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patch 9.0.1178: a child class cannot override functions from a base class

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Problem:    A child class cannot override functions from a base class.
Solution:   Allow overriding and implement "super".
This commit is contained in:
Bram Moolenaar
2023-01-11 15:59:05 +00:00
parent ad15a39fdb
commit 58b40092e6
8 changed files with 136 additions and 16 deletions
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7
src/structs.h
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@@ -1465,6 +1465,7 @@ typedef struct {
#define TTFLAG_NUMBER_OK 0x04 // tt_type is VAR_FLOAT, VAR_NUMBER is OK
#define TTFLAG_STATIC 0x08 // one of the static types, e.g. t_any
#define TTFLAG_CONST 0x10 // cannot be changed
#define TTFLAG_SUPER 0x20 // object from "super".
typedef enum {
ACCESS_PRIVATE, // read/write only inside th class
@@ -1506,7 +1507,8 @@ struct class_S
typval_T *class_members_tv; // allocated array of class member vals
// class functions: "static def SomeMethod()"
int class_class_function_count;
int class_class_function_count; // total count
int class_class_function_count_child; // count without "extends"
ufunc_T **class_class_functions; // allocated
// object members: "this.varname"
@@ -1514,7 +1516,8 @@ struct class_S
ocmember_T *class_obj_members; // allocated
// object methods: "def SomeMethod()"
int class_obj_method_count;
int class_obj_method_count; // total count
int class_obj_method_count_child; // count without "extends"
ufunc_T **class_obj_methods; // allocated
garray_T class_type_list; // used for type pointers