Deprecated : This code is no longer supported
This commit is contained in:
Mann Patel
206
ExprParser.g4
206
ExprParser.g4
@@ -1,126 +1,126 @@
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parser grammar ExprParser;
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// parser grammar ExprParser;
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options {
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tokenVocab=ExprLexer;
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}
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// options {
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// tokenVocab=ExprLexer;
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// }
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// Class Parser rules
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prog : class EOF;
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// // Class Parser rules
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// prog : class EOF;
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class:(Public | Private | Protected ) Class ID SLPAREN method+ SRPAREN;
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// class:(Public | Private | Protected ) Class ID SLPAREN method+ SRPAREN;
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//Method Decloration
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method: Public Static Void ID LPAREN arg* RPAREN SLPAREN methodCode SRPAREN
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| Private Static Void ID SLPAREN methodCode SRPAREN
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| Protected Static Void ID SLPAREN methodCode SRPAREN
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;
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// //Method Decloration
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// method: Public Static Void ID LPAREN arg* RPAREN SLPAREN methodCode SRPAREN
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// | Private Static Void ID SLPAREN methodCode SRPAREN
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// | Protected Static Void ID SLPAREN methodCode SRPAREN
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// ;
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methodCode: systemOutPrint* forloop*
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;
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// methodCode: systemOutPrint* forloop*
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// ;
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systemOutPrint
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: SYSTEM DOT OUT DOT PRINT LPAREN data RPAREN SEMI;
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// systemOutPrint
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// : SYSTEM DOT OUT DOT PRINT LPAREN data RPAREN SEMI;
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forloop: For LPAREN arg RPAREN SLPAREN methodCode SRPAREN;
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// forloop: For LPAREN arg RPAREN SLPAREN methodCode SRPAREN;
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arg: String arraydef* ID
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| exp SEMI exp SEMI exp
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;
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// arg: String arraydef* ID
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// | exp SEMI exp SEMI exp
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// ;
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exp: define
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| ID GreterEql INTE
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| ID INCMENT
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;
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define : Int ID EQL INTE;
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arraydef: SqLPAREN (data T)* SqRPAREN;
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data: STRING ;
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// exp: define
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// | ID GreterEql INTE
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// | ID INCMENT
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// ;
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// define : Int ID EQL INTE;
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// arraydef: SqLPAREN (data T)* SqRPAREN;
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// data: STRING ;
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//TODO: sections 4 to 9
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// //TODO: sections 4 to 9
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//Primitive Types
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type:
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primitiveType dims? //Handle int[] or just int
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|name dims?;
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// //Primitive Types
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// type:
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// primitiveType dims? //Handle int[] or just int
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// |name dims?;
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primitiveType:
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primitiveNumericType
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|Boolean;
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// primitiveType:
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// primitiveNumericType
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// |Boolean;
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primitiveNumericType:
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primitiveIntegralType
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|primitiveFloatingPointType;
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// primitiveNumericType:
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// primitiveIntegralType
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// |primitiveFloatingPointType;
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primitiveIntegralType:
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Byte
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|Short
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|Int
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|Long
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|Char;
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// primitiveIntegralType:
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// Byte
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// |Short
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// |Int
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// |Long
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// |Char;
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primitiveFloatingPointType:
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Float
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|Double;
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// primitiveFloatingPointType:
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// Float
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// |Double;
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dims:
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(LBracket RBracket)*;
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// dims:
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// (LBracket RBracket)*;
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name:
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Identifier (Dot Identifier)*;
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// Operators 15.20 Relational Operators
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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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// name:
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// Identifier (Dot Identifier)*;
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// // Operators 15.20 Relational Operators
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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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//Equality Operators
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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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// 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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inclusiveOrExpression:
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exclusiveOrExpression
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inclusiveOrExpression BitwiseOR exclusiveOrExpression;
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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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//conditional Or (||)
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conditionalOrExpression:
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conditionalAndExpression
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|conditionalOrExpression ConditionalOr conditionalAndExpression;
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//conditional Operator (?)
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conditionalExpression:
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conditionalOrExpression
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|conditionalOrExpression QuestionMark exp Colon conditionalOrExpression;
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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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// inclusiveOrExpression:
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// exclusiveOrExpression
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// inclusiveOrExpression BitwiseOR exclusiveOrExpression;
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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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// //conditional Or (||)
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// conditionalOrExpression:
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// conditionalAndExpression
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// |conditionalOrExpression ConditionalOr conditionalAndExpression;
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// //conditional Operator (?)
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// conditionalExpression:
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// conditionalOrExpression
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// |conditionalOrExpression QuestionMark exp Colon conditionalOrExpression;
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//Assignment operators
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assignmentExpression:
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conditionalExpression
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|assignment;
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assignment:
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leftHandSide assignmentOperator assignmentExpression;
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leftHandSide:
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expressionName;
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|fieldAccess
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|arrayAccess;
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assignmentOperator:
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Assignment | MultiplyAssign | DivideAssign | RemainderAssign | AddAssign | SubtractAssign | LeftShiftAssign
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| SighnedRightShiftAssign | BitwiseANDAssign | BitwiseXORAssign | BitwiseORAssign;
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// //Assignment operators
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// assignmentExpression:
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// conditionalExpression
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// |assignment;
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// assignment:
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// leftHandSide assignmentOperator assignmentExpression;
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// leftHandSide:
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// expressionName;
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// |fieldAccess
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// |arrayAccess;
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// assignmentOperator:
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// Assignment | MultiplyAssign | DivideAssign | RemainderAssign | AddAssign | SubtractAssign | LeftShiftAssign
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// | SighnedRightShiftAssign | BitwiseANDAssign | BitwiseXORAssign | BitwiseORAssign;
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//Determining Meaning of a Name (Section 6.5)
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expressionName:
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name;
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|ambiguousName Dot name;
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// //Determining Meaning of a Name (Section 6.5)
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// expressionName:
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// name;
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// |ambiguousName Dot name;
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