Here are the data structures with brief descriptions:

[detail level 12]

CArg_
CArray_Sub_	Array_subscript
CAstGetter_
CAstString
CCapture
CClass_Def_
CComment
CEnum_Def_
CEnumValue
▼CExp
Cexp_data
CExp_Array	Array expression
CExp_Binary
CExp_Call_
CExp_Cast
CExp_Decl
CExp_Dot	Dot expression
CExp_If
CExp_Lambda	Lambda expression
CExp_Named
CExp_Postfix
▼CExp_Primary
Cprim_data
CExp_Slice	Slice
CExp_Unary
CExtend_Def_
CFptr_Def_
CFunc_Base_
▼CFunc_Def_
Cfunc_def_data
Cgwint
CHandler_
Cloc_t_
CMacro_
CMacroArg_
CMatch
CParserHandler
Cpos_t
CPP_
CPPArg_
CPPState_
CPrim_Def_
CRange_	Range
CScanner_
▼CSection_
Csection_data
CSpecialized
CSpread_Def_
▼CStmt
Cstmt_data
CStmt_Code_
CStmt_Defer_
CStmt_Each_
CStmt_Exp_
CStmt_Flow_
CStmt_For_
CStmt_If_
CStmt_Import_
CStmt_Index_
CStmt_Loop_
CStmt_PP_
CStmt_Try_
CStmt_Using_
CTag
CTmpl_
CTmplArg
CTrait_Def_
CType_Decl_
CType_Def_
CUnaryNew
CUnion_Def_
CUpvalues
CVar_Decl_
CVariable_	Variable declaration
Cyyint	Gwint with a larger int type for parsing