src/GF/JavaScript/JS.cf


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entrypoints Program;

Program. Program ::= [Element];

FunDef.  Element ::= "function" Ident "(" [Ident] ")" "{" [Stmt] "}" ;
ElStmt.  Element ::= Stmt;
separator Element "" ;

separator Ident "," ;

Compound.   Stmt ::= "{" [Stmt] "}" ;
ReturnVoid. Stmt ::= "return" ";" ;
Return.     Stmt ::= "return" Expr ";" ;
separator Stmt "" ;

ENew.    Expr14 ::= "new" Ident "(" [Expr] ")" ;

EMember. Expr15 ::= Expr15 "." Expr16 ;
EIndex.  Expr15 ::= Expr15 "[" Expr "]" ;
ECall.   Expr15 ::= Expr15 "(" [Expr] ")" ;

EVar.    Expr16 ::= Ident ;
EInt.    Expr16 ::= Integer ;
EDbl.    Expr16 ::= Double ;
EStr.    Expr16 ::= String ;
ETrue.   Expr16 ::= "true" ;
EFalse.  Expr16 ::= "false" ;
ENull.   Expr16 ::= "null" ;
EThis.   Expr16 ::= "this" ;

separator Expr "," ;
coercions Expr 16 ;