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令牌先行選項已在ANTLR 4時如何刪除「K」選項,所以...... 這是ANTLR 3碼:轉換ANTLR 3語法ANTLR 4
declarations: // Order is important here.
(options { k = 3; }: DECLARE_SYMBOL identifier (variable_declaration | condition_declaration))*
cursor_declaration* handler_declaration*
;