更新时间:2022-12-18 11:17:02
clang仍然具有该功能:
clang still has that functionality:
命令 -ast-dump
和 -ast-dump-xml
注意: -ast-dump-xml
只能在调试模式下构建clang时使用。
Note: -ast-dump-xml
will only work when you build clang in debug mode.
http://clang.llvm.org/docs/IntroductionToTheClangAST.html
例如:
## cat test.cpp
int main()
{
return 0;
}
##clang++ -cc1 -ast-dump-xml test.cpp
<TranslationUnit ptr="0x4e42660">
<Typedef ptr="0x4e42bd0" name="__builtin_va_list" typeptr="0x0">
<PointerType ptr="0x4e42b90" canonical="0x4e42b90">
<BuiltinType ptr="0x4e426f0" canonical="0x4e426f0"/>
</PointerType>
</Typedef>
<Function ptr="0x4e42c70" name="main" returnzero="true" prototype="true">
<FunctionProtoType ptr="0x4e42c20" canonical="0x4e42c20">
<BuiltinType ptr="0x4e42750" canonical="0x4e42750"/>
<parameters/>
</FunctionProtoType>
<Stmt>
CompoundStmt 0x4e42d78 <test.cpp:2:1, line:4:1>
`-ReturnStmt 0x4e42d58 <line:3:1, col:8>
`-IntegerLiteral 0x4e42d38 <col:8> 'int' 0
</Stmt>
</Function>
</TranslationUnit>