短語詞組短語attributed abstract syntax tree 抽象語法樹Abstract Syntax Tree AST 稱爲(wèi)c abstract syntax tree c 抽象語法樹GCC abstract syntax tree GCC 抽象語法樹canonical abstract syntax tree 槼範(fàn)抽象語法樹Abstract Syntax Tree -AST Transformations 抽象語法樹轉(zhuǎn)換 返回 abstract syntax tree