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mie: trait: add function callback to perform trait-specific validation on an object

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This commit is contained in:
max 🍓
2026-01-08 22:26:32 +00:00
parent e76e7c17db
commit c6be143925
2 changed files with 49 additions and 5 deletions
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32
mie/include/mie/macros.h
View File

@@ -43,6 +43,20 @@
return type; \
}
#define __MIE_TRAIT_DEFINITION_BEGIN(func_prefix, trait_name) \
struct mie_trait_definition *func_prefix##_trait_create( \
struct mie_dialect *d, struct mie_ctx *ctx) \
{ \
struct mie_trait_definition *trait \
= mie_trait_definition_create(d, trait_name); \
if (!trait) { \
return NULL; \
}
#define __MIE_TRAIT_DEFINITION_END() \
return trait; \
}
#define __MIE_DIALECT_ADD_OP(op_id) \
extern struct mie_op_definition *op_id##_op_create( \
struct mie_dialect *, struct mie_ctx *); \
@@ -51,11 +65,16 @@
extern struct mie_type_definition *type_id##_type_create( \
struct mie_dialect *, struct mie_ctx *); \
type = type_id##_type_create(self, ctx)
#define __MIE_DIALECT_ADD_TRAIT(trait_id) \
extern struct mie_trait_definition *type_id##_trait_create( \
struct mie_dialect *, struct mie_ctx *); \
type = type_id##_trait_create(self, ctx)
#define MIE_DIALECT_BEGIN(c_sym, name) __MIE_DIALECT_BEGIN(c_sym, name)
#define MIE_DIALECT_END() __MIE_DIALECT_END()
#define MIE_DIALECT_ADD_OP(c_sym) __MIE_DIALECT_ADD_OP(c_sym)
#define MIE_DIALECT_ADD_TYPE(c_sym) __MIE_DIALECT_ADD_TYPE(c_sym)
#define MIE_DIALECT_ADD_TRAIT(c_sym) __MIE_DIALECT_ADD_TRAIT(c_sym)
#define MIE_OP_DEFINITION_BEGIN(c_sym, op) __MIE_OP_DEFINITION_BEGIN(c_sym, op)
#define MIE_OP_DEFINITION_END() __MIE_OP_DEFINITION_END()
@@ -75,10 +94,13 @@
#define MIE_TYPE_DEFINITION_INIT(func) type->ty_init = (func)
#define MIE_TYPE_DEFINITION_CLEANUP(func) type->ty_cleanup = (func)
#define MIE_DIALECT_TRAIT_BEGIN(c_sym, trait)
#define MIE_DIALECT_TRAIT_END()
#define MIE_DIALECT_TRAIT_STRUCT(name)
#define MIE_DIALECT_TRAIT_PRINT(func)
#define MIE_DIALECT_TRAIT_CLEANUP(func)
#define MIE_TRAIT_DEFINITION_BEGIN(c_sym, trait) \
__MIE_TRAIT_DEFINITION_BEGIN(c_sym, trait)
#define MIE_TRAIT_DEFINITION_END() __MIE_TRAIT_DEFINITION_END()
#define MIE_TRAIT_DEFINITION_STRUCT(name) trait->tr_data_size = sizeof(name)
#define MIE_TRAIT_DEFINITION_PRINT(func) trait->tr_print = (func)
#define MIE_TRAIT_DEFINITION_BUILD_ID(func) trait->tr_build_id = (func)
#define MIE_TRAIT_DEFINITION_CLEANUP(func) trait->tr_cleanup(func)
#define MIE_TRAIT_DEFINITION_VALIDATE(func) trait->tr_validate(func)
#endif

22
mie/include/mie/trait/trait.h
View File

@@ -13,12 +13,29 @@ enum mie_trait_flags {
MIE_TRAIT_F_PARAMETISED = 0x02u,
};
/* describe exactly which objects a trait can be applied to */
enum mie_trait_target_type {
MIE_TRAIT_TARGET_NONE = 0x00u,
MIE_TRAIT_TARGET_OP = 0x01u,
MIE_TRAIT_TARGET_TYPE = 0x02u,
};
struct mie_trait_target {
enum mie_trait_target_type target_type;
union {
const struct mie_type *ptr_type;
const struct mie_op *ptr_op;
} target_ptr;
};
/* used to define a trait */
struct mie_trait_definition {
/* ID for the generic trait */
mie_id tr_id;
char *tr_name;
enum mie_trait_flags tr_flags;
/* compatible target bitmask */
enum mie_trait_target_type tr_target;
/* the size of any corresponding struct mie_trait instances */
size_t tr_data_size;
@@ -29,6 +46,11 @@ struct mie_trait_definition {
enum mie_status (*tr_print)(
const struct mie_trait_definition *, const struct mie_trait *,
b_stream *);
enum mie_status (*tr_cleanup)(
const struct mie_trait_definition *, struct mie_trait *);
enum mie_status (*tr_validate)(
const struct mie_trait_definition *, const struct mie_trait *,
const struct mie_trait_target *);
};
/* used to link an op/type/etc to a trait. if the trait is parametised, this