removed part of the grammar for performance
This commit is contained in:
Nicolas Amaya
@@ -188,7 +188,7 @@ NullLiteral: 'null';
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//SEPRATORS -------------------------------------------------------------------------------------------------------------------------
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ParenthesesLeft: '(';
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ParanthesesRight: ')';
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ParenthesesRight: ')';
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CurlyBracketLeft: '{';
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CurlyBracketRight: '}';
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SquareBracketLeft: '[';
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@@ -233,8 +233,8 @@ BitwiseORAssign: '|=';
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BitwiseXORAssign: '^=';
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RemainderAssign: '%=';
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LeftShiftAssign: '<<=';
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SighnedRightShiftAssign: '>>=';
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UnsighnedRightShiftAssign: '>>>=';
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SignedRightShiftAssign: '>>=';
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UnsignedRightShiftAssign: '>>>=';
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//IDENTIFIERS -------------------------------------------------------------------------------------------------------------------------------------------
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376
ExprSyntactic.g4
376
ExprSyntactic.g4
@@ -15,8 +15,111 @@ literal: IntegerLiteral
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| BooleanLiteral
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| NullLiteral;
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expression: expression1 (assignmentOperator expression1)?;
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//expression: assignmentExpression;//expression1 (assignmentOperator expression1)?;
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//testy test
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// Top
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expression
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: assignmentExpression
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;
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// Assignment is right-assoc and restricts LHS
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assignmentExpression
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: leftHandSide assignmentOperator assignmentExpression
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| conditionalExpression
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;
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// ?: binds looser than ||
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conditionalExpression
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: conditionalOrExpression
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(Question expression Colon conditionalExpression)?
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;
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// || (left-assoc)
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conditionalOrExpression
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: conditionalAndExpression
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(ConditionalOR conditionalAndExpression)*
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;
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// && (left-assoc)
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conditionalAndExpression
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: inclusiveOrExpression
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(ConditionalAND inclusiveOrExpression)*
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;
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// | ^ & (left-assoc, each tier)
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inclusiveOrExpression
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: exclusiveOrExpression
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(BitwiseOR exclusiveOrExpression)*
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;
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exclusiveOrExpression
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: andExpression
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(BitwiseXOR andExpression)*
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;
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andExpression
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: equalityExpression
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(BitwiseAND equalityExpression)*
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;
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// == !=
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equalityExpression
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: relationalExpression
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((EqualTo | NotEqualTo) relationalExpression)*
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;
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// < > <= >= and instanceof
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relationalExpression
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: shiftExpression
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((LessThan | GreaterThan | LessThanEqualTo | GreaterThanEqualTo) shiftExpression)*
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| shiftExpression InstanceOf type
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;
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// << >> >>>
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shiftExpression
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: additiveExpression
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((LeftShift | SignedRightShift | UnsignedRightShift) additiveExpression)*
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;
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// + -
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additiveExpression
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: multiplicativeExpression
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((Addition | Subtraction) multiplicativeExpression)*
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;
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// * / %
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multiplicativeExpression
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: unaryExpression
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((Multiplication | Division | Remainder) unaryExpression)*
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;
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// ++x --x +x -x and the rest
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unaryExpression
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: (Increment | Decrement) unaryExpression
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| (Addition | Subtraction) unaryExpression
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| unaryExpressionNotPlusMinus
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;
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unaryExpressionNotPlusMinus
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: (BitwiseComplement | LogicalComplement) unaryExpression
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| castExpression
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| postfixExpression
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;
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// (T)expr
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castExpression
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: ParenthesesLeft primitiveType ParanthesesRight unaryExpression
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| ParenthesesLeft referenceType ParanthesesRight unaryExpressionNotPlusMinus
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;
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// post-inc/dec over your suffix-based primary
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postfixExpression
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: primary (Increment | Decrement)*
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;
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//end test
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assignmentOperator: Assignment
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| AddAssign
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| SubtractAssign
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@@ -27,8 +130,8 @@ assignmentOperator: Assignment
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| BitwiseXORAssign
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| RemainderAssign
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| LeftShiftAssign
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| SighnedRightShiftAssign
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| UnsighnedRightShiftAssign;
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| SignedRightShiftAssign
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| UnsignedRightShiftAssign;
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type: identifier (Dot identifier)* bracketsOpt
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| basicType;
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@@ -37,65 +140,65 @@ statementExpression: expression;
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constantExpression: expression;
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expression1: expression2 (expression1Rest)?;
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expression1Rest: Question expression Colon expression1;
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expression2: expression3 expression2Rest?;
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expression2Rest: (infixop expression3)+
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| InstanceOf type;
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infixop: ConditionalOR
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| ConditionalAND
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| BitwiseOR
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| BitwiseXOR
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| BitwiseAND
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| EqualTo
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| NotEqualTO
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| LessThan
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| GreterThan
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| LessThanEqualTo
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| GreaterThanEqualTo
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| LeftShift
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| SignedRightShift
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| UnsignedRightShift
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| Addition
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| Subtraction
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| Multiplication
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| Division
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| Remainder;
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expression3: prefixOp expression3 // Recursion
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| (expression | type) expression3
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| primary (selector)* (postfixOp)*;
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primary: (expression)
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| This (arguments)?
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| Super superSuffix
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| literal
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| New creator
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| identifier (Dot identifier)* (identifierSuffix)?
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| basicType bracketsOpt Dot Class
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| Void Dot Class;
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////TEST
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//primary: primaryAtom primarySuffix*
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// | New creator ;
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//expression1: expression2 (expression1Rest)?;
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//
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//primaryAtom: ParenthesesLeft expression ParenthesesRight
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// | This
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// | literal
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// | qualifiedIdentifier
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// | qualifiedIdentifier Dot This
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// | basicType bracketsOpt Dot Class
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// | Void Dot Class
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// | Super;
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//expression1Rest: Question expression Colon expression1;
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//
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//// All selectors / postfix pieces (no recursion back to primary)
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//primarySuffix: Dot Identifier arguments?
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// | SquareBracketLeft expression SquareBracketRight
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// | Dot Class;
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//expression2: expression3 expression2Rest?;
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//
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//expression2Rest: (infixop expression3)+
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// | InstanceOf type;
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//
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//infixop: ConditionalOR
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// | ConditionalAND
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// | BitwiseOR
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// | BitwiseXOR
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// | BitwiseAND
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// | EqualTo
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// | NotEqualTo
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// | LessThan
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// | GreaterThan
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// | LessThanEqualTo
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// | GreaterThanEqualTo
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// | LeftShift
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// | SignedRightShift
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// | UnsignedRightShift
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// | Addition
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// | Subtraction
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// | Multiplication
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// | Division
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// | Remainder;
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//
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//expression3: prefixOp expression3 // Recursion
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// | ParenthesesLeft type ParenthesesRight expression3
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// | primary (selector)* (postfixOp)*;
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//primary: (expression)
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// | This (arguments)?
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// | Super superSuffix
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// | literal
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// | New creator
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// | identifier (Dot identifier)* (identifierSuffix)?
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// | basicType bracketsOpt Dot Class
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// | Void Dot Class;
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//TEST
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primary: primaryAtom primarySuffix*
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| New creator ;
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primaryAtom: ParenthesesLeft expression ParenthesesRight
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| This
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| literal
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| qualifiedIdentifier
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| qualifiedIdentifier Dot This
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| basicType bracketsOpt Dot Class
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| Void Dot Class
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| Super;
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// All selectors / postfix pieces (no recursion back to primary)
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primarySuffix: Dot Identifier arguments?
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| SquareBracketLeft expression SquareBracketRight
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| Dot Class;
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////END test
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identifierSuffix: SquareBracketLeft SquareBracketRight bracketsOpt Dot Class //Case []...'.'class
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@@ -174,12 +277,12 @@ statement: block
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| Break (identifier)? Semicolon
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| Continue (identifier)? Semicolon
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| Semicolon
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| expressionStatement
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//| expressionStatement
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| identifier Colon statement;
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catches: catchClause (catchClause)*;
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catchClause: Catch ParenthesesLeft formalParameter ParanthesesRight block;
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catchClause: Catch ParenthesesLeft formalParameter ParenthesesRight block;
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switchBlockStatementGroups: (switchBlockStatementGroup)*;
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@@ -226,7 +329,7 @@ variableDeclaratorId: identifier bracketsOpt;
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compilationUnit: (Package qualifiedIdentifier Semicolon)? (importDeclaration)*;
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importDeclaration: Import identifier (Dot identifier)*(importDeclaration Multiplication)? Semicolon;
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importDeclaration: Import identifier (Dot identifier)* (Dot Multiplication)? Semicolon;
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typeDeclaration: classOrInterfaceDeclaration Semicolon;
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@@ -236,7 +339,7 @@ classDeclaration: Class identifier (Extends type)? (Implements typeList)? classB
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interfaceDeclaration: Interface identifier (Extends typeList)? interfaceBody;
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typeList: type (Semicolon type)*;
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typeList: type (Comma type)*;
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classBody: CurlyBracketLeft (classBodyDeclaration)* CurlyBracketRight;
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@@ -279,7 +382,7 @@ constructorDeclaratorRest: formalParameters (Throws qualifiedIdentifierList)? me
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qualifiedIdentifierList: qualifiedIdentifier (Semicolon qualifiedIdentifier)*;
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formalParameters:ParenthesesLeft (formalParameters(Semicolon formalParameter))? ParanthesesRight;
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formalParameters: ParenthesesLeft (formalParameter (Comma formalParameter)*)? ParenthesesRight;
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formalParameter: (Final)? type variableDeclaratorId;
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@@ -293,64 +396,64 @@ asssignmentExpression: conditionalExpression
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assignment: leftHandSide assignmentOperator assignmentExpression;
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leftHandSide: expressionName
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| fieldAccess
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| arrayAccess;
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| fieldAccess
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| primary SquareBracketLeft expression SquareBracketRight(SquareBracketLeft expression SquareBracketRight)*;
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conditionalExpression: conditionalOrExpression
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| conditionalOrExpression Question expression Colon conditionalExpression;
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conditionalOrExpression:
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conditionalAndExpression
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|conditionalOrExpression ConditionalOr conditionalAndExpression;
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//Conditional And (&&)
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conditionalAndExpression:
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inclusiveOrExpression
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|conditionalAndExpression ConditionalAnd inclusiveOrExpression;
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inclusiveOrExpression:
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exclusiveOrExpression
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inclusiveOrExpression BitwiseOR exclusiveOrExpression;
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//Assignment operators
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assignmentExpression:conditionalExpression
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|assignment;
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relationalExpression:
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shiftExpression
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|relationalExpression LessThan shiftExpression
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|relationalExpression GreaterThan shiftExpression
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|relationalExpression LessOrEqual shiftExpression
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|relationalExpression GreaterOrEqual shiftExpression
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|relationalExpression InstanceOf referenceType;
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//conditionalExpression: conditionalOrExpression
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// | conditionalOrExpression Question expression Colon conditionalExpression;
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//
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// conditionalOrExpression:
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// conditionalAndExpression
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// |conditionalOrExpression ConditionalOr conditionalAndExpression;
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// //Conditional And (&&)
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// conditionalAndExpression:
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// inclusiveOrExpression
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// |conditionalAndExpression ConditionalAnd inclusiveOrExpression;
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// inclusiveOrExpression:
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// exclusiveOrExpression
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// inclusiveOrExpression BitwiseOR exclusiveOrExpression;
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////Assignment operators
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//assignmentExpression:conditionalExpression
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// |assignment;
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//
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// relationalExpression:
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// shiftExpression
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// |relationalExpression LessThan shiftExpression
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// |relationalExpression GreaterThan shiftExpression
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// |relationalExpression LessOrEqual shiftExpression
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// |relationalExpression GreaterOrEqual shiftExpression
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// |relationalExpression InstanceOf referenceType;
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//ShiftExpression:
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shiftExpression: additiveExpression
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|shiftExpression LeftShift additiveExpression
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|shiftExpression SignedRightShift additiveExpression
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|shiftExpression UnsignedRightShift additiveExpression;
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//Additive Operators
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additiveExpression: multiplicativeExpression
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| additiveExpression Addition multiplicativeExpression
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| additiveExpression Subtraction multiplicativeExpression;
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//Multiplicative Operators
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multiplicativeExpression: unaryExpression
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| multiplicativeExpression Multiplication unaryExpression
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| multiplicativeExpression Division unaryExpression
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| multiplicativeExpression Remainder unaryExpression;
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//Unary Operators
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unaryExpression: preIncrementExpression
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|preDecrementExpression
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|Addition unaryExpression
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|Subtraction unaryExpression
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|unaryExpressionNotPlusMinus;
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//shiftExpression: additiveExpression
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// |shiftExpression LeftShift additiveExpression
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// |shiftExpression SignedRightShift additiveExpression
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// |shiftExpression UnsignedRightShift additiveExpression;
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////Additive Operators
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//additiveExpression: multiplicativeExpression
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// | additiveExpression Addition multiplicativeExpression
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// | additiveExpression Subtraction multiplicativeExpression;
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//
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////Multiplicative Operators
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//multiplicativeExpression: unaryExpression
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// | multiplicativeExpression Multiplication unaryExpression
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// | multiplicativeExpression Division unaryExpression
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// | multiplicativeExpression Remainder unaryExpression;
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////Unary Operators
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//unaryExpression: preIncrementExpression
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// |preDecrementExpression
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// |Addition unaryExpression
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// |Subtraction unaryExpression
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// |unaryExpressionNotPlusMinus;
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preIncrementExpression: Increment unaryExpression;
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preDecrementExpression: Decrement unaryExpression;
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unaryExpressionNotPlusMinus: postfixExpression
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|BitwiseComplement unaryExpression
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|LogicalComplement unaryExpression
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| castExpression;
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castExpression: ParenthesesLeft primitiveType ParanthesesRight unaryExpression
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| ParenthesesLeft referenceType ParanthesesRight unaryExpressionNotPlusMinus;
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//unaryExpressionNotPlusMinus: postfixExpression
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// |BitwiseComplement unaryExpression
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// |LogicalComplement unaryExpression
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// | castExpression;
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//castExpression: ParenthesesLeft primitiveType ParanthesesRight unaryExpression
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// | ParenthesesLeft referenceType ParanthesesRight unaryExpressionNotPlusMinus;
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//Primitive types
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primitiveType: numericType
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| Boolean;
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@@ -376,23 +479,23 @@ floatingPointType: Float | Double;
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// | postIncrementExpression
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// | postDecrementExpression;
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postfixBase: primary | expressionName ;
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postfixExpression : postfixBase (Increment | Decrement)* ;
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postIncrementExpression: postfixExpression Increment;
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postDecrementExpression: postfixExpression Decrement;
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//postfixExpression : postfixBase (Increment | Decrement)* ;
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//postIncrementExpression: postfixExpression Increment;
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//postDecrementExpression: postfixExpression Decrement;
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//Equality Operators
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equalityExpression:
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relationalExpression
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|equalityExpression EqualEqual relationalExpression
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|equalityExpression NotEqualTo relationalExpression;
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// //Equality Operators
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// equalityExpression:
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// relationalExpression
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// |equalityExpression EqualEqual relationalExpression
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// |equalityExpression NotEqualTo relationalExpression;
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//Bitwise and Logical Operators
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andExpression:
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equalityExpression
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|andExpression BitwiseAND andExpression;
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exclusiveOrExpression:
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andExpression
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|exclusiveOrExpression BitwiseXOR andExpression;
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// andExpression:
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// equalityExpression
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// |andExpression BitwiseAND andExpression;
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// exclusiveOrExpression:
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// andExpression
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// |exclusiveOrExpression BitwiseXOR andExpression;
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expressionName: Identifier (Dot Identifier)*;
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fieldAccess
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: primary Dot Identifier
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@@ -400,17 +503,6 @@ fieldAccess
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| typeName Dot Super Dot Identifier
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;
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primaryNoNewArray: literal
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| type Dot Class
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|Void Dot Class
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|This
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|qualifiedIdentifier Dot This
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|ParenthesesLeft expression ParanthesesRight
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|classInstanceCreationExpression
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|fieldAccess
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|methodInvocation
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|arrayAccess;
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classInstanceCreationExpression: New classOrInterfaceType ParenthesesLeft argumentsOpt ParanthesesRight classBody
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| primary New identifier ParenthesesLeft argumentsOpt ParanthesesRight classBody;
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Reference in New Issue
Block a user