleNoTypeArguments(?)
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parseArgumentsOpt(a)
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listener: handleNoArguments(?)
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listener: handleSend(a, ?)
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canParseAsConditional(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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parseArgumentsOpt(b)
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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parseArgumentsOpt(c)
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parseConditionalExpressionRest(a)
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listener: beginConditionalExpression(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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listener: handleNoTypeArguments([)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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listener: handleIdentifier(b, expression)
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listener: handleNoTypeArguments(])
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parseArgumentsOpt(b)
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listener: handleNoArguments(])
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listener: handleSend(b, ])
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listener: handleLiteralList(1, [, null, ])
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ensureColon(])
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listener: handleConditionalExpressionColon()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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listener: handleIdentifier(c, expression)
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listener: handleNoTypeArguments(;)
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parseArgumentsOpt(c)
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listener: handleNoArguments(;)
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listener: handleSend(c, ;)
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listener: endConditionalExpression(?, :)
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ensureSemicolon(c)
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listener: handleExpressionStatement(;)
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notEofOrValue(}, a)
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parseStatement(;)
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parseStatementX(;)
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parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
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looksLikeLocalFunction(a)
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parseExpressionStatement(;)
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parseExpression(;)
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parsePrecedenceExpression(;, 1, true)
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parseUnaryExpression(;, true)
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parsePrimary(;, expression)
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parseSendOrFunctionLiteral(;, expression)
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parseSend(;, expression)
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ensureIdentifier(;, expression)
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listener: handleIdentifier(a, expression)
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listener: handleNoTypeArguments(?)
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parseArgumentsOpt(a)
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listener: handleNoArguments(?)
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listener: handleSend(a, ?)
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canParseAsConditional(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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parseArgumentsOpt(b)
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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parseArgumentsOpt(c)
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parseConditionalExpressionRest(a)
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listener: beginConditionalExpression(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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listener: handleNoTypeArguments([)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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listener: handleIdentifier(b, expression)
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listener: handleNoTypeArguments(])
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parseArgumentsOpt(b)
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listener: handleNoArguments(])
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listener: handleSend(b, ])
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listener: handleLiteralList(1, [, null, ])
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ensureColon(])
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listener: handleConditionalExpressionColon()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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listener: handleIdentifier(c, expression)
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listener: handleNoTypeArguments(;)
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parseArgumentsOpt(c)
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listener: handleNoArguments(;)
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listener: handleSend(c, ;)
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listener: endConditionalExpression(?, :)
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ensureSemicolon(c)
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listener: handleExpressionStatement(;)
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notEofOrValue(}, a)
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parseStatement(;)
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parseStatementX(;)
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parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
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looksLikeLocalFunction(a)
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parseExpressionStatement(;)
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parseExpression(;)
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parsePrecedenceExpression(;, 1, true)
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parseUnaryExpression(;, true)
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parsePrimary(;, expression)
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parseSendOrFunctionLiteral(;, expression)
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parseSend(;, expression)
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ensureIdentifier(;, expression)
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listener: handleIdentifier(a, expression)
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listener: handleNoTypeArguments(?)
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parseArgumentsOpt(a)
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listener: handleNoArguments(?)
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listener: handleSend(a, ?)
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canParseAsConditional(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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parseArgumentsOpt(b)
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parsePrimary(., expressionContinuation)
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parseSendOrFunctionLiteral(., expressionContinuation)
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looksLikeFunctionBody(:)
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parseSend(., expressionContinuation)
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ensureIdentifier(., expressionContinuation)
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parseArgumentsOpt(toString)
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parseArguments(toString)
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parseArgumentsRest(()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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parseArgumentsOpt(c)
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parseConditionalExpressionRest(a)
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listener: beginConditionalExpression(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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listener: handleNoTypeArguments([)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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listener: handleIdentifier(b, expression)
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listener: handleNoTypeArguments(])
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parseArgumentsOpt(b)
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listener: handleNoArguments(])
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listener: handleSend(b, ])
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listener: handleLiteralList(1, [, null, ])
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parsePrimary(., expressionContinuation)
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parseSendOrFunctionLiteral(., expressionContinuation)
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looksLikeFunctionBody(:)
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parseSend(., expressionContinuation)
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ensureIdentifier(., expressionContinuation)
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listener: handleIdentifier(toString, expressionContinuation)
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listener: handleNoTypeArguments(()
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parseArgumentsOpt(toString)
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parseArguments(toString)
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parseArgumentsRest(()
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listener: beginArguments(()
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listener: endArguments(0, (, ))
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listener: handleSend(toString, :)
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listener: handleEndingBinaryExpression(.)
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ensureColon())
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listener: handleConditionalExpressionColon()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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listener: handleIdentifier(c, expression)
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listener: handleNoTypeArguments(;)
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parseArgumentsOpt(c)
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listener: handleNoArguments(;)
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listener: handleSend(c, ;)
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listener: endConditionalExpression(?, :)
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ensureSemicolon(c)
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listener: handleExpressionStatement(;)
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notEofOrValue(}, a)
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parseStatement(;)
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parseStatementX(;)
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parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
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looksLikeLocalFunction(a)
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parseExpressionStatement(;)
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parseExpression(;)
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parsePrecedenceExpression(;, 1, true)
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parseUnaryExpression(;, true)
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parsePrimary(;, expression)
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parseSendOrFunctionLiteral(;, expression)
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parseSend(;, expression)
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ensureIdentifier(;, expression)
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listener: handleIdentifier(a, expression)
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listener: handleNoTypeArguments(?)
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parseArgumentsOpt(a)
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listener: handleNoArguments(?)
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listener: handleSend(a, ?)
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canParseAsConditional(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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parseArgumentsOpt(b)
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parsePrimary(., expressionContinuation)
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parseSendOrFunctionLiteral(., expressionContinuation)
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looksLikeFunctionBody(:)
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parseSend(., expressionContinuation)
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ensureIdentifier(., expressionContinuation)
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parseArgumentsOpt(toString)
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parseArguments(toString)
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parseArgumentsRest(()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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parseArgumentsOpt(c)
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parseConditionalExpressionRest(a)
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listener: beginConditionalExpression(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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listener: handleNoTypeArguments([)
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parseLiteralListSuffix(?, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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listener: handleIdentifier(b, expression)
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listener: handleNoTypeArguments(])
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parseArgumentsOpt(b)
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listener: handleNoArguments(])
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listener: handleSend(b, ])
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listener: handleLiteralList(1, [, null, ])
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parsePrimary(., expressionContinuation)
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parseSendOrFunctionLiteral(., expressionContinuation)
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looksLikeFunctionBody(:)
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parseSend(., expressionContinuation)
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ensureIdentifier(., expressionContinuation)
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listener: handleIdentifier(toString, expressionContinuation)
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listener: handleNoTypeArguments(()
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parseArgumentsOpt(toString)
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parseArguments(toString)
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parseArgumentsRest(()
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listener: beginArguments(()
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listener: endArguments(0, (, ))
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listener: handleSend(toString, :)
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listener: handleEndingBinaryExpression(.)
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ensureColon())
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listener: handleConditionalExpressionColon()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseSendOrFunctionLiteral(:, expression)
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parseSend(:, expression)
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ensureIdentifier(:, expression)
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listener: handleIdentifier(c, expression)
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listener: handleNoTypeArguments(;)
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parseArgumentsOpt(c)
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listener: handleNoArguments(;)
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listener: handleSend(c, ;)
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listener: endConditionalExpression(?, :)
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ensureSemicolon(c)
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listener: handleExpressionStatement(;)
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notEofOrValue(}, a)
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parseStatement(;)
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parseStatementX(;)
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parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
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looksLikeLocalFunction(a)
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parseExpressionStatement(;)
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parseExpression(;)
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parsePrecedenceExpression(;, 1, true)
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parseUnaryExpression(;, true)
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parsePrimary(;, expression)
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parseSendOrFunctionLiteral(;, expression)
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parseSend(;, expression)
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ensureIdentifier(;, expression)
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listener: handleIdentifier(a, expression)
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listener: handleNoTypeArguments(?)
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parseArgumentsOpt(a)
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listener: handleNoArguments(?)
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listener: handleSend(a, ?)
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parseConditionalExpressionRest(a)
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listener: beginConditionalExpression(?)
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parseExpressionWithoutCascade(?)
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parsePrecedenceExpression(?, 1, false)
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parseUnaryExpression(?, false)
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parsePrimary(?, expression)
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parseLiteralListSetMapOrFunction(?, null)
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listener: beginTypeArguments(<)
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listener: handleIdentifier(dynamic, typeReference)
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listener: handleNoTypeArguments(>)
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listener: handleType(dynamic, null)
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listener: endTypeArguments(1, <, >)
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parseLiteralListSuffix(>, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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listener: handleIdentifier(b, expression)
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listener: handleNoTypeArguments(])
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parseArgumentsOpt(b)
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listener: handleNoArguments(])
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listener: handleSend(b, ])
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listener: handleLiteralList(1, [, null, ])
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ensureColon(])
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listener: handleConditionalExpressionColon()
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parseExpressionWithoutCascade(:)
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parsePrecedenceExpression(:, 1, false)
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parseUnaryExpression(:, false)
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parsePrimary(:, expression)
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parseLiteralListSetMapOrFunction(:, null)
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listener: beginTypeArguments(<)
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listener: handleIdentifier(dynamic, typeReference)
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listener: handleNoTypeArguments(>)
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listener: handleType(dynamic, null)
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listener: endTypeArguments(1, <, >)
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parseLiteralListSuffix(>, null)
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parseExpression([)
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parsePrecedenceExpression([, 1, true)
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parseUnaryExpression([, true)
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parsePrimary([, expression)
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parseSendOrFunctionLiteral([, expression)
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parseSend([, expression)
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ensureIdentifier([, expression)
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listener: handleIdentifier(c, expression)
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listener: handleNoTypeArguments(])
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parseArgumentsOpt(c)
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listener: handleNoArguments(])
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listener: handleSend(c, ])
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listener: handleLiteralList(1, [, null, ])
|
|
listener: endConditionalExpression(?, :)
|
|
ensureSemicolon(])
|
|
listener: handleExpressionStatement(;)
|
|
notEofOrValue(}, a)
|
|
parseStatement(;)
|
|
parseStatementX(;)
|
|
parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
|
|
looksLikeLocalFunction(a)
|
|
parseExpressionStatement(;)
|
|
parseExpression(;)
|
|
parsePrecedenceExpression(;, 1, true)
|
|
parseUnaryExpression(;, true)
|
|
parsePrimary(;, expression)
|
|
parseSendOrFunctionLiteral(;, expression)
|
|
parseSend(;, expression)
|
|
ensureIdentifier(;, expression)
|
|
listener: handleIdentifier(a, expression)
|
|
listener: handleNoTypeArguments(?)
|
|
parseArgumentsOpt(a)
|
|
listener: handleNoArguments(?)
|
|
listener: handleSend(a, ?)
|
|
parseConditionalExpressionRest(a)
|
|
listener: beginConditionalExpression(?)
|
|
parseExpressionWithoutCascade(?)
|
|
parsePrecedenceExpression(?, 1, false)
|
|
parseUnaryExpression(?, false)
|
|
parsePrimary(?, expression)
|
|
parseParenthesizedExpressionOrFunctionLiteral(?)
|
|
parseParenthesizedExpression(?)
|
|
parseExpressionInParenthesis(?)
|
|
parseExpressionInParenthesisRest(()
|
|
parseExpression(()
|
|
parsePrecedenceExpression((, 1, true)
|
|
parseUnaryExpression((, true)
|
|
parsePrimary((, expression)
|
|
listener: handleNoTypeArguments([)
|
|
parseLiteralListSuffix((, null)
|
|
parseExpression([)
|
|
parsePrecedenceExpression([, 1, true)
|
|
parseUnaryExpression([, true)
|
|
parsePrimary([, expression)
|
|
parseSendOrFunctionLiteral([, expression)
|
|
parseSend([, expression)
|
|
ensureIdentifier([, expression)
|
|
listener: handleIdentifier(b, expression)
|
|
listener: handleNoTypeArguments(])
|
|
parseArgumentsOpt(b)
|
|
listener: handleNoArguments(])
|
|
listener: handleSend(b, ])
|
|
listener: handleLiteralList(1, [, null, ])
|
|
ensureCloseParen(], ()
|
|
listener: handleParenthesizedExpression(()
|
|
ensureColon())
|
|
listener: handleConditionalExpressionColon()
|
|
parseExpressionWithoutCascade(:)
|
|
parsePrecedenceExpression(:, 1, false)
|
|
parseUnaryExpression(:, false)
|
|
parsePrimary(:, expression)
|
|
parseParenthesizedExpressionOrFunctionLiteral(:)
|
|
parseParenthesizedExpression(:)
|
|
parseExpressionInParenthesis(:)
|
|
parseExpressionInParenthesisRest(()
|
|
parseExpression(()
|
|
parsePrecedenceExpression((, 1, true)
|
|
parseUnaryExpression((, true)
|
|
parsePrimary((, expression)
|
|
listener: handleNoTypeArguments([)
|
|
parseLiteralListSuffix((, null)
|
|
parseExpression([)
|
|
parsePrecedenceExpression([, 1, true)
|
|
parseUnaryExpression([, true)
|
|
parsePrimary([, expression)
|
|
parseSendOrFunctionLiteral([, expression)
|
|
parseSend([, expression)
|
|
ensureIdentifier([, expression)
|
|
listener: handleIdentifier(c, expression)
|
|
listener: handleNoTypeArguments(])
|
|
parseArgumentsOpt(c)
|
|
listener: handleNoArguments(])
|
|
listener: handleSend(c, ])
|
|
listener: handleLiteralList(1, [, null, ])
|
|
ensureCloseParen(], ()
|
|
listener: handleParenthesizedExpression(()
|
|
listener: endConditionalExpression(?, :)
|
|
ensureSemicolon())
|
|
listener: handleExpressionStatement(;)
|
|
notEofOrValue(}, })
|
|
listener: endBlockFunctionBody(7, {, })
|
|
listener: endTopLevelMethod(f, null, })
|
|
listener: endTopLevelDeclaration()
|
|
reportAllErrorTokens(f)
|
|
listener: endCompilationUnit(1, )
|