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----------------------------------------------------------------------------

-- lambda calculus

%decl lambda.h

%token LPAREN

%token RPAREN

%token ID

%token FUN

%token DOT

%nonassoc SHIFT_THERE

%nonassoc LPAREN RPAREN ID FUN DOT

%nonassoc REDUCE_HERE

%start Expr

/:

enum {

:/

Expr ::= ID %prec SHIFT_THERE ;

/:  Symbol = $rule_number,

:/

Expr ::= LPAREN Expr RPAREN %prec SHIFT_THERE  ;

/:  SubExpression = $rule_number,

:/

Expr ::= Expr Expr %prec REDUCE_HERE ;

/:  Appl = $rule_number,

:/

Expr ::= FUN ID DOT Expr %prec SHIFT_THERE ;

/:  Abstr = $rule_number,

:/

/:};

:/