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FScript Grammar v0.3


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program -> declaration-list


declaration-list -> declaration-list declaration | declaration


declaration -> package-declaration-list ; | class-declaration-list ; | main-function-declaration


package-declaration-list -> package-declaration-list package-declaration | package-declaration


package-declaration -> package-id-list


package-id-list -> package-id-list :: ID | ID


class-declaration-list -> class-declaration-list; class-declaration | class-declaration


class-declaration -> { class-body-declaration }


class-body-declaration -> class-member-declaration-list constructor-declaration-list


class-member-declaration-list -> field-declaration-list ;| method-declaration-list | class-declaration-list ; | null


field-declaration-list -> field-declaration-list ; field-declaration | field-declaration


field-declaration -> modifier-list varivable varivable-list ; | varivable varivable-list;


modifier-list -> modifier-list modifier | modifier


modifier -> friend | public | private | protected | virtual | static | extern


varivable-list -> varivable-declaration, varivable-list | varivable-declaration


varivable-declaration -> ID | ID = expression


method-declaration-list -> method-declaration-list method-declaration | method-declaration


method-declaration -> modifier function ID function-arg-list compound-statement | function ID (function-arg-list ) compound-statement


constructor-declaration-list -> constructor-declaration-list ; constructor-declaration | constructor-declaratoin


constructor-declaration -> ID (function-arg-list) compound-statement


main-function-declaration -> function main( main-function-arg-list ) compound-statment


main-function-arg-list -> ID , ID


compound-statement -> { statment-list }


statement-list -> statement-list statement | statement


statetment -> compound-statement


		| if ( expression ) statement


		| if ( expression ) statement else statement


		| while ( expression ) statement


		| for ( expression[opt] ; expression[opt] ; expression[opt] ) statement


		| expression ? expression : expression ;


		| switch ( expression ) { case-statement }


		| break ;


		| continue ;


		| return expression[opt] ;


		| variable variable-list ;


		| function ID function-arg-list compound-statement


		| expression ;


		| ;


case-statement -> label-statement statement


label-statement -> case expression: | default:


expression -> unary-expression | binary-expression infix-operator unary-expression


unary-expression -> postfix-expression | unary-operator postfix-expression


postfix-expression -> primary-expression


		| postfix-expression [ expression ]


		| postfix-expression ( function-arg-lis )


		| postfix-expression infix-operator expression


		| postfix-expression postfix-operator


binary-expression -> unary-expression infix-operator binary-expression | unary-expression


primary-expression -> ID


		| ( expression )


		| ()


		| [ expression ]


		| -> expression


		| :: expression


		| this


		| literal


prefix-operator -> ++


		|--


		| !


		| ^


infix-operator -> ||


		| &&


		| ==


		| !=


		| <=


		| >=


		| +=


		| -=


		| /=


		| %=


		| |=


		| ^=


		| |


		| ^


		| &


		| <


		| >


		| +


		| -


		| *


		| /


		| %


postfix-operator -> ++ | --


literal -> integer-literal


		| floating-literal


		| character-literal


		| string-literal


		| boolean-literal


		| null-literal