VarsAndStatements: %empty {$$=insereNo(NULL,"NULL");}
		|		   VarsAndStatements SEMICOLON {$$=$1;}
		|		   VarsAndStatements VarDeclaration SEMICOLON {$$=$1;insereNoIrmao($1,$2);}
		|		   VarsAndStatements Statement SEMICOLON {$$=$1; insereNoIrmao($1,$2);}
;


Statement: ID ASSIGN Expr {$$=insereNo(NULL, "Assign"); $$->filho = insereNo($1, "Id"); insereNoIrmao($$->filho, $3); }
		|  LBRACE StatementAux RBRACE {$$=$2;}
		|  IF Expr LBRACE StatementAux RBRACE {$$=insereNo(NULL, "If"); $$->filho=$3;}
		|  IF Expr LBRACE StatementAux RBRACE ELSE LBRACE StatementAux RBRACE {$$=insereNo(NULL, "If"); $$->filho=$3;}
		|  FOR LBRACE StatementAux RBRACE	 {$$=insereNo(NULL, "For"); $$->filho=$3;}	/*cock block*/
		|  FOR Expr LBRACE StatementAux RBRACE	 {$$=insereNo(NULL, "For"); $$->filho = $2;}
		|  RETURN 		 {$$=insereNo(NULL, "Return");}
		|  RETURN Expr	 {$$=insereNo(NULL, "Return"); $$->filho = $2;}
		|  FuncInvocation  {$$=insereNo(NULL, "Call"); $$->filho=$1;}
		|  ParseArgs             {$$=insereNo(NULL, "ParseArgs"); $$->filho = $1;}
		|  PRINT LPAR Expr RPAR		 {$$=insereNo(NULL, "Print"); $$->filho = $3;}
		|  PRINT LPAR STRLIT RPAR	 {$$=insereNo(NULL, "Print"); $$->filho=insereNo($3, "StrLit");}
		|  error  {$$=insereNo(NULL, "NULL");}
	;

StatementAux: %empty  {$$=insereNo(NULL, "NULL");}
		|	  Statement SEMICOLON StatementAux {$$=$1; /*insereNoIrmao($$, $3);*/}
	;

ParseArgs: ID COMMA BLANKID ASSIGN PARSEINT LPAR CMDARGS LSQ Expr RSQ RPAR {$$=insereNo($1, "Id"); insereNoIrmao($$, $9);}
		|  ID COMMA BLANKID ASSIGN PARSEINT LPAR error RPAR {$$=insereNo(NULL, "NULL");}
	;

FuncInvocation:
			 ID LPAR RPAR {$$=insereNo(NULL, "Id");}
		|    ID LPAR Expr FuncInvocationAux RPAR {$$=insereNo(NULL, "Id"); insereNoIrmao($$,$3); insereNoIrmao($3, $4);}
		|    ID LPAR error RPAR {$$=insereNo(NULL, "NULL");}
	;

FuncInvocationAux: %empty {$$=insereNo(NULL, "NULL");}
		| 		   COMMA Expr FuncInvocationAux {$$=$2; insereNoIrmao($$, $3);}
	;